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Related Manuals for Motorola V820
Summary of Contents for Motorola V820
- Page 1 Service Manual Level 2 Preliminary Model V810 CDMA 800, 1900MHz & Analog 800MHz...
- Page 2 Motorola. Furthermore, the purchase of Motorola products shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any li-...
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Page 3: Table Of Contents
Contents V810 Product Description…………………………………5 Audio Control Circuitry………………………….…… 21 Introduction to 810…………………………….……… 5 Audio Lineup……….……………………………………. 21 CDMA Dual Band-Tri-mode…………………………5 Sidetone (DSP)...……………………………………..…… 22 Non Qualcomm IC’s………………………………… 6 Transmit Path Audio…………………………….………. 22 CDMA-PCS 1900Mhz Band…………………………7 MSM Block Diagram…………..…………………………23 CDMA Dual Band Trimode Phone………………… 7 A/D Converter and Filtering………………..……………... - Page 4 Contents V810 This page is intentionally left blank. © 2003 Motorola, Inc.
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Page 5: Product Description
The flip assembly includes the entire hinge mechanism and is attached to the main housing by four screws. There is a full display on the inside of the flip assembly and a OLED on the outside of the flip assembly. Motorola Confidential Proprietary... -
Page 6: Non Qualcomm Ic's
The main housing assembly includes a battery cover, chassis, main circuit board, keypad and plastic front housing. The main circuit board is comprised of the Receiver, Transmitter, Synthesizer and Control Logic Circuitry which together form the dual band tri-mode phone electronics. Motorola Confidential Proprietary... -
Page 7: Cdma-Pcs 1900Mhz Band
The lowest valid channel number is 25. 1880.00 1960.00 The highest valid number is 1175. 1890.00 1970.00 Total Number of valid channel numbers is 46. 1000 1900.00 1980.00 CDMA 1900MHz Performance Specifications 1175 1908.50 1988.50 General. © 2003 Motorola, Inc. -
Page 8: Brief Ic Functional Description
Product Description V810 This Page is intentionally left blank. 2003... -
Page 9: Specifications
313 to 354. A -System preferred channels: primary =283, Secondary = 691 B- System preferred channels: Primary =384, Secondary = 777 The lowest valid CDMA channel is 1013. The highest valid CDMA channel is 777. © 2003 Motorola, Inc. - Page 10 1/2, 1/4, 1/8 rate (CDMA Mode) CDMA Transmit 0.94 Waveform Quality(Rho) Receiver Sensitivity -116 dBm (AMPS, SINAD, C-MSG weighted) Sinad 12dB or greater -104 dBm (CDMA, 0.5% Static FER) 0.5% or less Alternate Channel -60 db@+/- 60kHz (Amps) Desense Protection © 2003 Motorola, Inc.
- Page 11 • TIA/EIA/IS-98 Recommended Minimum Performance Standards for Dual- Mode Wide band Spread spectrum Cellular Mobile Stations. Specifications subject to change without notice. © 2003 Motorola, Inc.
