Pioneer DEH-P640 XN/UC Service Manual
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Pioneer DEH-P640 XN/UC Service Manual

Multi-cd control high power cd player with fm/am tuner
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Service
Manual
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P640
DEH-P6400
DEH-P6450
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-977
CRT2624
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
4. PCB CONNECTION DIAGRAM ................................34
5. ELECTRICAL PARTS LIST ........................................42
6. ADJUSTMENT..........................................................53
For details, refer to "Important symbols for good services".
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC.
PIONEER EUROPE NV
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2001
DEH-P640/XN/UC
Mech. Module Remarks
S9
CD Mech. Module:Circuit Description, Mech.Description, Disassembly
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
XN/UC
XN/ES
7. GENERAL INFORMATION .......................................62
7.1 DIAGNOSIS ........................................................62
7.1.1 DISASSEMBLY .........................................62
7.1.2
7.2 IC ........................................................................67
7.3 OPERATIONAL FLOW CHART ...........................77
7.4 CLEANING ..........................................................78
8. OPERATIONS AND SPECIFICATIONS.....................79
K-ZZY. DEC. 2001 Printed in Japan
ORDER NO.
CRT2807
XN/UC
.......66

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Summary of Contents for Pioneer DEH-P640 XN/UC

  • Page 1: Table Of Contents

    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 C PIONEER CORPORATION 2001 K-ZZY. DEC. 2001 Printed in Japan...
  • Page 2 DEH-P640,P6400,P6450 [ Important symbols for good services ] In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely. When you find the procedures bearing any of the symbols, be sure to fulfill them: 1. Product safety You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual.

  • Page 3: Safety Information

    DEH-P640,P6400,P6450 1. SAFETY INFORMATION CAUTION 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.

  • Page 4: Exploded Views And Parts List

    DEH-P640,P6400,P6450 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING (DEH-P640, P6400)
  • Page 5 DEH-P640,P6400,P6450 NOTE: - Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List. ∇ mark on the product are used for disassembly. - Screws adjacent to - For the applying amount of lubricants or glue, follow the instructions in this manual. ( In the case of no amount instructions, apply as you think it appropriate.) (1) PACKING SECTION PARTS LIST (DEH-P640, P6400) Mark No.
  • Page 6 DEH-P640,P6400,P6450 2.2 PACKING (DEH-P6450)
  • Page 7 DEH-P640,P6400,P6450 - PACKING SECTION PARTS LIST (DEH-P6450) Mark No. Description Part No. Mark No. Description Part No. 1 Cord Assy CDE6438 16 Protector CHP2252 17-1 Owner’s Manual CRD3518 2 Spring CBH1650 3 Remote Control Unit CXB8743 17-2 Owner’s Manual CRD3519 4 Screw CBA1002 17-3 Installation Manual...
  • Page 8 DEH-P640,P6400,P6450 2.3 EXTERIOR...
  • Page 9 DEH-P640,P6400,P6450 (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BMZ30P040FZK 51 Arm CNV6508 2 Screw BMZ30P100FMC 52 Panel Unit CWM7986 3 Screw BSZ26P060FMC 53 Socket(CN1850) CKS3550 4 Screw BSZ30P040FMC 54 Connector(CN1851) CKS4462 5 Cord Assy CDE6438...
  • Page 10 DEH-P640,P6400,P6450 (2) CONTRAST TABLE DEH-P640/XN/UC, DEH-P6400/XN/UC and DEH-P6450/XN/ES are constructed the same except for the following: Part No. Mark No. Symbol and Description DEH-P640/XN/UC DEH-P6400/XN/UC DEH-P6450/XN/ES 18 Tuner Amp Unit CWM8149 CWM8316 CWM8097 25 Panel CNS6935 CNS6934 CNS6935 60 Detach Grille Assy CXB8427 CXB8494 CXB8244...
  • Page 11 DEH-P640,P6400,P6450...
  • Page 12 DEH-P640,P6400,P6450 2.4 CD MECHANISM MODULE GEM1040 GEM1035 GEM1035...
  • Page 13 DEH-P640,P6400,P6450 - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 46 Gear CNV6320 1 Control Unit CWX2481 2 Connector(CN701) CKS1959 47 Arm CNV6322 3 Connector(CN101) CKS3486 48 Arm CNV6323 4 Screw BMZ20P025FMC 49 Arm CNV6324 5 Screw...

