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Sharp GX15 Service Manual
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Sharp GX15 Service Manual

Digital mobile phone
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Download this manual See also: User Manual
[1]
Specifications ................................................ 1-1
[2]
Names of parts .............................................. 1-2
[3]
Operation manual.......................................... 1-3
[1]
[2]
Test points ................................................... 2-42
[3]
Troubleshooting........................................... 2-44
CHAPTER 3. DISASSEMBLY AND REASSEMBLY
[1]
Servicing Concerns ....................................... 3-1
[2]
Disassembly and reassembly........................ 3-3
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set.
SHARP CORPORATION
CONFIDENTIAL
SERVICE MANUAL
(INTERNAL MODEL NAME:
TQ-GX5E/G/R/T/S/H/EP/PP/W/B/D/A/Z/Q/L/F/U/GP)
E :
For U.K.
For Ireland
R :
For Spain
S :
EP:
For U.K. (Prepaid)
For Sweden
W :
For Greece
D :
Z :
For New Zealand
For Malta
L :
For Belgium
U :
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified
should be used.
• Caution
Risk of explosion if battery is replaced by an incorrect type,
dispose of used batteries according to the instruction.
CONTENTS
[1]
Block diagram ........................................ . ....... 4-1
CHAPTER 5. SCHEMATIC DIAGRAM AND
[1]
Notes on schematic diagram ................. . ....... 5-1
[2]
Types of transistor and LED .................. . ....... 5-1
[3]
Waveforms of circuit .............................. . ....... 5-2
[4]
P.W.Board .............................................. . ....... 5-4
[1]
Function table of IC................................ . ....... 6-1
[2]
Function table of Camera ...................... . ..... 6-21
[3]
Function table of Display ....................... . ..... 6-22
No. S5408TQGX5E//
DIGITAL MOBILE PHONE
MODEL
G :
For Germany
T :
For Italy
H :
For Netherlands
PP:
For Portugal (Prepaid)
B :
For Hungary
A :
For Australia
Q :
For Egypt
F :
For France
GP:
For Germany (Prepaid)
WIRING SIDE OF P.W.BOARD
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
GX15
GX15

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Summary of Contents for Sharp GX15

  • Page 1: Table Of Contents

    Waveforms of circuit ........5-2 PERFORMANCE CHECK, Schematic diagram/Wiring side of AND FIRMWARE UPGRADE P.W.Board ............5-4 SHARP Programme Support Tool (SPST)..2-1 Test points ........... 2-42 CHAPTER 6. OTHERS Troubleshooting........... 2-44 Function table of IC........6-1 Function table of Camera ......

  • Page 2: Servicing Concerns

    Market SERVICING CONCERNS 1. When requested, back up user’s handset data using SPST (SHARP Programme Support Tool). Otherwise, before servicing, warn the user that data in the memory may be lost during repairs. 2. Upgrade the firmware to the latest version using SPST before returning the handset to the customer.
  • Page 3 CONFIDENTIAL GX15 PRECAUTIONS FOR USING LEAD-FREE SOLDER Employing lead-free solder Lead-free solder is used for this model. This is indicated by the “LF” symbol printed on the PWB and in the service manual. The suffix letter indicates the alloy type of the solder.

  • Page 4: Chapter 1. General Description

    The Bluetooth word mark and logos are owned by the trademarks of Aplix Corporation in Japan Bluetooth SIG, Inc. and any use of such marks by Sharp is and other countries. under license. Other trademarks and trade names are those of their respective owners.

  • Page 5: Names Of Parts

    CONFIDENTIAL GX15 [2] Names of parts 1. Earpiece 12.# Key: Switches symbol screens. Press and hold this key on 2. Navigation Keys (Arrow Keys): the text entry screen to shift Moves cursor to select text input method between menu items, etc.

  • Page 6: Operation Manual

    GX15 CONFIDENTIAL [3] Operation manual (Page numbers refer to the user guide) [Optional Accessories] Li-ion Spare battery (XN-1BT30) Cigarette lighter charger (XN-1CL30) USB data cable (XN-1DC30) AC charger (XN-1QC30, XN-1QC31, XN-1QC32) Personal handsfree kit (XN-1ER20) The above accessories may not be available in all regions.
  • Page 7 CONFIDENTIAL GX15 1 – 4...
  • Page 8 GX15 CONFIDENTIAL 1 – 5...

  • Page 9: Chapter 2. Adjustments, Performance Check, And Firmware Upgrade

    1. Use Windows Explorer to execute the “setup.exe” file on the CD-ROM. 2. The SPST GX15 setup wizard appears. Follow the installation instructions. 3. After the installation is complete, shortcuts to SPST are created on the desktop and under the “Start” — “Programs” — “GX15” menu. Start SPST from the shortcuts.
  • Page 10 CONFIDENTIAL 2.3. Starting up Connect GX15 to an operable serial port of the PC with the supplied data cable. Make sure that the battery is fully charged. Start SPST from the desktop. 1. The Input password dialogue box appears. Enter the password, select “GX15” from Port list box (a connected port is automatically detected), and click “OK”.

