NAD-C162-pre-sm维修电路原理图.pdf
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1、NAD SERVICE MANUAL C 162 STEREO PREAMPLIFIER STEREO PREAMPLIFIER May 2005RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 R103 470 MF R105 470 MF C102 100p C103 100p R107 470 MF R109 470 MF R111 470 MF C104 100p C105 100p C106 100p R113 470 MF R115 470 MF R117 470 MF C107 100p C108 100p C109 100p R11
2、6 1M R114 1M R112 1M R104 1M R106 1M R108 1M R110 1M 6 5 4 RL1B 5V 6 5 4 RL2B 5V 6 5 4 RL3B 5V 6 5 4 RL4B 5V 6 5 4 RL5B 5V 6 5 4 RL6B 5V 6 5 4 RL7B 5V 6 5 4 RL8B 5V RCA1A PHONO MC RCA1C PHONO MM RCA2A CD RCA2C VIDEO RCA3A AUX RCA3C TUNER RCA4C REC2 RCA5A TAPE1 RCA5C REC1 R101 220 MF B1 RV3A 10KA RCA
3、4A TAPE2 RCA6A PREOUT1 RCA6B PREOUT 1 RCA6C PREOUT 2 RCA6D PREOUT 2 C301 100P C302 0.1u C304 820P C303 470u/16V L301 100uH R301 1K5 1% MF R302 N.I. R303 1K 1% MF R304 120 1% MF R305 1K R306 1K 1% MF R307 11 1% MF R308 1K 1% MF R309 240 R310 200 1% MF R311 1K5 R312 N.I. R313 22K MF C305 100u/25V C306
4、 470u/25V C307 470u/25V C308 68P C309 4u7/25V C310 470u/25V Q301 2SC3329 Q302 2SA970 Q303 2SB647A Q304 2SD667A C311 100P C312 100P C313 220P R314 51K 1% MF R315 220 1% MF R316 3K3 MF L302 3.7mH +18V 1 2 3 SW1A MM/MC C317 4u7 20% C319 47u C320 47u C321 47u C322 100u/25V C323 100u C325 47u 10% C316 0.
5、1u R318 213 1% MF R321 15K 1% MF R322 10K* R323 3K3 R324 3K3 R325 4K7 R326 4K7 R332 75 MF R333 11K 1% MF R334 137K 1% MF R335 8K2 R336 8K2 R337 51K MF R338 820 MF Q310 2SC1775AE +26V Q311 2SA872AEV26L C327 6n82% PE C328 24n 2% PE V26L -26V C330 2n2 PE C329 47u 1 2 3 4 5 6 7 8 9 10 M302 C162-LINEIN M
6、ODULE +52V -52V PREOUT1-L PREOUT1-R PREOUT2-R PREOUT2-L R341 3K3 MF C331 0.1u R342 100 R343 100 C332 220u R344 2K74 1% MF R346 499 1% MF R345 12K MF R347 1K 1% MF R348 120 1% MF A1 RV1A 10KA A1 RV2A 10KA C336 18n 2% PE C337 0.1u 2% PE R350 2K74 MF R351 499MF C339 0.15u 5% MP C340 1u 5% MP C341 470P
7、A1 RV4A 20K MN R349 36K ON OFF BALANCE BASS TREBLE 1 2 3 SW2A DPDT C333 0.1u C335 6n8 C338 22n R352 21.1K 1% MF R317 10K 5% MF C315 43P B2 RV3B 10KA C432 220u R444 2K74 1% MF R446 499 1% MF R445 12K MF R447 1K 1% MF R448 120 1% MF A2 RV1B 10KA A2 RV2B 10KA C436 18n 2% PE C437 0.1u 2% PE R450 2K74 MF
