Kenwood-DVR5070-avr-sm 电路图 维修手册.pdf

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1、70% DVD / AV RECEIVER DVR-5070 SERVICE MANUAL 2001-12 PRINTED IN KOREA B51-5778-00 (K/K) 1382 Front panel (A60-2252-08) DEC crystal (B10-3860-08) DIN socket (E63-1243-08)x4 Pun cover (A01-3863-08) In compliance with Federal Regulations, following are repro- duction of labels on, or inside the produc

2、t relating to laser product safety. KENWOOD-Corp. certifies this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM. Caution : No connection of ground line if disassemble the uni

3、t. Please connect the ground line on rear panel, PCBs, Chassis and some others. Knob(VOLUME) (K29-8207-08) DEC button (K29-8163-08) DEC button p (K29-8165-08) Tuner assy (W02-2925-08) MLD clamp (J42-0350-08) Wire-MCRDM (E30-7276-08) Plastic MLB (B19-1643-08) Oscillating module (W02-2911-08) Oscillat

4、ing module (W02-2936-08)x2 Phono jack (E63-1244-08)x2 Phono jack (E63-1271-08) Conn-speaker (E70-0165-08) Phono jack (E63-1274-08)x2 Optical input jack (W02-2934-08) Phone jack (E11-0957-08) S-video jack (E56-0045-08) RCA jack (E63-1272-08) DIN socket (E56-0046-08) RadioFans.CN 收音机爱 好者资料库 DVR-5070 2

5、 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS / ACCESSORIES / CAUTIONS. 2 BLOCK DIAGRAM .3 CIRCUIT DESCRIPTION.4 WIRING DIAGRAM.9 PC BOARD .10 SCHEMATIC DIAGRAM . 15 EXPLODED VIEW .28 PARTS LIST.29 SPECIFICATIONS .Back cover Contents FM indoor antenna (1) (T90-0882-08) Loop antenna(1) (T90-0896-08) Vi

6、deo cord(1) (E30-1427-08) Speaker cord(5) (E30-7271-08): RED (E30-7272-08): WHT (E30-7273-08): GRN (E30-7274-08): GRY (E30-7275-08): BLU Batteries (LR03/AAA)(2) Remote control unit (1) (A70-1582-08) Caution on condensation Condensation (of dew) may occur inside the unit when there is a great differe

7、nce in temperature between this unit and the out- side. This unit may not function properly if condensation occurs. In this case, leave the unit for a few hours with the power left ON, and restart the operation after the condensation has dried up. Be specially cautious against condensation in a foll

8、owing circumstance: When this unit is carried from a place to another across a large difference in temperature, when the humidity in the room where this unit is installed increases, etc. Stored contents which are cleared in at least a week after power plug is unplugged from power outlet. Amplifier s

9、ection Last input selection Volume control value Surround setting Tuner section Receiving band Frequency Preset stations Tuning mode setting DVD section Menu setup Power status Memory backup function Note related to transportation and movement Before transporting or moving this unit, carry out the f

10、ol- lowing operations. 1Remove the disc from the unit. 2Press the 6 key. 3Wait a few seconds and turn the unit OFF. Operation to reset The microcomputer may fall into malfunction (impossibility to operate, erroneous display, etc.) when the power cord is un- plugged while power is ON or due to an ext

11、ernal factor. In this case, execute the following procedure to reset the microcom- puter and return it to normal condition. Please note that resetting the microcomputer clears the contents stored in and returns and to condition when it left the factory. Set the POWER switch to ON (set to Standby mod

12、e). Then press the key, 4 key and STOP key in this order. Cautions Accessories RadioFans.CN 收音机爱 好者资料库 Cautions DVR-5070 3 BLOCK DIAGRAM D GND 6dB 6dB C-VIDEO DVD S-VIDEO 6dB 6dB DVD AGND -5.6V +5.6V COMPOSITE R(CR) B(CB) G(Y) C Y +5.6V -5.6V AGND R(CR) B(CB) G(Y) C Y CVBS FROM SYSTEM u-COM 27MHz DA

