Kenwood-VR8050-avr-sm 电路图 维修手册.pdf

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1、AUDIO VIDEO SURROUND RECEIVER KRF-V8080D/V8080D-S VR-8050 SERVICE MANUAL 2004-5 PRINTED IN KOREA B51-5895-00 (K/K) 616 70% ACTIVE EQSPEAKER EQ LOUDNESSDSP STEREOINPUT MODEDIMMER SOUNDTONESETUP BANDAUTOMEMORY MULTI CONTROLLISTEN MODE TUNER MD/TAPEVIDEO 3VIDEO 2VIDEO 1 PHONOCD/DVD DSP DTS LOUDNESS DOL

2、BY 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 Phone jack * (E11-) DVD/6CH INPUT FRONTSURROUND SUB WOOFER CENTER PLAY INPLAY IN VIDEO 2VIDEO 3 COAXIALOPTICALOPTICAL VIDEO 3CD/DVD DVD/ 6CH VIDEO 2 D

3、IGITAL IN S VIDEO IN VIDEO S VIDEO IN VIDEO S VIDEO IN VIDEO MONITORDVD S VIDEO OUT VIDEO OUT DVD IN VIDEO 3 IN MONITOR OUT CRCBY CRCBY COMPONENT VIDEO VIDEO 1 PLAY INREC OUT S VIDEO OUT VIDEO S VIDEO IN VIDEO ININREC OUTPLAY IN CD/DVDMD/TAPE R L PHONO GREENWHITERED RLCENTERFRONT A - + +- FRONT B RL

4、 GRAY SURROUND RL - + BLUEBROWN SURROUND BACK/ SUBWOOFER PRE OUTPRE OUT SUB WOOFER R L SURROUND BACK / SURROUND BACK SURROUND BACK AC OUTLETS AC 230V50Hz SWITCHED TOTAL 90W MAX. AM ANTENNA Front glass * (B10-) * Refer to parts list on page 29 . AC power cord * (E30-) Power cord bushing (J42-0349-05)

5、 Pin Jack (E63-1315-05) Screw terminal board (E70-0150-05) Optical receiving module (W02-4524-05) x2 Pin jack (E63-1293-05)x2 Tuner assy * (W02-) Pin Jack (E63-1316-05) Illust. is KRF-V8080D. Knob(BUTTON) * (K27-) Knob * (K29-) Escutcheon * (B07-) Panel * (A60-) Knob * (K29-)Dressing panel * (A21-)

6、Knob assy * (K29-) Screw terminal board (E70-0150-05) Lock terminal board (E70-0160-05) AC outlet * (E03-) Pin jack (E63-1146-05) 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 (E63-1247-05) Pin jack (E63-0133-15)

7、Pin jack (E63-1080-05) Cylindrical receptacle * (E56-)x3 RadioFans.CN 收音机爱 好者资料库 KRF-V8080D/V8080D-S/VR-8050 2 ACCESSORIES / CAUTIONS FM indoor antenna (1) (T90-0877-05): EE1(T90-0905-05): KP AM loop antenna (1) (T90-0893-05) Remote control unit (1) RC-R0823 (A70-1623-05): EE1 RC-R0822 (A70-1622-05)

8、: KP Batteries (R6/AA) (2) Accessories ModelColorABB. KRF-V8080DBlackE KRF-V8080D-SSilverE1 VR-8050BlackKP Color vs Model Resetting the Microcomputer The microcomputer may malfunction (unit cannot be operated, or shows an erroneous display) if the power cord is unplugged while the power is ON, or du

9、e to some other external factor. If this happens, execute the following procedure to rese Please note that resetting the microcomputer will clear the contents of the memory and return the unit to the state it was in when it left the factory. For the U.S.A. and Canada Unplug the power cord from the w

10、all outlet, then plug it back in while holding down the POWER ON/STAND- BY key. For other countries With the power cord plugged in, turn the POWER ON/OFF key OFF. Then, while holding down the ON/STANDBY key, press POWER ON/OFF key. Cautions Power mode Input selector settings Picture output Speaker O

11、N/OFF Volume level 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 Memory back

12、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. RadioFans.CN 收音机爱 好者资料库 KRF-V8080D/V8080D-S/VR-8050 3 EXTERNAL VIEW / ADJUSTMENT VOLUME CONTROL DOWNUP MUTE AV AUX S VIDEOVIDEOL-AUDIO-

