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Pioneer deh-3700mp Service Manual

High power cd/mp3/wma player with fm/am tuner.
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HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER
DEH-3700MP
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-3700MP/XU/UC
Remarks
ORDER NO.
CRT3397
/XU/UC
K-ZZA. DEC. 2004 Printed in Japan

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Table of Contents

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   Summary of Contents for Pioneer deh-3700mp

  • 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

    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-3700MP/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-3700MP/XU/UC...
  • Page 4: Table Of Contents

    7. GENERAL INFORMATION ..........................50 7.1 DIAGNOSIS ............................. 50 7.1.1 DISASSEMBLY ............................. 50 7.1.2 CONNECTOR FUNCTION DESCRIPTION ..................53 7.2 PARTS..............................54 7.2.1 IC ................................54 7.2.2 DISPLAY ............................... 62 7.3 OPERATIONAL FLOW CHART ....................... 63 7.4 CLEANING............................... 64 8. OPERATIONS ..............................65 DEH-3700MP/XU/UC...
  • Page 5: Specifications

    1. SPECIFICATIONS DEH-3700MP/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-3700MP/XU/UC...
  • Page 7 16-3 Caution Card CRP1294 Screw TRZ50P080FTC 16-4 Caution Card CRP1310 Polyethylene Bag CEG-158 16-5 Card ARY1048 Handle CNC5395 Bush CNV3930 Cord Assy XDE7008 Polyethylene Bag CEG1173 Owner's Manual,Installation Manual Part No. Language YRD5020 English, French, Spanish YRD5023 English, French, Spanish DEH-3700MP/XU/UC...
  • Page 8: Exterior

    2.2 EXTERIOR 68 27 20 21 DEH-3700MP/XU/UC...
  • Page 9 YAA5001 Button(DETACH) YAC5027 Button(SOURCE) YAC5030 Button(1-6, LOCAL/BSM) YAC5031 Button(AUDIO, LOUDNESS) YAC5032 Button(BAND) YAC5033 Button(EJECT, DISPLAY) YAC5034 Button(DOWN, RIGHT) YAC5035 Button(UP, LEFT) YAC5036 Button(CLOCK, EQ) YAC5039 Spring YBL5001 Cover YNS5038 Connector(CN1801) CKS4943 Sheet CNM7932 Connector CNV7369 LCD(LCD1801) YAW5015 Holder YNC5005 DEH-3700MP/XU/UC...
  • Page 10: Cd Mechanism Module

    2.3 CD MECHANISM MODULE 1GEM1024 2GEM1045 3GEM1035 DEH-3700MP/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-3700MP/XU/UC...
  • Page 12: Block Diagram And Schematic Diagram

    IC 701 BRST,BRXEN,BSRQ XSI,XSCK,CLAMSW,VDCONT,XAO PE5454A BA5835FP BDATA,BSCK Q991 B.UP Q992 12EJ VDCONT DSCSNS CD3VON HOME VDCONT VDCONT S904 S905 S903 S901 3V REGULATOR 12EJ DSCSNS HOME 3VDD IC 703 IC 203 S-812C33AUA-C2N V3R3D NJM2885DL1-33 3.3V REGULATOR Q993 Q994 CD3VON CD3VCONT DEH-3700MP/XU/UC...
  • Page 13: Keyboard Unit

    SOURCE SOURCE DSENS DSENS DSENS Q821 B.UP Q822 KEY MATRIX ILMPW SWVDD IL1801 LAMP S1827 ROT1 ROT1 ROT0 ROT0 KEY DATA VOLUME X1801 5MHz DPDT DPDT DPDT LCD DRIVER/ KYDT KEY CONTROLLER KYDT KYDT IC 1801 VLCD PD6340A LCD1801 DEH-3700MP/XU/UC...
  • Page 14: Overall Connection Diagram(guide Page)

    12k ohms 10k ohms *Capacitors Code Practical value 0.01uF 101/10 100uF/10V 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. DEH-3700MP/XU/UC...
  • Page 15 TUNER AMP UNIT REAR L CH > REAR R CH FM: 29.6dB AM: 19.1dB CD: 36.45dB CEK1208 TROLLER > isens STRKEY2 bsrq WIRED REMOTE CONTROL DEH-3700MP/XU/UC...
  • Page 16 DEH-3700MP/XU/UC...
  • Page 17 DEH-3700MP/XU/UC...
  • Page 18 DEH-3700MP/XU/UC...
  • Page 19 DEH-3700MP/XU/UC...
  • Page 20: Keyboard Unit

    3.3 KEYBOARD UNIT LCD DRIVER/ KEY CONTROLLER YAW5015 DEH-3700MP/XU/UC...
  • Page 21 KEYBOARD UNIT CN831 40mA,14V DISPLAY DEH-3700MP/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-3700MP/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-3700MP/XU/UC...
  • Page 24 DEH-3700MP/XU/UC...
  • Page 25 DEH-3700MP/XU/UC...
  • Page 26 DEH-3700MP/XU/UC...
  • Page 27 DEH-3700MP/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-3700MP/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-3700MP/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-3700MP/XU/UC...
  • Page 31 DEH-3700MP/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 SIDE A SIDE B P.C.Board Chip Part CN901 DEH-3700MP/XU/UC...
  • Page 33 SIDE A REAR OUTPUT ANTENNA CN1801 FRONT DEH-3700MP/XU/UC...
  • Page 34 TUNER AMP UNIT TEST DEH-3700MP/XU/UC...
  • Page 35 SIDE B DEH-3700MP/XU/UC...
  • Page 36: Keyboard Unit

