Pioneer-VSX49TXI-avr-sm电路图 维修手册.pdf

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1、 ORDER NO. PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01

2、, Singapore 159936 PIONEER CORPORATION 2002 STANDBY/ON OFFON STANDBY DVD/LDTV/DVDSATVIDEO VIDEOAUDIO VCRVCR2VCR3CDTUNERPHONO MAC3 CD-R/ TAPE1/MD MULTI CH INPUT LISTENING MODE SELECTOR MASTER VOLUMEINPUT SELECTOR VSX-49TXi AUDIO/VIDEO MULTI-CHANNEL AMPLIFIER UPDOWN VSX-49TXi RRV2644 AUDIO/VIDEO MULTI

3、-CHANNEL RECEIVER VSX-49TXi THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). ModelTypePower RequirementRemarks VSX-49TXIKU/CAAC120V For details, refer to Important symbols for good services . T-ZZR AUG. 2002 printed in Japan RadioFans.CN 收音机爱 好者资料库 http:/receiverfaq.ru/ VSX-49TXi20 1

4、234 1234 C D F A B E 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM A FM/AM TUNER MODULE R MOTHER ASSY(1/5) L ANALOG IN & A/D ASSY R MOTHER ASSY(2/5) R MOTHER ASSY(3/5) R MOTHER ASSY(4/5) SDSP ASSY I MIC & OPT ASSY(2/2) H MIC AMP ASSY I MIC & OPT ASSY(1/2) J FRONT A/V ASSY B A/V I/O ASSY A

5、NT DVD/LD L VCR1 PLAY L VCR2 PLAY L VCR3 PLAY L TV L SAT L IC2001 TC9164AF A/V Function Selector IC2002 TC9162AF A/V MR Function Selector PHONE L CD L 27 MR VOL MIC AMP DIR & DIT DSP 1 & 2 DSP U-COM RF Demodulator IC2051-1/2 UPC4570C IC2053-2/2 BA4558F IC2052 M62429FP 3 3 2 2 1 1 L CH CN2705 (13P) 7

6、7 CN5802 (13P) CN5814 (20P) CN3401 (20P) TXLTXL VFUNCL MR OUTL RECL 2020 CN2002 CN5821 CN3205 CN3202 JA3202 SETUP MIC CN5820 MICFV L 112 1 22 12 F OPT OPT5 IN 2 8 5 CN2001 (17P) CN5806 (11P) CN3207 (11P) CN2001 (17P) (17P) (17P) 14 8 4 26 25 24 22 VCR3 REC L MR OUT L VCR1 REC L VCR2 REC L VIDEO L CO

7、AX IN OPT IN JA1 JA2 DIGITAL IN 21 18 23 IC3422 TC9163AF Audio Function Selector IC3901 BU4052BCF Audio MR Function Selector IC3401 TC9163AF A/D Mode Selector IC3461 AK5383VS Surround D/A Converter 27 26 24 20 87 20 17 19 TAPE1 PLAY L 23 1311 17 TAPE2 PLAY L 19 TAPE1 REC L 18 TAPE2 REC L FL IN 22 21

8、 25 IC3423-2/2 M5220P 5 6 7 SL IN IC3462-2/2 UPC4570C 5 6 7 IC3701-2/2 6 5 7 IC3702-2/2 6 5 7 IC3424-1/2 UPC4570C 5 6 7 IC3201-1/2 M5220FP Q3204 3 2 1 27 15 14 2022 4 15 5 23 2426 27 IC3421 AK5383VS Front D/A Converter IC3502-2/2 NJM2068D 6 5 7 4 15 5 IC3441 AK5383VS C/SW D/A Converter IC3601-2/2 6

