Kenwood-VR7070A-avr-sm 电路图 维修手册.pdf

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1、AUDIO-VIDEO SURROUND RECEIVER 2003-8 PRINTED IN KOREA B51-5875-00 (K/K) 1362 * Refer to parts list on page 6. VR-7070A/7080A SERVICE MANUAL THX SPEAKER EQACTIVE EQDSP STEREOINPUT MODEDIMMER SOUNDTONESETUP BANDAUTOMEMORY MULTI CONTROLLISTEN MODE TUNER MD/TAPEVIDEO 3VIDEO 2VIDEO 1 PHONOCD/DVD THX DTS

2、CS II DOLBY DIGITAL SPEAKER EQ ACTIVE EQ A SPEAKERS B PHONES DOWN MUTE AV AUX S VIDEOVIDEOL-AUDIO-R UP VOLUME CONTROL STANDBY POWER ON/STANDBY DVD/6CH Front glass * (B10-) Knob (K29-8268-04) Panel (A60-2336-02) Knob (K29-8272-04) Sub panel assy (A22-1874-01) Knob assy (K29-8137-03) Knob assy (K29-81

3、37-03) Dressing panel (A21-3983-12) Note: A different information will be available from this service manual. Pls refer to original service manual(B51-5843-00), too. +- SPEAKERS(8-16) SPEAKERS(8-16) PRE OUT FRONT A SURROUND SURROUND BACK/ SUBWOOFER FRONT B CENTER FRONT B - + PHONOCD/DVDMD/TAPE REC O

4、UT VIDEO 1 PLAY INPLAY IN VIDEO 2VIDEO 3 PLAY IN DVD/6CH.INPUT FRONTSURROUND COAXIALSYSTEM CONTROL OPTICAL CD/DVD OPTICAL VIDEO 3 OPTICAL CD/DVD DIGITAL INDIGITAL OUT IN VIDEO S VIDEO IN VIDEO DVD/6CH VIDEO 2 VIDEO 3 IN DVD IN IN DVD ROOM BFRONT CENTER SURROUND IR RECEIVER IN IR REPEATER OUT SURROUN

5、D BACK SUB WOOFER MONITOR OUT ROOM B OUT SUB WOOFER ININREC OUTPLAY IN PLAY INPLAY INPLAY INREC OUTCENTER OUTIN VIDEOVIDEO AC OUTLETS 150W 1.25A MAX. SWITCHED TOTAL WHITEGREENRED LR YCBY YCBY - + BLUEPURPLEGREY LR LR COMPONENT VIDEO MONITOR OUT FM 75 GND AM ANTENNA GND AC power cord (E30-2941-05) Pi

6、n jack (E63-1080-05) AC outlet (E03-0148-05) Pin jack (E63-1317-05)x2 Lock terminal board (E70-0160-05) Pin jack (E63-1313-05) AC power cord bushing (J42-0349-05) Cylindrical receptacle (E56-0040-05)x3 Pin jack (E63-1248-05) Pin jack (E63-1246-08) Pin jack (E63-1316-05) Miniature phone jack (E11-038

7、9-05) Miniature phone jack (E11-0291-05) Pin jack (E63-1247-05) Screw terminal board (E70-0150-05)x2 Pin jack (E63-1293-05)x2 Pin jack (E63-1317-05)x2 Miniature phone jack (E11-0293-05) Metallic cabinet (A01-3894-01) Tuner assy (W02-2974-15) Oscillating module (W02-2732-05) Optical receiving module

8、(W02-2731-05) Pin jack (E63-1315-05) 70% RadioFans.CN 收音机爱 好者资料库 MODEL PARTS #BATTERY COVER VR-7070AK7A70-1620-05A09-1274-08 VR-7070AP7A70-1620-05A09-1274-08 VR-7080AK8A70-1619-05A09-1275-08 VR-7080AP8A70-1619-05A09-1275-08 9 ABBRI. Resetting the Microcomputer The microcomputer may malfunction (unit

9、 cannot be operated, or shows an erroneous display) if the power cord is unplugged while the power is ON, or due to some other external factor. If this happens, execute the following procedure to reset the microcomputer and return the unit to its normal operating condition. Unplug the power cord fro

10、m the wall outlet, then plug it back in while holding down the POWER ON/STANDBY key. Please note that resetting the microcomputer will clear the contents of the memory and returns the unit to the state it was in when it left the factory. Memory back up function Please note that the following items w

11、ill be deleted from the units memory if the power cord is disconnected from the AC outlet for approximately 1 day. Power mode. Input selector settings. Picture output. Speaker ON/OFF. Volume level. BASS, TREBLE, INPUT level. TONE ON/OFF. LOUDNESS ON/OFF. Dimmer level. MD/TAPE settings. Listen mode s

