Page 1: 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 2: 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 3: Exploded Views And Parts List
Remote Control Stand See Contrast table (2) Handle Cover AHX7034 Microphone See Contrast table (2) (2) CONTRAST TABLE VSX-49TX/KU/CA and VSX-47TX/KU/CA constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks VSX-49TX/KU/CA VSX-47TX/KU/CA Remote Control Unit AX10KU...
Page 4: Exterior Section
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 5 ARW7151 FUSE Coution Label VRW-548 ICP Coution Label ARW7150 Binder ZCA-BK1 (2) CONTRAST TABLE VSX-49TX/KU/CA and VSX-47TX/KU/CA are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks VSX-49TX/KU/CA VSX-47TX/KU/CA Side Alum BK AAH7081...
Page 6 VSX-49TX, VSX-47TX 2.3 CHASSIS SECTION Refer to "2.4 REAR PANEL SECTION". VSX-49TX ONLY...
Page 7 PCB Spacer VEC1508 Side Frame R See Contrast table (2) Fuse (FU9-FU10, 1A) VEK1014 (2) CONTRAST TABLE VSX-49TX/KU/CA and VSX-47TX/KU/CA are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks VSX-49TX/KU/CA VSX-47TX/KU/CA MOTHER Assy...
Page 8 VSX-49TX, VSX-47TX 2.4 REAR PANEL SECTION VSX-49TX ONLY...
Page 9 ADD7334 (SP(A) CN1104 – MOTHER CN5801) J22 FFC (13P) ADD7333 (TUNER CN2705 – MOTHER CN5802) (2) CONTRAST TABLE VSX-49TX/KU/CA and VSX-47TX/KU/CA are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks VSX-49TX/KU/CA VSX-47TX/KU/CA...
Page 10 VSX-49TX, VSX-47TX 2.5 HEAT SINK SECTION...
Page 11 Screw ABA7076 Screw ABA7083 Over head Terminal wire(RED) ADX7383 Over head Terminal wire(BLUE) ADX7384 (2) CONTRAST TABLE VSX-49TX/KU/CA and VSX-47TX/KU/CA are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks VSX-49TX/KU/CA VSX-47TX/KU/CA Heat Sink L...
Page 12 VSX-49TX, VSX-47TX 2.6 FRONT PANEL SECTION...
Page 13 (FL Supply CN1901 – FUSE CN1803) LED Lens PNW2019 Panel Base C BK AMB7785 Door Hinge L ANG7379 (2) CONTRAST TABLE VSX-49TX/KU/CA and VSX-47TX/KU/CA are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks VSX-49TX/KU/CA VSX-47TX/KU/CA DISPLAY Assy...
Page 14: 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...
Page 15 : Audio Signal Route (C) : Audio Signal Route (REC) : Audio Signal Route (S) Same as the above circuit. (SB) (SB) : Audio Signal Route (SB) (SBL) : Audio Signal Route (SBL) DAC 10 ASSY (VSX-49TX) DAC 8 ASSY (VSX-47TX)
Page 16: Component Assy
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...
Page 17: Display Assy
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...
Page 18: Mother Assy
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...
Page 19 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...
Page 20: Overall Wiring Diagram
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...
Page 21 (AWX7834) ADD7334 HEADPHONE ASSY ADD7332 (AWX7874) VSX-49TX ONLY ADD7333 J1206 ADX7364 CN1007 V-CONVERT ASSY AC INLET ASSY SP (A) ASSY : VKP2251 (AWX7952) (AWX7848) SP (B) ASSY (AWX7852) MOTHER ASSY FU1 : AEK-306 (12A/125V) (VSX-49TX : AWX7890) (VSX-47TX : AWX7891)
Page 22 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 23 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 24 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 25 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)
Page 26 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 27 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...
Page 28 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 29 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 30 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 31 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...
Page 32 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...
Page 33: Video Connect Assy
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)
Page 34 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 35 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 36 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 37 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)
Page 38 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...
Page 39 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...
Page 40 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 41 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 42 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 43 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 44 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 45 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...
Page 46 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 47 VSX-49TX, VSX-47TX : AUDIO SIGNAL ROUTE (F) : AUDIO SIGNAL ROUTE (C) AMUTE2 ON : +3.4V OFF : -20V...
Page 48 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 49 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 50 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 51 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)
Page 52 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 53 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)
Page 54 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 55: Dsp Assy
VSX-49TX, VSX-47TX DSP ASSY (VSX-49TX : AWX7719) (VSX-47TX : AWX7720) : AUDIO SIGNAL ROUTE (DIGITAL) Q204 2SA1037K(QR) RF Demodulator SRAM...
