Onkyo-TX8555-rec-sch 电路图 维修手册.pdf
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1、TX-8555 BLOCK DIAGRAM -B1 E +B1 PROTECT +7V -12V -7V +12V RI Z2VSWB Z2VSWA VSWA VSWB 12VTRGA 12VTRGB 12VTRGC +5V_DIS +5V_CPU +5V_MPU+5.6V +5V_DIS K0 K1 K2 KEYINT0 KETINT1 KEYINT2 K3 KEYINT3 FLDCS FLDCLK FLDRST FLDSDO LEDPURE LEDSTBY FTXD FRXD GND_A SR_R_OUT XM_R_OUT GND_TU +9V TU-L TU-R RDSDATA SD S
2、TEREO PLLSDA PLLSCL RDSCLK XM_L_OUT SR_L_OUT D+ D- I2S VOLDATA VOLCLK POFF APOWER FLAC2 FLAC1 -B3 +B3 SPRLA SPRLB THERMAL SEC1H DIRECT AMUT SIRIUSTX SIRIUSRX SIRIUSRST XMANT XMTXD XMRXD XMRST XMLINK XMDACRST VMUTMON VMUTV1 Z2VMUT FLAC1 FLAC2 -VP +10S -12V_A +12V_R +12V_A VPOWER REMIN TO POWER AMP. T
3、HERMAL SENSOR SPEAKERS POWER AMP. CONTROL KEYS Q856 PHONO GAME/TV PHONO EQUQLIZER Q301 VOLTAGE REGURATOR TONE Q302 SELECTOR/ VOLUME R L PREOUT ZONE 2 BALANCE CBL/SAT OUT IN CD TAPE OUT DVD MAIN MICROPROCESSOR Q802 VIDEO IN / OUT IN VDR/DVR OUT DVD IN IN CBL/SAT GAME/TV IN LA7956 Q251 LA7956 VIDEO SW
4、ITCH Q252 MONITOR OUT CONTROL 12V TRIGGER MDD type only RS-232 NC FL DRIVER Q851 FL DISPLAY Q852 ZONE 2 OUT FM/AM TUNER UNIT XM MDC type only TRANSMITTERS RS-232 Q201 Q202 DAC XM/DT IC AUDIO IN / OUT IN VCR/DVR Q701 NAPS-9674 120V 240V F902 : MPP, MPA type only F901 : MDC type only VOLTAGE REGURATOR
5、 Q901 NC PROTECT Q581-Q583 Q527,Q528 BASSTREBLE TONE DIRECT R PRE OUT SUBWOOFER L SIRIUS P502 IR LED 19 20 14 53 67 51 65 55 15 35 38 69 78 49 47 61 45 63 57 59 P503 PHONES Q922 Q403 + + E592 D361 Q361 D362 Q362 R393 12V TRG A 12V TRG B 12V TRG C J591 J592 C916C915 F911 D912 F912 Q921 D911 F913 D961
6、 C962 RI Q702 OI Q809 R823 Q811 PHT CPL Q810 PHT CPL IR IN A IR OUT IR IN B STANDBY D710 D711 D712 Q401 Q203 LPF C926D921 D922 C704 0.22F + D920 C928 Q924 Q912 F903 RL901 OUTLET AC IN J930 J918 S901 NC F901 F902 C903 D908 D909 T902 SUB TRANS. D901-D904 T901 MAIN TRANS. 1 3 5 7 8 9 10 11 12 13 14 15
7、16 17 18 19 D931-D934 RL921 RL922 Q591 Q592 Q925 RL591 RL592 Q402 R415R409 Q452 Q835 Q491 R495 Q495 MUTING RL450 D914 PUREAUDIO IR OUT IR IN P501 A B Q710 Q709 D856 U851 REMOTE SENSOR D855 POWER SUPPLY PC BOARD NAETC-9678 HEADPHONE JACK PC BOARD NAETC-9672 THERMAL SENSOR PC BOARD NAAF-9610 AMPLIFIER
8、 PC BOARD NAPS-9612 RL921, 922 : MDC type only J591, 592 : MPP, MPA type only NAAR-9631 ZONE 2/ XM PC BOARD D856 : NC VIDEO SWITCH VIDEO PC BOARDNAVD-9627 DISPLAY PC BOARD NADIS-9671 R2S15211FP M66005-0001 16-BT-128GNYK ICL3221E M30624MWP-467FP NAAR-9631 NAAR-9631 NAAR-9631 AK4388 NC A 1 2 3 4 5 BCD
9、EFGH RadioFans.CN 收音机爱 好者资料库 http:/receiverfaq.ru/ TX-8555 SCHEMATIC DIAGRAMS-1 (SD-1) AMPLIFIER SECTION Refer to following table about the parts displayed by mark LIST. NC = No mount of parts. SD-Z : XY Location of connected terminal in schematic diagrams. SD-Z = Schematic diagrams-Z. X = A to H, Y
10、 = 1 to 5. THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED. ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR U
11、NLESS OTHERWISE NOTED. ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED. ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV. ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED. EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED. THE THICK LINES
12、 ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS. EX) PRINTING SIDE CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT. ! NOTE C915, 916 C911, 91210000/698200/56 MDCMPP, MPATYPE - FLAC1 FLAC2 -VP SE1H CLOCK DATA CLOCK DATA XM_R XM_L R_OUT L_OUT -12VA +12VA POFF2 DIRECT SE1H SP_B SP_A PROTECT SIRIUS_R SIRIU