  • Page 14: Block Diagram And Schematic Diagram

    DEH-P640,P6400,P6450 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM TUNER AMP UNIT FM/AM TUNER UNIT FM/AM 1ST IF 10.7MHz MPXREF 41kHz CN401 AMRF T51 Q51 CF51 CF52 CF53 AMDET AMANT L ch IC 2 FM MPX R ch ANT1 ADJ COMP MIXER, IF AMP, DET.
  • Page 15 DEH-P640,P6400,P6450 RESET DEH-P6400/XN/UC CN351 IC 961 DEH-P6450/XN/ES DEH-P6400/XN/UC S-80735ANDZI DEH-P6450/XN/ES Q351 DEH-P640/XN/UC DEH-P640/XN/UC Q353 SYSTEM CONTROLLER IC 601(1/2) PD5699A CN352-2 VDD REGULATOR Q911 CN901 BACKUP SENSE FUSE BSENS BACK UP Q931 TUNPCE ASENS TUNPCK ACC SENSE Q932 TUNPCE2 ILL SENSE TUNPDO ISENS ASENBO...
  • Page 16 DEH-P640,P6400,P6450 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(DEH-P640) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. A-a A-b A-a A-b CONTROL UNIT CN701 VD REGULATOR IP-BUS Large size IP-BUS:+2.2dBs SCH diagram Guide page CD:-0.2dBs Detailed page...
  • Page 17 DEH-P640,P6400,P6450 TUNER AMP UNIT LEVEL INDICATOR ELECTRONIC VOLUME, SOURCE SELECTOR MUTE FM:+3.84dBs AM: -6.66dBs IP-BUS:+8.54dBs CD:+9.14dBs REAR R CH REAR L CH PML009A FM: +2.6dBs AM: -7.9dBs IP-BUS: +7.3dBs CD: +7.9dBs FRONT L CH MUTE FRONT 5dBs R CH 0dBs 2dBs 2dBs MUTE...
  • Page 18 DEH-P640,P6400,P6450...
  • Page 19 DEH-P640,P6400,P6450 A-a B...
  • Page 20 DEH-P640,P6400,P6450...
  • Page 21 DEH-P640,P6400,P6450...
  • Page 22 DEH-P640,P6400,P6450 3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(DEH-P6400, P6450) A-a A-b A-a A-b CONTROL UNIT CN701 VD REGULATOR IP-BUS IP-BUS:+2.2dBs CD:-0.2dBs IP-BUS DRIVER NOTE : Symbol indicates a resistor. Decimal points for resistor No differentiation is made between chip resistors and and capacitor fixed values FM: -20.5 discrete resistors.
  • Page 23 DEH-P640,P6400,P6450 TUNER AMP UNIT LEVEL INDICATOR ELECTRONIC VOLUME, SOURCE SELECTOR MUTE FM:+10.1dBs AM: -0.4dBs IP-BUS:+8.54dBs CD:+9.14dBs REAR R CH REAR L CH PML008A FRONT FM: +2.6dBs L CH AM: -7.9dBs MUTE IP-BUS: +7.3dBs CD: +7.9dBs FRONT 5dBs R CH 0dBs 2dBs 2dBs MUTE...
  • Page 24 DEH-P640,P6400,P6450...
  • Page 25 DEH-P640,P6400,P6450 A-a B...
  • Page 26 DEH-P640,P6400,P6450...
  • Page 27 DEH-P640,P6400,P6450...
  • Page 28 DEH-P640,P6400,P6450 3.4 KEYBOARD UNIT CN1851 3.3V REGULATOR REMOTE CONTROL SENSOR VOLUME DISP/SCRL CL170PGCD PAUSE SFEQ ← CL170PGCD BAND/ESC...
  • Page 29 DEH-P640,P6400,P6450 KEYBOARD UNIT FONT ROM KEY CONTROL AND OEL CONTROL DEH-P640/XN/UC DEH-P6400/XN/UC DEH-P6450/XN/ES IC1902 PD8089A PD8088A PD8088A OEL UNIT MXS8017...
  • Page 30 DEH-P640,P6400,P6450 3.5 CD MECHANISM MODULE CONTROL UNIT PICKUP UNIT(SERVICE)(P9) RF AMP CN101 ACT/MOTOR DRIVER SPINDLE M1 CXB6007 LOADING/CARRIAGE M2 CXB5903 5V REGULATOR...
  • Page 31 DEH-P640,P6400,P6450 SERVO CONTROL/DSP/DAC/LPF TC9495F2 16.934MHz SWITCHES: CONTROL UNIT S901 : HOME SWITCH..ON-OFF S902 : CLAMP SWITCH..ON-OFF S903 : DSCSNS SWITCH..ON-OFF S904 : 12EJ SWITCH..ON-OFF S905 : 8EJ SWITCH..ON-OFF The underlined indicates the switch position. CN701 CN653...
  • Page 32 DEH-P640,P6400,P6450 Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage VREF:2.1V - Waveforms 5 CH1:FD 1 CH1:DSCSNS 5V/div. 1 CH1:DSCSNS 5V/div. 500mV/div. 6 CH2:FOK 2 CH2:CLCONT 2 CH2:CLCONT 5V/div. 500ms/div. 5V/div. 5V/div. 500ms/div. 500ms/div. 7 CH3:MD 3 CH3:LOEJ 3 CH3:LOEJ 5V/div.
  • Page 33 DEH-P640,P6400,P6450 5 CH1:FD % CH1:RFO % CH1:RFO 1V/div. 1V/div. 1V/div. 200ms/div. 0 CH2:TE ^ CH2:FOP 0 CH2:TE 500µs/div. 1V/div. 5ms/div. 2V/div. 500mV/div. ! CH3:TD ! CH3:TD 1V/div. 1V/div. With no disk inserted 32 Track Jump During "Focus Close" 1 Track Jump Ref.