8、 R451 499 MF C439 0.15u 5% MP C440 1u 5% MP C441 470P A2 RV4B 20K MN R449 36K ON OFF BASS TREBLE 4 5 6 SW2B DPDT C433 0.1u C435 6n8 C438 22n R452 21.1K 1% MF R203 470 MF R205 470 MF C202 100p C203 100p R207 470 MF R209 470 MF R211 470 MF C204 100p C205 100p C206 100p R213 470 MF R215 470 MF R217 470
9、 MF C207 100p C208 100p C209 100p R216 1M R214 1M R212 1M R204 1M R206 1M R208 1M R210 1M 3 2 1 RL2A 5V 3 2 1 RL3A 5V 3 2 1 RL4A 5V 3 2 1 RL5A 5V 3 2 1 RL6A 5V 3 2 1 RL7A 5V 3 2 1 RL8A 5V RCA1B PHONO MC RCA1D PHONO MM RCA2B CD RCA2D VIDEO RCA3B AUX RCA3D TUNER RCA4D REC2 RCA5B TAPE1 RCA5D REC1 R201
10、220 MF RCA4B TAPE2 C401 100P C402 0.1u C404 820P C403 470u/16V L401 100uH R401 1K5 1% MF R402 N.I. C411 100P C412 100P C413 220P R414 51K 1% MF R415 220 1% MF R4163K3 MF L402 3.7mH 4 5 6 SW1B MM/MC R441 3K3 MF 3 2 1 RL1A 5V R403 1K 1% MF R404 120 1% MF R405 1K R406 1K 1% MF R407 11 1% MF R408 1K 1%
11、MF R409 240 R410 200 1% MF R411 1K5 R412 N.I. R413 22K MF C405 100u/25V C406 470u/25V C407 470u/25V C408 68P C409 4u7/25V C410 470u/25V Q401 2SC3329 Q402 2SA970 Q403 2SB647A Q404 2SD667A +18V C431 0.1u C343 0.22uPE C344 100u C345 220P R353 75/FS 0.5W R354 22K R355 330 6 5 4 RL9B 5V PREOUT1-L R356 4K
12、7 R357 4K7 R358 3K3 1% MF R359 1K 1% MF R361 100 C346 220P C347 0.1u C348 0.1u C349220P C351 2n2 C6 10n 3 2 1 84 IC1A NE5532A 5 6 7 IC1B NE5532A Q313 2SC2878 +18V -18V A1 RV5A 1KPREOUT2-L C443 0.22uPE C444 100u C445 220P R453 75/FS 0.5W R454 22K R455 330 3 2 1 RL9A 5V PREOUT1-R R456 4K7 R457 4K7 R45
13、8 3K3 1% MF R459 1K 1% MF R461 100 C446 220P C449220P C451 2n2 Q413 2SC2878 A2 RV5B 1K PREOUT2-R 4 2 5 3 1 6 9 8 7 PJ1 PHONEJACK +26V PMUTE -26V PMUTE RELDRV2 RELDRV1 AC S1 AC S2 + + - - B701 RS507L AC S1 AC S2 + + - - B702 RS507L AC S1 AC S2 + + - - B703 RS507L C702 224/250V C703 224/100V C704 224/
14、100V C707 0.1u C718 0.1u C719 0.1u C730 0.1u C709 1000u 100V * C720 3300u/50V C721 3300u/50V C731 2200u/35V SW701 SW SPST C701 4n7/400V C706 0.1u C708 1000u 100V * F706 T0.5A/250VF705 T0.5A/250V F704 T0.5A/250V F703T0.5A/250V F702 T0.5A/250V R703 15K/0.5W MFR701 10K R702 10K R704 22K/0.5W MF Q702 2S
15、D667A Q701 2SB647A IN IC705 LM7812M IN IC703 LM317 C735 10uF C729 10uF C728 10uF C734 0.1u C727 0.1u C726 0.1u C733 0.1u C725 0.1u C724 0.1u C732 10uF/35V C723 10uF/50V C722 10uF/50V IN IC704 LM337 R716 110 R713 110 R715 2K2 R714 2K2 +26V -26V +12V +29V -29V IN IC707 LM7818 C744 10uF C743 10uF C746