12、etting. Speaker settings. SW RE-MIX ON/OFF. Distance setting. Bass peak level. Input mode setting. Midnight mode setting. PRO LOGIC II mode setting. CS II mode setting. Broadcast band. Frequency setting. Preset stations. Tuning mode. THX mode. DSP mode. ACTIVE EQ mode. SPEAKER EQ mode. FM indoor ant

13、enna (1) (T90-0905-05) AM loop antenna (1) (T90-0893-05) RF remote antenna (1) Refer to the table on this page below. Batteries (R6/AA) (2) VR-7070A/7080A 2 ACCESSORIES / CAUTIONS Accessories Cautions REMOTE CONTROL vs MODEL DIFFERENT POINT ModelService ManualSurroundDisplaySub VR-7070 B51-5843-00X0

14、9-6760-10X25-6490-14 VR-7070A-X09-6830-10X25-6620-10 VR-7080 B51-5843-00X09-6760-10X25-6490-14 VR-7080A-X09-6830-10X25-6620-10 Audio Change point; R97,98,147,148,197,198, VR1- 6,Q11-14,31-34,51-54, D23 X08-3130-12X14-7630-10 Note: A different information will be available from this service manual. P

15、ls refer to original service manual(B51-5843-00), too. RadioFans.CN 收音机爱 好者资料库 3 UWYVX 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD W52 W53 C215 W54 C216 C127 C128 C129 C101 W8 C102 C103 C104 C105 C106 C107 C108 C109 C110 C111 C112 C113 C114 4 1 1

16、89 16 C115 C116 C117 C118 C119 C120 C121 C124 C123 C122 C201 C202 7 1 I G O C203 R218 C205 C206 C207 C208 C209 C210 C211 C212 C213 C214 L201 L202 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 W17

17、W10 R114 W18 W13 W11 W9 R120 C133 W1 W2 W5 W12 W15 W4 W6 W3 1 1 78 14 7 14 8 W14 C134 W16 W19 W68 W42 W20 C135 C136 C130 C131 C132 R121 R122 C137 C138 C139 R431 R337R336R334R333 R328R327R325R321 C312 C310 C317 C315 C302 1 2 W23W24 C307C308 R338 C305 R335 C306C303 W22W21 C304C301 R331 W25 R332 C438 C

18、313 C311 W41 R349 R339 W30 R340 C309 C457 R461 R507 R457 R463 C451 SWch W31 R356 R308 R317 R307 R318 R357 R350 R315 R305 R326 R316 R347R348 C435 C439 R330 C433 R358 R310 R455 R329 R320 R319 R309 R355 R352 C434 C440 R360 R359 R351 C436 R306 R313 R303 R323 R353 R345 R362 R324 R314R311 R301 R346 R354 R

19、341 R343 R423 C429 R417 Cch R445 R505 C445 R405 W47 SBch R418 R424 C430 R406 C412 C446 R506 C452 R453 R459 C453 W38 R462 1 45 8 1 45 8 1 45 8 1 45 8 W51 C449 C458 R456 SBch W37 R458 R454 C454 W67 R460 R464 W39 R411C450 C411 W35 R439 W49 R440 C406 C405 R412 C426 R502 R414 R420 C316 4 1 19 1 18 2 R442

20、 C402 W36 W44 R421 R302 W26 R322 R312 R342 R344 SLch R432 R433 C431 R430 SRch C437 R428 W66 W40 C409 R503 C427 R415 R446 R403 C410 R404 R422 C428 R416 C403 C444 R444 R504 R410 FLch FRch R427 R426 R425 R413 R419 W28 W32 C432 C407 C425 R501 W34 R401 R441 C441 R407 C442 C401 C408 R402 R408 R409 R443 R4

21、37 C443 W63 W64 W61 W43 W46 R438 C404 C459 R448 C419 R449 W58 W60 C448 R435 W55 W57 W56 C447 R447 R450 W59 C420 R436 R451 W62 W65 W33 W29 W27 R452 W50 W45 W48 R434 B BE EB E BE EB EB EB EB EB EB EB EB EB EB 41 EB EB EB EB EB EB BE BE BE BE BE BE BE BE BE BE BE EB BE BE BE D206 CN202 D205 D201 D202 D

