Yamaha-HTR-5890-Service-Manual-2电路原理图.pdf

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1、2 ABCDEFGHIJ 1 3 4 5 7 HTR-5890 6 42 IC522IC521 IC525 2ch DIRECT 2 43 11,12 DAL IC505 9,10 6, 7 SPA, SPB LC1, LC2 1,3,5COAX 9,10 DAR Extend Port A,B,C 311,5 SPE, SPSB 8,9,10IC516IC518 DIRSD0 93 27 IC526 IC520 36,37 2,3 SDO0 27 1,2 SL IR Remote 25 72 IC512 SDO0 U851 28 47,48 SR 58 MIC 146 96 97 SDO1

2、2814STANDBY ON 26 OPT TID3 SDO1 45,46 SBL SW8574 FAN A,B,C,D 29 2127145 SDO2 43,44 SBR Program 117,118 114 PRI 74 DIRSD0 TID2 29 15SW855 30 SDO2 IC527 115 PRY 144 98SDO3 IC528 Volume123,124 OPT F5TID10 41,42 CL SW854 135LDD 31 3016 143 99 SDO4SDO3 39,40 CR Input Selector 125,126 135 PRD OPT1TID0 SW8

3、69 REC 1,232 38,39 SWL 141 PRV 20SDO53113 Key136,137 IC519 SDO4 32,33 SWR SW851-853 IC52033 SW856 57 2 ADC 92SDO6 IC529 5,7,1119 311 7 IC523 IC530 FL Driver 34 11,12 PL IC851 SDO7 323 SDO5 9,10 PR Reset Circuit FL Display V851 Q511, 512 MICIC855 31 IC854JK858 IC509 Head Phones FM/AMIC510IC516 IC513I

4、C521 3 1 12 921 IC501 5 7 147 67 31IC502,503 5 7 IC511 IC517 31BYL,BYR 57 IC514 7 5 3 3 1 4IC528Zone2 3457 CENTER FRONT L/R CD etc IC518IC529 3 1 53257 SURROUND L/R 57 63113 IC531 IC525 5 77 IC527 IC503 IC526 12,148 IC528 1/2 769 281SUBWOOFER 127 IC530 MAIN L/R 12 IC519 76 SUROUND L/R IC515 IC523IC5

5、04 2 1 12921 30 1 SURROUND BACK L/R PRESENCE/ ZONE2 PRESENCE/ ZONE2 6 7 14 767 Rec/ Source Selector 2 29 3 28 VOLUME FRONT L/R CENTER DAC DSP ANALOGDIGITAL SPEAKER OUT POWER AMP ANALOG MULTI 138 THM 3,4,5,6 3,4,5,6 IC509 99 98 97 96 95 94 93 92 AK4382AVT FL Decoder DD DD-EX DTS DTS-ES DTS 96/24 AAC(

6、J) IC501 IC504 Input Selector IC505 IC502,506 Rec Out Selector DIR REC OUT Zone2 OUT Zone3 OUT PHONO TUNER SEL. Zone3 Volume DSP YSS930 Auto Calibration YSS930 IC524 AK4358VQ AK4382AVTSelector Micro Computer M30805SGP PRE OUT YAC523 YAC520 YAC520 Multi ch Input Zone2 Volume Input Selector Rec Out Zo

7、ne2 Zone3 Selector SURROUND BACK L/R SURROUND L/R ADSDO SW858-866 SW870 ADL,ADR 25,26 Zone3 12,14 IC507 31 67 SUBWOOFER CENTER 30 33 2 IC524IC504 IC504 Rec*/ 19,12 CENTER SURROUND L/R SUBWOOFER PRESENCE L/R SURROUND BACK L/R PRESENCE/ ZONE2 Selector DSP See page 6364 SCHEMATIC DIAGRAM See page 6566

8、SCHEMATIC DIAGRAM FUNCTION See page 6566 SCHEMATIC DIAGRAM FUNCTION See page 67 SCHEMATIC DIAGRAM OPERATION See page 67 SCHEMATIC DIAGRAM OPERATION See page 68 SCHEMATIC DIAGRAM MAIN See page 70 SCHEMATIC DIAGRAM VIDEO I BLOCK DIAGRAM (1/2) RadioFans.CN 收音机爱 好者资料库 ABCDEFGHIJ 1 2 3 4 5 6 7 HTR-5890 4

