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Pioneer CRT4804P Service Manual
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Pioneer CRT4804P Service Manual

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DVD AV RECEIVER
DVH-840AVBT
DVH-8480AVBT
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 2012
1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan
DVH-840AVBT/XEUW5
/XFBR
PROVISIONAL
CRT4804P
/XEUW5
K-ZZZ JAN. 2012 Printed in Japan

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  • Page 1 PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, 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 2012 K-ZZZ JAN.

  • Page 2: Safety Information

    SAFETY INFORMATION 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 safety repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.

  • Page 3: Table Of Contents

    CONTENTS SAFETY INFORMATION .............................2 1. SERVICE PRECAUTIONS..........................4 1.1 SERVICE PRECAUTIONS .........................4 1.2 NOTES ON SOLDERING...........................4 2. SPECIFICATIONS.............................5 2.1 SPECIFICATIONS ............................5 2.2 DISC/CONTENT FORMAT.........................8 3. BASIC ITEMS FOR SERVICE ..........................9 3.1 CHECK POINTS AFTER SERVICING .......................9 3.2 PCB LOCATIONS.............................10 3.3 JIGS LIST ..............................10 3.4 CLEANING ...............................10 3.5 FACTORY SETTINGS..........................

  • Page 4: Service Precautions

    1 Turn over the Detach Panel and press RESET Button at Central Part. Without entire initialization. Microcomputer restarting (emergency resetting at function trouble) . With the reset of the pioneer. 2 Perform [Default Setting] initialization in Setting Perform product initialization except a part of items.

  • Page 5: Specifications

    2. SPECIFICATIONS 2.1 SPECIFICATIONS • DVH-840AVBT/XEUW5 General Rated power source: ....... 14.4 V DC (allowable voltage range: 10.8 V to 15.1 V DC) Preout maximum output level: ....4.0 V Maximum current consumption: ..... 10.0 A Backup current: ........5 mA or less Dimensions (W ×...
  • Page 6 Gain..........±12 dB HPF: Frequency ........50 Hz/63 Hz/80 Hz/100 Hz/125 Hz Slope..........–12 dB/oct Subwoofer (mono): Frequency ........50 Hz/63 Hz/80 Hz/100 Hz/125 Hz Slope..........–18 dB/oct Gain..........+6 dB to –24 dB Phase..........Normal/Reverse Bass boost: Gain..........+12 dB to 0 dB USB standard specification: ....
  • Page 7 • DVH-8480AVBT/XFBR General Rated power source: ....... 14.4 V DC (allowable voltage range: 10.8 V to 15.1 V DC) Preout maximum output level: ....4.0 V Maximum current consumption: ..... 10.0 A Backup current: ........5 mA or less Dimensions (W × H × D): Chassis ..........

  • Page 8: Disc/Content Format

    2.2 DISC/CONTENT FORMAT The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by Pioneer Corporation is under license. Other trademarks and trade names are those of their respective owners. DVH-840AVBT/XEUW5...

  • Page 9: Basic Items For Service

    3. BASIC ITEMS FOR SERVICE 3.1 CHECK POINTS AFTER SERVICING To keep the product quality after servicing, please confirm following check points. Procedures Item to be confirmed Confirm whether the customer complain has The customer complain must not be been solved. reappeared.

  • Page 10: Pcb Locations

    3.2 PCB LOCATIONS SB SMT UNIT A:DVH-840AVBT/XEUW5 B:DVH-8480AVBT/XFBR Unit Number : 843DM7376HRMB003-FY(A) : CYW1008(B) Unit Name : MB Unit Unit Number : 842DM7376HRSB003-FY(A) MB UNIT : 882DM7376HBSB003-FY(B) Unit Name : SB SMT Unit KB Ass'y Consists of LB PCB KB PCB AUX PCB Unit Number : Unit Name...

  • Page 11: Factory Settings

    3.5 FACTORY SETTINGS - When the Repair is Complete When the repair is complete, make the DVD mechanism ready for transportation implementing the following procedures: 1. Attach the two Transportation Screws. Now you can transport it.(See the figure below) Transportation Screws DVH-840AVBT/XEUW5...