13、R LISTEN MODEMULTI CONTROL SETUPTONESOUND MEMORYAUTOBAND TUNERPHONOCD/DVDDVD/6CH MD/TAPEVIDEO 3VIDEO 2VIDEO 1 ACTIVE EQSPEAKER EQLOUDNESSDSPSTEREOINPUT MODEDIMMER DSP SPEAKER EQ ACTIVE EQ DOLBY DIGITAL DTS LOUDNESS POWER STANDBY ON/STANDBY A SPEAKERS B PHONES Knob (K29-8364-11) Front glass (B10-5507

14、-02) Phone jack * (E11-) Knob (K29-8103-04) Panel (A60-2377-01) Knob (K29-8352-14) Knob (K29-8364-11) Knob assy (K29-8358-13) Knob assy (K29-8358-13) Cylindrical receptacle (E56-0033-05) Escutcheon (B07-2606-03) Escutcheon (B07-2689-01) Pin jack (E63-1251-05) Illust. is VR-8050. * Refer to parts lis

15、t on page 29 . EXTERNAL VIEW ADJUSTMENT No.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

16、CN11 with the correct polarity as indicated 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

17、MODE) Volume: Minimum IDLE CURRENT- VR1(FL) 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. RadioFans.CN 收音机爱 好者资料库 KRF-V8080D/V8080D-S/VR-8050 4 INTERCONNECTION DIAGRAM E601 A2 A1 VIDEO 3 AM 75 GND FM PHONES J501 CN

18、51 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 PHONO /AUX VIDEO 1 REC REC FL Lch Rch J21 Lch Rch WH2 Lch Rch Lch Rch WH6WH5 SW SL DVD/6ch SR C FR Lch Rch Lch Rch J11 Lch Rch J6 Lch WH1 CN

19、302 SPEAKERS FRONT B SURROUND BACK/ SUB WOOFER Rch J301LchSPEAKERS CENTER SPEAKERS J3 WH4 CN304 CN5 CN301 J5 Cch Rch FRONT A Lch WH221 CN303 VIDEO2 CN1 CN3 COAXIAL IN DVD OPTICAL IN VIDEO3 J1 CD/DVD VIDEO Rch AV AUX Lch CN2 WH3 S-VIDEO WH20 J20 P3 J21 CN2 PRE OUT WH2 WH1 J303 SW SBR SBL VIDEO1 OUT P

20、LAY IN MONITOR DVD J62 IN VIDEO3 PLAY IN VIDEO2 PLAY IN REC OUT PLAY J61 CN50 WH80 WH70 WH89 CN3 CN80 CN70 WH78 WH94 CN45 KRF-V8080D/-S J3 VR-8050 J2 P2 CN1 Y Y VIDEO3 IN DVD & Cb Cb Cr Cr MONITOR OUT J101 Cb Y Cr J102 CN101 WH69 VIDEO1 IN PLAY REC OUT CN68 E602 VIDEO2 VIDEO3 PLAY IN PLAY IN J65 CN6

21、5 WH66 J66 OUT MONITOR PLAY IN DVD CN49 WH5 CN46 KRF-V8080D/-S S2 CN41 WH42 CN67 J67 (X08-3310-10) J12 J22 CN5 (X09-6760-12) (X14-7630-12) SYSTEM CONTROL SURROUND J302 AUDIO CN47 1 3 1212121 1515 11 9 51 1 21212 51 1 3 9 1 911 9115 15 1 21 11013 21 1101 1 2 2 1 2 1 1212 41 41 1 2119 211 114 1914 1 5

22、 3 1 1 7 1 1 3 4 1 1 3 1 13 3 1 3 1 1 3 1 3 1 7 1 7 51 WW WW KRF-V8080D/-S CN22 : T4A L 250V KRF-V8080D/-S VR-8050 : 10A 125V CN11CN12 F1 : T1A L 250V CN21 F2 2 1 T1 2 1 14 6 1 6 1 14 41 51 2121 21 12 31 61 21 0-10 CANADA U.S.A. VR-8050 P K UNIT No. 2-71 EUROPE DESTINATION EUROPE COUNTRY KRF-V8080D-

