Pioneer 434CMX Service Manual - Page 29
Y Drive Assy, Scan B Assy, From Digital Video Assy, From Power Supply Unit
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Page 29 highlights
5 6 7 8 3.1.4 43 Y DRIVE ASSY From DIGITAL VIDEO ASSY CN2001 43 Y DRIVE ASSY IC5V Y1 CLK1 CE CLK2 CLR OC2 OC1 SI Photo Coupler Photo Coupler Photo Coupler Photo Coupler Photo Coupler Photo Coupler Photo Coupler YPR-U YSOFT-D YSUS-G YSUS-B YSUS-U2 YSUS-D2 YSUS-U1 YSUS-D1 YSUS-MSK YOFS YSUS-PD SCN_5V_PD Y_DD_PD SCAN_PD YDRIVE_PD Y2 VH To 43 SCAN B ASSY CN2101 VH To 43 SCAN A ASSY CN2102 Y3 IC2203 YPR-U YSOFT-D VSUS YSUS -U2 IC2201 5V HB DRIVER YSUS-D2 IC2202 YSUS-U1 5V HB DRIVER YSUS-D1 XSUS P.D. Circuit YSUS-G YSUS-B L2202 SUS GND L2204 SUS GND L2203 L2205 VSUS 5V 16.5V Mask Module IC2303 STK795-511 VSUS 5V 16.5V Mask Module IC2307 STK795-511 IC2302 YSUS-MSK Photo Coupler IC2304 IC2308 YOFS Photo Coupler IC2309 Y4 CN2301 16.5V 1 DGND 2 6.5V 3 DGND 4 N.C. 5 N.C. 6 VSUS 7 VSUS 8 N.C. 9 SUSGND 10 SUSGND 11 P.D. DET. IC2305 REGULATOR 5V VSUS IC5V UVP IC5V, VF D-D CONV. VF+ VF- IC5V VOFS OVP VOFS VOFS VOFS UVP D-D CONV. VSUS VH OVP VH D-D VH UVP CONV. VH PDP-434CMX 5 6 7 A B C To SCAN ASSY D E F 29 8 From POWER SUPPLY UNIT
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