  • Page 34: Pcb Connection Diagram

    DEH-P640,P6400,P6450 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT TUNER AMP UNIT CORD ASSY CORD ASSY (OUTPUT,POWER (PREOUT) SUPPLY) NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic dia- gram.
  • Page 35 DEH-P640,P6400,P6450 SIDE A IC,Q PRE OUT RL RR 18 20 22 24 8 10 12 14 IP-BUS 17 19 21 23 25 9 11 13 ANTENNA JACK 12 14 11 13 FRONT CN1850 CN701...
  • Page 36 DEH-P640,P6400,P6450 TUNER AMP UNIT IC,Q...
  • Page 37 DEH-P640,P6400,P6450 SIDE B...
  • Page 38 DEH-P640,P6400,P6450 4.2 PANEL UNIT PANEL UNIT PANEL UNIT SIDE B SIDE A CN1901 CN801 EJECT...
  • Page 39 DEH-P640,P6400,P6450 4.3 KEYBOARD UNIT SIDE A SIDE B KEYBOARD UNIT KEYBOARD UNIT ← CN1851 OEL UNIT OEL UNIT...
  • Page 40 DEH-P640,P6400,P6450 4.4 CD MECHANISM MODULE CONTROL UNIT SIDE A DSCSNS 12EJ HOME...
  • Page 41 DEH-P640,P6400,P6450 CONTROL UNIT SIDE B CLAMP...