13、S_L TUNER_L TUNER_R Z2L_OUT Z2R_OUT FLAC2 FLAC1 SP_A SP_B PROTECT AMUT +22VS +22VR XM_L XM_R SIRIUS_L SIRIUS_R DIRECT AMUT MPUGND -12V TS_GND TS_GND TS_GND TS_GND TS_GND Q491, 492, Q495, 496 : RN1241-A TUNER NC NC SPEAKERS R LL R AB -22V +22V NAAF-9610 PO-R PO-L Z2-R Z2-L +12R TO NAAR-9631 SD-6 : A3
14、 MDC type only MDC type only R L R L R L L R R L R L R L R L L R PHONO IN CD IN TAPE OUT GAME/TV IN CBL/SAT DVD IN IN VCR/DVR OUT IN IN ON OFF TO NADG-9670 SD-2 : D5 +12V RL1N4003 D931-D934 : +0.6V -1.2V -55.8V -22.8V -0.6V +56.3V -55.7V +57.6V +55.8V +55.8V -57.6V -57V 0V +1.2V +56.3V -56.3V -0.6V
15、ID+ ID- +57.6V -57.6V 0V +0.6V NC LIST LIST +0.6V -1.2V -55.8V -22.8V -0.6V +56.3V -55.7V +57.6V +55.8V -55.8V -57.6V -57V 0V +1.2V +56.3V -56.3V -0.6V ID+ ID- +57.6V -57.6V 0V +0.6V NC NAPS-9614 P915C P916C WHT C991 J271,272 MPP, MPA type only BLK 8A125V NAPS-9612 MDC type only NAAF-9616 BASSTREBLE
16、BALANCE R311 39K R313 100K R314 100K R335 330 R336 330 R337 1M R338 1M R344 330 R346 1M R302 1K R343 330 R301 1K R304 56K R303 56K R305 220K R306 220K C307 100/10 C312 182J C314 10/50 C345 223Z R316 330 R319 2.2K R324 330 R323 330 R331 330 R332 330 R307 820 R308 820 C971 223Z C928 100/50 C931 223Z R
17、461 100K D981 NC D982 NC C455 47/25 C456 47/25 R458 3.3K D983C981 NC D984 R315 330 R320 2.2K C319 NC P917C NC P917D NC R341 1M C953 4.7/50 + Q924 2SA965-Y D954 MTZJ4.7B R953 100K P917B NC C303 47/25 C304 47/25 R455 22K R456 22K Q452 DTC123JS E591 R932 330K R934 100(1/2W) R594 (1/2W) 2.2 R572 22K R57
18、1 33K Q582 2SC2240 C526 NC + C526A NC + C315 220/16 C581 100/16 R933 22(1/2W) C926 100/50 C983 NC D986 NC C982 222J D985 NC D924 GP104003E RL1N4003 R339 2.2K R340 2.2KC330 NC R935 R453 220K R451 3.3K R452 3.3K R454 220K R342 1M C320 NC R322 1M R919 1(1/2W) C925 334J R44210 R44110 R334 1M R333 1M R32
19、5 1M R345 1M R321 1M R317 1M Q362 2SA1015 R373 1K R37710K R37810K C372 47/25 C342 223Z C423 223Z C424 223Z C416 220/16 R491 47K R492 47K R493 270 Q492Q496 Q491 Q495 Q921 78M12 3O 2 G 1 I C919 330/35 J102 J593 C341 223Z J595 NC J594 NC C343 223Z J596 NC J900 J903 C371 47/25 J601NC R349 22K R350 22K C
20、918 1000/35 C918A NC C924 334J Q361 2SC1815 C365 220/16 C366 220/16 R362 68(1/2W) C361 220/16 C375 47/25 C376 47/25 C373 47/25 C374 47/25 R457 3.3K C310 682J C451 47/25 C452 47/25 C391 101K C392 101K C930 223Z C921 223Z C920 223Z R462 100K C415 220/16 E593 NC R951 (1/2W) 2.2 R952 (1/2W) 2.2 D952 1SS
21、133 D953 1SS133 E592 Q581 2SC2240 R574 47K C583 1/50 R575 220K D571 MTZJ5.1B R573 10K C582 223Z Q583 2SA970 R593 (1/2W) 2.2C525A NC + R310 470K C311 182J C313 10/50 R309 470K C309 682J R312 39K C308 100/10 C305 152J C306 152J Q403:A3 2 8 1 4 C453 101K C454 101K C459 103J C461 47/25 J503 NC C462 47/2
22、5 J504 NC R436 2.2K D491 1SS133 C443 NC J103 R435 220K C442 1/50 Q493 KRA102M C941 10/50 R420 4.7K R406 22K J502 NC Q401:B NJM2068L-D 6 5 7 C408 47/25 R402 1K C402 47/25 R408 3.3K R401 1K R405 22K 3 2 8 1 4 3 2 8 1 4 Q401:A 3 2 1 4 C401 47/25 R403 220K J501 NC R419 4.7K C407 47/25 C403 47/25 R407 3.
23、3K C404 47/25 C367 NC C368 NC C364 470/10 C362 220/16 C363 470/10 R361 68(1/2W) C381 823J C377 223J C379 474J R375 1.8K R376 1.8K C378 223J C382823J C380474J C38547/25 C38647/25 C38347/25 C384 47/25 R459 4.7K C457 NC Q403:B Q401, 403 : NJM2068L-D 6 5 7 C458 NC R496 100 R495 100 R494 270 D450 J901 R3
24、27 330 R328 330 JL913B 1 5 Q302 R2S15211FP 64 64 : INL9 63 63 : INR9 62 62 : INLA/RECL1 61 61 : INRA/RECR1 60 60 : INL8 59 59: INR8 58 INL7 57 INR7 56 INL6 55 INR6 54 INL5 53 INR5 52 INL4 51 INR4 50 INL3 49 INR3 48 INL2 47 INR2 46 INL1 45 INR1 44 AVEE 43 CLOCK 42 42 : DATA 41 41 : DGND 40MONO 39SUBL
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