Pioneer DEH-7 Service Manual
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Pioneer DEH-7 Service Manual

Pioneer DEH-7 Service Manual

High power cd player with am/fm tuner
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See also: Owner's Manual , Operating Manual
HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-1700
DEH-7
This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-3110
CRT3178
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
/XN/UC
Mech.Module
S10.1
CD Mech. Module:Circuit Description, Mech. Description, Disassembly
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
DEH-1700/XN/UC
/XN/UC
Remarks
ORDER NO.
CRT3376
K-ZZW. OCT. 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-ZZW.

  • 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-1700/XN/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-1700/XN/UC...

  • Page 4: Table Of Contents

    SAFETY INFORMATION ............................. 2 1. SPECIFICATIONS ............................5 2. EXPLODED VIEWS AND PARTS LIST ......................8 2.1 PACKING ..............................8 2.2 EXTERIOR (DEH-1700/XN/UC) ......................10 2.3 EXTERIOR (DEH-7/XN/UC) ........................12 2.4 CD MECHANISM MODULE........................14 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..................16 3.1 BLOCK DIAGRAM ...........................

  • Page 5: Specifications

    1. SPECIFICATIONS DEH-1700/XN/UC...
  • Page 6 DEH-1700/XN/UC...
  • Page 7 DEH-1700/XN/UC...

  • Page 8: 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-1700/XN/UC...
  • Page 9 Protector CHP2868 16-1 Owner's Manual(DEH-1700) CRD3906 Screw CBA1650 Polyethylene Bag CEG-127 16-2 Owner's Manual(DEH-7) CRD3908 Screw CRZ50P090FTC 16-3 Installation Manual(DEH-1700) CRD3907 Screw TRZ50P080FTC 16-4 Installation Manual(DEH-7) CRD3909 Polyethylene Bag CEG-158 16-5 Caution Card CRP1294 16-6 Caution Card CRP1310 Handle CNC5395...

  • Page 10: Exterior (Deh-1700/Xn/Uc)

    2.2 EXTERIOR (DEH-1700/XN/UC) DEH-1700/XN/UC...
  • Page 11 EXTERIOR (DEH-1700/XN/UC) SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Cover CNM6276 Screw BSZ26P060FTC Screw BSZ26P100FTC Panel CNS8044 Cable CDE7702 CNV4692 Cord Assy XDE7008 CNV4728 Panel CNS8046 CNV5576 Screw IMS20P030FZK Case CNB2793 Holder CNC8659 Chassis Unit...

  • Page 12: Exterior (Deh-7/Xn/Uc)

    2.3 EXTERIOR (DEH-7/XN/UC) DEH-1700/XN/UC...
  • Page 13 CAC8930 Cover CNM9159 Holder CNV8212 CAW1848 Connector(CN1801) CKS3580 Holder CND2412 Sheet CNM9144 Lighting Conductor CNV8190 Rubber CNV8191 Connector CNV8192 Grille Unit CXC3595 Chassis Unit CXC3600 CD Mechanism Module(S10) CXK5605 Screw ISS26P055FTC IC(IC302) TDA7384 Transistor(Q921,991) 2SD2396 Screw BMZ40P140FTC Holder CNV7619 DEH-1700/XN/UC...

  • Page 14: Cd Mechanism Module

    2.4 CD MECHANISM MODULE 1GEM1024 2GEM1045 3GEM1035 DEH-1700/XN/UC...
  • Page 15 CND2712 Bracket CND1895 Screw JFZ20P020FTC CNC9968 Screw JGZ17P022FTC CND1909 ••••• Lever CND2032 Washer YE20FTC Pickup Unit(P10)(Service) CXX1641 Lever CNC9984 Sheet CNM8134 Screw IMS26P030FTC Collar CNV7798 Spring CBL1635 Guide CNV7799 Clamper CNV8372 CNV8403 Rack CNV8374 Holder CNV8376 Holder CNV8377 CNV8378 DEH-1700/XN/UC...

  • Page 16: Block Diagram And Schematic Diagram

    FD, TD, SD, MD UPD63712AGC LOEJ TC7SET08FU LIMIT CONT ACT,MOTOR SPINDLE DISCSENS DRIVER MOTOR HOME VDSENS LCOM LOADING/ CARRIAGE LOEJ MOTOR LCOP LOEJ CONT CONT B.UP IC 301 BA5835FP DSCSNS VDSENS Q991 B.UP 12EJ DSCSNS 3.3V REGULATOR 3R3V IC 701 Q992 NJM2885DL1-33 DEH-1700/XN/UC...
  • Page 17 ACC SENSE IC 551 B.UP B.REM TPD1018F ANTPW B.UP ELECTRONIC VOLUME/ SOURCE SELECTOR POWER AMP 6,20 TUN L IN1-L IC 302 TDA7386(DEH-1700) IC 151 TDA7384(DEH-7) FLIN PML010A RLIN CD L IN2-L MUTE STBY VST,VCK,VDT MUTE SYS 8.4V REGULATOR Q921 Q452 Q923 B.UP...

