ViewSonic VA712b-1 Service Manual page 78

ViewSonic Corporation
INVERTOR INPUT
INV_ON/OFF
V33A
R190 R190
OPEN OPEN
0603/1K
R191 R191
OPEN OPEN
0603/3.3K 3
Q9 Q9
OPEN OPEN
1 MMBT3904
2
R192 R192
0603/0R/5% 0603/0R/5%
INV_ADJ1
Confidential - Do Not Copy VA712-1_VA712b-1
75
CN1 CN1
3273-008-10 3273-008-10
1
INV_ADJ
2
3
C501 C501
4
5
Open Open
6
7
VIN_19V 8
R94 R94
0603/10K/5% 0603/10K/5%
C145 C145
0603/100n/25V/Y 0603/100n/25V/Y
INV_ADJ2 INV_ADJ2
INV_ADJ
1
3_3V_X 3_3V_X