Service Manual
Page 1
..., refer to "Important symbols for good services". STANDBY/ON LISTENING MODE SELECT ENTER MULTI JOG AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-52TX DVD/LD TV/SAT DVR/VCR VIDEO1 CD-R/ CD TAPE/MD TUNER VIDEO2 MASTER VOLUME VSX-52TX AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-52TX VSX-1014TX-K ORDER NO. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium...
..., refer to "Important symbols for good services". STANDBY/ON LISTENING MODE SELECT ENTER MULTI JOG AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-52TX DVD/LD TV/SAT DVR/VCR VIDEO1 CD-R/ CD TAPE/MD TUNER VIDEO2 MASTER VOLUME VSX-52TX AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-52TX VSX-1014TX-K ORDER NO. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium...
Service Manual
Page 2
...special safety characteristics are not qualified to the state of identical designation. (slow operating fuse) on . The use of , PIONEER Service Manual may create shock, fire, or other reproductive harm. A subscription to time. Qualified technicians have the necessary test ... cord of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.). F 2 VSX-52TX 1 2 3 4 For the latest information, always consult the current PIONEER Service Manual. 1 2 3 4 SAFTY INFORMATION A This service manual is intended for voltage, wattage, etc.
...special safety characteristics are not qualified to the state of identical designation. (slow operating fuse) on . The use of , PIONEER Service Manual may create shock, fire, or other reproductive harm. A subscription to time. Qualified technicians have the necessary test ... cord of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.). F 2 VSX-52TX 1 2 3 4 For the latest information, always consult the current PIONEER Service Manual. 1 2 3 4 SAFTY INFORMATION A This service manual is intended for voltage, wattage, etc.
Service Manual
Page 3
... POSI 1 L ASSYS 52 3.16 POWER AMP-R and POSI 1 R ASSYS 54 3.17 REGULATOR ASSY ...56 3.18 TRANS 2-1, TRANS 2-2, DIODE, VH TR and SP/PS ASSYS 58 VSX-52TX 5 6 7 8 D E F 3 In accordance with this manual, if necessary. 5. EXPLODED VIEWS AND PARTS LIST...6 2.1 PACKING ...6 2.2 EXTERIOR SECTION ...8 2.3 CHASSIS SECTION ...10 2.4 REAR PANEL SECTION ...12 2.5 HEAT SINK...
... POSI 1 L ASSYS 52 3.16 POWER AMP-R and POSI 1 R ASSYS 54 3.17 REGULATOR ASSY ...56 3.18 TRANS 2-1, TRANS 2-2, DIODE, VH TR and SP/PS ASSYS 58 VSX-52TX 5 6 7 8 D E F 3 In accordance with this manual, if necessary. 5. EXPLODED VIEWS AND PARTS LIST...6 2.1 PACKING ...6 2.2 EXTERIOR SECTION ...8 2.3 CHASSIS SECTION ...10 2.4 REAR PANEL SECTION ...12 2.5 HEAT SINK...
Service Manual
Page 4
..., TRANS SIDE, TRANS 1 and PRIMARY ASSYS 60 4. ADJUSTMENT ...113 7. PCB PARTS LIST ...103 6. PANEL FACILITIES ...143 8.1 FRONT PANEL ...143 8.2 DISPLAY ...145 8.3 REMOTE CONTROL UNIT ...147 D E F 4 VSX-52TX 1 2 3 4
..., TRANS SIDE, TRANS 1 and PRIMARY ASSYS 60 4. ADJUSTMENT ...113 7. PCB PARTS LIST ...103 6. PANEL FACILITIES ...143 8.1 FRONT PANEL ...143 8.2 DISPLAY ...145 8.3 REMOTE CONTROL UNIT ...147 D E F 4 VSX-52TX 1 2 3 4
Service Manual
Page 5
E F VSX-52TX 5 5 6 7 8 Mono: 13.2 dBf, IHF (1.3 µV/75Ω) 50 dB Quieting Sensitivity Mono: 20.2 dBf Stereo:38.6 dBf Signal-to-Noise Ratio Mono: 73 dB (at 85 dBf) Stereo: 70 dB (at 85 dBf) Distortion Stereo: 0.5% (1 kHz) Alternate Channel Selectivity 60 dB (400 kHz) Stereo ... 7 8 A Antenna Input 75Ω unbalanced AM Tuner Sectio Frequency Range 530 kHz to 1,700 kHz Sensitivity (IHF, Loop antenna 350 µV/m Selectivity 25 dB Signal-to 108 MHz Usable Sensitivity ......... Cleaning the uni • Use a polishing cloth or dry cloth to wipe off dust and D...