23、S MODEL NAME KRF-V8080D E1 ABB. E W108 W110 W109 W106 W107 W105 1 3 KRF-V8080D KRF-V8080D-S VR-8050 MODEL NAME CANADAP EUROPE EUROPE E 2-74 COUNTRY DESTINATION U.S.A.K ABB. 0-12 UNIT No. ABB. DESTINATION KRF-V8080D-S KRF-V8080D EUROPE EUROPE MODEL NAME VR-8050 COUNTRY U.S.A. CANADA 2-74 E UNIT No. 0

24、-12 K P E1 E1 HEADPHONE PCB (X09- ) (B/5) (W02-2976-05) : E TYPE (W02-2974-05) : K,P TYPE TUNER ASSY TUNER PCB (X09- ) (C/5) DISPLAY PCB (X14-7630-12) (A/11) POWER AMPLIFIER UNIT (X09-6760-12) (A/5) FRONT AUX. (X14- ) (H/11) SPEAKER UNIT (X25- ) (B/2) VIDEO COMPOSITE (X14- ) (F/11) UNIT VR-8050 VOLU

25、ME STANDBY (X14- ) (C/11) SWITCH CONTROL (X14- ) (B/11) AC/STD. TRANS (X14- ) (I/11) TRANSFORMER (X14- ) (D/11) AVR COMPONENT VIDEO UNIT (X08-3310-10) SURROUND UNIT (X25-6620-11) (A/2) POWER (X14- ) (G/11) S-VIDEO UNIT POWER SWITCH (X14-) (K/11) (E/11) (X14- ) KRF-V8080D AVR 5 ACEBD 2 1 3 5 7 4 6 Re

26、fer to the schematic diagram for the value of resistors and capacitors. PC BOARD (Component side view) R52 C44 C544 31 113 C546 C548 C550 C551 C555 R521 R523 R524 R529 R532 R533 R534 R537 R538 C79 R98 C538C539 R89 C109 C110 C129 C130 C149 C150 C189 C190 C197 C41 C545 R81 C198 R92 C42 C57 C58 C95 C99

27、 21 R42 R90 R97 R107 R108 R127 R167 R168 R503 R504 R505 R506 R513 R514 R515 R528 R530 R536 R542 R543 R544 R545 C1 C2 CP51 CP52 CP53CP54 CP55 CP56CP57 CP58 CP59 CP60 CP61CP62 CP63 CP64 CP65 CP66 CP71 CP72 CP73 CP74 CP75 L1 L2 R1 R2 R4 OGI OGI R11 R12 R22 R23 R24 R25 R26 L4 L5 R30 R31 R32 R41 R43 R44

28、R45 R46 R47 R48 R49 R51 R65 R91 R93 R94 R95 R96 R109 R110 R111 R112 R152 R169 R170 R171 R172 R501 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 R50 C561 C562 C564 1 4837 12 36

29、25 1324 41 85 1 4434 11 2212 33 23 5 8 4 1 1 45 8 1 1 110 73 72 5 81 4 78 14 7 148 37 108 361 109 144 5 1 1 IGO 8 3 5 4 10 20 11 4 1 1 1011 20 1 3 4 5 169 18 3 1 4 5 11 201 101 10 11 20 1 45 8 1 45 8 1 45 8 15 1 16 30 122 4423 40 48 21 25 241 120 1 121 220 50 C49 C529 C65 C85 C94 R88 C91 C7 C6 C5 C1

30、00 R85 R84R86 C97 C46 C82 C43 C88 C47 C48 C101 C102 C121 C122 C141 C142 C161 C162 C265 C262 C191 C192 C193 C194 C195 C196 R87 C266 C261 EB EB D6 CN53 D7 D9 D5 D11 D12 D10 Q2 D2 D3 D4 D8 Q1 D17 D13 D14 D16 D15 A3A2 A1 D1 J1 CN4 CN2 S1 CN1 CN3 CN5 IC2 IC50 IC6 IC1 IC51 IC52 IC53 IC54 IC55 IC56 IC57 IC

31、58 IC49 IC60 IC61 IC10 IC12 IC14 IC16 IC18 IC20 IC62 IC59 IC19 IC63 IC21 IC22 IC23 X08-3310-10 (J70-1715-12)(SIDE A) OUTVIDEO3CD/DVD OPTICAL OPTICAL IN COAXIAL IN 6 FGIHJ 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD (Component side view) C45 C530 R

