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Pioneer DEH-P840MP Service Manual
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Pioneer DEH-P840MP Service Manual

Pioneer DEH-P840MP Service Manual

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See also: Operating Manual , Installation Manual
Service
Manual
MULTI-CD CONTROL HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER
DEH-P840MP
DEH-P8400MP
DEH-P8450MP
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-3007
CRT2820
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
4. PCB CONNECTION DIAGRAM ................................38
5. ELECTRICAL PARTS LIST ........................................48
6. ADJUSTMENT..........................................................55
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 2002
DEH-P840MP/XN/UC
Mech. Module Remarks
S9MP3
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 .......................................65
7.1 DIAGNOSIS ........................................................65
7.1.1 DISASSEMBLY .........................................65
7.1.2
7.2 PARTS .................................................................75
7.2.1 IC................................................................75
7.2.2 DISPLAY ....................................................92
7.3 OPERATIONAL FLOW CHART ...........................93
7.4 CLEANING ..........................................................93
8. OPERATIONS AND SPECIFICATIONS.....................94
K-ZZY. FEB. 2002 Printed in Japan
ORDER NO.
CRT2845
XN/UC
.......74

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  • 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 2002 K-ZZY. FEB. 2002 Printed in Japan...
  • Page 2 DEH-P840MP,P8400MP,P8450MP [ 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-P840MP,P8400MP,P8450MP 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-P840MP,P8400MP,P8450MP 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING (DEH-P840MP)
  • Page 5 - 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.) - PACKING SECTION PARTS LIST (DEH-P840MP) Mark No. Description Part No.
  • Page 6 DEH-P840MP,P8400MP,P8450MP 2.2 PACKING (DEH-P8400MP)
  • Page 7 DEH-P840MP,P8400MP,P8450MP - PACKING SECTION PARTS LIST (DEH-P8400MP) Mark No. Description Part No. Mark No. Description Part No. 1-1 Owner’s Manual CRD3571 17 Protector CHP2538 1-2 Installation Manual CRD3572 18 Protector CHP2539 1-3 Caution Card CRP1268 19 Protector CHP2541 1-4 Card...
  • Page 8 DEH-P840MP,P8400MP,P8450MP 2.3 PACKING (DEH-P8450MP)
  • Page 9 DEH-P840MP,P8400MP,P8450MP - PACKING SECTION PARTS LIST (DEH-P8450MP) Mark No. Description Part No. Mark No. Description Part No. 19 Protector CHP2541 1-1 Owner’s Manual CRD3573 1-2 Owner’s Manual CRD3574 20 Protector CHP2546 1-3 Installation Manual CRD3575 21 Remote Control Assy CXB9202...
  • Page 10 DEH-P840MP,P8400MP,P8450MP 2.4 EXTERIOR(1)
  • Page 11 48 Cover See Contrast table(2) 24 Clamper CEF1009 25 Plug(CN981) CKM1278 (2) CONTRAST TABLE DEH-P840MP/XN/UC, DEH-P8400MP/XN/UC and DEH-P8450MP/XN/ES are constructed the same except for the following: Part No. Mark No. Symbol and Description DEH-P840MP/XN/UC DEH-P8400MP/XN/UC DEH-P8450MP/XN/ES 20 Tuner Amp Unit CWM8042...
  • Page 12 DEH-P840MP,P8400MP,P8450MP 2.5 EXTERIOR(2) For lubricants points, please refer to"Disassembly"(see page 65)
  • Page 13 DEH-P840MP,P8400MP,P8450MP (1) EXTERIOR(2) SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BPZ20P060FMC 47 Screw ISS26P055FUC 2 Screw BPZ20P080FZK 48 Case Unit CXB7968 3,4 ••••• 49 Cover Unit CXB8127 5 Screw(M2x2) CBA1250 50 Spring...
  • Page 14 DEH-P840MP,P8400MP,P8450MP (2) CONTRAST TABLE DEH-P840MP/XN/UC, DEH-P8400MP/XN/UC and DEH-P8450MP/XN/ES are constructed the same except for the following: Part No. Mark No. Symbol and Description DEH-P840MP/XN/UC DEH-P8400MP/XN/UC DEH-P8450MP/XN/ES 8 Keyboard Unit(OEL) CWM8051 CWM8052 CWM8052 14 Sub Grille Assy CXB9363 CXB9362 CXB9364 16 Detach Grille Assy...
  • Page 15 DEH-P840MP,P8400MP,P8450MP...
  • Page 16 DEH-P840MP,P8400MP,P8450MP 2.6 CD MECHANISM MODULE...
  • Page 17 DEH-P840MP,P8400MP,P8450MP - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 CD Core Unit(S9MP3) CWX2618 46 Gear CNV6320 2 Connector(CN901) CKS4188 47 Arm CNV6322 3 Connector(CN101) CKS3486 48 Arm CNV6323 4 Screw...