E F VSX-52TX 5 5 6 7 8 Mono: 13.2 dBf, IHF (1.3 µV/75Ω) 50 dB Quieting Sensitivity Mono: 20.2 dBf Stereo:38.6 dBf Signal-to-Noise Ratio Mono: 73 dB (at 85 dBf) Stereo: 70 dB (at 85 dBf) Distortion Stereo: 0.5% (1 kHz) Alternate Channel Selectivity 60 dB (400 kHz) Stereo ... 7 8 A Antenna Input 75Ω unbalanced AM Tuner Sectio Frequency Range 530 kHz to 1,700 kHz Sensitivity (IHF, Loop antenna 350 µV/m Selectivity 25 dB Signal-to 108 MHz Usable Sensitivity ......... Cleaning the uni • Use a polishing cloth or dry cloth to wipe off dust and D...
Service Manual
Page 6
...SYSTEM TUNE GUIDE SETUP TV CONTROL RETURN TV VOL INPUT SELECT TV CH VOL DTVON/OFF REC DTVINFO MUTE TUNER DISPLAY REC STOP MPX AUDIO THX CH RETURN SUBTITLE HDD DVD CH CH RECEIVER CONTROL STANDARD ADV.SURR STEREO ACOUSTIC SIGNAL MIDNIGHT/ AUTO SURR... EQ SELECT LOUDNESS SHIFT EFFECT /CH SEL SLEEP DIALOG E RECEIVER Remote Control Unit ( AXD7381 ) 8 9 1 10 12 14 15 13 16 AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-52TX FM Wire Antenna (ADH7030) "AA" IEC LR6 batteries Operating Instructions Operating Instructions (VSX-52TX : ARB7302) (VSX-1014TX-K : ARB7305) ...
...SYSTEM TUNE GUIDE SETUP TV CONTROL RETURN TV VOL INPUT SELECT TV CH VOL DTVON/OFF REC DTVINFO MUTE TUNER DISPLAY REC STOP MPX AUDIO THX CH RETURN SUBTITLE HDD DVD CH CH RECEIVER CONTROL STANDARD ADV.SURR STEREO ACOUSTIC SIGNAL MIDNIGHT/ AUTO SURR... EQ SELECT LOUDNESS SHIFT EFFECT /CH SEL SLEEP DIALOG E RECEIVER Remote Control Unit ( AXD7381 ) 8 9 1 10 12 14 15 13 16 AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-52TX FM Wire Antenna (ADH7030) "AA" IEC LR6 batteries Operating Instructions Operating Instructions (VSX-52TX : ARB7302) (VSX-1014TX-K : ARB7305) ...
Service Manual
Page 7
...Packing Sheet 16 Packing Case AXD7381 A XZN3140 VEM1023 AHA7428 AHA7429 RHC1023 See Contrast table (2) B (2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: Mark NSP No. Symbol and Description 6 Warranty Card 7... Operating Instructions (English) 16 Packing Case 52KU 16 Packing Case 1014KU VSX-52TX /KUXJ/CA ARY7007 ARB7302 AHD8255 Not used VSX-1014TX-K /KUXJC ARY7045 ARB7305 Not used AHD8256 C D E F VSX-52TX 7 5 6 7 8 Mark No. 5 6 7 8 (1) PACKING parts List Mark No...
...Packing Sheet 16 Packing Case AXD7381 A XZN3140 VEM1023 AHA7428 AHA7429 RHC1023 See Contrast table (2) B (2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: Mark NSP No. Symbol and Description 6 Warranty Card 7... Operating Instructions (English) 16 Packing Case 52KU 16 Packing Case 1014KU VSX-52TX /KUXJ/CA ARY7007 ARB7302 AHD8255 Not used VSX-1014TX-K /KUXJC ARY7045 ARB7305 Not used AHD8256 C D E F VSX-52TX 7 5 6 7 8 Mark No. 5 6 7 8 (1) PACKING parts List Mark No...