22、203 D204 J102 P201 Q201 Q202 Q203 Q204 J101 CN101 CN201 CN304 J303 J302 J301 CN302 Q302 Q307 Q317 Q309 WH2 Q316 Q308Q318 Q315Q305 Q319 Q310 Q320 Q313Q303 Q306 Q304 Q301 Q314 Q311 Q411 Q407 Q412 Q408 CN303 Q403 Q312 WH1 Q402 D401 Q401 Q404 Q406 Q405 Q409 WH1 D402 CN301 WH2 J202 J201 IC101 IC102 IC201

23、 IC202 IC403 IC404 IC402 IC401 (J70-1704-02) X25-6620-10 A/2 X25 B/2 IR REPEATERIR IN CrCbY MONITOR OUTDVD IN YCbCr VIDEO3 IN COMPONENT VIDEO SUB WOOFER SUB WOOFER CENTER LR SURROUND BACK/ BACK SURROUND SURROUND SURROUNDFRONTROOM B SPEAKERS PRE OUT RadioFans.CN 收音机爱 好者资料库 4 AOAPARAQAS 2 1 3 5 7 4 6

24、VR-7070A/7080A X25-6620-10 (1/2) +3.3V VDD 100P R907 75 C917 VCC Y C Y C Y C 8 C915 IN1GNDIN1 Y5 Y7 C7 C5 47P 100K R905 C905 100K R906 47P C906 47P 75 R903 C903 75 R904 47P C904 0.01 4 C910 3 2 VCCIN2 SW2 5 IN3 SW1 6 OUT 7 10 1/4W R916 C5 Y3 C7 100P C918 +11.5V 0.01 C909 R908 0.01 C916 75 47u25 + C9

25、12 10 1/4W R915 + +11.5V Y5 7 5 6 VCC 3 IN2 4 SW2IN3 2 SW1 OUT +11.5V 47u25 C913 470u16 + CX Y3 47P 75 R901 C901 75 R902 47P C902 18 X601 R604 1M R603 1M 4 2 1 3 R602 220 GND 6 7 5 C602 1000P 12.288MHz CLR B A C604 27P 1 3 2 C603 22P RX/CX VCC 8 6 7 14 0.01 C920 C919 0.01 8 1 GND GND 4 +2.5V Q 5 36

26、+5V 6 7 +3.3V 100P CTLB2 +12V R911 4.7K Y7 R917 10K R912 200 CTLA4 +12V 6 5 V.MUTE3 +2.5V C908 100PC907 2.2 R921 +5V +3.3V VID. D GND1 R683 470 R684 470 8 10 9 R811 1 13 12 11 14 +5V+5V C672 + C669 C676 SCDI0 R804 R803 R802 R801 R800 R799 R806 1 1/4W R623 10K +2.5V 0.01 R626 3.3K C612 22 4.7K 4.7K 2

27、0 R633 R632 C607 22P C675 22P R610 220 C608 1000P R601 220 +3.3V R810 R605 10K C601 0.01 C606 0.01 R609 100K C605 0.01 1 R809 1 47u25 C616 +2.5V R629 10K C614 0.01 C615 470P + C613 2.2u50 R630 33K + R634 470 R631 1/4W 1 R805 0.010.01 100 +2.5V R680 R608 220 13 +3.3V 2 18 470 +2.5V 36 22 39 +5V 13 AU

28、 DATA1 AU DATA0 LR CLK S CLK M CLK VD1 D GND1 AU DATA3 WR LR CLK N1 FILT1 CMP REQ 31 CLK IN 22 30 29 FILT2 CLK SEL 32 33 CMP CLK CMP DAT 22 28 22 27 AU DATA2 RESET A GND VA C617 34 C618 36 35 DC DD 38 37 39 23 S CLK N1 D GND3 22 22 26 25 24 VD3 S DATA N1 EXTMEM 22 21 20 ABOOT R797R795 22 42 R638 22

29、R637 22 R692 22 40 41 40 42 41 14 +5V +3.3V 39 19 40 22 R798 22 C609 0.01 R793 22 R794 22 44 43 +2.5V 1 44 43 2 3.3K R611 3 4 R796 22 R642 22 R678 22 22 +5V 41 43 R679 22 R689 22 44 42 22P 0.1 18 R624 220 R627 220 3.3K R625 R628 220 C611 1000P 20 +2.5V 19 RD A1 C610 12 0.01 16 CS DATA0 19 18 17 D GN

30、D 2 DATA3 DATA2 DATA1 14 15 13 CP601 10K R807 1 R614 220 DATA7 DATA6 DATA5 DATA4 VD2 11 8 9 10 A0 7 1/4W CP602 10K 7 100u10 R690 470 1/4W R691 4.7 + C657 3 2 1 +5V +5V 6 5 3.3K R612 R613 220 6 R808 +2.5V 1/4W 1 +5V 10u50 C670 2 1/4W 4.7 C668 0.1 R641 C636 4700P C637 4700P R635R644 7575 C635 22P C634

