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(For United Kingdom) (“EB” area code model only) For your safety, please read the following text carefully. This appliance is supplied with a moulded three pin mains plug for your safety and convenience. A 5-ampere fuse is fitted in this plug. Should the fuse need to be replaced please ensure that the replacement fuse has a rating of 5-ampere and that it is approved by ASTA or BSI to BS1362. Check for the ASTA mark or the BSI mark on the body of the fuse. If the plug contains a removable fuse cover you must ensure that it is refitted when the fuse is replaced. If you lose the fuse cover the plug must not be used until a replacement cover is obtained. A replacement fuse cover can be purchased from your local dealer. WARNING: DO NOT CONNECT EITHER WIRE TO THE EARTH TERMINAL WHICH IS MARKED WITH THE LETTER E, BY THE EARTH SYMBOL OR COLOURED GREEN OR GREEN/YELLOW. THIS PLUG IS NOT WATERPROOF—KEEP DRY. Before use Remove the connector cover. How to replace the fuse The location of the fuse differ according to the type of AC mains plug (figures A and B). Confirm the AC mains plug fitted and follow the instructions below. Illustrations may differ from actual AC mains plug. 1. Open the fuse cover with a screwdriver. Figure A CAUTION! IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE SOCKET OUTLET IN YOUR HOME THEN THE FUSE SHOULD BE REMOVED AND THE PLUG CUT OFF AND DISPOSED OF SAFELY. THERE IS A DANGER OF SEVERE ELECTRICAL SHOCK IF THE CUT OFF PLUG IS INSERTED INTO ANY 13-AMPERE SOCKET. Figure B Fuse cover If a new plug is to be fitted please observe the wiring code as shown below. If in any doubt please consult a qualified electrician. IMPORTANT The wires in this mains lead are coloured in accordance with the following code: Blue: Neutral, Brown: Live. As these colours may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Black or Blue. The wire which is coloured Brown must be connected to the terminal which is marked with the letter L or coloured Brown or Red. 2. Replace the fuse and close or attach the fuse cover. Figure A Fuse (5 ampere) Figure B Fuse (5 ampere) O SPEAKER TERMINAL(L) P.C.B. CP191B 3.1 RED BLK WHT D MAIN P.C.B. W655-1 W651-2 RED BLK WHT BLU W651-1 W655-2 WHT/RED WHT/BLK 2 1 WHT/BLK WHT/GRY 1 2 BRN ORG BLK RED 1 . . 4 ORG BLK RED 1 . 3 3.1 T1 (Power transformer) LEVEL CONTROL (R) (L) NORMAL ORG TERMINAL P.C.B. GRY A INPUT 1 . 3 DIRECT W401 1 . 3 (SOLDER SIDE) 1 . 3 CP703 1.3 CP303 CP191A 1.3 1. . . 5 I K CURRENT DRIVE AMP(L) P.C.B. VOLTAGE CONTROL AMP(L) P.C.B. R CN303 3 . 1 POWER SW P.C.B. CP701 12 CP655 CP1 3 . 1 3.1 CP653 1. . . .6 CP301 W601 W202 1 . . . . . . . . 10 1. . . .6 W403 1 . . . . . . . . . 11 PHONES 1. . . .6 1. . . . . . 8 CN301 W351-2 CP201 RED BLK W201 RED BLK 1 . . . . . . . . . 11 1. . . .6 POWER WHT/BLK WHT/ORG W351-1 1. . . .6 1 . . . . . . . . 10 G LED P.C.B. 1. . 4 1. . 4 W604 W604 H SPEAKER SELECT LOGIC P.C.B. CP501 CP502 CP551 4. .1 21 CP603 5. . .1 10 . . . . . . . . 1 21 CP601 1 . . 4 1. . . 5 CP602 POWER METER (R ch) W505 (L ch) W551 5. . . 1 RED BLK 1 2 RED BLK 1 2 BLK RED 4 . . 1 E LIGHT SW P.C.B. CN602 F SPEAKER SW P.C.B. 1. . . 5 1 2 PROT Lch OUT GND Rch OUT AC RELAY(B) RELAY(A) RELAY CONT B(1) +B(1) GND To D MAIN CIRCUIT (W403) on page 19 N RELAY CIRCUIT (P.C.Board:on page 30) 1 2 3 4 5 6 7 8 9 10 11 W603 CP403 :POSITIVE VOLTAGE LINE 1 2 3 4 5 6 TERMINAL O SPEAKER (L) CIRCUIT A B C (P.C.Board:on page 23) CP651 JK651 W651 2 1 3 2 4 W651 1 6 D651 MA165TA D753 D754 2 4 5 6 R751 1/4W2.2 R651 4.7K (P.C.Board:on page 28) CP652 13.3V SPEAKERS (R) CIRCUIT D652 MA165TA JK652 14.1V 2 1 W652 1 14.1V Q651 2SC2458ABCTA W652 2 POWER SUPPLY 14.1V R752 1/4W2.2 C654 0.022 D751 754 1SR35200TB P SPEAKER TERMINAL L652 C656 180P A A Rch L654 C658 180P B B C652 0.022 D752 B W655 2 3 R661 1/4W220 