Page 1 ORDER NO. RRV2567 AUDIO/VIDEO MULTI-CHANNEL AMPLIFIER VSA-AX10 VSX-AX10 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). Model The voltage can be converted by Power Requirement Type the following method. VSX-AX10 VSA-AX10 AC220-230V SDLBPW AC110/120-127V/220V/230-240V With the voltage selector ¶...
Page 2 Ex.2 When there are 3 effective digits (such as in high precision metal film resistors). 5.62k 562 x 10 5621 RN1/4PC 5 6 2 1 7 CONTRAST OF TABLE VSX-49TX/KU/CA, VSA-AX10/HY and VSX-AX10/SDLBPW are constructed the same except for the following: Part No. Ref. Mark Symbol and Description Remarks VSX-49TX...
Page 3 VSA-AX10, VSX-AX10 Part No. Ref. Symbol and Description Mark Remarks VSX-49TX VSA-AX10 VSX-AX10 /KU/CA /SDLBPW EXTERIOR SECTION P5- 1 Top Plate ANE7298 ANE7300 ANE7299 P5- 2 Side Alum AAH7081 AAH7080 AAH7093 P5- 6 Energy Star Label AAX7876 Not used Not used...
Page 4 VSA-AX10, VSX-AX10 Part No. Ref. Symbol and Description Mark Remarks VSX-49TX VSA-AX10 VSX-AX10 /KU/CA /SDLBPW FRONT PANEL SECTION Panel Spacer left S Not used AMR7408 AMR7415 No.17 Panel Spacer right S Not used AMR7409 AMR7416 No.18 Panel Spacer left L...
Page 5 VSA-AX10, VSX-AX10 ÷ EXTERIOR SECTIONS VSX-AX10 / SDLBPW ONLY No.16 IBZ30T080FCC Cushion Circle Tape Side Alum No.1 Speaker Sheet No. 11 ABA1193 SP(B)Assy ABA1011 Fuse Label RBA1099 AC Inlet Assy Fuse(FU1) ABA1011 No.15 ABA1011 Trans Label TRANS(A)Assy SP(A)Assy ABA1011 Rear Panel...
Page 6 VSA-AX10, VSX-AX10 ÷ FRONT PANEL SECTIONS No.17 No.19 FRONT PANEL Panel Base L Panel Base R No.18 No.20 CONTRAST OF PCB ASSEMBLIES FM/AM TUNER Module AXQ7238 and AXQ7237 are constructed the same except for the following: Part No. Mark Symbol and Description...
Page 7 VSA-AX10, VSX-AX10 COMPOSITE ASSY AWX7944 and AWX7942 are constructed the same except for the following : Part No. Mark Symbol and Description Remarks AWX7942 AWX7944 IC2107 TC74HC4051AFT Not used C2159,C2160,C2161 CKSRYB103K50 Not used C2164 CCSRCH181J50 Not used R2163,R2164,R2165 RS1/16S102J Not used...
Page 8 VSA-AX10, VSX-AX10 ANALOG IN&A/D ASSY AWX7880, AWX7873 and AWX7878 are constructed the same except for the following: Part No. Symbol and Description Remarks Mark AWX7878 AWX7880 AWX7873 BU4052BCF Not used Not used IC3901 UDZS6.2B Not used Not used D3901, D3902...
Page 9 VSA-AX10, VSX-AX10 MOTHER ASSY AWX7895, AWX7892 and AWX7890 are constructed the same except for the following: Part No. Symbol and Description Remarks Mark AWX7890 AWX7895 AWX7892 Q5805 2SC5174P Not used 2SC5174P Q5806 RN4903 Not used RN4903 Q5809 UN5112 Not used...
Page 10 VSA-AX10, VSX-AX10 SP (B) ASSY AWX7856, AWX7854 and AWX7852 are constructed the same except for the following: Part No. Symbol and Description Remarks Mark AWX7852 AWX7856 AWX7854 Q1002 DTC124EK Not used Not used D1003, D1004 1SS355 Not used Not used...
Page 11 VSA-AX10, VSX-AX10 PCB PARTS LIST Mark No. Description Part No. VOLTAGE SEL ASSY SWITCHES S1401 VOLTAGE SELECTOR AKX1033 POSISTER(MT) ASSY OTHERS CN1905 2P CONNECTOR ASSY ADX7365 TH1903 POSISTOR AEX7006 2. PCB CONNECTION DIAGRAM 2.1 VOLTAGE SEL. and POSISTER(MT) ASSYS VOLTAGE SEL. ASSY...
Page 12 VSA-AX10, VSX-AX10 Line Voltage Selection Line Voltage can be changed by the following modification: 1. Disconnect the AC power cord. 2. Remove the cover. 3. Change the connection wire from SP (B)ASSY (W122,W123 and W137,W138) to POWER TRANSFORMER as follows.
Page 13 VSA-AX10, VSX-AX10 3. SCHEMATIC DIAGRAM 3.1 OVERALL WIRING DIAGRAM STANDBY INPUT SEL FL SUPPLY ASSY ASSY ASSY (AWX7901) (AWX7868) (AWX7871) J1801 ADX7377 ADX7385 J1601 ADX7385 FUSE ASSY DISPLAY ASSY (AWX7843) ( AWX7866 ) TRANS (B) ASSY ( AWX8057 ) ADX7379...
Page 14 VSA-AX10, VSX-AX10 3.2 A/V I/O ASSY (DVD) (DVD) A/V Function (MIC) (MIC) Selector (FV) (DVD) (DVD) (REC) (REC) (REC)
Page 15 VSA-AX10, VSX-AX10 A/V I/O ASSY (AWX7940) (MIC) (MIC) (MIC) (MIC) (MIC) (FV) (FV) (FV) (FV) (REC) (REC) A/V MR Function Selector (DVD) : AUDIO SIGNAL ROUTE (DVD) (REC) : AUDIO SIGNAL ROUTE (REC) (MIC) : AUDIO SIGNAL ROUTE (MIC) : AUDIO SIGNAL ROUTE (F)
Page 16 VSA-AX10, VSX-AX10 3.3 COMPOSITE ASSY COMPOSITE ASSY (AWX7944) (DVD) (DVD) Video Function Selector (Composite) I/O Selector (Composite) Q2106 Q2107 2SC4081 2SC4081 Clamp REC OUT Selector (Composite)
Page 17 VSA-AX10, VSX-AX10 : The power supply is shown with the marked box. (DVD) : VIDEO SIGNAL ROUTE (DVD) : VIDEO SIGNAL ROUTE (OSD) : VIDEO SIGNAL ROUTE (OSD) 6dB AMP. JA2106 AKB7142 Input-Selector (OSD) (OSD) Q2108 Q2105 2SC4081 2SC4081 (OSD)
Page 18 VSA-AX10, VSX-AX10 3.4 V-CONVERT ASSY Q2853 2SC4081 Clock Gen. Y/C Sep. Q2854 2SC4081 Q2904 2SC4081 (CY) (Cr) (OSD) 0dB Buffer (Cb) (Cr) CN3304 (CY) (Cr) CHROMA Decoder (Cb) (CY) 0dB Buffer (Cb) Q2855 Q2856 2SC4081 2SC4081 Q2905 Q2957 UN5212 UN5212...
Page 19 VSA-AX10, VSX-AX10 V-CONVERT ASSY (AWX7951) Q2901 2SC4081 Y 0dB Buffer Y Invert Buffer LPF (CHROMA) OSD SW (Y) OSD SW (C) Q2902 2SA1576A (OSD) (CY) (CY) 0dB Buffer C 0dB Buffer Y/C MIX (CY) 0dB Buffer (Cr) (Cr) Port Expander...
Page 20 VSA-AX10, VSX-AX10 3.5 ANALOG IN & A/D ASSY (1/3) ANALOG IN & A/D ASSY (VSA-AX10 : AWX7880) 1/3 F (VSX-AX10 : AWX7873) (PH) (PH) (PH) VSA-AX10/HY ONLY (TX) (TX) (CD) (PH) (CD) VSA-AX10 Only (TX) (REC) TUNER (REC) (REC) Audio Function...
Page 21 VSA-AX10, VSX-AX10 (TX) (TX) (TX) CN5814 (SB) (SB) (SB) CN5815 (SB) A/D Mode Selector (PH) (FL) (SB) : AUDIO SIGNAL ROUTE (PHONE) : AUDIO SIGNAL ROUTE (FL) : AUDIO SIGNAL ROUTE (SBL) (CD) (REC) : AUDIO SIGNAL ROUTE (CD) : AUDIO SIGNAL ROUTE (C)
Page 22 VSA-AX10, VSX-AX10 3.6 DISPLAY ASSY LED Driver UN5212 DISPLAY ASSY Switches S3081 : ACOUSTIC CAL. S3082 : MIDNIGHT S3083 : LOUDNESS S3084 : SIGNAL SELECT S3085 : SP SYSTEM A/B S3086 : TONE S3087 : BASS/TREBLE S3088 : TONE -...
Page 23 VSA-AX10, VSX-AX10 DISPLAY ASSY (AWX7866) FL DISPLAY Q3051 UN5212 CN1902 3102 3103 REMOTE RECEIVER UNIT 3104 Remote Signal Control...
Page 24 3.7 MOTHER ASSY To Fan Motor 26.4V Q5813 CN2851 2SC5174P Q5814 2SA1932P -26.4V VSX-AX10 /SDLBPW MOTHER ASSY ONLY VSX-AX10 (VSA-AX10 : AWX7895) /SDLBPW (VSX-AX10 : AWX7892) (TX) ONLY Q5805 2SC5174P RDAT 1µ VSX-AX10 /SDLBPW ONLY Reset -15V -15V CN3201 CN3207 CN3001...
