Kenwood-VR8070-avr-sm 电路图 维修手册.pdf

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1、AUDIO VIDEO SURROUND RECEIVER KRF-X9080D/X9080D-S VR-8070/8070-S/8060-S SERVICE MANUAL 2004-7 PRINTED IN KOREA B51-5916-00 (K/K) 933 70%70% SPEAKER EQ ACTIVE EQDSP STEREOINPUT MODEDIMMER SOUNDTONESETUP BANDAUTOMEMORY MULTI CONTROLLISTEN MODE TUNER MD/TAPEVIDEO 3VIDEO 2VIDEO 1 PHONOCD/DVD THX DTS DSP

2、 DOLBY DIGITAL SPEAKER EQ ACTIVE EQ STANDBY ON/STANDBY A SPEAKERS B POWER PHONES DOWN MUTE AV AUX S VIDEOVIDEOL-AUDIO-R UP VOLUME CONTROL DVD/6CH -ON OFF THX Phone jack * (E11-) AC OUTLETS AC 230V50Hz SWITCHED TOTAL 90W MAX. ROOM BFRONTSURROUNDSURROUND BACK SUB WOOFER CENTER PRE OUT R L ININREC OUTP

3、LAY IN CD/DVDMD/TAPEPHONO R L R L VIDEO 1VIDEO 2VIDEO 3 PLAY INPLAY INPLAY INREC OUT S VIDEO OUT VIDEO S VIDEO IN VIDEO S VIDEO IN VIDEO S VIDEO IN VIDEO S VIDEO IN VIDEO S VIDEO OUT VIDEO MONITORDVD COAXIALOPTICALOPTICAL VIDEO 3 OPTICAL MONITORCD/DVD DIGITAL INDIGITAL OUT VIDEO 2 DVD/ 6CH DVD IN VI

4、DEO 3 IN MONITOR OUTVIDEO 2 IN CRCBYCRCBY CRCBY COMPONENT VIDEO DVD/6CH INPUT FRONTSURROUND SUB WOOFER VIDEO OUT ROOM B +- FRONT B RL GRAY SURROUND RL -+-+ -+-+ BLUE TANR LBROWN GREENWHITERED RLCENTERFRONT A - + SURROUND BACK FM 75 GND AM ANTENNA Front glass * (B10-) * Refer to parts list on page 44

5、. AC power cord * (E30-) Screw terminal board (E70-0192-05) Oscillating module (W02-4540-05) Pin Jack (E63-1249-05) Pin Jack (E63-1250-05)x2 Pin jack (E63-1253-05)x2 Tuner assy * (W02-) Illust. is KRF-X9080D. Knob(BUTTON) * (K27-) Knob * (K29-) Knob * (K29-) Escutcheon * (B07-) Panel * (A60-) Escutc

6、heon * (B07-)Dressing panel * (A21-) Knob assy * (K29-) Lock terminal board (E70-0160-05) AC outlet * (E03-) Power cord bushing (J42-0349-05) Pin Jack (E63-1251-05) Cylindrical receptacle (E56-0033-05) Knob * (K29-) Pin jack (E63-1317-05)x2 Pin jack (E63-1317-05)x2 Pin jack (E63-1252-05) Pin jack (E

7、63-1246-05) Pin jack (E63-1080-05) Cylindrical receptacle (E56-0040-05)x3 Optical receiving module (W02-4524-05) x2 Pin jack (E63-1248-05) Pin jack (E63-1247-05) Screw terminal board (E70-0150-05) RadioFans.CN 收音机爱 好者资料库 KRF-X9080D/VR-8070/8060 2 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS CONTENTS /

8、 ACCESSORIES / CAUTIONS.2 EXTERNAL VIEW.3 ADJUSTMENT.4 INTERCONNECTION DIAGRAM .5 PC BOARD .7 SCHEMATIC DIAGRAM .21 EXPLODED VIEW .42 PARTS LIST.44 SPECIFICATIONS .59 Resetting the Microcomputer The microcomputer may malfunction (unit cannot be operated, or shows an erroneous display) if the power c