13、C MCLK AGND MGND DGND +5.6V SPDIF DGND MGND +5VA AGND +12VA -5VA +3.5V +2.5V +5V +5.5VS +9VM +12VM to DVD The value shown in ( ) is the voltage measured at the moment of STOP. PQSUWYRTVX 2 1 3 5 7 4 6 (1/2) (BOTTOM VIEW)(BOTTOM VIEW) CP1CP2 CP3 CP401 CP402 (2/2) IC11 IC11 IC8 (2/2) (1/2) IC8 (2/2) I

14、C7 IC7 (1/2) (2/2) IC6 IC6 (1/2) IC12 IC12 (2/2) (1/2) Q2 JAC1 JAC5 COAX-IN 1 JAC4 OPTI-OUT OPTI-IN 1 DIR SURROUND PROCESSOR ADC The value shown in ( ) is the voltage measured at the moment of STOP. ZABADAFAHAAACAEAGAI 2 1 3 5 7 4 6 CP608 CP106 CP114CP107CP108CP115 Cr Lch JACK103 Rch Lch Rch VIDEO1

15、OUT Rch Lch VIDEO1 IN CABLE SAT/ JACK102/104 Cb Y IC10 (1/2) (2/2) BUFFER Q78 Q79 Q80 D89 D93D92 Q84 Q85 Q87 HEADPHONE AMP MUTE D103 D102 KJ N TUNER PACK DVD BD- 1/4 CN205 FUNCTION SELECTOR FRONT L D86 Rch CABLE TV Lch JACK104 AUDIO IC10 MUTE MUTE CONT. VOLUME CONTROL 1 2 1 2 D4 CP401 DSP BD- 2/4 J1

16、 CN4 IC5(1/4) WH1 CN2 IC5(3/4) IC1(3/4) D2 IC5(4/4) D3 SW ch IC1(2/4) DETECTOR LIMITER IC5(2/4) D1 IC1(4/4) IC1(1/4) SR ch SL ch IC2(3/4) C ch IC2(1/4) IC2(2/4) IC2(4/4) CP402 2/4 DSP BD- IC3(2/4) FR ch CN1 FL ch IC3(1/4) IC3(4/4) IC3(3/4) CN3 IC1-3,5 : NJM2058M IC6: THAT2155 D1: DA204U D2,3: 1SS355

17、 1N4148D4: (BOTTOM VIEW) 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NC L BASS 1 L BASS 2 L BASS 3 LTRE BYPASS L BYPASS R L IN GND L R IN GND R C IN GND C SL IN SR IN GND S SW IN A VDD OUT 1 OUT 2 OUT 3 OUT 4 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 NC R BASS 1

18、R BASS 2 R BASS 3 RTRE CR2 CR1 CL2 CL1 A VSS L OUT R OUT C OUT SL OUT SR OUT SW OUT A GND D GND LATCH DATE CLK D VDD 3 2 1 4 A+ INPUT A- INPUT A OUTPUT V- 8 5 6 7 V+ B+ INPUT B- INPUT B OUTPUT 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 VDD RES S VSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 VEE CE DI CL

19、 1 2 3 4 5 6 7 8 9 10 11 SW OUT FL FR C GND SW 1 2 3 4 5 6 7 8 9 10 11 12 GREEN BLUE RED GND GND FRONT L GND FRONT R GND DVD L GND DVD R 13 12 11 10 987654321 RDS DATA RDS CLK GND DATA OUT CLK DATA IN PLL CE AUDIO(R) GND AUDIO(L) VCC 12V TUNED 12345678910111213 RDS DATA RDS CLK PLL DATA IN +5V CLK P

20、LL DATA OUT PLL CE TUNED T MUTE C/R MUTE NC W/F MUTE LIMITER 12345678 7821 CE 7821 DATA 7821 CLK SUB ON/OFF SM7346 CE SM7346 DATA SM7346 CLK SPK RELAY 11 10987654321 +15V -15V +5V(D) L IN A GND R IN A GND D GND +5V(A) D GND +3.3V C97 100P C99 100P C98 100P R96 1K R125 1K R95 1K 1 2 3 R57L 470 1u50 +

