Kenwood VR 3080 Service Manual - Page 21

AO AP AQ AR C458 10u50 R464 68K (X08-297X-XX) (A/10) -6dB ATT DRIVE 16.0V Q460 -3dB ATT DRIVE 16.0V -16.5V Q461 R468 3.3K Q459 + 4.9V R462 15K R463 15K R460 10K R461 10K +17V 20db SEL DRIVE 3.0V 16.0V Q452 -16.5V Q451 R453 10K R452 2.2K C451 10u50 REC + MUTE DRIVE Q454 14.6V 16.0V Q453 2.4V 17V R455 68K R454 1.2K C452 10u50 + SURROUND MUTE Q456 DRIVE 14.6V 16.0V Q455 R457 R456 68K 1.2K C453 10u50 2.4V SW Q458 + MUTE DRIVE 14.6V 16.0V Q457 R459 68K R458 1.2K C454 10u50 16.1V + R175 100 2.4V 81 4.9V 80 4.9V 79 82 94 95 C151 10u50 + +17V 17V -16.6V C153 R153 560P 8.2K 17V R151 100K 12 R159 CK 11 10K GND 10 NC 4 IN LD1 21 R155 220K 5 6 7 8 NC CS1 9 R160 10K R161 10K C159 100P C251 10u50 + 13 DA 14 ST 15 NC LD2 AGND Lch Rch 17 NC 16 CS2 20 19 18 FRch R152 100K C152 10u50 + R154 C154 R156 220K 8.2K 560P R251 100K 5 6 7 CS1 9 8 NC 12 CK 11 GND 10 NC R255 220K Lch Rch LD1 LD2 AGND 4 IN 3 C253 R253 560P 8.2K 17V 22 3 OUT OUT 23 NC 2 NC 2 NC 24 1 +17V VDD VSS 1 ELECTRIC VOL. IC16 16.9V -16.6V ELECTRIC VOL. IC26 VDD VSS 23 NC 16 CS2 17 NC 13 DA 14 ST 15 NC 24 22 21 20 19 18 C351 10u50 + 16.9V RSch C252 10u50 + R351 100K C343 12 100P CK 11 GND 10 NC CS1 9 8 NC 16 CS2 17 NC 13 DA 14 ST 15 NC C342 100P C341 100P 16.9V SWch C352 10u50 + +17V R352 100K R354 C354 8.2K 560P +17V 18 7 AGND 19 6 LD2 +17V C353 R353 560P 8.2K 17V +17V R252 100K R254 C254 8.2K 560P +17V R256 220K 16.9V +17V -16.6V 5 R355 220K Lch Rch LD1 4 IN 3 OUT 2 NC ELECTRIC VOL. IC36 24 VDD VSS 1 23 NC 22 21 20 R356 220K 16.9V C356 0.1 C358 0.1 R358 1M C355 0.1 C357 0.1 R357 1M C256 0.1 C258 0.1 R258 1M C255 0.1 C257 0.1 R257 1M C156 0.1 C158 0.1 R158 1M C155 0.1 C157 0.1 R157 1M C161 2.2u50 + C162 2.2u50 + R164 120K C164 82P R163 120K C163 82P Q151,152 17V -16.6V R169 1K R165 100K 20db SEL. C171 22u35 + -16.5V R173 34 1 2 IC17 (1/2) R167 10K C165 100P 10K Q151 C168 C167 100P 100P Q152 R174 10K -16.5V R170 1K R166 100K C166 100P R168 10K C172 22u35 6 + 5 16.9V IC17 (2/2) 7 8 +17V C261 2.2u50 + C262 2.2u50 + C361 2.2u50 + C362 2.2u50 + R364 120K C364 82P R363 120K C363 82P R264 120K C264 82P R263 120K C263 82P 17V -16.6V -16.5V R273 10K Q251 R269 1K R265 100K C271 22u35 + 34 1 2 IC27 (1/2) R267 10K C265 100P C268 C267 100P 100P R270 1K R266 100K Q252 R274 10K -16.5V Q251,252 20db SEL. C272 22u35 + C266 100P R268 10K IC27 6 (2/2) 7 5 8 16.9V +17V 17V -16.6V -16.5V R373 10K Q351 R369 1K R365 100K C371 22u35 + 34 1 2 IC37 (1/2) R367 10K C365 100P C368 C367 100P 100P R370 1K R366 100K Q352 R374 10K -16.5V Q351,352 20db SEL. C372 22u35 + C366 100P R368 10K IC37 6 (2/2) 7 5 8 16.9V +17V C370 C369 100P 100P C377 0.01 C378 150P C270 C269 100P 100P C277 0.01 C278 150P 17V +17V C170 C169 100P 100P C177 0.01 C178 150P 17V +17V C175 22u50 + R176 100 C176 22u50 + R275 100 C275 22u50 + R276 100 C276 22u50 + R375 100 C375 22u50 + C376 22u50 + R382 220K R381 220K R282 220K R281 220K R182 220K R181 220K AS C191 100P C192 100P C190 39P R183 470 0.7V R187 2.2K Q153 Q153-156 MUTE R185 470 0.7V R189 2.2K Q155 0.7V R188 2.2K Q154 R184 470 0.7V R190 2.2K Q156 R186 470 R283 470 0.7V R287 2.2K Q253 Q253-256 MUTE R285 470 0.7V