Pioneer DEH-P3700MP Service Manual

Pioneer DEH-P3700MP Service Manual

Multi-cd control high power cd/mp3/wna player with fm/am tuner
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MULTI-CD CONTROL HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER
DEH-P3700MP
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 2005
Mech.Module
S10.1AAC
CD Mech. Module : Circuit Description, Mech. Description, Disassembly
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
DEH-P3700MP/XU/UC
Remarks
ORDER NO.
CRT3402
/XU/UC
K-ZZA. JAN. 2005 Printed in Japan

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Summary of Contents for Pioneer DEH-P3700MP

  • 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 2005 K-ZZA.
  • Page 2: Safety Information

    ICs inside the unit. 3. To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment (shorting-solder) by referring to "the DISASSEMBLY". 4. After replacing the pickup unit, be sure to check the grating. DEH-P3700MP/XU/UC...
  • Page 3 To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be installed before shipment. Please be sure to follow this method especially if it is specified in this manual. DEH-P3700MP/XU/UC...
  • Page 4: Table Of Contents

    7. GENERAL INFORMATION ..........................51 7.1 DIAGNOSIS ............................. 51 7.1.1 DISASSEMBLY ............................. 51 7.1.2 CONNECTOR FUNCTION DESCRIPTION ..................54 7.2 PARTS..............................55 7.2.1 IC ................................55 7.2.2 DISPLAY ............................... 63 7.3 OPERATIONAL FLOW CHART ....................... 64 7.4 CLEANING............................... 65 8. OPERATIONS ..............................66 DEH-P3700MP/XU/UC...
  • Page 5: Specifications

    1. SPECIFICATIONS DEH-P3700MP/XU/UC...
  • Page 6: Exploded Views And Parts List

    • Screw adjacent to mark on the product are used for disassembly. • For the applying amount of lobricants or glue, follow the instructions in this manual. (In the case of no amount instructions,apply as you think it appropriate.) 2.1 PACKING DEH-P3700MP/XU/UC...
  • Page 7 CRZ50P090FTC 22-2 Installation Manual CRD3954 Screw TRZ50P080FTC 22-3 Caution Card CRP1294 22-4 Card ARY1048 Polyethylene Bag CEG-158 Handle CNC5395 22-5 Caution Card CRP1310 ••••• ••••• Owner's Manual,Installation Manual Part No. Language CRD3953 English, French, Spanish CRD3954 English, French, Spanish DEH-P3700MP/XU/UC...
  • Page 8: Exterior

    2.2 EXTERIOR DEH-P3700MP/XU/UC...
  • Page 9 Screw BPZ20P100FZK Spring CBH2210 Connector(CN1801) CKS4943 Sheet CNM7932 Connector CNV7369 LCD(LCD1801) YAW5015 Holder YNC5005 Cushion YNM5004 Lighting Conductor YNV5004 Lighting Conductor YNV5005 Rubber YNV5006 Grille Unit CXC3909 Knob(VOLUME) YAA5001 Button(DETACH) YAC5027 Button(SOURCE) YAC5030 Button(1-6, DISPLAY) YAC5031 Button(AUDIO, LOUDNESS) YAC5032 DEH-P3700MP/XU/UC...
  • Page 10: Cd Mechanism Module

    2.3 CD MECHANISM MODULE 1GEM1024 2GEM1045 3GEM1035 DEH-P3700MP/XU/UC...
  • Page 11 CND2712 Bracket CND1895 Screw JFZ20P020FTC CNC9968 Screw JGZ17P022FTC CND1909 ••••• Lever CND2032 Washer YE20FTC Pickup Unit(P10)(Service) CXX1647 Lever CNC9984 Sheet CNM8134 Screw IMS26P030FTC Collar CNV8447 Spring CBL1635 Guide CNV8448 Clamper CNV8372 CNV8403 Rack CNV8374 Holder CNV8376 Holder CNV8377 CNV8378 DEH-P3700MP/XU/UC...
  • Page 12: Block Diagram And Schematic Diagram

    IC 301 BRST,BRXEN,BSRQ BRST,BRXEN,BSRQ,BDATA,BSCK PE5454A BA5835FP BDATA,BSCK Q751 B.UP Q753 12EJ VDCONT DSCSNS CD3VON HOME VDCONT VDCONT S904 S905 S903 S901 Q761 12EJ DSCSNS HOME Q762 IC 203 CD3VON CD3VON V3R3D NJM2885DL1-33 3.3V REGULATOR 3V REGULATOR 3VDD IC 703 S-812C33AUA-C2N DEH-P3700MP/XU/UC...
  • Page 13: Keyboard Unit

