Onkyo-TX-8522-Schematic 电路图 维修手册.pdf

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1、TX-8522 BLOCK DIAGRAM SPA SPBTHERM PRO -B1 E +B1 UP DOWN STB DATA CL TUNL FLAC2 FLAC1 -VP MUT REMIN FLDRST FLDCS FLDCLK FLDSDO +B3 -B3 MON-A MON-B TMUT PLLCLK PLLSDO STEREO SD RDSCLK RDSDAT POW +5.6V +5V_MPU +5V_CPU +5V_CPU XMDACRST XMCOMSEL XMERRIRQ XMSRSEL XMSRTXD XMSRRXD XMRST +5V_XM GND +12V -12

2、V GND_A +12V -12V XM_L_OUT XM_R_OUT SR_L_OUT SR_R_OUT TU-L TU-R RI IRIN IROUT K0 K1 K2 KEYINT0 KETINT1 KEYINT2 K3 KEYINT3 LEDSTBY LEDPURE FLAC1 FLAC2 +5.6V Q525/6 Q581/582 PROTECT TO POWER AMP PRIMARY THERMAL SENSOR Q6380 VOLTAGE REGULATOR SPEAKERSPOWER AMP PHONO EQUALIZER Q301 PHONO REC PLAY TAPE-1

3、 CD PLAY1 DVD DVD VREC VPLAY TUNER PLAY2 REC2 REC PLAY TAPE-2 OUT VIDEO IN AUDIO IN / OUT MOTOR DRIVE Q481 DISPLAY / CONTROL CPU VOLUME MICROPROCESSOR Q701 FL DRIVER Q7502 FL DISPLAY Q7501 IN OUT IN OUTMONITOR VIDEO SWITCH Q253 LA7956 DVD VIDEO VIDEO IN / OUT PACK FM/AM TUNER TACT KEYS XM RADIO To A

4、udio Selector & Phono Q302 PHONO CD REC1 ANALOG SWITCH ANALOG SWITCH Tuner XM Sirius BASSTREBLE MDD/MDC ONLY MDD/MDC ONLY DD/MDC ONLY Direct Q591 RELAY DRIVE Q592 RELAY DRIVE POWER AMP RL901 PRI RELAY F903 OUTLET AC_CABLE P501 SPEAKER-A SPEAKER-B RL591 SP-A RELAY RL592 SP-B RELAY P503 PHONES C916 D9

5、11 Q921 Q922 D921 F901 F902 Q912 R641 Q491 MUTING R393 BALANCE F911 F912 D9158 D920 T902 SUB TRANS C915 REMOTE CONTROL SENSOR RI IRIN IROUT ST-BY PUREAUDIO Q402 R409 Q401 R415 THERMAL FUSE T901 Q706 RL921,RL922 SP IMPEDANCE RELAY Q403 Q701 FLAC1 FLAC2 OTHER MODELS THERMAL FUSE T901 A 1 2 3 4 5 BCDEF

6、GH RadioFans.CN 收音机爱 好者资料库 http:/receiverfaq.ru/ TX-8522 SCHEMATIC DIAGRAM 1 AUDIO SECTION(North American model) A 1 2 3 4 5 BCDEFGH DATA CLK POFF2 TU_L TU_R SE1H PROTECT PROTECT STB VOL_UP SP_A SP_B SP_A SP_B DIRECT +12VA DIRECT VOL_DN AMUT MON-A MON-B +12VA 5.6V -12VA VOL_DN VOL_UP STB AMUT DATA M

7、ON-A +12VS MON-B +12VR CLK +10S S1GND FLAC2 FLAC1 FLAC1 FLAC2 -VP SE1H L2 R2 E R3 E E L3 MTR+ MTR- MTRG R L R L L VIDEO VIDEO TREBLE BASS VS NC OUT1 VREF IN1 GND MOTOR DRIVE BALANCE PHONO EQUALIZER SEL STB DATACL GND T2 REC T2 PLAY VSSVDD PHONO CD T1 PLAY DVD V REC V PLAY TUNER PHONO L R R L R L CD

8、-1 REC TAPE PLAY -1 TAPE -2 TAPE REC -2 PLAY TAPE R L R L R L RLGND T1 REC P918 BUS RLGND +12V -12V TU_GND TS_GND SPEAKERS R LL R AB IN2 OUT2 VCC DVD OUT IN R V_GND VIDEO RLGND MPUGND NAAF-8886 MPUGND TO NAVD-8883 (SCH.2) HP 10000/69 12V -12V TO NADG-8876 (SCH.3) MOTHER TO NADG-8876 (SCH.3) MOTHER 1