  • Page 11: Attachment

    CONFIDENTIAL GX15 5. When the password is correct, a connection is established and the following screen appears. Refer to the attachment 1 for the destination and operator name. Software version: A02-007-0119-GX15 Figure 4 Buttons Default Set Refer to “4.1. Default setting”. (see page 2-5) User Data Back-up Refer to “4.2.
  • Page 12 GX15 CONFIDENTIAL 3. Adjustments for GX15 1. Adjustments are required after replacing the following parts. ( Parts Temperature Temperature Display flicker White defect Black defect adjustment adjustment adjustment correction correction (Camera) (Battery) TH102 Display unit Camera unit When replacing other parts in the RF section, carry out RF calibration.
  • Page 13 CONFIDENTIAL GX15 4. Functions 4.1. Default setting SPST can restore the factory settings. This function 1. Deletes all user data in the file system; 2. Restores all WAP settings to default; and 3. Restores the values set by the user to default.
  • Page 14 GX15 CONFIDENTIAL 6) After the handset (phone) is turned on, the initialisation is complete. Figure 11 4.2. User data back-up SPST saves all the data stored on the handset (phone). 1. Set the COM port on the SPST initial screen and click “User Data Backup”.
  • Page 15 CONFIDENTIAL GX15 4.3. User data restore SPST completely restores the backed up data. 1. Set the COM port on the SPST initial screen and click “User Data Restore”. 2. Specify the file name in the following dialogue box and click “Save”.
  • Page 16 USB data cable Figure 20 * The USB download cable consists of the GX15 USB download AC charger cable and a USB data cable. * A USB data cable is not the existing download cable. * The USB download cable is exclusively for download, not for any other purpose.
  • Page 17 * Whilst using a USB hub for download, do not use the remaining ports for other devices. Download may fail. 4.4.2 Installation of the device driver Install the device driver (SHARP The Upgrading Tool USB Device Ver 0.90.0) on your PC. 1. Connect a PC and GX15 handset (phone) with the USB download cable.
  • Page 18 GX15 CONFIDENTIAL Press "Continue Anyway" button. Figure 23 Screen during installation. Figure 24 Press "Finish" button. Figure 25 Screen after installation * Install the device driver for all handsets (phones) connected to the PC (including those via a USB hub).
  • Page 19 1) Application startup and screen descriptions The icon below is created on your desktop after installation. Double-click it to start the Upgrading tool. You can also start the application by selecting “The GX15 UpgradingTool” from the Start menu. Figure 26 The download setup screen appears after starting the application.
  • Page 20 GX15 CONFIDENTIAL 2) Download <<Make sure the following before starting download>> • The handset (phone) battery is removed. • The device driver is installed on your PC. • Handset (Phone) is connected to a PC with the USB download cable.
  • Page 21 CONFIDENTIAL GX15 2). 2 Selecting download file. Select a file to download. Press “Select File” button in “2. Select Load File”. The file selection screen appears. Select a file to download and press “Open” button. When you select a file, the file name appears in the text box. Proceed to “3. Select Load Area” becomes setting.
  • Page 22 GX15 CONFIDENTIAL 2). 4 Starting download Remove the handset (phone) battery before starting download. • “Start Loading Flash” button is disabled when handset (phone) is not connected to a PC. Connect the PC and handset (phone) with the USB download cable.
  • Page 23 CONFIDENTIAL GX15 Download progress is shown on the PC and handset (phone). Flash Loader V4.50 Port No.01 Now loading Display on handset (phone) Display on PC (Port No. 1) Figure 33 Screen during download << Aborting download>> Press “Quit” button on the PC screen to stop download.
  • Page 24 GX15 CONFIDENTIAL 2). 5 Completing download Press “OK” button before disconnecting the handset (phone). When download is successfully completed, “O” appears as shown below. In the screen shot, downloaded data are written to the handset (phone) correctly. Flash Loader V4.50 Port No.01...
  • Page 25 4. Connect the USB download cables to handsets (phones). * Make sure handset (phone) batteries are removed. 5. Install the device driver (SHARP The Upgrading Tool USB Device Ver 0.90.0). (For Windows 2000, the driver is automatically installed.) 6. On the download setup screen, port numbers become selectable for recognised handsets (phones).
  • Page 26 Check that the USB download cable is correctly connected to PC and handset (phone). The file you selected is unsuitable for Upgrading. The file is not downloadable. Select a GX15 MOT file. Download Error !! - Close running resident programmes. - Close all other running applications.
  • Page 27 CONFIDENTIAL GX15 4.5. RF calibration & check RF cable Stabilised power supply Handset GSM tester (phone) Test battery GPIB cable Data cable Figure 39 4.5.1 Preparation • Connect PC and GSM tester with a GPIB cable. • Connect PC and handset (phone) with a data cable. (Use a test battery or similar.) •...
  • Page 28 GX15 CONFIDENTIAL 4.5.2 Default setting for the programme. • Activate the programme and set defaults. 1) A connected COM port appears. 2) Set the GPIB No. 3) Select the test instrument. 4) Set the GPIB address. 5) Set the "Cable Offset" values.
  • Page 29 CONFIDENTIAL GX15 4. Make sure the voltage is set properly and press “OK”. (Calibration starts.) Figure 42 5. Click “OK”. Figure 43 6. The initial screen returns. 4.5.4 RF performance check 1. Apply 4 V using a stabilised power supply and turn on the handset (phone).