  • Page 18: Block Diagram And Schematic Diagram

    DEH-P840MP,P8400MP,P8450MP 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 CN402 AMRF T51 Q51 CF51 CF52 CF53 AMDET AMANT L ch IC 2 FM MPX R ch ANT1 ADJ COMP MIXER, IF AMP, DET.
  • Page 19 DEH-P840MP,P8400MP,P8450MP HIGH OUT CN351 OUT1 18 Q351 IC 571 PA2028A OUT3 16 Q352 OUT5 14 Q353 SYSTEM CONTROLLER IC 601(1/2) VDD REGULATOR 5V REGULATOR PD5740A(ES) PD5741A(UC) Q901 Q911 VDD2 CN981 BACKUP SENSE FUSE BACK UP bsens B.UP Q931 asens TUNPCE...
  • Page 20 DEH-P840MP,P8400MP,P8450MP 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". Large size SCH diagram The > mark the importanc Therefore, wh identical desi Guide page...

  • Page 21: Tuner Amp Unit

    DEH-P840MP,P8400MP,P8450MP found on some component parts indicates ce of the safety factor of the part. hen replacing, be sure to use parts of ignation. TUNER AMP UNIT SPECTRUM ANALYSER HI-OUT RCA OUT WOOFER L CH WOOFER R CH FRONT L CH...
  • Page 22 DEH-P840MP,P8400MP,P8450MP...
  • Page 23 DEH-P840MP,P8400MP,P8450MP A-a E...
  • Page 24 DEH-P840MP,P8400MP,P8450MP...
  • Page 25 DEH-P840MP,P8400MP,P8450MP...
  • Page 26 DEH-P840MP,P8400MP,P8450MP 3.3 KEYBOARD UNIT(OEL)
  • Page 27 DEH-P840MP,P8400MP,P8450MP KEYBOARD UNIT(OEL) PD8091A(DEH-P840MP) PD8092A(DEH-P8400MP, P8450MP) GRILLE µ-COM OEL UNIT MXS8018...
  • Page 28 DEH-P840MP,P8400MP,P8450MP 3.4 KEYBOARD UNIT(LCD) VOLUME RESET REMOTE CONTROL SENSOR CONNECTOR PAUSE...
  • Page 29 DEH-P840MP,P8400MP,P8450MP KEYBOARD UNIT(LCD) GRILLE µ-COM...
  • Page 30 DEH-P840MP,P8400MP,P8450MP 3.5 CD MECHANISM MODULE(GUIDE PAGE) SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE PICKUP UNIT (SERVICE)(P9MP3) 3300P R022 SWITCHES: CD CORE UNIT(S9MP3) ..S901 : HOME SWITCH ON-OFF ..S902 : CLAMP SWITCH ON-OFF ..
  • Page 31 DEH-P840MP,P8400MP,P8450MP CD CORE UNIT (S9MP3) &...
  • Page 32 DEH-P840MP,P8400MP,P8450MP...
  • Page 33 DEH-P840MP,P8400MP,P8450MP...
  • Page 34 DEH-P840MP,P8400MP,P8450MP...
  • Page 35 DEH-P840MP,P8400MP,P8450MP CN723...
  • Page 36 DEH-P840MP,P8400MP,P8450MP Note:1. The encircled numbers denote measuring points in the circuit diagram. 2. Reference voltage REFO1 : 1.65V - Waveforms 5 CH1:SIN 1 CH1:DSCSNS 5V/div. 1 CH1:DSCSNS 5V/div. 1V/div. 6 CH2:CIN 2 CH2:CLCONT 2 CH2:CLCONT 500mV/div. 2s/div. 5V/div. 5V/div. 500ms/div.
  • Page 37 DEH-P840MP,P8400MP,P8450MP 8 CH1:FIN # CH1:RFAGC 1V/div. 0 CH1:TE 500mV/div. 500mV/div. 200ms/div. 2ms/div. 0 CH2:TE ! CH2:FE # CH2:RFAGC 500mV/div. 500mV/div. 500µs/div. 500mV/div. 7 CH3:TIN 500mV/div. Focus Search 1Track Jump When "Tracking Open" Ref. : Ref. : Ref. : REFO REFO...