9、2V -12V ID+ ID- 57.6V -57.6V 1.2V -1.2V 0.6V -0.6V 0V -0.6V -55.8V -22.8V 55.8V 55.8V 56.3V 56.3V -55.7V 0.6V ID ADJ -O ID+ ID- 2SC5197T2.P2 57.6V -57.6V 1.2V -1.2V 0.6V -0.6V 0V -0.6V -55.8V -22.8V 55.8V 55.8V 56.3V 56.3V -55.7V 0.6V ID ADJ -O VOLUME NAAF-8888 NAPS-8889 8A/125V NAPS-8887 THERMAL FU

10、SE POWER TRANSFORMER PRIMARY TO NAPS-8880 (SCH.-4) R413 100K C424 223Z R311 39K R313 100K R314 100K R417 1K R418 1K R575 220K C342 223Z R335 330 R336 330 R337 1M R338 1M R344 330 R345 1M R3461M R302 1K R349 22K R343 330 R435 220K R301 1K C313 10/50 R304 56K R303 56K R305 220K R306 220K C307 100/10 R

11、312 39K C312 182J Q301:B NJM4558D-X 6 5 7 Q301:A NJM4558D-X 3 2 8 1 4 C314 10/50 C345 223Z R350 22K C308 100/10 R3181M R3171M R316 330 R322 1M R321 1M R319 2.2K R324 330R3261M R3251M R323 330 R330 1M R329 1M R327 2.2K R328 2.2K R331 330 R332 330 R3331M R3341M R407 3.3K C311 182J C301 471K C302 471K

12、C309682J C310 682J R307 820 R308 820 R309 470K R310 470K R401 1K C421 223J C422 223J R419 3.3K R420 3.3K C403 47/25 C407 47/25 R404 220K R405 22K R406 22K C392 101K C391 101K C404 47/25 R391 1K C416 220/16 C971 223Z R951 (1/2W) 2.2 C928 100/50 C931 223Z R49147K R492 47K R436 2.2K D952 1SS133 Q302 TC

13、9273CNG-010 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 C423 223Z R44210 C401 47/25 R44110 C451 47/25 C452 47/25 R461 100K R462 100K R453 82K R454 82K R451 3.3K R4593.3K R460 3.3K R452 3.3K D450 P916B Q492 RN1241-A Q592 DTC123JS Q591 DTC123JS R411 1.2K R595 10 (1/2W) C4

14、02 47/25 R402 1K R408 3.3K C408 47/25R392 1K R599 390(1W) R598 390(1W) R457 3.3K C455 47/25 Q402:A NJM 2068L-D 3 2 8 1 4 Q491 RN12 41-A C456 47/25 R458 3.3K Q401:B NJM2068L-D 6 5 7 Q401:A NJM2068L-D 3 2 8 1 4 R403 220K P301 P302 D983 C591 103J C592 103J D591D592 RL592 5 2 16 3 4 P501 7 9 10 6 8 2 4

15、5 1 3 R414 100K R315 330 R320 2.2K P915B C341 223Z R952 (1/2W)2.2 J593 D951 1SS133 Q925 DTC123JS C433 103J C434 103J C412 47/25 R412 1.2K C411 47/25 P914B RL450 12 3 5 10 89 4 1 RL921 3 41 2 C343 223Z R3392.2K R340 2.2K R341 1M R3421M P303 C459 103J C953 4.7/50 + RL922 4 32 1 R925 10(1/2W) JL261B 1

16、2 3 4 D921 RL1N4003 GP104003E D922 MTZJ33D Q924 2SA965-Y D954 MTZJ4.7B Q493 KRA102M D491 1SS133 C941 10/50 R953100K C925 334J C919 330/35 C918 4700/35 C912 334J/ 100V C911 334J/100V C305 152J C306 152J C303 47/25 C304 47/25 C441 100/16 R924 560(1/2W) R455 22K R456 22K C415 220/16 C527 47/100 C528 C5

