ViewSonic N2752w-1M Service Manual page 73

8.8. Audio/Video in Circuit
TUNER
FQ1216 : PAL
FQ1236 /F : NTSC
I112
VS_TUNER
TU_SCL
TU_SDA
TUMPX1
AF
12V
VCC
SB33B
TUMPX1
C330
AF
47U/16V
CE025050
ViewSonic Corporation
ADDRESS
TUNER IF VCC
C2 86
FQ1236/F H-5
VS_IF
L215
TU_AV1
10uH/0805
12V 10,26
VCC 10,26
SB33B 10,26
TUMPX1 8
TUMPX2
MONO
70
N2752w-1M
Confidential - Do Not Copy
L237 L213
2mH SG20
+ C769
1000U/16V
+ C770
(NC)470U/16V
L214
SG20
C774
+
1000U/16V
R501
AVCVBS0
0
C778 R500
(NC)?uF
75
IOSCL
IOSCL
TUMPX2 3
IOSDA
IOSDA
SCL
SCL
SDA
SDA
VS_TUNER
C771 C772 C773
1U 0.1U 3300P
VS_IF
C775 C776 C777
1U 0.1U 3300P
AVCVBS0 3
IOSDA R156
IOSCL R157
UP3_4, UP3_5 OPTION REMOVE
SCL_V50
SDA_V50
3
3
10,26
10,26
VCC
R155
10K
Q104
SCL_V50 SCL
2 3
DV33B 2N7002
N-MOSFET
VCC
R158
10K
Q105
SDA_V50 SDA
2 3
DV33B 2N7002
N-MOSFET
SB33B
R153 R154
4.7K 4.7K
0 SDA
0 SCL
L125
TU_SCL
2.2uH
C307
(NC)?uF
L126
TU_SDA
2.2uH
C308
(NC)?uF