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DR-645

SERVICE MANUAL

SERVICE MANUAL

RC-798S

DVD RECEIVER

Silver and Black models

MODEL 

DR-645(S)/(B)

Ref. No. 4249

092010

220-240V AC, 50/60Hz
220-240V AC, 50/60Hz
220-240V AC, 50/60Hz
220-240V AC, 50/60Hz

S CMP2P
B CMP2P
S CMQ3P
S CMR6P

There is no repair part available.
Please replace the complete product 
or use a new product to secure repair parts.

SAFETY-RELATED COMPONENT 
WARNING!!

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

MEASUREMENTS TO DETERMINE THAT EXPOSED

PARTS ARE ACCEPTABLY INSULATED FROM  THE

SUPPLY CIRCUIT BEFORE RETURNING THE

APPLIANCE TO THE CUSTOMER.

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

Page 1: ...omplete product or use a new product to secure repair parts SAFETY RELATED COMPONENT WARNING 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 MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEP...

Page 2: ...utput Board Circuit Diagram 7 1 Layout Diagram 7 1 Circuit Diagram 7 2 Layout Diagram 7 3 Display and Key Board Tuner Board Circuit Diagram 7 4 Layout Diagram 7 4 IPOD Board Circuit Diagram 7 5 Layout Diagram 7 5 USB and Headphone Board Circuit Diagram 7 6 Layout Diagram 7 6 Decoder Board Circuit Diagram 7 7 to 7 13 Layout Diagram 7 14 Explode View Diagram 8 1 Factory Part List 9 1 to 9 7 Revision...

Page 3: ...Hz e g 7122 707 48001 LF Voltmeter e g PM2534 DUT S N and distortion meter e g Sound Technology ST1700B Frame aerial e g 7122 707 89001 Tuner AM MW LW To avoid atmospheric interference all AM measurements have to be carried out in a Faraday s cage Use a bandpass filter or at least a high pass filter with 250Hz to eliminate hum 50Hz 100Hz RF Generator e g PM5326 0 5 i R Bandpass 250Hz 15kHz e g 712...

Page 4: ...Items of Safety Attention 2 1 ...

Page 5: ...2 2 Items of Safety Attention ...

Page 6: ...T OK check playability N Y playability ok check playability check playability return set Customer complaint CD related problem fast lens cleaning 1 2 3 For flap loaders access to CD drive possible cleaning method 4 is recommended Exchange CDM 1 4 For description see following pages 3 1 Instruction On CD Playability ...

Page 7: ...G E D VFUDWFKHG GLUW RU FRS SURWHFWHG Q FDVH SUREOHPV UHPDLQ WKH FXVWRPHU LV UHTXHVWHG WR FRQWDFW WKH ZRUNVKRS GLUHFWO The lens cleaning method 3 should be mentioned in the addendum sheet The ILQDl wording in national language as well as the printing is under responsibilit oI the Regional Service Organizations LIQUID LENS CLEANING HFDXVH WKH PDWHULDO RI WKH OHQV LV V QWKHWLF DQG FRDWHG ZLWK D VSHF...

Page 8: ... 2 1 7 1 8 6 0 7 7 6 7 7 67 7 12 120 Total Harmonic Distortion 32 6 7 21 G 6 1 7 0RGXODWLRQ 80 THD10 Output Power MONO 0 6 7 21 6WHUHR KDQQHO 6HSDUDWLRQ 0 7 0 H J Q D 5 F Q H X T H U 30G 4XHQWLQJ 6HQV dBu Auto 7XQQLQJ 6WRS 6HQV 7 67 7 7 32 5 G LPLWLQJ 3RLQW 0 5HMHFWLRQ 0 6 1 G PDJH 5HMHFW 0 6 1 G 6HOHFWLYLW 6 2YHU LVWRUWLRQ RDS SENSITIVITY 2KHz dB Channel Difference G 5HVLGXDO QRLVH 9RO 80 92 0 0 ...