16、0.1u C745 0.1u C748 0.1u C747 0.1u C750 10uF C749 10uF IN IC708 LM7918 +18V -18V +26V -26V R719 100K R720 1K R725 4K7 R726 4K7 D710 1N4148 D714 18V D713 1N4148 D715 1N4148 C751 47u 8 RL9C 5V Q707 2SC1815Q708 2SC1815 +5.5V RELDRV1 RELDRV2 IRMUTE +29V STR 1 D 2 CLK 3 OE 15 Q1 4 Q2 5 Q3 6 Q4 7 Q5 14 Q6
17、 13 Q7 12 Q8 11 QS 9 QS 10 VCC 16 GND 8 IC505 4094 STR 1 D 2 CLK 3 OE 15 Q1 4 Q2 5 Q3 6 Q4 7 Q5 14 Q6 13 Q7 12 Q8 11 QS 9 QS 10 VCC 16 GND 8 IC504 4094 C502 22P C503 22PX501 12MHz C501 0.1u C513 0.1u R504 4K7 +5.5V C VI TU AU T2 T1 DI K507 VIDEO K506 AUX K504 TAPE2 K505CD K503 TAPE1 K501 DISC K502 T
18、UNER LD502 CD LD504 AUX LD501 DISC LD505 TUNER LD503 VIDEO LD507 TAPE1 LD506 TAPE2 R524 4K7 R508 1K R523 1K Q508 A1015 P24 1 P25 2 P26 3 P27 4 VCC 5 X2 6 X1 7 P31 8 P32 9 P33 10 P00 11 P01 12 P02 13 GND 14 P20 15 P21 16 P22 17 P23 18 IC502 Z86C0812PSC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
19、20 CB501 20PIN Q501 C1815 Q502 C1815 Q503 C1815 Q504 C1815 Q505 C1815 Q506 C1815 Q507 C1815 R522 4K7 R520 4K7 R518 4K7 R516 4K7 R514 4K7 R512 4K7 R510 4K7 C506 10n C507 10n C508 10n C509 10n C510 10n C511 10n C512 10n CVITUAUT2T1DI CDVIDEOTUNERAUXTAPE2TAPE1DISC CD VIDEO TUNER AUX TAPE2 TAPE1 DISC R5
20、09 4K7 R511 4K7R513 4K7R515 4K7R517 4K7R519 4K7 R521 4K7 R505 10K R506 10K R507 10K AMBER GREENGREENGREENGREENGREENGREEN V S G IC503 HS0038 R501 100 R502 100 D501 1N4148 D503 1N4148 D502 1N4148 D504 1N4148 R503 100K L RCA7A NADLINK IN R RCA7B NADLINK OUT 8 1 2 3 4 5 6 7 12 11 10 9 13 14 IC501 74LS00
21、 +5.5V +5.5V +5.5V +5.5V R525 10K +5.5V R732 2K2 R727 2K2 R728 2K2 R729 2K2 R730 2K2 R731 2K2 C752 4u7 C753 4u7 Q711 C1815 Q709 A1015 Q712 C1815 Q710 A1015MOTOR M +- VOLUME CONTROL C504 10u R526 1K C162-KEYBOARD VOL-UPVOL-DN +5.5V 8 RL1C 8 RL2C 8 RL3C 8 RL4C 8 RL5C 8 RL6C 8 RL7C 8 RL8C D716 1N4148 D
22、717 1N4148 D718 1N4148 D719 1N4148 D720 1N4148 D721 1N4148 D722 1N4148 IRMUTE VOL-DN VOL-UP 1 2 3 4 5 6 7 8 CB702 8PIN 1 2 3 4 5 6 7 8 CZ702 8PIN C162-PHONEBOARD +5.5V 1 2 3 4 5 6 7 8 9 10 M301 C162-MM MODULE 1 2 3 4 5 6 7 8 9 10 M402 C162-LINEIN MODULE +52V -52V V26L C417 4u7 20% C419 47u C420 47u
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