32、518 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 O G I R6 C96 C502 C503 C504 C505 C506 C507 C509 C510 C511 C512 C513 C514 C515 C516 C517 C518 C520 C522 C523 C524 C525 C527 C531 C532 C534 C535 C537 C540 C543 C169 C170 C11 C81 C

33、3 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 R102R121 R122 R128 R141 R142 R147 R148 R161 R162 R510 R551 R201 R202 R203 R204 R205 R206 R207 R208 R211 R212 R215 R216 R219 R220 C8 C9 C63 C98 C105 C106 C125 C126 C145 C146 C165 C166 C18

34、1 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 R151 R163 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

35、C563 C567 C568 C565 R33 C566 C569 C570 C574 B E 51 D42 D41 D51 Q51 IC24 IC26 X08-3310-10 (J70-1715-12)(SIDE B) 2 KMOQSLNPRT 1 3 5 7 4 6 R612 R620 R621 R619 R618 110 C603 C607 C608 R614 C604 C605 C606 R617 R616 R615 R613 R611 R622 W324 W325 W321 W323 W320 W322 R623 R624 Q609 Q608 D606 D605 D607 CN8 I

36、C6 X09 E/5 IC3 Q54Q52Q34Q32Q12Q14Q53 Q51Q13 Q11Q33Q31 WH7.2 WH7.7 WH7.6 WH7.10 WH7.1 WH7.9 WH7.8 WH7.5 WH7.4 D601 D64 D21 D22 D20 D600 Q351 Q352 D603 D17 D63 D65 D67 Q302 Q331 Q332 Q333 Q334 Q335 Q336 Q337 Q338 Q360 Q361 D19 D25 Q301 Q305 Q308 Q309 Q310 Q312 Q603 D604 Q604 D602 Q602 D1 D2 D3 D4 D5 D

37、6 D13 D14 D15 D16 D18 D23 D24 D28 D29 D30 D32 D33 D34 D35 D51 D52 D53 D54 D55 D56 D57 D58 D59 D60 D61 D62 D66 D221 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 Q30 Q41 Q42 Q43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q303 Q304 Q306 Q307 Q353 Q354 Q355 Q356 Q357 Q358 Q359 Q362 Q365 Q607 Q605

38、 Q606 D68 Q311 D27 D69 Q313 D26 J11 J1 J12J21J22 BLK E22 WH21 RED BLU WH7.3 RED J3 J2 J4 J5 IC4 WH4 J6 J7 (J70-1676-01) WH1 IC5 WH221 WH2 BLK WHT YEL GRY ORG BLK WH2 CN3 CN2 IC1 WH3 D11 CN6 WH6 BLU WH5 RED BLK CN5 BLU CN4 RED WH5 BLU WH6 Q363 Q364CN7 D12 CN1 CN15 CN13 CN10CN12CN11CN14 E501 CN51 P501

39、 X09 C/5 J501 CN21 X09 B/5 WH21 CN22 E21 PHONES X09-6760-10 A/5 LR FRONT B SPEAKERS FRONT A LRC CENTER SPEAKERS PRE OUTWOOFER SUB SURROUND CENTER FRONT DVD/6CH INPUT PLAY INPLAY INPLAY INREC OUT VIDEO 1 REC OUTPLAY IN MD/TAPEVIDEO 2VIDEO 3 CD/DVDPHONO ININ 1 1 121 220 19 218 80 6564 41 40 2524 95mm

40、SW IDLE IDLE SR IDLE W351 W350 W25 W49 W14 W12 W15 W11 W13W10 W1 1 1 1 4 3 5 4 2 W2 C364 / BLK BLK W56 W75 C319 W293 W53 R315 EB EB R461 C320 R316 R450 R462 R313 C312 R312 C310 C313 R354 R355 C314 C1 C2 C5C6 C7C8 C17C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38

41、C46 C47 C55 C56 C66 C67 C72 C73 C74 C75 C115 C116 C121 C122 C123 C124 C165 C166 C171 C172 C173 C174 C231 C232 C304 C351 C352 C353 C354 C361 C362 C363 C369C365C367 R3R4 R13R14 R19 R20 R23 R24 R27 R28 R31 R32 R35 R36 R39 R40 R43 R44 R49 R50 R53 R54 R57 R59 R60 R63 R64 R67 R68 R113 R114 R117 R118 R163