17、34 102J C532 102J C531 102J C533 102J C535 102J C536 102J Q452 DTC123JS E591 E592 D953 1SS133 C930223Z R932 330K R934 100(1/2W) R594 (1/2W) 2.2 R573 10K R572 22K C582 223Z Q583 2SA970 R574 47K R593 (1/2W) 2.2 R571 33K Q581 2SC2240 Q582 2SC2240 C315 220/16 C316 220/16R352 10 R351 10 R353 10 R354 10 C

18、353 22/50 C354 22/50 JL913B D571 MTZJ5.1B C583 1/50 C405 101K C406 101K Q403:A NJM2068L-D 3 2 8 1 4 C453 101K Q403:B NJM2068L-D 6 5 7 C454 101K C581 100/16 Q481 TA7291SG 1 2 3 4 5 6 7 8 9 RL591 4 3 61 2 5 R931 3.3K (1/4W) R933 22(1/2W) Q922 79M12 3 O 2I 1 G C923 10/50 C922 33/50 C921 223Z C920 474J

19、C926 100/50 J903 JL716B TO_NADIS-8887(SCH.2) 1 2 3 JL711B TO NAETC-8882(SCH.-2) 3 2 1 JL613A P705B 1 34 2 P704B 1 34 2 C915 C916 C924 334J D911D10XB60H 1 3 4 2 R415 100K 2 6 5 3 9 4 8 1 7 R393 250K 4 1 92 8 3R409 100K 8 4 9 5 3 6 2 1 7 Q921 BAJ2DD0T 3 O 2 G 1I R919 1(1/2W) D918 D3SBA20 D924 GP104003

20、E RL1N4003 D984 C982 222J Q402:B NJM2068L-D 6 5 7 JL918B D920 RL1N4003 GP104003E C442 1/50 P701B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 P702B 1 2 3 4 5 6 7 8 9 10 11 12 13 R501 470 R565 120K C501 47/50 + R507 47 R509 47 C519 104J R519 1K R517 1K R521 (1/2W) 82 R577 120K R563 100K D511 1SS13

21、3 R561 270 C503 101K R503 27K Q507 2SA949Y Q531 2SC1740S_S R581 5.6K R583 3.9K R587 2K R589 3.3K Q533 2SC1740S_S R567 22 C509 10/50 + R579 100 C511 NONE Q503 2SC2240-BL R531 18K R525 (1/2W) 68 R527 (1/2W) 82 C521 10/50 + Q513 2SA949Y Q515 2SC2229-Y R547 0.22(5W) C515 101K R515 1K C505 220/25 + C597

22、NONE C523 020C Q509 2SA949Y R529 (1/2W) 56 C507 NONE R569 22 R545 22K L501 J691 NONE R555 (1W) 8.2 C517 473J P597A NONE P597B NONE C513 47/25 + P511 1 2 R535 18K C595 NONE C529 NONE R513 56K R533 56K R543 (1/2W) 220 R541 (1/2W) 2.2 R539 (1/2W) 2.2 R591 (1/4W) 2.2 Q501 2SC2240-BL R505 10 Q529 BL2SC24

23、58-GR R549 2.7K R585 470 Q519 2SA1930 Q517 2SC5171 Q521 2SC5200 Q523 2SA1943 R511 5.6K Q505 BL 2SC2240-GR R523 (1/2W) 82 R553 47K Q527 2SC2229-YR551 33K R502 470 R566 120K C502 47/50 + R508 47 R510 47 C520 104J R520 1K R518 1K R522 (1/2W) 82 R578 120K R564 100K D512 1SS133 R562 270 C504 101K R504 27

24、K Q508 2SA949Y Q532 2SC1740S_S R582 5.6K R584 3.9K R588 2K R590 3.3K Q534 2SC1740S_S R568 22 C510 10/50 + R580 100 C512 NONE Q504 2SC2240-BL R532 18K R526 (1/2W) 68 R528 (1/2W) 82 C522 10/50 + Q514 2SA949Y Q516 2SC2229-Y R548 0.22(5W) C516 101K R516 1K C506 220/25 + C598 NONE C524 020C Q510 2SA949Y

25、R530 (1/2W) 56 C508 NONE R570 22 R546 22K L502 J692 NONE R556 (1W) 8.2 C518 473J P598A NONE P598B NONE C514 47/25 + P512 1 2 R536 18K C596 NONE C530 NONE R514 56K R534 56K R544 (1/2W) 220 R542 (1/2W) 2.2 R540 (1/2W) 2.2 R592 (1/4W) 2.2 Q502 2SC2240-BL R506 10 Q530 BL2SC2458-GR R550 2.7K R586 470 Q52

