Onkyo-TX8555-rec-sm 电路图 维修手册.pdf

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1、TX-8555 SERVICE MANUALSERVICE MANUAL RC-728M STEREO RECEIVER MODEL TX-8555 Ref. No. 4089 082008 Black and Silver models 120V AC, 60Hz 230 - 240V AC, 50Hz 230 - 240V AC, 50Hz B MDC B MPP, S MPP B MPA SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE P

2、ARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING T

3、HE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 TX-8555 EXPLODED VIEW TX-8555 A043 x 3 pcs. A040 x 2 pcs. A017 x 5 pcs. A015 x 3 pcs. A015 x 12 pcs. A037 x 2 pcs. A301 x 2 pcs. A029 x 3 pcs. A035 x 2 pcs. A019 x 4 pcs. E801 x 6 pcs. A035 x 2 pcs. A217 x 2 pcs. A205 x 24 pcs. P501A x 8 pcs. A02

4、5 x 3 pcs. A025 x 3 pcs. A031 x 5 pcs. A031 A035 A035 x 2 pcs. A035 x 3 pcs. A203 x 6 pcs. Q521A x 4 pcs. A023 x 3 pcs. A009 x 4 pcs. A213 x 3 pcs. A039 A212 A204 A204 A204 A013 A219 A211 A201 P715 P704 P901 U24 U26 U19U06 U05 T901 U23 U22 U04 U03 U28 U18 U25 U17 U01 U20 U21 A214 A001 A003 F901 F902

5、 F911 F912 F913 D911 Q521 Q524 Q522 Q523 F903 A021 A221 A020 A027 A033 A208 A207 A202 A209 A008 A210 A206 A007 A005 A045 A215 A047 A011 x 4 pcs. A010 x 4 pcs. RadioFans.CN 收音机爱 好者资料库 TX-8555 BLOCK DIAGRAM -B1 E +B1 PROTECT +7V -12V -7V +12V RI Z2VSWB Z2VSWA VSWA VSWB 12VTRGA 12VTRGB 12VTRGC +5V_DIS

6、+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 STEREO PLLSDA PLLSCL RDSCLK XM_L_OUT SR_L_OUT D+ D- I2S VOLDATA VOLCLK POFF APOWER FLAC2 FLAC1 -B3 +B3 SPRLA SPRLB THE

7、RMAL 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. THERMAL SENSOR SPEAKERS POWER AMP. CONTROL KEYS Q856 PHONO GAME/TV PHONO EQUQLIZER Q301 VOLTAGE REGURATOR TONE Q302 SE

8、LECTOR/ 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 SWITCH Q252 MONITOR OUT CONTROL 12V TRIGGER MDD type only RS-232 NC FL DRIVER Q851 FL DISPLAY Q852 ZONE 2 OUT FM/AM TUN

9、ER 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 Q901 NC PROTECT Q581-Q583 Q527,Q528 BASSTREBLE TONE DIRECT R PRE OUT SUBWOOFER L SIRIUS P502 IR LED 19 20 14 53 67 5

10、1 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 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 C926

11、D921 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 16 17 18 19 D931-D934 RL921 RL922 Q591 Q592 Q925 RL591 RL592 Q402 R415R409 Q452 Q835 Q491 R495 Q495 MUTING RL450 D914

12、 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 PC BOARD NAPS-9612 RL921, 922 : MDC type only J591, 592 : MPP, MPA type only NAAR-9631 ZONE 2/ XM PC BOARD D856 : NC

13、 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 BCDEFGH RadioFans.CN 收音机爱 好者资料库 TX-8555 SCHEMATIC DIAGRAMS-1 (SD-1) AMPLIFIER SECTION Refer to following table about the

14、 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 = 1 to 5. THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTME

15、TER) 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 UNLESS OTHERWISE NOTED. ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED. ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV. ALL CAPACITORS

16、 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 ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS. EX) PRINTING SIDE CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT. ! NOTE C915, 916 C911, 912

17、10000/698200/56 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 SIRIUS_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_G

18、ND 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 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

19、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 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

20、-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 BASSTREBLEBALANCE 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 220

21、K 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 R461 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

22、+ 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 R571 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

23、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 R325 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 R4

24、93 270 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 C918 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 R

25、457 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 1SS133 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

26、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 47/25 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

27、 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 3.3K 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

28、 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 R327 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

29、 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 38SUBR 37ADCR 36ADCL 35FRIN2 34FLIN2 33SRIN2 32SLIN2 31SWIN2 30CIN2 29SBRIN2 28SBLIN2 27TRE_R 26BASS_R2 25BASS_R1 24 AVCC : 24 23 TRE_L :