Page 25 VSA-AX10, VSX-AX10 (FV) : AUDIO SIGNAL ROUTE (DIGITAL) : VIDEO SIGNAL ROUTE : AUDIO SIGNAL ROUTE (FV) (REC) : AUDIO SIGNAL ROUTE (REC) : AUDIO SIGNAL ROUTE (C) : Y SIGNAL ROUTE (MIC) : AUDIO SIGNAL ROUTE (S) : C SIGNAL ROUTE...
Page 26 VSA-AX10, VSX-AX10 3.8 AC PRIMARY and SP (A) ASSYS CN5801 CN1905 B02B-XASK-1 AC PRIMARY ASSY (VSA-AX10/HY :AWX7837) DTA124EK (VSX-AX10/SD :AWX7835) CN1301 60Hz Port Expander UDZ2.7B 2SC2412K T1101 ATT7040 / HY ATT7041/SD CN1001 CN1005...
Page 27 VSA-AX10, VSX-AX10 : AUDIO SIGNAL ROUTE J4801 J4802 : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (S) (SB) : AUDIO SIGNAL ROUTE (SB) SP (A) ASSY (AWX7850) Speaker Relay AKE7061 AKE7059 (SB) (SB) 470 1W F...
Page 28 ONLY SP (B) ASSY (VSA-AX10/HY:AWX7856) VSA-AX10/HY ONLY (VSX-AX10/SD:AWX7854) AKX1033 VSA-AX10/HY CN1004 ONLY AKP1034 VSA-AX10/HY : ASR7016 /SD : AEK7071(10A/250V) VSX-AX10/SD : ASR7022 VKP2251 POSISTER /HY : REK-108(T6.3A/250V) (MT) ASSY VSA-AX10/HY (AWX8061) ONLY FU2, FU3 SD : REK-108(T6.3A/250V) CN1106 ADX7389 VSX-AX10/SDLBPW...
Page 29 VSA-AX10, VSX-AX10 • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. CN1102 J1206 AKC7002 XKE3019 FUSE ASSY (AWX7843) VEK1027 (T3.15A/250V) (T2.0A/250V) (T2.0A/250V) CN4001 (T2.0A/250V) (T2.0A/250V) FU5-FU8 : VEK1025...
Page 30 VSA-AX10, VSX-AX10 4. REMOTE CONTROL UNIT [AXD7296&AXD7298] 4.1 CONTRAST OF MISCELLANEOUS PARTS NOTES : ÷ Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. ÷ The mark found on some component parts indicates the importance of the safety factor of the part.
Page 31: Table Of Contents
PIONEER ELECTRONIC 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, Singapore 159936 PIONEER ELECTRONIC CORPORATION 2001 T –...
Page 32: Safety Information
The use of a substitute replacement component which does Leakage 0.5mA current Device not have the same safety characteristics as the PIONEER tester under recommended replacement one, shown in the parts list in test this Service Manual, may create shock, fire, or other hazards.
Page 33: Exploded Views And Parts List
VSX-49TX, VSX-47TX 2. EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
Page 34 VSX-49TX, VSX-47TX 2.2 EXTERIOR SECTION (Shows VSX-49TX) Refer to "2.3 CHASSIS SECTION." Refer to "2.6 FRONT PANEL SECTION." (Shows VSX-49TX) Refer to "2.5 HEAT SINK SECTION." VSX-49TX ONLY...
Page 35 VSX-49TX, VSX-47TX (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Top Plate BK ANE7282 Side Alum BK See Contrast table (2) Side Plate BK See Contrast table (2) Side Panel Sheet See Contrast table (2) Side Panel Sheet S See Contrast table (2) Tape See Contrast table (2)
Page 36 VSX-49TX, VSX-47TX 2.3 CHASSIS SECTION Refer to "2.4 REAR PANEL SECTION". VSX-49TX ONLY...
Page 37 VSX-49TX, VSX-47TX (1) CHASSIS SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Tape PNM1249 MOTHER Assy See Contrast tabel (2) Shield Case B See Contrast table (2) DIODE Assy AWX7841 Screw ABA1011 TRANS (A) Assy AWX7838 PCB Holder C ANG7389...
Page 38 VSX-49TX, VSX-47TX 2.4 REAR PANEL SECTION VSX-49TX ONLY...
Page 39 VSX-49TX, VSX-47TX (1) REAR PANEL SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Speaker Sheet 49 AAK7959 FM/AM TUNER Module AXQ7237 Cushion Circle AED7052 SP (B) Assy AWX7852 Jamper Wire 3P D20PYY0365E AC PRIMARY Assy AWX7834 (AC Primary CN1105 –...
Page 40 VSX-49TX, VSX-47TX 2.5 HEAT SINK SECTION...
Page 41 VSX-49TX, VSX-47TX • HEAT SINK SECTION PARTS LIST Mark No. Description Part No. POWER AMP (L) Assy AWX7882 POWER AMP (R) Assy AWX7883 POWER AMP (BR) Assy AWX7885 POWER AMP (C) Assy AWX7884 POWER AMP (G) Assy AWX7886 POSISTER (L) Assy AWX7844 POSISTER (R) Assy AWX7846...
Page 42 VSX-49TX, VSX-47TX 2.6 FRONT PANEL SECTION...
Page 43 MULTI JOG Assy AWX7869 Shield Plate D AMR7390 VOL Assy AWX7870 Screw BBZ30P100FZK Front Panel See Contrast table (2) Screw BBZ30P080FCC Pioneer Badge PAN1376 Screw ABA7053 Rotary Knob L BK AAA7018 Screw BBT30P060FCC Plate ANG7198 Screw ABA1050 Rotary Knob S BK...
Page 44: Block Diagram And Schematic Diagram
VSX-49TX, VSX-47TX 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM 3.1.1 Audio Block MOTHER ASSY(1/5) CN2705 CN5802 CN5814 CN3401 FM/AM TUNER (13P) (13P) (20P) (20P) ANALOG IN & MODULE L CH A/D ASSY IC3423-2/2 IC3422 TC9163AF IC2001 TC9164AF M5220P Audio Function Selector A/V Function Selector CN3401...
Page 45 VSX-49TX, VSX-47TX IC5043-1/2 VR & PRE OUT UPC4570C ASSY MOTHER Front Main Volume IC5083-1/2 Pre-Amp ASSY(5/5) UPC4570C IC5021 (SB) IC5022-1/2 TC94A07F EXSBL OPA2134PA PREOUT CN5814 CN5820 (20P) (17P) VFUNCL FRONT Surround Back (MR) MR OUTL Main Volume Pre-Amp IC5001 IC5181-1/2 IC5081 IC5181-2/2 IC5082-1/2...
Page 46 VSX-49TX, VSX-47TX 3.1.2 Video and Display Blocks Video Block IC2301 TC74LVX4051FT S-VIDEO ASSY DVD/LD Video Function IC2303 Selector (Y) TC74HC4053AFT TV/HDTV S/OSD SW (Y) IC2307-1/2 TK15420M +6dB 75Ω VCR1 MONITOR 75Ω VCR2 IC2307-2/2 TK15420M +6dB VCR3 75Ω IC2304 MONITOR TC74HC4053AFT VSX-49TX OUT 2 S/O OSD SW (C)
Page 47 VSX-49TX, VSX-47TX Display Block 3002 3102 DISPLAY ASSY MULTI JOG V3001 ASSY FL Display 3003 3103 IC3002 IC3001 BU2092F PD5686A VOL ASSY LED Driver Display U-COM 3004 3104 REMOTE INPUT SEL RECEIVER UNIT ASSY CN3001 (17P) CN5807 (17P) IR IN SR IN MOTHER SR OUT...
Page 48 VSX-49TX, VSX-47TX 3.1.3 Power Supply Block Power Supply Block RY-24V CN1205 SP (B) ASSY (8P) CN1103 IC1102 CN1105 CN1301 SW1301 (8P) NJM79M24FA RY-24V +13V REG. RY-24V CN1005 POWER POWER SP (A) ST+12V ASSY RY-24V +5VP ASSY CN1102 RY-24V (7P) CN1001 (10P) T1101 FAN -27V...
Page 49 VSX-49TX, VSX-47TX VSX-49TX DSP3 Only DSP ASSY ASSY CN709 CN501 IC505 (16P) (16P) VD3C PQ3DZ13 VD5V VSX-47TX REG. CN704 IC713 VDD5 Only VD3U (2P) PQ3DZ13 +5VP REG. DAC10 DAC8 IC305 VD3A PQ3DZ13 ASSY ASSY REG. CN706 CN6001 CN6901 IC6001 IC6901 IC415 (14P) (14P)
Page 50 VSX-49TX, VSX-47TX 3.2 OVERALL WIRING DIAGRAM FRONT A/V ASSY (AWX7902) J3002 MIC & OPT DISPLAY ASSY ASSY MULTI JOG ADX7390 (AWX7875) (VSX-49TX : AWX7864) ASSY (AWX7869) (VSX-47TX : AWX7865) ADX7387 SHIELD PLATE J6003 MIC AMP 4042 AMR7390 J3003 DE012VF0 ASSY (AWX7872) VOL ASSY DSP DIODE ASSY...
Page 51 VSX-49TX, VSX-47TX Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". STANDBY INPUT SEL FL SUPPLY ASSY ASSY ASSY (AWX7901) (AWX7868) (AWX7871) J1801 ADX7377 ADX7385 J1601 ADX7385 FUSE ASSY (AWX7843) TRANS (B) ASSY (AWX7839)
Page 52 VSX-49TX, VSX-47TX 3.3 FM/AM TUNER MODULE FM/AM TUNER MODULE (AXQ7237) (AM) (FM) (FM) (FM) (FM) (FM) (FM) (FM) (AM) (AM) (FM) (AM)
Page 53 VSX-49TX, VSX-47TX (TX) : AUDIO SIGNAL ROUTE (TUNER) (AM) : AM SIGNAL ROUTE (FM) : FM SIGNAL ROUTE CN2705 (AM) (AM) (TX) (TX) CN5802 (TX) (TX) (FM) (TX) : The power supply is shown with the marked box.