D751 Lch L653 RL652 1 C751 25V470 1 2 3 A W655 1 A C L651 C655 180P 1 2 5 CP402 A B C 3 C651 0.022 C362 0.22 CP401 1 2 3 A B C R394 1/4W10 R392 1W10 1 4 C364 0.22 2 B R390 1W10 A R388 1W10 R386 1W10 CP352 2 RL651 L354 1 B 2 C653 0.022 CP351 3 D653 MA165TA R656 R658 1W180 1W150 1 1 C657 180P R453 27K R387 1W10 C361 0.22 R385 1W10 R393 1/4W10 W653 RL653 R655 R657 1W180 1W150 C363 0.22 2 R389 1W10 A A L353 CP406 1 2 3 4 :SOURCE SIGNAL LINE R659 1/4W120 1 2 3 4 A B C D :NEGATIVE VOLTAGE LINE B CP405 A B C D R660 1/4W120 A B A B C R391 1W10 LAMP(1) GND(1) GND(2) LAMP(2) C752 25V470 B W656 1 A B W656 2 T1 (Lch) C B A C B A AC 51.3V C B A CIRCUIT Q FUSE (P.C.Board:on page 30) SW CIRCUIT R POWER (P.C.Board:on page 30) 1 2 3 AC 11.1V CP653 R JK653 AC 37.6V CP3 L F2 T2A 1 2 3 AC 37.6V C660 1000P D C659 1000P To H SPEAKER SELECT LOGIC CIRCUIT (CP603) on page 19 S1 (POWER) W1 1 T2 (Rch) D C B A C B A CP1 W1 2 AC 51.3V AC 11.1V AC 37.6V AC 37.6V C1 1000P 1 2 3 L1 CP2 3 2 1 CP4 1 2 3 F1 T2A AC IN 230V/50Hz (E,EG) 230-240V/50Hz (EB) G HEADPHONES K CURRENT DRIVE AMP (L) CIRCUIT CIRCUIT M CAPACITOR (P.C.Board:on page 23) Q353 2SC3944AQRS PRE DRIVE 51.2V 1.3V R357 1/4W680 0.7V PRE DRIVE 5 4 3 2 1 0V 51.5V B A C D DRIVER 51.3V E E 5 B (+) 3 6 6 C ( ) 4 7 7 8 8 D 0.7V R366 1/4W2.2 B C356 680P 51.2V 1.3V R358 1/4W680 A B C318 100V1 CP304 CN304 5 4 3 2 1 5 4 3 2 1 R384 5W0.22 D B R362 1/4W2.2 A C D E C719 50V1 C W702 3 0.7V 0V Q360 51.5V 0.7V 51.5V Q364 0V CP656 R378 5W0.22 R380 5W0.22 1 A 2 B W352 2 A W352 1 B 0V Q402 2SB1036RSTTA OVER LOAD DET. 0V E702 10.8V R406 15K W402 1 51.5V A 2 B 3 C 1 A D702 Q356 Q360,364 2SA1535AQRS 2SA1941R PRE DRIVE DRIVER B A C D 51.3V R702 1/4W6.8 R704 1/4W6.8 W702 2 C706 100V100 5 CURRENT DRIVE (ICQ ADJ.) W702 1 CP702 R382 5W0.22 R402 R404 1/4W4.7K 1/4W270 2 Q352 2SC1815BGL C704 71V33000 D402 MA185TA ( ) B 3 3 2 1 C A L352 A A 2 Q358 C358 0.047 4 1 CP703 D707 C702 71V33000 0V C360 0.047 4 DRIVER R376 1W10 1 (+) 1.3V C Q358,362 2SC5198R R372 5W0.22 3 0.7V 0V R374 5W0.22 3 TP302 51.3V R368 5W0.22 2 0.4V R360 1/4W2.2 51.3V R370 5W0.22 2 Q362 0.4V 1V B 3 CIRCUIT M CAPACITOR (P.C.Board:on page 23) R364 1/4W2.2 R398 1/4W330 1 C354 680P A 2 (P.C.Board:on page 29) 51.3V 1V 0.4V R354 1/4W3.3K R352 1/4W10K TH352 100K C352 0.1 R326 1/4W1K VR302 500(B) R356 1/4W680 1 D705 D701,703,705,707 EGP30DL6414 PRE DRIVE CN302 D703 51.5V R703 1/4W6.8 Q354 2SC3944AQRS CP302 W401 1 R701 1/4W6.8 L CURRENT DRIVE AMP (R) CIRCUIT R316 1/4W3.3K R405 15K D701 Q359,363 2SA1941R C D C AMP (Rch) ICQ ADJ. E701 Q363 CN303 5 4 3 2 1 C317 100V1 0.7V 51.5V Q355 2SA1535AQRS CP303 51.5V 10.8V C717 0.1 C355 680P A B Q359 0.7V R365 1/4W2.2 B OVER LOAD DET. E 51.5V D702,704,706,708 EGP30DL6414 C718 0.1 A 0V B 0V C713 0.1 R353 1/4W3.3K R351 1/4W10K R361 1/4W2.2 C716 0.01 TP301 A C A C720 50V1 D 1 D704 D706 CP704 D708 C714 0.1 2 1 C715 0.01 2 B Q401 2SB1036RSTTA C708 100V100 1 0V C705 100V100 C A 2 W351 2 C707 100V100 3 (+) R383 5W0.22 1 W351 1 R401 R403 1/4W4.7K 1/4W270 3 R369 5W0.22 2 R379 5W0.22 CP655 R381 5W0.22 D401 MA185TA B W701 3 CP701 R377 5W0.22 L351 4 ( ) W701 2 3 2 1 C357 0.047 4 CURRENT DRIVE (ICQ ADJ.) W701 1 0V R375 1W10 A DRIVER R371 5W0.22 5 (+) 3 1.3V 0V C703 71V33000 Q357 R373 5W0.22 5 ( ) 4 51.3V R367 5W0.22 R315 1/4W 3.3K 6 0.4V C701 71V33000 Q357,361 2SC5198R B D Q351 2SC1815BGL 6 51.3V 0.4V 1V 7 Q361 R359 1/4W2.2 8 0.7V 7 0.4V C353 680P R363 1/4W2.2 R397 1/4W330 CN301 8 TH351 100K C351 0.1 VR301 500(B) R325 1/4W1K CP301 51.3V 1V C359 0.047 R355 1/4W680 C AMP (Lch) ICQ ADJ. :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :SOURCE SIGNAL LINE (P.C.Board:on page 29) 2 B 3 C MOS CLASS AA AMP 51.3V R317 1/4W 560 C305 6.3V100 R303 1/4W120 C303 6.3V100 A B R321 100K 10.2V 9.5V Q303 2SA1123RSTTA FLOATING POWER SUPPLY 51.3V Q307 2SC2631RSTTA R309 1/4W10 50.3V 51.1V FLOATING POWER SUPPLY Q265 2SJ3130Y