Kenwood-VR7070-avr-sm 电路图 维修手册.pdf

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1、70% LOUDNESSSPEAKER EQ ACTIVE EQDSP STEREOINPUT MODEDIMMER SOUNDTONESETUP BANDAUTOMEMORY MULTI CONTROLLISTEN MODE TUNER MD/TAPEVIDEO 3VIDEO 2VIDEO 1 PHONOCD/DVD DSP DTS CSII DOLBY DIGITAL SPEAKER EQ ACTIVE EQ STANDBY ON/STANDBY A SPEAKERS B POWER PHONES DOWN MUTE AV AUX S VIDEOVIDEOL-AUDIO-R UP VOLU

2、ME CONTROL DVD/6CH ON OFF AUDIO VIDEO SURROUND RECEIVER 2003-2 PRINTED IN KOREA B51-5843-00 (K/K) 3172 Knob(BUTTON) * (K27-) SUB WOOFER SURROUND BACK +- +- SPEAKERS(8-16) FRONT A FRONT B CENTERSURROUND - + PHONOCD/DVDMD/TAPE REC OUT VIDEO 1 PLAY INPLAY IN VIDEO 2VIDEO 3 PLAY IN DVD/6CH.INPUT FRONTSU

3、RROUND COAXIALSYSTEM CONTROL OPTICAL CD/DVD DIGITAL IN IN VIDEO S VIDEO IN VIDEO DVD/6CH VIDEO 2 S VIDEO IN DVDMONITOR OUT VIDEO PRE OUT SUB WOOFER ININREC OUTPLAY IN PLAY INPLAY INPLAY INREC OUTCENTER OUTIN VIDEOVIDEO AC OUTLETS 150W 1.25A MAX. SWITCHED TOTAL GRAYWHITEGREENBLUERED LRLR LR FM 75 GND

4、 AM ANTENNA GND Front glass * (B10-) * Refer to parts list on page 29 . KRF-V7070D/V7070D-S/V8070D SERVICE MANUAL Metallic cabinet * (A01-) AC power cord * (E30-) Illust. is KRF-V7070D. KRF-V8070D-S/X9070D/X9070D-S VR-7060/7070/7080 Phone jack (E11-0271-05) Knob(VOLUME) * (K29-) Panel * (A60-) Knob

5、* (K29-) Dressing panel * (A21-) Tuner assy * (W02-) Optical receiving module (W02-2731-05) Pin jack (E63-1080-05) AC outlet * (E03-) Pin jack (E63-1317-05)x2 Lock terminal board (E70-0161-05) Knob assy * (K29-) Knob assy * (K29-) Miniature phone jack (E11-0293-05) Cylindrical receptacle (E56-0040-0

6、5) Pin jack (E63-1317-05)x2 Pin jack (E63-1248-05) Pin jack (E63-1247-05) Screw terminal board (E70-0150-05) AC power cord bushing (J42-0349-05) Cylindrical receptacle (E56-0033-05) Pin jack (E63-1251-05) Cylindrical receptacle (E56-0042-05) Pin jack (E63-1293-05)x2 RadioFans.CN 收音机爱 好者资料库 KRF-V7070

7、D/V8070D/X9070D/VR-7060/7070/7080 2 ACCESSORIES / CAUTIONS Accessories FM indoor antenna (1) (T90-0877-05) There is a different shape of remote control in every area. AM loop antenna (1) (T90-0893-05) RF remote antenna (1) Refer to the table on this page below. Batteries (R6/AA) (2) REMOTE CONTROL v

8、s MODEL Cautions 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 due to some other external factor. If this happens, execute the following procedure to reset the microcompu

9、ter and return the unit to its normal operating condition. Unplug the power cord from 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

10、 it left the factory. 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 level. BASS, TREBLE, INPU

11、T level. TONE ON/OFF. LOUDNESS ON/OFF. Dimmer level. MD/TAPE settings. Listen mode setting. 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 stati

12、ons. Tuning mode. THX mode. DSP mode. ACTIVE EQ mode. SPEAKER EQ mode. MODEL PARTS #BATTERY COVER KRF-V7070DE7A70-1623-05A09-1274-08 KRF-V7070D-SE1A70-1623-05A09-1274-08 VR-7060K6A70-1622-05A09-1274-08 VR-7060P6A70-1622-05A09-1274-08 KRF-V8070DE8A70-1623-05A09-1274-08 KRF-V8070D-SE2A70-1623-05A09-12