    DSENS DSENS Q871 B.UP REM.CON. Q872 IC1802 KEY MATRIX TSOP4840SB1 ILMPW SWVDD IL1801 LAMP S1827 ROT1 ROT1 ROT0 ROT0 KEY DATA VOLUME X1801 5.00MHz DPDT DPDT DPDT LCD DRIVER/ KYDT KEY CONTROLLER KYDT KYDT IC 1801 VLCD PD6340A LCD1801 DEH-P3700MP/XU/UC...
  • Page 14: Overall Connection Diagram(Guide Page)

    No differentiation is made between chip capacitors and 0.022 R022 discrete capacitors. The > mark found on some component parts indicates the importance of the safety factor of the part. > Therefore, when replacing, be sure to use parts of identical designation. CN1801 DEH-P3700MP/XU/UC...
  • Page 15 CD-DA, MP3 : 10.3dB R CH REAR L CH FM(30%) : -6.66dB > AM(30%) : -6.66dB IP-BUS : 9.54dB CD-DA, MP3 : 9.54dB BEEP dsens 600µH BACKUP > B.REM FM(30%) : 20.1dB AM(30%) : 20.1dB IP-BUS : 36.3dB CD-DA, MP3 : 36.3dB DEH-P3700MP/XU/UC...
  • Page 16 DEH-P3700MP/XU/UC...
  • Page 17 DEH-P3700MP/XU/UC...
  • Page 18 DEH-P3700MP/XU/UC...
  • Page 19 DEH-P3700MP/XU/UC...
  • Page 20: Keyboard Unit

    For resistors and capacitors in the circuit diagrams, their resistance values or capacitance values are expressed in codes: Ex. *Resistors Code Practical value 12k ohms 10k ohms *Capacitors Code Practical value 0.01uF 101/10 100uF/10V 5.00MHz LCD DRIVER/ KEY CONTROLLER YAW5015 DEH-P3700MP/XU/UC...
  • Page 21 KEYBOARD UNIT DISPLAY CN832 40mA,14V FUNCTION DEH-P3700MP/XU/UC...
  • 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-P3700MP/XU/UC...
  • Page 23 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) 3.3V REGULATOR SRAMLEVEL2 MICRO COMPUTER 3V REGULATOR CN721 SRAMLEVEL1 SRAMLEVEL0 TYPE_A/D & DEH-P3700MP/XU/UC...
  • Page 24 DEH-P3700MP/XU/UC...
  • Page 25 DEH-P3700MP/XU/UC...
  • Page 26 DEH-P3700MP/XU/UC...
  • Page 27 DEH-P3700MP/XU/UC...
  • Page 28 7 SIN 500mV/div 200mV/div 1V/div @ TE 500mV/div 9 TIN 500mV/div CD-ROM play operation(Regular track Jump) Spindle waveform during play operation Spindle waveform during play operation (Wider) Ref.: Ref.: Ref.: REFO REFO REFO Mode: Mode: Mode: Normal Normal Normal DEH-P3700MP/XU/UC...
  • Page 29 500mV/div 4 LOEJ 3 12SNS 9 TIN 5V/div 5V/div 500mV/div 4 LOEJ 5V/div 12 cm CD Eject operation 8 cm CD Eject operation CD-DA >> CD-ROM mode change(Band key) Ref.: Ref.: Ref.: REFO Mode: Mode: Mode: Normal Normal Normal DEH-P3700MP/XU/UC...
  • Page 30 % 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-P3700MP/XU/UC...
  • Page 31 DEH-P3700MP/XU/UC...
  • Page 32: Pcb Connection Diagram

    For further information for respective destinations, be sure WIRED REMOTE CONTROL to check with the schematic dia- CORD ASSY gram. 2.Viewpoint of PCB diagrams Capacitor Connector IP-BUS SIDE A SIDE B P.C.Board Chip Part CN901 DEH-P3700MP/XU/UC...
  • Page 33 SIDE A REAR OUTPUT FRONT OUTPUT ORD ASSY ANTENNA CN1801 FRONT DEH-P3700MP/XU/UC...
  • Page 34 TUNER AMP UNIT DEH-P3700MP/XU/UC...
  • Page 35 SIDE B DEH-P3700MP/XU/UC...
  • Page 36: Keyboard Unit

    4.2 KEYBOARD UNIT FUNCTION KEYBOARD UNIT SIDE A LCD1801 DEH-P3700MP/XU/UC...
  • Page 37 KEYBOARD UNIT SIDE B CN832 DEH-P3700MP/XU/UC...
  • 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-P3700MP/XU/UC...
  • Page 39 CD CORE UNIT(S10.1) SIDE B 12EJ DSCSNS DEH-P3700MP/XU/UC...
  • Page 40: Electrical Parts List