9、5 7 IC3602-2/2 6 5 7 4 15 5 IC3481 AK5383VS Back D/A Converter IC3801-2/2 6 5 7 IC3802-2/2 6 5 7 4 15 5 1719 18 26 24 23 5 18 25 22 21 20 19 17 1 711 MIC MIC CN3206 CN3204 33 FV L SLOUT FLOUT COUT SBLOUT FV L VFUNC INL MR LOUT MC CIN CN3401 (20P) 8 MC SBLIN 4 16 12 EX FLOUT SBLOUT COUT FLOUT SLOUT E

10、X SBLOUT EX COUT CN3402 (17P) 6 EX SLOUT 10 14 2 ADFFDT ADSRDT ADCWDT CN3403 (30P) CN5816 (30P) CN5810 (17P) 5 ADSBDT AF DATA AS DATA AC DATA AB DATA 1 3 7 5 1 3 7 6 2 4 8 CN702 (17P) CN703 (9P) CN705 (22P) CN401 (22P) CN709 CN707 CN5809 (9P) CN5804 (5P) CN3201 (5P) 12 16 14 10 5 AO 1394 MODULE Refe

11、r to section 3.1.4 1394 MODULE Block. (S) (C) (SB) (S) (F) (F) (F) (F) (S) (C) (SB) (F) (MR) (MR) (REC) (REC) (REC) (REC) (MR) RadioFans.CN 收音机爱 好者资料库 VSX-49TXi21 5678 56 7 8 C D F A B E R MOTHER ASSY(5/5) Q VR & PRE OUT ASSY V POWER AMP (L) ASSY W POWER AMP (C) ASSY UDAC 10 ASSY TDSP 3 ASSY X POWER

12、 AMP (R) ASSY AJ SP (B) ASSY EXC IN EXSBL IN SURROUND L 1 | 4 1 | 4 7 DSP 3 IC5001 TC9274N-016 Mode Selector 5 4 2 6 3 1619 18 810 7 13 11 12 14 12 14 15 13 Surround Main Volume Voltage Amp Voltage Amp Current Amp Surround Back Selector Current Amp IC5061 TC94A07F IC5084-2/2 BU4052BCF 75 3 2 1 PREOU

13、T CENTER1 L/SW Main Volume IC5041 TC94A07F 75 3 2 1 SB L Surround Back Main Volume IC5081 TC94A07F 75 3 2 1 L L Front Main Volume Pre-Amp IC5021 TC94A07F 75 IC5022-1/2 OPA2134PA Pre-Amp IC5082-1/2 OPA2134PA Pre-Amp IC5042-1/2 OPA2134PA Pre-Amp IC5062-1/2 OPA2134PA Front Digital Filter IC6021 DF1706E

14、 D/A Converter Same as the above circuit. IC6101 PCM1704U-1 124 2 3 1114 IC6103 NJM5534DD 6 5 7 IC6105-2/2 NJM2068D 3 2 1 IC6105-1/2 NJM2068D 3 2 1 K HEADPHONE ASSY PHONES VFUNCL MC C MC SDL EXFLIN EXSBLIN EXCIN EXSLIN SBLIN SLIN CIN FLIN MR OUTL RECL SBLO SLO CTO FLO CN5815 (17P) CN5814 (20P) CN582

15、0 (17P) 8 4 16 12 14 8 4 CN5817 (9P) CN5818 (30P) CN5819 (24P) CN5813 (17P) 4 8 3 6 10 14 2 5 9 13 1 IC5181-1/2 NJM2068D 2 3 1 IC5181-2/2 NJM2068D 6 5 7 IC5023-1/2 NJM2068D 2 3 1 IC5023-2/2 NJM2068D IC4601 PA9008A IC4602,IC4603 PBD001A 6 5 7 IC5043-1/2 UPC4570C 3 2 1 IC5083-1/2 UPC4570C 3 2 1 6 2 10