13、74-08 KRF-X9070DY1A70-1619-05A09-1275-08 KRF-X9070DE9A70-1621-05A09-1274-08 KRF-X9070D-SE3A70-1621-05A09-1274-08 VR-7070K7A70-1620-05A09-1274-08 VR-7070P7A70-1620-05A09-1274-08 VR-7080K8A70-1619-05A09-1275-08 VR-7080P8A70-1619-05A09-1275-08 8 9 7 ABBRI. RadioFans.CN 收音机爱 好者资料库 KRF-V7070D/V8070D/X907

14、0D/VR-7060/7070/7080 3 EXTERNAL VIEW / ADJUSTMENT THX SPEAKER EQACTIVE EQDSP STEREOINPUT MODEDIMMER SOUNDTONESETUP BANDAUTOMEMORY MULTI CONTROLLISTEN MODE TUNER MD/TAPEVIDEO 3VIDEO 2VIDEO 1 PHONOCD/DVD THX DTS CS II DOLBY DIGITAL SPEAKER EQ ACTIVE EQ A SPEAKERS B PHONES DOWN MUTE AV AUX S VIDEOVIDEO

15、L-AUDIO-R UP VOLUME CONTROL STANDBY POWER ON/STANDBY DVD/6CH Knob (K29-8107-02) Front glass * (B10-) Phone jack (E11-0271-05) Knob * (K29-) Panel * (A60-) Knob * (K29-) Knob (K29-8111-02) Knob assy * (K29-) Knob assy * (K29-) Cylindrical receptacle (E56-0033-05) Pin jack (E63-1251-05) Illust. is VR-

16、7060. * Refer to parts list 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.

17、1. Connect a voltmeter to 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, S

18、W ch. X09(A/5) (FRONT 2ch 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-V7070D/V8070D/X9070D/VR-7060/7070/7080 4 INTERCONNECTION DIAGRAM E601

19、ONLY (Y) TYPE SPACE SWITCH CHANNEL A3 A2 A1 VIDEO 3 AM 75 GND FM PHONES J501 CN51 EXCEPT KRF-V7070D/-S CN13 Rch CN10 Lch Rch CN12CN11 CN21CN22 WH21 E21 CN14CN15 E22 P501 WH90 WH91 WH93 CN7 WH92 CN4 CN6 WH88 S800 CN5 CN3 VIDEO 2 VIDEO 1 PLAY MD/TAPE PLAY MD/TAPE CD PHONO /AUX VIDEO 1 REC REC RchFL Lc

20、h Rch Lch Rch J21 Lch Rch WH2 Lch Rch Lch Rch J7 WH6WH5 SW FRONT B KRF-V7070D/-S ONLY SPEAKERS SL DVD/6ch SR C FR Lch Lch Rch Lch Rch J11 Lch Rch J6 Lch WH1 CN302 SPEAKERS SURROUND FRONT B SB SW KRF-V7070D/-S EXCEPT SURROUND BACK/ SUB WOOFER Rch J301LchSPEAKERS KRF-X9070D/-S VR-7070 VR-7080 KRF-X907

21、0D/-S CN8 KRF-X9070D/-S CENTER SPEAKERS J3 WH7 KRF-X9070D/-S J4 VR-7070 EXCEPT WH4 CN304 CN5 CN301 J5 Cch Rch FRONT A Lch WH221 CN303 VR-7070/7080 ONLY VIDEO2 CONTROL SYSTEM CN1 CN3 COAXIAL IN DVD OPTICAL IN OPT OUT J800 VIDEO3 J1 CD/DVD ONLY VR-7070 COM Rch AV-AUX Lch CN2 WH3 S-VIDEO WH20 J20 P3 J2

22、1 CN2 PRE OUT WH2 WH1 J303 SW C SBR SBL SR J302 SL FR FL ROOM B ROOM B R L VIDEO1 OUT MONITOR ROOM B OUT PLAY IN MONITOR DVD J63 J62 IN VIDEO3 PLAY IN VIDEO2 PLAY IN REC OUT PLAY J61 (Y) TYPE CN50 WH80 WH70 WH89 CN4 CN80 CN70 WH78 WH94 ONLY VR-7060 VR-7070 WH87 CN45 (E) TYPE ONLY J3 (K,P,Y) TYPE ONL