9、ord 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. Please note that resetting the microcomputer will clear the contents of the memory and retu

10、rn the unit to the state it was in when it left the factory. Unplug the power cord from the wall outlet, then plug it back in while holding down the POWER ON/STANDBY key. For the U.S.A. and Canada With the power cord plugged in, turn the POWER ON/ OFF key OFF. Then, while holding down the ON/STANDBY

11、 key, press POWER ON/OFF key. For other countries Memory back up function Please note that the following items will 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 l

12、evel BASS, TREBLE, INPUT level TONE ON/OFF LOUDNESS ON/OFF Dimmer level MD/TAPE settings Listen mode setting Speaker settings Distance setting Input mode setting Sound mode settings Broadcast band Frequency setting Preset stations Tuning mode ACTIVE EQ mode SPEAKER EQ mode CAUTIONS Remote control un

13、it (1) (See the below table) AM loop antenna (1) (T90-0852-05) FM indoor antenna (1) U.S.A. and Canada (T90-0905-05) Other countries (T90-0877-05) Batteries (R6/AA) (2) AC plug adapter (1) (E03-0508-00) Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regi

14、ons where use is necessary.) ACCESSORIES REMOTE CONTROL vs MODEL MODELPARTS #REMOTE CONTROL # DESTINATION VR-8070 A70-1659-05RC-R0827 K1P1 VR-8070-SK2P2 KRF-X9080D A70-1620-05RC-R0820 Y1 KRF-X9080D-SX1 KRF-X9080D A70-1621-05RC-R0821 E1 KRF-X9080D-SE2 VR-8060-SA70-1622-05RC-R0822K3P3 RadioFans.CN 收音机

15、爱 好者资料库 KRF-X9080D/VR-8070/8060 3 EXTERNAL VIEW VOLUME CONTROL DOWNUP MUTE AV AUX S VIDEOVIDEOL-AUDIO-R LISTEN MODEMULTI CONTROL SETUPTONESOUND MEMORYAUTOBAND TUNERPHONOCD/DVDDVD/6CH MD/TAPEVIDEO 3VIDEO 2VIDEO 1 THXSPEAKER EQACTIVE EQDSPSTEREOINPUT MODEDIMMER THX SPEAKER EQ ACTIVE EQ DOLBY DIGITAL D

16、TS DSP POWER STANDBY ON/STANDBY A SPEAKERS B PHONES Knob * (K29-) Front glass * (B10-) Phone jack * (E11-) Knob * (K29-) Panel * (A60-) Knob * (K29-) Knob * (K29-) Knob assy * (K29-) Knob assy * (K29-) Cylindrical receptacle (E56-0033-05) Escutcheon * (B07-) Escutcheon * (B07-) Pin jack (E63-1251-05

17、) Illust. is VR-8070. * Refer to parts list on page 44. RadioFans.CN 收音机爱 好者资料库 KRF-X9080D/VR-8070/8060 4 ADJUSTMENT KRF-X9080D/X9080D-S, VR-8070/8070-S VR-8060-S AUDIO SECTIONSPEAKER : A CN11, FL ch. CN10, FR ch. CN14, SL ch. CN13, SR ch. CN12, C ch. CN15, SBL ch. X09(A/4) CN706, SBR ch. X13(F/6) (

18、FRONT 2ch MODE) Volume: Minimum IDLE CURRENT- VR1(FL) VR2(FR) VR3(SL) VR4(SR) VR5(CENTER) VR6(SBL) X09(A/4) VR702(SBR) X13(F/6) Adjust every potentiometer 10 minutes later after turned the power on. OUTPUT SETTINGS RECEIVER SETTINGS ITEMNo. INPUT SETTINGS ALIGNMENT SETTINGS ALIGNMENT POINTS FIG. No.