30、23 22 BASS_L2 : 22 21 BASS_L1 : 21 20 FRC 19 FROUT 18 AGND 17 FLOUT 16 FLC 15 6-C 14 6-OUT 13 AGND 12 5-OUT 11 5-C 10 4-C 9 4-OUT 8 AGND 7 3-OUT 6 3-C 5 2-C 4 2-OUT : 4 3 AGND : 3 2 1-OUT: 2 1 1-C : 1 80 SBRIN1 79 SBLIN1 78 SRIN1 77 SLIN1 76 SWIN1 75 CIN1 74 FRIN1 73 FLIN1 72 RECL3 71 RECR3 70 INL11

31、/RECL5 69 INR11/RECR5 68 INL10/RECL4 67 INR10/RECR4 66 INLB/RECL2 65 INRB/RECR2 (Top view) R404 220K R326 1M R329 1M R330 1M RL592 C533 102J C535 102J C536 102J Q592 DTC123JS Q591 DTC123JS R595 10(1/2W) C591 103J C592 103J D591D592 C534 102J RL591 P501P502 C531 102J C532 102J C301 471J C302 471J C52

32、5 NC + C922 47/35 C923 47/35 D361 D362 D361, 362 : MTZJ7.5B R363 470(1/4W) R364 470 (1/4W) R924 470(1/2W) R931 2.2K(1/4W) P701B 7 6 5 4 3 2 1 R463 220K R464 220K R371 1K R372 1K C388 474J J602 NC Q922 79M12 3O2 I 1 G JL401A 1 2 3 4 5 6 7 8 9 P705BP704B P706 (JOINT) D922 MTZJ33B JL918B 1 5 P702B 19 1

33、8 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Q301:B 5 6 7 Q301:A2 3 4 1 8 R900 NC R903 NC RL450 C527 LIST C528 LIST Q921A HEATSINK 4 31 2 R460 4.7K P917A NC C916 D911 D911 : D10XB60H C915 P916B P915B P914B RL922 Q925 DTC123JS JL716B TO NADIS-9671 SD-3 : C2 P371A 1 2 3 4 5 6 7 8 9 10 11 C962 4700/25 D

34、961 : RBV402 D3SBA20 C961 334J R599 390(1W) R598 390(1W) D951 1SS133 R925 10(1/2W) RL921 J591LIST J592LIST C911 C912 JL915BJL711B P302 P301 P303 R318 1M C426 NC C425 NC F913 3.15A125V J101 C316 220/16 J984J985 NC R352 NC 10(1/4W) R351 NC 10(1/4W) R354 10(1/4W) R353 10(1/4W) D920 RL1N4003 D921 RL1N40

35、03 D918 NC D931 D932 D933 D934 C428 334J C429 334J J982 J981 NC C317 331K C318 331K C321 331K C322 331K C323 331K C324 331K C325 331K C327 331K C328 331K C329 NC C331 331K C332 331K C326 331K R508 47 R578 120K R562 270 Q534 C530 NC R504 27K C504 101K C514 47/25 + R524 (1/2W) 82 R532 18K R590 3.3K R5

36、26 (1/2W) 68 R528 (1/2W) 82 R502 470 C502 47/50 + R520 1K R506 10 C508NC R512 5.6K R564 100K Q530 R510 47 R518 1K C598 NC Q510 R566 120K Q506 R522 (1/2W) 82 C596 NC R536 18K Q502Q504 Q508 D512 1SS133 Q516 C506 220/25 + C516 101K R588 2K Q514 C512 NC R530 (1/2W)47 R570 22 R542 (1/2W) 2.2Q524 R568 22

37、R556 (1W) 8.2 R554 47K C510 10/50 + R534 56K Q518 Q520 P598A NC C520 104J R546 22K R540 (1/2W) 2.2 R544 (1/2W) 220 R552 33K J692 NC P598B NC C518 473J Q528 L502 R548 0.22(5W) Q522 R580 330 R582 5.6K R584 3.9K Q532 R514 56K R592 (1/4W) 2.2 J512 J514 NC R558(1/4W)2.2 C524 020C C522 10/50 + R550 R586 L

38、IST R516 P512 R507 47 R577 120K R561 270 Q533 C529 NC R503 27K C503 101K C513 47/25 + R523 (1/2W) 82 R531 18K R589 3.3K R525 (1/2W) 68 R527 (1/2W) 82 R501 470 C501 47/50 + R519 1K R505 10 C507NC R511 5.6K R563 100K Q529 R509 47 R517 1K C597 NC Q509 R565 120K Q505 R521 (1/2W) 82 C595 NCR535 18K Q501Q