Page 54 VSX-49TX, VSX-47TX 3.4 A/V I/O ASSY MR MUET ON : +4.3V (MR) (MR) OFF : -20V (MR) Volume (DVD) (DVD) A/V Function (MIC) (MIC) Selector (FV) (DVD) (DVD) (DVD) (DVD) (REC) (REC) (REC) VSX-47TX VSX-49TX ONLY ONLY...
Page 55 VSX-49TX, VSX-47TX A/V I/O ASSY (VSX-49TX : AWX7938) (VSX-47TX : AWX7939) (MR) (MR) (MR) (MIC) (MR) (MIC) (MIC) (MIC) (MIC) (FV) (FV) (FV) (FV) (REC) (DVD) (MR) (REC) (MR) (MR) A/V MR Function Selector (DVD) : AUDIO SIGNAL ROUTE (DVD) (REC) : AUDIO SIGNAL ROUTE (REC) (MR)
Page 56 VSX-49TX, VSX-47TX 3.5 COMPOSITE ASSY COMPOSITE ASSY (VSX-49TX : AWX7942) (VSX-47TX : AWX7943) (DVD) (DVD) Video Function Selector (Composite) I/O Selector (Composite) Q2106 Q2107 2SC4081 2SC4081 VSX-49TX Video MR Function ONLY Selector (Composite) Clamp REC OUT Selector (Composite) VSX-49TX ONLY...
Page 57 VSX-49TX, VSX-47TX : The power supply is shown with the marked box. (DVD) : VIDEO SIGNAL ROUTE (DVD) : VIDEO SIGNAL ROUTE (OSD) : VIDEO SIGNAL ROUTE (OSD) 6dB AMP. Input-Selector (OSD) (OSD) Q2108 Q2105 2SC4081 2SC4081 (OSD) Port Expander (OSD) Port Expander CN5822...
Page 58 VSX-49TX, VSX-47TX 3.6 S-VIDEO ASSY Q2302 2SC4081 Video Video Function Function Selector Selector Q2303 2SA1576A Port Expander Sync. Sep. VSX-49TX ONLY REC OUT REC OUT Selector (Y) Selector (C) VSX-49TX ONLY...
Page 59 VSX-49TX, VSX-47TX S-VIDEO ASSY (VSX-49TX : AWX7948) (VSX-47TX : AWX7949) (OSD) (OSD) : Y SIGNAL ROUTE : C SIGNAL ROUTE (OSD) : VIDEO SIGNAL ROUTE (OSD) S/OSD SW 6dB AMP. (OSD) S/OSD SW DC SW (OSD) CN3302 CN5823 : The power supply is shown with the marked box.
Page 60 VSX-49TX, VSX-47TX 3.7 V-CONVERT ASSY (VSX-49TX ONLY) Q2853 2SC4081 Clock Gen. Y/C Sep. Q2854 2SC4081 Q2904 2SC4081 (CY) (Cr) (OSD) 0dB Buffer (Cb) (Cr) CN3304 (CY) (Cr) CHROMA Decoder (Cb) (CY) 0dB Buffer (Cb)
Page 61 VSX-49TX, VSX-47TX V-CONVERT ASSY (AWX7952) Q2901 2SC4081 Y 0dB Buffer Y Invert Buffer LPF (CHROMA) OSD SW (Y) OSD SW (C) Q2902 2SA1576A (OSD) (CY) (CY) 0dB Buffer C 0dB Buffer Y/C MIX (CY) 0dB Buffer (Cr) (Cr) Port Expander (Cb) (Cb) (Cb)
Page 62 VSX-49TX, VSX-47TX 3.8 COMPONENT and VIDEO CONNECT ASSYS COMPONENT ASSY (VSX-49TX : AWX7953) (VSX-47TX : AWX7954) (CY) (CY) (CY) (CY) (Cb) (Cb) (Cr) Video Function (CY) Selector (CY) (Cr) (Cb) (Cb) (Cb) (Cr) (Cr) Q2501 2SC4081 Q2502 2SA1576A Video Function (Cr) Selector (Cb, Cr)
Page 63 VSX-49TX, VSX-47TX CN2102 VIDEO CONNECT ASSY (VSX-49TX : AWX7876) (VSX-47TX : AWX7877) VSX-49TX ONLY (CY) (Cb) (CY) Input SW (OSD) (Component) CN2306 (Cb) (Cr) VSX-49TX ONLY CN2852 6dB AMP. (Cr) 6dB AMP. (CY) (CY) (CY) (CY) (Cr) (Cr) (CY) (Cr) (Cr) (CY) (Cb)
Page 64 VSX-49TX, VSX-47TX 3.9 MIC AMP, MIC & OPT, FRONT A/V and HEADPHONE ASSYS MIC & OPT ASSY (AWX7875) DIGITAL IN CN5804 (MIC) (MIC) SETUP (MIC) (MIC) (MIC) FRONT A/V ASSY (AWX7902) (FV) (FV) (FV) (FV) (FV) H I J...
Page 65 VSX-49TX, VSX-47TX HEADPHONE ASSY (AWX7874) : VIDEO SIGNAL ROUTE CN1206 PHONES : Y SIGNAL ROUTE : C SIGNAL ROUTE : AUDIO SIGNAL ROUTE (DIGITAL) (MIC) : AUDIO SIGNAL ROUTE (MIC) : AUDIO SIGNAL ROUTE (F) (FV) : AUDIO SIGNAL ROUTE (FV) MIC AMP ASSY (AWX7872) MIC Amp.
Page 66 VSX-49TX, VSX-47TX 3.10 ANALOG IN & A/D ASSY (1/3) ANALOG IN & A/D ASSY (VSX-49TX : AWX7878) (VSX-47TX : AWX7879) (PH) (PH) (PH) (TX) (TX) (CD) (PH) (CD) (CD) (CD) (TX) (TX) (TX) (REC) (REC) (REC) Audio Function Selector...
Page 67 VSX-49TX, VSX-47TX (TX) (MR) (MR) (TX) (TX) CN5814 (CD) (TX) (SB) Audio MR Function Selector (SB) (SB) CN5815 (SB) A/D Mode Selector VSX-49TX ONLY (PH) (FL) (SB) : AUDIO SIGNAL ROUTE (PHONE) : AUDIO SIGNAL ROUTE (FL) : AUDIO SIGNAL ROUTE (SBL) (CD) (MR) : AUDIO SIGNAL ROUTE (CD)
Page 68 VSX-49TX, VSX-47TX 3.11 ANALOG IN & A/D ASSY (2/3) ANALOG IN & A/D ASSY (VSX-49TX : AWX7878) (VSX-47TX : AWX7879) VSX-49TX : 0 VSX-47TX : 270 VSX-49TX : 220 VSX-47TX : 330 VSX-49TX : 220 VSX-47TX : 330 VSX-49TX : 0 VSX-47TX : 270 INPUT ON : +15V...
Page 69 VSX-49TX, VSX-47TX : The power supply is shown with the marked box. : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (SL) (SB) : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (SBL) +3.3V Front A/D Converter (SB) (SB) C/SW A/D Converter VSX-49TX ONLY...
Page 70 VSX-49TX, VSX-47TX 3.12 ANALOG IN & A/D ASSY (3/3) (VSX-49TX ONLY) ANALOG IN & A/D ASSY (AWX7878)(VSX-49TX ONLY) INPUT ON : +15V OFF : -15V (SB) (SB) (SB) (SB) (SB) (SB) (SB)
Page 71 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (SL) (SB) : AUDIO SIGNAL ROUTE (SBL) Surround A/D Converter (SB) (SB) (SB) Surround Back A/D Converter (SB) (SB)
Page 72 VSX-49TX, VSX-47TX 3.13 DISPLAY, INPUT SEL, MULTI JOG and VOL ASSYS LED Driver VSX-49TX ONLY UN5212 UN5212 DISPLAY ASSY Switches S3081 : ACOUSTIC CAL. S3082 : MIDNIGHT S3083 : TONE S3084 : SIGNAL SELECT S3085 : SP SYSTEM A/B S3086 : BASS/TREBLE S3087 : TONE –...
Page 73 VSX-49TX, VSX-47TX DISPLAY ASSY (VSX-49TX : AWX7864) (VSX-47TX : AWX7865) FL DISPLAY Q3051 UN5212 CN1902 MULTI JOG ASSY (AWX7869) VOL ASSY (AWX7870) REMOTE RECEIVER UNIT Remote Signal Control INPUT SEL ASSY (AWX7868)
Page 74 VSX-49TX, VSX-47TX 3.14 VR & PRE OUT ASSY (1/3) C5251, C5252, C5351, C5352, C5451, C5452 : VSX-49TX : 47/35 VSX-47TX : 47/25 (SB) (SB) CN5818 (SB) Analog Phantom (SB) (SB) (SB) (SB) (SB)
Page 75 VSX-49TX, VSX-47TX : The power supply is shown with the marked box. VR & PRE OUT ASSY (VSX-49TX : AWX7888) (VSX-47TX : AWX7917) : AUDIO SIGNAL ROUTE (F) +16.2V : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (S) (SB) : AUDIO SIGNAL ROUTE (SB) -16.2V J4004...
Page 76 VSX-49TX, VSX-47TX 3.15 VR & PRE OUT ASSY (2/3) VR & PRE OUT ASSY Pre-Amp. (VSX-49TX : AWX7888) (VSX-47TX : AWX7917) Front Main Volume C/SW Main Volume...
Page 77 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (C) AMUTE2 ON : +3.4V OFF : -20V...