  • Page 42: Electrical Parts List

    DEH-P640,P6400,P6450 5. ELECTRICAL PARTS LIST NOTES: - 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..=====Circuit Symbol and No.===Part Name Part No.
  • Page 43 DEH-P640,P6400,P6450 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S162J RS1/16S104J RS1/16S0R0J RS1/16S0R0J RS1/16S0R0J RS1/16S0R0J RS1/16S0R0J RS1/16S102J RS1/16S0R0J RS1/16S0R0J RS1/16S101J RS1/16S0R0J RS1/16S101J RS1/16S222J RS1/16S101J RS1/16S222J RS1/16S101J RS1/16S0R0J RS1/16S101J RS1/16S332J RS1/16S101J RS1/16S1R0J...
  • Page 44 DEH-P640,P6400,P6450 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CAPACITORS CCSRCH180J50 CCSRCH220J50 CKSRYB104K16 CKSRYB104K16 CKSRYB103K50 CKSRYB104K16 CEJQ470M10 CKSRYB104K16 CKSRYB104K16 CKSRYB104K16 CKSRYB104K16 CKSRYB103K25 CKSRYB473K25 CKSRYB104K16 CKSYB105K25 CKSRYB474K10 CEJQ470M16 CKSRYB474K10 CCSRCH101J50 4.7µF CCG1111...
  • Page 45 DEH-P640,P6400,P6450 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Transistor 2SC2412K RS1/16S0R0J Transistor IMD2A RS1/16S0R0J Transistor IMD2A RS1/16S272J Transistor 2SD2396 RS1/16S272J Diode Network DA204U RS1/16S162J Diode Network DA204U RS1/16S162J Diode DAN202U...
  • Page 46 DEH-P640,P6400,P6450 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S0R0J RD1/4PU102J RS1/16S104J RD1/4PU221J RS1/16S104J RD1/4PU221J RS1/16S102J RS1/16S472J RS1/16S104J RS1/16S222J RS1/16S104J RS1/16S0R0J RS1/16S473J RAB4C102J RS1/16S0R0J CAPACITORS RS1/16S0R0J RS1/16S102J CKSRYB104K16 RS1/16S0R0J CKSRYB104K16 RS1/16S0R0J...
  • Page 47 DEH-P640,P6400,P6450 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CEJQ220M10 Transistor DTC114EK CKSRYB223K50 Transistor 2SB1238 CKSRYB223K50 Transistor IMX1 CKSRYB472K50 Transistor 2SC2412K CKSRYB103K50 Transistor 2SA1037K CEJQ4R7M35 Transistor 2SC2412K CKSRYB102K50 Transistor IMD2A CKSRYB472K50...
  • Page 48 DEH-P640,P6400,P6450 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S104J RS1/16S473J RS1/16S563J RS1/16S472J RS1/16S563J RS1/16S473J RS1/16S474J RS1/16S104J RS1/16S474J RS1/16S473J RS1/16S0R0J RS1/16S0R0J RS1/16S0R0J RS1/16S104J RS1/16S272J RS1/16S104J RS1/16S272J RS1/16S102J RS1/16S162J RS1/16S104J RS1/16S162J RS1/16S104J...
  • Page 49 DEH-P640,P6400,P6450 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S102J CEJQ220M10 RS1/16S822J CKSRYB223K50 RS1/16S223J CKSRYB223K50 RS1/16S223J CKSRYB472K50 RS1/16S473J CKSRYB103K50 RD1/4PU102J CEJQ4R7M35 RD1/4PU221J CKSRYB102K50 RD1/4PU221J CKSRYB472K50 RS1/16S472J CCSRCH180J50 RS1/16S222J CCSRCH220J50 RS1/16S0R0J CKSRYB103K50...
  • Page 50 DEH-P640,P6400,P6450 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1903 Push Switch CSG1111 1974 RS1/16S270J 1906 Switch CSG1107 1975 RS1/16S270J 1907 Switch CSG1107 1976 RS1/16S101J 1908 Push Switch CSG1111 1977 RS1/16S101J...
  • Page 51 DEH-P640,P6400,P6450 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1910 Switch CSG1107 CAPACITORS 1911 Switch CSG1107 1912 Switch CSG1107 1901 CKSYB105K25 1913 Switch CSG1107 1902 CKSRYB104K16 1914 Switch CSG1107 1903 CKSRYB474K10...
  • Page 52 DEH-P640,P6400,P6450 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSRYB472K50 RS1/16S102J CKSRYB104K16 RS1/16S102J CKSRYB104K16 RS1/16S103J CKSRYB104K16 RS1/16S473J CKSRYB221K50 RS1/16S334J CKSRYB221K50 RS1/16S331J CKSRYB153K25 RS1/16S0R0J CKSRYB103K50 RS1/16S332J CEV101M10 RS1/16S684J CKSRYB104K16 RS1/16S103J CKSRYB104K16 RS1/16S103J...