    4.2 KEYBOARD UNIT KEYBOARD UNIT SIDE A LCD1801 DEH-3700MP/XU/UC...
  • Page 37 KEYBOARD UNIT SIDE B CN831 DEH-3700MP/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-3700MP/XU/UC...
  • Page 39 CD CORE UNIT(S10.1) SIDE B 12EJ DSCSNS DEH-3700MP/XU/UC...
  • Page 40: Electrical Parts List

    R 604 (B,60,75) RS1/16S103J D 912 (A,18,60) Diode HZS6L(B2) R 605 (B,84,21) RS1/16S222J D 931 (A,55,93) Diode HZS7L(C3) R 606 (B,110,41) RS1/16S104J D 932 (A,60,91) Diode HZS7L(A1) R 608 (B,104,63) RS1/16S0R0J D 971 (A,60,104) Diode S5688G R 609 (A,102,47) RD1/4PU473J DEH-3700MP/XU/UC...
  • Page 41 C 963 (A,46,69) CEJQ100M16 R 955 (B,42,76) RS1/16S473J C 982 (B,145,40) CKSRYB103K50 R 961 (B,59,68) RS1/16S102J C 983 (A,147,35) CEJQ220M16 R 962 (B,45,66) RS1/16S822J C 991 (B,20,50) CKSRYB473K50 R 981 (A,136,38) RD1/4PU1R8J C 992 (A,26,60) CEJQ101M16 R 991 (A,13,53) RD1/4PU271J DEH-3700MP/XU/UC...
  • Page 42 (A,35,88) RS1/16SS183J R 1831 (B,33,23) RS1/16S472J R 601 (B,43,59) RS1/16S101J R 1832 (B,35,23) RS1/16S472J R 1834 (B,14,21) RS1/16S473J R 602 (B,41,62) RS1/16S101J R 606 (B,44,67) RS1/16S0R0J CAPACITORS R 607 (B,43,56) RS1/16SS0R0J R 608 (B,36,67) RS1/16SS0R0J R 705 (B,50,59) RS1/16SS221J DEH-3700MP/XU/UC...
  • Page 43 C 216 (A,25,8) CKSSYB332K50 C 217 (A,28,12) CKSSYB104K10 C 218 (A,25,7) CKSSYB473K10 C 219 (A,34,7) CKSSYB104K10 C 220 (A,33,11) CKSSYB182K50 C 221 (B,35,6) CKSSYB104K10 C 222 (B,35,8) CCSSCH560J50 C 223 (B,33,8) CCSSCH4R0C50 C 224 (B,40,16) CKSSYB104K10 C 225 (B,45,14) CKSSYB103K16 DEH-3700MP/XU/UC...
  • Page 44: 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-3700MP/XU/UC...
  • Page 45 → → 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-3700MP/XU/UC...
  • Page 46: 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-3700MP/XU/UC...
  • Page 47 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90° DEH-3700MP/XU/UC...
  • Page 48: 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-3700MP/XU/UC...
  • Page 49: System Microcomputer Test Program

    TESTIN (Pin 15) terminal to H. The clock signal is output from the PCL terminal (Pin 14). The frequency of the clock signal is 786.432kHz that is one 16th of the fundamental frequency. The clock signal should be 786.432kHz ± 31.5Hz. If the clock signal is out of the range, the X'tal (X601) should be replaced with new one. DEH-3700MP/XU/UC...
  • Page 50: General Information

    Release the two latchs and then remove the Grille Assy. Fig.1 Grille Assy Removing the Tuner Amp Unit (Fig.2) Remove the screw. Straighten the tabs at three locations indicated. Remove the three screws and then remove the Tuner Amp Unit. Tuner Amp Unit Fig.2 DEH-3700MP/XU/UC...
  • Page 51 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-3700MP/XU/UC...
  • Page 52 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-3700MP/XU/UC...
  • Page 53: Connector Function Description

    7.1.2 CONNECTOR FUNCTION DESCRIPTION Pin No. Pin No. B.UP B.REM DEH-3700MP/XU/UC...
  • Page 54: Parts

    Not used TUNPCE2 PLL chip enable output 2 TUNPCE PLL chip enable output RDS LK input (Not used) RDSLK RDS clock input (Not used) RDS57K RDS 57K input (Not used) RESET Reset LDET PLL lock detection input RDS clock input DEH-3700MP/XU/UC...
  • Page 55 VD power supply short circuit input DISC loading detection input DISCSENS STRKEY1 Wired remote control input * PE5460A IC's marked by * are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. BA33BC0FP Vref Vref DEH-3700MP/XU/UC...
  • Page 56 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 Vref DEH-3700MP/XU/UC...
  • Page 57 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-3700MP/XU/UC...
  • Page 58 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-3700MP/XU/UC...
  • Page 59 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-3700MP/XU/UC...
  • Page 60 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-3700MP/XU/UC...
  • Page 61 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-3700MP/XU/UC...
  • Page 62: Display

    7.2.2 DISPLAY - LCD(YAW5015) DEH-3700MP/XU/UC...
  • Page 63: Operational Flow Chart

    In case of the above signal, the communication Source keys with Grille microcomputer may fail. operative If the time interval is not 300msec, the oscillator may be defective. Source ON SYSPW←H Pin 43 Completes power-on operation.(After that, proceed to each source operation.) DEH-3700MP/XU/UC...
  • 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-3700MP/XU/UC...
  • Page 65: Operations

    8. OPERATIONS DEH-3700MP/XU/UC...
  • Page 66 DEH-3700MP/XU/UC...
  • Page 67 DEH-3700MP/XU/UC...
  • Page 68 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-3700MP/XU/UC...
  • Page 69 DEH-3700MP/XU/UC...
  • Page 70 - Jigs List Name Jig No. Remarks Test Disc TCD-782 Checking the grating L.P.F. Checking the grating g (Two pieces) DEH-3700MP/XU/UC...

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