CLASS AA AMP MOS CLASS AA AMP A B To D MAIN CIRCUIT (W201) on page 18 C J VOLTAGE CONTROL AMP (R) CIRCUIT Q254 2SD1761EF Q256 2SC2458ABCTA VOLTAGE CONTROL AMP (ICQ ADJ.) LIMITER Q264 2SK20130Y CLASS AA AMP MOS CLASS AA AMP NFB OUT(+) OUT( ) +B(3) GND B(3) R278 1.9V D 1/4W270 51.3V 1.9V Q266 R318 1/4W 560 R322 100K R314 1/4W 3.3K 1 0V 0V 9.5V Q304 2SA1123RSTTA FLOATING POWER SUPPLY C304 6.3V100 A B FLOATING POWER SUPPLY Q262 2SA1123RSTTA Q266 2SJ3130Y LIMITER CLASS AA AMP MOS CLASS AA AMP A B C C314 16V33 10.2V 51.3V Q308 2SC2631RSTTA 51.3V Q258 2SA1048ABCTA C316 16V33 2 D302 MA4100MTA 3 9.3V 8 R310 R312 C306 6.3V100 R308 0V S R304 1/4W120 R302 1/4W1.8K 1.1V 7 D304 MA4100MTA 1/4W10 4 0V 6 9.5V 0V 6 5 4 3 2 1 To D MAIN CIRCUIT (W202) on page 18 1/4W120 C322 680P 1/4W10 3 5 C310 16V10 0V R306 1/4W1.8K R328 C302 1.8K 2700P G 51.3V 1 2 ( ) R330 1/4W 100 50.3V 51.1V R320 1/4W560 C254 68P B 2.5V (+) 49.9V 10V 9.3V DIFFERENTIAL AMP C308 (CASCADE / CURRENT MIRROR) 220P TP252 R324 1/4W1 D268 MA165TA 0.4V FLOATING 51.2V POWER SUPPLY IC302 M5219P 0V D260 MA4100MTA R268 1/4W100 R264 27K D256 MA165TA 2.3V S 50.5V Q302 2SC2631RSTTA 51.2V G R266 1/4W100 Q258 C FLOATING POWER SUPPLY D264 MA185TA C260 50V1 C258 50V1 R258 1/4W270 R270 1/4W1.8K C256 0.1 0.1V 0V D D266 MA165TA D258 MA4100MTA R256 1/4W150 Q256 1.9V Q264 R276 1/4W270 1.4V R272 1/4W2.2 1.4V 51.2V R274 1/4W2.2 2.2V 2.5V 0V A Q306 2SA1123RSTTA D262 MA185TA Q260 R262 27K 2.2V VR252 1K(B) V AMP (Rch) ICQ ADJ. (P.C.Board:on page 28) Q260 2SC2631RSTTA C252 68P 2V 51.3V 51.2V D254 MA165TA R254 1/4W4.7K Q254 CP202 51.2V C319 100V1 Q261 2SA1123RSTTA LIMITER C313 16V33 C307 220P C312 16V10 NFB OUT(+) OUT( ) +B(2) GND B(2) Q257 2SA1048ABCTA C315 16V33 D301 MA4100MTA 1.1V D303 MA4100MTA 1 0V 51.3V 6 5 4 3 2 1 TH252 250 2 9.5V 0V R319 1/4W560 C253 68P C S 4 R311 R305 1/4W10 1/4W1.8K 2.5V R301 1/4W1.8K R277 1.9V D 1/4W270 51.3V 1.9V Q265 3 9.3V 8 R329 R327 C301 1.8K 2700P R323 1/4W1 G B CP201 0V 0V 7 C321 680P D263 MA185TA R263 27K D255 MA165TA A D267 MA165TA 0V 6 C309 16V10 5 3 C311 16V10 0V 2 ( ) D259 MA4100MTA 0.4V 9.3V 1 Q257 2.3V 49.9V 10V R313 1/4W 3.3K D265 MA165TA (+) FLOATING POWER SUPPLY DIFFERENTIAL AMP (CASCADE / CURRENT MIRROR) TP251 R271 1/4W2.2 R267 1/4W100 51.2V Q301 2SC2631RSTTA IC301 M5219P 0V R273 1/4W2.2 R261 27K C257 50V1 R265 1/4W100 C259 50V1 R269 1/4W1.8K C255 0.1 R257 1/4W270 0V S 0.1V 0V 50.5V 51.2V G D257 MA4100MTA R255 1/4W150 Q255 1.9V D R275 1/4W270 1.4V 2.5V VR251 1K(B) V AMP (Lch) ICQ ADJ. 2.2V 1.4V 1/4W00 51.2V R307 1/4W120 2.2V D261 MA185TA C251 68P 2V D253 MA165TA Q253 FLOATING POWER SUPPLY 51.2V Q263 R253 1/4W4.7K TH251 250 CLASS AA AMP Q305 2SA1123RSTTA D305 MA29WATA LIMITER Q263 2SK20130Y D307 MA29WATA VOLTAGE CONTROL AMP (ICQ ADJ.) Q259 2SC2631RSTTA D306 MA29WATA Q255 2SC2458ABCTA D308 MA29WATA Q253 2SD1761EF :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :SOURCE SIGNAL LINE (P.C.Board:on page 25) 51.2V 51.3V C320 100V1 I VOLTAGE CONTROL AMP (L) CIRCUIT :POSITIVE VOLTAGE LINE H SPEAKER SELECT LOGIC CIRCUIT (P.C.Board:on page 24) :NEGATIVE VOLTAGE LINE D627 629 MA4051MTA R602 47K C601 0.01 R601 47K C602 0.01 W505 4 3 2 1 R606 4.7K D601 R612 R613 220 330 Q601 14.4V 13.5V R616 220 14.3V 1 12 0V 13 14 14.2V 14.2V D606 SPEAKER SELECTOR D618 620 LN846RP C S602 (A) D609 A F C D615 D601 616 MA165TA Q601,602 2SA1048ABCTA RELAY DRIVE Q603,604 2SC2458ABCTA LED DRIVE E D 14.4V D626 MA165TA D641 D617 MA165TA CP501 4 3 2 1 1 2 E F W604 4 3 2 1 D622 LN846RP C (CURRENT DRIVE) D623 MA4036MTA R624 150 (POWER METER) (Lch) (Rch) D640 D640,641 MA185TA W604 R622 R623 R621 330 470 470 CP502 1 2 CP601 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 W601 C504 50V0.47 R504 1/4W270 R502 1/2W4.7K R506 1.5M C505 50V4.7 D505 MA4100MTA 9.9V R521 100K R529 12K D507 MA165TA 0V 2 0.5V 1 5 6 0V IC502 M5218AP BUFFER AMP (METER) 7 