Service Manual
Page 8
F 8 1 VSX-52TX 2 7 4 11 Refer to 11 "2.6 FRONT PANEL SECTION". 1 2 2.2 EXTERIOR SECTION A NON-CONTACT SIDE CONTACT SIDE 10 1 B 10 3 4 8 11 10 11 10 11 11 6 5 11 C 2 11 11 11 3 5 11 11 6 10 D 11 11 11 11 E 4 11 11 9 11 11 Refer to "2.3 CHASSIS SECTION". 3 4
F 8 1 VSX-52TX 2 7 4 11 Refer to 11 "2.6 FRONT PANEL SECTION". 1 2 2.2 EXTERIOR SECTION A NON-CONTACT SIDE CONTACT SIDE 10 1 B 10 3 4 8 11 10 11 10 11 11 6 5 11 C 2 11 11 11 3 5 11 11 6 10 D 11 11 11 11 E 4 11 11 9 11 11 Refer to "2.3 CHASSIS SECTION". 3 4
Service Manual
Page 10
1 2 3 4 2.3 CHASSIS SECTION NON-CONTACT SIDE CONTACT SIDE 32 1 A 32 32 AF 9 F Y5 10 4 10 14 AB 32 15 30 6 A B AE 11 31 X 29 28 31 D B 31 C I 33 32 2 3 Z D 32 32 16 EF H 26 13 12 30 32 C 31 A 32 32 IH 8 32 AD D 32 17 18 32 E C B 32 Refer to "2.5 HEATSINK SECTION". 30 32 AA 7 32 23 24 23 32 32 32 32 Refer to "2.4 REAR PANEL SECTION". 32 19 E 32 32 32 32 Screw Cover (Accessory of Panel Base V1B) F 32 21 25 27 27 20 32 VSX-52TX 32 Only 22 25 10 VSX-52TX 1 2 3 4
1 2 3 4 2.3 CHASSIS SECTION NON-CONTACT SIDE CONTACT SIDE 32 1 A 32 32 AF 9 F Y5 10 4 10 14 AB 32 15 30 6 A B AE 11 31 X 29 28 31 D B 31 C I 33 32 2 3 Z D 32 32 16 EF H 26 13 12 30 32 C 31 A 32 32 IH 8 32 AD D 32 17 18 32 E C B 32 Refer to "2.5 HEATSINK SECTION". 30 32 AA 7 32 23 24 23 32 32 32 32 Refer to "2.4 REAR PANEL SECTION". 32 19 E 32 32 32 32 Screw Cover (Accessory of Panel Base V1B) F 32 21 25 27 27 20 32 VSX-52TX 32 Only 22 25 10 VSX-52TX 1 2 3 4
Service Manual
Page 11
... See Contrast table (2) AMR2534 PNW2917 DNK2769 AEC7500 AEC7370 ZCA-BK1 B AAX8052 IBZ30P150FCC ABA7109 BBZ30P080FCC ABA7060 (2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: C Mark No. 5 6 (1) CHASSIS SECTION parts List Mark... No. Symbol and Description VSX-52TX /KUXJ/CA VSX-1014TX-K /KUXJC NSP NSP 20 Stabilizer 45 22 Under Base 52 22 Under Base 1014 ANG7408 ANA7166 Not used Not used Not used ANA7161 D E F VSX-52TX 11 5 6 7 8 Description 1 PRIMARY Assy 2 ...
... See Contrast table (2) AMR2534 PNW2917 DNK2769 AEC7500 AEC7370 ZCA-BK1 B AAX8052 IBZ30P150FCC ABA7109 BBZ30P080FCC ABA7060 (2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: C Mark No. 5 6 (1) CHASSIS SECTION parts List Mark... No. Symbol and Description VSX-52TX /KUXJ/CA VSX-1014TX-K /KUXJC NSP NSP 20 Stabilizer 45 22 Under Base 52 22 Under Base 1014 ANG7408 ANA7166 Not used Not used Not used ANA7161 D E F VSX-52TX 11 5 6 7 8 Description 1 PRIMARY Assy 2 ...