26、0 2SA1930 Q518 2SC5171 Q522 2SC5200T5,P5 Q524 2SA1943 R512 5.6K Q506 BL 2SC2240-GR R524 (1/2W) 82 R554 47K Q528 2SC2229-YR552 33K R644 8.2K R643 8.2K C648 223Z P641 WS-CLAMP P642 WS-CLAMP JL613B R641 47 8 1 12 52 11 6 39 JL917B F912 F911 JL918A D912 D10XB60H 1 3 4 2 P919 1 34 2 P915A P916A P914A 8 9

27、 10 11 12 13 14 16 15 18 17 JL917A C991 104J J991 J992 C992 104J R923 5.6(1/2W) JL913A F913 4A125V F914 4A125V 7 3 T901 NPT-1543D 3 5 7 8 9 10 11 12 13 14 15 16 17 18 U02 U023 U024 U022 Q401:A 47/100 1SS133 1SS133 D924 10000/69 C915 8A/125V RadioFans.CN 收音机爱 好者资料库 TX-8522 SCHEMATIC DIAGRAM 1 AUDIO S

28、ECTION(Europe and Australian models) A 1 2 3 4 5 BCDEFGH DATA CLK POFF2 TU_L TU_R SE1H PROTECT PROTECT STB VOL_UP SP_A SP_B SP_A SP_B DIRECT +12VA DIRECT VOL_DN AMUT MON-A MON-B +12VA 5.6V -12VA VOL_DN VOL_UP STB AMUT DATA MON-A +12VS MON-B +12VR CLK +10S S1GND FLAC2 FLAC1 FLAC1 FLAC2 -VP L2 R2 E R3

29、 E E L3 MTR+ MTR- MTRG R L R L L VIDEO VIDEO TREBLE BASS VS NC OUT1 VREF IN1 GND MOTOR DRIVE BALANCE PHONO EQUALIZER SEL STB DATACL GND T2 REC T2 PLAY VSSVDD PHONO CD T1 PLAY DVD V REC V PLAY TUNER PHONO L R R L R L CD -1 REC TAPE PLAY -1 TAPE -2 TAPE REC -2 PLAY TAPE R L R L R L T1 REC P918 BUS RLG

30、ND +12V -12V TU_GND TS_GND SPEAKERS R LL R AB IN2 OUT2 VCC DVD OUT IN R V_GND VIDEO RLGND MPUGND NAAF-8886 MPUGND TO NAVD-8883 (SCH.2) HP 8200/56 12V -12V TO NADG-8876 (SCH.3) MOTHER TO NADG-8876 (SCH.3) MOTHER 12V -12V ID+ ID- 57.6V -57.6V 1.2V -1.2V 0.6V -0.6V 0V -0.6V -55.8V -22.8V 55.8V 55.8V 56

31、.3V 56.3V -55.7V 0.6V ID ADJ -O ID+ ID- 2SC5197T2.P2 57.6V -57.6V 1.2V -1.2V 0.6V -0.6V 0V -0.6V -55.8V -22.8V 55.8V 55.8V 56.3V 56.3V -55.7V 0.6V ID ADJ -O VOLUME NAAF-8888 NAPS-8887 THERMAL FUSE POWER TRANSFORMER PRIMARY TO NAPS-8880 (SCH.-4) R413 100K C424 223Z R311 39K R313 100K R314 100K R417 1

32、K R418 1K R575 220K C342 223Z R335 330 R336 330 R337 1M R338 1M R344 330 R345 1M R3461M R302 1K R349 22K R343 330 R435 220K R301 1K C313 10/50 R304 56K R303 56K R305 220K R306 220K C307 100/10 R312 39K C312 182J Q301:B NJM4558D-X 6 5 7 Q301:A NJM4558D-X 3 2 8 1 4 C314 10/50 C345 223Z R350 22K C308 1

33、00/10 R3181M R3171M R316 330 R322 1M R321 1M R319 2.2K R324 330R3261M R3251M R323 330 R330 1M R329 1M R327 2.2K R328 2.2K R331 330 R332 330 R3331M R3341M R407 3.3K C311 182J C301 471K C302 471K C309682J C310 682J R307 820 R308 820 R309 470K R310 470K R401 1K C421 223J C422 223J R419 3.3K R420 3.3K C

