Drive Assy - Pioneer PDP-434CMX Service Manual

5
3.1.5 50 Y DRIVE ASSY
• Block Diagram
50 Y DRIVE ASSY
IC5V
Y1
CLK1 Photo Coupler
CE Photo Coupler
Photo Coupler
CLK2
Photo Coupler
CLR
Photo Coupler
OC2
OC1 Photo Coupler
SI 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
Y4
CN2301
1
16.5V
P.D.
DGND 2
DET.
3
6.5V
DGND
4
IC2305
N.C. 5
REGULATOR
6
N.C.
VSUS 7 VSUS
VSUS 8
N.C. 9
SUSGND 10
SUSGND 11
5
6
Y2
VH
To
50 SCAN B ASSY
VH
To
50 SCAN A ASSY
Y3
YSUS
IC2202
-U2
HB
5V
DRIVER
YSUS-D2
IC2201
YSUS-U1
HB
5V
DRIVER
YSUS-D1
XSUS
P.D.
Circuit
IC2302
Photo
YSUS-MSK
Coupler
YOFS
VF+
IC5V, VF
VF-
D-D CONV.
IC5V
IC5V UVP
VOFS
5V VOFS OVP VOFS
D-D CONV.
VOFS UVP
VSUS
VH D-D
VH OVP
VH
CONV.
VH UVP
PDP-504CMX/1
6
7
VSUS
IC2203
YPR-U
YSOFT-D
YSUS-G
YSUS-B
L2204
VSUS
L2205
16.5V
SUS
GND
L2202
L2203
VSUS
SUS
GND
16.5V
IC2304
IC2311
7
8
Mask Module
To
IC2303
SCAN ASSY
STK795-513A
5V
Mask Module
IC2307
STK795-513A
5V
8
A
B
C
D
E
F
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