9、3 I BLOCK DIAGRAM (2/2) Y 24 IC703 Input Selector SOURCE RY1F1 TE1 D246 +B IC607 IC601 2/2 G 5712 13 14 Y/C Mix. -B IC611 IC607 D32 IC23 1 13 +12 1515 2 G -12 IC601 1/2 IC24 3154 Q38 Y +2.5D IC609,610 IC21 Y +5D1 C Input Selector Input Selector IC22 +5D2 C C20 D33 D7-10 IC25 +5.6V G IC808 Cb/Pb -5 C

10、 Y Y IC26 Cr/Pr T1RY1 Q6 IC807 IC801,802,803 PORY Y Cb/Pb Cr/Pr Selector IC806 S-VIDEOCOMPONENTCOMPOSITE S-VIDEO MONITOR OUT COMPOSITE MONITOR OUT POWER TRANSFORMER COMPONENT MONITOR OUT DVD etc Input Selector IC603 IC602 DVD etc DVD etc SELOSD REC OUT Component Conversion V2400 only 1H Delay Line D

11、VD etc DVD etc DVD etc Selector Selector S9 SG REC OUT Y/C Separater 21 22 37 40 6 5 IC701 VIDEO See page 70 SCHEMATIC DIAGRAM CONVERSION See page 71 SCHEMATIC DIAGRAM See page 69 SCHEMATIC DIAGRAM POWER See page 68 SCHEMATIC DIAGRAM MAIN See page 67 SCHEMATIC DIAGRAM OPERATION RadioFans.CN 收音机爱 好者资

12、料库 2 ABCDEFGHIJ 1 3 4 5 7 HTR-5890 6 44 I PRINTED CIRCUIT BOARD (Foil side) J506 -12 INTDSP DMT /ICY /ICD SDM SCK /CSY DTV CD CD CBL/ SAT DVD DVR/ VCR 2 MD/ TAPE CD-R DVD DIGITAL OUTPUT DIGITAL INPUT FUNCTION (CB506) /CSDIR /ICTI +12 SPIRDY VBIT INTFCT /CSTI SDD /CSDAC PR SWR CR SBR E SR DAR E FUNCT

13、ION (CB504) CL SBL SWL PL DAL E SL ADR ADL E E E FUNCTION (W505) +2.5D DG POWER (3) (W27) +5D2 +5D1 +5D1 OPERATION (3) (CB861) AXD DGND 1 52 156 105 53104 208157 1 25 50 26 1 112 3625 24 13 37 48 8 16 9 1 1 4 8 15 1 1 1 3 1 120 4021 125 26100 5076 7551 1 18 169 25 26100 5076 7551 7 14 1 20 10 118 5

14、4 1 3 5 4 3 5 5 7 14 8 18 1 12 36 25 1324 4837 16 9 18 16 9 17 148 14 85 14 85 14 85 14 85 14 85 14 85 1 1 8 1 8 16 9 16 9 4 85 R843 R842 No service part available DSP P.C.B. (Side A) Lead Solder Used Semiconductor Location Ref. No.Location D501F3 D502F3 D509F3 D512G3 D513G3 D515E3 D516C4 D518C4 D52

15、0D6 D521D6 IC501G5 IC502G3 IC503F3 IC504G4 IC505G4 IC506G3 IC508F3 IC509G5 IC510E3 IC511D3 IC512E6 IC513D3 IC515E6 IC516E4 IC517E4 IC518D4 IC519D4 IC520C3 IC521C4 IC522C5 IC523B6 IC524C5 IC525B3 IC526B4 IC527B4 IC528B5 IC529B6 IC530B6 IC531D3 IC532D5 Q501D6 Q503D6 Q504D6 Q505D6 Q506D6 Q507D6 Q508D6

16、Q509C6 Q510C6 Q511C6 Q512C6 Q513B3 Q514B3 Q515B4 Q516B4 Q517B4 Q518B5 Q519B5 Q520B5 Q521B5 Q522B6 Q523B6 Q524B6 ABCDEFGHIJ 1 2 3 4 5 6 7 HTR-5890 45 I PRINTED CIRCUIT BOARD (Foil side) J505 R844 C813 C812 DSP P.C.B. (Side B) Lead Free Solder Used Ref. No.Location D510F2 D514E2 D517D3 D519D3 D524D6 D