  • Page 30 GX15 CONFIDENTIAL 6. Make sure the voltage is set properly and press “OK”. Figure 47 7. RF performance check is complete. Click “Save As...” and name the file to save the result. Click “OK” to exit. Figure 48 The following will be displayed in case of failure.
  • Page 31 CONFIDENTIAL GX15 8. Click “OK”. Figure 50 9. The initial screen returns. Note: The RF calibration tool allows the calibration but not the check when the terminal fails to catch signals from the GSM tester (unable to access a net- work with “no service”...
  • Page 32 GX15 CONFIDENTIAL Attachment 2 Band Send- Item to be inspected Chan- Whole inspection list by RF performance check. ing/ Recei Band Send- Item to be inspected Chan- ing/ Mod_spectrum +250 37CH PCL19 Recei Mod_spectrum +400 37CH PCL19 Mod_spectrum +600 37CH...
  • Page 33 CONFIDENTIAL GX15 Band Send- Item to be inspected Chan- Band Send- Item to be inspected Chan- ing/ ing/ Recei Recei Phase Error (RMS) 699CH PCL0 Switch_Spectrum +1200 699CH PCL0 Phase Error (RMS) 512CH PCL0 Switch_Spectrum +1800 699CH PCL0 Phase Error (RMS)
  • Page 34 GX15 CONFIDENTIAL Band Send- Item to be inspected Chan- Band Send- Item to be inspected Chan- ing/ ing/ Recei Recei Mod_spectrum –200 661CH PCL0 Switch_Spectrum +400 661CH PCL0 Mod_spectrum +200 661CH PCL0 Switch_Spectrum +600 661CH PCL0 Mod_spectrum +250 661CH PCL0...
  • Page 35 GSM tester (CMU200) 4.6.2 Setup 1. Install GX15 USB driver from CD-ROM, if it is not installed. 2. Set PWB and make connections as shown in Figures 51 and 52. Make sure connections are correct at the points shown in Figure 53.
  • Page 36 GX15 CONFIDENTIAL GSM tester Black (CMU 200) PWB repair jig Data cable Figure 52 Connections Points Figure 53 Contact points 2 – 28...
  • Page 37 CONFIDENTIAL GX15 3. Apply 4 V using a stabilised power supply and turn on the handset (phone). Push Figure 54 Turning power on 4. Start RF test tool. 5. Press the “Initialize & Read Data” button. (COM port is automatically selected.) Figure 55 6.
  • Page 38 GX15 CONFIDENTIAL 4.6.3 Tests 1) BAND Select & Channel Select a band and a channel to test. Settings are applied to all tests. Input box Band selection Channel bar Figure 57 [Procedure] 1. Select a band. (GSM, DCS or PCS) 2.
  • Page 39 CONFIDENTIAL GX15 GX15 TX power Table (25°C, voltage: 3.7[V]) GSM Band DCS/PCS Band Tolerance DCS/PCS Tolerance [dBm] [dBm] +/–2 dB +/–2 dB +/–3 dB +/–3 dB +/–3 dB +/–3 dB +/–3 dB +/–3 dB +/–3 dB +/–3 dB +/–3 dB +/–3 dB...
  • Page 40 GX15 CONFIDENTIAL 4) RSSI Measure The handset (phone) notifies you of input power value at the aerial connector. Measured Power box Estimated Power input box (Integer only) Measure button Figure 60 [Procedure] 1. Connect the handset (phone) and GSM tester (or Signal Generator) with RF cable.
  • Page 41 CONFIDENTIAL GX15 4.7. Password reset SPST resets the password [handset (phone) code is set to “0000”]. <Operation> 1) Set the COM port on the SPST initial screen and click “User Password Reset”. Click “Yes” to reset. Click “No” to exit.
  • Page 42 GX15 CONFIDENTIAL 4.8. Performance check and adjustment With this function, SPST checks the performance of the handset (phone) and makes adjustments. <Operation> 1) Set the COM port on the SPST initial screen and click “Performance check and adjustment”. The following dialogue box appears whilst process- ing.
  • Page 43 CONFIDENTIAL GX15 4.8.2 Key back light check The keypad back light turns on and the message appears on the PC. Check the back light and press “OK”. 4.8.3 Battery voltage check Click to display the current battery voltage. • If a failure occurs, see “1. Power does not turn on.” in [3] Troubleshooting.
  • Page 44 GX15 CONFIDENTIAL 4.8.6 Audio test The following appears. Figure 66 Select a test item from Audio device. Check the output sound from the receiver by speaking to the microphone, etc. Click “Back to test menu” to return to the previous screen.
  • Page 45 CONFIDENTIAL GX15 4.8.9 LCD test Check that the specified colour appears on the main display. • If a failure occurs, see “10. The display does not appear on Display.” in [3] Troubleshooting. 4.8.10 Temperature adjustment The following appears. Setting temp. indicates the current temperature. The relative temperature is displayed in the text box below.
  • Page 46 GX15 CONFIDENTIAL 4.8.12 White defect correction * White defect correction: Defective pixels in a camera light sensor appear as bright points in the display even when light is blocked completely (display is all black). Perform white defect correction to eliminate errors in these pixels.
  • Page 47 CONFIDENTIAL GX15 4.8.13 Black defect correction *Black defect correction: Defective pixels in a camera light sensor appear as black points in the display even when a captured image is completely white (display is all white). Perform black defect correction to eliminate errors in these pixels.
  • Page 48 GX15 CONFIDENTIAL 3. Hold the handset (phone) in the proper position. Figure 76 4. Click the “Black defect correction” button. The following message is displayed. Figure 77 5. Click the “Yes” button. Communication starts. Figure 78 6. The result is displayed within a minute as follows.
  • Page 49 Connect GX15 and a PC with a USB cable. Check that GX15 is recognised as a device. If the USB driver for GX15 (SHARP GSM GPRS USB Driver) is not installed on the PC, “Found New Hardware” window appears and “Found New Hardware Wizard”...