  • Page 12: Block Diagram

    4. BLOCK DIAGRAM 4.1 BLOCK DIAGRAM DVH-840AVBT/XEUW5...

  • Page 13: Power Block Diagram

    4.2 POWER BLOCK DIAGRAM DVH-840AVBT/XEUW5...

  • Page 14: Diagnosis

    5. DIAGNOSIS 5.1 OPERATIONAL FLOWCHART Power ON Battery = 12 V if Acc on Acc = 12 V Vcc = 5 V if Press power on key DVD Power = 5 V TFT Power On and TFT Init Starts communication with Grille microcomputer.

  • Page 15: Error Code List

    5.2 ERROR CODE LIST Message Cause Action Please wait, it may take several minutes Loading Disc is being read for some disc or storage device. Disc is dirty Clean disc with soft cloth Disc is upside down Insert disc with label side up No Disc Disc not present in loading Insert disc...

  • Page 16: Connector Function Description

    5.3 CONNECTOR FUNCTION DESCRIPTION Fuse 10A 1: FR- 11: RL+ 2: FL+ 12: GND 3: FR+ 13: RL- 4: FL- 14: LO-FL 5: RR+ 15: ACCIN 6: ILLU_IN 16: LO-FR 7: RR- 17: GND 8: ANT 18: GND 9: T_MUTE 19: LO/SUB-RR 10: +B 20: LO/SUB-RL...

  • Page 17: Service Mode

    6. SERVICE MODE 6.1 SOFTWARE VERSION INFORMATION DISPLAY Example of a display(AVH-8480AVBT) r Model number (UW5 model : DVH-840AVBT) MODEL: DVH-8480AVBT MPEG CHIP: ZORAN36966H r Version of MPEG software : V0.24 MPEG VERSION: V0.24_20111012 PCB:V1.0 r Region Code of DVD : 4 Disc Region: MCU DATE: 09.20.11...

  • Page 18: Software Version Up Method

    6.2 SOFTWARE VERSION UP METHOD Save six (6) sorts of file for Version Up (build.img, UPD_MPEG.VER, update.img, UPD_MCU.VER, UPD_BT.VER and NFOREBT.dfu) on an USB. Turn the product power to be ON and insert the above mentioned USB. 1. MPEG software update 2.
  • Page 19 1. MPEG update instruction 1. Copy the MPEG update files(upd_mpeg.ver, build.img) to USB device, and insert it to USB Port, when the system detect the update file exists, it will pop up a menu like Fig.1 as below: UW5 model BR model Fig.1-1 Fig.1-1...
  • Page 20 2. MCU update instruction 1. Copy the MCU update files(UPD_MCU.VER, update.img) to USB device, and insert it to USB port, when the system detect the update file exists, it will pop up a menu like Fig.3, as below: UW5 model BR model Fig.3-1 Fig.3-1...
  • Page 21 3 BT update instruction 1. Copy the BT update files(UPD_BT.VER, NFOREBT.dfu) to USB device, and insert it to USB port, when the system detect the update file exists, it will pop up a menu like Fig.6, as below: UW5 model BR model Fig.6-1 Fig.6-1...
  • Page 22 Upgrade of software is completed If upgrade of software is completed, please perform Default setting by Seetting Menu. NOTE Item to upgrade Method Only MPEG USB device is extracted in the state of an Version UP display. MPEG => MCU 1.