17、525D6 D528D6 D529D6 D530D6 D531D6 D532D6 D533D6 D534D6 D535D6 D536D6 D537D6 D538C6 D539C6 D540C6 D541C6 D542C6 D543C6 D544C6 D545C6 D546C6 D547C6 Semiconductor Location 2 ABCDEFGHIJ 1 3 4 5 7 HTR-5890 6 46 I PRINTED CIRCUIT BOARD (Foil side) OPERATION (1) (CB859) RM2+ RM2- SCKN CEF0 RM3+ RM3- KEY0 K

18、EY1 +5.6V PSW REMI +5M2 VP BT232C KEY1B SDTN /FLR ISB PORY MG ISA OPERATION (1) (CB852) PGA PGB MG +5M2 VRA VRB RXD GTG KEY1B RTS MG TXD BOOT CTS /RES OPERATION (1) (CB864) /MIC /HP E HPL -12 +12 HPMT E HPR REC +5M2 MG MIC MAIN (1) (CB207) PRV FAN PDD SPZ2 VP S9 PORY MG SPB SPA SPE SPSB DSP (CB501)

19、/ICTI VBIT INTFCT /ICD /ICY DMT +12 INTDSP /CSTI /CSDIR /CSDAC SDD /CSY SCK SDM -12 SPIRDY POWER (3) (W24) -5V +5.6V V12 +12 -12 PRV VIDEO (2) (CB552) VIDEO (2) (CB551) RM3- RM3+ CTS RTS TXD RXD CES CPNTD +5.6V -5V RM2- RM2+ V12 +5M2 MG SVIDD VSY CEB DI CE +12T TUR TE TUL +5V SDA SCL TE Rclk/SCKN Rd

20、i/SDTN Rce Rdo DO CL SPZ2 CD PHONO FRONT(6CH)/ SB(8CH) SURROUND IN (PLAY) OUT (REC) MD/TAPE IN (PLAY) OUT (REC) CENTER/ SUB WOOFER CD-R MULTI CH INPUT VIDEO (6) (CB542) VIDEO (6) (CB544) V2R V1RL E V2RL Z3L E Z3R ZTL ZTR V2L V2RR DVL DVR E CBR V1RR E V1L V1R CBL TVR TVL DSP (CB505) E E POWER (6) (CB

21、28) SBL/Z2L SBR/Z2R E OPERATION(3) (CB862) AXR AXL AXE POWER (1) (CB22) LDD PRD PRIO LC1 LC2 E C E SL E E SR E R E L MG THM +5M2 VIDEO (4) (CB803) L E R E SL SR E C E SWFR SBL SBR E DSP (CB503) ADL ADR E E DAL DAR SL SR E E SBL SBR CR SWLSWR FL FR CL 1 45 8 110 2011 110 2011 1 4 8 5 1 4 8 5 8 1 116

22、3217 5 4 1 15 115 3016 30 16 1 15 30 16 115 3016 18 45 18 45 18 45 18 45 18 45 14 8 1 1 10 20 11 1 10 14 17 148 85 20 11 12 36 25 5 4837 1324 1 8 916 1 4 8 5 115 3016 14 85 14 85 14 85 1 36 108 73 3772 109144 124 4825 FUNCTION P.C.B. (Side A) Lead Solder Used Semiconductor Location Ref. No.Location

23、D512C3 D513B3 IC501H4 IC502H3 IC503H3 IC504E5 Ref. No.Location IC505D3 IC506H4 IC507H5 IC508E2 IC509G3 IC510G5 Ref. No.Location IC511F3 IC512B3 IC513E4 IC514F4 IC515F4 IC516E4 Ref. No.Location IC517E4 IC518F4 IC519E4 IC520C3 IC521D4 IC522C3 Ref. No.Location IC523C4 IC524E5 IC525F5 IC526G4 IC527H5 IC

24、528D5 Ref. No.Location IC529D5 IC530H5 IC531H4 Q501E2 Q505F5 Q506F5 Ref. No.Location Q509E3 Q516E3 Q537C5 Q538B5 Q539D5 Q540C5 Ref. No.Location Q541C5 Q542C5 Q543C4 Q544C4 Q548C5 Q549C5 Ref. No.Location Q550C5 Q551C4 Q554C4 Q557C5 Q558C5 Q559C5 Ref. No.Location Q560C5 Q561C5 Q562C5 ABCDEFGHIJ 1 2 3

25、4 5 6 7 HTR-5890 47 I PRINTED CIRCUIT BOARD (Foil side) FUNCTION P.C.B. (Side B) Lead Free Solder Used X : NOT USED O : USED / APPLICABLE Semiconductor Location Ref. No.Location D501C2 D502E5 D503C3 D504C3 D505C2 D506D3 D507E3 Ref. No.Location D509C2 D510B2 D511B2 D531D3 D532D3 D535D2 D536B4 Ref. No