  • Page 38: Pcb Connection Diagram

    DEH-P840MP,P8400MP,P8450MP 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS 1.The parts mounted on this PCB TUNER AMP UNIT include all necessary parts for several destination. CORD ASSY For further information for respective destinations, be sure to check with the schematic dia- gram.
  • Page 39 DEH-P840MP,P8400MP,P8450MP SIDE A IC,Q A CABLE FM/AM TUNER UNIT IP-BUS M951 FRONT...
  • Page 40 DEH-P840MP,P8400MP,P8450MP TUNER AMP UNIT IC,Q...
  • Page 41 DEH-P840MP,P8400MP,P8450MP SIDE B...
  • Page 42 DEH-P840MP,P8400MP,P8450MP 4.2 KEYBOARD UNIT(OEL) SIDE A SIDE B KEYBOARD UNIT(OEL) KEYBOARD UNIT(OEL) CN831 OEL UNIT...
  • Page 43 DEH-P840MP,P8400MP,P8450MP 4.3 KEYBOARD UNIT(LCD) SIDE A SIDE B KEYBOARD UNIT(LCD) KEYBOARD UNIT(LCD)

  • Page 44: Cd Mechanism Module

    DEH-P840MP,P8400MP,P8450MP 4.4 CD MECHANISM MODULE CD CORE UNIT (S9MP3) SIDE A 12EJ DSCSNS LOADING /CARRIAGE MOTOR SPINDLE MOTOR CN723 HOME PICKUP UNIT (SERVICE)(P9MP3)
  • Page 45 DEH-P840MP,P8400MP,P8450MP SIDE B CD CORE UNIT (S9MP3) CLAMP...
  • Page 46 DEH-P840MP,P8400MP,P8450MP 4.5 SWITCH PCB SIDE A SWITCH PCB S951 OPEN S952 S953 CLOSE EJECT SWITCH PCB SIDE B YELLOW BLUE CN811 GREEN BLACK...
  • Page 47 DEH-P840MP,P8400MP,P8450MP 4.6 CONNECTOR PCB CONNECTOR PCB SIDE A SIDE B CONNECTOR PCB CN832 CN1901...