  • Page 50: Test Points

    GX15 CONFIDENTIAL [2] Test points MAIN PWB-A ( FRONT SIDE ) TP No. Signal name TP801 VTCXO (2.9V) TP802 VRF (2.9V) TP801 TP802 TP103 TP139 TP122 TP133 TP137 TP117 TP193 TP148 TP106 TP147 TP115 TP153 TP135 TP140 TP196 TP141 TP155...
  • Page 51 CONFIDENTIAL GX15 MAIN PWB-A ( REAR SIDE ) TP No. Signal name TP110 VEXT TP111 VVIB TP112 DGND TP113 VVIB TP119 MIC_INP TP120 AIN2P_C TP145 TP121 RECEIVER_OUT TP142 TP129 USC [6] TP401 TP146 TP142 SPEAKER/RECIVER1 TP144 TP144 SPEAKER/RECIVER2 TP145 SPEAKER/RECIVER1...

  • Page 52: Troubleshooting

    GX15 CONFIDENTIAL [3] Troubleshooting Power dose not turn on. See page 2-44 Voice transmission/recording is impossible. See page 2-46 No voice is heard from the earpiece. See page 2-48 Battery does not charge. See page 2-49 Vibrator does not work.
  • Page 53 CONFIDENTIAL GX15 (From page 2-44) Is 3.6 V or more applied to BATT terminal (TP520)? Battery terminals are defective, connector terminal is dirty, or soldering is improper. Is the voltage 1.2 V or lower on SENSE terminal (TP534)? The battery is defective or set improperly.
  • Page 54 GX15 CONFIDENTIAL 2. Voice transmission/recording is impossible. Phone (Handset) Replace the microphone. The built-in microphone is defective or in a poor contact with Is the problem solved? the PWB. L101, L102, and C101 are defective. Is 1.2 - 2.1 V applied to both ends of C101? Is 1.2 - 2.1 V applied to TP119?
  • Page 55 CONFIDENTIAL GX15 Hands free kit (Headset) Replace the hands free kit. Hands free kit is defective. Is the signal sent? Parts between JK101 pin 3 andTP120 are defective. Is 0.7 - 1.8 V applied to JK101 pin 3? Is 0.7 - 1.8 V applied to TP120? Is 2.4 - 2.6 V applied to TP176?
  • Page 56 GX15 CONFIDENTIAL 3. No voice is heard from the earpiece. Phone (Handset) Do keypad tones and melodies sound? Go to the section “Earpiece (for loud speaker) does not work”. (see page 2-50) Is 0.5 V or more applied to R101 (IC103 pin 9 side)? IC103 is defective.
  • Page 57 CONFIDENTIAL GX15 4. Battery does not charge. Set a battery of 4.0 - 4.2 V. Click the “Performance check adjustment” button on SPST. * For settings and connections for SPST, refer to the “ADJUSTMENTS, PERFORMANCE CHECK, AND FIRMWARE UPGRADE” on page 2-1.
  • Page 58 GX15 CONFIDENTIAL 6. Clock Settings are reset. Is 1.6 V or more applied to TP167 with a battery in the phone? IC103 is defective. The back-up battery holder is installed improperly. Is 1.2 V or more applied to TP167 without a battery in the...
  • Page 59 CONFIDENTIAL GX15 8. Video/Voice Recorder playback is impossible. Earpiece Are keypad tones and ring tones normal? Go to the section “Earpiece (for loud speaker) does not work.” (see page 2-50) In Playback window, does playback start normally and the IC104 or IC106 is defective.
  • Page 60 GX15 CONFIDENTIAL 9. Back Light does not turn on. FS502 is mounted improperly, or the fuse is blown. Is VBAT voltage applied to C530? Is fuse (FS502) in good appearance, mounted properly, and is there conduction? Is IC506 in good appearance and mounted properly? IC506 is defective or mounted improperly.
  • Page 61 CONFIDENTIAL GX15 10. Out of range and incoming/outgoing calls are impossible. [Checkpoints in RF Test Tool] Is transmission possible using RF Test Tool? [Sender] Is frequency signal sent to FL803? Main PWB-A is defective. EGSM900 band ...... IC803 pin 15 DCS1800/PCS1900 bands ..
  • Page 62 GX15 CONFIDENTIAL 11. The display does not appear on Display. Is Display unit fully inserted to CN102? Improperly inserted to the connector. Clean the contact point of CN102 and insert the unit again. The contact point of the connector is dirty.
  • Page 63 CONFIDENTIAL GX15 12. Pictures cannot be taken. Is the camera (CA100) installed in the right direction? Reinsert the camera (CA100). Check that IC603 has not come off. IC603 is mounted improperly. Is there conduction between TP604 and TP606? Are all the pins of SO601 mounted properly? SO601 is mounted improperly.
  • Page 64 GX15 CONFIDENTIAL (From page 2-55) SO601: R611, R612, and R613 are mounted improperly. Are voltages of the following pins within the range 0 to 2.8 V (when camera is on)? 1. pins 11 - 18 2. pins 20 - 22 IC603 is defective.
  • Page 65 CONFIDENTIAL GX15 14. IrDA (Infrared) communication is impossible. Set the distance and angle within the specification for the IrDA Check in IrDA inspection mode. communication. Is 2.8 V supplied from Q104 pin 2? IC106 is defective. Is 2.8 V applied to UN101 pin 6? Q104 is defective or UN101 pin 6 is soldered improperly.
  • Page 66 GX15 CONFIDENTIAL 15. Bluetooth communication is impossible. A connection cannot be established via Bluetooth. Is 3 V supplied from IC403 pin 3? IC403 or C402, C409 is defective. Is IC402 pin 34 (RESET signal) always at “H”? Parts (between IC106 pin 100 and IC401 pin 34) are defec- tive.
  • Page 67 CONFIDENTIAL GX15 – MEMO – 2 – 59...