R289 2.2K Q255 0.7V R288 2.2K Q254 R284 470 0.7V R290 2.2K Q256 R286 470 C291 100P C292 100P AT AU AV AW AX CN4 1 LS 2L 3 A GND 4C 5R 6 RS 7 N.C. J2 1L FRONT 2R 3L X09-A/5 -CN6 3/4 B X09-A/5 -CN8 3/4 VR-3080 (X08-2970-10) DESTINATION COUNTRY U.S.A. CANADA ABB. K P UNIT No. 0-10 A YES R701,703,705, 755,773 NO R702,704, 706,772 YES C190 NO J1 E63-1028-05 J2 E63-1084-05 J61,62 E63-0162-05 2SA1123 2SC2878 2SA1534A 2SC3940A 2SA992 2SD863 2SC1845 2SC2003 2SC2631 KRF-V7772D (X08-297X-XX) DESTINATION COUNTRY ABB. PX Y GENERAL MARKET M AUSTRALIA X JAPAN J UNIT No. 2-91 0-21 0-71 0-01 A YES NO R701 YES R702 NO R703 YES NO YES R704 NO YES NO R705 NO YES R706 YES NO R755 NO YES R772 YES NO R773 YES NO C190 NO YES J1 E63-1028-05 E63-1069-05 J2 E63-1084-05 E63-1085-05 J61,62 E63-0162-05 E63-0139-05 DTC124ESA 2SA1048 2SC2458 C IC1,11-13,17,21,27, 31,32,37,41 : NJM4565MD IC3 : CS4226KQG IC5 : TA7805SB IC6 : TC74HCU04AF IC7 : TC74HC123AF IC15 : TC9162AF IC16,26,36 : TC9412AF IC42 : TC9184AP IC51 : YSS912 IC52 : W241024AJ-15 or CY7C1009-15VC IC54 : L88M33T IC55,56 : TC7WU04FU IC57 : TC7S00F IC61 : BA7626F IC62 : TA78057SB IC71 : UPD784214GF527 IC72 : UPD17215GT-737 IC81 : S-80740AL-A4 Q1-4,151-156,251-256,351-356,623 : 2SC4213(B) Q11,631 : UN5112 or DTA124EUA Q451,453,455,457,459,461 : UN5216 or DTC143TUA Q452,454,456,458,460,462 : UN5119 or DTA113ZUA Q501,852,854 : UN5212 or DTC124EUA Q611,612,621,622,801,851,853,856 : 2SC4081(R,S) or 2SC4116(Y,GR) Q855,857 : 2SA1576A(R,S) or 2SA1586(Y,GR) D1,2,41,101,860,861 : DA204U or 1SS302 or MA143A D61,501,502,611,701-707, 803,851,852,855,856 : MA111 D452,453,708,801,802,804 : U1BC44 D853,857 : DAN202U or 1SS301 or MA142WK D854,858 : DAP202U or 1SS300 or MA142WA A1,2 : W02-1181-05 DTC143TUA UN5119 UN5216 2SA1586 2SC4116 UN4212 UN4219 2SA1309A 2SC3311A MAIN VOL. (X08- ) (F/10) WH53 E53 R580 IRVDD 5 4.7 1/4W + Q571,572 IR REMOTE TRANSMIT +B + C571 100u25 C572 100u25 D572 D571 D574 D573 4 u-COMGND 3 ENCB 2 ENCA 1 TX REM H 0V R572 430 Q571 12.8V 0V R577 430 0V 12.8V Q572 0V +B B IR LED (X08- ) (G/10) VOLUME S97 SIGNAL LINE GND LINE B LINE B LINE 2SC4081 2SD1757K NJM4565D-D C573 1000P R571 10K R573 3.9 1/2W R578 3.9 1/2W SURROUND PRE OUT 4R Q571,572 D571-574 : 2SC3940A(R,S) or 2SD863(E,F) : B30-2532-05 E54 WH54 E55 3 3 2 2 1 1 TC9184AP NJM4580L-D R383 470 0.7V R387 2.2K Q353 Q353-356 MUTE R385 470 0.7V R389 2.2K Q355 0.7V R388 2.2K Q354 R384 470 0.7V R390 2.2K Q356 R386 470 C392 100P C391 100P 5 CENTER 6 SUB WOOFER VR-3080 (2/4) KRF-V7772D (2/4) X08-J/10 -CN62 4/4 D X09-A/5 -E2 3/4 E X08-D/10 -CN92 4/4 F X09-A/5 -CN1 3/4 G CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended 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 acceptably insulated from the supply circuit) before the appliance is returned to the customer. The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The measurement value may vary depending on the measuring instruments used or on the product. DOLBY and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. Noise reduction circuit made under license from Dolby Laboratories Licensing Corporation. NJM4565MD TA7805SB KRF-V7772D/VR-3080 Y05-3850-10