26、.Location D537B4 Q502C2 Q503A5 Q504A5 Q507A4 Q508A5 Q510F3 Ref. No.Location Q511B2 Q512B2 Q513F3 Q514F3 Q515F3 Q517G5 Q518G5 Ref. No.Location Q519G4 Q520B4 Q521A4 Q522A4 Q523B4 Q525B4 Q526H4 Ref. No.Location Q527B4 Q528A4 Q529A4 Q530B4 Q532B4 Q533G5 Q534G5 Ref. No.Location Q535G4 Q536H4 Q545B5 Q546B

27、5 Q547C4 Q552A4 Q553A4 Ref. No.Location Q555B5 Q556B5 Circuit No.U, CA C517, 518XO 2 ABCDEFGHIJ 1 3 4 5 7 HTR-5890 6 48 OPERATION (2) P.C.B. (Side A) STANDBY /ON OPERATION (5) (W857B) FG +5M2 PSW MG E HPR E HPL HPMT /HPI -12 +12 OPERATION (1) (W854) OPERATION (1) (W855A) /HPI HOR E HOL 8 1 I PRINTED

28、 CIRCUIT BOARD (Foil side) OPERATION (1) P.C.B. (Side A) TUNING MODE AUTO/MANL MONO VOLUME INPUT PROGRAM MEMORY MANL/AUTO FM FL DISPLAY INPUT MODETONE CONTROL MULTI CH INPUT PRESET/TUNING PRESET/TUNING EDIT FM/AM A/B/C/D/E STRAIGHT EFFECT RM2+ RM3+ SCKN SDTN MG ISB KEY0 REM +5.6V VP RM2- RM3- /CEF0

29、/FLR ISA PORY KEY1 +5M2 PSW BT232C FUNCTION (CB509) FUNCTION (CB512) FUNCTION (CB505) RXD TXD CTS RTS MG VRA PGA GTG BOOT /RES MG +5M VRB PGB HPMT /MC -12 E E MG PDLED /HPI +12 HPL HPR MIC +5M2 +12 -12 /HPI HPMT HPL E HPR E E -12 MIC +12 /MC MG +5.6V KEY1B KEY1 PURE DIRECT LDLED FG +5M2 PSW MG NC FL

30、1 FL2 OPERATION (7) (CB25) OPERATION (4) (CB866) OPERATION (2) (W855B) OPERATION (8) (W859B) OPERATION (2) (CB859) Semiconductor Location Ref. No.Location D853G3 D861G4 D862G4 IC854I6 ABCDEFGHIJ 1 2 3 4 5 6 7 HTR-5890 49 OPERATION (2) P.C.B. (Side B) Lead Free Solder Used I PRINTED CIRCUIT BOARD (Fo

31、il side) OPERATION (1) P.C.B. (Side B) Lead Free Solder Used 64 1 1617 4948 33 32 Semiconductor Location Ref. No.Location D851G2 D854G2 D867D3 D869D3 D870D3 Ref. No.Location D871D3 IC851E3 Q851D2 Q852D2 Q853F3 Ref. No.Location Q854F3 Q857F3 Q858F3 Q859E3 Q864H6 Ref. No.Location Q865H6 Q867E3 2 ABCDE

32、FGHIJ 1 3 4 5 7 HTR-5890 6 50 I PRINTED CIRCUIT BOARD (Foil side) OPERATION (3) P.C.B. (Side A) AXD DG +5D2 AXR AXE AXL NC DSP (W501) FUNCTION (W502) AVE AVE AVE AXV AXC AXY AVE VIDEO (1) (CB603) VIDEO AUX AUDIOVIDEOS VIDEOOPTICAL LR FG E -12 MIC +12 /MC OPERATION (1) (W856) OPTIMIZER MIC OPERATION

33、(4) P.C.B. (Side A) /HPI HOR E HOL OPERATION (2) (W857A) PHONES SILENT CINEMA OPERATION (5) P.C.B. (Side A) BA SPEAKERS KEY1 KEY1B MG OPERATION (8) (W858A) OPERATION (6) P.C.B. (Side A)OPERATION (7) P.C.B. (Side A)OPERATION (8) P.C.B. (Side A) VI WH VI NC OR GY OR NC YE YE YE YE NC Power Transformer