31、 22P R693 100 R OUT VSS 6 7 4 5 3 2 1 VDD C622 0.01 1 3 2 13 14 11 12 6 5 4 VSS 7 10 9 8 +5V C619 0.1 R663 220 19 20 CDTO SDTO 11 SDTI 1 10 9 BICK IN T 1 IN T 0 SDTI 3 SDTI 2 14 13 12 16 15 TX 8 7 LRCK MCKO 6 5 22P T VDD 22 A VSS DZF2 CSM C CLK CDTI 19 18 17 21 20 A VDD VREF V CO DZ L OUT R OUT L OU

32、T SLAVE XTO D VDD 4 D VSS 3 2 XTI PDN 44 1 C671 47P 38 39 40 41 42 43 RX2 12C RX1 RX3 TST P VDD P VSS L OUT R OU L R 0.1 34 35 36 37 RX4 R R639 18K C631 100 R694 +5V +5V +5V OSCILLATOR OUT MONITOR PLAY IN DVD ONLY PLAY IN VIDEO2 VR-716A J901 C Q601 S VIDEO Y DETECT DIGITAL W Q901 D902D901D900 Q902 3

33、/ CN901 X0 D601 AUDIO DECODER DIGITAL CD/DVD J601A601 D605 VIDEO2DVD OPTICAL INPUT COAXIAL INPUT LEVEL SHIFTER (ADC&DAC) CODEC IC603 IC901 IC902 IC604 IC601 (X08-3230-10) USED VR-705-SA, VR-716A IC606 IC602 CAUTION: For continued safety, replace safety critical components only with manufacturers rec

34、ommended parts (refer to parts list).indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptabl

35、y insulated from the supply circuit) before the appliance is returned to the customer. AK-2AK-2 5 ATAVAXAUAW VR-7070A/7080A X25-6620-10 (2/2) 5.1V 0V C720 33P 1 R756 180 VDD 1/4W R814 CTLB2 1/4W +12V 1 4.7K 2 200 CTLA4 +12V 6 5 V.MUTE3 + C662 100u101 +5V 100u10 + C659 1/4W R813 1 +5V +2.5V +3.3V VID

36、. D GND1 +5V 470 10 R811 1 13 12 11 14 +9.9V +3.3V 5 C661 0.01 4 + C654 10u50 CCTL OUTVCC GND 1 2 3 R670 4.7 C660 82P +9.9V R665 22K +2.5V C656R812 1/4W 47u25 + 1 +2.5V 13 9 11 2 V OUT 3 V IN EXT 1 VSSCE R664 560 1/4W 4 5 +2.5V +9.9V R671 1 1/4W OUTIN GND C666 0.1 C665 33P 4.7K R676 1K R673 R674 47K

37、 R672 C667 220 R675 220 4700u16 + +9.9V 10 +9.9V 18 2W R666 R677 1.5K +9.9V +12V R758 180 1/4W 12 13 R685 1 + R757 180 1 19 10 44 20 180 CP604 14 8 9 11 CP603 180 1 12V12V R709 4.7K 29R OUT2 2.7K 2200P R718 100K R714 C716 4 5 3 2 C623 0.01 1 3 11 12 6 5 4 VSS 7 10 9 8 26 10u50 C722 27 + 1 + 10K C726

38、 R724 100K R728 8200P 18K R726 8200P C724 15K R722 R730 5.6K 6 5 100K R723 C725 47P R727 1800P 10K C719 2 C721 10u50 C712 10u50 R667 220 12 10 8 29 + R725 2.2K 2200P C723 R721 2.2K 4.7K R729 3 R716 C714 820P 2.2K R712 3.3K 5.6K R720 6 5 +5V C621 2.2u50 C619 0.1 22u50 C673 + R663 220 19 20 CDTO IN T

39、1 16 15 + 22 A VSS DZF2 CSM C CLK CDTI 19 18 17 21 20 A VDD VREF H 23 26 V COM DZF1 L OUT3 24 25 R OUT3 L OUT2 27 28 2200P R710 4.7K 10u50 C711 + 14 44 28 R713 100K C715 2200P R717 2.7K 2 C713 820P 2.2K R715 3.3K R711 R719 5.6K 3 C702 10u50 10u50 31 + 26 28 27 30 + R706 2.2K C704 R702 2.2K R704 100K