21、 C100 R97 R57R 470 100K 220K 100P R2R C1RC1L 100P 220K R2L 470 R1L R1R 470 220K 220K 470 470 C3LC3R 100P R5R 100P R5L 470 C2RC2L 100P R3R 100P R4RR4L R3L 470 1000P C5R 1000P C5L 220K220K R7RR7L R6L 470 470 R6R C4R 100P100P C4L 3 2 4 1 5 6 8 7 4.7u50 + C51L 100K R58L 100K R58R 4.7u50 + C51R 4.7u50 +

22、C52L 4.7u50 + C52R 10 1 7 8 9 10 1 7 8 9 12 13 12 13 3.3K R92 3.3K R93 100u16 C95 + R94 22 1W 7 6 5 4 3 2 1 +3.3V 15V +15V C117 100P 0.33u50 + C105 3.3u50 + C110 3.3u50 + C113 2.2K R106 1000P C112 0.015 C106 C54 8200P 2.2K R107 1000P C111 0.015 C103 0.33u50 + C104 8200P C109 C116 100P C115 100P 8 11

23、 12 10 9 7 270 R104 270 R102 4.7 R105 47u16 + C108 4.7 R103 47u16 + C107 1W 1W B+B 15V +15V B 750 R108 2.7K R109 47u16 + C114 R110 4.7K R111 4.7K R112 1K 6 7 5 15V +15V 15V +15V +B +15V 120 R48L 47u16 + C146L 68K R47L 1K R44L 0.1 C24L R46L 6.8K 22K R45L R45R 1K R44R R46R 6.8K 0.1 C24R 68K R47R 120 R

24、48R 47u16 + C146R 3.3K R49R 3.3K R49L 100K R59R 100K R59L 4.7u50 C7R + 4.7u50 C7L + 4 +15V 15V 15V +15V 15V 15V 15V +15V +15V +15V +15V IC75 1W 1W +12V +5V +5V +5V 85 90 87 +PA HP L SL HP R SR 470 C3L1C3L2 100P R5R2 100P R5R1 470 R4R2 220K R4R1 220K 1K R607 +15V C95 100u25 +3.3V+3.3V DGND +5VA DGND

25、AGND R IN AGND +5VD -15V +15V 11+3.3V 5 10 9 8 +5V 7 6 15V2 L IN4 3 1+15V 1u50 + C93 1u50 C92 8 6 7 5 R11 3K C7 0.1 C6 47P R12 51K 3 2 1 W1 0 + R80 R81 10 10 +15V 15V C101 10u50 + + C102 10u50 SW ON/OFF2 +PA RAIL3 SW SIGNAL1 11 +3.3V AGND5 10 9 8 +5V DGND +5VA DGND 7 6 AGND R IN 15V-15V2 4 3 L IN +5

26、VD +15V1+15V R26 4.7K 3 130K R9 R10 51K 4 R13 51 3 1 2 13 + 14 12 0 R59 510 R60 100W2 11 C3 0.1 C91 + 10u50 8 R58 24K 9 10 C1 2200P 2.2k R1 10K0.47u50 + 6 5 7 R2C90 R3 39K R8 12 C50 1000P 20K R55 C8 0.1 11 8 10 9 R53 9.1K 7 6 5 130K R54 9.1K 14 R51 1K R52 10K C94 + 10u50 15V 13 R6 130K C97C96 2 R5 1

27、80K 0.10.1 C2 0.1 1 4 3 R4 12K C49 0.1 4 130K +15V R7 +15V C51 0.1 C41 R42 2.2K 2200P C42 2.2K R41 2200P 36K R27 0.01 C25 2.2K 2200P C21 R21 3900P10 C26 9 R47C45 R46C48 R44 51K 33K 0.015 C44R48 C46 680P 2 1 1500P R50 120K 56K 33K 51K0.015 C43 680P R43 6 5 7 R49 120K R23 R25 82K 56K 43K 15V 0.027 C47