Page 78 VSX-49TX, VSX-47TX 3.16 VR & PRE OUT ASSY (3/3) Pre-Amp. Surround Main Volume (SB) (SB) (SB) (SB) Surround Back Main Volume : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (S) (SB) : AUDIO SIGNAL ROUTE (SB)
Page 79 VSX-49TX, VSX-47TX VR & PRE OUT ASSY (VSX-49TX : AWX7888) (VSX-47TX : AWX7917) AMUTE2 ON : +3.4V OFF : -20V (SB) (SB) (SB) Surround Back Selector (SB) (SB) (SB) (SB) (SB)
Page 80 VSX-49TX, VSX-47TX 3.17 MOTHER ASSY MOTHER ASSY (VSX-49TX : AWX7890) (VSX-47TX : AWX7891) VSX-49TX ONLY VSX-47TX VSX-49TX (TX) (TX) ONLY ONLY Q5805 2SC5174P 1µ VSX-49TX ONLY Reset -15V -15V CN3201 CN3207 CN3001...
Page 81 VSX-49TX, VSX-47TX (FV) : AUDIO SIGNAL ROUTE (DIGITAL) : VIDEO SIGNAL ROUTE : AUDIO SIGNAL ROUTE (FV) (REC) : AUDIO SIGNAL ROUTE (REC) : AUDIO SIGNAL ROUTE (C) : Y SIGNAL ROUTE (MR) : AUDIO SIGNAL ROUTE (MR) : AUDIO SIGNAL ROUTE (S) : C SIGNAL ROUTE (SB) (MIC)
Page 82 VSX-49TX, VSX-47TX 3.18 DSP ASSY (1/5) DSP ASSY J4001 CN5809 (VSX-49TX : AWX7719) (VSX-47TX : AWX7720) VSX-49TX 3.3V ONLY VSX-49TX ONLY Port Expander Port Expander (SB) VSX-49TX ONLY VSX-49TX ONLY IC701 PD5687A VSX-47TX ONLY VSX-49TX ONLY CN5811 CN5810...
Page 83 VSX-49TX, VSX-47TX CN501 CN502 CN402 VSX-49TX ONLY VSX-47TX VSX-49TX ONLY ONLY Port Expander VSX-49TX ONLY (SB) VSX-49TX Flash ROM ONLY VSX-47TX ONLY : AUDIO SIGNAL ROUTE (DIGITAL) : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (S) (SB) : AUDIO SIGNAL ROUTE (SB) VSX-49TX...
Page 84 VSX-49TX, VSX-47TX 3.19 DSP ASSY (2/5) Q201 2SC2412K(QR) Q202 2SC2412K(QR) Q203 2SA1037K(QR) Q210 2SB1197K(QR) Q209 2SC4081 Q213 2SD1781K(QR)
Page 85 VSX-49TX, VSX-47TX DSP ASSY (VSX-49TX : AWX7719) (VSX-47TX : AWX7720) : AUDIO SIGNAL ROUTE (DIGITAL) Q204 2SA1037K(QR) RF Demodulator SRAM...
Page 86 VSX-49TX, VSX-47TX 3.20 DSP ASSY (3/5) VSX-49TX ONLY 2SB1197(QR) Q101 Q102 DTC124EK AKB7148 VSX-49TX VSX-49TX ONLY ONLY VSX-47TX ONLY VSX-49TX : AKB7148 VSX-47TX : VKB1160 Selector VSX-49TX ONLY...
Page 87 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (C) DSP ASSY : AUDIO SIGNAL ROUTE (DIGITAL) : AUDIO SIGNAL ROUTE (S) (VSX-49TX : AWX7719) (SB) : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (SB) (VSX-47TX : AWX7720) Counter Selector Selector Selector VSX-49TX ONLY (SB)
Page 88 VSX-49TX, VSX-47TX 3.21 DSP ASSY (4/5) DSP ASSY (VSX-49TX : AWX7719) (VSX-47TX : AWX7720) 3.3V Flash ROM (SB) (SB)
Page 89 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (S) (SB) : AUDIO SIGNAL ROUTE (SB) (SB) (SB) : The power supply is shown with the marked box.
Page 90 VSX-49TX, VSX-47TX 3.22 DSP ASSY (5/5) (SB) VSX-47TX VSX-47TX ONLY (SB) ONLY VSX-47TX ONLY (SB) (SB) (SB) (SB) (SB) (SB) (SB) (SB) VSX-47TX ONLY Selector (SB) (SB) VSX-49TX VSX-47TX ONLY ONLY (SB) Selector (SB) (SB) VSX-47TX ONLY VSX-49TX ONLY VSX-47TX ONLY (SB) VSX-49TX...
Page 91 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (C) DSP ASSY (VSX-49TX : AWX7719) : AUDIO SIGNAL ROUTE (S) (VSX-47TX : AWX7720) (SB) : AUDIO SIGNAL ROUTE (SB) SRAM SRAM 3.3V (SB) 1.8V DSP2 (SB)
Page 92 VSX-49TX, VSX-47TX 3.23 DSP3 ASSY (VSX-49TX ONLY) 3.3V Flash ROM (SB) (SB) (SB) (SB) CN708 CN402...
Page 93 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (F) DSP3 ASSY (AWK7727) : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (S) (SB) : AUDIO SIGNAL ROUTE (SB) (SB) (SB) : The power supply is shown with the marked box.
Page 94 VSX-49TX, VSX-47TX 3.24 DAC10 ASSY (1/2) (VSX-49TX ONLY) 3.3V DAC 10 ASSY (AWK7725) D/A Converter 2200P D/A Converter 2200P Front Digital Filter D/A Converter 2200P (SB) D/A Converter 2200P C/SW Digital Filter (SB)
Page 95 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (S) : The power supply is shown with the marked box. (SB) : AUDIO SIGNAL ROUTE (SB) Gain Control Volume (SB) (SB)
Page 96 VSX-49TX, VSX-47TX 3.25 DAC10 ASSY (2/2) (VSX-49TX ONLY) D/A Converter 2200P D/A Converter 2200P Surround Digital Filter D/A Converter (SB) 2200P (SB) (SB) (SB) D/A Converter Surround Back 2200P Digital Filter (SB)
Page 97 VSX-49TX, VSX-47TX DAC 10 ASSY (AWK7725) : AUDIO SIGNAL ROUTE (S) (SB) : AUDIO SIGNAL ROUTE (SB) Gain Control Volume (SB) (SB) (SB) (SB) (SB) (SB) (SB)
Page 98 VSX-49TX, VSX-47TX 3.26 DAC8 ASSY (1/2) (VSX-47TX ONLY) D/A Converter (SB) D/A Converter CN5812 CN5813...
Page 99 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (S) DAC 8 ASSY (AWK7726) (SB) : AUDIO SIGNAL ROUTE (SB) Gain Control Volume (SB) (SB) : The power supply is shown with the marked box.
Page 100 VSX-49TX, VSX-47TX 3.27 DAC8 ASSY (2/2) (VSX-47TX ONLY) D/A Converter (SB) (SB) (SB) (SB) (SB) (SB) (SB) D/A Converter...
Page 101 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (S) DAC 8 ASSY (AWK7726) (SB) : AUDIO SIGNAL ROUTE (SB) Gain Control Volume (SB) (SB) (SB) (SB) (SB) (SB)
Page 102 VSX-49TX, VSX-47TX 3.28 POWER AMP (L) and POWER AMP (C) ASSYS POWER AMP (L) ASSY Voltage Amp. (AWX7882) AMUTE1 ON : +4.2V OFF : -20V Q4106 2SC3326 Voltage Amp. Q4404 2SC3326 (SB) Voltage Amp. (SB) (SB) (SB) Q4604 (SB) 2SC3326 POWER AMP (C) ASSY (AWX7884)
Page 103 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (F) Current Amp. Over Load Det. : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (S) IC4102 PBD001A (SB) : AUDIO SIGNAL ROUTE (SB) Current Amp. IC4103 PBD001A Over Load Det. DC Det. Current Amp. IC4402 PBD001A IC4403...
Page 104 VSX-49TX, VSX-47TX 3.29 POWER AMP (R), POWER AMP (BR) and POWER AMP (G) ASSYS POWER AMP (R) ASSY Voltage Amp. (AWX7883) AMUTE1 ON : +4.2V OFF : -20V Voltage Amp. Voltage Amp. CN5005 POWER AMP (BR) ASSY (AWX7885) POWER AMP (G) ASSY (AWX7886) X Y Z...
Page 105 VSX-49TX, VSX-47TX Current Amp. Over Load Det. : AUDIO SIGNAL ROUTE (C) IC4202 PBD001A IC4203 PBD002A Current Amp. DC Det. Over Load Det. Current Amp. IC4502 PBD001A IC4503 PBD002A To C1 Current Amp. -55V To C2 Over Load Det. Current Amp. IC4702 PBD001A IC4703...
Page 106 VSX-49TX, VSX-47TX 3.30 LOCAL SUPPLY ASSY 10.6V CN1904 11.7V -12.1V 11.7V -12.2V CN1802 26.6V CN1701 -26.7V 63.4V -63.4V...
Page 107 VSX-49TX, VSX-47TX LOCAL SUPPLY ASSY (AWX7887) CN704 5.6V 5.6V -5.6V J5806 CN5805 -20V CN5004 -56V...
Page 108 VSX-49TX, VSX-47TX 3.31 AC PRIMARY, POWER SW, SP (A), FL SUPPLY and STANDBY ASSYS CN5801 POWER SW ASSY (AWX7840) AC PRIMARY ASSY (AWX7834) 60Hz Port Expander T1101 ATT7043 CN1001 CN1005 CN1803 3001 +46.6V FL SUPPLY ASSY (AWX7871) AB AC AE...
