Pioneer VSX-52TX Service Manual - Page 20
Video And Display S
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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(2/2) TV/SAT 702(2/2) DVR/VCR B 703(1/2) VIDEO1 1 3 10 MR OUT 12 IC701 NJM2595M 7 5 1 13 15 9 3 Q731 -6dB & BUFFER MM1093NF CIN 1 7 16 CIN CLK Q743 GENERATE TC90A49F CKIN 15 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 OUT I FRONT-IN ASSY W REGULATOR 12 CN701 ASSY FV CN751 10 8 6 4 OSD MXV UCC UCY 2 CN2501 C JA3352(3/5) VIDEO CN2502 10 8 6 4 CN891 E 15 JA3352(2/5) Y 17 S-VIDEO C VIDEO SIDE ASSY 1 OUTC OSD MXV UCC UCY FV-C FV-Y FV 3 OUTY 9 10 11 CN3351 13 14 16 CN2515 CN893 FV-C FV-Y FV FV FV-Y FV-C J FRONT-IN CONNECT D ASSY CN811(1/3) DVD/LD CN811(2/3) TV/SAT E CN812(1/3) DVR/VCR CN812(2/3) VIDEO1 F CN3341 9 10 11 CN115 11 10 8 CN3342 CN107 3 FV 13 2 FV-Y 14 1 FV-C 15 OSD MXV UCC UCY OUTC OUTY 14 12 6 4 10 8 CN892 CN851 2 4 10 12 6 8 OSD MXV UCC UCY OUTC OUTY L ( L 1/3- L 3/3)MAIN ASSY CN801 1 3 IC801 Y NJM2595M C 7 IC831(1/2) TK15420M Y 5 1 3 1 -6dB 13 C 15 Q871 9 Y INVERT Y/C MIX 3 Y 2 16 7 C Y Selector IC871(1/2) IC871(2/2) IC802 TK15420M TK15420M Y NJM2595M C 7 Q872 5 1 5 -6dB 7 13 15 IC881 9 IC831(2/2) LA7213 3 TK15420M S-SYNC DET C Selector 1 IC842(1/2) TK15420M 3 1 +6 dB AMP or BUFFER Y C 5 7 +6 dB AMP or BUFFER IC842(2/2) TK15420M IC841 TC74HC4052AF Y SW 15 14 13 11 2 C SW 3 5 OSD SW IC851 PDC084B 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
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