23、Y J2 P2 ONLY (Y)TYPE CN48 EXCEPT CN47 CN1 VR-7080 ONLY KRF-V7070D/-S EXCEPT P201 Y Y VIDEO IN DVD & Cb Cb Cr Cr EXCEPT KRF-V7070D/-S MONITOR OUT J101 Cb Y Cr CN202 (Y) TYPE EXCEPT J202 J201 J102 CN101 IR OUT ONLY VR-7080 IR IN WH69 EXCEPT KRF-V7070D/-S VIDEO1 IN PLAY REC OUT CN68 E602 VIDEO2 VIDEO3

24、PLAY IN PLAY IN J65 CN65 WH66 ONLY KRF-V7070D/-S VIDEO PLAY IN J66 OUT MONITOR J68 PLAY IN DVD (Y)TYPE ONLY CN49WH5 CN46 (K,P) TYPE EXCEPT S2 P1 CN41 WH42 S1 CN1 WH1 CN67 J67 (X09-6760-10) (X14-7630-10) (X08-3130-10) (X25-6490-14) J12 J22 VR-7080 VR-7070 ONLY VR-7080 VR-7070 1 3 1212121 1515 11 9 51

25、 1 21212 51 1 3 9 1 911 9115 15 1 21 1101 21 1 100KHz 101 50kHz 1 2 2 1 2 1 1212 41 41 1 9 1 10 10 5 8 7 6 4 3 2 1 2119 211 114 1914 1 5 3 1 1 7 1 1 3 4 1 1 3 13 13 3 1 3 1 1 3 1 3 1 7 1 7 1751 WW WW EXCEPT (K,P) TYPE CN22 : T4A L250V EXCEPT (K,P) TYPE (K,P) TYPE : 10A 125V CN11CN12 F1 : T2.5A L250V

26、 CN21 F2 2 1 T1 1 3 2 1 71 14 6 1 6 1 14 41 51 212121 12 T4A L250V CN3 31 61 CN4 5 F3 220-240V 1 31 110-120V 21 U.S.A. CANADA U.S.A. CANADA U.S.A. CANADA EUROPE EUROPE EUROPE EUROPE EUROPE EUROPE COUNTRY DESTINATION VR-7060 VR-7070 VR-7080 KRF-X9070D KRF-V7070D KRF-X9070D-S KRF-V8070D-S KRF-V8070D K

27、RF-V7070D-S MODEL NAME K6 P6 K8 P8 K7 P7 Y1 E9 PX UNIT No. E7 E2 E8 E3 E1 ABB. 0-11 2-71 0-10 0-10 2-91 2-73 2-72 2-91Y1PX CANADA CANADA CANADA VR-7070 VR-7060 VR-7080 K7U.S.A. P7 K6U.S.A. P6 0-10 0-11 K8U.S.A. P8 0-10 EUROPE EUROPE EUROPE EUROPE EUROPE EUROPE KRF-V8070D KRF-X9070D-S KRF-X9070D KRF-

28、V8070D-S KRF-V7070D KRF-V7070D-S E8 E9 E3 2-71 E1 E7 E2 2-73 2-72 COUNTRY MODEL NAME ABB. DESTINATION UNIT No. 0-12E3EUROPEKRF-X9070D-S 0-12 0-11 0-23 0-12 CANADA U.S.A. VR-7060 P6 K6 U.S.A. CANADA EUROPE CANADA U.S.A. VR-7080 VR-7070 KRF-X9070D P8 K7 P7 PX K8 Y1 E9 0-11 UNIT No. 0-10 EUROPE EUROPE

29、EUROPE DESTINATION EUROPE COUNTRY KRF-V8070D-S KRF-V8070D KRF-V7070D MODEL NAME KRF-V7070D-S E2 E8 E7 ABB. E1 CANADA CANADA VR-7070 VR-7060 U.S.A. U.S.A. 0-13 P6 K6 K7 P7 0-14 EUROPE COUNTRY EUROPE EUROPE EUROPE DESTINATION CANADA VR-7080 KRF-X9070D-S KRF-X9070D KRF-V8070D U.S.A. PX KRF-V8070D-S MOD

30、EL NAME 0-13 K8 P8 Y1 0-14 2-72 E3 E9 E8 2-72 UNIT No. E2 ABB. W108 W110 W109 W106 W107 W105 HEADPHONE PCB (X09- ) (C/5) (W02-2976-05) : E TYPE (W02-2975-05) : Y TYPE (W02-2974-05) : K,P TYPE TUNER ASSY TUNER PCB (X09- ) (B/5) DISPLAY PCB (X14-7630-10) (A/11) POWER AMPLIFIER UNIT (X09-6760-10) (A/5)