Service Manual
Page 12
1 2 3 4 2.4 REAR PANEL SECTION NON-CONTACT SIDE CONTACT SIDE A 13 VSX-52TX Only 16 B 15 1 2 23 19 23 24 25 23 23 21 23 23 23 23 23 23 23 K F G 18 22 C E D 3 C 4 VSX-52TX Only 23 5 17 A 7 23 To POWER AMP IN 8 6 AC B 9 D from POWER PROTECT L M 10 from TRANS SIDE 12 To E TRANS 2-1 W 20 14 11 F 12 VSX-52TX 1 2 3 4
1 2 3 4 2.4 REAR PANEL SECTION NON-CONTACT SIDE CONTACT SIDE A 13 VSX-52TX Only 16 B 15 1 2 23 19 23 24 25 23 23 21 23 23 23 23 23 23 23 K F G 18 22 C E D 3 C 4 VSX-52TX Only 23 5 17 A 7 23 To POWER AMP IN 8 6 AC B 9 D from POWER PROTECT L M 10 from TRANS SIDE 12 To E TRANS 2-1 W 20 14 11 F 12 VSX-52TX 1 2 3 4
Service Manual
Page 13
... 1014KU 22 Hexagonal Screw ADE7085 ANC8249 Not used ABA7078 Not used Not used ANC8254 Not used D E F VSX-52TX 13 5 6 7 8 Symbol and Description VSX-52TX /KUXJ/CA VSX-1014TX-K /KUXJC 1 12V TRIGGER Assy AWX8395 Not used 4 COMPOSITE V Assy AWX8353 AWX8362 5 MULTI CH I... A ADD7476 ADD7478 ADD7472 See Contrast table (2) AEC7502 AAK8176 See Contrast table (2) BBZ30P080FCC BBT30P100FCC AED7081 B (2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: Mark No. See Contrast table (2) AWX8358 AWX8361 See Contrast table ...
... 1014KU 22 Hexagonal Screw ADE7085 ANC8249 Not used ABA7078 Not used Not used ANC8254 Not used D E F VSX-52TX 13 5 6 7 8 Symbol and Description VSX-52TX /KUXJ/CA VSX-1014TX-K /KUXJC 1 12V TRIGGER Assy AWX8395 Not used 4 COMPOSITE V Assy AWX8353 AWX8362 5 MULTI CH I... A ADD7476 ADD7478 ADD7472 See Contrast table (2) AEC7502 AAK8176 See Contrast table (2) BBZ30P080FCC BBT30P100FCC AED7081 B (2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: Mark No. See Contrast table (2) AWX8358 AWX8361 See Contrast table ...
Service Manual
Page 17
Symbol and Description VSX-52TX /KUXJ/CA VSX-1024TX-K /KUXJC 2 DISPLAY Assy AWX8377 AWX8389 10 Pioneer Badge B 11 F. Sheet 52KU AAK8179 Not used ANB7335 E F VSX-52TX 17 5 6 7 8 Description 1 MULTI JOG Assy 2 DISPLAY Assy 3 VOLUME Assy 4 HEADPHONE Assy 5 FRONT-IN Assy Part No. Panel... table (2) AWX8378 AWX8380 AWX8381 6 7 8 NSP 9 10 FRONT-IN CONNECT Assy Flexible Cable (15P) Flexible Cable (26P) Earth Lead Wire Pioneer Badge B AWX8416 ADD7473 ADD7474 ADH7022 See Contrast table (2) 11 F. Panel 1014KU PAN1376 ANB7338 Not used AAN7218 Not used ANB7339 14 D. Sheet 15...
Symbol and Description VSX-52TX /KUXJ/CA VSX-1024TX-K /KUXJC 2 DISPLAY Assy AWX8377 AWX8389 10 Pioneer Badge B 11 F. Sheet 52KU AAK8179 Not used ANB7335 E F VSX-52TX 17 5 6 7 8 Description 1 MULTI JOG Assy 2 DISPLAY Assy 3 VOLUME Assy 4 HEADPHONE Assy 5 FRONT-IN Assy Part No. Panel... table (2) AWX8378 AWX8380 AWX8381 6 7 8 NSP 9 10 FRONT-IN CONNECT Assy Flexible Cable (15P) Flexible Cable (26P) Earth Lead Wire Pioneer Badge B AWX8416 ADD7473 ADD7474 ADH7022 See Contrast table (2) 11 F. Panel 1014KU PAN1376 ANB7338 Not used AAN7218 Not used ANB7339 14 D. Sheet 15...