  • Page 53: Adjustment

    DEH-P640,P6400,P6450 6. ADJUSTMENT 6.1 OEL UNIT ADJUSTMENT Adjustment point KEYBOARD UNIT (SIDE B) CN1901 IC1901 VR1941 Digital Multi-Meter IC1902 <When the OEL Unit has been replaced> 1. Use VR1941 to adjust the resistance between TP1 and TP2 to 6.60kΩ.
  • Page 54 DEH-P640,P6400,P6450 6.2 CD ADJUSTMENT 1) Precautions 2) Test Mode • This unit uses a single power supply (+5V) for the reg- This mode is used for adjusting the CD mechanism ulator. The signal reference potential, therefore, is module of the device. connected to VREF(approx.
  • Page 55 DEH-P640,P6400,P6450 - Flow Chart [4]+[6]+Reset [KEY] Test Mode In Contents Display [CD] or [SOURCE] Source On [BAND] RF AMP Power On Power On New Test Mode Gain switching (T. offset is adjusted) (T. offset is not adjusted) [BAND] Tracking Servo Focus Close / Automatic adjustment value CRG+...
  • Page 56 DEH-P640,P6400,P6450 6.3 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 mecha- nism 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 57 DEH-P640,P6400,P6450 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...
  • Page 58 DEH-P640,P6400,P6450 6.4 CD TEST MODE - Error Messages If a CD is not operative or stopped during operation due to an error, the error mode is turned on and cause(s) of the error is indicated with a corresponding number. This arrangement is intended at reducing nonsense calls from the users and also for facilitating trouble analysis and repair work in servicing.
  • Page 59 DEH-P640,P6400,P6450 - New Test Mode S-CD plays the same way as before. If an error such as off focus, spindle unlocking, unreadable sub-code, or sound skipping occurs after setup, its cause and time occurred (in absolute time) are displayed. During setup, operational status of the control software is displayed. These displays and functions are prepared for enhancing aging in the servicing and efficiency of trouble analysis.
  • Page 60 DEH-P640,P6400,P6450 (4) Display of Operational Status during Setup Status No. Contents Protective action Focus search start Focus search timeout. Focus search 2 Focus search timeout. Focus search 3 Focus search timeout. Focus search 4 Focus search timeout. Focus search(Setup protection) Focus slips off.
  • Page 61 DEH-P640,P6400,P6450 (5) Display Examples 1) During Setup 8-digit display, 6-digit display 4-digit display(Auto setting) 4-digit display(Manual setting) TNO. Min Sec TNO. Min Sec 11 11' 11" 11' 11" 2) During Operation (TOC read, TRK search, Play, FF and REV) The same as in the normal mode. 3) When a Protection Error Occurred (A) Error display ((A)←→(B), (C) : BAND key) 8-digit display...