Page 109 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE : AUDIO SIGNAL ROUTE (F) J4801 J4802 : AUDIO SIGNAL ROUTE (C) : AUDIO SIGNAL ROUTE (S) (SB) : AUDIO SIGNAL ROUTE (SB) SP (A) ASSY (AWX7848) Speaker Relay (SB) (SB) CN1007 STANDBY ASSY (AWX7901) CN3002...
Page 110 VSX-49TX, VSX-47TX 3.32 POSISTER (L), POSISTER (R), DSP DIODE, SP (B), DIODE, FUSE, TRANS (A) and TRANS (B) ASSYS CN1101 POSISTER (L) ASSY (AWX7844) SP (B) ASSY (AWX7852) CN4812 POSISTER (R) ASSY (AWX7846) 1004 AKP1033 CN4813 AEK-306 (12A/125V) VKP2251 J4002 DSP DIODE ASSY (AWX7958) TRANS (B) ASSY...
Page 111 VSX-49TX, VSX-47TX • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. CN1102 J1206 AKC7002 AEK7076 FUSE ASSY (AWX7843) VEK1023 (4A) (2A) CN4001 (2A) (2A) (2A) FU5-FU8 : VEK1023 CN1901...
Page 112: Pcb Connection Diagram
VSX-49TX, VSX-47TX 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS : 1. Part numbers in PCB diagrams match those in the schematic 3. The parts mounted on this PCB include all necessary parts for diagrams. several destinations. 2. A comparison between the main parts of PCB and schematic For further information for respective destinations, be sure to diagrams is shown below.
Page 113 VSX-49TX, VSX-47TX 4.1 FM/AM TUNER MODULE FM/AM TUNER MODULE SIDE A CN5802 (ANP7338-B) Q202 SIDE B FM/AM TUNER MODULE (ANP7338-B) Q602 Q201 IC201 Q203 Q601 Q205 IC202 Q204...
Page 114 VSX-49TX, VSX-47TX 4.2 A/V I/O ASSY A/V I/O ASSY SIDE A IC2051 IC2052 (ANP7389-A) SIDE B IC2053 IC2002 IC2001 (ANP7389-A)
Page 115 VSX-49TX, VSX-47TX 4.3 COMPOSITE ASSY COMPOSITE ASSY SIDE A CN3301 Q2104 IC2104 Q2105 Q2103 IC2107 IC2101 Q2106 IC2102 IC2105 IC2108 IC2109 Q2108 Q2102 IC2103 Q2101 (ANP7389-A) SIDE B IC2106 Q2107 (ANP7389-A)
Page 116 VSX-49TX, VSX-47TX 4.4 S-VIDEO ASSY SIDE A S-VIDEO ASSY CN3302 IC2307 IC2304 IC2302 IC2306 IC2310 IC2305 Q2301 Q2314 IC2303 IC2301 (ANP7389-A) SIDE B Q2302 Q2303 IC2309 (ANP7389-A) IC2308...
Page 117 VSX-49TX, VSX-47TX 4.5 V-CONVERT ASSY (VSX-49TX ONLY) SIDE A V-CONVERT ASSY CN3304 IC2860 Q2904 Q2853 IC2852 Q2854 Q2852 IC2853 IC2857 IC2858 IC2856 Q2851 IC2861 IC2853 IC2854 IC2855 IC2859 Q2903 IC2851 IC2862 (ANP7389-A) SIDE B (ANP7389-A) Q2902 Q2855 Q2857 Q2901 Q2980...
Page 118 VSX-49TX, VSX-47TX 4.6 COMPONENT ASSY SIDE A COMPONENT ASSY CN3303 Q2508 Q2509 IC2505 IC2501 IC2504 IC2507 IC2508 IC2506 IC2503 IC2502 IC2509 Q2506 Q2507 Q2504 Q2505 (ANP7389-A) SIDE B Q2502 Q2501 (ANP7389-A)
Page 119 VSX-49TX, VSX-47TX 4.7 VIDEO CONNECT ASSY SIDE A VIDEO CONNECT ASSY CN2852 CN2502 CN2306 CN2102 (ANP7390-A) SIDE B (ANP7390-A)
Page 120 VSX-49TX, VSX-47TX 4.8 MIC AMP, MIC & OPT, RFONT A/V and HEADPHONE ASSYS SIDE A FRONT A/V ASSY (ANP7390-A) HEADPHONE ASSY CN1206 (ANP7390-A) MIC AMP ASSY CN5806 IC3201 Q3202 Q3204 (ANP7390-A) MIC & OPT ASSY CN5804 (ANP7390-A) H I J...
Page 121 VSX-49TX, VSX-47TX SIDE B FRONT A/V ASSY (ANP7390-A) HEADPHONE ASSY (ANP7390-A) MIC AMP ASSY (ANP7390-A) MIC & OPT ASSY (ANP7390-A) H I J K...
Page 122 VSX-49TX, VSX-47TX 4.9 ANALOG IN & A/D ASSY SIDE A ANALOG IN & A/D ASSY IC3462 IC3422 IC3423 IC3424 IC3401 IC3902 Q3401 Q3601 Q3801 Q3501 IC3801 IC3601 IC3701 IC3501 IC3802 IC3602 IC3702 IC3502 IC3402 IC3481 IC3441 IC3461 IC3421 (ANP7390-A)
Page 123 VSX-49TX, VSX-47TX SIDE B ANALOG IN & A/D ASSY IC3901 (ANP7390-A)
Page 124 VSX-49TX, VSX-47TX 4.10 DISPLAY, INPUT SEL, MULTI JOG, VOL, FL SUPPLY and STANDBY ASSYS DISPLAY ASSY Q3052 Q3053 Q3054 Q3051 Q5001 IC3062 INPUT IC3002 SEL ASSY FL SUPPLY ASSY CN1803 (ANP7390-A) (ANP7388-A) STANDBY ASSY (ANP7388-A) M N AE AF...
Page 125 VSX-49TX, VSX-47TX SIDE A CN5807 (ANP7390-A) Q3002 IC3061 Q3003 Q3063 Q3061 Q3062 MULTI JOG ASSY (ANP7390-A) VOL ASSY (ANP7390-A)
Page 126 VSX-49TX, VSX-47TX DISPLAY ASSY IC3001 MULTI JOG ASSY (ANP7390-A) VOL ASSY (ANP7390-A)
Page 127 VSX-49TX, VSX-47TX SIDE B (ANP7390-A) INPUT SEL ASSY FL SUPPLY ASSY (ANP7390-A) STANDBY ASSY (ANP7388-A) (ANP7388-A) N AE AF...
Page 128 VSX-49TX, VSX-47TX 4.11 VR & PRE OUT ASSY VR & PRE OUT ASSY IC5084 Q5401 Q5202 Q5402 Q5201 Q5301 Q5101 Q5302 Q5102 Q5204 IC5083 CN4802 IC5082 IC5042 IC5062 IC5022 CN4801 IC5043 IC5081 IC5041 IC5061 IC5021 IC5002 IC5003 IC5001 CN4811 IC5181 IC5063 IC5023 IC5182...
Page 129 VSX-49TX, VSX-47TX VR & PRE OUT ASSY (ANP7392-A) SIDE B...
Page 130 VSX-49TX, VSX-47TX 4.12 MOTHER ASSY MOTHER ASSY CN5003 CN3403 CN701 CN3001 CN6003 CN6004 CN3207 (49TX) (49TX) CN6903 CN6904 CN3201 (47TX) (47TX) IC5813 IC5810 Q5809 IC5802 IC5811 IC5812 IC5803 Q5801 IC5807 Q5810 Q5807 Q5808 IC5804...
Page 131 VSX-49TX, VSX-47TX CN2851 SIDE A CN2705 CN2501 CN2301 CN1104 CN2101 CN2001 CN2002 CN5001 CN4003 CN5002 CN4004 CN3402 CN3401 CN702 CN703 IC5806 Q5802 Q5803 Q5812 Q5814 Q5816 Q5817 Q5818 Q5805 (ANP7392-A) Q5804 Q5811 Q5813 Q5815 Q5806 IC5805...
Page 132 VSX-49TX, VSX-47TX Q5814 IC5806 Q5805 IC5807 Q5813...
Page 133 VSX-49TX, VSX-47TX SIDE B MOTHER ASSY IC5801 IC5807 IC5809 IC5808 (ANP7392-A)
Page 134 VSX-49TX, VSX-47TX 4.13 DSP ASSY DSP ASSY IC5084 IC108 IC116 IC101 IC107 IC114 IC115 IC305 IC110 IC304 IC111 IC112 IC201 IC113 IC301 IC303 IC202 IC715 IC302 Q210 IC416 IC414 IC702 CN5809 IC415 IC710 IC709 IC410 IC412 IC707 IC401 IC708 CN5810 IC409 IC711 IC411...
Page 135 VSX-49TX, VSX-47TX DSP ASSY Q208 Q101 Q209 Q102 Q201 IC106 IC104 IC105 IC205 Q204 Q104 Q105 Q203 IC102 Q202 IC103 IC203 Q213 IC204 Q211 Q212 IC408 IC405 (ANP7393-A) SIDE B...
Page 136 VSX-49TX, VSX-47TX 4.14 DAC10 ASSY (VSX-49TX ONLY) DAC10 ASSY CN707 CN706 IC6001 Q6001 IC6402 IC6404 IC6406 CN5812 IC6002 IC6281 IC6403 IC6405 IC6401 IC6302 CN5813 IC6304 IC6306 IC6062 IC6303 IC6305 IC6061 IC6301 IC6202 IC6204 IC6206 IC6041 IC6042 IC6203 IC6205 IC6201 IC6102 IC6104 IC6106 IC6021 IC6022...
