Sharp XG-PH70X Service Manual page 146

XG-PH70X/XG-PH70X-N (1st. Edition)
LVPS CONTROL Unit
J
I
H
G
+5V75Z
VCCZ
2V5_REFZ
F
GNDZ
Bu4V_SWZ
GNDFEEZ
PP_SIGZ
E
D
C
SEN_1Z
4
Q280 1
MMBT3904L
B
C281
1U/50V
A
1 2
R260
4.75KF/0805 R259
4.75KF/0805
ENABLEZ
R263
4.75KF/0805
Q202 1
MMBT3904L
Q201
MMBT3904L
CONN BD
1
+5V75Z
2
PCON1Z PCON1Z
3
VCCZ
4
SEN_1Z
SEN_1Z
5
2V5_REFZ
6
GNDZ
7
+2V5Z
+2V5Z
8
BU4V_SWZ
9
GNDFEEZ
10
D2Z
D2Z
11
G1Z
G1Z
12
G2Z G2Z
13
PP_SIGZ
14
ENABLE1Z ENABLE1Z
CN252
Bu4V_SWZ
Q281
MMBT3906L
R281
10KF/0805
R283
6.2KF/0805
R284
4.75KF/0805
GNDFEEZ
3 4
+5V75Z
1
14
ENABLE1Z
R257
1KF/0805
1
R258 C259
10KF/0805 0.1U/50V
GNDFEEZ
R282
4.75KF/0805
8
C280
1 1U/50V
R285
4.75KF/0805
13
PP_SIGZ
5 6
8 – 64
2
PCON1Z
Bu4V_SWZ
R287
0F/0805
R288
0F/0805
7 8 9
Bu4V_SWZ
8
3
+
1
2
-
U280A
LM393DR
GNDFE
Bu4V_SWZ
5
+
7
6
-
U280B
LM393DR
4.75K
10