  • Page 18: Overall Connection Diagram(Guide Page)

    No differentiation is made between chip capacitors and 0.022 R022 CN1801 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. DEH-1700/XN/UC...
  • Page 19 TUNER AMP UNIT > REAR L FM:+2.0dBs 4dBs FM: +2.8dBs AM: -8.9dBs AM: -8.1dBs REAR R CD:+9.8dBs CD:+10.6dBs > CEK1208 BACKUP B.REM RL– FL– RR– FR– FM:+29.3dBs AM:+18.4dBs CD:+36.6dBs DEH-1700/XN/UC...
  • Page 20 DEH-1700/XN/UC...
  • Page 21 DEH-1700/XN/UC...
  • Page 22 DEH-1700/XN/UC...
  • Page 23 DEH-1700/XN/UC...

  • Page 24: Keyboard Unit

    3.3 KEYBOARD UNIT DEH-1700/XN/UC...
  • Page 25 KEYBOARD UNIT CN831 CEL1651 (GREEN) CEL1651 (GREEN) D1803-D1809 : SML-310PT DEH-1700/XN/UC...

  • Page 26: Cd Mechanism Module

    3.4 CD MECHANISM MODULE PICKUP UNIT(P10)(SERVICE) MOTOR DRIVER CXC4440 SPINDLE MOTOR CXB8933 LOADING/CARRIAGE MOTOR 3.3V REGULATOR DEH-1700/XN/UC...
  • Page 27 S904:12EJ SWITCH.....ON-OFF S905:8EJ SWITCH....ON-OFF The underlined indicates the switch position. SIGNAL LINE RF AMP / SERVO / DSP DAC / LPF FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE CD CORE UNIT(S10) CN651 7.5V 7.5V DEH-1700/XN/UC...
  • Page 28 # RFAGC 500mV/div 200ms/div 500mV/div 2ms/div 1V/div 500µs/div ! FE # RFAGC 0 TE 500mV/div 500mV/div 500mV/div 7 TIN 500mV/div Focus Search When "Tracking Open" 1 Track Jump Ref.: Ref.: Ref.: REFO REFO REFO Mode: Mode: Mode: TEST TEST TEST DEH-1700/XN/UC...
  • Page 29 1V/div 200µs/div 5V/div 200ms/div 5V/div 200ms/div % ROUT 2 CLCONT 2 CLCONT 1V/div 5V/div 5V/div 3 LOEJ 3 LOEJ 5V/div 5V/div Analog Audio When "Eject"(12cm CD) When "Eject"(8cm CD) Ref.: Ref.: Ref.: AGND Mode: Mode: Mode: Normal Normal Normal DEH-1700/XN/UC...

  • Page 30: Pcb Connection Diagram

    For further information for respective destinations, be sure to check with the schematic dia- gram. Cord Assy 2.Viewpoint of PCB diagrams Capacitor Connector SIDE A SIDE B P.C.Board Chip Part CN701 CN1801 DEH-1700/XN/UC...
  • Page 31 SIDE A ANTENNA CN1801 FRONT DEH-1700/XN/UC...
  • Page 32 TUNER AMP UNIT DEH-1700/XN/UC...
  • Page 33 SIDE B DEH-1700/XN/UC...

  • Page 34: Keyboard Unit

    4.2 KEYBOARD UNIT KEYBOARD UNIT SIDE A DEH-1700/XN/UC...
  • Page 35 KEYBOARD UNIT SIDE B CN831 DEH-1700/XN/UC...

  • Page 36: Cd Core Unit(S10)

    4.3 CD CORE UNIT(S10) CD CORE UNIT(S10) SIDE A LOADING /CARRIAGE MOTOR SPINDLE MOTOR CN651 HOME REFO1 DEH-1700/XN/UC...
  • Page 37 CD CORE UNIT(S10) SIDE B 12EJ DSCSNS DEH-1700/XN/UC...