  • Page 48: Electrical Parts List

    RB706F-40 Diode 1SR139-400 HA12187FP Diode DAN202U PML009A Diode HZS9L(A2) BA3834F PAL007A Diode 1SS133 PA2028A Diode HZS9L(B1) Diode HZS7L(B2) IC (DEH-P840MP, P8400MP) PD5741A Diode 1SS133 IC (DEH-P8450MP) PD5740A Diode 1SS133 S-80735ANDZI BA6288FS Diode DAN202U NJM2360M Diode DAP202U Diode DAN202U Transistor 2SA1037K...
  • Page 49 RS1/16S104J RS1/16S0R0J RS1/16S102J RS1/16S103J RS1/16S104J RS1/16S103J RS1/16S104J RS1/16S223J RS1/16S104J RS1/16S0R0J RS1/16S822J RS1/16S473J RS1/16S103J RS1/16S103J (DEH-P8400MP) RS1/16S104J RS1/16S103J RS1/16S104J RS1/16S331J (DEH-P840MP, P8450MP) RS1/16S104J RS1/16S104J RS1/16S820J RS1/16S102J RS1/16S820J RS1/16S820J RS1/16S102J RS1/16S820J RS1/16S102J RS1/16S820J RS1/16S222J RS1/16S473J RS1/16S820J RS1/16S183J RS1/16S223J RS1/16S223J RS1/16S682J RS1/16S223J RS1/16S221J...
  • Page 50 DEH-P840MP,P8400MP,P8450MP =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S221J CAPACITORS RS1/16S221J RS1/16S473J CKSRYB104K16 RS1/16S682J CEAL1R0M50 RS1/16S682J CEAL1R0M50 CEALR22M50 RD1/4PU271J CEALR22M50 RD1/4PU221J RS1/16S102J CEAL1R0M50 RS1/16S102J CEAL1R0M50 RD1/4PU391J CEAL1R0M50...
  • Page 51 (DEH-P8400MP/XN/UC) CEJQ101M10 (DEH-P8450MP/XN/ES) CKSRYB223K50 Unit Name : Keyboard Unit(OEL) CKSRYB472K50 MISCELLANEOUS CKSRYB223K50 CEJQ220M10 IC 1801 PD5745A CEJQ220M16 IC 1802 IC (DEH-P840MP) PD8091A CKSRYB105K10 IC 1802 IC (DEH-P8400MP, P8450MP) PD8092A CKSRYB105K10 IC 1805 S-818A33AUC-BGN CKSRYB105K10 IC 1806 TC7SET08FU CKSRYB105K10 CKSRYB105K10 1806...
  • Page 52 DEH-P840MP,P8400MP,P8450MP =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CAPACITORS 1920 RS1/16S560J 1922 RS1/16S560J 1924 RS1/16S271J 1805 CKSRYB102K50 1926 RS1/16S271J 1806 CSZSR4R7M10 1928 RS1/16S331J 1807 CSZSR4R7M10 1808 CKSRYB103K50...
  • Page 53 DEH-P840MP,P8400MP,P8450MP =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Spring Switch (DSCSNS) CSN1051 RS1/16SS103J Spring Switch (12EJ) CSN1052 RS1/16SS0R0J Spring Switch (8EJ) CSN1051 RS1/16SS0R0J RS1/16SS102J RESISTORS RS1/16SS102J RS1/10S1R5J...
  • Page 54 DEH-P840MP,P8400MP,P8450MP =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSSYB104K10 Miscellaneous Parts List CKSSYB104K10 CKSSYB104K10 Pickup Unit(Service)(P9MP3) CXX1550 CKSSYB104K10 Motor Unit(SPINDLE) CXB6007 CKSSYB332K50 Motor Unit(LOADING/CARRIAGE) CXB5903 Motor Unit(AUTOMATIC FLAP)

  • Page 55: Adjustment

    DEH-P840MP,P8400MP,P8450MP 6. ADJUSTMENT 6.1 JIG CONNECTION DIAGRAM U ER A du e GGD1292 KEYBOARD U I (L D) 1902 Rubber Band Rubber Band...

