Hitachi CMP5000WXJ Service Manual page 32

1
3.1.5 Y DRIVE ASSY
A
B
C
D
32
1
2
CLR
27
CLK
25
OC1
30
OC2-1
31
LE 40
42
AB
43
SI1
45
SI2
IC2001
TC74ACT541FT
OC2-2
IC2005
TC74ACT541FT
OC2-2
33
PN_MUTE
24
YPR-U1
19
YPR-U2
21
9
YSUS-B
10
YSUS-U
12
YSUS-D
18
YOFS
13
YSUS-G
16
YCP-MSK
15
YSUS-MSK
22
YSOFT-D
46
IC2007
DEW_DET
TC74ACT540FT
Y2
Q2102
Vsus
+15V
1
D. GND
2
3
+13.5V
-9V
4
YDRIVE_PD
5
YDC_DC_PD
6
VOFS_ADJ
7
D. GND
VSUS
10
VSUS
11
SUSGND
13
SUSGND
14
SUSGND
2
3
IC5V
IC2504
Photo Coupler
TC74ACT540FT
Photo Coupler
Photo Coupler
Photo Coupler
Photo Coupler
Photo Coupler
Photo Coupler
Photo Coupler
IC2501,IC2502,
IC2505,IC2510,
IC2512,IC2513,
IC2514,IC2525,
HCPL-M611
IC2506
TC74ACT540FT
Photo Coupler
IC2516
HCPL-M611
IC2503
TC74ACT540FT
+13.5V
SUS muteDET.
-9V
circuit
IC2004
TC74ACT541FT
YPR-U1
IC2006
PE1013
Dew DET.
circuit
YSOFT-D
IC2005
TC74ACT541FT
P.D.
YOFS
DET.
IC5V
IC5V, VF
VF+
D-D CONV.
VF-
IC5V UVP
VOFS
VOFS D-D
VOFS UVP
CONV.
VOFS OVP
VH
VH UVP
VH D-D CONV.
VH OVP
3
4
Y5
VH
To SCAN ASSY
(Lower)
To SCAN ASSY
(Upper)
VH
Y3
Pulse Module
14
(STK795-460)
16
IC2206
18
20
Pulse Module
14
(STK795-460)
16
IC2214
18
20
YCP-MSK
charge pump
circuit
YPR-U2
YSUS-MSK
Photo Coupler
IC2202
HCPL-M611
Photo Coupler
IC2208
HCPL-M611
4