Page 56 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 57 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...
Page 58 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 59 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 60 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...
Page 61 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 62 VSX-49TX, VSX-47TX 3.23 DSP3 ASSY (VSX-49TX ONLY) 3.3V Flash ROM (SB) (SB) (SB) (SB) CN708 CN402...
Page 63 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 64 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 65 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 66 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 67 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 68 VSX-49TX, VSX-47TX 3.26 DAC8 ASSY (1/2) (VSX-47TX ONLY) D/A Converter (SB) D/A Converter CN5812 CN5813...
Page 69 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 70 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 71 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 72 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...
Page 73 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.
Page 74 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...
Page 75 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.
Page 76 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 77 VSX-49TX, VSX-47TX LOCAL SUPPLY ASSY (AWX7887) CN704 5.6V 5.6V -5.6V J5806 CN5805 -20V CN5004 -56V...
Page 78 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 79 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...
Page 80 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...
Page 81 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...
Page 82: 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 83 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 84 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 85 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 86 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 87 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 88 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 89 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 90 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 91: Headphone Assy
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 92 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 93 VSX-49TX, VSX-47TX SIDE B ANALOG IN & A/D ASSY IC3901 (ANP7390-A)
Page 94 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 95: Multi Jog Assy
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 96 VSX-49TX, VSX-47TX DISPLAY ASSY IC3001 MULTI JOG ASSY (ANP7390-A) VOL ASSY (ANP7390-A)
Page 97 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 98 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...
Page 99 VSX-49TX, VSX-47TX VR & PRE OUT ASSY (ANP7392-A) SIDE B...
Page 100 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 101 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 102 VSX-49TX, VSX-47TX Q5814 IC5806 Q5805 IC5807 Q5813...
Page 103 VSX-49TX, VSX-47TX SIDE B MOTHER ASSY IC5801 IC5807 IC5809 IC5808 (ANP7392-A)
Page 104 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...
Page 105 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 106: Dac10 Assy
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...
Page 107 VSX-49TX, VSX-47TX DAC10 ASSY Q6410 Q6409 Q6310 Q6309 Q6210 Q6209 Q6110 Q6109 (ANP7394-A) SIDE B...
Page 108: Dac8 Assy
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...
Page 109 VSX-49TX, VSX-47TX DAC8 ASSY Q6802 Q6801 Q6702 Q6701 Q6602 Q6601 Q6502 Q6501 (ANP7416-A) SIDE B...
Page 110 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 111 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 112 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 113 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 114 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 115 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...
Page 116: Local Supply And Dsp Diode Assys
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...
Page 117 VSX-49TX, VSX-47TX LOCAL SUPPLY ASSY Q4054 (ANP7391-B) DSP DIODE ASSY SIDE B...
Page 118 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 119 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 120 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 121 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 122: 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.
Page 123 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...
Page 124 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...
Page 125 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...
Page 126 JA2301 AKP7049 TRIPLE 4P MINI DIN SOCKET C2115,C2129,C2177-C2179 CEAT100M50 CN2306 8P SOCKET KP200TA8L C2101-C2106,C2114,C2124,C2125 CEAT101M10 C2135,C2136,C2141,C2142 CEAT101M10 C2165,C2166 CEAT101M10 C2131 CEAT1R0M50 V-CONVERT ASSY (VSX-49TX Only) C2180 CEAT470M10 C2107-C2113,C2137,C2138 CKSRYB103K50 SEMICONDUCTORS C2143,C2144,C2154-C2156 CKSRYB103K50 IC2862 BU4094BCF C2159-C2161,C2167,C2168,C2170 CKSRYB103K50 IC2852 MM1093NF IC2863 NJM78M09FA...
Page 127 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...