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Page 12: Foreward
Model and Kit Identification repair of Motorola Cellular products. Orders Motorola products are specifically identified by an for all parts should be sent to the Motorola overall model number on the product label. In most International Logistics Department at the fol-... -
Page 13: Genaral Safety Information
DO NOT operate the telephone in an airplane. All equipment must be properly grounded according to installation instructions for safe oper- DO NOT allow children to play with any radio ation. equipment containing a transmitter. © 2003 Motorola, Inc. -
Page 14: Cellular Overview
With • Variable rate vocoder. CDMA, unique digital codes, rather than sepa- rate RF frequencies or channels are used to • Soft hand off. differentiate subscribers. ©2003 Motorola, Inc. -
Page 15: Hypothetical Cell System
Since this radiotelephone is dual mode, the radiotelephone can operate in either a CDMA system or Analog system. © 2003 Motorola, Inc. -
Page 16: Circuit Description & Theory Of Operation
IC201 (MSM6050). This IC100 (RFR6000) provides these critical receiver functions for three different operating modes: CDMA, AMPS FM, and GPS position location. It is functionally compatible with the RFL6000, while adding GPS processing capability 2003 Motorola Confidential Proprietary Page 16... -
Page 17: Block Diagram
Circuit Fref PM6000 PM6000 Fref RX PLL VDDA VDDM MODE Control LO Generation LOCK Circuit & Distribution DAC_REF Control Circuit I_SET Switch Quadrature network Downconverter Quadrature Downconverter Cell RFT 6100 RFT 6100 2003 Motorola Confidential Proprietary Page 17... -
Page 18: Transmitter
(IC201), PM6000 (IC304), RFR6000 (IC100), and RFT6100 (IC103). Main VCO covers the frequency range of 1715MHz to 1788MHz for the 800Mhz mode and 1.9Ghz mode. VCO control voltage range is 0.4 volts to 2.3 volts. 2003 Motorola Confidential Proprietary Page 18... -
Page 19: Control Logic Circuitry
The General Control Power IC (IC304) provides the linear voltage regulator and battery charge control. Harness IC (IC300) is Motorola customed Asic to provide for CE bus Mux, additional GPIO and P-S converter etc. External interfaces include Motorola’s proprietary accessory interface (CN300) called as CE bus and an industry standard 2.5mm headset... -
Page 20: Pm6000
Depending on the accessory, power can be provided to the phone from an external approved power accessory or power can be provided to the accessory for battery powered applications. 2003 Motorola Confidential Proprietary Page 20... -
Page 21: Battery Interface
AUDIO CONTROL CIRCUITRY Audio Line-up The audio routing and gain control will be supported by MSM6050 IC. With the integrated microphone and earpiece amplifiers, the MSM interfaces directly to the microphone and earpiece and greatly reduces 2003 Motorola Confidential Proprietary Page 21... -
Page 22: Sidetone (Dsp)
Mic inputs are single ended and Internal MIC is differential Input. The proper Microphone path is selected by the MIC selector and path gain is programmable at the MIC AMP1, 2 in the MSM. Refer to the following sections and block diagram below. 2003 Motorola Confidential Proprietary Page 22... -
Page 23: Msm Block Diagram
MSM. This single-ended signal feeds directly to the input MIC select multiplexer without an intervening gain stage. The audio signal shall have a nominal level (-27dBv) of 43.5mVrms at 1 kHz, between 300 Hz and 3 kHz. 2003 Motorola Confidential Proprietary Page 23... -
Page 24: Receive Audio Path
Headset Speaker Path The headset uses a standard 2.5mm phone jack. The phone will detect the presence of a headset using pin 2 on the headset jack, which is 2003 Motorola Confidential Proprietary Page 24... -
Page 25: External Speaker Path
Key strobe signal is provided from Harness Chip (IC300). Keypad back- lighting is provided through an array of 14 LEDs on the main board. ON/OFF control of the LEDs is controlled through the backlight sink circuit. 2003 Motorola Confidential Proprietary Page 25... -
Page 26: Flip Open/Close Detection
The Keypad Backlight LED is realized by ten blue color LEDs which part number is LTST-C192TBKT. One indicate led is used for indication LED. This LED’s part number is LNJ115W8PRA.. Harness chip (IC300) controls Keypad Backlight LED and indicate LED. 2003 Motorola Confidential Proprietary Page 26... - Page 27 Ensure the phone is turned off. Grab the bottom of the antenna Assembly, unscrew the antenna from the housing, lift the antenna away from the housing. Battery Cover Pull the battery door latch, gently lift the battery door away from the rear housing. Motorola...
- Page 28 Slide the battery in the direction of the arrow, lift the top end of the battery near the antenna up and out of the battery compartment as shown. Back Screws Using a T-drive with a T- 6 bit, remove the 4 screws from the rear housing. Motorola...
- Page 29 Back Housing There are the Snap fits on both side of the rear housing. Pry them with the bezel stick and release both Snap fits as shown in the picture below. After releasing the Snaps fits, gently lift the back housing and push to the front. Flip Connector Using the bezel stick tool, pull up the flip Flex cable connector.