    D 751 (A,13,62) Diode HZS9L(A1) R 111 (B,32,118) RS1/16S222J R 113 (A,39,80) RS1/16S332J D 801 (B,117,26) Diode UMZ6R8EN R 114 (A,40,77) RS1/16S562J D 803 (B,63,23) Diode UDZS10(B) R 211 (A,101,72) RAB4C102J D 811 (B,77,16) Diode UMZ6R8N R 271 (A,107,92) RS1/16S101J DEH-P3700MP/XU/UC...
  • Page 41 C 107 (A,48,60) CKSRYB472K50 C 108 (B,42,61) CCSRCH680J50 R 621 (B,116,41) RS1/16S104J C 201 (B,118,76) CKSRYB105K10 R 622 (B,119,41) RS1/16S104J C 202 (B,118,71) CKSRYB105K10 R 623 (B,121,41) RS1/16S104J C 203 (A,63,76) CEJQ1R0M50 R 624 (A,108,46) RS1/16S681J R 625 (A,108,47) RS1/16S681J DEH-P3700MP/XU/UC...
  • Page 42 (B,82,48) CCSRCH680J50 RESISTORS C 651 (A,61,68) CKSRYB105K10 C 712 (B,35,27) CCSRCH101J50 C 731 (A,64,51) CCSQCH222J50 R 1801 (B,23,43) RS1/16S222J C 732 (A,59,51) CCSQCH222J50 R 1802 (B,20,43) RS1/16S222J C 733 (A,64,55) CCSQCH102J50 R 1803 (B,22,33) RS1/16S151J R 1804 (B,22,31) RS1/16S181J DEH-P3700MP/XU/UC...
  • Page 43 (B,45,54) RS1/16SS221J RESISTORS R 901 (B,52,65) RAB4CQ221J R 101 (A,22,24) RS1/10SR2R4J R 905 (B,54,60) RS1/16SS221J R 102 (A,22,26) RS1/10SR2R4J R 906 (B,56,68) RS1/16SS221J R 103 (A,25,25) RS1/10SR2R7J R 908 (B,45,69) RS1/16SS0R0J R 201 (A,53,16) RS1/16SS102J R 910 (B,44,69) RS1/16SS0R0J DEH-P3700MP/XU/UC...
  • Page 44 C 712 (A,22,42) CKSRYB224K16 C 714 (B,60,45) CKSSYB104K10 C 716 (A,61,40) CKSSYB103K16 C 722 (B,52,48) CKSQYB475K6R3 C 723 (A,26,41) CKSRYB105K10 C 903 (B,56,70) CKSSYB471K50 C 906 (A,40,77) CKSRYB224K16 C 907 (A,47,76) CKSSYB103K16 C 910 (B,60,71) CKSQYB225K10 Miscellaneous Parts List DEH-P3700MP/XU/UC...
  • Page 45: Adjustment

    1k ohms in series. • The load and eject operation is not guarantied with the mechanism upside down. If the mechanism is blocked due to mistaken eject operation, reset the product or turn off and on the ACC to restore it. DEH-P3700MP/XU/UC...
  • Page 46 → → TYP(1X) TYP(2X) TRK 22 MIN 22 SEC 22 TRK 11 MIN 11 SEC 11 TRK 11 MIN 11 SEC 11 TRK 22 MIN 22 SEC 22 As for the double speed (2x), audio output cannot be supported DEH-P3700MP/XU/UC...
  • Page 47: Checking The Grating After Changing The Pickup Unit

    Because of eccentricity in the disc and a slight misalignment of the clamping center the grating waveform may be seen to "wobble" ( the phase difference changes as the disc rotates). The angle specified above indicates the average angle. • Hint Reloading the disc changes the clamp position and may decrease the "wobble". DEH-P3700MP/XU/UC...
  • Page 48 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90° DEH-P3700MP/XU/UC...
  • Page 49: Error Mode

    If TOC can’t be read, error wouldn’t occur, but mechanism still continues its operation. The upper digits of error code is mainly classified by 3 kinds as follows: 1x: Setup related error, 3x: Search related error, Ax: Other errors. DEH-P3700MP/XU/UC...
  • Page 50: System Microcomputer Test Program

    TESTIN (Pin 5) terminal to H. The clock signal is output from the PCL terminal (Pin 62). The frequency of the clock signal is 786.432kHz that is one 16th of the fundamental frequency. The clock signal should be 786.432kHz ± 32Hz. If the clock signal is out of the range, the X'tal (X601) should be replaced with new one. DEH-P3700MP/XU/UC...
  • Page 51: General Information