16、 14 28 24 20 CN5002 (9P) CN5001 (30P) CN5003 (24P) 4 8 3 5 9 13 1 28 24 20 FL SL SBL HPL CT CN5006 (14P) 10 8 12 14 FL SL SBL CT F CW S SB C CN4801 (8P) CN4805 (15P) 2 CN6004 (17P) CN4805 (15P) J4801 7 CN4807 (15P) 6 CN4807 (15P) CN4807 (15P) CN4808 5 7 3 1 2 3 4 1 FRONT IC4301 PA9008A IC4302 PBD001

17、A CG1+ ORG FBL FLO RY1201 RY1202 RY1203 RY1204 CO SLO SBLO 6 CN4805 (15P) 3 3 CN3203 (4P) CN1206 (4P) 3 J1206 CN1007 CN1006 10 | 13 10 | 13 Current Amp CN4806 8 CN4808 CN501 CN6002 IC4303 PBD002A CG1- 8 CN4806 IC4401 PA9008A IC4402,IC4403 PBD001A IC4101 PA9008A IC4102,IC4103 PBD001A CN1203 2 3 4 1 C

18、N1201 SPA FL FR SPC SL SR SBL SBR SPB CN1202 FL FR RY1003 FLO : Audio Signal Route (F) : Audio Signal Route (C) : Audio Signal Route (MR) : Audio Signal Route (REC) : Audio Signal Route (S) : Audio Signal Route (SB) : Audio Signal Route (SBL) 3 6 CTO 10 SLO 14 SBO (C) (C) (C) (C) (C) (C) (S) (S) (S)

19、 (S) (S) (S) (SB) (SB) (SB) (SB) (SBL) (SB) (MR) (F) (F) (F) (F) (F) (F) (S) (S) (S) (C) (C) (C) (C) (C) (C) (F) (F) (C) (S) (SB) (SBL) (C) (S) (SB) (SBL)(SBL) (SBL) (SBL) (F) (F)(F) (F)(F) (C) (C) (SB) (SB) (MR) (REC) RadioFans.CN 收音机爱 好者资料库 VSX-49TXi22 1234 1234 C D F A B E 14 13 315 14 13 DS-VIDE

20、O ASSY CCOMPOSITE ASSY R MOTHER ASSY(1/2) J FRONT A/V ASSYH MIC AMP ASSY G VIDEO CONNECT ASSY F COMPONENT ASSY DVD/LD Y Y C C C C C Y Y Y Y C IC2301 TC74LVX4051FT Video Function Selector (Y) 14 MONITOR OUT Y C TV/HDTV SAT VCR1 VCR2 C Y S-VIDEO VCR3 VIDEO 15 2 5 1 12 4 3 143 IC2303 TC74HC4053AFT S/OS

21、D SW (Y) IC2307-1/2 TK15420M +6dB 75 5 13 12 14 4 IC2308 NJM2296M REC OUT Selector (Y) 13 3 15 11 1 IC2302 TC74LVX4051FT Video Function Selector (C) IC2101 TC74HC4051AFT Video Function Selector (COMPOSITE) IC2103 TC74HC4053AFT OSD Input Selector Q2108 IC2107 TC74HC4051AFT Video MR Function Selector

22、(COMPOSITE) FY FC OSD C Y Y C OSD VIN 9 7 10 14 15 2 5 1 12 4 3 IC2304 TC74HC4053AFT S/O OSD SW (C) 5 13 12 2 14 4 IC2105-1/2 TK15420M +6dB AMP IC2105 (2/2) TK15420M +6dB AMP 75 75 75 MONITOR OUT 2 Y 3 C IC2307-2/2 TK15420M +6dB 75 VCR1 OUT VCR2 OUT VCR3 OUT C 15 Y Y Y IC2309 NJM2296M REC OUT Select

23、or (C) 13 3 15 11 1 CN2301 (17P) CN5823 (17P) CN5806 (11P) 18 CN5822 (19P) CN3204 (8P) CN3206 (8P) CN3207 (11P) CN2101 (19P) CN2306 (8P) 371 CN2102 (12P) 315 CN3303 (10P) 315 CN2502 (10P) 6 5 8 6 5 8 3 2 5 DVD/LD MONITOR OUT 75 MR OUT 15TV/HDTV 2SAT 5VCR1 IN 1VCR2 IN 12VCR3 IN 4 F-VIDEO FV-Y CVOUT V