Page 137 VSX-49TX, VSX-47TX DAC10 ASSY Q6410 Q6409 Q6310 Q6309 Q6210 Q6209 Q6110 Q6109 (ANP7394-A) SIDE B...
Page 138 VSX-49TX, VSX-47TX 4.15 DAC8 ASSY (VSX-47TX ONLY) DAC8 ASSY CN707 CN706 IC6901 Q6901 Q6902 IC6802 IC6804 CN5812 IC6981 IC6982 IC6801 IC6803 CN5813 IC6702 IC6704 IC6701 IC6703 IC6962 IC6961 IC6602 IC6604 IC6601 IC6603 IC6942 IC6941 IC6502 IC6504 IC6501 IC6503 IC6922 IC6921 (ANP7416-A) SIDE A...
Page 139 VSX-49TX, VSX-47TX DAC8 ASSY Q6802 Q6801 Q6702 Q6701 Q6602 Q6601 Q6502 Q6501 (ANP7416-A) SIDE B...
Page 140 VSX-49TX, VSX-47TX 4.16 DSP3 ASSY (VSX-49TX ONLY) SIDE A DSP3 ASSY CN402 CN708 IC502 IC504 IC501 IC506 IC505 IC503 (ANP7417-B) SIDE B IC507 (ANP7417-B)
Page 141 VSX-49TX, VSX-47TX 4.17 POWER AMP (L) and POSISTER (L) ASSYS CN4807 POWER AMP (L) ASSY SIDE A IC4302 IC4603 IC4601 CN1203 IC4602 IC4403 IC4401 CN1203 IC4402 POSISTER (L) IC4101 IC4301 ASSY IC4401 IC4601 CN5006 IC4103 IC4101 CN1203 IC4102 CN4809 (ANP7391-B)
Page 142 VSX-49TX, VSX-47TX POWER AMP (L) ASSY SIDE B Q4304 Q4301 Q4602 Q4604 Q4601 Q4402 Q4404 Q4801 POSISTER (L) IC4101 IC4301 IC4401 IC4601 ASSY Q4401 Q4102 Q4104 Q4101 Q4803 Q4805 (ANP7391-B)
Page 143 VSX-49TX, VSX-47TX 4.18 POWER AMP (R) and POSISTER (R)ASSYS POWER AMP (R) ASSY CN4810 SIDE A IC4203 CN1204 IC4201 IC4202 CN5006 POSISTER(R) ASSY IC4201 IC4501 IC4701 IC4503 IC4501 CN1204 IC4502 IC4703 IC4701 CN1204 IC4702 IC4303 CN4806 (ANP7391-B) X AH...
Page 144 VSX-49TX, VSX-47TX POWER AMP (R) ASSY SIDE B Q4806 Q4804 Q4202 Q4204 POSISTER (R) Q4201 ASSY IC4501 IC4201 Q4802 Q4502 Q4504 Q4501 Q4702 Q4704 IC4701 Q4701 Q4302 (ANP7391-B)
Page 145 VSX-49TX, VSX-47TX 4.19 POWER AMP (C), POWER AMP (BR) and POWER AMP (G) ASSYS POWER AMP (C) ASSY SIDE B CN4805 IC4301 (ANP7391-B) (ANP7391-B) CN4806 CN1203 POWER AMP (BR) ASSY CN4803 CN5005 (ANP7391-B) Q4103 Q4403 (ANP7391-B) Q4303 CN4804 POWER AMP (G) ASSY 4807 MAIN CAPACITOR 4808...
Page 146 VSX-49TX, VSX-47TX 4.20 LOCAL SUPPLY and DSP DIODE ASSYS LOCAL SUPPLY ASSY Q4051 IC4021 Q4052 IC4022 IC4011 IC4051 IC4052 CN704 Q4021 Q4022 Q4053 IC4023 IC4024 IC4045 IC4035 CN1802 IC4047 IC4046 IC4036 IC4041 IC4043 IC4042 IC4033 IC4031 IC4032 (ANP7391-B) DSP DIODE ASSY CN5805 SIDE A...
Page 147 VSX-49TX, VSX-47TX LOCAL SUPPLY ASSY Q4054 (ANP7391-B) DSP DIODE ASSY SIDE B...
Page 148 VSX-49TX, VSX-47TX 4.21AC PRIMARY, POWER SW and SP (A) ASSYS AC PRIMARY ASSY CN1205 CN5801 POWER SW ASSY (ANP7388-A) IC1102 IC1101 IC1103 CN1005 CN1001 CN3203 J4802 SP (A) ASSY J4801 CN1007 CN1103 AB AC AD SIDE A...
Page 149 VSX-49TX, VSX-47TX AC PRIMARY ASSY (ANP7388-A) Q1103 Q1102 Q1104 Q1101 POWER SW ASSY SP (A) ASSY Q1201 Q1205 Q1209 Q1208 Q1206 Q1204 Q1202 Q1210 Q1203 Q1207 AB AC AD SIDE B...
Page 150 VSX-49TX, VSX-47TX 4.22 TRANS(A), TRANS(B), DIODE and FUSE ASSYS SIDE A DIODE ASSY (ANP7388-A) TRANS (A) ASSY MAIN CAPACITOR POWER TRANSFORMER TRANS (B) ASSY CN4002 (ANP7388-A) FUSE ASSY (ANP7388-A) CN1901 CN4001 AM AN...
Page 151 VSX-49TX, VSX-47TX 4.23 SP(B) ASSY SIDE A SP (B) ASSY AC OUTLET (ANP7388-A) AC IN CN1101 POWER TRANSFORMER SIDE B Q1001 Q1004 Q1003 Q1002 (ANP7388-A)
Page 152: Pcb Parts List
VSX-49TX, VSX-47TX 5. PCB PARTS LIST Mark No. Description Part No. Mark No. Description Part No. • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
Page 153 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. A/V I/O ASSY AWX7938 and AWX7939 are constructed the same except for the following : Part No. Mark Symbol and Description Remarks AWX7938 AWX7939 R2025, R2026 RS1/16S102J Not used R2027, R2028 RS1/16S105J Not used...
Page 154 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. VIDEO CONNECT ASSY AWX7876 and AWX7877 are constructed the same except for the following : Part No. Mark Symbol and Description Remarks AWX7876 AWX7877 CN3304 18P Plug KM200TA18 Not used DISPLAY ASSY AWX7864 and AWX7865 are constructed the same except for the following :...
Page 155 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. PCB PARTS LIST FOR VSX-49TX/KU/CA UNLESS OTHERWISE NOTED Mark No. Description Part No. Mark No. Description Part No. FM/AM TUNER MODULE A/V I/O ASSY SEMICONDUCTORS SEMICONDUCTORS IC201 BA1451F IC2053 BA4558F-HT IC202...
Page 156 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. CAPACITORS RESISTORS C2118 CCSRCH100D50 All Resistors RS1/16S C2123,C2132 CCSRCH101J50 C2119 CCSRCH150J50 OTHERS C2120 CCSRCH180J50 CN2301 JE CONNECTOR 17PS-JE C2139,C2151-C2153,C2164 CCSRCH181J50 CN2302-CN2305 AKP7023 DUAL 4P MINI DIN SOCKET C2121,C2122 CCSRCH240J50 JA2301 AKP7049...
Page 157 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. C2922 CKSRYB224K10 VIDEO CONNECT ASSY C2858 CKSRYB474K10 C2969 CKSRYB561K50 OTHERS CN3303 10P PLUG KM200TA10 RESISTORS CN3301 12P PLUG KM200TA12 All Resistors RS1/16S CN3304 18P PLUG KM200TA18 CN3302 8P PLUG KM200TA8 OTHERS CN2851...
Page 158 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. RESISTORS C3567,C3568,C3603,C3604 CCSRCH101J50 C3703,C3704,C3755,C3756 CCSRCH101J50 All Resistors RS1/16S C3759,C3760,C3803,C3804 CCSRCH101J50 C3401,C3547,C3548,C3559,C3560 CEAT100M50 OTHERS C3951,C3952 CEAT100M50 JA3204 FRONT PIN JACK 4P AKX7014 CN3204 KR CONNECTOR B8B-PH-K C3515,C3516,C3615,C3616 CEAT101M10 C3715,C3716,C3815,C3816 CEAT101M10 J3301 4P JUMPER WIRE...
Page 159 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. R3501,R3502 RS1/16S6801F ANALOG IN & A/D ASSY Other Resistors RS1/16S (AWX7879 for VSX-47TX) OTHERS SEMICONDUCTORS 3401,3501,3503,3504 AKB7075 IC3421 AK5383VS 4P PIN JACK IC3901 BU4052BCF CN3402 17P SOCKET KP200TA17L IC3423 M5220P CN3401...
Page 160 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. D5001-D5004 1SS355 D5085-D5090 DA204K INPUT SEL ASSY D5083,D5084 UDZS6.2B SWITCH CAPACITORS S3103 ASX7038 C5007,C5008,C5021,C5022 ACH7163 (470µF/25V) CAPACITORS C5033,C5034,C5041,C5042 ACH7163 C3110,C3111 CKSRYB103K50 (470µF/25V) C5053,C5054,C5061,C5062 ACH7163 (470µF/25V) RESISTORS R3109,R3110 RS1/16S437J C5081,C5082 (470µF/25V) ACH7163 C5013,C5024,C5044,C5064,C5084...
Page 161 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. CN5002 9P SOCKET KP200TA9L R5833,R5837 RD1/4MUF4R7J CN5004 6P CONNECTOR S06B-XASK-1 Other Resistors RS1/16S JA5041 1P PIN JACK (AU, BLK) VKB1074 CN5003 VKN1392 B TO B CONNECTOR 24P OTHERS CN5001 VKN1395 B TO B CONNECTOR 30P...