0V D504 MA165TA 8 0.5V 9.9V R524 150K R526 22K R525 22K R527 1K R520 22K TH502 R532 100K 10K 10.2V 0V 3 R523 150K R528 1K C510 50V0.33 D503 MA165TA D508 MA165TA SWITCHING 0V R508 6.8K VR502 1K(B) R510 470 R519 10K C509 0.01 R517 3.3K 14.4V 14.4V Q503 2SA1048ABCTA 9 0V R509 470 VR501 POWER METER 1K(B) (Rch) ADJ. W403 C508 16V3300 PROT Lch IN GND Rch IN AC RELAY(B) RELAY(A) RELAY CONT B(1) B(1) GND To N RELAY CIRCUIT (CP403) on page 22 R507 6.8K 4 R530 12K R512 1/4W470 POWER METER (Lch) ADJ. TH501 R531 100K 10K 14.4V R518 10K R501 1/2W4.7K B A B C D502 MA4082MTA 8 0.5V A 14.1V R516 680 C501 50V3.3 1.9V 0.9V RELAY DRIVE D501 MA165TA 7 1.9V C502 50V3.3 D451 MA185TA R457 1/4W560 B 1 2 3 4 5 6 7 8 9 10 11 6 11.2V Q451 2SA992EFPTA A 5 1.9V D506 MA4100MTA D452 MA4110MTA R455 10K 9 10.4V 4 0.5V R503 1/4W270 8 14.2V C503 50V0.47 7 3 0V C506 50V4.7 6 4.5V C453 16V47 C452 0.022 C451 10V330 R452 47K 5 0V 2 3.2V R515 56K 4 0V 1 D453 MA165TA 3 C455 50V4.7 2 0V OVERROAD DIRECTOR R456 15K 1 OUTPUT SHINK C454 50V4.7 AC DET BIAS R505 1.5M C B A MUTING R513 100K METER DRIVE AMP MUTING / PROTECTION DC DET 9.9V IC501 BA6138 R511 1/4W470 IC451 AN7073 R454 15K B D614 LED CIRCUIT G (P.C.Board:on page 25) R451 56K R610 10K R611 47K D612 A B C D (SPEAKERS) D621 LN446YP C (VOLTAGE CONTROL) D611 C610 35V10 D613 1 2 3 4 5 9.7V 0.1V D608 C603 0.01 CP602 1 2 3 4 5 S601 (OFF) R603 47K CN602 Q604 D607 D610 S603 (B) R609 22K D604 D616 S604 (A+B) R604 47K C604 0.01 (P.C.Board:on page 26) 0V 0.6V MA165TA 10 11 14.2V 0V 0V D620 (B) R620 330 D628 MA165TA 9 0V D603 R605 22K 8 IC601 TC4001BPN Q602 Q603 R619 220 13.9V D624 CP551 SPEAKER SW CIRCUIT 14.4V D625 6 0.1V R608 22K 7 14.2V 0.1V 14.2V 0V 5 4 3 2 5 4 3 2 1 F R607 4.7K 13.9V D602 0V D605 To N RELAY CIRCUIT (W603) on page 22 D619 (A) R617 330 D627 CP603 4 3 2 1 LAMP(2) GND(2) GND(1) LAMP(1) D618 (A+B) D629 TERMINAL CIRCUIT A INPUT (P.C.Board:on page 23) C LAMP (B) CIRCUIT :POSITIVE VOLTAGE LINE (P.C.Board:on page 24) :NEGATIVE VOLTAGE LINE :SOURCE SIGNAL LINE L191 CP191A Rch C193 82P C194 82P Rch 2.2K B PL512 PL514 PL516 LAMP (A) CIRCUIT (P.C.Board:on page 24) R196 L193 Lch NORMAL PL510 W505 3 SW CIRCUIT E LIGHT (P.C.Board:on page 25) VR191 20K(A) (LEVEL CONTROL L) JK101 PL502 W505 4 L192 INPUT PL504 PL507 PL505 PL503 PL501 PL509 PL511 PL513 PL515 4 3 W505 2 R193 560 OFF R194 560 2 1 ON S551 (METER LIGHT) W505 1 VR192 20K(A) (LEVEL CONTROL R) L194 W551 C551 0.01 R192 560 1 2 3 PL506 R195 2.2K C191 82P DIRECT R191 560 C192 82P Lch PL508 C552 0.01 JK101 D MAIN CIRCUIT (P.C.Board:on pages 26,27) E101 3 2 1 CP191B 50.2V R213 51V 1/4W100 38.6V Q209 Q207 38.6V 3 4 49.7V 5 50.2V 6 7 8 9 50.3V R215 47K IC201 AN7062N 12 11 C221 0.1 2.2V R211 1/4W 100 R225 33K R223 1/4W3.3K C209 220P C205 25V220 C231 0.01 D Q201 204 2SA1123RSTTA Q205 208 2SC2631RSTTA Q209,210 2SA1123RSTTA PRE DRIVE PRE DRIVE PRE DRIVE Q204 C224 1000P 50.2V R214 51V 1/4W100 38.6V Q210 Q208 5 6 7 8 9 Q206 50.3V R216 47K IC202 AN7062N 50.3V VOLTAGE AMP 17 16 15 14 13 10.9V 0.3V 0.3V 51.2V 49.7V 12 11 C222 0.1 R212 1/4W 100 R226 33K R224 1/4W3.3K A B C D E 2.2V 51V C232 0.01 W202 W201 1 2 3 4 5 6 51.2V C210 220P C208 27P R206 1.2K C206 25V220 C204 220P R204 18K C216 82P 51.1V 13.2V 50.2V C202 R202 25V22 470 2.5V 51.1V 10 50.2V Q202 R208 18K 50.3V C228 27P 18 R104 330K 50.3V 51.2V 51.2V 4 50.2V 1 2 3 4 5 6 B(2) GND B(2) OUT( ) OUT( ) NFB 3 49.7V R220 1/4W100 2 51.2V 0.3V 51.3V 38.6V 0.3V C226 100V1 C218 100V1 R230 33K 51.3V 51.2V D208 MA4160MTA R218 1/2W8.2K C214 330P 1 B E B(3) GND B(3) OUT( ) OUT( ) NFB C203 220P 51V 51.2V R228 1/4W3.3K R210 560 C207 27P R205 1.2K C215 82P R203 18K R103 330K C201 R201 25V22 470 A 13.2V Q201 R207 18K 51.1V 10 50.2V C 51.1V 50.3V 50.3V C227 27P 17 16 15 14 13 10.9V 0.3V 0.3V 51.2V 49.7V 50.2V C220 100V1 Q205 VOLTAGE AMP 18 2.5V 50.3V 51.2V C229 R221 27P 1/4W100 2 51.2V C230 R222 