24、I VO CVIN FV-C F-VIDEO FV-Y FV-C CN3302 (8P) CN3304 (18P) CN3301 (12P) 3 1 5 9 3 5 7 15 13 11 1 3 1 7 F-VIDEO FV FV-Y FV-C 18 FV VIN VOUT OSD VIN VOUT OSD 143 15 2 5 54 3 IC2102 TC74HC4053AFT I/O Selector IC2104 PDC084A OSD 1314 151 1315 1413 3 IC2501 TC74LVX4052FT Video Function Selector (CY) IC250

25、3 TC74LVX4053FT Input SW (COMPONENT) IC2502 TC74LVX4052FT Video Function Selector (Cb, Cr) Y COMPONENT IN1 5 4 3 15 1 14 13 Cb 1314 Cr IC2105-1/2,2/2 OPA2652U +6dB AMP IC2106-1/2 OPA2652U +6dB AMP 75 Y 75 Cr 75 Cb VOUT Y C OSD CYOUT CbOUT CrOUT CYOUT CbOUT CrOUT Video Block 2 1 6 5 7 3 2 1 6 5 7 3 2

26、 1 3 2 1 6 5 7 (Y) (Y)(Y) (Y) (Y) (Y) (Y) (Y) (Y) (OSD)(OSD) (OSD) (OSD) (OSD) (OSD) (OSD) (OSD) (OSD) (OSD) (OSD) (OSD) (Y) (Y) (Y) (C) (C) (C) (C) (C) (C) (Y) (C) (C) (C) (C) (C) (C) (C) (Y) (C) (Y) (C) (CY) (Cb) (Cr) (CY) (Cb) (Cr) (CY) (Cb) (Cr) (CY) (CY) (CY) (Cb) (Cb) (Cb) (Cr) (Cr)(Cr) (CY) (

27、Cb) (Cr) (Y) (C) (C) (C) (C) (C) (C) VSX-49TXi23 5678 56 7 8 C D F A B E E V-CONVERT ASSY M DISPLAY ASSY R MOTHER ASSY (2/2) P VOL ASSY B A/V I/O ASSY SR IN CN2852 (18P) IC2855-1/2 TK15420M Y 0dB Buffer 1413 IC2859-1/3 TC74LVX4053FT OSD SW (Y) VIN 9 3 5 7 15 13 11 1 VOUT Y C OSD CYOUT CbOUT CrOUT Di

28、splay Block Q2904 IC2851 TC90A49F Y/C SEP. IC3002 BU2092F LED Driver IC3001 PD5686A Display U-COM IC3001 PD5685A9 Main U-COM V3001 FL Display 5 20 24 Q2853 IC2856-1/2 TK15420M Y Invert Buffer IC2857-2/2 TK15420M IC2857-1/2 TK15420M IC2854-1/2 TK15420M LPF (Chroma) 151 IC2859-2/3 TC74LVX4053FT Q2854

29、IC2855-2/2 TK15420M C 0dB Buffer IC2856-2/2 TK15420M Y/C MIX AIN YOUT COUT IC2860 TC74LVX4053FT OSD SW (C) 34 5 IC2859-3/3 TC74LVX4053FT 34 5 IC2853 TA1270BF Chroma Decoder 6 8 20 21 220dB Buffer IC2858-1/2 TK15420M 0dB Buffer IC2858-2/2 TK15420M 0dB Buffer IC2854-2/2 TK15420M 0dB Buffer 11 7 CN3001