42、R164 R167 R168 R223 R224 R225 R226 R229 R230 R233 R234 R413 R414 R466R472 C92 C93 C94C95 C141 C142 C143 C144 C191 C192 C193 C195 C196 C308 C309 C315 C316 C317C318 W222 C3C4 C9C10 C11C12 C13C14 C15C16 C44 C45 C51 C52 C53 C54 C57 C58 C62 C63 C64 C65 C68 C69 C70 C71 C76 C77 C78 C79 W235 C82 C83 C84 C85

43、 C86 C87 C88 C89 C90 C91 C111 C112 C113 C114 C117 C118 C119 C120 C125 C126 C127 C128 C133 C134 C135 C136 C137 C138 C139 C140 C161 C163 C164 C167 C168 C169 C170 C175 C176 C177 C178 C181 C183 C184 C185 C186 C187 C188 C189 C190 C221 C222 C223 C224 C225 C226 C227 C228 C229 1 1 14 7 148 4 85 C230 C307 C3

44、55 C356 C357 C358 C359 C360 C366 C368 R1R2 R5R6 R7R8 R9R10 R11R12 R15 R16 R17 R18 R21 R22 R25 R26 R29 R30 R33 R34 R37 R38 R41 R42 R45 R46 R47 R48 R51 R52 R55 R56 R65 R66 R69 R70 R71 R72 R73 R74 R75 R76 R77 R78 R79 R80 R81 R82 R83 R84 R85 R86 R87 R88 R89 R90 R91 R92 R93 R94 R95 R96 R97 R98 R99 R100 R

45、111 R112 R115 R116 R119 R120 R121 R122 R123 R124 R125 R126 R127 R128 R129 R130 R131 R132 R133 R134 R135 R136 R137 R138 R139 R140 R141 R142 R143 R144 R145 R146 R147 R148 R149 R150 R161 R162 R165 R166 R169 R170 R171 R172 R173 R174 R175 R176 R177 R178 R179 R180 R181 R182 R183 R184 R185 R186 R187 R188 R

46、189 R190 R191 R192 R193 R194 R195 R196 R197 R198 R199 R200 R221 R222 R227 R228 R231 R232 R235 R236 R302 R303 R305 R306 R307 R308 R309 R321 R322 R325 R326 R327 R328 R329R330 R351 R352 R353 R356 R357 R358 R359 R360 R361 R362 R363 R364 R365 R366 R367 R381 R382 R383 R384 R385 R386 R387 R388 R389 R390 R3

47、91 R392 R401 R402 R403 R404 R405 R406 R407 R408 R409 R410 R411 R412 R431 R432 R433 R434 R435 R436 R437 R438 R451 R452 R453 R455 R456 R457 R458 R304 R460 R463 R464 R465 R467 R468 R469 R471 R473 R474 R475 W294 W266 W265 W225 W189 W66 W4 W52 W76 W6 W64 W61 W58 W68 W88 W60 W83 W155 W78 W62 W98 W201 W229

48、 W267 W298 W256 W140 W299 W137 W77 W72 W281 W254 W270 W218 W257 W232 W192 W207 W206 W272 W216 W230 W231 W271 W226 W278 W241 W261 W263 W247 W245 W277 W282 W286 W250 W258 W214 W157 W217 W236 W211 W175 W115 W54 W51 W173 W292 W259 W253 W237 W240 W7 W198 W228 W268 W5 W221 W194 W190 W243 W246 W239 W260 W2

49、09 W121 W205 W210 W63 W182 W185 W70 W159 W93 W184 W124 W161 W160 W129 W227 W219 W297 W3 W122 W170 W296 W280 W283 W262 W264 W238 W242 W249 W224 W111 W118 W279 W125 W120 W117 W183 W110 W71 W69 W97 W87 W74 W80 W84 W151 W131 W150 W134 W145 W154 W180 W89 W109 W106 W116 W199 W123 W203 W187 W196 W191 W59 W57 W114W152 W104 W105 W113 W91 W96 W107 W119 W130 W103 W136 W147 W163 W179 W158 W168 W186 W169 W82 W90 W95 W193 W165 W171 W178 W174 W144 W73 W92 W94 W81 W100 W101 W108 W85 W112 W99 W102 W177 W67 W132 W135 W139 W143 W148 W149 W128 W204 W133 W200 W141 W234 W12