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SERVICE MANUAL
SERVICE MANUAL
DVD RECEIVER
DR-645(S)/(B)
MODEL
There is no repair part available.
Please replace the complete product
or use a new product to secure repair parts.
Silver and Black models
S CMP2P
220-240V AC, 50/60Hz
B CMP2P
220-240V AC, 50/60Hz
S CMQ3P
220-240V AC, 50/60Hz
S CMR6P
220-240V AC, 50/60Hz
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
Ref. No. 4249
RC-798S
ON THE
DR-645
092010

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Summary of Contents for Onkyo DR-645(S)/(B)

  • Page 1 COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE...
  • Page 2: Table Of Contents

    Contents Page * Measurement Setup ....................... 1-1 * Items Safety Attention ..................2-1 to 2-2 * Instruction On CD Playability ................3-1 to 3-2 * Electrical Specificaction ..................4-1 to 4-2 * Block Diagram ........................5-1 * Wiring Diagram ....................... 6-1 * ECO Power and Speaker Output Board Circuit Diagram ......................
  • Page 3: Measurement Setup

    Measurement Setup Tuner FM Bandpass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 48001 RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Tuner AM (MW,LW) Bandpass LF Voltmeter...
  • Page 4: Items Safety Attention

    Items of Safety Attention...
  • Page 5 Items of Safety Attention...
  • Page 6: Instruction On Cd Playability

    Instruction On CD Playability Customer complaint "CD related problem" Set remains closed! check playability playability ok ? For flap loaders (= access to CD drive possible) "fast" lens cleaning cleaning method is recommended check playability playability ok ? Play a CD for at least 10 minutes check playability playability...
  • Page 7 LIQUID LENS CLEANING PLAYABILITY CHECK For sets which are compatible with CD-RW discs use CD-RW Printed Audio Disc ....7104 099 96611 This to avoid that little particles make scratches on TR 3 (Fingerprint) the lens. TR 8 (600μ Black dot) maximum at 01:00 : Fingerprint 10seconds “Cleaning Solvent For all other sets...
  • Page 8: Electrical Specificaction

    Electrical Specification NEON ELECTRICAL FACTORY LTD. ELECTRICAL SPECIFICATION MONO Auto SENSITIVITY(2KHz) Total Harmonic Distortion Frequence Response Channel Difference Channel Separation THD10% Output Power Channel Difference Channel Separation THD10% Output Power...
  • Page 9 Electrical Specification LINE OUT cd 1K 0dB...
  • Page 10: Block Diagram

    Block Diagram M3.3V M1.8V Foryou pick up DM-06BXLX-L2 DVD Loader Main chipset Loader motor driver CD5954 HDMI ESD REJECTOR Open/Close Driver COAXIAL OUT Door Detect DVD DOOR DET M3.3V SDRAM M12L64164A-7T M3.3V OPTICAL INPUT FLASH 2M * 8 bits MX29LV160 M3.3V SERIAL EEPROM 24C02...
  • Page 11: Wiring Diagram

    Wiring Diagram Speaker Output Board Decoder Board Tuner Board CON1 IPOD Board Transformer DVD Loader ECO Power Board USB Board Headphone Board Display Board Key Board...
  • Page 12: Layout Diagram

    ECO Power and Speaker Output Board -- Circuit and Layout Diagram Speaker Output Board ECO Power Board ECO POWER REL101 AC OUT CN102 REL1 REL2 F101 ~12V1 ~12V2 F2AL 250V CN101 AC IN 4P/2.0 CN103 SPK701 T2201 NE-394A-37 120V T-04-05...
  • Page 13: Display And Key Board Circuit Diagram

    Display and Key Board -- Circuit Diagram Display Board Circuit Diagram VFD1 STO-16T202 Key Board Circuit Diagram +5VS 2.0/14P R1 0 C1 47u SG35 VDD2 R2 0 R7 5.6k SG36 VSS2 S601 SG37 VSS1 R3 0 SG38 TESTOUT SG39 R4 0 R6 2.2k SG40 REM1...
  • Page 14: Layout Diagram

    Display and Key Board -- Layout Diagram...
  • Page 15: Layout Diagram

    Tuner Board -- Circuit and Layout Diagram L26 FB100 AGND AGND FM5V 8P/2.0 IC402 1.2V CX1117 FM5V 3.3V 3.3V OUT1 1.2V OUT2 L25 FB100 C406 C113 220UF/16V 100uF/16V 220UF/10V C435 1000uF R403...
  • Page 16: Layout Diagram

    IPOD Board -- Circuit and Layout Diagram DET-1~1 RX-1~1 TX_IPOD/SCL ACC-POWER SY_IPOD SC_IPOD TPB(+) R621 75K iPod-Video~1 Data(+) R619 TPB(-) +I5V C607 R611 Data(-) +I5V R618 75K L600 TPA(+) 104P R616 0 5VDC(+) 10uH C608 TPA(-) 100uF/16v R614 Serial enable 549K SGND +12V...
  • Page 17 USB and Headphone Board -- Circuit and Layout Diagram USB Board Headphone Board JACK901 JACK202 AUX-R Shield 3P/2.0 AUX-L GND_USB vbus 4P/2.0 J104A AGND-1 HP-MUTE1 HP-L1 HP-R1 4P/2.0...
  • Page 18: Decoder Board -- Circuit Diagram 1