    Grille Assy. Grille Assy Fig.1 Removing the Tuner Amp Unit (Fig.2) Remove the screw. Remove the three screws. Straighten the tabs at three locations indicated. Remove the screw and then remove the Tuner Amp Unit. Tuner Amp Unit Fig.2 DEH-P3700MP/XU/UC...
  • Page 52 Caution: Before installing the carriage mechanism in the frames, be sure to apply some alcohol to the dampers and set the mechanism to the clamp mode. Carriage Mechanism Damper Lower Frame Damper Damper DEH-P3700MP/XU/UC...
  • Page 53 Caution: In assembling, move the planet gear to the load/eject position before setting the feed screw in the inner holder. Washer Pickup Lock Arm Change Arm Styling Holder Feed Screw Inner Holder Planet Gear DEH-P3700MP/XU/UC...
  • Page 54: Connector Function Description

    7.1.2 CONNECTOR FUNCTION DESCRIPTION POWER SUPPLY, SPEAKER OUTPUT Pin No. Pin No. B.REM B.UP IP-BUS Pin No. Pin No. BUS L+ INPUT BUS+ ASENB BUS R+ INPUT BUS R- INPUT BUS L- INPUT BUS- DEH-P3700MP/XU/UC...
  • Page 55: Parts

    P-BUS : Serial clock output TSCK/BSCK P-BUS : Serial data input TSI/BSI P-BUS : Serial data output P-BUS : Reset output BRST Not used 69,70 IP-BUS : Slave power supply control output ASENSBO Not used EMUTE TEST TUNER : Signal level input DEH-P3700MP/XU/UC...
  • Page 56 Beep tone output BEEP * PE5467A IC's marked by * are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. HA12240FP BD4834G BUS+ BUS- BIAS DRIVER OUTPUT Vref RECEIVER OUTPUT DEH-P3700MP/XU/UC...
  • Page 57 Key data output MODA Crystal oscillator connection pin Crystal oscillator connection pin 25,26 KDT2,3 Key data input Not used KST4 Key strobe output 29-32 Not used 33-55 SEG35-13 LCD segment output Power supply 57-64 SEG12-5 LCD segment output * PD6340A NJM2388F84 DEH-P3700MP/XU/UC...
  • Page 58 Output of DRAM ras cas)(LDQM) Output of DRAM lower cas(LDQM) cas!(UDQM) Output of DRAM upper cas(UDQM) Output of DRAM we oe(cas) Output of DRAM oe(cas) D.GND Ground for digital circuits 73-88 RDB0-15 Input/output of DRAM data0-15 89-99 RA0-10 Output of DRAM address0-10 DEH-P3700MP/XU/UC...
  • Page 59 Connected to the capacitor for output of REFOUT Reversal input of FE Output of FE ADIN Input of FE, TE A/D converter Reversal input of TE Output of TE Output of LD Input of PD D.GND Ground for digital circuits * UPD63763GJ DEH-P3700MP/XU/UC...
  • Page 60 CD mute control output 56-58 Not used CD LSI chip selection output Not used xwait CD LSI write control signal input CLKOUT Internal system clock output(Open) LOCK Spindle lock input Not used xwrite CD LSI write control signal output Not used DEH-P3700MP/XU/UC...
  • Page 61 CD-DA analog/digital output change setup testin Chip check test program starting input HOME Home SW sense input TEMP Temperature information sense input VDSENS VD power supply short sense input Not used * PE5454A Format Meaning CMOS NJM2885DL1-33 Thermal Protection Bandgap Reference DEH-P3700MP/XU/UC...
  • Page 62 22 AUDIOGND audio ground Ground of audio block 23 L ch O L channel output FM stereo “L-ch” signal output or AM audio output 24 R ch O R channel output FM stereo “R-ch” signal output or AM audio output DEH-P3700MP/XU/UC...
  • Page 63: Display

    7.2.2 DISPLAY - LCD(YAW5015) DEH-P3700MP/XU/UC...
  • Page 64: Operational Flow Chart

    In case of the above signal, the communication with Grille microcomputer may fail. Source keys If the time interval is not 300msec, the oscillator operative may be defective. Source ON SYSPW←H Pin 21 Completes power-on operation. (After that, proceed to each source operation) DEH-P3700MP/XU/UC...
  • Page 65: 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-P3700MP/XU/UC...
  • Page 66: Operations

    8. OPERATIONS DEH-P3700MP/XU/UC...
  • Page 67 DEH-P3700MP/XU/UC...
  • Page 68 DEH-P3700MP/XU/UC...
  • Page 69 DEH-P3700MP/XU/UC...
  • Page 70 DEH-P3700MP/XU/UC...
  • Page 71 DEH-P3700MP/XU/UC...
  • Page 72 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-P3700MP/XU/UC...
  • Page 73 DEH-P3700MP/XU/UC...
  • Page 74 - Jigs List Name Jig No. Remarks Test Disc TCD-782 Checking the grating L.P.F. Checking the grating g (Two pieces) DEH-P3700MP/XU/UC...

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