Page 9: ... 7 21 5 287387 32 5 7 KP 5 5 48 1 5 63216 7 28 63 5 287 5 6 8 12 6 92 ZLWK VLJQDO 1387 6 16 7 9 7 5 7 287387 32 5 7 7 0 9 G I 0 PRG G 6 1 5 7 2 7 80 92 0 9 5 1 5 7 287387 32 5 7 03 5 67257 21 KDQQHO 6HSDUDWLRQ 2XWSXW OHYHO G 8 6 7 21 7 0 7 1 8 6 0 7 7 6 7 2 1 7 67 7 7 DW G 6 6 1 HLJKWHG KDQQHO 8QEODQFH UHTXHQF UHVSRQVH LINE OUT Electrical Specification 4 2 ...

Page 10: ...DIF SLAVE MASTER MPEG I2C BUS A12V VFD VF2 VF1 POWER 27V SUPPLY MPEG I2C BUS HEADPHONE MUTE M3 3V M1 8V EEPROM 24C02 MCU5V 5V HP AMP TDA8922 POWER AMP 4 Ohm 50W at 10 4 Ohm 50W at 10 PT2313 AUDIO PROCESS A12V AUDIO ML MR FM L R 26V uA78M12 12V IPOD DIN9 ECO_POWER MCU5V DISPLAY BOARD ECO POWER STANDBY STANDBY PT2309 VFD BUS IR SL SR 772 YUV AV DVD DOOR DET 74LVC2G04 M3 3V Buffer COAXIAL Open Close ...

Page 11: ...J10 J6 CON1 J4 J5 J8 DVD Loader Transformer Headphone Board USB Board AGND HP R HP L H METU GND DN DP 5V AUX R AGND AUX L ECO Power Board JP4 JP2 JP1 JP3 Key Board KEY1 KEY2 ECO GND 5V VFD1 VFD2 32V DATA STB CLK REM RA0 RB0 Display Board Decoder Board GND R GND L Speaker Output Board AC220V 6 1 6 1 ...

Page 12: ...d Layout Diagram REL101 1 2 3 CN103 AC IN 1 2 3 CN102 AC OUT 1 1 2 2 3 3 4 4 T2201 NE 394A 37 120V 1 2 3 4 CN101 4P 2 0 F101 F2AL 250V ECO POWER 12V1 12V2 REL1 REL2 4 3 2 1 SPK701 T 04 05 1 2 3 4 CN6 4P ECO Power Board Speaker Output Board 7 1 7 1 ...

Page 13: ...1 SLK 32 TESTOUT 33 VSS1 34 VSS2 35 VDD2 36 NC 37 SG1 38 SG2 39 SG3 40 SG4 41 SG5 42 SG6 43 SG7 44 SG8 45 SG9 46 SG10 47 SG11 48 SG12 49 SG13 50 SG14 51 SG15 52 SG16 53 SG17 54 SG18 55 SG19 56 SG20 57 SG21 58 SG22 59 SG23 60 SG24 61 SG25 62 SG26 63 SG27 64 SG28 65 SG29 66 SG30 67 SG31 68 SG32 69 SG33 70 SG34 71 NC 72 SG35 73 SG36 74 SG37 75 SG38 76 SG39 77 SG40 78 SG41 79 SG42 80 SG43 81 SG44 82 S...

Page 14: ...Display and Key Board Layout Diagram 7 3 7 3 ...

Page 15: ...2 0 RST SCL SDA FML AGND AGND FM5V FMR 1 2V 1 3 3V 2 GND 3 GND 4 FMIF OUT 5 GND1 6 IF BUFF 7 ST 8 AMIF OUT 9 FMIF IN 10 AMIF IN 11 AGC 12 DATA 13 CLOCK 14 FM AM 15 L OUT 16 R OUT 17 MPXIN 18 DET OUT 19 FM OSC 20 VCC2 21 RF OUT 22 GND2 23 RF IN 24 FM AM 25 R OUT 27 FM L 29 FM OSC 26 GND 28 FM R 30 IC1 FMR RML SDA SCL L26 3 3V 1 2V FB100 Tuner Board Circuit and Layout Diagram 7 4 7 4 ...