27P 1/4W100 1 0.3V R219 1/4W100 0.3V D207 MA4160MTA Q203 C223 1000P C225 100V1 R227 1/4W3.3K C217 100V1 C213 330P R229 33K R209 560 C219 100V1 R217 1/2W8.2K 51.3V 51.2V To J VOLTAGE CONTROL AMP(R) CIRCUIT (CP202) on page 20 To I VOLTAGE CONTROL AMP(L) CIRCUIT (CP201) on page 20 A N C B D E F RELAY P.C.B. 1 ELECTRICAL PARTS LOCATION Ref. No. CP406 W603 CP405 CP403 W653 4 3 2 1 4 3 2 1 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 3 2 1 Q651 D651 D652 D653 D751 D752 D753 D754 L353 L354 RL651 RL652 RL653 CP351 CP352 CP401 CP402 CP403 CP405 CP406 CP651 CP652 W603 W653 R385 R386 D653 RL653 6 Q651 B C E 5 J 2 4 J CP401 1 2 3 3 1 J J R661 C752 C751 R651 D751 R752 2 D754 CP402 1 2 3 D753 D752 R453 R751 J CP352 J 1 2 R385 R387 C361 C363 1 2 5 2 1 R393 D651 R655 1 R656 2 6 53 5 L3 6 D652 RL651 R394 54 RL652 R389 R391 R659 R660 R658 R657 R392 R390 C364 C362 R388 R386 CP351 L3 3 CP652 1 CP651 1 4 3 4 3 L1 F1 F2 CP2 CP3 CP4 2 J Lo. No. R387 R388 R389 R390 R391 R392 R393 R394 R453 R651 R655 R656 R657 R658 R659 R660 R661 R751 R752 C361 C362 C363 C364 C751 C752 3D 3B 3D 3B 3C 3B 3D 3B 2C 2C 3C 3C 3C 3C 3C 3C 2C 2B 2B 3D 3B 3D 3B 2B 2C W1-1 W1-2 FC1 FC2 FC3 FC4 7B 7B 7B 7C 7B 7C C1 C659 C660 7E 7F 7F 2C 3C 3C 2C 2B 2A 2B 2A 3D 3A 3C 3B 2C 3E 3A 2E 2A 1C 1C 1B 4E 4A 1B 1D 3D 3B 6B 7B 7C 6B 5C 5B R POWER SW P.C.B. (REP1615D-M) Q Ref. No. Q FUSE P.C.B. 2 4 Lo. No. N RELAY P.C.B. S1 CP1 CP653 JK653 FUSE P.C.B. 7E 7E 7F 6F 5 CP4 3 2 CP3 1 3 CP2 3 2 2 1 R POWER SW P.C.B. 1 PHONES L1 6 1 C659 C660 2 CP653 C1 FC3 W1-2 CP1 FC4 W1-1 7 L JK653 F2 T2A F1 T2A FC2 FC1 G R S1 (POWER) 3 2 1 3 (REP1616D-S) 8 (REP2720A-P) A K D E F J J J R353 C351 J E C B Q351 C B Q363 R365 R367 R371 R375 2 C359 J Q355 E C B E J J C B Q359 R373 J J E R361 C B Q357 R369 E C B Q361 R397 E R363 CURRENT DRIVE AMP(L) P.C.B. R359 E C B Q353 C357 R701 CN303 1 2 3 4 5 J CN301 J W401 R351 TH351 1 2 3 4 5 6 7 8 J 1 R377 2 2 3 D701 3 CP655 C705 C707 W351-2 1 D703 C713 W351-1 R383 3 D707 1 R401 Q401 B C E R381 CP703 J CP701 R379 R703 C715 E701 L3 51 J D705 R357 C717 C353 1 2 3 R355 C355 1 C B D401 R403 2 R405 C719 (REP1615D-M) CURRENT DRIVE AMP(R) P.C.B. E C B Q364 R366 R362 C B Q360 J Q356 E C B J R376 R374 C360 J TH352 5 R398 J E C358 Q354 E C B J C352 R352 C B Q358 R370 R372 R354 E C B Q362 R360 E R368 E C B Q352 R364 L J 4 J CN302 R704 J CN304 1 2 3 4 5 1 2 3 4 5 6 7 8 W402 J J 2 52 C718 3 2 1 C716 CP704 1 D704 R384 R382 R380 3 R378 6 D702 CP702 L3 Q402 B C E R358 C356 J R702 R402 R356 C354 R404 1 E702 2 D706 W352-2 W352-1 3 CP656 C706 1 D402 C708 D708 C714 2 C720 R406 (REP1615D-M) 7 ELECTRICAL PARTS LOCATION Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. K CURRENT DRIVE AMP(L) P.C.B. 1F Q351 3F Q401 2D Q353 3F D401 2D Q355 3B D701 1C Q357 3B D703 1D Q359 3B D705 1B Q361 3B D707 1E Q363 2F TH351 L CURRENT DRIVE AMP(R) P.C.B. 8 Q352 Q354 Q356 Q358 Q360 Q362 Q364 4B 5C 5C 4C 4D 4B 4E Q402 D402 D702 D704 D706 D708 TH352 6A 6A 6E 6E 6E 6E 5B L351 CN301 CN303 CP655 CP701 CP703 W351-1 3D 2E 2B 3D 3C 3B 3E W351-2 W401 E701 R351 R353 R355 R357 3E 3A 3A 2F 2F 3E 3E R359 R361 R363 R365 R367 R369 R371 1C 1E 1C 2E 2C 2D 2B R373 R375 R377 R379 R381 R383 R397 2E 2B 3E 3E 3E 3F 1D R401 R403 R405 R701 R703 C351 C353 3F 3F 3B 2C 3B 2E 3D C355 C357 C359 C705 C707 C713 C715 3E 2B 2B 3C 3D 3B 3A C717 C719 3B 3A L352 CN302 CN304 CP656 CP702 CP704 W352-1 6C 5B 5E 6C 6D 6F 6C W352-2 W402 E702 R352 R354 R356 R358 6B 6F 6F 5B 5B 6B 6C R360 R362 R364 R366 R368 R370 R372 4C 5D 5B 4E 5C 5D 5B R374 R376 R378 R380 R382 R384 R398 5E 5E 6A 6B 6B 6B 4C R402 R404 R406 R702 R704 C352 C354 6A 6A 7E 6E 5D 5A 6B C356 C358 C360 C706 C708 C714 C716 6C 5E 5E 6C 6D 6F 6F C718 C720 6F 7F A J C B D E F VOLTAGE CONTROL AMP(R) P.C.B. 1 TP302 R272 R254 C260 R276 D266 C318 C258 3 C310 R330 C256 1 2 3 4 J R314 IC302 8 7 6 5 J C252 R262 C312 Q302 B C E Q304 B C E D302 D304 