39、503 Q507 D511 1SS133 Q515 C505 220/25 + C515 101K R587 2K Q513 C511 NC R529 (1/2W)47 R569 22 R541 (1/2W) 2.2 Q523 R567 22 R555 (1W) 8.2 R553 47K C509 10/50 + R533 56K Q517 Q519 P597A NC C519 104J R545 22K R539 (1/2W) 2.2 R543 (1/2W) 220 R551 33K J691 NC P597B NC C517 473J Q527 L501 R547 0.22(5W) Q52

40、1 R579 330 R581 5.6K R583 3.9K Q531 R513 56K R591 (1/4W) 2.2 J511 J513 NC R557 (1/4W) 2.2 C523 020C C521 10/50 + R549 LIST R585 LIST R515 LIST P511 8 9 10 12 11 R921 0.47(1/2W) JL913A 15 16 19 18 14 R922 0.47(1/2W) JL917A R923 4.7(1/2W) P914A RED P915A BLK P916A WHT 17 13 C992 104J C991 LIST C993 10

41、4J P914C RED JL915A J722 J721 F912 J911 NC J912 NC D912 D10XB60H F911 P919 JL917B 1 5 JL918A R418A 4.7K C406A 473J C412A 153J JL401C 9 8 7 6 5 4 3 2 1 R393A 250K 4 192 83 R417A 4.7K R409A 100KC R413A 1K R414A 1K R409A 100KC C405A 473J R421A NC C409A 224J R411A 220 C410A 224J R422A NC R412A 220 C411A

42、 153J R415A 50KC C413A 823J C414A 823J R415A 50KC PHONO EQUALIZER POWER AMP. L ch POWER AMP. R ch SELECTOR/ TONE/ VOLUME U01 AMPLIFIER PC BOARD U06 TONE CONTROL PC BOARD U05 TRANS. SEC. TERMINAL PC BOARD To POWER TRANS. SD-4 : E2 NAETC-9678 NC P503 PHONES 3 2 1 C875 102J C874 102J JL711A 3 2 1 L854

43、220M L855 220M L856 220M P504 C876 Q505, 506 : 2SC2240-GR, -BL Q501- 504 : 2SC2240-BL Q507 - 510, 513, 514 : 2SA949-Y Q515, 516 : 2SC2229-Y Q531 - 534 : 2SC1740S-S R587 : IDLING ADJUST R588 : IDLING ADJUST Q527, 528 : 2SC2229-Y, -O MPP, MPATYPE-MDC Refer to following table about the parts displayed

44、by mark LIST. R549, 5503.3K2.7K R585, 586470820 R515, 5161.5K1K To NAAF-9616 SD-1 : A5 TONE CONTROL PCB Rch Lch U26 HEADPHONE JACK PC BOARD C527, 52847/10047/63 LIST LIST LIST LIST 8A125V C993 : MPP, MPA type only To NAAF-9610 SD-1 : D2 AMPLIFIER PCB 334/100334/50 J591, 592NoneYes Lch -12V +12V MUTI

45、NG + V Q529, 530 : 2SC2458-GR, BL D924 : Q517, 518 : 2SC5171 Q519, 520 : 2SA1930 Q521, 522 : 2SC5200 Q523, 524 : 2SA1943 None104J DIRECT Rch Lch Rch PURE AUDIO ON/OFF OFF U03 RECTIFIER PC BOARD NAPS-9612 Q301 : NJM4558D-X ON+57V +9.5V -9.5V 0V A 1 2 3 4 5 BCDEFGH TX-8555 SCHEMATIC DIAGRAMS-2 (SD-2)

46、MICROPROCESSOR SECTION 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 = 1 to 5. THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTMETER) IS

47、DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED. ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED. ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED. ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV. ALL CAPACITORS ARE IN

48、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 ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS. EX) PRINTING SIDE CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT. ! NOTE U20 THERMAL SENSOR PC BOARD

49、 A_MUT THERMAL GND_MPU AMUT Z2MUT RDSCLK LEDZONE2 LEDSTBY FLDSDO FLDCLK FLDRST KEYINT3 KEY2 +5VDIS GND_TU +9V_TU RI GND_MPU VOLCLK SIRIUSRST ECONRST ECONSEL SIRIUSRX SIRIUSTX FTXD FRXD THERMAL STEREO REMIN XMDACRST SEC1H PROTECT FLDCS KEYINT2 KEYINT1 KEYINT0 KEY3 KEY1 KEY0 RLGND +22VS POFF APOWER TRGA TRGB TRGC SD APOWER VMUTV1 VMUTMON Z2VMUT RI SD STEREO PLLSCL TU_L_OUT TU_R_OUT RDSDATA PLLSDA RDSCLK +5VDIS +5VCPU POFF POFF2 VOLB VOLA IRIN_A_LED+ IRIN_A_LED- IRIN_B_LED+ IRIN_B_LED- TRGC TRGB TRGA Z2MUT AMUT +10S E