  • Page 56: Oel Unit Adjustment

    DEH-P840MP,P8400MP,P8450MP 6.2 OEL UNIT ADJUSTMENT Adjustment point KEYBOARD UNIT(OEL) (SIDE B) Digital Multi-Meter VR1801 IC1801 IC1802 <When the OEL Unit has been replaced> 1. Use VR1801 to adjust the resistance between TP1 and TP2 to 6.1kΩ.
  • Page 57 DEH-P840MP,P8400MP,P8450MP 6.3 CD ADJUSTMENT 1) Precautions 2) Test Mode This mode is used for adjusting the CD mechanism • This unit uses a single power supply (+3.3V) for the regulator. The signal reference potential, therefore, is module of the device.
  • Page 58 DEH-P840MP,P8400MP,P8450MP - 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...

  • Page 59: Checking The Grating After Changing The Pickup Unit

    DEH-P840MP,P8400MP,P8450MP 6.4 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 60 DEH-P840MP,P8400MP,P8450MP Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...

  • Page 61: Cd Test Mode

    DEH-P840MP,P8400MP,P8450MP 6.5 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 62 DEH-P840MP,P8400MP,P8450MP - 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.
  • Page 63 DEH-P840MP,P8400MP,P8450MP (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 64 DEH-P840MP,P8400MP,P8450MP (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.

  • Page 65: General Information

    DEH-P840MP,P8400MP,P8450MP 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY Removing the Case nit (Fig.1) Remove the screw and then remove the ase Re ease the atches n order o the n m er nd cated n F g 1 F g 1 Removing the CD Mechanism Module (Fig.2)
  • Page 66 DEH-P840MP,P8400MP,P8450MP oving the Arm nit osition nd a d y a nd n add d Removing the Detach Grille Assy and Grille Assy n n a n Removing the anel...
  • Page 67 DEH-P840MP,P8400MP,P8450MP Removing the Gear Unit Move the Arm n t to the CLOSE POSITION Remove the four screws and then remove the hen ou remove or nta the n t do so w th the Arm n t n the CLOSE POSITION...
  • Page 68 DEH-P840MP,P8400MP,P8450MP Removing the Tuner Amp Unit (Fig.7) n Tun n pa a y f...
  • Page 69 DEH-P840MP,P8400MP,P8450MP 1. Apply a l pi r i al a la pa a ar p a pair z r a ri al par ially air i appr pria VR1902 r y. a ily y ra 2. i i . A...
  • Page 70 DEH-P840MP,P8400MP,P8450MP - 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 71 DEH-P840MP,P8400MP,P8450MP - How to remove the CD Core Unit(S9MP3) 1. Give jumper-solder treatment to the Flexible Wire of Jumper-Solder the Pickup unit, then remove the wire from the CD Core Unit Connector. (S9MP3) 2. Remove all 4 points of solder-treatment on the Lead Wire.
  • Page 72 DEH-P840MP,P8400MP,P8450MP - Lubricants Points...
  • Page 73 DEH-P840MP,P8400MP,P8450MP (2) Button (CAC7247) Lubricants (GEM1016) Application to all points. ( iel ) ( iel ) (3) Case Unit (CXB7968) Lubricants ( 38 E) Application to all points. ( lot) Bot si es. ( lot) Bot si es.

  • Page 74: Connector Function Description

    DEH-P840MP,P8400MP,P8450MP 7.1.2 CONNECTOR FUNCTION DESCRIPTION ANTENNA 6 mm MAX POWER SUPPLY IP-BUS 2 4 6 8 10 12 14 16 1 3 5 7 9 11 13 15 9 RL- B.UP REAR OUTPUT 10 FL- 11 RL+ 12 FL+ B.REM...