  • Page 38: Electrical Parts List

    D 551 (A,63,126) Diode MPG06G-6415G3 D 552 (A,60,126) Diode MPG06G-6415G3 R 601 (B,102,58) (DEH-1700) RS1/16S473J D 831 (A,110,21) Diode(DEH-1700) 1SS270 R 602 (B,109,56) (DEH-7) RS1/16S473J D 832 (A,113,21) Diode(DEH-1700) 1SS270 R 603 (B,95,82) (DEH-7) RS1/16S473J D 833 (A,118,21) Diode(DEH-1700) 1SS270...
  • Page 39 RD1/4PU222J R 834 (A,84,11) RD1/4PU222J C 601 (B,70,83) CKSRYB103K50 R 835 (A,72,19) RD1/4PU102J C 603 (A,102,89) CEJQ4R7M35 R 836 (A,78,22) (DEH-1700) RD1/4PU104J C 604 (B,100,75) CCSRCH200J50 C 605 (B,103,75) CCSRCH200J50 R 837 (A,81,19) (DEH-1700) RD1/4PU103J C 606 (B,110,71) CKSRYB104K16 R 838...
  • Page 40 CAPACITORS C 103 (B,13,8) 100µF/16V CCH1504 C 109 (A,34,12) CKSSYB104K10 C 201 (A,45,19) CKSSYB104K10 C 202 (A,53,21) CKSSYB102K50 C 205 (B,37,36) 22µF/6.3V CCH1507 C 206 (B,40,30) CKSSYB103K16 C 207 (A,46,30) CKSSYB104K10 C 209 (A,46,31) CKSSYB104K10 C 210 (A,41,35) CKSSYB104K10 DEH-1700/XN/UC...

  • Page 41: 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-1700/XN/UC...
  • Page 42 *7) TRK/MIN/SEC → F.AGC → T.AGC Gain → F.bias → RF AGC SPDL 1X / 2X switching (Double-speed compatibility only) *8) CRG motor voltage = 2[V] Gop measurement Forcus Mode switching / Tracking Close / CRG, TR Jump switching DEH-1700/XN/UC...

  • Page 43: 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-1700/XN/UC...
  • Page 44 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90° DEH-1700/XN/UC...

  • Page 45: Error Mode

    Remarks: Mechanical errors are not displayed (because a CD is turned off in these errors). Unreadable TOC does not constitute an error. An intended operation continues in this case. Upper digits of an error code are subdivided as shown below: 1x: Setup relevant errors, 3x: Search relevant errors, Ax: Other errors. DEH-1700/XN/UC...

  • Page 46: 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-1700/XN/UC...

  • Page 47: General Information

    Grille Assy. Fig.1 Grille Assy 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-1700/XN/UC...
  • Page 48 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-1700/XN/UC...
  • Page 49 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-1700/XN/UC...

  • Page 50: Connector Function Description

    7.1.2 CONNECTOR FUNCTION DESCRIPTION Pin No. Pin No. B.REMOTE B.UP DEH-1700/XN/UC...

  • Page 51: Parts

    EEPROM chip enable output 2 TUNPCE1 EEPROM chip enable output 1 RDS demodulation data input (Not used) RDSLK RDS LK signal input (Not used) RDS57K RDS 57kHz pulse count input (Not used) reset Reset input LDET PLL lock sense input DEH-1700/XN/UC...
  • Page 52 VD power supply voltage sense input VDSENS CD DISC sense input DISCSENS STRKEY1 * PE5449A 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-1700/XN/UC...
  • Page 53 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 DEH-1700/XN/UC...
  • Page 54 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 DGND Ground for digital circuits DEH-1700/XN/UC...
  • Page 55 Output of reference voltage REFC Connected to the capacitor for output of REFOUT Reversal input of FE Output of FE ADCIN TEST Reversal input of TE Output of TE AGND Ground for the analog system PWMSW Servo PWM mode switching * UPD63712AGC DEH-1700/XN/UC...
  • Page 56 Output pin for preamplifier for thread OPINLSL Input pin for preamplifier for thread OPOUT3 CH3 preamplifier output pin OPIN3(-) Input pin for inverting input for CH3 preamplifier OPIN3(+) Input pin for non-inverting input for CH3 preamplifier PREVCC PreVcc BA5835FP NJM2885DL1-33 Thermal Protection Bandgap Reference DEH-1700/XN/UC...
  • Page 57 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-1700/XN/UC...

  • Page 58: Display

    7.2.2 DISPLAY - LCD(CAW1848) DEH-1700/XN/UC...

  • Page 59: 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-1700/XN/UC...

  • Page 60: 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-1700/XN/UC...

  • Page 61: Operations

    8. OPERATIONS DEH-1700/XN/UC...
  • Page 62 DEH-1700/XN/UC...
  • Page 63 - CONNECTION DIAGRAM DEH-1700/XN/UC...
  • Page 64 - Jigs List Name Jig No. Remarks Test Disc TCD-782 Checking the grating L.P.F. Checking the grating g (Two pieces) DEH-1700/XN/UC...

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