  • Page 62: General Information

    DEH-P640,P6400,P6450 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY Removing the Case (not shown) 1. Remove the Case. CD Mechanism Module Removing the Grille Panel Assy (Fig.1) Remove the two screws and then remove the Grille Panel Assy. Removing the CD Mechanism Module (Fig.1) Remove the four screws and then remove the CD Mechanism Module.
  • Page 63 DEH-P640,P6400,P6450 - Removing the OEL Unit 1. Apply hot air to the cable pins for the anode terminal using a Anode terminal blower used for removing a flat-packaged IC or something like that. When all the pins are peeling off from the PCB, pinch the cable with a pair of tweezers and remove it slowly from the PCB.
  • Page 64 DEH-P640,P6400,P6450 - How to hold the Mechanical 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. - How to remove the Top and Bottom Frame Top Frame 1.
  • Page 65 DEH-P640,P6400,P6450 - How to remove the Control Unit 1. Give jumper-solder treatment to the Flexible Wire of Jumper-Solder the Pickup unit, then remove the wire from the Control Unit Connector. 2. Remove all 4 points of solder-treatment on the Lead Wire.

  • Page 66: Connector Function Description

    DEH-P640,P6400,P6450 7.1.2 CONNECTOR FUNCTION DESCRIPTION FRONT OUTPUT 8 9 10 11 1 2 3 4 1. BUS+ 7. BL+ 1. GND 9. RL- ANTENNA 2. GND 8. ASENB 2. B.UP 10. FL- 3. GND 9. BR+ 3. ACC 11. RL+ 4.
  • Page 67 DEH-P640,P6400,P6450 7.2 IC - Pin Functions (PD5699A) Pin No. Pin Name Function and Operation TUNPDO TUNER:Data output(PLL) TUNPCK TUNER:Clock output(PLL) EMUTE EVOL:Mute output (Not used) EVOL:Strobe output EVOL:Data output Not used EVOL:Clock output BYTE CNVSS TELIN TEL:Telephone mute input HTELPW TEL:Microphone control output RESET Reset input(RESET)
  • Page 68 DEH-P640,P6400,P6450 Pin No. Pin Name Function and Operation TUNPCE TUNER:Chip enable output(PLL) BSENS Backup sense ASENS ACC sense Not used LOCH TUNER:Local H output LOCL TUNER:Local L output XPCK CD:LSI clock output CD:LSI chip enable output XRST CD:LSI reset output IPPW IPBUS:Driver power supply control output ASENBO...
  • Page 69 DEH-P640,P6400,P6450 PAL007A sw_vcc amp_vcc sw_vcc stby 12 13 14 15 16 17 20 21 22 23 24 25 10 11 18 19 PML009A(DEH-P640/XN/UC) Isolator SEL_out_L SEL_out_R Treble Middle Bass Source Gain adjuster Primary PV_in_L Anti PV_in_R Loudness Volume Alias Volume Filter Tone_out_FL Tone_out_FR...
  • Page 70 DEH-P640,P6400,P6450 - Pin Functions (PD5706A) Pin No. Pin Name Function and Operation Not used OPEN Remote control reception input BYTE GND connection CNVSS GND connection 8, 9 Not used OPEN reset Pull up XOUT Crystal oscillating element connection pin VSS connection Crystal oscillating element connection pin VCC connection NVI input (Not used)
  • Page 71 DEH-P640,P6400,P6450 *S-818A33AUC-BGN *PD5706A ON/OFF ON/OFF *PD8088A(DEH-P6400/XN/UC, P6450/XN/ES) VOUT *PD8089A(DEH-P640/XN/UC) PML008A(DEH-P6400/XN/UC, P6450/XN/ES) Sel_out_L Sel_out_R Isolator circuit Rch block (same as Lch) PV_in_L PV_in_R Source Gain adjuster Tone_out_FL Tone_out_FR to Rch from Rch Primary volume (L+R) SV_in_FL SV_in_FR Loudness Treble Middle Bass volume Anti Alias Tone_out_RL...
  • Page 72 DEH-P640,P6400,P6450 *TSOP1840SB3V *PDH0047A(DEH-P6400/XN/UC, DEH-P6450/XN/ES) :Not used REGULATOR :Power supply :Chip select input :Clock input :Data input NOISE AGC TEST :Data output :Ground GAIN TEST :Test DET. CONT. REGISTER - Pin Functions(TA2153FN) Pin No. Pin Name Function and Operation Power supply voltage terminal RFGC RF amplitude adjustment control signal terminal GMAD...
  • Page 73 DEH-P640,P6400,P6450 - Pin Functions(TC9495F2) Pin No. Pin Name Function and Operation TESTO Test mode terminal Replay speed flag output terminal uhso Replay speed flag output terminal EMPH Emphasis flag output terminal for sub code Q data LRCK Channel clock (44.1 kHz) output terminal Digital ground terminal Bit clock output terminal AOUT...
  • Page 74 DEH-P640,P6400,P6450 Pin No. Pin Name Function and Operation 58-61 FLGA-D External flag output terminal for internal signal monitor Digital + power supply terminal (5 V) Digital ground terminal RF amplifier gain switching terminal Not used HOME detection switch input terminal FocusDrv and signal output terminal dmout Field equalizer PWM output terminal for IO0 and IO1...
  • Page 75 DEH-P640,P6400,P6450 - Pin Functions(BA5996FM) Pin No. Pin Name Function and Operation Input pin for reference voltage OPIN2(+) Input pin for non-inverting input for CH2 preamplifier OPIN2(-) Input pin for inverting input for CH2 preamplifier OPOUT2 Output pin for CH2 preamplifier OPIN1(+) Input pin for non-inverting input for CH1 preamplifier OPIN1(-)
  • Page 76 DEH-P6400R - FM/AM Tuner Unit FM/AM 1ST IF 10.7MHz MPXREF 41kHz AMRF T51 Q51 CF51 CF52 CF53 AMDET AMANT L ch IC 2 FM MPX R ch ANT ADJ COMP MIXER, IF AMP, DET. LDET FMANT RFGND FMRF CF202 IC 3 X901 IMG ADJ AM 2ND IF...