30、 (17P) 30033103 CN5807 (17P) RMC REMOTE RECEIVER UNIT Control Signal IR IN RMC SR OUT CN5821 (17P) 16 17 15 CN2002 (17P) 16 17 15 SR OUT O MULTI JOG ASSY 30023102 N INPUT SEL ASSY 30043104 3 3 3 2 2 2 1 1 1 5 5 6 6 7 7 5 6 7 5 6 7 5 6 7 2 3 1 2 3 1 : VIDEO SIGNAL ROUTE : VIDEO SIGNAL ROUTE (Y) (Y) :

31、 VIDEO SIGNAL ROUTE (C) (C) : Y SIGNAL ROUTE (COMPONENT) : Cb SIGNAL ROUTE (COMPONENT) (Cb) (CY) : Cr SIGNAL ROUTE (COMPONENT) (Cr) : VIDEO SIGNAL ROUTE (OSD) (OSD) (OSD) (OSD) (OSD) (CY) (Cb) (Cr) (CY) (Cb) (Cr) (Y) (Y)(Y) (Y) (C) (Y) (C) (Y) (Y) (Y) (Y) (Y) (C)(C) (C) (C) (CY) (CY) (Cb) (Cb) (Cr)

32、(Cr) (CY) (Cb) (Cr) (CY) (Cb) (Cr) (C) (C) (C)(C) VSX-49TXi24 1234 1234 C D F A B E CN1104 (14P) SP (B) ASSY AM AJ AB AC TRANS (A) ASSY AK DIODE ASSY AN TRANS (B) ASSY AL FUSE ASSY AE FL SUPPLY ASSY AC PRIMARY ASSY AI DSP DIODE ASSY AA LOCAL SUPPLY ASSY AD SP (A) ASSY POWER SW ASSY FU1 RY1002 T1101

33、D1101 IC1101 NJM78M56FA IC1102 NJM79M24FA POWER RY1001 IC4023 IC4024 IC4035 IC4036 IC4047 IC4045 IC4046 2 1 LIVE NEUTRAL +13V RY-24V RY-24V RY-24V RY-24V CN1002 CN1601 1 2 3 CN1003 CN1005 Power Supply Block 9 1 7 1 7 1 7 CN1105 CN1301 3 1 3 1 SW1301 CN1001 (10P) CN1701 (3P) CN5004 (6P) CN5005 (8P) C

34、N4811 (8P) CN4809 (11P) CN1801 (12P) CN1803 (4P) CN1901 (4P) CN1802CN4001 CN1101 (10P) CN1102 (7P) J4001 (2P) CN4004 (9P) CN1103 (8P) 5 3 1 9 1 ST+12V VL AC1 FL VF VH AC1 VH AC2 VH AC1 +27VF VH AC2 FL AC1 FL AC2 FL VF FL AC1 FL AC2AC2 VA AC1 VA CT VA AC2 VA AC1 VA CT VA AC2 VD ACT GRY BRN +VL (+54V)

35、 -VL (-54V) BLU VL AC2 ST+5.6V VP+9V +5VP +5VD +5VP 7 CN1205 (8P) T1 Power Transformer IC1703 FU4 4A D1501 D1502 D1903 D4002 IO D4003 D4004 D1701 Q1901 FAN -27V CN5801 (14P) 5 3 ST+5.6V FAN -27V RY-24V 4 3 2 1 5 CN1702 6 5 4 3 2 7 6 7 8 9 10 11 12 5 4 3 2 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 8 1 2 5 3 4 6

36、7 8 CN5805 (9P) 1 2 5 3 4 6 7 8 J4004 (6P) 1 3 4 6 3 2 1 3416 3 2 1 CN1902 (4P) 3 2 1 4 1 2 4 1 2 6 7 CN4810 (9P) 6 5 CN5003 (24P) 8 7 10 5 CN5819 (24P) 8 7 10 5 3 1 RED VD CT VD AC2 VP AC1 VP AC2 VD AC1 VD CT VD AC2 VP AC1 VP AC2 FU5 2A FU6 2A FU7 2A FU8 2A REG. Q4052 REG. Q4051 REG. AC1 VH VH 3001