  • Page 68: Servicing Concerns

    GX15 CONFIDENTIAL Phone GX15 Service Manual Service Manual Market CHAPTER 3. DISASSEMBLY AND REASSEMBLY [1] Servicing Concerns 1. For disassembling 1. Do not remove the board of baseband section by pulling external interface connector not to damage the board. 2. Shield case is attached on shield case holder with no space.
  • Page 69 CONFIDENTIAL GX15 Spacer, Display Standard position Standard position Main PWB-A (Rear Side) Standard position Front Cabinet Standard Assembly position Cushion, Camera Switch (SW520) [Spacer, Display] Sensor, Standard Moisture position (Small) [Cushion, Camera Switch (SW520)] Standard position Standard Key PWB-B position...
  • Page 70 GX15 CONFIDENTIAL [2] Disassembly and reassembly Back Cabinet • To reassemble, reverse the procedure. Assembly (A4) x 4 STEP REMOVAL PROCEDURE FIGURE 1.7 x 5.5 mm Front Cabinet 1.Battery Cover..(A1)x1 Assembly 2.Li-Ion Battery..(A2)x1 3.Hook..... (A3)x4 SLIDE 4.Screw....(A4)x4 5.Hook.....
  • Page 71 CONFIDENTIAL GX15 STEP REMOVAL PROCEDURE FIGURE Key PWB-B 1.Hook..... (D1)x2 Main PWB-A 2.Flat Cable..... (D2)x1 Display 1.Flat Cable..... (E1)x1 Assembly 2.Hook..... (E2)x4 (E1) x 1 Main PWB-A 1.Hook..... (F1)x2 (E2) x 4 (D1) x 1 (D1) x 1 (D2) x 1...

  • Page 72: Chapter 4. Diagrams Block Diagram

    CONFIDENTIAL GX15 GX15 CHAPTER 4. DIAGRAMS [1] Block diagram CLKREQOUT BUILT-IN AERIAL [Main] BTCLK RF I/F AN401 GPIO_3(RTS), GPIO_4(CTS), AERIAL GPIO_33(RXD), GPIO_34(TXD) IC402 TERMINAL GPIO_14(PCM_CLK), GPIO_15(PCM_DATAIN) BC313143 GPO_1 (TXON), GPO_18 (SYNTHEN) GPIO_16(PCM_SYNC), GPIO_17(PCM_DATAOUT) BLUETOOTH MODULE VBAT IC112 GPO_9 (BS3), GPO_11(BS4)
  • Page 73 CONFIDENTIAL GX15 GX15 RX Line [RF] TX Line Control Line BS1 (D) (D): Digital, (A): Analogue BS2 (D) BS3 (D) BS4 (D) PA (A) VBAT (BATT) TP802 TXVCO VOLTAGE Loop GSM900 880.2 to 914.8 MHz VBAT TP801 TCXOEN (D) REGULATOR DCS1800 1710.2 to 1784.8 MHz...

  • Page 74: Power Supply

    GX15 CONFIDENTIAL [Power Supply] USB_VBUS VBAT Flash-Re Writable 3.7V 4.0V/300mA LIGHT2 (VLOAD) IC103 Q505 ON/OFF IC503 AD6537B IC507 CN502 TK73840G ANALOGUE BASEBAND 74VHC1GT EXTERNAL VBATSENSE REGULATOR CONNECTOR (1/2) LOGIC ISENSE CONTROL SIREAL PORT 0.18 ohms Charge Timer GATEDRIVE IC107 VCHG 4.5V...
  • Page 75 CONFIDENTIAL GX15 – MEMO – 4 – 6...

  • Page 76: Notes On Schematic Diagram

    GX15 CONFIDENTIAL Phone GX15 Service Manual Service Manual Market CHAPTER 5. SCHEMATIC DIAGRAM AND WIRING SIDE OF P.W.BOARD [1] Notes on schematic diagram • The voltage of each section is obtained by measuring between the section and chassis using a digital multimeter [handset (phone) out •...

  • Page 77: Waveforms Of Circuit

    CONFIDENTIAL GX15 [3] Waveforms of circuit RF Test Tool RF Test Tool Tx test Rx test GSM900 Band PCS1900 Band C871 C871 (FL803 6Pin) (FL803 6Pin) C870 C870 (FL803 10Pin) (FL803 10Pin) C872 C872 (FL803 12Pin) (FL803 12Pin) R1863 R1863...
  • Page 78 GX15 CONFIDENTIAL 13M-IN (CLKIN) C833 (Stand-by) (IC106 142Pin) 13M-OUT (CLKOUT) R166 (Stand-by) (IC106 84Pin) OSCIN (32 kHz) R174A (Stand-by) (IC106 49Pin) 5 – 3...

