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Pioneer DEH=4700MP Service Manual
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Pioneer DEH=4700MP Service Manual

High power cd/mp3/wma player with rds tuner
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See also: Operating Manual
HIGH POWER CD/MP3/WMA PLAYER WITH RDS TUNER
DEH-4700MP
DEH-4700MPB
This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-3158
CRT3394
For details, refer to "Important Check Points for Good Servicing".
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2004
Mech.Module
S10.1AAC
CD Mech. Module : Circuit Description, Mech. Description, Disassembly
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
DEH-4700MP/XU/EW
/XU/EW
Remarks
ORDER NO.
CRT3398
/XU/EW
K-ZZA. DEC. 2004 Printed in Japan

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  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2004 K-ZZA.

  • Page 2: Safety Information

    SAFETY INFORMATION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
  • Page 3 [Important Check Points for Good Servicing] In this manual, procedures that must be performed during repairs are marked with the below symbol. Please be sure to confirm and follow these procedures. 1. Product safety Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by following the safety instructions described in this manual.

  • Page 4: Table Of Contents

    CONTENTS SAFETY INFORMATION ............................. 2 1. SPECIFICATIONS ............................5 2. EXPLODED VIEWS AND PARTS LIST ......................6 2.1 PACKING ..............................6 2.2 EXTERIOR..............................8 2.3 CD MECHANISM MODULE........................10 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..................12 3.1 BLOCK DIAGRAM ........................... 12 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)................

  • Page 5: Specifications

    1. SPECIFICATIONS DEH-4700MP/XU/EW...

  • Page 6: Exploded Views And Parts List

    2. EXPLODED VIEWS AND PARTS LIST OTES : • Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List. • The > mark found on some component parts indicatesthe importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 7 (1) PACKING SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Polyethylene Bag CEG-162 Cord Assy CDE7059 Accessory Assy CEA4610 ••••• ••••• Carton See Contrast table(2) Screw Assy CEA4611 Contain Box See Contrast table(2) Fixing Screw(M2x4) CBA1488 Protector XHP7003...

  • Page 8: Exterior

    2.2 EXTERIOR 19 20 DEH-4700MP/XU/EW...
  • Page 9 (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Button(AUDIO, LOUDNESS) YAC5032 Screw BSZ26P060FTC Button(BAND) YAC5033 Screw BSZ30P060FTC Button(EJECT, DISPLAY) YAC5034 Screw BSZ30P200FTC Cord Assy CDE7059 Button(DOWN, RIGHT) YAC5035 CKX-003 Button(UP, LEFT) YAC5036 Spring YBL5001 Cable YDE5008...

  • Page 10: Cd Mechanism Module

    2.3 CD MECHANISM MODULE 1GEM1024 2GEM1045 3GEM1035 DEH-4700MP/XU/EW...
  • Page 11 CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Gear CNV8379 CD Core Unit(S10.1) CWX3096 Connector(CN101) CKS4182 Gear CNV8380 Connector(CN901) CKS4017 Gear CNV8381 Screw BMZ20P035FTC Gear CNV8382 Screw BSZ20P040FTC Gear CNV8383 Gear CNV8384 Screw(M2x4) CBA1362 Screw(M2x3)

  • Page 12: Block Diagram And Schematic Diagram

    3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM TUNER AMP UNIT 10 9 8 18 19 20 21 FM/AM TUNER UNIT IC 5 IC 3 EEPROM 3.3V 5.0V ANTENNA CN401 AM ANT FMRF IC 2 RDS_LO 2.5V IC 1 FM ANT 3.3V RDS_HS...

  • Page 13: Keyboard Unit

    WIRED REMOTE CONTROL CN621 CN352 REAR OUTPUT RESET R Lch IC 961 Q352 S-80834CNY KEY2 STRKEY TUNPDO TUNPDI TUNPDI TUNPDO TUNPCK TUNPCK VDD REGULATOR Q911 TUNPCE1 TUNPCE2 Q912 SYSTEM CONTROLLER IC 601(1/2) Q401 PE5459A DALMON RDS_LOCK RDSLK CN901 RDS_HSLK BACKUP SENSE RDS57K B.UP FUSE...

  • Page 14: Overall Connection Diagram(Guide Page)

    3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". CN901 Large size SCH diagram Guide page Detailed page ADPW SYSTEM CONTROLLER isens STRKEY2 BDATA bsrq ANTENNA NOTE :...
  • Page 15 TUNER AMP UNIT REAR L CH > REAR R CH FM: 32.6dB AM: 23.1dB CD: 36.45dB CEK1208 NTROLLER > isens STRKEY2 bsrq BACK WIRED REMOTE CONTROL DEH-4700MP/XU/EW...
  • Page 16 DEH-4700MP/XU/EW...
  • Page 17 DEH-4700MP/XU/EW...
  • Page 18 DEH-4700MP/XU/EW...
  • Page 19 DEH-4700MP/XU/EW...