C314 C316 R304 B C E Q308 C304 R328 Q256 B C E C306 D254 R312 CP202 1 2 3 4 5 6 J Q306 B C E C308 R318 R320 C302 R322 C322 J J R302 D306 D308 R326 R308 R306 R310 CP302 R324 8 7 6 5 4 3 2 1 J J CP304 5 4 3 2 1 4 R316 B C E Q258 R266 C320 J Q262 B C E D256 Q260 B C E D258 J J Q264 G D S R264 R268 D260 Q254 B C E R256 2 D264 J R274 1 2 3 4 C254 D268 D262 VR252 R258 TH252 R278 VR302 R270 Q266 G D S 1 2 3 J TP252 (REP1615D-M) ELECTRICAL PARTS LOCATION Ref. No. Lo. No. Ref. No. Lo. No. J VOLTAGE CONTROL AMP(R) P.C.B. 5 P SPEAKER TERMINAL(R) P.C.B. SPEAKERS (Rch) (B) (A) 6 C656 C652 W656-2 W656-1 W652-1 52 W652-2 L6 L6 54 C654 C658 JK652 7 (REP1615D-M) 8 IC302 Q254 Q256 Q258 Q260 Q262 Q264 Q266 Q302 Q304 Q306 Q308 D254 D256 D258 D260 D262 D264 D266 D268 D302 D304 D306 D308 VR252 VR302 TH252 CP202 CP302 CP304 TP252 TP302 R254 R256 R258 R262 R264 R266 2D 2C 3C 2D 2C 2D 2C 2C 2E 2E 3E 3E 3C 2D 2C 2C 3C 2C 3C 2C 2E 2E 3E 3E 2B 1E 2B 2E 4E 4B 1B 1F 2B 2B 2B 3C 2C 3C R268 R270 R272 R274 R276 R278 R302 R304 R306 R308 R310 R312 R314 R316 R318 R320 R322 R324 R326 R328 R330 C252 C254 C256 C258 C260 C302 C304 C306 C308 C310 C312 C314 C316 C318 C320 C322 2C 2D 2B 2B 2C 1C 3D 3D 3D 3D 4D 3D 2D 2D 3E 3E 3E 4D 3F 3D 2D 3C 1D 2C 3C 2C 3D 3D 3D 3D 2E 2E 2E 2E 3B 3B 3D P SPEAKER TERMINAL(R) P.C.B. L652 L654 W652-1 W652-2 W656-1 W656-2 7D 7B 7C 7B 7C 7B JK652 C652 C654 C656 C658 6C 7C 6B 6D 6B G I H J K L CP191B 1 J R103 C201 R201 R104 C202 R202 C210 C206 C208 R208 R228 R230 R224 J C224 R204 C204 R210 C214 J R206 C216 C228 J J J 10 11 12 13 14 15 16 17 18 IC202 J J D208 Q202 B C E C226 R218 C222 C220 Q204 B C E R226 R212 C218 R214 J 2 3 R216 R220 C230 R222 C232 Q210 B C E Q208 Q206 B B C C E E J C209 C205 C207 R207 R227 R229 R223 R225 J IC201 J J 10 11 12 13 14 15 16 17 18 VR501 J J J VR502 C223 R205 C215 R209 C213 R203 C203 E101 Q201 B C E C225 D207 C227 R211 C217 C219 Q203 B C E R217 C221 R215 R219 R221 C229 C231 Q209 B C E Q207 Q205 B B C C E E R213 J 9 8 7 6 5 4 3 2 1 R510 9 8 7 6 5 4 3 2 1 R509 ELECTRICAL PARTS LOCATION Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. 3B 3B 3B 2B 3C 3C 3B 2B 4J 4J 2B 2C 2L 4A 1A 3A 2A 4L 2K 2J 2J 2I R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 R223 R224 4H 2H 4H 2H 4H 2H 4G 2G 4F 2F 4F 2F 4E 3E 4F 3F 4E 3E 4E 3E 4G 2G R225 R226 R227 R228 R229 R230 R451 R452 R454 R455 R456 R457 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 4F 2F 4G 2H 4G 2G 3D 3D 4D 4D 4C 3D 3D 3D 3D 3C 3D 3C 2C 2C 4J 4J R511 R512 R513 R515 R516 R517 R518 R519 R520 R521 R523 R524 R525 R526 R527 R528 R529 R530 R531 R532 C201 C202 3C 3C 2C 2C 3A 3B 3B 3B 3B 3B 3B 2C 2C 2C 3C 3C 3B 2B 2C 2C 2J 2I C203 C204 C205 C206 C207 C208 C209 C210 C213 C214 C215 C216 C217 C218 C219 C220 C221 C222 C223 C224 C225 C226 4H 2H 4H 2H 4H 2H 4H 2H 4G 2H 4H 2H 4E 2E 4E 2E 4F 3F 4H 2H 4F 3F C227 C228 C229 C230 C231 C232 C451 C452 C453 C454 C455 C501 C502 C503 C504 C505 C506 C508 C509 C510 7D S603 7C S604 7B CN602 7B Lo. No. D MAIN P.C.B. IC201 IC202 IC451 IC501 IC502 Q201 Q202 Q203 Q204 Q205 Q206 Q207 Q208 Q209 Q210 Q451 Q503 D207 D208 D451 D452 D453 4G 2G 4D 2D 2B 4F 2F 4F 2F 4E 2E 4E 2E 4E 2E 4C 3B 4F 3F 3C 4C 4C D501 D502 D503 D504 D505 D506 D507 D508 VR501 VR502 TH501 TH502 CP191B W201 W202 W403 W601 E101 R103 R104 R201 R202 F SEAKER SW P.C.B. S601 7D S602 4F 2F 4E 3E 4E 2E 4D 4D 4D 4D 3C 3D 3D 3D 3D 3C 3C 4B 3B 3B A 1 D C B D E F MAIN P.C.B. W202 6 5 (REP1616D-S) SPEAKER SW P.C.B. S603 (B) S602 (A) J 7 S604 (A+B) (SPEAKERS) (REP1616D-S) 8 S601 (OFF) C208 R206 C216 R204 R208 R228 R210 C214 R230 R224 C228 C226 J J D208 R226 R212 R214 C218 C220 IC202 R203 R205 C215 C207 R207 R227 R229 R225 R223 R209 C213 Q201 B C E C225 J 10 11 12 13 14 15 16 17 18 J D207 C227 R211 R213 C217 C219 Q203 B C E R217 C221 R215 R219 C231 C229 R454 C451 R455 C452 C453 D452 5 4 3 2 1 R221 C455 D451 D453 C454 Q451 B C E R456 