Acer AT1921 Service Manual page 52

A
FQ1216ME
TH1
TH2
TH3
TH4
4
R329 100R/6 TU_SDA
R330 100R/6 TU_SCL
3
VCC
CE15
L20 330uF/25V
TU_AV1 TU_CVBS
2 1
2.2uH/8
C87
1uF/6/NC
2
+12V
U25
7808/NC
1 3
VIN OUT
C204
100uF/16V/NC C205
1
0.1uF/6/NC
A
B
U18
17
18
VS_TUNER
15
16
C83 CB71
3300pF/6 0.1uF/6
VS_IF
C85 CB72
3300pF/6 0.1uF/6
VCC
R146
3.3k/6
Q10
V IN R147 2N3904
2
10R/6 CE16
R148 330uF/25V/NC
75R/6F
R151
10k/6 R152
0R/6
R153
75R/6F
L21
Bead_121_4A/8
+8V +8V
L48
Bead_121_4A/8/NC L51
Bead_121_4A/8/NC
+
C207 C206 100uF/16V/NC
0.1uF/6/NC 22uF/25V/NC
B
C
L18
10uH
RC1206
+
C84 CE12
1uF/6
330uF/25V
L19
10uH
RC1206
+
C86 CE14
1uF/6
330uF/25V
R149 R150 C88
18R/6 0R/6 47nF/6
1 2
R154 C89
330pF/6
56R/6
U26 L50
7805/NC Bead_121_4A/8/NC
1 3
VIN OUT
+ +
C208 C210 C209
0.1uF/6/NC 10uF/16V/NC
C
D
+5Vt
L49 VCC
Bead_121_4A/8
CE13 +
330uF/25V
VCC
Q34
V IN R393 2N3904
2
CVBS1 4
10R/6
R396
75R/6F
+5Vt
Title
Size Document Number
Custom <Doc>
Date: Tuesday, May 29, 2007
D
E
R155 10k/6
VCC
TU_SDA SDA
3 1
SDA 2,4,6,11
QF1
2N7002
N-MOSFET
DV33A
R156 10k/6
VCC
TU_SCL SCL
3 1
SCL 2,4,6,11
QF2
2N7002
N-MOSFET
DV33A
C90
0.01uF/6
TUMPX1 MPX1
MPX1 4
CE55 R394
330uF/25V/NC 18R/6
SCART_CVBS_OUT
R395
56R/6
PROJECT :E9T-PV
TUNER
Sheet 8 o f 14
E
4
3
10
2
1
R e v
C3B