19、ITEM INPUTOUTPUTRECEIVERALIGNMENT ALIGN FORFIG. SETTINGSSETTINGSSETTINGSPOINTS AUDIO SECTIONSPEAKER : A Idling Current Adjustment All power amplifier stage need idling current adjustment after the installation of TRAIT transistor. 1. Connect a voltmeter to CN11 with the correct polarity as indicated

20、 by the PCB silk print. 2. Adjust the preset, VR1 to get 8.8mV (Idling current = 20mA) at the voltmeter reading. 3. Repeat step 1 and 2 for all other channels. CN11, FL ch. CN10, FR ch. CN14, SL ch. CN13, SR ch. CN12, C ch. CN15, SW ch. X09(A/5) (FRONT 2ch MODE) Volume: Minimum IDLE CURRENT- VR1(FL)

21、 VR2(FR) VR3(SL) VR4(SR) VR5(CENTER) VR6(SUB WOOFER) X09(A/5) Adjust every potentiometer 10 minutes later after turned the power on. KRF-X9080D/VR-8070/8060 5 INTERCONNECTION DIAGRAM ONLY (Y) TYPE SPACE SWITCH CHANNEL A3 A2 A1 VIDEO 3 AM FM(75 GND PHONES J501 CN51 CN13 Rch CN10 Lch Rch CN12CN11 CN21

22、CN22 WH21 E21 CN14CN15 E22 P501 WH90 WH91 WH93 CN7 WH92 CN4 CN6 WH88 S1 CN2 CN4 VIDEO 2 VIDEO 1 PLAY MD/TAPE PLAY MD/TAPE CD/DVD VIDEO 1 REC REC FL Lch Rch J21 Lch Rch WH2 Lch Rch Lch Rch SW SL DVD/6ch SR C FR Lch Rch Lch Rch J11 Lch Rch J6 Lch WH1 CN302 SPEAKERS FRONT B J502 SPEAKERS CENTER SPEAKER

23、S J3 WH4 CN304 CN5 CN301 J5 Cch Rch FRONT A Lch WH221 CN303 VIDEO2 CN1 CN3 COAXIAL IN DVD/6CH OPTICAL IN OPT OUT VIDEO3 J1 CD/DVD VIDEO Rch AUDIO Lch CN2 S-VIDEO WH20 J20 P3 J21 PRE OUT J303 WOOFER CENTER J302 SURROUND FRONT R FRONT L ROOM B ROOM B R L VIDEO1 OUT MONITOR ROOM B OUT VIDEO IN MONITOR

24、DVD J63 J62 VIDEO3 VIDEO IN VIDEO2 VIDEO IN VIDEO OUT J61 (Y) TYPE CN50 WH80 WH70 WH89 CN3 CN80 CN70 WH78 WH94 WH87 CN45 (E) TYPE ONLY J3 (K,P,Y) TYPE ONLY J2 P2 ONLY (Y)TYPE CN48 EXCEPT CN47 CN1 (Y) TYPE EXCEPT WH61 VIDEO1 S VIDEO OUT CN68 J65 CN65 J66 OUT MONITOR (Y)TYPE ONLY CN49WH5 CN46 (K,P) TY

25、PE EXCEPT S2 P1 CN41 WH42 S1 CN1 WH1 CN67 J67 CN5 (X08-3310-12) WH86 (E) TYPE ONLY (X) TYPE ONLY J5 (E,Y,X) TYPE ONLY (X14-7780-11) PHONO WH5 CN52 CN8 WH8 WH9 L SURROUND R SURROUND SURROUND BACK L BACK R SUB BACK R SURROUND SURROUND R SURROUND BACK L SURROUND L WH303 CN704 CN702 WH6 WH704 CN706 CN70

26、5 WH701 CN707 CN703 S VIDEO IN VIDEO2 IN S VIDEO VIDEO3 S VIDEO IN DVD S VIDEO IN IN VIDEO E602 CN151 OUT IR REPEATER RECEIVER IN IR J201 J202 P201 WH62 MONITOR OUT Y Cb Cr VIDEO3 IN Y DVD IN Y DVD IN Cb VIDEO3 IN Cb VIDEO3 IN Cr DVD IN Cr Y VIDEO2 IN Cb Cr J103 J101 E601 CN12 CN11 (X09-6860-10) WH7