28、 1500P R45 56K 13 12 14 34K R24 8 C23 11 C22R22 680P C24 1000P +15V 15V SW GND SR GND SL GND C GND F L/R GND R71 4.7K C28 10 SW SR 11 10 9 6 SL 8 7 C5 4 2.2K 2200P C32 R32 5 3900P C72 0.01 36K R74 C74 6 FR3 2 FL1 C71 0.01 R73 36K 2.2K 2200P R72 4.7K C31 R31 3900P C73 2 43K0.056 C27 0.1 3 1 4 R38 33K

29、 C36 C34 680P R34 7 R40 82K 1000P C38 56K R36 +15V R35 56K R39 82K 14 43K 0.1 0.056 15V 12 13 R33 C35 C33 11 680P 9 8 R37 33K C37 1000P 11 10 9 SW SR GND HP R6 8 7 SL C 5FR +PA RAIL 4HP L 3 2 FL SW OUT1 22K 15V 15.0V -15.3V OFF : 0V MUTE ON : 0.7V OFF : 0V MUTE ON : 0.7V 12.7V 15.0V 7.0V -6.9V -15.3

30、V 6.9V OFF : 5.2V MUTE ON : 2.9V OFF : 5.3V MUTE ON : 4.8V 15.0V -15.0V 5.56V 4.9V MUTE ON : 4.7V OFF : 0V 15.0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0.8V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 5.56V 0V 0V 0V 0V 4.9V ON : 2.4V OFF : 5.2V MUTE 5.3V 0V 0V 0V 5.0V 0V 0V 0V 4.9V -15.3V 15.0V 0V 0V 0V 4.9V 0

31、V 0V 0V 3.3V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V -6.9V 3.3V3.3V 0V 0V 4.9V 0V 0V 15.0V -15.3V 4.9V 0V 0V 0V 0V 14.6V -2.7V 0V 0V 4.9V 0V 0V 0V 0V 4.9V -15.3V 15.0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V IC84 IC85 IC75 B MAIN BD SUB WOOFER PRE OUT JACK BD F IC6

32、E ACTIVE EQ BD Y- 1 Y- 4 AY-6AY-5 BB-1 AH-7 AN-7 M - 4 AD-6 AJAKAMAOAQASALANAPAR CP103 CP104 JACK101-C Q91 D94 Q92 D95 Q93 D96 JACK101-B JACK101-A -15V AVR +5V AVR +3.3V AVR D80 D79 D82 D81 Q75 H/P (Lch) IC88 (1/2) D704 D705 Q2FL Q2FR IC88 (2/2) D706 D707 (2/2) Q2SR Q2SL IC87 (1/2) D712 D713D711 D71

33、0 IC86 (1/2) (2/2) Q2SW Q2C Q1FL Q1FR Q1SW Q1C POWER AMPLIFIER Q82 D104 M L FRONT-L FRONT-R PRE AMPLIFIER REAR-L REAR-R CENTER SUB-WOOFER D501 D502 POWER AMPLIFIER D504 POWER AMPLIFIER D505 POWER AMPLIFIER D503 POWER AMPLIFIER Q1SR Q1SL D84 Q88 Q89 D85 Q90 D87 Q703 Q702 Q705 Q704 Q701 D702 D703 CN60

34、1 Q402 Q407 Q403 Q401 Q404Q405Q406 Q77Q76PROTECTION CN3CN2CN1 M THERMISTOR THERMISTOR FAN MOTOR RELAY CONT. RELAY CONT. RELAY CONT. D901 MUTE MUTE MUTE SUB ON/OFF PRE AMPLIFIER IC86 IC87 PRE AMPLIFIER D701 -28V AVR D708 D709 12345 H.P(R) GND H.P(L) D GND H/P CHK 123456 FL AC FL AC -29.0V D GND H/P C