Page 16: ... A1 GND A2 GND A3 GND A4 GND A5 GND A6 JACK600 IPOD R614 549K R615 0 R616 0 R625 49 9K R618 75K R621 75K R624 49 9K R617 10K R622 8 2K R623 8 2K R620 330 R619 330 C607 104P C608 100uF 16v L600 10uH R611 10K DET 1 1 RX 1 1 iPod Video 1 SY_IPOD SC_IPOD I5V SGND GND R L TX_IPOD SCL ACC POWER GND GND I5V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CN7 16P 2 0 C609 102 C610 102 IPOD Board Circuit and Layout...

Page 17: ...it and Layout Diagram 1 2 3 4 CN3 4P 2 0 J104A HP L1 HP R1 HP MUTE1 AGND 1 Headphone Board USB Board vbus 1 D 2 D 3 GND 4 Shield 5 JACK901 USB 1 2 3 4 CN5 4P 2 0 5V DN DP GND_USB TO MPEG JACK202 AUX L AUX R 1 2 3 CN4 3P 2 0 7 6 7 6 ...

Page 18: ...3H7 R122 4 7K CB83 0 1uF D32 3V SMD NC L33 100uH_2 5A R125 22K Y1 R112 4 7K NC R129 22K U2 AP1501 5V 2 1 3 4 5 VOUT VIN GND FB SD Q13 CES2307 NC R394 1K CB94 0 1uF R130 1 2K CB99 0 1uF C151 1uF Y2 CB91 0 1uF U4 CX1117 ADJ TO 252 3 SMD 1 3 2 ADJ IN OUT1 R134 330 TP8 R107 33K CB86 0 1uF CE45 CD11 220UF35V D8H14 R116 33K R431 0 L34 0904 100R Y3 R121 33K R119 1K CB102 0 1uF R123 100 CE48 CD11X 220UF16...

Page 19: ...13 14 15 16 17 18 19 20 21 22 23 24 2 5 1 R137 10K CB105 0 1uF CE59 CD11X 470UF10V D8H7 Q22 2N3906 2 1 3 C3 150pF R147 680K Q23 8550 DIP 2 1 3 R136 10K Q20 8550 DIP 2 1 3 Q18 2N3904 2 1 3 TP11 R160 10K R138 10K R142 100 R149 10K R155 1 0805 TP10 R156 10K CB107 0 1uF R159 20K Q19 2N3904 2 1 3 R140 33 R144 10K R153 1 0805 CE54 CD11X 220UF16V D6 3H7 TP12 R154 1 0805 R150 150K R141 4 7K R152 1 0805 CE...

Page 20: ...USB_DM VDD33_USB VSS33_USB PAD_VRT VDD18_USB VSS18_USB USB_XTALO GPIO15 USB_XTALI GPIO14 FG GPIO16 IOA22 GPIO18 DVDD18 IOA2 IOA3 IOA4 IOA5 IOA6 IOA7 HIGHA0 IOA18 IOA19 DVDD33 IOWR A16 HIGHA7 HIGHA6 HIGHA5 HIGHA4 HIGHA3 HIGHA2 HIGHA1 IOA20 IOCS IOA1 IOOE AD0 AD1 DVSS18 AD2 AD3 AD4 AD5 AD6 IOA21 GPIO17 ALE AD7 DVSS33 A17 IOA0 DVDD18 UWR URD DVDD33 UP1_2 GPIO19 UP1_3 VSCK UP1_4 VSTB UP1_5 VSDA UP1_6 ...