34、 POWER (3) (W22B) OPERATION (1) (W851) -B5 G +B5 PRV2 -B4 +B4 PURE DIRECT MG KEY1B KEY1 LDLED PURE DIRECT KEY1 KEY1B +5.6V MG OPERATION (6) (W858B) OPERATION (1) (W859A) Semiconductor Location Ref. No.Location D32G5 D33F5 D868H5 ABCDEFGHIJ 1 2 3 4 5 6 7 HTR-5890 51 I PRINTED CIRCUIT BOARD (Foil side

35、) OPERATION (3) P.C.B. (Side B) Lead Free Solder Used 2 3 5 1 1 8 4 5 OPERATION (4) P.C.B. (Side B) Lead Free Solder UsedOPERATION (5) P.C.B. (Side B) Lead Free Solder Used OPERATION (6) P.C.B. (Side B) Lead Free Solder Used OPERATION (7) P.C.B. (Side B) Lead Free Solder Used OPERATION (8) P.C.B. (S

36、ide B) Lead Free Solder Used Semiconductor Location Ref. No.Location D860F2 D863C3 D864C3 D865B3 Ref. No.Location D866B3 IC853B2 IC855F2 Q866H5 2 ABCDEFGHIJ 1 3 4 5 7 HTR-5890 6 52 +B G -B +B G -B MAIN (5) (W202B) MAIN (5) (W203B) MAIN (4) (W208A) (W208C) (W208E) MAIN (4) (W206A) (W207A) POWER (5) (

37、CB1) MAIN (5) (W212B) (W213B) (W214B) FAN FANG +B2 PDD PRY MG S9 MAIN (3) (CB216) Sbr Sbl Power Transformer AC2H AC2H AC2L E E AC2L VL POWER (1) (W25) LDD +BL -BV -BL G NFR +5M2 MG THM1 VR NFL PRI PRD POWER (6) (CB30) PRD LDD G -BV +BL -BL L -B G +B R PRI LR PRESENCE / ZONE 2 + L SURROUND / SURROUND

38、 BACK R CE RE LE MAIN (5) (W215B) MAIN (3) (CB218) FUNCTION (CB510) SPE- SPE+ SPB- SPB+ SPA- SPA+ Sr +B G -B PRY PDD FAN SPB SPSb PRV MG S9 VP SPA SPE SPZ2 Sl I PRINTED CIRCUIT BOARD (Foil side) Lead Free Solder Used Semiconductor Location Ref. No.Location D201J4 D207G5 D208I5 D214H4 D215J4 D221G5 R

39、ef. No.Location D222I5 D228B4 D233C4 D234B4 D235C4 D236C4 Ref. No.Location D238D4 D239D4 D240E4 D241E3 D242E3 D243E3 Ref. No.Location D246E4 IC201J4 Q213G4 Q214I4 Q220AF4 Q220CG4 Ref. No.Location Q221AI4 Q221CI4 Q226AG4 Q226CG4 Q227AI4 Q227CJ4 Ref. No.Location Q248G5 Q255B4 Q256B4 Q257B4 Q258B4 Q261

40、C4 Ref. No.Location Q262D4 MAIN (1) P.C.B. (Side A) MAIN (2) P.C.B. (Side A) ABCDEFGHIJ 1 2 3 4 5 6 7 HTR-5890 53 + L FRONT A/B RCENTER MAIN (1) (W216) Sbl Sbr POWER (6) (CB29) NFSBL -BL PRI PRD VSBL LDD VSBR NFSBR MAIN (1) (W217) +B G -B MAIN (1) (W215A) MAIN (1) (W212A) (W213A) MAIN (1) (W214A) MA

41、IN (2) (W202A) (W203A) SPA+ SPA- SPB+ SPB- SPE+ SPE- POWER (1) (CB23) MAIN (1) (W206B) (W207B) MAIN (1) (W208B) (W208C) (W208F) VSl NFC VC G -BL -B +5M2 +B THM2 MG PRI NFSr Vsr NFSl -BSlSr C C CE +BG LR LERE I PRINTED CIRCUIT BOARD (Foil side) Lead Free Solder Used Ref. No.Location D206A5 D209B3 D21

42、0C3 D211D6 D212B6 D213A6 D216B3 D217D3 D218E6 D219D6 D220B6 D223B3 D225F4 D226G4 D227F4 D229F4 D231H4 D232G4 IC202A5 Q215B2 Q216C2 Q217E5 Q218C5 Q219B5 Q222AE6 Q222CE6 Q223AB6 Q223CC6 Q224AA6 Q224CB6 Q225AB3 Q225CB3 Q228AD5 Q228CE5 Q229AC5 Q229CD5 Q230AB5 Q230CB5 Q231AA2 Q231CB2 Q232AC2 Q232CD2 Q233