  • Page 20: Keyboard Unit

    3.3 KEYBOARD UNIT MODEL ILM COLOUR IL1801 D1805-1816 R1804-1813 R1816-1819 4700MP GREEN(PG) CEL1651 SML-310PT 4700MPB VW RED(SR) CEL1662 SML-310VT LCD DRIVER/ KEY CONTROLLER 4700MP:YAW5024 4700MPB:YAW5025 DEH-4700MP/XU/EW...
  • Page 21 KEYBOARD UNIT CN831 40mA,14V DISPLAY DEH-4700MP/XU/EW...

  • Page 22: Cd Mechanism Module(Guide Page)

    3.4 CD MECHANISM MODULE(GUIDE PAGE) PICKUP UNIT(P10)(SERVICE) M1 CXC4440 SPINDLE MOTOR M2 CXB8933 LOADING /CARRIAGE CD DRIVER MOTOR DEH-4700MP/XU/EW...
  • Page 23 Decimal points for resistor and capacitor fixed values are expressed as : ← ← 0.022 R022 SWITCHES: CD CORE UNIT(S10.1) S901:HOME SWITCH..ON-OFF S903:DSCSNS SWITCH..ON-OFF S904:12EJ SWITCH.....ON-OFF S905:8EJ SWITCH....ON-OFF The underlined indicates the switch position. SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE CD CORE UNIT(S10.1)
  • Page 24 DEH-4700MP/XU/EW...
  • Page 25 DEH-4700MP/XU/EW...
  • Page 26 DEH-4700MP/XU/EW...
  • Page 27 DEH-4700MP/XU/EW...
  • Page 28 - Waveforms Note : 1. The encircled numbers denote measuring points in the circuit diagram. 2. Reference voltage REFO1(1.65V) 1 DSCSNS 1 DSCSNS 1 DSCSNS 5V/div 500ms/div 5V/div 500ms/div 5V/div 500ms/div 2 8SNS 5 CLCONT 2 8SNS 5V/div 5V/div 5V/div 3 12SNS 4 LOEJ 3 12SNS...
  • Page 29 0 FIN @ TE % RFAGC 500mV/div 200ms/div 500mV/div 2ms/div 1V/div 500µs/div # FE % RFAGC @ TE 500mV/div 500mV/div 500mV/div 9 TIN 500mV/div Focus Search waveform Track Open waveform 1 Track Jump waveform Ref.: Ref.: Ref.: REFO REFO REFO Mode: Mode: Mode:...
  • Page 30 7 SIN % RFAGC 1V/div 500ms/div 1V/div 500µs/div 8 CIN 9 TIN 500mV/div 1V/div 9 TIN @ TE 500mV/div 1V/div 0 FIN 1V/div CD-ROM >> CD-DA mode change(Band key) Black dot(800µm) during play Ref.: Ref.: REFO REFO Mode: Mode: Normal Normal DEH-4700MP/XU/EW...
  • Page 31 DEH-4700MP/XU/EW...

  • Page 32: Pcb Connection Diagram

    4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS TUNER AMP UNIT 1.The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure WIRED REMOTE CONTROL to check with the schematic dia- CORD ASSY gram.
  • Page 33 SIDE A REAR OUTPUT ANTENNA CN1801 FRONT DEH-4700MP/XU/EW...
  • Page 34 TUNER AMP UNIT DEH-4700MP/XU/EW...
  • Page 35 SIDE B DEH-4700MP/XU/EW...

  • Page 36: Keyboard Unit

    4.2 KEYBOARD UNIT KEYBOARD UNIT SIDE A LCD1801 DEH-4700MP/XU/EW...
  • Page 37 KEYBOARD UNIT SIDE B CN831 DEH-4700MP/XU/EW...

  • Page 38: Cd Core Unit(S10.1)

    4.3 CD CORE UNIT(S10.1) CD CORE UNIT(S10.1) SIDE A LOADING /CARRIAGE MOTOR SPINDLE MOTOR CN721 HOME REFO1 DEH-4700MP/XU/EW...
  • Page 39 CD CORE UNIT(S10.1) SIDE B 12EJ DSCSNS DEH-4700MP/XU/EW...