27、 (X13-7940-11) WH3 ) CN9 ONLY (E,X,Y)TYPE (K,P)TYPE ONLY J102 THERMISTOR J12 J22 1 3 1212121 1515 11 9 51 1 21212 51 1 3 9 1 911 9115 15 1 21 1101 21 1 100kHz 101 50kHz 1 41 41 1 31 21 3121 1 114 1 3 3 1 1 7 14 1 13 13 3 1 3 1 1 3 1 3 1 7 1 7 1751 WW WW CN22 : T4A L 250V EXCEPT (K,P) TYPE (K,P) TYPE

28、 : 10A 125V CN11CN12 F1 T2.5A L 250V CN21 F2 2 1 T1 1 3 2 1 1451 212121 12 T4A L 250V CN3 31 61 CN4 5 F3 220-240V 1 31 110-120V 21 W108 W110 W109 W106 W107 W105 3 1 AUSTRALIA EUROPE EUROPE CANADA CANADA DESTINATION COUNTRY KRF-X9080D KRF-X9080D-S VR-8070-S VR-8070 MODEL NAME U.S.A. U.S.A. PX ABB. UN

29、IT No. E1 P2 K2 P1 X1 E2 Y1 2-72 0-12 0-71 2-91 2-72 W E12-71EUROPE EUROPE AUSTRALIA KRF-X9080D KRF-X9080D-S PX X1 E2 Y1 0-71 2-91 2-71 U.S.A. U.S.A. CANADA CANADA VR-8070-S VR-8070 P1 P2 K2 0-11 K1 COUNTRY DESTINATION MODEL NAME ABB. UNIT No. 1 5 5 1 17 1 1 2 1 3 1 3 1 4 1 2 1 2 1 2 1 1 17 1 4 3 1

30、1 2 16 10 1 8 1 61 1 7 8 1 KRF-X9080D-S VR-8070-S KRF-X9080D VR-8070 MODEL NAME CANADAP1 EUROPE AUSTRALIA CANADA EUROPE U.S.A. PX 2-71E1 E2 X12-91 2-71 K2 P2 Y12-91 0-10 COUNTRY DESTINATION U.S.A.K1 ABB. UNIT No. 110 KRF-X9080D-S KRF-X9080D VR-8070-S VR-8070 MODEL NAME Y1PX2-91 EUROPE EUROPE AUSTRAL

31、IA E22-71 X1 E1 0-71 2-71 CANADA U.S.A. CANADA U.S.A. COUNTRY DESTINATION P2 K2 P1 0-11 K1 ABB.No. UNIT 41 1 1 K1 2 1 HEADPHONE PCB (X09- ) (C/4) (W02-2976-05) : E TYPE (W02-2975-05) : Y,X TYPE (W02-2974-15) : K,P TYPE TUNER ASSY TUNER PCB (X09- ) (B/4) DISPLAY PCB (X14-7780-11) (A/11) POWER AMPLIFI

32、ER UNIT (X09-6860-10) (A/4) FRONT AUX. (X14- ) (H/11) SPEAKER UNIT (X13- ) (D/6) VIDEO COMPOSITE (X13- ) (B/6) UNIT VR-8070/8070-S VOLUME STANDBY (X14- ) (C/11) SWITCH CONTROL (X14- ) (B/11) AC/STD. TRANS (X14- ) (I/11) TRANSFORMER (X14- ) I/C AVR (X08-3310-12) DSP UNIT POWER (X13-7940-11) (A/6) S-V

33、IDEO UNIT (L07-3286-15) : (E) TYPE (L07-3287-15) : (X) TYPE (L07-3285-15) : (K,P) TYPE POWER TRANSFORMER POWER SWITCH (X14-) (K/11) (X14- ) (J/11) TRANSFORMER POWER VOLTAGE SELECTOR (E/11) (X14- ) KRF-X9080D/X9080D-S (X13- ) (F/6) (X13- ) (E/6) (D/11) (C/6) (X13- ) KRF-X9080D KRF-X9080D-S VR-8070 VR