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Page 30: Disassembly Procedure
Disassembly V810 Main Board Pull up the bottom side of the PCB board Assembly. Keypad Pull up the Keypad Assembly. Motorola... -
Page 31: Remove Flip Assembly
Flip Ground Use twister to remove the flip ground Assembly. (Please make sure to re-install the flip ground assembly back in to place). Flip Hinge Use a small flat head screw driver. Push down the Hinge Assembly, pull off the flip Assembly. -
Page 32: Remove Flip Assembly
Disassembly V810 Flip Remove Push down (Twist) the Grip, pull up the flip Assembly. Rubber Bumper Using a twister tool remove the ribber Bumpers from the flip Assembly. Motorola... -
Page 33: Remove Flip Screws
Flip Screws Using a small head Phillips screw driver, remove the 4 screws from the flip Assembly. Flip Cover Using the bezel stick, pull up the flip Assembly. -
Page 34: Remove Bracket Sub Lcd
Disassembly V810 Bracket Sub LCD Using the bezel stick, remove the bracket sub LCD Assembly from the CLI Display. Camera Connector Using the bezel stick tool, pull up the camera Flex cable connector. Motorola... -
Page 35: Remove Camera Assembly
Camera Remove Pull off the camera Assembly from the connector. Vibrator Using a flat screw driver pull off the vibrator motor from the flip housing. -
Page 36: Display Disassembly
Disassembly V810 Display’s Disassembly Using the bezel stick tool, pull up the Display Assembly from the flip Assembly. Main Display Connector Using the bezel stick tool, pull off the Main Display Flex cable connector. Motorola... - Page 37 Main Display CLI display, Flash, vibrator, Speaker and camera circuit Module.
- Page 38 Circuit Description & V810 Theory of Operation This Page is intentionally left blank. © 2003 Motorola, Inc.
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Page 39: Product Support Tools
T720 Rf Cable adaptor part # 288792Ok01 1. Personal computer with which is used for all Rf Phasing and testing. 2. PST 6.6 or latest software Motorola test interface adapter box (junior board) - 3. SYN8400A Interface adapter power supply –... -
Page 40: Gate 24
TEST AND PHASING Gate 24 supports the testing and phasing of V810 product, For more details on Test and Phasing contact Service Test Engineering Group. PRINT- HEWLETT PACKARD SYSTEMS Line SERIAL PORT POWER DET OUTPUT HP-IB / Seri- RS23 POWER CRIB LAN CONNEC- TION... -
Page 41: Troubleshooting
Logic / RF assembly is replaced. tive parts/assemblies. Defective circuit boards should be forwarded to the appropriate Motorola For general repairs which do not include service facility for repair. Refer to the “Replace- replacing the Logic/RF assembly, simply placing ment Parts”... - Page 42 2.85V C328 rent and is calculated by (EXT_B+_CURRENT/ VREG_TCXO 2.85V C325 CURRENT_LIMIT) * 1.5 where current limit is either 1.5A or 0.400A. reflow or replace IC306 • Check the 19.2 Mhz clock signal at TCXO100 if © 2003 Motorola, Inc.
- Page 43 1. Replace the antenna with a known good antenna. poor reception and/or damaged antenna erratic operation connector. (such as calls frequently dropping, b) Defective RF/ Audio- 2. Check for loose or damaged cans. weak and/or distorted Logic Board. audio, etc.) © 2003 Motorola, Inc.
- Page 44 RF/Audio-Logic 2. Replace the RF/Audio-Logic Board board defective. 6. Receive audio is a) Speaker defective. 1. Replace defective speaker. weak and/or distorted. b) RF/Audio-Logic 2. Replace the RF/Audio-Logic Board board defective. © 2003 Motorola, Inc.
- Page 45 V810 Product Support Tools This page is intentionally left blank. © 2003 Motorola, Inc.
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Page 46: Exploded View Diagram
Explored View Diagram V810 ① ④ ② ⑤ ③ ⑥ ⑦ ⑧ ⑨ ⑩ 2003 Motorola... - Page 47 Explored View Diagram V810 Parts Numbers Description Part Number Housing front 01-36011-01 Frame front Side Key 40-00010-01 Plate deco front Tel key 37-36000-01 Navigation key 10-36000-03 Housing rear 01-36012-01 Antenna 01-36000-01 Battery Pack SNN5724A, 5725A, 5726A Cover Battery 2003 Motorola...