  • Page 40: Electrical Parts List

    5. ELECTRICAL PARTS LIST NOTE: Parts whose parts numbers are omitted are subject to being not supplied. • The part numbers shown below indicate chip components. • Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS..) CKS.., CCS.., CSZS..The > mark found on some component parts indicatesthe importance of the safety factor of the part. •...
  • Page 41 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. R 420 (B,105,44) RS1/16S681J R 932 (B,65,85) RS1/16S104J R 454 (B,133,114) RS1/16S103J R 933 (A,54,99) RD1/4PU102J R 455 (B,141,132) RS1/16S153J R 934 (B,64,95) RS1/16S473J R 456 (B,139,132) RS1/16S221J R 935 (B,64,92) RS1/16S473J...
  • Page 42 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. C 721 (B,61,42) CKSRYB104K25 R 1807 (B,26,142) RS1/16S181J C 724 (B,64,23) CCSRCH470J50 R 1808 (B,13,31) RS1/16S181J R 1809 (B,24,33) RS1/16S151J C 725 (B,120,74) CKSRYB102K50 R 1810 (B,25,30) RS1/16S181J C 726 (B,148,84) CKSRYB102K50...
  • Page 43 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. R 1801 (B,23,43) RS1/16S222J R 101 (A,22,24) RS1/10SR2R4J R 1802 (B,20,43) RS1/16S222J R 102 (A,22,26) RS1/10SR2R4J R 1803 (B,22,33) RS1/16S151J R 103 (A,25,25) RS1/10SR2R7J R 1804 (B,22,31) RS1/16S331J R 201 (A,53,16) RS1/16SS102J...
  • Page 44 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. C 906 (A,40,77) CKSRYB224K16 R 905 (B,54,60) RS1/16SS221J C 907 (A,47,76) CKSSYB103K16 R 906 (B,56,68) RS1/16SS221J C 910 (B,60,71) CKSQYB225K10 R 908 (B,45,69) RS1/16SS0R0J R 910 (B,44,69) RS1/16SS0R0J Miscellaneous Parts List R 911 (B,40,73)

  • Page 45: Adjustment

    6. ADJUSTMENT 6.1 CD ADJUSTMENT 1) Cautions on adjustments 2) Test mode • In this product the single voltage (3.3V) is used for the This mode is used to adjust the CD mechanism module. regulator. The reference voltage is the REFO1 (1.65V) •...
  • Page 46 - Flow Chart [4]+[6]+Reset or [KEY] [4]+[6]+BU+ACC Contents Test Mode In Display [CD]or[SOURCE] Source On [BAND] RF AMP SPINDLE Power On Power On (T.Offset is not adjusted) Gain switching Speed switching (T.Offset is adjusted) [BAND] [→] [←] Tracking Servo Focus Close Focus Mode Automatic adjustment CRG+...

  • Page 47: Checking The Grating After Changing The Pickup Unit

    6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT • Note : The grating angle of the PU unit cannot be adjusted after the PU unit is changed. The PU unit in the CD mechanism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted PU unit for the CD mechanism module.
  • Page 48 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90° DEH-4700MP/XU/EW...

  • Page 49: Error Mode

    6.3 ERROR MODE - Error Messages Error is displayed with number for Error cause when CD is inoperative or stops with Error during operation. The purpose is to reduce nonsense calls from users as well as to assist all related analysis and repair for defects at service station.

  • Page 50: General Information

    7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY Removing the Case (not shown) 1. Remove the Case. CD Mechanism Module Removing the CD Mechanism Module (Fig.1) Remove the four screws. Disconnect the connector and then remove the CD Mechanism Module. Removing the Grille Assy (Fig.1) Release the two latchs and then remove the Grille Assy.
  • Page 51 - How to hold the Mechanism Unit 1. Hold the top and bottom frame. 2. Do not squeeze top frame's front portion too tight, because it is fragile. Do not squeeze. - Removing the Upper and Lower Frames 1. With a disc clamped, remove the four springs (A), Upper Frame the two springs (B), the two springs (C), and the four screws.
  • Page 52 - Removing the Pickup Unit 1. Apply shorting solder to the Pickup flexible cable. Disconnect the cable. 2. Set the mechanism to the clamp mode. 3. Remove the lead wires from the inner holder. 4. Remove the washer, styling holder, change arm, and pickup lock arm.