Page 21: ...1uF CB153 0 1uF U9 K4S641632H UC60 1 2 4 12 5 7 9 8 10 46 11 13 15 16 17 18 19 35 22 23 24 25 26 14 41 29 30 31 32 33 34 36 37 38 39 40 43 42 44 52 45 47 49 48 50 51 53 54 20 21 3 6 27 28 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 DQML WE CAS RAS CS A11 A10 AP A0 A1 A2 A3 VCC VSS A4 A5 A6 A7 A8 A9 NC CKE CLK DQMH NC VCCQ DQ8 DQ9 VSSQ DQ10 DQ11 VCCQ DQ12 DQ13 DQ14 DQ15 VSS BA0 A13 BA1 A12 V...

Page 22: ...X1 TX2 GPIO 6 7 TX2 TX1 TXC TXC HPD CEC VCC V33 MCU5V D23 NC R102 1 5K R99 27K R104 33 D24 NC D18 NC P1 HDMI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 21 20 23 D19 NC D14 NC CE38 CD11X 10UF16V D4H7 D15 NC D16 NC CB81 0 1uF D22 1N4148 D17 NC R103 33 L32 FB 2 2K 0805 D20 NC D21 NC R101 1 5K Decoder Board Circuit Diagram 5 A A A A A A A A A A A A A A A 7 11 7 11 ...

Page 23: ...904 2 1 3 C52 47pF C49 ESD CB211 0 1uF L102 FB 0603 Q25 2N3904 2 1 3 R199 100 C44 47pF CE76 CD11X 22UF16V D4H7 TP27 R419 33 R206 75 1 Q28 2N3904 2 1 3 C40 47pF CB161 0 1uF R211 75 1 C43 47pF CE133 CD11X 47UF16V D5H7 L68 1 8uH L61 1 8uH R209 160 1 C42 330pF CB162 0 1uF U3 PT2328 SSOP16 2 3 5 6 11 10 14 13 1 15 16 12 9 7 4 8 S1A S2A S1B S2B S1C S2C S1D S2D IN EN VDD DD DC DB DA GND R201 3 3K TP29 C4...

Page 24: ... TP109 U22 R424 100 TP35 R413 330 C114 10uF 10V R312 0 R302 22K CE96 CD11X 47UF16V D5H7 R334 1K CB194 0 22uF U20 TDA8920CTH TDA8920CTH SOT566 3 8 9 11 2 5 4 1 13 19 24 18 23 20 16 7 12 10 15 6 3 22 21 14 17 IN1 IN1 SGND1 SGND2 IN2 IN2 VSSA2 PROT SUB VSSD VSSD STABL VDDP2 VSSP2 OUT1 OSC VSSA1 VSSA1 BOOT1 MODE VDDA2 BOOT2 OUT2 VDDP1 VSSP1 CB173 0 1uF U15 R5R0C028FA R8C2425 LQFP52 1 2 3 4 5 6 7 8 9 1...

Page 25: ...Decoder Board Layout Diagram 7 14 7 14 ...

Page 26: ... TRANSFORMER Rubber Pad TRANSFORMER Nut TRANSFORMER Screw TRANSFORMER Metal Plate 37 DRH380 14A100 DVD METAL BOTTOM CHASSIS 39 DRH300 14B200 POWER BOARD BOX ECO PWOER BOARD ASS Y 39 DRH300 08A101 FOOT 1 ABS 36000824 BLACK SPONGE 37 DRH635 01A100 USB PRESS PLATE USB BOARD ASS Y VOLUME CORE ABS VOLUME KNOB COVER PLAY BUTTON BRACKET ABS DR545 PLAY BUTTON COVER PLASTIC PAD ABS 38000800 SCREW 3 X 10 PW...

Page 27: ...Revision List Revision List Version 1 0 Initial Release Version 1 1 Update power board circuit diagram 10 1 ...

Page 28: ... 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 Service Dept Technical Support 2 1 Nisshin cho Neyagawa shi OSAKA 572 8540 JAPAN Tel 072 831 8023 Fax 072 831 8163 ONKYO CORPORATION http www onkyo com HOMEPAGE ONKYO CHINA LIMITED Unit 1 12 9 F Ever Gain Plaza Tower 1 88 Container Port Road Kw...

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