  • Page 23: Disassembly

    7. DISASSEMBLY Removing the Top Cover and the Bottom Cover (Fig.1) Bottom Cover Remove the screw and then remove the Bottom Cover. Remove the screw and then remove the Top Cover. Top Cover Fig.1 Removing the Deck (Fig.2) Remove the two screws. Remove the two screws.
  • Page 24 Removing the Cabinet (Fig.3) Disconnect the two connectors. Remove the screw. Cabinet Remove the two screws. Release the two latches and then remove the Cabinet. Cabinet Fig.3 Removing the MB Assy (Fig.4) Remove the two screws. Remove the four screws and then remove the Heat Sink.
  • Page 25 How to eject the stuck disc (Procedure 1: Rotating the roller) Remove the screws. Remove the top and the bottom cover. Remove the screws. Remove the DVD mechanism module. Rotate the gear upward. Then, the disc will be ejected. DVH-840AVBT/XEUW5...
  • Page 26 How to eject the stuck disc (Procedure 2: Removing the top cover) Remove the screws. Remove the top and the bottom cover of the product. Remove the screws. Remove the DVD mechanism module. Remove the screws. Remove the dustproof cover. Remove the screws.

  • Page 27: Each Setting And Adjustment

    Remove the top cover of the DVD mechanism. Lift up the clamp holder, and remove the disc. 8. EACH SETTING AND ADJUSTMENT There is no information to be shown in this chapter. DVH-840AVBT/XEUW5...

  • Page 28: Exploded Views And Parts List

    9. EXPLODED VIEWS AND PARTS LIST OTES : Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List. 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.
  • Page 29 (1) PACKING SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Brown 127025020001-FY 141270000509000-FY Polyethylene Bag See Contrast table (2) Screw(M5 x 6) 121100070063-FY Unit Box See Contrast table (2) Bolt 121050000003-FY Contain Box See Contrast table (2) Cushion 121410000026-FY Side Key...

  • Page 30: Exterior (1)

    9.2 EXTERIOR (1) DVH-840AVBT/XEUW5...
  • Page 31 (1) EXTERIOR (1) SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Button(POWER) 141230303269018-FY Detach Panel See Contrast table (2) Double Side Tape 121445000246-FY Lens See Contrast table (2) Button(Four Point) 141230003268018-FY Cover 141290002380000-FY Panel 141210001357000-FY Button Bracket 141240001197000-FY Button...

  • Page 32: Exterior (2)

    9.3 EXTERIOR (2) DVH-840AVBT/XEUW5...
  • Page 33 (1) EXTERIOR (2) SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Screw(M2.6 X 5) 121040000054-FY Screw(M3 x 8) 121100070059-FY Screw(M2.6 X 5) 121106070011-FY Heat Sink 121015010165-FY Panel Assy 883DM7376HBZJ000-FY Screw(M2.6 x 12) 121104070026-FY Gear 141200010082-FY Bolt 121050000003-FY Damper...

  • Page 34: Schematic Diagram

    10. SCHEMATIC DIAGRAM 10.1 MB UNIT (1/2) (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 Guide page Detailed page DVH-840AVBT/XEUW5...
  • Page 35 DVH-840AVBT/XEUW5...
  • Page 36 DVH-840AVBT/XEUW5...
  • Page 37 DVH-840AVBT/XEUW5...
  • Page 38 DVH-840AVBT/XEUW5...
  • Page 39 DVH-840AVBT/XEUW5...

  • Page 40: Mb Unit (2/2) (Guide Page)

    10.2 MB UNIT (2/2) (GUIDE PAGE) DVH-840AVBT/XEUW5...
  • Page 41 DVH-840AVBT/XEUW5...
  • Page 42 DVH-840AVBT/XEUW5...
  • Page 43 DVH-840AVBT/XEUW5...
  • Page 44 DVH-840AVBT/XEUW5...
  • Page 45 DVH-840AVBT/XEUW5...

  • Page 46: Sb Smt Unit (Power Part) (Guide Page)

    10.3 SB SMT UNIT (POWER PART) (GUIDE PAGE) DVH-840AVBT/XEUW5...
  • Page 47 DVH-840AVBT/XEUW5...
  • Page 48 DVH-840AVBT/XEUW5...
  • Page 49 DVH-840AVBT/XEUW5...
  • Page 50 DVH-840AVBT/XEUW5...
  • Page 51 DVH-840AVBT/XEUW5...