34、403 47/25 C407 47/25 R404 220K R405 22K R406 22K C392 101K C391 101K C404 47/25 R391 1K C416 220/16 C971 223Z R951 (1/2W) 2.2 C928 100/50 C931 223Z R49147K R492 47K R436 2.2K D952 1SS133 Q302 TC9273CNG-010 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 C423 223Z R44210 C40

35、1 47/25 R44110 C451 47/25 C452 47/25 R461 100K R462 100K R453 82K R454 82K R451 3.3K R4593.3K R460 3.3K R452 3.3K D450 P916B Q492 RN1241-A Q592 DTC123JS Q591 DTC123JS R411 1.2K R595 10 (1/2W) C402 47/25 R402 1K R408 3.3K C408 47/25R392 1K R599 390(1W) R598 390(1W) R457 3.3K C455 47/25 Q402:A NJM 206

36、8L-D 3 2 8 1 4 Q491 RN12 41-A C456 47/25 R458 3.3K Q401:B NJM2068L-D 6 5 7 Q401:A NJM2068L-D 3 2 8 1 4 R403 220K P301 P302 D983 C591 103J C592 103J D591D592 RL592 5 2 16 3 4 P501 7 9 10 6 8 2 4 5 1 3 R414 100K R315 330 R320 2.2K P915B C341 223Z R952 (1/2W)2.2 J593 C433 103J C434 103J C412 47/25 R412

37、 1.2K C411 47/25 P914B RL450 12 3 5 10 89 4 1 C343 223Z R339 330 2.2K R340 330 2.2K R341 1M R3421M C331 P303 C459 103J C953 4.7/50 + JL261B 1 2 3 4 D921 RL1N4003 GP104003E D922 MTZJ33D Q924 2SA965-Y D954 MTZJ4.7B Q493 KRA102M D491 1SS133 C941 10/50 R953100K C925 334J C919 330/35 C918 1000/35 C912 33

38、4J/50V C911 334J/50V C305 152J C306 152J C303 47/25 C304 47/25 C441 100/16 R924 560(1/2W) R455 22K R456 22K C415 220/16 C527 47/63 C528 C534 102J C532 102J C531 102J C533 102J C535 102J C536 102J Q452 DTC123JS E591 E592 D953 1SS133 C930223Z R932 330K R934 100(1/2W) R594 (1/2W) 2.2 R573 10K R572 22K

39、C582 223Z Q583 2SA970 R574 47K R593 (1/2W) 2.2 R571 33K Q581 2SC2240 Q582 2SC2240 C315 220/16 C316 220/16R352 10 R351 10 R353 10 R354 10 C353 22/50 C354 22/50 JL913B D571 MTZJ5.1B C583 1/50 C317 101K C318101K C321 101K C322 101K C325 101K C326 101K C327 101K C328101K 101K C332 101K C405 101K C406 10

40、1K C409 101K C410 101K Q403:A NJM2068L-D 3 2 8 1 4 C453 101K Q403:B NJM2068L-D 6 5 7 C454 101K C457 101K C458 C581 100/16 Q481 TA7291SG 1 2 3 4 5 6 7 8 9 RL591 4 3 61 2 5 R931 3.3K (1/4W) R933 22(1/2W) Q922 79M12 3 O 2I 1 G C923 10/50 C922 33/50 C921 223Z C920 223Z C926 100/50 J903 JL716B TO_NADIS-8

41、887(SCH.2) 1 2 3 JL711B TO NAETC-8882(SCH.-2) 3 2 1 JL613A P705B 1 34 2 P704B 1 34 2 C915 C916 C924 334J D911 D10XB60H 1 3 4 2 R415 100K 2 6 5 3 9 4 8 1 7 R393 250K 4 1 92 8 3R409 100K 8 4 9 5 3 6 2 1 7 Q921 78M12 3 O 2 G 1I R919 1(1/2W) D918 D3SBA20 D924 GP104003E RL1N4003 D984 C982 222J Q402:B NJM

42、2068L-D 6 5 7 D920 RL1N4003 GP104003E C442 1/50 P701B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 P702B 1 2 3 4 5 6 7 8 9 10 11 12 13 R501 470 R565 120K C501 47/50 + R507 47 R509 47 C519 104J R519 1K R517 1K R521 (1/2W) 82 R577 120K R563 100K D511 1SS133 R561 270 C503 101K R503 27K Q507 2SA949Y