Page 162 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. C123,C125,C131,C133,C139 CKSRYB103K50 IC107 TC74VHC4040FT C152,C202,C214,C232,C233 CKSRYB103K50 IC707-IC710 TC74VHC573FT C273,C454,C458 CKSRYB103K50 IC404,IC407,IC411 TC74VHC74FT C101,C105,C109,C113,C121 CKSRYB104K16 IC414 TC74VHCU04FT C129,C138,C141,C144 CKSRYB104K16 IC103 TC7SET08F C149,C150,C155,C156,C160 CKSRYB104K16 IC719-IC721 TC7SET08FU C168,C172,C174,C176,C178 CKSRYB104K16 IC108 TC7SH04FU C181,C185,C189,C191 CKSRYB104K16 IC405,IC408...
Page 163 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. CN709 16P PLUG AKM7049 Q201,Q202 2SC2412K CN708 22P PLUG AKM7052 Q208,Q209 2SC4081 X201 CRYSTAL RESONATOR ASS7009 Q213 2SD1781K (18.432MHz) Q102 DTC124EK Q211 RN1903 X101 CRYSTAL RESONATOR ASS7025 (24.576MHz) D203 1SS355 X401...
Page 164 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. C388-C391,C393,C395,C398 CKSRYB104K16 DSP3 ASSY (VSX-49TX Only) C400,C401,C403,C405,C407 CKSRYB104K16 C410,C422,C424,C427,C429 CKSRYB104K16 SEMICONDUCTORS C431,C434,C444,C446,C450 CKSRYB104K16 C460,C461,C467,C473,C478 CKSRYB104K16 IC501 ADSST21065LKS-264 IC502,IC503 HY57V161610DTC-10 C480,C484,C487,C702,C705 CKSRYB104K16 IC504 AYW7013 C708,C710,C712,C713,C717 CKSRYB104K16 IC505 PQ3DZ13 C719,C721,C723,C725,C733 CKSRYB104K16 C736,C737,C739,C741 CKSRYB104K16...
Page 165 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. L6101-L6104,L6201-L6204 ATL7002 C6101,C6102,C6111,C6112 RCH1139 CHIP FERRITE BEAD (47µF/10V) L6301-L6304,L6401-L6404 ATL7002 C6201,C6202,C6211,C6212 RCH1139 CHIP FERRITE BEAD (47µF/10V) C6301,C6302,C6311,C6312 RCH1139 L6022,L6042,L6062,L6082 QTL1013 (47µF/10V) CHIP SOLID INDUCTOR C6401,C6402,C6411,C6412 RCH1139 (47µF/10V) CAPACITORS C6135,C6136,C6235,C6236 (470pF) VCE1035 C6147,C6148,C6247,C6248 ACH7162...
Page 166 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. C4801,C4803 CEAT471M63 C6950,C6952,C6960,C6970,C6972 CEHAZL101M10 C4103,C4403,C4603 CEHAT102M10 C6980,C6990,C6992 CEHAZL101M10 C4106-C4108,C4406-C4408 CEHAT470M16 C6511,C6512,C6611,C6612 CENA4R7M50 C4606-C4608 CEHAT470M16 C6711,C6712,C6811,C6812 CENA4R7M50 C4104,C4105,C4404,C4405 CFTLA104J2A C6914,C6921,C6925,C6927,C6929 CKSRYB104K16 C4604,C4605 CFTLA104J2A C6931,C6941,C6945,C6947,C6949 CKSRYB104K16 C4112,C4113,C4412,C4413 CFTYA224J50 C6951,C6961,C6965,C6967,C6969 CKSRYB104K16 C4612,C4613 CFTYA224J50 C6971,C6981,C6985,C6987,C6989...
Page 167 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. RESISTORS R4712,R4713 RS1/16S1502F R4214,R4215,R4315,R4514,R4515 S1/16S1503F R4317 RDR1/4VM103J R4714,R4715 RS1/16S1503F R4304 RDR1/4VM220J R4231,R4232,R4332,R4531,R4532 RS1/16S3902F R4303 RDR1/4VM331J R4731,R4732 RS1/16S3902F R4318 RS1LMF2R2J Other Resistors RS1/16S R4218,R4518,R4718 RS1LMF2R2J Other Resistors RS1/16S OTHERS CN4808 13P SOCKET KP250NA13...
Page 168 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. IC4042 NJM7918FA Q1103 DTC124EK IC4022,IC4032 NJM79M05FA D1103,D1106 1SS355 Q4054 2SA1037K D1101 S1VB20/F03 Q4022,Q4052 2SB951A D1102 UDZS5.1B Q4021,Q4051 2SD1277A COILS Q4053 2SK1132 D4031,D4032,D4057 1SS355 L1101,L1102 NOISE FILTER RTF1167 D4003,D4004 D3SBA20(B) D4041 HZU2.2B...
Page 169 VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. CAPACITORS DSP DIODE ASSY C1201-C1207 CQHA102J2A SEMICONDUCTOR RESISTORS D1903 D5SBA20(B) R1231-R1237 RD1/4MUF100J R1211,R1212 RS2LMF331J OTHERS R1221-R1225 RS1/16S124J CN1904 4P CONNECTOR S04B-XASK-1 OTHERS J1201 BOARD IN WIRE ADX7362 J1206 3P CONNECTOR ASSY ADX7364 SP (B) ASSY J1207,J1208 1P WIRE...
Page 170: Adjustment
VSX-49TX, VSX-47TX Mark No. Description Part No. Mark No. Description Part No. FUSE ASSY 6. ADJUSTMENT OTHERS There is no information to be shown in this chapter. H1801-H1810 FUSE CLIP AKR1004 CN1803 4P CONNECTOR B04B-XASK-1 CN1802 8P CONNECTOR B08B-XASK-1 CN1801 12P CONNECTOR S12B-XASK-1 TRANS (A) ASSY...
Page 171: General Information
VSX-49TX, VSX-47TX 3. Master volume switching (Press [5] key) 7. GENERAL INFORMATION When this code is issued, the master volume changes. Trimming of all channels becomes 0 dB at this time. 7.1 DIAGNOSIS Display transition: 7.1.1 Test Mode TEST VOL MIN → TEST VOL MAX → TEST VOL MIN •...
Page 172: Protection Circuit Control
VSX-49TX, VSX-47TX 7.1.2 Protection Circuit Control The reception points on the line: AM : 1008 kHz Specifications FM : 89 MHz ∗ If this code is issued during auto scanning, it merely causes the Microcomputer-related ports operation to stop. Issue the code again to resume auto scanning. TRANS_DET (pin 87) Input port : To detect temperature rise at the transformer 9.
Page 173 VSX-49TX, VSX-47TX If the port becomes "L" within 3 seconds, the unit resets If this status continues for more than 3 seconds, the power is turned automatically. off (for Standby mode). If the port becomes "L" within 3 seconds, the unit resets (2) Transformer temperature rise control automatically.
Page 174 VSX-49TX, VSX-47TX ÷ Protection process list...
Page 175: Disassembly
VSX-49TX, VSX-47TX 7.1.3 DISASSEMBLY Exterior Block Remove the Top Plate BK (Screws × 13) Remove 9 screws and three connectors Remove the Side Alum BK (Screws × 5)(for VSX-49TX) Remove the Side Plate BK (Screws × 5)(for VSX-47TX) POWER AMP (BR) POWER AMP (R) Assy Assy...
Page 176 VSX-49TX, VSX-47TX Rear Panel Block Power Supply Block Remove screws (× 33) Power Transformer Remove the connector from SP (B) Assy Capacitor Remove screws (× 26) DIODE (C1, C2) Assy Remove six connectors from MOTHER Assy SP (A) Assy FUSE Remove the Rear Panel Assy Rear Panel...
Page 177 VSX-49TX, VSX-47TX DSP and DAC Block Remove two PCB Frame B (Screws × 4) Remove 6 screws Remove two Wire Clip Remove the Shield Case B Remove the screw ×3 Shield Case B Remove the Shield Case A ×2 PCB Frame B ×4 ×3 Shield Case A...
Page 178 VSX-49TX, VSX-47TX Front Panel Block Remove screws (× 15) Remove the Front Panel Block ×2 ×2 ×3 ×6 HEADPHONE FRONT A/V MIC & OPT Assy Assy Assy INPUT SEL Assy POWER SW Assy STANDBY MIC AMP Assy Assy DISPLAY Assy VOL Assy FL SUPPLY Assy...
Page 179: Parts
VSX-49TX, VSX-47TX 7.2 PARTS 7.2.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. • List of IC PDG5685A9, PD5686A, PD5687A, BU4094BCFV PD5685A9 (MOTHER ASSY : IC5801) •...
Page 180 VSX-49TX, VSX-47TX • Pin Function – " " L x i f – " " L x i f " " L x i f " " L x i f " " L x i f . t i "...
Page 181 VSX-49TX, VSX-47TX c t i c t i i t l i t l − " " L x i f − i t l c t i 4 Ω Ω Ω Ω c t i " " L x i f u l l u l l u l l...
Page 182 VSX-49TX, VSX-47TX PD5686A (DISPLAY ASSY : IC3001) • Display Microcomputer • Pin Assignment (Top view) FL SW P20/BUZ02/FLD00 P75/AN5 MR SW P74/AN4 P21/FLD01 KEY1 P22/FLD02 P73/AN3 KEY2 P23/FLD03 P72/AN2 KEY3 P71/AN1 P24/FLD04 KEY4 P25/FLD05 P70/AN0 1W W.UP P26/FLD06 P61/CNTR0/CNTR2 P60/CNTR1 P27/FLD07 SR IN P00/FLD08...
Page 183 VSX-49TX, VSX-47TX • Pin Function − − − l l i − l l i − – – − − −...
Page 184 VSX-49TX, VSX-47TX PD5687A (DSP ASSY : IC701) • DSP Microcomputer • Pin Function ) t i t s i − − c t i t i r t i r t i r...