34、-8070-S KRF-X9080D/VR-8070/8060 6 INTERCONNECTION DIAGRAM A3 A2 A1 VIDEO 3 AM FM(75 GND PHONES J501 CN51 CN13 Rch CN10 Lch Rch CN12CN11 CN21CN22 WH21 E21 CN14CN15 E22 P501 WH90 WH91 WH93 CN7 WH92 CN4 CN6 WH88 CN2 CN4 VIDEO 2 VIDEO 1 PLAY MD/TAPE PLAY MD/TAPE CD/DVD VIDEO 1 REC REC FL Lch Rch J21 Lch

35、 Rch WH2 Lch Rch Lch Rch SW SL DVD/6ch SR C FR Lch Rch Lch Rch J11 Lch Rch J6 Lch WH1 CN302 SPEAKERS FRONT B CENTER SPEAKERS J3 WH4 CN304 CN5 CN301 J5 Cch Rch FRONT A Lch WH221 CN303 VIDEO2 CN1 CN3 COAXIAL IN DVD/6CH OPTICAL IN OPT OUT VIDEO3 J1 CD/DVD VIDEO Rch AUDIO Lch S-VIDEO WH20 J20 P3 J21 VID

36、EO1 OUT VIDEO IN MONITOR DVD J62 VIDEO3 VIDEO IN VIDEO2 VIDEO IN VIDEO OUT J61 CN50 WH80 WH70 WH89 CN3 CN80 CN70 WH78 WH94 WH87 CN45 J2 P2 CN47 CN1 WH61 VIDEO1 S VIDEO OUT CN68 J65 CN65 J66 OUT MONITOR CN41 WH42 CN67 J67 CN5 PHONO S VIDEO IN VIDEO2 IN S VIDEO VIDEO3 S VIDEO IN DVD S VIDEO IN IN VIDE

37、O E602 WH62 MONITOR OUT Y Cb Cr VIDEO3 IN Y DVD IN Y DVD IN Cb VIDEO3 IN Cb VIDEO3 IN Cr DVD IN Cr Y VIDEO2 IN Cb Cr J103 J101 E601 CN12 CN11 WH5WH6 BACK L PRE OUT SUB WOOFER SURRONUD BACK R SURRONUD SPEAKERS SUB WOOFER SURROUND L SURROUND BACK/ SURROUND R WH1WH2 J12 J22 WH3 CN2 CN49 CN201 ) J102 J3

38、03 J302 J301 1 3 1212121 1515 11 9 51 1 21212 51 1 3 9 1 911 9115 15 1 21 1101 21 1101 1 1 41 41 1 21 19 211 1 1914 1 5 3 1 1 71 13 13 3 1 3 1 1 3 1 3 1 7 1 7 1751 WW 10A 125V CN11CN12 F1 2 1 T1 2 1 1451 21 31 61 21 W108 W110 W109 W106 W107 W105 3 1 16 8 1 61 1 7 8 1 41 1111 1111 3 1 4 1 1 2 3 1 HEA

39、DPHONE PCB (X09- ) (B/5) (W02-2974-15) TUNER ASSY TUNER PCB (X09- ) (C/5) DISPLAY PCB (X14-7780-10) (A/11) POWER AMPLIFIER UNIT (X09-6760-13) (A/5) FRONT AUX. (X14- ) (H/11) SPEAKER UNIT (X25-6620-12) (B/2) VIDEO COMPOSITE (X13- ) (B/6) UNIT VR-8060-S VOLUME STANDBY (X14- ) (C/11) SWITCH CONTROL (X1

40、4- ) (B/11) AC/STD. TRANS (X14- ) (I/11) TRANSFORMER (X14- ) I/C AVR (X08-3310-11) DSP UNIT POWER (X13-7940-10) (A/6) S-VIDEO UNIT (E/11) (X14- ) (D/11) (C/6) (X13- ) (L07-3138-05) VR-8060-S 2 ACEGIBDFHJ 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD (

41、Component side view) 7 8 R52 C44 C544 C546 C548 C550 C551 C555 R521 R523 R524 R529 R532 R533 R534 R537 R538 C79 R98 C538 C539 R89 C109 C110 C129 C130 C149 C150 C189C190 C197 C41 C545 R81 C198 R92 C42 C57 C58 C95 C99 R42 R90 R97 R107 R108 R127 R167 R168 R503 R504 R505 R506 R513 R514 R515 R528 R530 R5