43、AC3 Q233CC3 Q250B3 Q251D2 Q252E6 Q253D6 Q254B6 Semiconductor Location MAIN (3) P.C.B. (Side A)MAIN (5) P.C.B. (Side A) MAIN (4) P.C.B. (Side A) 2 ABCDEFGHIJ 1 3 4 5 7 HTR-5890 6 54 I PRINTED CIRCUIT BOARD (Foil side) Lead Free Solder Used POWER (1) P.C.B. (Side A) +5M2 MG E E E Sl C LC2 PRIO LDD THM

44、 L R Sr E E E LC1 PRD FUNCTION (CB507) PRI PRD LDD +BL -BV -BL G NFR VR NFL VL +5M2 MG THM +5M2 THM MG PRI NFSr VSr NFSl VSl NFC VC G -BL -B +B MAIN (4) (CB205) MAIN (2) (CB215) DG G AG -B5 G +B5 PRV2 -B4 +B4 +12V +12 -12 PRV -5V +5.6V DG +5D2 +5D1 +2.5D VIDEO (4) (CB802) OPERATION (7) (CB26) FUNCTI

45、ON (CB511) DSP (CB504) POWER (3) P.C.B. (Side A) Ref. no. Location D0021F5 D0022E4 D0023F3 D0024F4 D0025E4 D0026F3 D0027E4 D0028F4 D0029D5 D0030D5 D0031E3 D0034E4 D0035E4 Ref. no. Location D0036I6 D0037I3 D0038B4 D0039C4 D0051F4 D0052F3 D0053F3 IC021I4 IC022I4 IC023I5 IC024I5 IC025I4 IC026I3 Ref. no

46、. Location Q0021F4 Q0022E4 Q0023E4 Q0024F4 Q0025F3 Q0026D4 Q0027D4 Q0028D3 Q0029F3 Q0030E4 Q0031D4 Q0032D4 Q0033D3 Ref. no. Location Q0034D4 Q0035D4 Q0036E3 Q0037F4 Q0038I5 Q0039B4 Q0040C4 Q0041B4 Q0042C4 Q0043B4 Q0044C4 Q0057F4 Semiconductor Location ABCDEFGHIJ 1 2 3 4 5 6 7 HTR-5890 55 I PRINTED C

47、IRCUIT BOARD (Foil side) Lead Free Solder Used AC OUTLET SWITCHED AC IN S9 SG PRY PDD +B2 G FAN MAIN (1) (W219) FAN Power Transformer FAN- NC FAN+ GY BR Z2V Z2C MG RM2+ RM3+ TRG2 VG Z2Y RM2- RM3- TRG1 12V VIDEO (2) (CB555) REMOTE CONTROL OUT +12V 15mA MAX. OUTIN SBR E SBL FUNCTION (W501) +BL -BV B L

48、DD PRD PRI -BL FSBR VSBR LDD PRD PRI -BL FSBL VSBL MAIN (2) (W218) MAIN (3) (CB217) POWER (5) P.C.B. (Side A) POWER (6) P.C.B. (Side A) POWER (7) P.C.B. (Side A) X: NOT USED O: USED / APPLICABLE Semiconductor Location Circuit No.U, CA CB6, 7OX F2OX J5XO R8OX Ref. no. Location D0001E4 D0006D3 D0007D4

49、 D0008D4 D0009D4 D0010E4 D0011D3 D0044E7 D0046E6 D0048E6 D0050E3 D0054E4 Ref. no. Location Q0002E3 Q0006D3 Q0045G3 Q0046G3 Q0047G3 Q0048G3 Q0049H3 Q0050H2 Q0051E6 Q0053F6 Q0055E3 Q0056E4 2 ABCDEFGHIJ 1 3 4 5 7 HTR-5890 6 56 I PRINTED CIRCUIT BOARD (Foil side) VIDEO (7) (CB751)VIDEO (8) (CB761) VRC VRB VG VRA VIC VIB VIA SCKN SDTN I/E R/Z /VR2 /VR1 Y VG VIN CIN C IN MONITOR OUT CD-R OUT OUT IN CBL /SAT DTV DVD S VIDEO DVR/ VCR 2 VCR 1 VIDEO (2) (CB55