37、 1 2 3 J4002 3 4 J4002 11 CN1904 CN1904 3 4 AC1 AC2 M DISPLAY ASSY Q VR & PRE OUT ASSY R MOTHER ASSY Y POWER AMP (BR) ASSY X POWER AMP (R) ASSY V POWER AMP (L) ASSY +13V U+5.6V ST+5.6V U+5.6V ST+5.6V V+16 A+20 V-16 AC1 AC2 REG. REG. IC4011 LM10851T-5.0 IC4021 LM2940CT-5.0 REG. D4005 1 3 IO IC4022 NJ

38、M79M05FA REG. IO IC4033 NJM78M56FA REG. IO IC4031 LM2940CT-5.0 REG. IO IC4032 NJM79M05FA REG. IO IC4043 NJM78M15FA REG. IO IC4041 NJM7820FA REG. IO IC4042 NJM7918FA IC5002 NJM78M15FA IC5003 NJM79M15FA REG. REG. REG. IO +5V REG. -27VF +55VH V+27 V+27 V-27 V+20 V-20 -55VH -VH +VH -VH -VH +VH +VH CN480

39、5 (15P) 11 10 -VH +VH -VH +VH CN4803 (11P) 6 7 CN4804 (9P) 6 5 V+20 V+5D V-5D V+5U V12T V+20V V+5V V-5V V-20V V-20 V+20 -5VD +5.6VU +5.6VV -5.6VV +15VT +20VA -20VA W POWER AMP (C) ASSY CN4807 (15P) 11 10 -VH +VH VST5 CN3001 (17P) 2 1 V+5U VST5 CN5807 (17P) 16 17 CN4002 (3P) VSX-49TXi25 5678 56 7 8 C

40、 D F A B E 8 7 F COMPONENT ASSY G VIDEO CONNECT ASSY E V-CONVERT ASSY V+5C V-5C CN704 (2P) CN705 (22P) 2 CN402 (16P) 2 CN501 (16P) 2 CN706 (14P) 1 VD3U VDD5 AO CN5802 (13P) CN5821 (17P) CN2705 (13P) CN2002 (17P) 117 +5VP VDD5 VDD5 VD5V 6 3 6 3 41 Q5805 REG. T DSP3 ASSY S DSP ASSY A B FM/AM TUNER MOD

41、ULE A/V I/O ASSY C COMPOSITE ASSY IC713 PQ3DZ13 REG. VD3A IC305 PQ3DZ13 REG. V+3B IC415 PQ3DZ13 REG. V1RB IC416 PQ7VZ5 REG. IC5809 NJM79M15FA REG. VE15 V-15 IC5807 NJM79M15FA REG. IC5808 NJM78M15FA REG. V+15 VC15 IC5806 NJM78M15FA REG. VD3C IC505 PQ3DZ13 REG. CN6001 (14P) CN6003 (7P) 1 U DAC10 ASSY

42、V+3DD V+15V+5D V-5D V-15 IC6001 PQ3DZ13 REG. VDD5 CN401 (22P) 12 13 1394 MODULE V+3D V+2D IC1 NJM2391DL1-33 IC2 MM1562FF REG. REG. 3 13 12 7 41 CN5812 (7P) 37 V+15 V-15 V-5D V+5D V+15 V-15 V-5D V+5D +10V +10V VC15I VC15 VE15I VC15 VE15 VE15 CN5823 (17P) CN2301 (17P) 15 16 15 16 CN2306 (8P) 8 7 CN330

43、2 (8P) CN3301 (12P) CN3304 (18P) CN2852 (18P) CN2102 (12P) 8 7 CN3303 (10P) 8 7 109 1817 1817 109 D S-VIDEO ASSY V+5.6V V+5 V-5.6V V+5S V-5 CN5806 (11P) CN2307 (11P) 11 6 1 6 H MIC AMP ASSY A+20V V+20 A-20V A+20V A-20V V-20 CN5816 (30P) 19 L ANALOG IN & A/D ASSY VC15I VC15 VE15I VC5A VC5D VE15 V+5D