  • Page 79: Schematic Diagram/Wiring Side Of P.w.board

    CONFIDENTIAL GX15 [4] Schematic diagram/Wiring side of P.W.Board MAIN PWB-A (1/5) RECEPTION SIGNAL TRANSMISSION SIGNAL VEXT TP401 VBAT VCORE C401 GND VOUT R411 C402 IC403 R118030B REGULATOR C413 C410 C409 0.01 0.01 (CH) C411 C414 0.01 FL401 BLUETOOTH L403 BT_TXD...
  • Page 80 GX15 CONFIDENTIAL GX15 MAIN PWB-A(2/5) C240 47P(CH) Q104 2.93V NSBC143TP RECEPTION SIGNAL VEXT 2.93V 2.91V 0.25V 2.93V VEXT TRANSMISSION SIGNAL 2.78V VEXT SGND 2.78V C196 C244 47P(CH) C167 LEDA C168 IC108 R184 1323B30G L113 VBAT 470K TP113 FERRITE REGULATOR C169...
  • Page 81 GX15 CONFIDENTIAL SW501 SW502 SW520 MAIN PWB-A (3/5) VBAT SIDE SIDE CAMERA UP-KEY DOWN-KEY FS502 L502 0.63A C528 LED501 C530 TP513 22µH 0.22 ECW008B2 CN504 R532 (GND) KEYPADROW[0] KEYPADCOL[2} Vout KEYPADROW[1] R549 LED502 KEYPADCOL[0] 470K KEYPADROW[2] ECW008B2 KEYPADROW[4] CTRL KEYPADROW[3]...
  • Page 82 CONFIDENTIAL GX15 MAIN PWB-A (4/5) Battery 2.8V VCAM_2R8V VBAT C602 C605 TP601 IC602 TK11128C REGULATOR CAMON1 C604 R601 0.01 470K CAMON2 R603 Battery VBAT 470K IC601 XC621918 C601 REGULATOR VOUT C606 1.8V VCAM_1R8V TP607 2.93V VEXT R606 R605 R604 C608...
  • Page 83 GX15 CONFIDENTIAL GX15 MAIN PWB-A (5/5) RECEPTION SIGNAL TRANSMISSION SIGNAL 5-5 (1-E) FL823 FERRITE BATT BEADS BATT 5-7 (3-C) C867 C860 TCXOEN 47P(CH) 33/6.3V 5-5 (1-D) VOUT1 C806 C807 C801 VOUT2 0.01 VBAT R810 TXOUT_DCS/PCS PowerAmp 5-7 (2-D) IC804 DCS/PCSIN...
  • Page 84 GX15 CONFIDENTIAL MAIN PWB-A (FRONT SIDE) UN101 INFRARED PORT LED501 LED502 LED503 TP801 TP802 TP103 R164 TP104 TP105 TP139 TP107 R165 TP122 TP133 TP193 TP108 TP137 TP109 R181 TP148 R186 TP118 TP147 TP117 TP125 R180 TP115 TP106 TP149 IC104 C137...
  • Page 85 CONFIDENTIAL GX15 MAIN PWB-A (REAR SIDE) AN401 AERIAL TERMINAL ANT801 AERIAL EP100 L833 TERMINAL EARPIECE CN401 C886 FL401 TEST C883 CONNECTOR R831 C413 TP145 TP142 IC402 TP401 TP144 C402 TP146 C410 C411 C409 CA100 IC403 MO100 CAMERA C109 C110 BUILT-IN AERIAL...
  • Page 86 GX15 CONFIDENTIAL KEY PWB-B KEYPADCOL[0] KEYPADCOL[1] KEYPADCOL[2] KEYPADCOL[3] KEYPADCOL[4] Ghost KEYPADROW[0] CENTRE SIDE UP SIDE DOWN KEYPADROW[1] RIGHT RIGHT SOFT KEYPADROW[2] CAMERA KEYPADROW[3] DOWN SEND KEYPADROW[4] LEFT LEFT SOFT END/POWER CN701 (GND) KEYPADCOL[2] KEYPADROW[0] KEYPADCOL[0] CENTRE KEYPADROW[4] KEYPADROW[1] KEYPADCOL[1] KEYPADROW[1]...
  • Page 87 CONFIDENTIAL GX15 KEY PWB-B (FRONT SIDE) LEFT RIGHT SOFT SOFT CENTRE END/ SEND POWER R701 R702 KEY PWB-B (REAR SIDE) RELAY FPC PWB-C 5-11 (2-G) CN504 Figure 9 WIRING SIDE P.W.BOARD (3/3) 5 – 14...
  • Page 88 GX15 CONFIDENTIAL Conditions: SIM card inserted, power on (3.7V battery), in stand-by mode (opened) Measuring instrument: Digital multimeter : Unmeasurable IC804 IC101 IC107 IC501 IC602 PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE 2.96V...