31、 6dB (X09- ) (E/5) PRE AMP FRONT AUX. (X14- ) (H/11) SPEAKER UNIT (X25- ) (B/2) VIDEO COMPOSITE (X14- ) (F/11) UNIT VR-7060/7070/7080 VOLUME STANDBY (X14- ) (C/11) SWITCH SELECTOR (X14- ) (B/11) AC/STD. TRANS (X14- ) (I/11) TRANSFORMER (X14- ) (D/11) I/C AVR COMPONENT VIDEO UNIT (X08-3130-10) DSP UN

32、IT (X25-6490-14) (A/2) POWER (X14- ) (G/11) S-VIDEO UNIT (L07-3252-05) : KRF-V7070D/V7070D-S (L07-3241-05) : KRF-X9070D(Y) TYPE (L07-3240-15) : VR-7070/7080 POWER TRANSFORMER POWER SWITCH (X14-) (K/11) (X14- ) (J/11) TRANSFORMER POWER VOLTAGE SELECTOR (L07-3138-05) : VR-7060 KRF-V8070D/V8070D-S (L07

33、-3251-05) : KRF-X9070D/-S(E)TYPE (E/11) (X14- ) KRF-X9070D/-S,KRF-V8070D/D-S,KRF-V7070D/D-S,KRF-V7070D/D-S 2 ACEGIBDFHJ 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD (Component side view) 5 6 R612 R620 R621 R619 R618 110 C603 C607 C608 R614 C604 C605

34、C606 R617 R616 R615 R613 R611 R622 W324 W325 W321 W323 W320 W322 R623 R624 Q609 Q608 D606 D605 D607 CN8 IC6 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

35、 Q336 Q337 Q338 Q360 Q361 D19 D25 Q301 Q305 Q308 Q309 Q310 Q312 Q603 D604 Q604 D602 Q602 D1 D2 D3 D4 D5 D6 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 Q

36、43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q303 Q304 Q306 Q307 Q353 Q354 Q355 Q356 Q357 Q358 Q359 Q362 Q365 Q607 Q605 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 B

37、LU WH5 RED BLK CN5 BLU CN4 RED WH5 BLU WH6 Q363 Q364CN7 D12 CN1 CN15 CN13 CN10CN12CN11CN14 E501 CN51 P501 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

38、VIDEO 1 REC OUTPLAY IN MD/TAPEVIDEO 2VIDEO 3 CD/DVDPHONO ININ 1 1 121 220 19 218 80 6564 41 40 2524 95mm 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 C31

39、4 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 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

40、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 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 C1

41、5C16 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 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

42、C185 C186 C187 C188 C189 C190 C221 C222 C223 C224 C225 C226 C227 C228 C229 1 1 14 7 148 4 85 C230 C307 C355 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 R

43、75 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 R111 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 R

44、166 R169 R170 R171 R172 R173 R174 R175 R176 R177 R178 R179 R180 R181 R182 R183 R184 R185 R186 R187 R188 R189 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 R3

45、57 R358 R359 R360 R361 R362 R363 R364 R365 R366 R367 R381 R382 R383 R384 R385 R386 R387 R388 R389 R390 R391 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 R4

46、74 R475 W294 W266 W265 W225 W189 W66 W4 W52 W76 W6 W64 W61 W58 W68 W88 W60 W83 W155 W78 W62 W98 W201 W229 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 W

47、175 W115 W54 W51 W173 W292 W259 W253 W237 W240 W7 W198 W228 W268 W5 W221 W194 W190 W243 W246 W239 W260 W209 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

48、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

49、W132 W135 W139 W143 W148 W149 W128 W204 W133 W200 W141 W234 W126 W142 W127 W138 W176 W162 W181 W146 W167 W164 W153 C600 R600 W195 W212 W166 W233 W220 W244 R609 R610 R608 R607 R603 R601 R605 W291 W284 W290 W289 R602 R604 R606 W21 W20 W213 W208 W252 W276 W65 C321 W223 W215 19 C323 W86 W50 W55 C322 W302 W307 W306 W301 W172 W287 W156 W188 115 R339 R338 R340 W79 R341 R336 C370 R335 R337 R334 W255 R324 R323 W197 W248 R476 R470 W318 C325 W303 W305 W300 W273 C324 W311 W312 W309 W310 W314W313 W308 W251 W317 R237 C303 R319 C233 W315 W319 W8