    Decoder Board -- Circuit Diagram 1 R105 0/0805 FM/DAB_5V U1 RS406 L98 FB/1k CES2307/NC MPEG_ON MPEG_ON STANDBY STANDBY R107 TUNER_RST/DAB_ON R106 TUNER_RST/DAB_ON ECO_POWER ECO_POWER 47K/NC CE40 CB83 R430 10K/1%/NC R431 0 R432 0 0.1uF CD11X/220UF16V/D6.3H7 CB85 0.1uF CE41 R111 1K/NC CD11/2200UF25V/D16H25 AP1501-5V 100uH_2.5A...
  • Page 19 Decoder Board -- Circuit Diagram 2 R135 4.7K R136 10K TP10 TP11 R137 10K TP12 2N3904 R138 TP13 CON2.0-6 R139 1/0805 SP-A LDO2 LDO2 R141 LDO1 R140 33 LDO1 LIMIT GPIO4 4.7K MDI1 MDI1 2N3904 2N3904 L36 FB TP14 R142 TP15 R143 CB103...
  • Page 20 Decoder Board -- Circuit Diagram 3 89S_3V3 ADACVDD 0/0805 APLLVDD3 0/0805 DACVDD3 TX0+ TX0+ TX0- TX0- CB112 TX1+ CB109 CB110 CB111 TX1+ TX1- R161 100K TX1- CB108 CE60 0.1uF 0.1uF 0.1uF 0.1uF TX2+ CE61 CD11X/100UF16V/D6.3H7 TX2+ TX2- RFV33 0.1uF CD11X/10UF16V/D4H7 TX2- TXC+ TXC+...
  • Page 21 Decoder Board -- Circuit Diagram 4 K4S641632H-UC60 DQ[0..15] DQ[0..15] MA[0..11] EN29LV160AB-70TCP MA[0..11] BA[0..1] BA[0..1] DQM[0..1] DQM[0..1] DCLK DCLK DCKE DCKE CAS# DCS# CAS# RAS# DRAS# RAS# RAS# DCAS# CAS# DWE# MA10 DQ10 A10/AP DQ10 DBA0 MA11 DQ11 DQ11 DBA0 DQ12 BA0/A13 DQ12 PCE#...
  • Page 22 Decoder Board -- Circuit Diagram 5 TXC+ TXC+ TXC- TXC- TX0+ TX0+ TX2+ TX0- TX0- TX2- TX1+ TX1+ TX1- TX1- TX2+ TX2+ TX2- TX2- TX1+ TX1- GPIO[6..7] GPIO[6..7] HDMI_SCL HDMI_SDA HDMI TX0+ TX0- HDMI_VCC MCU5V FB/2.2K/0805 CB81 CE38 0.1uF 1N4148 CD11X/10UF16V/D4H7 TXC+ TXC-...
  • Page 23 Decoder Board -- Circuit Diagram 6 +5VV CB160 R195 0.1uF +5VV 3.3K CD11X/22UF16V/D4H7 1.8uH CE74 ASPDIF ASPDIF 2N3904 CVBS CVBS G/Y/DVD CB161 R196 R197 47pF 2.2K 160 1% 47pF CE75 0.1uF R198 CD11X/100UF16V/D6.3H7 75 1% VIDEO_IPOD VIDEO_IPOD VIDEO_SW VIDEO_SW SC_IPOD SC_IPOD SY_IPOD SY_IPOD...
  • Page 24 Decoder Board -- Circuit Diagram 7 78L05-5V SCL_DVD SCL_DVD SDA_DVD SDA_DVD 24C02 R219 M_CLOSE TP33 MPEG_ON MCU5V MPEG_ON CON2.0-5 8550/DIP 8050/DIP TP34 TO-92A STANDBY STANDBY MSDA R221 CLOSE_SW TP35 R225 4.7K VCC_MCU MCU5V TRIN TRIN MSCL R222 R223 TP36 R224 ECO_POWER IN4001/DIP R226...
  • Page 25: Layout Diagram

    Decoder Board -- Layout Diagram 7-14 7-14...
  • Page 26 TRANSFORMER TRANSFORMER--Metal Plate 24000039 AC SOCKET SPK OUTPUT BOARD DVD BACK METAL PLATE RADIO DATA TRANSFER PCB 07-DR545-05A101 DECODER BOARD PARTS/ONKYO DVD METAL BOTTOM CHASSIS 08-MCD906-06A104 DVD LOADER MECHANISM 39-DRH380-14A100 DVD MECHANISM BRACKET ABS SHEET COPPER/14X8X0.2 37-DR545-04A100 Display and Key Board ASS’Y...
  • Page 27: Revision List

    Revision List Revision List Version 1.0 * Initial Release Version 1.1 * Update power board circuit diagram 10-1...
  • Page 28 Service Dept. Technical Support : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8163 ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 800-229-1687, 201-785-2600 Fax: 201-785-2650 http://www.us.onkyo.com/ ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.eu.onkyo.com/...

This manual is also suitable for:

Dr-645sDr-645b

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