Page 128 C3427,C3447,C3467,C3487 CKSRYB102K50 KN3201 EARTH METAL FITTING VNF1084 C3505-C3508,C3513,C3514 CKSRYB103K50 C3605-C3608,C3613,C3614 CKSRYB103K50 C3705-C3708,C3713,C3714 CKSRYB103K50 ANALOG IN & A/D ASSY C3805-C3808,C3813,C3814 CKSRYB103K50 C3423,C3424,C3443,C3444 CKSRYB104K16 (AWX7878 for VSX-49TX) C3463,C3464,C3483,C3484 CKSRYB104K16 C3517,C3518,C3521,C3522,C3575 CKSRYB104K16 SEMICONDUCTORS C3577,C3579,C3581,C3617,C3618 CKSRYB104K16 IC3421,IC3441,IC3461,IC3481 AK5383VS C3621,C3622,C3717,C3718 CKSRYB104K16 IC3901 BU4052BCF C3721,C3722,C3817,C3818 CKSRYB104K16...
Page 129 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...
Page 130 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)
Page 131 B TO B CONNECTOR 30P KN5802 EARTH METAL FITTING VNF1084 COILS L5802,L5803,L5806 ATL7002 CHIP FERRITE BEAD DSP ASSY L5804 LCTA1R0J2520 L5805,L5807-L5809 QTL1013 (AWK7719 for VSX-49TX) CHIP SOLID INDUCTOR SEMICONDUCTORS CAPACITORS IC301 ADSST21065LKS-264 IC101 AK4114VQ C5839 (0.1µF/5.5V) ACH7141 IC203 BA4558F-HT C5829,C5831,C5834,C5836...
Page 132 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...
Page 133 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)
Page 134 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...
Page 135 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...
Page 136 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...
Page 137 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...
Page 138 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...
Page 139 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...
Page 140: 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...
Page 141: 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 142: 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.
Page 143 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 144 VSX-49TX, VSX-47TX ÷ Protection process list...
Page 145: 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)
Page 146 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...
Page 147 ×2 PCB Frame B ×4 ×3 Shield Case A Remove the connector Remove 3 screw Remove DAC10 Assy (VSX-49TX), DAC8 Assy (VSX-47TX) and DSP Assy (Connectors × 5) DSP Assy VR & PRE OUT LOCAL SUPPLY Assy Assy DSP3 Assy (VSX-49TX Only) ×3...
Page 148: Front Panel Block
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...
Page 149: 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 150 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 151 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...
Page 152 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...
Page 153 VSX-49TX, VSX-47TX • Pin Function − − − l l i − l l i − – – − − −...
Page 154 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 155 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 156 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 157 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 158: 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...
Page 159 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 − −...
Page 160: 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.
Page 161: Parts List
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...
Page 162: Schematic Diagram
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...
Page 163 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 164 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 165 VSX-49TX, VSX-47TX SIDE B...
Page 166: Parts List
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.
Page 167 VSX-49TX, VSX-47TX 7.3.2.2 PCB DIAGRAM SIDE A SIDE B...
Page 168: Schematic Diagram
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...
Page 169 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...
Page 170 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.
Page 171: 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...
Page 172 –/+ button – Use to choose programmed radio component that can decode other types of stations. signals and input them into the VSX-49TX. 16 LISTENING CH SELECT button 24 SETUP MIC jack Use this button to select the number of Plug in the setup mic here.
Page 173 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...
Page 174 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...
Page 175 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 176: Basic Receiver Lcd Screens
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...
Page 177: Receiver Sub Screen
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...
Page 178 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 179 ! 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 180: Specifications
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...
Page 181 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...
Page 182 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...

This manual is also suitable for:

Vsx-47tx Vsx-ax10i-g

Pioneer VSX-49TX Service Manual

1 Safety Information

2 Exploded Views and Parts List

3 Block Diagram and Schematic Diagram

4 Pcb Connection Diagram

5 Pcb Parts List

6 Adjustment

7 General Information

8 Panel Facilities and Specifications

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