Service Manual
Page 18
1 2 3 4 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM 3.1.1 AUDIO SECTION A G OPTICAL-IN ASSY B I FRONT-IN ASSY AC REAR TOP ASSY C J FRONT-IN CONNECT ASSY D A MULTI CH I/O ASSY E F 18 1 B AUDIO CONNECT ASSY VSX-52TX 2 3 4
1 2 3 4 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM 3.1.1 AUDIO SECTION A G OPTICAL-IN ASSY B I FRONT-IN ASSY AC REAR TOP ASSY C J FRONT-IN CONNECT ASSY D A MULTI CH I/O ASSY E F 18 1 B AUDIO CONNECT ASSY VSX-52TX 2 3 4
Service Manual
Page 19
M 2/2) A DSP ASSY AD TRANS SIDE ASSY H HEADPHONE ASSY W REGULATOR ASSY B AB PS/SP ASSY L ( L 1/3 - L 3/3) MAIN CONTROL ASSY C Q POWER AMP IN ASSY 5 D S POWER AMP_L ASSY U POWER AMP-R ASSY VSX-52TX 6 7 E F 19 8 5 6 7 8 M ( M 1/2 -
M 2/2) A DSP ASSY AD TRANS SIDE ASSY H HEADPHONE ASSY W REGULATOR ASSY B AB PS/SP ASSY L ( L 1/3 - L 3/3) MAIN CONTROL ASSY C Q POWER AMP IN ASSY 5 D S POWER AMP_L ASSY U POWER AMP-R ASSY VSX-52TX 6 7 E F 19 8 5 6 7 8 M ( M 1/2 -
Service Manual
Page 20
... 13 CVOUT OSD Q852 DVR OUT(Y) Y DVR OUT(C) C D S-VIDEO ASSY 20 VSX-52TX 1 2 3 4 CN812(3/3) MONITOR OUT OUT CN811(3/3) DVR/VCR 1 2 3 4 3.1.2 VIDEO and DISPLAY SECTIONS Video Block A VSX-52TX ONLY IC721 NJM2279M MULTI ROOM Selector JA721 MR OUT IC741 IC742 701(1/2) DVD/LD 701... 24 5 20 AIN Y/C SEPARATE IC731 TC74HC4052AF 14 13 11 IC732(1/2) TK15420M 7 6 Q745 LPF(Chroma) Q744 5 2 3 3 1 UCC UCY VSX-52TX ONLY 703(2/2) MONITOR OUT C COMPOSITE Selector DVR OUT OSD MXV 4 OSD Selector IC732(2/2) TK15420M +6 dB AMP or BUFFER 702(1/2) DVR COMPOSITE ASSY...
... 13 CVOUT OSD Q852 DVR OUT(Y) Y DVR OUT(C) C D S-VIDEO ASSY 20 VSX-52TX 1 2 3 4 CN812(3/3) MONITOR OUT OUT CN811(3/3) DVR/VCR 1 2 3 4 3.1.2 VIDEO and DISPLAY SECTIONS Video Block A VSX-52TX ONLY IC721 NJM2279M MULTI ROOM Selector JA721 MR OUT IC741 IC742 701(1/2) DVD/LD 701... 24 5 20 AIN Y/C SEPARATE IC731 TC74HC4052AF 14 13 11 IC732(1/2) TK15420M 7 6 Q745 LPF(Chroma) Q744 5 2 3 3 1 UCC UCY VSX-52TX ONLY 703(2/2) MONITOR OUT C COMPOSITE Selector DVR OUT OSD MXV 4 OSD Selector IC732(2/2) TK15420M +6 dB AMP or BUFFER 702(1/2) DVR COMPOSITE ASSY...
Service Manual
Page 21
... 7 7 (PD5956A) MAIN U-COM IC504 TC74VHCT MRIN 31 32 125AFT SR+/232C SW 2 JA982 C 3 2 IR IN 12 11 2 JA983 IR OUT VSX-52TX ONLY IC842(1/2) IC5022 TK15420M TA1270BF BUFFER 5 7 15 CN5051 1 OUTC 3 OUTY IC842(1/2) TK15420M 6 47 Chroma Decoder 48 40 26 D 3 1 8... 8 Display/SR Block O DISPLAY ASSY V3001 FL Display IC3001 PE5403A Display U-COM VSX-52TX IC3003 ONLY TC7W53FU IR SW Q3004(2/2) 38 39 MRIN SRIN 6 1 7 Q3004(1/2) D3005 IC3002 Q3001 D3004 RMC SRIN SROUT MRIN REMOTE RECEIVER UNIT CN3001 14 12 13 21 Q3002 13 15 CN101 A N VOLUME ASSY P ...
... 7 7 (PD5956A) MAIN U-COM IC504 TC74VHCT MRIN 31 32 125AFT SR+/232C SW 2 JA982 C 3 2 IR IN 12 11 2 JA983 IR OUT VSX-52TX ONLY IC842(1/2) IC5022 TK15420M TA1270BF BUFFER 5 7 15 CN5051 1 OUTC 3 OUTY IC842(1/2) TK15420M 6 47 Chroma Decoder 48 40 26 D 3 1 8... 8 Display/SR Block O DISPLAY ASSY V3001 FL Display IC3001 PE5403A Display U-COM VSX-52TX IC3003 ONLY TC7W53FU IR SW Q3004(2/2) 38 39 MRIN SRIN 6 1 7 Q3004(1/2) D3005 IC3002 Q3001 D3004 RMC SRIN SROUT MRIN REMOTE RECEIVER UNIT CN3001 14 12 13 21 Q3002 13 15 CN101 A N VOLUME ASSY P ...