  • Page 75: Parts

    MSM51V4265EP-70TS UPD61002GC PAL007A BA033SFP PD8091A BA5996FM PD8092A PE5269A PD5745A S-818A33AUC-BGN PD6340A BA25BC0WFP - Pin Functions (PD5741A)(DEH-P840MP/XN/UC, P8400MP/XN/UC) Pin No. Pin Name Function and Operation P-BUS:Data output bsck P-BUS:Clock output DUALILM LCD:Illumination color select output CD5VON CDS:Eject sense output EVOL:Data output...
  • Page 76 DEH-P840MP,P8400MP,P8450MP Pin No. Pin Name Function and Operation TUNER:Stereo input TUNER:SD input 51-53 Not used LOCH Local H output TUNPDO TUNER:PLL data output TUNPDI TUNER:PLL data input TUNPCK TUNER:PLL clock output LOCL Local L output BRXEN P-BUS:Communication input / output...
  • Page 77 DEH-P840MP,P8400MP,P8450MP *PD5741A IC's marked by * are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. - Pin Functions (PD5740A)(DEH-P8450MP/XN/ES) Pin No. Pin Name Function and Operation P-BUS:Data output bsck P-BUS:Clock output...
  • Page 78 DEH-P840MP,P8400MP,P8450MP Pin No. Pin Name Function and Operation TUNER:Stereo input TUNER:SD input 51-53 Not used LOCH Local H output TUNPDO TUNER:PLL data output TUNPDI TUNER:PLL data input TUNPCK TUNER:PLL clock output LOCL Local L output BRXEN P-BUS:Communication input / output...
  • Page 79 DEH-P840MP,P8400MP,P8450MP *PD5740A PAL007A sw_vcc amp_vcc sw_vcc stby 16 17 24 25 10 11 12 13 14 15 18 19 20 21 22 23 *PD8091A(DEH-P840MP/XN/UC) *PD8092A(DEH-P8400MP/XN/UC, DEH-P8450MP/XN/ES) D15/A-1 : Data output / Address input A0-19 : Address input D0-14 : Data output...
  • Page 80 DEH-P840MP,P8400MP,P8450MP - Pin Functions (PD5745A) Pin No. Pin Name Function and Operation Not used BYTE GND connection CNVSS GND connection 8, 9 Not used reset Reset input XOUT Crystal oscillating element connection pin VSS connection Crystal oscillating element connection pin...
  • Page 81 DEH-P840MP,P8400MP,P8450MP *PD5745A - 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...
  • Page 82 DEH-P840MP,P8400MP,P8450MP - Pin Functions (UPD63760GJ) Pin No. Pin Name Function and Operation R.GND GND for DRAM I/F Input of reset AB12-8 Address bus 12-8 from the microcomputer 8-15 AD7-0 Address/data bus 7-0 to the microcomputer Chip selection ASTB Address strobe...
  • Page 83 DEH-P840MP,P8400MP,P8450MP Pin No. Pin Name Function and Operation cas) Output of DRAM Lower CAS cas! Output of DRAM Upper CAS Output of DRAM WE Output of DRAM OE 73-88 RDB0-15 Input/output of DRAM Data0-15 D.GND Ground for digital circuits 90-99...
  • Page 84 DEH-P840MP,P8400MP,P8450MP *UPD63760GJ *MSM51V4265EP-70TS 44 VSS 43 DQ16 42 DQ15 41 DQ14 40 DQ13 39 VSS A0-A8 :Address input 38 DQ12 ras : Row address strobe 37 DQ11 lcas : Lower column address strobe ucas : Upper column address strobe 36 DQ10...
  • Page 85 DEH-P840MP,P8400MP,P8450MP - 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...
  • Page 86 DEH-P840MP,P8400MP,P8450MP - Pin Functions (PE5269A) Pin No. Pin Name Format Function and Operation FTXD For rewriting Flash EP-ROM (sending signals) Open Input of P-Bus serial data Output of P-Bus serial data bsck Input/output of P-Bus serial clock 6, 7 DFS1, 2...
  • Page 87 DEH-P840MP,P8400MP,P8450MP Pin No. Pin Name Format Function and Operation AVREF Input of reference voltage for A/D converter VDSENS Input of sensing short of VD power supply DSCSNS Input of sensing disc status TEMP Input of sensing information on temperature HOME...
  • Page 88 DEH-P840MP,P8400MP,P8450MP *S-818A33AUC-BGN BA25BC0WFP ON/OFF ON/OFF Vref VOUT *PD9023A CS : Chip select input N.C. SK : Serial clock input DI : Serial data input DO : Serial data output N.C. GND : Ground N.C. : No connection VCC : Power supply...
  • Page 89 DEH-P840MP,P8400MP,P8450MP - Pin Function (UPD61002GC) Pin No. Pin Name Function and Operation VDD3 Power supply (3.3V) Not used GND3 Not used PCM output data VDD2 Power supply (2.5V) Clock input DVDD Power supply (PLL) (Digital) AVDD Power supply (PLL) (Analog)
  • Page 90 DEH-P840MP,P8400MP,P8450MP Pin No. Pin Name Function and Operation Not used GND2 PCM input data LRCKI3 PCM input LRCK BCKI3 PCM input bit clock PCM input data LRCKI2 PCM input LRCK BCKI2 PCM input bit clock PCM input data LRCKI1 PCM input LRCK...
  • Page 91 DEH-P840MP,P8400MP,P8450MP - 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...