Page 185 VSX-49TX, VSX-47TX − − y f i c t i ) t r ) t r ) t r ) t r ) t r ) t r ) t r − ) t r − −...
Page 186 VSX-49TX, VSX-47TX BU4094BCFV (DSP ASSY : IC703) • Expansion IC • Pin Function l a i c t i c t i n i l − − − BU4094BCFV (DSP ASSY : IC704) • Expansion IC • Pin Function i g i c t i −...
Page 187 VSX-49TX, VSX-47TX BU4094BCFV (DSP ASSY : IC705) (VSX-49TX only) • Expansion IC • Pin Function c t i c t i c t i − − − n i l −...
Page 188: Display
VSX-49TX, VSX-47TX 7.2.2 DISPLAY AAV7081 (DISPLAY ASSY : V3001) • FL Indicator Tube Grid Assignment 17Gd 17Gc 17Gb 17Ga 16G 15G 14G 13G 12G 11G 10G 9G 1Gc 1Gb 1Ga 1-1A 2-1A 3-1A 4-1A 5-1A 1-1B 2-1B 3-1B 4-1B 5-1B 1-2A 2-2A 3-2A 4-2A 5-2A 1-2B 2-2B...
Page 189 VSX-49TX, VSX-47TX Anode Connection 17Gd to 17Ga 16G to 2G 1Gc to 1Ga 17Gd to 17Ga 16G to 2G 1Gc to 1Ga − − 1-1A 1-1B − − 2-1A 2-1B − − 3-1A 3-1B − − 4-1A 4-1B − − 5-1A 5-1B −...
Page 190: Remote Control Unit
VSX-49TX, VSX-47TX 7.3 REMOTE CONTROL UNIT 7.3.1 AXD7295 (for VSX-49TX) 7.3.1.1 EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
Page 191 VSX-49TX, VSX-47TX • PARTS LIST Mark No. Description Part No. • • • • • PCB Assy AZC7299 • • • • • • • • • • Terminal A 411RRC15801R Terminal B 411RRC15901R Jumper Cable E–AA1446–001 EL Module AZC7294 LCD Module AZC7295 Touch Panel...
Page 192 VSX-49TX, VSX-47TX 7.3.1.2 SCHEMATIC DIAGRAM TABLET 2 3 4 5 6 7 8 DTA114YKA DTA114YKA 2SK2009 D6 - D9 ISS226 DTC114YKA C10 - C13 1000p C11 C12 C13 R27 1k R28 1k P107 R29 1k P107 P106 P106 R30 1k P105 P105 P104...
Page 193 VSX-49TX, VSX-47TX IC16 IC15 (1/2) IC17 BCLK IC18 BCLK M30612MG-249GP ALE/P56 13 IC15 (2/2) 6.8k 2.2/50 6.8k 2.2/50 LOCK 6.8k X1 8MHz 3.3/50 6.8k 2,2/50 SB330A30FS 2SK2009 VOIN 6.8k VCLK ON/OFF IC10 BA10324AF VSTRB CONT VOUT MODULE 47µH 2SJ356 CL2031-1 D3 1SS294 N.C.
Page 194 VSX-49TX, VSX-47TX 7.3.1.3 PCB DIAGRAM Open (Remove) JP2 (L). IC6 IC7 IC15 M30622 7474 IC15 IC16 Open (Remove) JP1 (H). IC17 IC5 IC18 SB330A30FS BA10324AF IC10 IC10 M6627AFP SIDE A...
Page 195 VSX-49TX, VSX-47TX SIDE B...
Page 196 VSX-49TX, VSX-47TX 7.3.2 AXD7299 (for VSX-47TX) 7.3.2.1 EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
Page 197 VSX-49TX, VSX-47TX 7.3.2.2 PCB DIAGRAM SIDE A SIDE B...
Page 198 VSX-49TX, VSX-47TX 7.3.2.3 SCHEMATIC DIAGRAM JACK COM9 - COM16 DB0 - P00 100k DB1 - P01 RN2414 DB2 - P02 DB3 - P03 DB4 - P04 DB5 - P05 DB6 - P06 DB7 - P07 SEG20 SEG21 E - PS1 SEG22 R/W - PS0 SEG23...
Page 199 VSX-49TX, VSX-47TX KEY BACK LIGHT LCD BACK LIGHT R25-R42 : 1k R43-R46 : 220 R25 R26 R27 R28 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R41 R42 R43 R44 R45 R46 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 74HC08 DTD113...
Page 200 VSX-49TX, VSX-47TX 7.3.2.4 PCB PARTS LIST • NOTES: mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. • When ordering resistors, first convert resistance values into code form as shown in the following examples. Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%, and K=10%).
Page 201: Panel Facilities And Specifications
VSX-49TX, VSX-47TX 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Section (VSX-49TX) All the controls on the front panel are explained and/or referenced here. To open the front panel push gently on the lower third of the panel. VSX-49TX 9 10 AUDIO/VIDEO MULTI-CHANNEL AMPLIFIER VSX-49TX...
Page 202 Press to use the multi room feature (requires an 25 Front VIDEO INPUT jacks optional PIONEER Multi-Room Remote Sensor DIGITAL IN : digital input for connecting a game Unit MR-100 or another IR receiver). console, portable DVD player, video camera CONTROL button: Used together with the (etc.), that has an optical digital connection.
Page 203 VSX-49TX, VSX-47TX Front Section (VSX-47TX) VSX-47TX AUDIO/VIDEO MULTI-CHANNEL AMPLIFIER VSX-47TX LISTENING MODE SELECTOR STANDBY/ON MULTI ROOM STANDBY VIDEO AUDIO CD-R/ MULTI CH DVD/LD VIDEO VCR1/DVR VCR2 TUNER PHONO TAPE1/MD INPUT INPUT SELECTOR MASTER VOLUME TONE TUNER MULTI ROOM & SOURCE ACOUSTIC LISTENING CAL.
Page 204 VSX-49TX, VSX-47TX Display (VSX-49TX) All the display information is explained and /or referenced here. SIGNAL AUTO DIGITAL OVER ATT DIGITAL DISC MTRX ANALOG PRO LOGIC TAPE 2 TUNED STEREO MONO Neo :6 MPEG RF ATT PLAYBACK 6 Digital format indicators 1 SIGNAL SELECT indicators DIGITAL : Lights when a Dolby Digital signal is Light to indicate the input signal you selected.
Page 205 This button turns off components in two ways. 4 Function buttons First, when pressed it will turn off all PIONEER These buttons are the basic controls that switch components. Secondly, any component that has...
Page 206 VSX-49TX, VSX-47TX Basic Receiver LCD Screens Receiver MAIN Screen Receiver MAIN LISTENING MODE (DVD-A SURROUND /SACD) STEREO MULTI CH STANDARD /DIRECT ADVANCED ADVANCED LISTENING CINEMA CONCERT CH SEL. ACOUSTIC DIGITAL MIDNIGHT CAL. 3 4 5 6 1 Receiver MAIN button 5 MULTI CH IN button Press this button to select the MAIN receiver Use to hook up an external component (for...
Page 207 VSX-49TX, VSX-47TX Receiver SUB Screen Receiver MAIN BASS/ TONE TREBLE EFFECT/ CH SEL. DISPLAY VIDEO DIMMER SELECT SPEAKER INPUT STATUS LOUDNESS ATT. SYSTEM TAPE 2 SIGNAL SETUP MONITOR SELECT 1 Receiver SUB button 9 SIGNAL SELECT button Press this button to select the SUB receiver Press SIGNAL SELECT repeatedly to select one of screen (above) when the remote control is on the the following:...
Page 208 VSX-49TX, VSX-47TX Remote Control Unit (VSX-47TX) These pages describe the buttons on the remote control used to operate the receiver. TV CONTROL: Press so that the remote control can operate the TV CONTROL commands. 4 Number buttons SETUP These can be used for many purposes depending on the mode of the receiver.
Page 209 ! SYSTEM OFF button effect level and channel level. This button turns off components in two ways. First, when pressed it will turn off all PIONEER 5 SYSTEM SET UP button components. Secondly, any component that Use to set up the speaker and sound systems. For has programmed into the SYSTEM OFF more information see “Setting up for Surround...
Page 210 VSX-49TX, VSX-47TX 8.2 SPECIFICATIONS VSX-49TX : Video Section Amplifier Section Input (Sensitivity) .......... 1 Vp-p/75 Ω Output (Level/Impedance) ......1 Vp-p/75 Ω Continuous average power output of 160 watts* per channel, min., at 6 Signal-to-Noise Ratio ..........70 dB Frequency Response ...... 5 Hz to 10 MHz ohms, from 20 Hz to 20,000 Hz with no –3 more than 0.09 %** total harmonic...
Page 211 VSX-49TX, VSX-47TX VSX-47TX : Video Section Amplifier Section Input (Sensitivity) .......... 1 Vp-p/75 Ω Output (Level/Impedance) ......1 Vp-p/75 Ω Continuous average power output of 160 watts* per channel, min., at 6 Signal-to-Noise Ratio ..........70 dB Frequency Response ...... 5 Hz to 10 MHz ohms, from 20 Hz to 20,000 Hz with no –3 more than 0.09 %** total harmonic...
Page 212 VSX-49TX, VSX-47TX Accessories (VSX-49TX) lock CONTROL REMOTE SETUP LIGHT RECEIVER FUNCTION CD-R/ DVD/LD TAPE1 VCR1 TUNER – /DVR VCR2 VIDEO – VCR3 CONTROL FUNCTION MASTER VOLUME MULTI SYSTEM OPERATION MUTING STANDBY/ON ENTER – FM wire antenna AM loop antenna “AA” IEC LR6 Remote control unit Touch pen (ADH7010)

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