44、V-5S V+5V V+5V V-5V V-5V V+5V V-5V V+5V V-5V V+5Z V-5Z CN2502 (10P) 18 20 21 19 18 20 21 CN3403 (30P) VC15I VE15I VC5D VC5A VC3A VC5AAVC5F VC3F IC3402 PQ3DZ13 L3401 L3402 REG. L3421 L3422 VSX-49TXi26 1234 1234 C D F A B E AO1394 MODULE IC201 TSB43CA43GGW iceLynx-Micro (Mercury) IC301 XC2S50-5TQ144C

45、Rate Controller (FPGA) IC401 SM5816AF DSD Converter (SACD LPCM) IC405 CY22381FC 512fs PLL IC306 PE9014A PROM IC403 TC7SZ126FU 5352 74 2324 76 62 X201 24.576MHz 60958 SACD_DA MCLK XTAL IN CLKC MCLK SACD_D0-D5 IC302 K4S641632F-TC75 64M SDRAM IC203 BU2370FV VCO (PLL) IC101 PD5787A HOST CPU IC202 AYW702

46、2 4M Flash ROM JA1 CN103 (7P) 60958 31 M PCM DATA A 29 M PCM DATA 1 30 M PCM DATA 2 28 38 52 46 45 47 1 3 M PCM DATA 0 SACD_D0-D5 IN AOUT Y JA2 RS232C 25,26 29,30 158,159 163-166 77-80 83,84 10-13 19,20 63-68 33,34 36,37 4018 X301 33.8688MHz 4115 X302 36.864MHz 174 167 170 (F) (F) (C) (C) (S) (S) (S

47、B) 1394 MODULE Block VSX-49TXi27 5678 56 7 8 C D F A B E IC405 TC74VHC257FT Multiplexer IE_BDT CN401 (22P) 20 1394_SPDIF21 IE_CDT18 IE_SDT19 IE_FDT17 IE_MCK9 5 6 7 14 13 12 11 10 9 2 3 4 4A 4B 4Y IC405 TC74VHC257FT Multiplexer 14 13 12 4A 4B 4Y 2A 2B 2Y 3A 3B 3Y 1A 1B 1Y CN7051/5S (F) (C) (S) (SB) (

48、F) (F) (F) (F) (C) (C) (C) (C) (S) (S) (S) (S) (SB) (SB) (SB) : Audio Signal Route (F) : Audio Signal Route (C) : Audio Signal Route (S) : Audio Signal Route (SB) VSX-49TXi28 1234 1234 C D F A B E 3.2 OVERALL WIRING DIAGRAM U 1/2, U 2/2 DAC 10 ASSY (AWK7725) FRONT A/V ASSY (AWX8189) J U DSP3 ASSY (A

49、WK7727)T MIC & OPT ASSY (AWX7875) I MIC AMP ASSY (AWX7872)H A/V I/O ASSY (AWX7938) B COMPOSITE ASSY (AWX7942) C S-VIDEO ASSY (AWX8159) D VIDEO CONNECT ASSY (AWX7876)G POWER AMP (BR) ASSY (AWX7885)Y POWER AMP (G) ASSY (AWX7886) POWER AMP (R) ASSY (AWX7883) Z POWER AMP (C) ASSY (AWX7884) W XV COMPONENT ASSY (AWX7953) F MULTI JOG ASSY (AWX7869) O VOL ASSY (AWX7870) P DISPLAY ASSY (AWX8140) DSP DIODE ASSY (AWX7958) POSISTER (R) ASSY (AWX7846) POSISTER (L) ASSY (AWX7844) M STANDBY ASSY (AWX7901) AF 1394 MODULE (AXQ7243) AO LOCAL SUPPLY ASSY (AWX7887)