35、HK PRO- 4 3 2 1 FRONT L GND GND FRONT R RY101 R116 390 2W R117 2W 390 RY102 2W 390 R118 RY103 22 R41FL L1 FL COIL 22 R42FL 1000P C23FL 22 R41FR 22 R42FR COIL 1000P C23FR 10 R40FL 10 R39FL 10 R40FR 10 R39FR 0.1 C22FL 0.1 C21FL 0.1 C22FR 0.1 C21FR 18K R38FL L1FR C23SL 1000P R39SL R40SL R39SR R40SR 10

36、10 10 10 0.10.1 C22SL C21SL C22SR 22 0.1 R41SR R42SR C21SR 0.1 22 C23SR L1 SR COIL 1000P 22 1REAR R 2 3 GND GND R41SL R42SL 22 L1 SL COIL 4REAR L 2 0.110 R39C R40C 10 C22C 0.1 C21C 1 C23C R41C 22 1000P R42C 22 L1 C COIL 3GND 4CENTER 0.1 C146 INOUT GND GND OUTIN GND INOUT GND OUTIN + C84 470u16 + C83

37、 1000u16 0.01 C86 0.01 C85 0.01 C89 + C90 220u10 0.01 C88 + C87 100u16 29V 2.2K R75 + C80 47u50 10u50 C82 + 10K R76 + C81 470u50 100 R78 +15V +3.3V 15V +15V 3 2 8 1 4.7u50 + C8FL 3.9K R16FL 75K R22FL 10K R23FL 100P C13FL 100P C11FL 1K R25FL 4.7u50 + C9FL 560 R20FL 33P C10FL 100K R21FL R25FR 1K R20FR

38、 C9FR R21FR C10FR 33P 100K 4.7u50560 C11FR R22FR 75K 100P 5 6 3.9K R16FR 4.7u50 + C8FR 10K R23FR 100P C13FR 7 4 1K R25SR R25SL 1K R20SLC9SL C9SRR20SR 33P C10SR 100K R21SR 4.7u50560 R22SR C11SR 75K 100P 6 5 R16SR 3.9K C8SR + 4.7u50 R23SR 10K C13SR 100P 7 4 R21SL C10SL 33P 100K 4.7u50560 + C11SL R22SL

39、 75K 100P 3 2 3.9K R16SL 4.7u50 + C8SL 10K R23SL 100P C13SL 1 8 C9CR20C 1K R25C R25SW 1K R20SW C9SW C10SW 1000P R21SW 100K 4.7u50560 + 1.6K R22SW 100P C11SW 5 6 750 R16SW 47u16 + C8SW 20K R23SW 100P C13SW 7 4 33P C10C 100K R21C 4.7u50560 + R22C 75K 100P C11C 2 3 R16C 3.9K C8C + 4.7u50 R23C 10K C13C

40、100P 1 8 + + 100K R24FR 10u50 + C12FR 10u50 + C12FL 100K R24FL 3.3K R37FR 3.3K R37FL 4.7u50 + C14FR 1000P C15FL 1000P C15FR 4.7u50 + C14FL 1K R27FR 47K R26FL 47K R26FR 1K R27FL 100K R24SW + 10u50 C12SW R24C 100K + 10u50 C12C R37C R26SW 47KR26C C15SW C518 1000P 4.7u50 + C14SW R37SW 3.3K 3.3K C15C 100

41、0P 47K C14C 4.7u50 + R27C 1K 7 10 9 12 8 11 47K R140 100K R99 10K R98 1u50 C144 + TECT 15V15V +15V 15V +15V+15V 15V 15V +15V +15V 15V 15V +3.3V 15V +15V +5V +5V +B+B MUTE STBY THERMAL S/C SHUTDOWN PRO- TECTION OUT IN- BOOT- NC NC NC +PWVS +VS IN+ IN+ MUTE STBY -VS -PWVS GND STRAP STBY MUTE 10u50 + C