  • Page 89: Chapter 6. Others

    CONFIDENTIAL GX15 Phone GX15 Service Manual Service Manual Market CHAPTER 6. OTHERS [1] Function table of IC IC101 VHIYMU762C+-1L (YMU762C): SOUND Pin No. Terminal name Input/Output Description of terminal CLKI Input Clock input terminal LED (NC) Output External LED control terminal (Not used)
  • Page 90 GX15 CONFIDENTIAL IC102 VHIQ5RW45BF-1L (Q5RW45B): 4.5 V REGULATOR Pin No. Terminal name Input/Output Description of terminal – Earth – Power supply VOUT Output Output Input Chip enable VOUT VREF CURRENT LIMIT IC103 (AD6537B): ANALOGUE BASEBAND Pin No. Terminal name Input/Output...
  • Page 91 CONFIDENTIAL GX15 Pin No. Terminal name Input/Output Description of terminal VVCXO Output Voltage controlled crystal oscillator supply 2.71 - 2.79 V (VT) ASDI Input Audio serial port data input BSDO Output Baseband serial port data output NC_E15 – Not used NC_E16 –...
  • Page 92 GX15 CONFIDENTIAL Pin No. Terminal name Input/Output Description of terminal SGND – AOUT2P/N supply earth AOUT2N Output Speaker with receiver positive output SPWR Input AOUT2P/N supply regulator input AOUT2P Output Speaker with receiver negative output 108* NC_T12 – Not used...
  • Page 93 CONFIDENTIAL GX15 IC104 (LRS18641): FLASH MEMORY Pin No. Terminal name Input/Output Description of terminal – Not used – Not used Input Address input (common) Input Address input (common) Input Address input (common) Input Address input (common) Input Address input (common)
  • Page 94 GX15 CONFIDENTIAL Pin No. Terminal name Input/Output Description of terminal Input Address input (common) Input Address input (common) Input Address input (common) Input Address input (common) SC-/CE1 Input Chip enable input (Smartcombo RAM) – Not used – Not used –...
  • Page 95 CONFIDENTIAL GX15 IC105 VHINL17SZ08-1L (NL17SZ08): LOGIC IC507 VHI74VHC1GT-1L (74VHC1GT): LOGIC Pin No. Terminal name Input/Output Description of terminal IN B Input Input IN A Input Input – Earth OUT Y Output Output – Power supply IN B IN A OUT Y IC106 (AD6528B): DIGITAL BASEBAND Pin No.
  • Page 96 GX15 CONFIDENTIAL Pin No. Terminal name Input/Output Description of terminal CSDO Output Control serial port data output to analogue BB CLKOUT_GATE Input Master clock enable from analogue BB (MCLKEN) GPO_1 Output Analogue baseband transmit section control (TXON) OSCIN Input 32.768 kHz crystal oscillator input...
  • Page 97 CONFIDENTIAL GX15 Pin No. Terminal name Input/Output Description of terminal VEXT Input System interface power supply 2.4 - 3.3 V (VINT) – Earth GPIO_4 Output UART_CTS for Bluetooth module GPIO_2 Output USB charge current control GPIO_3 Input UART_RTS for Bluetooth module...
  • Page 98 GX15 CONFIDENTIAL Pin No. Terminal name Input/Output Description of terminal 174* GPIO_45 Output Chip select for SRAM (Not used) GPIO_46 Output Chip select for sound generator IC DPLUS Input USB D+ SIMCLK Output SIM interface clock output JTAGEN Input JTAG enable...
  • Page 99 CONFIDENTIAL GX15 IC108 VHI1323B30G-1R (1323B30G): REGULATOR Pin No. Terminal name Input/Output Description of terminal VOUT Output Voltage output – Earth ON/OFF Input Power off Input Voltage input VOUT Overcurrent protection circuit ON/OFF ON/OFF circuit Reference voltage circuit IC109 VHIR11630FB-1L (R11630FB): REGULATOR Pin No.
  • Page 100 GX15 CONFIDENTIAL IC112 VHINL17SZ32-1L(NL17SZ32): LOGIC Pin No. Terminal name Input/Output Description of terminal VIN1 Input Input power VIN2 Input Input power – Earth VOUT Output Logic value output Input VCC for VRF Vin1 5 Vcc Vin2 Vout IC114 VHITC75S58A-1L (TC75S58A): COMPARATOR Pin No.
  • Page 101 CONFIDENTIAL GX15 Pin No. Terminal name Input/Output Description of terminal RESET Input Reset if high. Input debounced, so must be high for >5ms to cause a reset SPI_MOSI Input Serial peripheral interface data input (Not used) SPI_CSB Input Chip select for Serial Peripheral Interface, active low (Not used)
  • Page 102 GX15 CONFIDENTIAL 82 29 30 28 19 74 63 61 53 54 64 13 14 46 48 47 23 24 39 VSS_USB 73, 84 VDD_USB AIO[0] AIO[1] AIO[2] VDD_PIO VSS_PIO 1, 2 RESET_B RESET VSS_PADS VDD_PADS FLASH_EN TEST_EN VDD_MEM 6, 7, 9, 60, 70, 81...
  • Page 103 CONFIDENTIAL GX15 IC501 (TK11132CS-G): REGULATOR IC602 VHITK11128C-1R (TK11128C): REGULATOR Pin No. Terminal name Input/Output Description of terminal VCONT Input Control – Earth – Capacitor (Vref) VOUT Output Output Input Input VOUT Control Over Heat & Circuit Over Current Protection 320K...
  • Page 104 GX15 CONFIDENTIAL IC601 VHIXC621918-1L (XC621918): REGULATOR Pin No. Terminal name Input/Output Description of terminal Input Input – Not used VOUT Output Output – Not used – Earth Input ON/OFF Control In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
  • Page 105 CONFIDENTIAL GX15 Pin No. Terminal name Input/Output Description of terminal Input/Output CPU I/F data bus, bit 1 HVDD2 – External digital power supply 2 (+1.8/3.0 V) Input Image I/F input data, bit 0 – Earth Input Test terminal (use Low input)
  • Page 106 GX15 CONFIDENTIAL IC801 (15515502): RF Pin No. Terminal name Input/Output Description of terminal VCCLNA Input VCC for LNA transistor and LNA Bias PCSGND – Earth for emitter of LNA transistor (PCS) PCSLNAI Input Positive input for LNA transistor (PCS) PCSLNAIB...
  • Page 107 CONFIDENTIAL GX15 IC802 VHIRF3146++-1L (RF3146): POWER AMP. Pin No. Terminal name Input/Output Description of terminal – Not used VCC2 GSM Input Controlled voltage input the GSM driver stage – Not used – Earth – Earth Pout_GSM850/900 Output Output power (GSM850/900) –...
  • Page 108 GX15 CONFIDENTIAL VCC2 VCC2 GSM DCS/PCS Pout_GSM PoutDCS 850/900 1800/1900 Fully Integrated Power Control Circuit IC804 VHIR5322P++-1L (R5322P): VOLTAGE REGULATOR Pin No. Terminal name Input/Output Description of terminal Input Chip enable1 Input Power supply Input Chip enable2 VOUT2 Output VCC for VRF –...

  • Page 109: Function Table Of Camera

    CONFIDENTIAL GX15 [2] Function table of Camera CA100 RUNTZA021AFPZ: CAMERA UNIT Pin No. Terminal name Input/Output Description of terminal CLK-IN Input Master clock into sensor. Default is 12 MHz (27 MHz maximum) SCLK Input IIC Serial clock SDATA Input/Output IIC Serial data I/O...