  • Page 77: Operational Flow Chart

    DEH-P640,P6400,P6450 7.3 OPERATIONAL FLOW CHART Power ON VCC=5V Pin 16 BSENS Pin 73 BSENS=L ASENS Pin 74 ASENS=L DSENS Pin 41 DSENS=L ASENBO←H Pin 82 CSENS < < - CSENS 2V , 3V CSENS Pin 93 Last source returns. 2V<CSENS<3V CD and TAPE loading functions are available.

  • Page 78: Cleaning

    DEH-P640,P6400,P6450 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...

  • Page 79: Operations And Specifications

    DEH-P640,P6400,P6450 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS HEAD UNIT ENTERTAINMENT button VOLUME OPEN button FUNCTION button CLOCK button PAUSE button DISPLAY button AUDIO button / / / buttons SELECT SFEQ button SOURCE button 1-6 buttons EQ button BAND/ESC button REMOTE CONTROL UNIT VOLUME buttons ATT button BAND button...
  • Page 80 DEH-P640,P6400,P6450...
  • Page 81 DEH-P640,P6400,P6450 8.2 SPECIFICATIONS DEH-P640/XN/UC, P6400/XN/UC Tone controls: General (Bass) Power source ..... 14.4 V DC Frequency ..40/63/100/160 Hz (10.8 – 15.1 V allowable) Gain ....±12 dB Grounding system ..Negative type (Treble) Max. current consumption Frequency ..2.5 k/4 k/6.3 k/10 k Hz ........
  • Page 82 DEH-P640,P6400,P6450 DEH-P6450/XN/ES Tone controls: General (Bass) Power source ..... 14.4 V DC Frequency ..40/63/100/160 Hz (10.8 – 15.1 V allowable) Gain ....±12 dB Grounding system ..Negative type (Treble) Max. current consumption Frequency ..2.5 k/4 k/6.3 k/10 k Hz ........

This manual is also suitable for:

Deh-p6400 xn/ucDeh-p6450 xn/es

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