  • Page 52: Sb Smt Unit (Main Part) (Guide Page)

    10.4 SB SMT UNIT (MAIN PART) (GUIDE PAGE) DVH-840AVBT/XEUW5...
  • Page 53 DVH-840AVBT/XEUW5...
  • Page 54 DVH-840AVBT/XEUW5...
  • Page 55 DVH-840AVBT/XEUW5...
  • Page 56 DVH-840AVBT/XEUW5...
  • Page 57 DVH-840AVBT/XEUW5...

  • Page 58: Kb Pcb And Aux Pcb (Guide Page)

    10.5 KB PCB and AUX PCB (GUIDE PAGE) DVH-840AVBT/XEUW5...
  • Page 59 DVH-840AVBT/XEUW5...
  • Page 60 DVH-840AVBT/XEUW5...
  • Page 61 DVH-840AVBT/XEUW5...
  • Page 62 DVH-840AVBT/XEUW5...
  • Page 63 DVH-840AVBT/XEUW5...

  • Page 64: Cb Pcb And Lb Pcb

    10.6 CB PCB and LB PCB CB PCB CON201 CN402 LB PCB EJECT CON406 RESET CB/LB ASSY Consists of CB PCB LB PCB DVH-840AVBT/XEUW5...
  • Page 65 DVH-840AVBT/XEUW5...

  • Page 66: Pcb Connection Diagram

    11. PCB CONNECTION DIAGRAM 11.1 MB UNIT NOTE FOR PCB DIAGRAMS MB UNIT 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 67 SIDE A ANTENNA WIRE REMOTE CON201 CON2 FRONT DVH-840AVBT/XEUW5...
  • Page 68 MB UNIT DVH-840AVBT/XEUW5...
  • Page 69 SIDE B 0.5W 0.5W DVH-840AVBT/XEUW5...