  • Page 110: Function Table Of Display

    GX15 CONFIDENTIAL [3] Function table of Display LCD100 RLCUBA001AFPZ: DISPLAY Termi- Input/Output Description of terminal nal name VSS4 Output DC-DC converter output VSS4 Output DC-DC converter output VSS2 Output DC-DC converter output C4– – Booster capacitor connection terminal – Booster capacitor connection terminal C3–...

  • Page 111: Parts Guide

    GX15 CONFIDENTIAL PARTS GUIDE No. S5408TQGX5E// DIGITAL MOBILE PHONE GX15 MODEL CONTENTS [1] INTEGRATED CIRCUITS [9] ARRAY PARTS [2] TRANSISTORS [10] CAPACITORS [3] DIODES [11] RESISTORS [4] FILTERS [12] OTHER CIRCUITRY PARTS [5] COILS [13] CABINET PARTS [6] VARIABLE RESISTORS...
  • Page 112 GX15 CONFIDENTIAL PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [1] INTEGRATED CIRCUITS IC101 VHIYMU762C+-1L Sound,YMU762C IC102 VHIQ5RW45BF-1L 4.5V Regulator,Q5RW45B IC103 -------- This Parts is Supplied with Cabinet Parts 104 IC104 -------- This Parts is Supplied with Cabinet Parts 104...
  • Page 113 CONFIDENTIAL GX15 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [5] COILS 22 µ H L502 RCILZ0346AFZZN L801 RCILZ1103YCZZ- Ferrite Beads L802 RCILZA005AFZZN Ferrite Beads L821 VPCAMT22S0000- 2.2 nH L822 VPCAMT22S0000- 2.2 nH L832 VPCAMT56S0000- 5.6 nH L833 VPCAMS22J0000- 22 nH...
  • Page 114 GX15 CONFIDENTIAL PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [10] CAPACITORS 1 µ F,6.3V C159 VCKYCZ0JB105KT 1 µ F,6.3V C160 VCKYCZ0JB105KT 1 µ F,6.3V C161 VCKYCZ0JB105KT 0.47 µ F,10V C162 VCKYCY1AB474KT 1 µ F,6.3V C164 VCKYCY0JB105KT 0.1 µ F,10V...
  • Page 115 CONFIDENTIAL GX15 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [10] CAPACITORS 1 µ F,6.3V C801 VCKYCZ0JB105KT 2.2 µ F,6.3V C802 VCKYCY0JB225KT 0.01 µ F,16V C803 VCKYCZ1CB103KT 2.2 µ F,6.3V C806 VCKYCY0JB225KT 0.01 µ F,16V C807 VCKYCZ1CB103KT 1 µ F,6.3V...
  • Page 116 GX15 CONFIDENTIAL PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [11] RESISTORS R164 VRS-CZ1JB000JT 0 ohm,Jumper,0.5x1.0mm R165 VRS-CZ1JB103JT 10 kohm,1/16W R166 VRS-CZ1JB000JT 0 ohm,Jumper,0.5x1.0mm R167 VRS-CZ1JB206JT 20 Mohms,1/16W R168 VRS-CZ1JB000JT 0 ohm,Jumper,0.5x1.0mm R169 VRS-CZ1JB000JT 0 ohm,Jumper,0.5x1.0mm R172 VRS-CZ1JB000JT 0 ohm,Jumper,0.5x1.0mm...
  • Page 117 CONFIDENTIAL GX15 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [11] RESISTORS R608 VRS-CZ1JB222JT 2.2 kohms,1/16W R614 VRS-CZ1JB474JT 470 kohms,1/16W R701 VRS-CZ1JB821JT 820 ohms,1/16W R702 VRS-CZ1JB821JT 820 ohms,1/16W R703 VRS-CZ1JB821JT 820 ohms,1/16W R704 VRS-CZ1JB821JT 820 ohms,1/16W R705 VRS-CZ1JB821JT 820 ohms,1/16W...
  • Page 118 GX15 CONFIDENTIAL [13] CABINET PARTS 103-1 103-3 103-4 103-2 102-9 602x4 (MO100) 102-8 102-4 102-7 102-2 (EP100) 102-3 (MIC100) 102-5 102-1 104-18 102-10 104-17 104-7 104-6 104-3 104-25 (BAT100) 104-12 104-23 104-19 (CA100) 104-13 104-14 104-1 (PWB-A) 104-4 104-15 104-24...
  • Page 119 CONFIDENTIAL GX15 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [13] CABINET PARTS DCABAW142AFSP Front Cabinet Assembly [U] DCABAW142AFSQ Front Cabinet Assembly [F] DCABAW142AFS1 Front Cabinet Assembly (Except for [F,U]) 101- 1 -------- Front Cabinet (Not Replacement Item) 101- 2...
  • Page 120 GX15 CONFIDENTIAL [14] ACCESSORIES/PACKING PARTS 19 ([EP, H, F, U] Only) 11, 12 ([B] Only), 13, 14, 16 ([T] Only) AC Charger RADPAA007AF01 Phone RADPAA008AF01 RADPAA009AF01 23 ([U] Only) 21 ([A, Z] Only) 22 ([B] Only) 15 ([E, B, D] Only)
  • Page 121 CONFIDENTIAL GX15 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [14] ACCESSORIES/PACKING PARTS TGANZA013AFZZ Guarantee [D] TGANZA014AFZZ Guarantee [W] TGANZA017AFZZ Guarantee [H] TGANZA018AFZZ Guarantee [S] TGANZA026AFZZ Guarantee [U] TINSEA015AFZZ User Guide [E,EP,L,Q,R] TINSEA027AFZZ User Guide [A,Z] TINSEA039AFZZ User Guide (English) [U]...
  • Page 122 CONFIDENTIAL GX15 © COPYRIGHT 2004 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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