C508 9 8 7 6 5 4 3 2 1 J 1 2 3 4 5 R218 C222 C230 R505 C503 Q209 B C E Q207 Q205 B B C C E E IC451 J J 6 CN602 10 11 12 13 14 15 16 17 18 R512 J F Q202 B C E 9 8 7 6 5 4 3 2 1 W201 6 Q204 B C E R503 C501 R501 R451 R452 C502 R502 R457 D506 R504 C505 R506 C504 R527 R528 J D501 R519 R517 R518 D502 R529 D507 J R511 C509 C510 R520 R521 R516 J Q503 B C E D503 R523 C506 D505 R525 R526 R524 J IC502 4 3 2 1 R216 9 8 7 6 5 4 3 2 1 R220 C232 IC501 R515 R513 R508 R507 Q210 B C E Q208 Q206 B B C C E E 5 6 7 8 J 4 W403 11 10 9 8 7 6 5 4 3 2 1 TH502 D504 W601 10 9 8 7 6 5 4 3 2 1 TH501 R530 D508 R532 2 3 J R531 R222 5 4 3 2 1 IC201 9 8 7 6 5 4 3 2 1 A D E E LED P.C.B. W604 1 2 3 4 F LIGHT SW P.C.B. D621 (VOLTAGE CONTROL) C551 W551 4 3 2 1 (AMPLIFIER OPERATION MOTOR) OFF 2 ON C552 G D622 (CURRENT DRIVE) 1 C B S551 (METER LIGHT) (REP1616D-S) (REP2720A-P) I VOLTAGE CONTROL AMP(L) P.C.B. 3 R323 J CP301 R309 1 2 3 4 5 6 7 8 J CP303 1 2 3 4 5 R305 Q261 B C E J C253 R277 D267 R267 J R321 R301 C321 R311 R327 C305 D305 D307 R317 R319 Q305 B C E Q307 B C E C313 C315 D301 J R325 C301 C259 C303 J R303 J Q257 B C E D255 C255 TH251 R273 Q263 G D S R257 D265 R271 VR251 3 2 1 Q259 B C E J C251 D303 1 2 3 4 IC301 B C E Q301 R313 8 7 6 5 C309 R329 J B C E Q303 C311 D253 B C E Q255 CP201 6 5 4 3 2 1 J D257 R255 R315 R261 C257 J R253 R269 R275 J J Q253 B C E C307 J Q265 G D S J D261 C317 5 R307 R263 D263 C319 J 4 D259 J R265 VR301 TP251 4 3 2 1 TP301 6 (REP1615D-M) ELECTRICAL PARTS LOCATION Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. D622 1B W604 1A W551 2F C551 2E C552 2E D305 D307 VR251 VR301 TH251 CP201 CP301 CP303 TP251 TP301 R253 4E 4E 5B 6E 5B 5F 3E 3B 5B 6F 5B R255 R257 R261 R263 R265 R267 R269 R271 R273 R275 R277 5B 5B 5C 4C 5C 4C 5C 5B 5B 5C 4C Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. R301 R303 R305 R307 R309 R311 R313 R315 R317 R319 R321 4D 4D 3D 4D 3D 4D 5D 5D 4E 4E 4E R323 R325 R327 R329 C251 C253 C255 C257 C259 C301 C303 3D 4F 4D 5D 5C 4C 5C 5D 4C 4D 4D C305 C307 C309 C311 C313 C315 C317 C319 C321 4D 4D 5E 5E 4E 4E 4B 4B 4D G LED P.C.B. 7 D621 1C E LIGHT SW P.C.B. S551 2E I VOLTAGE CONTROL AMP(L) P.C.B. 8 IC301 Q253 Q255 Q257 Q259 Q261 Q263 Q265 Q301 Q303 Q305 5D 5C 5D 4C 5C 4C 5C 5C 5E 5E 4E Q307 D253 D255 D257 D259 D261 D263 D265 D267 D301 D303 4E 5D 5C 5C 4C 5C 4C 5C 4C 5E 5E A H 1 C B D E F SPEAKER SELECT LOGIC P.C.B. W604 1 2 3 4 C R624 LAMP(B) P.C.B. R622 D623 W505-4 B LAMP(A) P.C.B. PL502 ELECTRICAL PARTS LOCATION Ref. No. PL501 R623 R621 J W505-3 2 IC601 Q601 Q602 Q603 Q604 D601 D602 D603 D604 D605 D606 D607 D608 D609 D610 D611 D612 D613 D614 D615 D616 D617 D618 D619 D620 D623 D624 D625 D626 D627 D628 D629 D640 D641 CP501 2 1 J PL504 J 3 PL503 CP603 4 3 2 1 PL505 PL506 CP551 5 4 3 2 1 PL507 PL508 4 J CP601 10 9 8 7 6 5 4 3 2 1 D601 R619 R612 PL509 PL511 PL513 Q602 B C E D628 D617 R609 J R608 R605 D607 R610 D616 D603 D604 Q604 B C E 8 1 2 3 4 W505 PL515 Q603 B C E PL516 D618 (A+B) R607 J PL514 R616 D612 D608 D627 D620 (B) R620 R613 D629 PL501 PL503 PL505 PL507 PL509 Q601 B C E D613 D610 D611 D609 D615 D614 R617 (SPEAKERS) 7 J R606 D602 D606 J Lo. No. 6A 6A 7A 7A 8A 6A 6B 8A 8A 6B 6B 8B 7B 7B 7B 7B 7B 7B 7B 7B 8B 7B 7A 6A 7A 2B 5B 5B 6A 7A 7A 7A 6A 5A CP501 CP502 CP551 CP601 CP602 CP603 W505 W604 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R616 R617 R619 R620 R621 R622 R623 R624 C601 C602 C603 C604 C610 2B 5B 3B 4B 8B 3B 8A 1A 6B 6B 5B 6B 8B 6B 7A 8B 7A 8A 8B 7A 7A 7A 7A 7A 7A 2B 1B 2B 1A 6B 6B 6B 6B 5A 2C 3C 3C 4C 5C PL512 PL514 PL516 W505-3 W505-4 6C 7C 7C 2C 2C PL511 PL513 PL515 W505-1 W505-2 6D 7D 8D 8D 8D B LAMP(A) P.C.B. D605 D619 (A) C603 C604 R604 R602 C602 C601 R601 1 2 3 4 5 6 7 PL512 14 13 12 11 10 9 8 6 PL502 PL504 PL506 PL508 PL510 R603 IC601 D626 D641 D640 J Ref. No. C LAMP(B) P.C.B. J D625 D624 C610 PL510 J CP502 2 1 5 Lo. No. H SPEAKER SELECT LOGIC