  • Page 53: Connector Function Description

    7.1.2 CONNECTOR FUNCTION DESCRIPTION Pin No. Pin No. B.UP B.REM MUTE DEH-4700MP/XU/EW...

  • Page 54: Parts

    7.2 PARTS 7.2.1 IC - Pin Functions(PE5459A) Pin No. Pin Name Function and Operation MODEL1 Model select input 2, 3 Not used AVSS 5, 6 Not used AVREF1 KYDT Display microcomputer data input DPDT Display microcomputer communication data output ADPW A/D converter power supply output TUNPDI PLL data input...
  • Page 55 Function and Operation Pin No. Pin Name asens ACC sense input bsens Back up sense input dsens Grille detach sense input source Source sense input Crystal oscillator connection pin 69, 70 X2, 1 IC(VPP) Not used AVDD AVREF1 Signal level input Temperature detection input TEMP VDSENS...
  • Page 56 - Pin Functions(PD6340A) Pin No. Pin Name Function and Operation SEG4-0 LCD segment output COM3-0 LCD common output VLCD LCD drive power supply 11-14 KST3-0 Key strobe output 15,16 KDT0,1 Key data input (analogue input) Remote control reception input DPDT Display data input Not used KYDT...
  • Page 57 - Pin Functions(UPD63763GJ) Pin No. Pin Name Function and Operation D.VDD Power supply for digital circuits D1.GND GND for 1.6V digital circuits reset Input of reset AB12-8 Address bus 12-8 from the microcomputer 9-16 AD7-0 Address/data bus 7-0 to the microcomputer Chip selection ASTB Address strobe...
  • Page 58 Pin No. Pin Name Function and Operation D.VDD Power supply for digital circuits Output of focus drive PWM + Output of focus drive PWM - Output of tracking drive PWM + Output of tracking drive PWM - Output of thread drive PWM + Output of thread drive PWM - Output of spindle drive PWM + Output of spindle drive PWM -...
  • Page 59 - Pin Functions(PE5454A) Pin No. Pin Name Format Function and Operation AVREF A power supply Positive power supply(5V) AVSS A power supply GND RFOK Output of state of RFOK Not used EVDD E power supply Positive power supply 6, 7 Not used IC/FLMD0 IC : VSS direct connection/FLMOD0 : Pull-down...
  • Page 60 Pin No. Pin Name Format Function and Operation xread CD LSI read control signal output XASTB CD LSI address strobe output BVSS B power supply GND BVDD B power supply Positive power supply 71-83 AD0-12 Address/data Bus 0-12 84-86 Not used FMODE For flash rewriting Connected to VSS via the resistor FLRQ...
  • Page 61 - FM/AM Tuner Unit 10 9 8 18 19 20 21 IC 5 IC 3 EEPROM 3.3V 5.0V AM ANT FMRF IC 2 2.5V IC 1 FM ANT 3.3V FMRF MIXER, IF AMP DET, FM MPX, RDS DECODER RF adj ANT adj CF52 CF51...

  • Page 62: Display

    7.2.2 DISPLAY - LCD(YAW5024)(DEH-4700MP/XU/EW) - LCD(YAW5025)(DEH-4700MPB/XU/EW) DEH-4700MP/XU/EW...

  • Page 63: Operational Flow Chart

    7.3 OPERATIONAL FLOW CHART Power ON AVREF1, VDD, AVDD=5V Pin 7, 68, 74, 75 bsens Pin 64 bsens=L asens Pin 63 asens=L Starts communication with Grille microcomputer. 300ms swvdd←L Pin 21 300ms In case of the above signal, the communication Source keys with Grille microcomputer may fail.

  • Page 64: Cleaning

    7.4 CLEANING Before shipping out the product, be sure to clean the following portions by using the prescribed cleaning tools: Portions to be cleaned Cleaning tools CD pickup lenses Cleaning liquid : GEM1004 Cleaning paper : GED-008 DEH-4700MP/XU/EW...

  • Page 65: Operations

    8. OPERATIONS DEH-4700MP/XU/EW...
  • Page 66 DEH-4700MP/XU/EW...
  • Page 67 DEH-4700MP/XU/EW...
  • Page 68 DEH-4700MP/XU/EW...
  • Page 69 About the fixing screws for the front panel If you do not operate the Detaching and Replacing the Front Panel Function, use the supplied fixing screws and fix the front panel to this unit. Fixing screw (CBA1488) Fixing screw (CBA1488) DEH-4700MP/XU/EW...
  • Page 70 DEH-4700MP/XU/EW...
  • Page 71 DEH-4700MP/XU/EW...
  • Page 72 - Jigs List Name Jig No. Remarks Test Disc TCD-782 Checking the grating L.P.F. Checking the grating g (Two pieces) DEH-4700MP/XU/EW...

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Deh-4700mpb

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