Y Drive Assy - Pioneer PDP-434CMX Service Manual

1

3.1.6 43 Y DRIVE ASSY

• Block Diagram
A
43 Y DRIVE ASSY
Y1
CLK1 Photo Coupler
CE Photo Coupler
Photo Coupler
CLK2
B
Photo Coupler
CLR
Photo Coupler
OC2
OC1 Photo Coupler
SI Photo Coupler
C
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
D
E
Y4
CN2301
1
16.5V
DGND 2
6.5V 3
DGND
4
IC2305
N.C. 5
REGULATOR
6
N.C.
VSUS 7 VSUS 215V
VSUS 8
N.C. 9
SUSGND 10
F
SUSGND 11
48
1
2
Y2
VH
IC5V
VH
Y3
YSUS
-U2
5V
YSUS-D2
YSUS-U1
5V
YSUS-D1
YSUS-MSK
YOFS
P.D.
DET.
IC5V, VF
D-D CONV.
T2402
IC5V UVP
VOFS
5V
VOFS OVP
D-D CONV.
VOFS UVP
T2403
VH D-D
VH OVP
CONV.
VH UVP
T2401
PDP-504CMX/1
2
3
To
43 SCAN A ASSY
To
43 SCAN B ASSY
VSUS
IC2301
YPR-U
YSOFT-D
YSUS-G
YSUS-B
IC2202
L2204
HB
DRIVER
L2205
SUS
GND
IC2201
L2202
HB
DRIVER
L2203
SUS
GND
XSUS
P.D.
Circuit
IC2302 IC2304
Photo
Coupler
IC2311
VF+
VF-
IC5V
VOFS
VH
3
4
Mask Module
VSUS
To
(STK795-511)
SCAN ASSY
IC2303
5V
16.5V
VSUS
Mask Module
(STK795-511)
IC2307
5V
16.5V
4