P.C.B. R611 1 234 5 CP602 J (REP1616D-S) W505-1 (REP1616D-S) W505-2 (REP1616D-S) 2D 3D 4D 4D 5D A C B O 1 D E F SPEAKER TERMINAL(L) P.C.B. SPEAKERS (Lch) (A) (B) C657 2 L6 L6 53 51 C653 C651 C655 JK651 W651-2 W655-2 W655-1 W651-1 3 (REP1615D-M) M CAPACITOR P.C.B. ELECTRICAL PARTS LOCATION C703 C704 4 Ref. No. Lo. No. Ref. No. Lo. No. O SPEAKER TERMINAL(L) P.C.B. W702-3 W701-3 W702-2 W701-2 W702-1 W701-1 L651 L653 W651-1 W651-2 W655-1 W655-2 5 3B 3D 3D 3C 3C 3D JK651 C651 C653 C655 C657 2C 2C 2D 2B 2D W702-3 C701 C702 C703 C704 5B 5C 5B 4C 4B C701 C702 M CAPACITOR P.C.B. W701-1 W701-2 W701-3 W702-1 W702-2 5D 5D 5D 5B 5B A INPUT TERMINAL P.C.B. (REP2720A-P) 6 A INPUT TERMINAL P.C.B. DIRECT NORMAL (R) LEVEL CONTROL (L) JK101 E R L194 R194 C194 R196 J L193 C193 R193 C192 J L L192 L191 C191 R191 7 R R192 L E VR192 VR191 R195 CP191A 8 3 2 1 (REP2720A-P) VR191 VR192 L191 L192 L193 L194 CP191A JK101 R191 8D 8C 7A 7B 7B 7B 8B 7B 7A R192 R193 R194 R195 R196 C191 C192 C193 C194 7A 7B 7B 8B 8B 7A 7B 7B 7B M5219P IC301 ( IC302 ) DIFFERENTIAL AMP 3 2 1 4 8 Floating power supply ICQ adj. Q301,303, Q305,307 (Q302,304, Q306,308) Q353 (Q354) Q357,361 (Q358,362) Pre drive Driver Q351 (Q352) Q355 (Q356) Q359,363 (Q363,364) Pre drive Driver –B2 +B2 (-B3) (+B3) HEADPHONES R ch CLASS AA BRIDGE BA6138 IC501 METER DRIVE AMP 6 (4) A M5218AP IC502 BUFFER AMP(METER) SPEAKERS –B1 +B1 8(2) 1/2 Square compresser Rect. 4 7(3) + 5 9 VR501 (VR502) (METER ADJ.) 8 3(5) 2(6) POWER 1 D507 METER (7) (D508) D503 (D504) +B1 B Q651 -B1 D601 D612 S604 (A+B) D613 1 14 2 7 Q601 RELAY DRIVE Q602 RELAY DRIVE D602 3 D610 S603 (B) D627 D611 5 D608 S602 (A) D609 D614 S601 (OFF) D615 D619 (A) 4 6 8 D603 10 9 D605 12 D606 11 13 Switching Q503 D604 D607 D616 D617 MN400IB IC601 SPEAKER SELECTOR +B1 Notes Signal line ( Q603 LED DRIVE : Source signal ) indicates pin No. Right channel. Q604 LED DRIVE D628 D620 (B) D629 D618 (A+B) D625 D624 RL652 D626, 640, 641 RL651 +B1 RL653 Power supply +B2 (+B3) AN7062N IC201 ( IC202 ) VOLTAGE AMP 14 13 15 Q255(Q256) Limitter 12 Current mirror D253 (D254) Q201 (Q202) Q259,263 (Q260,264) MOS class AA amp. 11 DIRECT(NORMAL) INPUT 17 16 VR191 (LEVEL CONTROL) Cascade Current stabilizer Bias 10 18 Muting 4 MOS class AA amp. Pre drive Q203 (Q204) Current mirror Q261,265 (Q262,266) +B 8 6 ICQ adj. –B2 (-B3) 9 Cascade 5 Q253 (Q254) 1 2 3 –B2 (-B3) Q205,207 (Q206,208) D255 (D256) Q257(Q258) Limiter 7 +B2 (+B3) NFB Q401(Q402) Over load det. D451 D621 (VOLTAGE CONTROL) 9 7 +B1 –B1 + + D623 5 Q451 AN7073 IC451 MUTING/PROTECTION 2 Regulator Over load det. Muting DC det. 8 D622 (CURRENT DRIVE) Relay drive –B1 1 AC det. GND 4 3 D751-754 +B1 T1(L ch) S1 (POWER) –B1 F1 D701,703,705,707 +B2(L ch) L1 AC IN –B2(L ch) T2(R ch) D702,704,706,708 +B3(R ch) F2 PL501,503,505, PL507,509,511, PL513,515 S551 (METER LIGHT) –B3(R ch) PL502,504,506, PL508,510,512, PL514,516 3 . 1 WHT/BLK WHT/RED AC IN CP4 CP3 1.3 1.3 1.3 R SPEAKER TERMINAL(R) P.C.B. CP2 W652-1 W656-1 W656-2 W652-2 W1-2 W1-1 WHT/BLK WHT/RED Q FUSE P.C.B. 1 2 WHT/ORG WHT/BRN 1 2 WHT/BLK WHT/GRY M CAPACITOR P.C.B. 1 . . 4 BRN ORG BLK RED 1 . 3 ORG BLK RED GRY T2 (Power transformer) ORG 1 . 3 3 . 1 1 . 3 WHT/BLU W701-3 W702-3 WHT/BLK W701-2 W702-2 WHT/BLK WHT/RED W701-1 W702-1 WHT/RED WHT/BLU W402 1 . 3 1 . 3 (SOLDER SIDE) 1 . 3 CP704 3.1 CN304 L 5. . . 1 CURRENT DRIVE AMP(R) P.C.B. W653 CP403 1.3 1 . . . . . . . . . 11 W603 1. . 4 1. . 4 CP405 1 . 3 CP406 RED BLK CP401 CP702 1 . 3 21 CP656 CP352 CP351 N 1 2 RELAY P.C.B. VOLTAGE CONTROL AMP(R) P.C.B. CP402 1. . 4 1.3 J 1 . 3 1. . 4 CP304 1 2 1 2 WHT/BLK WHT/ORG W352-1 W352-2 CN302 CP652 8. . . . . . 1 CP302 CP202 6. . . .1 1 2 CP651 1 2 B LAMP(A) P.C.B. RED W505-1 BLK W505-2 C LAMP(B) P.C.B. GRY W505-4 BRN W505-3 NOTE: .... Black .... Blue .... Brown .... Gray BLK BLU BRN GRY ORG .... Orange RED .... Red WHT .... White