Service Manual
Page 24
Q2233 AA W REGULATOR ASSY IC2501 NJM78M12FA REG. VH TR ASSY X TRANS 2-1 ASSY V-12A 5 4 1 CN2201 +VH -VH V-12A VSX-52TX ONLY D2534, D2535 D C2217, C2518 D2515 FU4 14 15 FU5 16 C2215 D2217 NP D2216 C2216 + 4 -VF 4 3 REG B 3 2 G REG 2 1 REG B 1 CN2202 ... 4 IC1001 NJM78M56FA W1006 REG. 3 3 V-12A VL+ Y5 +VL -VL VH+ VH- V+5D D2528 D2529 D2527 D2532 D2533 + C2537 C2536 + F AD TRANS SIDE ASSY 24 VSX-52TX 1 2 3 4 D1001 CN1002 CN2003 B LIVE 1 FU1 RY1001 2 NEUTRAL 1 3 CN2002 VL- 1234 CN4501 CN4001 13 12 11 10 -VL +VL CN1001 Y14 Y15 Y11 Y12...
Q2233 AA W REGULATOR ASSY IC2501 NJM78M12FA REG. VH TR ASSY X TRANS 2-1 ASSY V-12A 5 4 1 CN2201 +VH -VH V-12A VSX-52TX ONLY D2534, D2535 D C2217, C2518 D2515 FU4 14 15 FU5 16 C2215 D2217 NP D2216 C2216 + 4 -VF 4 3 REG B 3 2 G REG 2 1 REG B 1 CN2202 ... 4 IC1001 NJM78M56FA W1006 REG. 3 3 V-12A VL+ Y5 +VL -VL VH+ VH- V+5D D2528 D2529 D2527 D2532 D2533 + C2537 C2536 + F AD TRANS SIDE ASSY 24 VSX-52TX 1 2 3 4 D1001 CN1002 CN2003 B LIVE 1 FU1 RY1001 2 NEUTRAL 1 3 CN2002 VL- 1234 CN4501 CN4001 13 12 11 10 -VL +VL CN1001 Y14 Y15 Y11 Y12...
Service Manual
Page 27
... ASSY Z (AWX8376) Q POWER AMP IN ASSY (AWX8405) AF PRIMARY ASSY (AWX8384) D F COMPONENT ASSY (AWX8358) E VIDEO SIDE ASSY (AWX8366) K 12V TRIGGER ASSY (AWX8395) VSX-52TX ONLY AB SP/PS ASSY (AWX8373) VSX-52TX 5 6 7 E POWER CABLE VDG1075 (ADG7024) F 27 8 5 6 7 8 ÷ When ordering service parts, be sure to "EXPLODED VIEWS and PARTS LIST" or "PCB...
... ASSY Z (AWX8376) Q POWER AMP IN ASSY (AWX8405) AF PRIMARY ASSY (AWX8384) D F COMPONENT ASSY (AWX8358) E VIDEO SIDE ASSY (AWX8366) K 12V TRIGGER ASSY (AWX8395) VSX-52TX ONLY AB SP/PS ASSY (AWX8373) VSX-52TX 5 6 7 E POWER CABLE VDG1075 (ADG7024) F 27 8 5 6 7 8 ÷ When ordering service parts, be sure to "EXPLODED VIEWS and PARTS LIST" or "PCB...
Service Manual
Page 28
CENTER 1 VSX-52TX 2 3 4 VSX-52TX ONLY 4 1 2 3 3.3 MULTI CH I/O and AUDIO CONNECT ASSYS A L MULTI ROOM & SOURCE OUT R SUB W. B CENTER L FRONT R PRE OUT L C SURROUND R L SURROUND BACK R D FL L FRONT R MULTI CH IN E L SURROUND R F A 28 SUB W.
CENTER 1 VSX-52TX 2 3 4 VSX-52TX ONLY 4 1 2 3 3.3 MULTI CH I/O and AUDIO CONNECT ASSYS A L MULTI ROOM & SOURCE OUT R SUB W. B CENTER L FRONT R PRE OUT L C SURROUND R L SURROUND BACK R D FL L FRONT R MULTI CH IN E L SURROUND R F A 28 SUB W.