42、508 22u50 C506 + 10K R522 R521 22K 10u50 C542 + 2.2u50 C504 + 680 R502 100P C503 C505 22P R503 13K R523 33K C541 10u50 THERMAL MUTE R526 33K R524 22K 10K R525 C544 10u50 STBY + STBY GND -VS STBY MUTE 100P C511 + C512 2.2u50680 R506 MUTE C543 + 10u50 IN+ IN+ IN- C513 22P R507 13K +VS S/C + TECTION -P

43、WVS SHUTDOWN PRO- NC 10u50 C516 NC NC C515 +PWVS C514 22u50 BOOT- STRAP + OUT 10u50 + THERMAL STBY 10u50 C548 + GND -VS R532 C527 100P 33K R531 10K C528 2.2u50 + MUTE STBY MUTE R530 22K C547 10u50 + MUTE STBY IN+ IN+ IN- +VS -PWVS NC C532 10u50 + C531 C530 22u50 TECTIONSHUTDOWN PRO- S/C NC NC STRAP

44、BOOT- + +PWVS OUT 10u50 + R514 680 R515 13K C529 22P THERMAL R533 22K R535 33K R534 10K STBY C550 10u50 + GND STBY -VS STBY MUTE MUTE C549 + 10u50 IN+ IN+ MUTE C535 100P C536 + 2.2u50 R518 680 IN- C537 22P +VS OUT +PWVS NC PRO- TECTION -PWVS SHUTDOWN NC C540 + 10u50 NC S/C C538 BOOT- 22u50 STRAP + C

45、539 + 10u50 R519 13K SHUTDOWNTECTION R528 10K 33K R527 22K STBY C546 10u50 + -VS GND STBY STBY -PWVS C524 + 10u50 NC NC THERMAL R510 680 R529 C519 100P C520 2.2u50 + IN+ MUTE MUTE 10u50 + C545 IN+ MUTE IN- C521 22P +VS R511 13K C523 PRO- S/C STRAP NC BOOT- + C522 22u50 +PWVS OUT + 10u50 0.047 C501 0

46、.047 C509 RR501 22KR505 22K C502 1000PC510 1000PC534 1000P 1000P C15SR R26SR + 10u50 C12SR 100K R24SR R37SR 3.3K 4.7u50 C14SR R517 22K C533 0.047 R27SR 1K 47K R24SL 100K + R37SL 3.3K R26SL C15SL 1000P + C12SL 10u50 C14SL 4.7u50 R513 22K C526 1000P 47K C525 0.047 R27SL 1K R509 22K 1000P 0.047 C517 91

47、 R704 8.2K R701 R702 8.2K 15K R703 47u25 C701 + 2.2u50 C702 + SW OUT ON/OFF +PA 231 SW 33 R405 4.7K R40710K R404 10K R415 100 R416 4.7K R410 10K R414 15K R408 10K R411 10K R409 100K R406 4.7K R403 10K R402 3.3K R401 4.7K R412 100 R413 1W 1W 87 90 85 212112 R504R508 10K10K R38FR 18K 10K R516 R38SR 18

48、K R38C 18K 10K R512 F901 T500mA 24K R902 24K R901 +15V 15V +5V +3.3V +3.3V +5V 15V +15V 100 +15V +5V +3.3V 15V 2 14 6 5 11 12 3 4 10 9 7 1 13 8 1513 7 2 3 4 10 9 1 8 15 14 6 12 5 11 13 7 2 3 4 10 9 1 8 15 14 6 12 5 11 13 7 2 3 4 10 9 1 8 15 14 6 12 5 11 13 7 2 3 4 10 9 1 8 15 14 6 12 5 11 + 10u50 + C507 R77 250V 10K R520 2.2K R91 470u10 + C94 +5V+5V R38SL 18K +B +B 23.6V 23.6V 15.0V 8.3V 3.3V -30.8V-29.0V ON : 4.7V OFF : 0V MUTE -15.3V -15.0V -15.3V 5.3V OFF : 0V