42、36 R542 R543 R544 R545 C1C2 CP51 CP52 CP53 CP54 CP55 CP56 CP57 CP58 CP59 CP60 CP61 CP62 CP63 CP64 CP65 CP66 CP71 CP72 CP73 CP74 CP75 L1 L2 48 R2 R4 R11 R12 L3 R23 R24 R25 R26 L4 L5 R30 R31 R32 R41 R43 R44 R45 R46 R47 R48 R49 R51 R65 R91 R93 R94 R95 R96 R109 R110 R111 R112 R152 R169 R170 R171 R172 R5

43、01 R502 R507 R508 R509 R511 R512 R516 R517 R525 R526 R527 R541 R546 R547 R548 R549 R550 R553 R554 X6 X51 R560 R561 R562 R563 R564 R565 R567 R566 C268 C267 R82 R83 C557 C558 C564 C561 C562 R50 24.576MHz 18.75MHz C49 C85 C94 R88 C91 C7 C6 C5 C100 R85 R84 R86 C97 C46 C82 C43 C88 C47 C48 C101 C102 C121

44、C122 C141 C142 C161 C162 C265 C262 C191 C192 C193 C194 C195 C196 R87 C266 C261 37 1324 25 36 12 1 4 1 1 113 3 IGO IGO 8 7 1 1 1 3 1 40 1 1 1 12 121 220 1 8 1 85 1123 33 2212 34445 1 4 1 10 IGO 1 4 8 5 1 4 8 5 1 4 8 5 1 4 8 5 1 4 8 5 15 30 16 22 2344 8 169 1011 20 20 11 1 10 10 1 11 20 10 1 11 20 15

45、4 5 4 1 3 1 3 5 4 4 8 5 14 7 1 36 10873 72 37144 109 1 148 24 4825 21 120 50 R1 C65 C529 EB EB D16 D6 CN53 D7 D9 D5 D11 D12 OUTVIDEO3CD/DVD COAXIAL IN OPTICAL IN OPTICAL D10 Q2 D2 D3 D4 D8 Q1 D17 D15 D14 D13 A3A2A1 D1 J1 CN4 CN2 S1 CN1 CN3 CN5 IC2 IC50 IC6 IC1 IC51 IC52 IC53 IC54 IC55 IC56 IC57 IC58

46、 IC49 IC60 IC61 IC10 IC12 IC14 IC16 IC18 IC20 IC62 IC59 IC19 IC63 IC21 IC22 IC23 X08-3310-10 (J70-1715-12) (SIDE A) C45 C530 R518 C64 R64 C13 C14 C84 C93 C90 C501 C508 C519 C521 C526 C528 C533 C536 C541 C542 C547 C549 C552 C553 C554 R539 R540 R5 R3 R6 C96 C502 C503 C504 C505 C506 C507 C509 C510 C511

47、 C512 C513 C514 C515 C516 C517 C518 C520 C522 C523 C524 C525 C527 C531 C532 C534 C535 C537 C540 C543 C169 C170 C11 C81 C3 C4 C12 C15 C16 C61 C62 C66 C80 C83 C89 C92 C103 C104 C123 C124 C143 C144 C163 C164 C571 C572 R7 R8 R21 R27 R101 R102 R121 R122 R128 R141 R142 R147 R148 R161 R162 R510 R551 R201 R

48、202 R203 R204 R205 R206 R207 R208 R211 R212 R215 R216 R219 R220 C8 C9 C63 C98 C105 C106 C125 C126 C145 C146 C165 C166 C181 C182 C573 R55 R56 R61 R62 R63 R103 R104 R105 R106 R123 R124 R125 R126 R129 R130 R131 R132 R143 R144 R145 R146 R149 R150 R151R163 R164 R165 R166 R181 R182 R185 R186 R187 R188 R189 R190 R209 R210 R213 R214 R217 R218 R552 R571 R572 R573 C50 C51 R261 R262 R264 R265 C263 C264 R266 R263 C556 C559 C560 C563 C567 C568 C565 R33 C566