Sharp PZ-50HV2U Service Manual page 67

2
Ë Y DRIVE ASSY
CLR
27
Photo Coupler
CLK
25
Photo Coupler
A
OC1
30
Photo Coupler
OC2-1
31
Photo Coupler
LE 40
Photo Coupler
AB 42
Photo Coupler
43
SI1
Photo Coupler
45
SI2 Photo Coupler
IC2501,IC2502,
IC2001
IC2505,IC2510,
TC74ACT541FT
IC2512,IC2513,
IC2514,IC2525,
HCPL-M611
OC2-2
Photo Coupler
IC2516
HCPL-M611
B
IC2005
TC74ACT541FT
OC2-2
33
PN_MUTE
24
YPR-U1
19
YPR-U2
21
YSUS-B 9
10
YSUS-U
12
YSUS-D
18
YOFS
13
YSUS-G
16
YCP-MSK
15
YSUS-MSK
22
C
YSOFT-D
46
IC2007
DEW_DET
TC74ACT540FT
Y2
Q2102
Dew DET.
circuit
Vsus
P.D.
DET.
+15V
1
D. GND 2
3
+13.5V
-9V
4
YDRIVE_PD 5 IC5V UVP
YDC_DC_PD
6
VOFS_ADJ 7
D. GND
D
VSUS
10
VOFS UVP
VSUS
11
SUSGND 13 VOFS OVP
SUSGND
14
SUSGND
VH UVP
VH OVP
1 2
3 4
Y5
VH
IC5V
IC2504
TC74ACT540FT
To SCAN ASSY
(Lower)
To SCAN ASSY
(Upper)
IC2506
TC74ACT540FT
VH
Y3
IC2503
TC74ACT540FT
Pulse Module
14
(STK795-460)
+13.5V
16
IC2206
SUS muteDET.
-9V
circuit
18
20
IC2004
TC74ACT541FT
YPR-U1
Pulse Module
14
(STK795-460)
16
IC2214
18
20
YCP-MSK
charge pump
circuit
YPR-U2
IC2006
PE1013
YSUS-MSK
Photo Coupler
IC2202
HCPL-M611
YSOFT-D
IC2005
TC74ACT541FT
YOFS
Photo Coupler
IC2208
HCPL-M611
IC5V
IC5V, VF
VF+
D-D CONV.
VF-
VOFS
VOFS D-D
CONV.
VH
VH D-D CONV.
3 4
6 8
5 6
VSUS
Q2204
YPR-U1
YPR-U2
IC2203
TND301S
K2203
SUSOUT A
37-40
IC2212
TND301S
29,30
Q2219
Q2218
IC2213
5V
TND301S
15V
Vsus Q2221
Q2220
K2212
SUSOUT B
37-40
IC2216
TND301S
29,30
Q2217
Q2226
5V
IC2217
15V
TND301S
Vsus
Q2233
Q2232
VCP
IC2201
TC74ACT541FT
11-18
2-9
Q2210
IC2204
SUSGND
TND301S
Q2211
Q2212
IC2210
TND301S
5 6
6 9
PZ-50HV2, PZ-50HV2E
7
PZ-50HV2U
A
Q2205
B
K2220
PSUS
Q2216
TO
Q2215
Y CONNECTOR
ASS'Y
Q2228
Q2227
C
PSUS
D
7
8