43、Q531 2SC1740S_S R581 5.6K R583 3.9K R587 2K R589 3.3K Q533 2SC1740S_S R567 22 C509 10/50 + R579 100 C511 NONE Q503 2SC2240-BL R531 18K R525 (1/2W) 68 R527 (1/2W) 82 C521 10/50 + Q513 2SA949Y Q515 2SC2229-Y R547 0.22(5W) C515 101K R515 1.5K C505 220/25 + C597 NONE C523 020C Q509 2SA949Y R529 (1/2W) 5

44、6 C507 NONE R569 22 R545 22K L501 J691 NONE R555 (1W) 8.2 C517 473J P597A NONE P597B NONE C513 47/25 + P511 1 2 R535 18K C595 NONE C529 NONE R513 56K R533 56K R543 (1/2W) 220 R541 (1/2W) 2.2 R539 (1/2W) 2.2 R591 (1/4W) 2.2 Q501 2SC2240-BL R505 10 Q529 BL2SC2458-GR R549 3.3K R585 820 Q519 2SA1930 Q51

45、7 2SC5171 Q521 2SC5200 Q523 2SA1943 R511 5.6K Q505 BL 2SC2240-GR R523 (1/2W) 82 R553 47K Q527 2SC2229-YR551 33K R502 470 R566 120K C502 47/50 + R508 47 R510 47 C520 104J R520 1K R518 1K R522 (1/2W) 82 R578 120K R564 100K D512 1SS133 R562 270 C504 101K R504 27K Q508 2SA949Y Q532 2SC1740S_S R582 5.6K

46、R584 3.9K R588 2K R590 3.3K Q534 2SC1740S_S R568 22 C510 10/50 + R580 100 C512 NONE Q504 2SC2240-BL R532 18K R526 (1/2W) 68 R528 (1/2W) 82 C522 10/50 + Q514 2SA949Y Q516 2SC2229-Y R548 0.22(5W) C516 101K R516 1.5K C506 220/25 + C598 NONE C524 020C Q510 2SA949Y R530 (1/2W) 56 C508 NONE R570 22 R546 2

47、2K L502 J692 NONE R556 (1W) 8.2 C518 473J P598A NONE P598B NONE C514 47/25 + P512 1 2 R536 18K C596 NONE C530 NONE R514 56K R534 56K R544 (1/2W) 220 R542 (1/2W) 2.2 R540 (1/2W) 2.2 R592 (1/4W) 2.2 Q502 2SC2240-BL R506 10 Q530 BL2SC2458-GR R550 3.3K R586 820 Q520 2SA1930 Q518 2SC5171 Q522 2SC5200T5,P

48、5 Q524 2SA1943 R512 5.6K Q506 BL 2SC2240-GR R524 (1/2W) 82 R554 47K Q528 2SC2229-YR552 33K R644 8.2K R643 8.2K C648 223Z P641 WS-CLAMP P642 WS-CLAMP JL613B R641 47 8 1 12 52 11 6 39 R921 0.47(1/2W) P915A P916A P914A 8 9 10 11 12 13 14 16 15 18 17 C991 104J R922 0.47(1/2W) J991 J992 C992 104J R923 5.

49、6(1/2W) JL913A 7 3 T901 NPT-1543P 3 5 7 8 9 10 11 12 14 15 16 17 U02 U023 U022 101K Q401:A 47/63 1SS133 1SS133 D924 8200/56 C918 RadioFans.CN 收音机爱 好者资料库 TX-8522 SCHEMATIC DIAGRAM 1-2 Power amplifier section A 1 2 3 4 5 BCD ID+ ID- (P/A) 2SC5197T2.P2 2SA1940T2,P2 57.6V -57.6V 1.2V -1.2V 0.6V -0.6V 0V -0.6V -55.8V -22.8V 55.8V 55.8V 56.3V 56.3V -55.7V 0.6V ID ADJ -O ID+ ID- (P/A) 2SC5197T2.P2 2SA1940T2,P2 57.6V -57.6V 1.2V -1.2V 0.6V -0.6V 0V -0.6V -55.8V -22.8V 55.8V 55.8V 56.3V 56.3V -55.7V 0.6V ID ADJ -O R501 470 R565 120K C501 47/50 + R507 47 R509 47 C519 104J R519 1K R517 1K R521 (