40、 C706 5 1800P R708 10K 6 2.2K C705 R703 100K 2.2K 1800P R707 10K C700 47P 2 3 C718 100P C737 22P R739 10K 1K 1 +12V 12V 100P C728 12V 4 7 100 R746 +12V C727 100P 8 C741 1000P R747 100 8 1 2 +12V 3 R745 12V R744 220 4 7 R749 2.7K R737 10K R740 12V C742 100P 4 7 6 5 C738 22P 1 R748 100 10K R750 R738 1

41、0K 2.7K 14 GND ST N.C. VSS +12V C717 8 100P 1 220 R743 +12V 12V 11 100P 15 14 C744 13 12 10 9 8 7 6 C709 4700P 12V R742 220 7 4 C708 100P C710 100P +12V C707 100P 8 1 R741 220 1 4.7K 5 4 R751 3 2 12V R752 5.6K 20 SW N.C. CK DATA 16 17 18 19 21 22 23 24 25 17 16 30 RS IN2 RS FR LS LS IN2 FL 26 27 VDD

42、 28 29 +12V 4.7K R753 R754 5.6K SLAVE 38 39 RX3 P VDD P VSS 31 L OUT1 R OUT1 29 30 L IN R IN 32 33 0.1 34 35 36 37 RX4 R R639 18K C631 1/4W R640 4.7 C701 +5V 30 31 C791 C703 2200P R705R701 470P R791 18K C792 R792 470P C740 10K 10K R735 R736 C739 10u50 + 10u50 + 32 33 18K +12V VR-705-SA +B B +12V VR-

43、716A MODEL NAME +5V +5V +B +5V +5V SW Q606 D607 D606 WH120 900 3/5 D614 D613 +3.3V AVR CN901 X09-A/9- +2.5V AVR SW Q608 AVR +5V D610 Q609 D609 D608 D604 SPACE CHANNEL (M)TYPE ON IC701 IC703 (1/2) IC703 IC702 IC702 (1/2) (2/2) SHIFTER LEVEL (2/2) ADC&DAC) ODEC (2/2) (1/2) IC707 CENTER SR IC707 MIX SW

44、 (2/2) SL FR CONFIGURATION IC901,902 FILTER IC701-703,707 IC701 (1/2) D602 IC705 D603 IC604 IC609 IC612 IC611 IC606 IC605 IC603 IC602 IC601 Q609 Q608 Q606 Q601,901,902 UDZ5.6B or:D606,607 D900-902 D610 D609 FL MM1228XF NJU7311AM NJM4565MD : : : 1SR154-400 HZU5.1(B2) UDZ5.1B or HZU5.6(B2) D2SBA20F03

45、: : : D604 D603 D602,605 D601,608,613,614 TC7WH123FU: BA033LBSG XC62EP2502MR TC74HC07AF TC74HCT7007AF : BA05T: : : : CS493263-CLR TC7WU04FU AK4586 CS493263-CLG or : : : MA142WK HZU3.9(B2) MA142WA DAP202U or UDZ3.9B or 1SS300 or : : 1SS301 or DAN202U or MA111 : : DIGITAL LINE SIGNAL LINE GND LINE B L

46、INE B LINE 2SC4081(R,S) or: 2SB1218A(Q,R) 2SD1819A(Q,R) 2SA1576A(R,S) or: DTC124EUA or 2SB1375 UN5212 : : (X08-3230-10) IC611 IC609 IC612 IC605 IC705 IC602 The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The mea- surement value may vary dependi

47、ng on the measuring instruments used or on the product. BD-1 VR-7070A/7080A 6 PARTS LIST New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Ref. No Add- ress New Parts Description Desti-

48、nation Re- marks Parts No. New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Ref. No Add- ress New Parts Description Desti- nation Re- marks Parts No. Q11 ,12TRAIT8N*5TRANSISTOR Q13 ,14T

49、RAIT8P*5TRANSISTOR Q31 ,32TRAIT8N*5TRANSISTOR Q33 ,34TRAIT8P*5TRANSISTOR Q51 ,52TRAIT8N*5TRANSISTOR Q53 ,54TRAIT8P*5TRANSISTOR C101-109CC45FCH1H100DCERAMIC10PFD C110-115CE04LW1H100MELECTRO10UF50WV C116CK45FF1H103ZCERAMIC0.010UFZ C117CE04LW1H100MELECTRO10UF50WV C118CE04LW1A471MELECTRO470UF10WV C119CK45FF1H103ZCERAMIC0.010UFZ C120CE04LW1H100MELECTRO10UF50WV C121CE04LW1A471MELECTRO470UF10WV C122CE04KW1E330MELECTRO33UF25WV C123CE04LW1H100MELECTRO10UF50WV C124CE04LW1A471MELECTRO470UF10WV C127-129C