  • Page 92: Display

    DEH-P840MP,P8400MP,P8450MP 7.2.2 DISPLAY CAW1704...

  • Page 93: Operational Flow Chart

    DEH-P840MP,P8400MP,P8450MP 7.3 OPERATIONAL FLOW CHART Power ON VCC=5V Pin 16/17/62/99 bsens Pin 73 bsens=L asens Pin 74 asens=L ASENBO←H Pin 82 Starts communication with Grille microcomputer. 300ms SWVDD←H Pin 40 (OEL) 300ms Pin 79 (LCD) In case of the above signal, the communication with Grille microcomputer may fail.

  • Page 94: Operations And Specifications

    DEH-P840MP,P8400MP,P8450MP 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS 1-6 (P I G) I P A...
  • Page 95 DEH-P840MP,P8400MP,P8450MP REMOTE CONTROL ASSY DEH-P840MP/XN/UC, P8450MP/XN/ES UTTON SOURCE UTTON UTTON / / / UTTONS OLUME UTTON UNCT ON AUD O UTTON UTTON REMOTE CONTROL UN T DEH-P8400MP/XN/UC UTTON UTTON UTTON / / / UTTONS UNCT ON AUD O UTTON UTTON...
  • Page 96 DEH-P840MP,P8400MP,P8450MP...
  • Page 97 DEH-P840MP,P8400MP,P8450MP 8.2 SPECIFICATIONS - DEH-P840MP/XN/UC Specifications (High) ....... +11 dB (100 Hz) +11 dB (10 kHz) General (Volume: –30 dB) Tone controls: Power source ....14.4 V DC (Bass) (10.8 – 15.1 V allowable) Frequency ..40/63/100/160 Hz Grounding system ..Negative type Gain ....
  • Page 98 DEH-P840MP,P8400MP,P8450MP - DEH-P8400MP/XN/UC Specifications (High) ....... +11 dB (100 Hz) +11 dB (10 kHz) General (Volume: –30 dB) Tone controls: Power source ....14.4 V DC (Bass) (10.8 – 15.1 V allowable) Frequency ..40/63/100/160 Hz Grounding system ..Negative type Gain ....
  • Page 99 DEH-P840MP,P8400MP,P8450MP - DEH-P8450MP/XN/ES Specifications (Treble) Frequency ..2.5 k/4 k/6.3 k/10 k Hz Gain ....±12 dB General HPF: Frequency ..50/80/125 Hz Power source ....14.4 V DC Slope ....–12 dB/oct (10.8 – 15.1 V allowable) Subwoofer: Grounding system ..Negative type Frequency ..

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