  • Page 70: Sb Smt Unit

    11.2 SB SMT UNIT SB SMT UNIT SIDE A CON201 DVH-840AVBT/XEUW5...
  • Page 71 SB SMT UNIT SIDE B DVH-840AVBT/XEUW5...

  • Page 72: Kb Pcb

    11.3 KB PCB KB PCB SIDE A DVH-840AVBT/XEUW5...
  • Page 73 KB PCB SIDE B CON1 DVH-840AVBT/XEUW5...

  • Page 74: Aux Pcb

    11.4 AUX PCB AUX PCB SIDE A AUX PCB SIDE B DVH-840AVBT/XEUW5...

  • Page 75: Cb Pcb

    11.5 CB PCB CB PCB SIDE A CON201 CB PCB SIDE B CN402 DVH-840AVBT/XEUW5...

  • Page 76: Lb Pcb

    11.6 LB PCB LB PCB SIDE A EJECT RESET CON406 DTHSW LB PCB SIDE B DVH-840AVBT/XEUW5...

  • Page 77: Electrical Parts List

    12. ELECTRICAL PARTS LIST NOTE: 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..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.
  • Page 78 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. > D101 SW DIODE 142200000019-FY FU201 FUSE 1.1A 144800000049-FY > D102 SW DIODE 142200000019-FY FU901 FUSE 1.1A 144800000049-FY D103 ESD DIODE 142239000012-FY X101 TCXO 4.0MHz 142825000256-FY D201 ESD DIODE 142236000006-FY X401 TCXO 32.768KHz...
  • Page 79 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. R314 RESISTOR RS1/10SR393J R450 RESISTOR RS1/10SR473J R315 RESISTOR RS1/10SR273J R451 RESISTOR RS1/8SQ102J R316 RESISTOR RS1/10SR273J R452 RESISTOR RS1/10SR473J R317 RESISTOR RS1/10SR393J R453 RESISTOR RS1/10SR473J R318 RESISTOR RS1/10SR393J R454 RESISTOR RS1/10SR473J R319...
  • Page 80 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. R524 RESISTOR RS1/10SR103J R525 RESISTOR RS1/10SR103J R938 RESISTOR RS1/10SR822J R526 RESISTOR RS1/10SR473J R939 RESISTOR RS1/10SR822J R940 RESISTOR RS1/10SR822J R530 RESISTOR RS1/10SR223J R941 RESISTOR RS1/10SR822J R532 RESISTOR RS1/10SR101J R942 RESISTOR RS1/10SR474J R603...
  • Page 81 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. C145 CAPACITOR CKSRYB103K50 C409 E.CAP 141830070107-FY C146 CAPACITOR CKSRYB103K50 C410 E.CAP 141830090107-FY C201 CAPACITOR 141809010106-FY C411 CAPACITOR CKSRYB104K16 C202 CAPACITOR 141809010106-FY C412 E.CAP 141830090107-FY C203 CAPACITOR CKSRYB104K16 C413 CAPACITOR CKSRYB104K16 C204...
  • Page 82 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. C734 CAPACITOR CKSRYB102K50 C948 CAPACITOR 141803000474-FY C803 E.CAP 141830090226-FY C949 CAPACITOR CKSRYB102K50 C804 E.CAP 141830090107-FY C950 CAPACITOR CKSRYB102K50 C805 CAPACITOR CKSRYB104K16 C959 CAPACITOR CCSRCH101J50 C806 CAPACITOR CKSRYB103K50 C960 CAPACITOR CCSRCH101J50 C810...
  • Page 83 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. SW DIODE 142200000019-FY RESISTOR RS1/16SS222J SW DIODE 142200000019-FY RESISTOR RS1/16SS103J SW DIODE 142200000019-FY RESISTOR RS1/16SS103J REC DIODE 142206000013-FY RESISTOR RS1/16SS103J ZENER DIODE 142224000016-FY RESISTOR RS1/16SS103J CHIP BEAD 142040000012-FY RESISTOR RS1/16SS153J CHIP BEAD...
  • Page 84 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. RESISTOR RS1/16SS102J RESISTOR RS1/16SS221J CAPACITOR CKSSYB104K10 RESISTOR RS1/16SS103J CAPACITOR CKSSYB104K10 RESISTOR RS1/10SR750J CAPACITOR 141806020106-FY RESISTOR RS1/16SS103J CAPACITOR CKSSYB104K10 CAPACITOR CKSRYB104K16 RESISTOR RS1/10SR102J RESISTOR RS1/10SR151J SMD E-CAP 141827000107-FY RESISTOR RS1/10SR750J SMD E-CAP 141827020476-FY...
  • Page 85 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. CAPACITOR CKSSYB104K10 Q207 TRANSISTOR 142245000077-FY CAPACITOR CKSSYB104K10 D201 SCHOTTKY DIODE 142233000026-FY CAPACITOR CKSSYB104K10 D222 ESD DIODE 142239000012-FY CAPACITOR CKSSYB104K10 D223 ESD DIODE 142239000012-FY CAPACITOR CKSSYB104K10 D224 ESD DIODE 142239000012-FY CAPACITOR CKSSYB104K10...
  • Page 86 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. R215 RESISTOR RS1/10SR182J LED202A 143405010069-FY R216 RESISTOR RS1/10SR222J LED202G 143405000084-FY R217 RESISTOR RS1/10SR332J LED203A 143405010069-FY R218 RESISTOR RS1/10SR203J LED203G 143405000084-FY R219 CHIP BEAD 142040000012-FY LED204A 143405010069-FY R220 CHIP BEAD 142040000012-FY LED204G 143405000084-FY...
  • Page 87 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. R280 RESISTOR RS1/10SR103J C243 CAPACITOR CKSRYB104K16 R281 RESISTOR RS1/10SR562J C244 CAPACITOR 141809040106-FY R284 RESISTOR RS1/10SR472J C248 E.CAP 141842070107-FY R285 RESISTOR RS1/10SR102J C249 CAPACITOR CKSRYB104K16 R286 RESISTOR RS1/8SQ680J C251 E.CAP 141842070107-FY R287...

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