Acer AT3245, Service Manual

Page: 51 / 68

51
+5V1_TUN
+5V_TUNER 3
C173
100N 16V
20K
N/C
MT5131
YES
N/C
100N
R174
+5V_STB TO +3V3SB(For CEC MCU)
PANEL5V
DV33
DV18_12_DM
C157
+5V_SW TO DV33
+
C152
470uF 16V
N/C
AV33
+5V1_TUN
YES
R172
2K2
PANEL_VCC_ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
C177
DV18_12_DM 4
+3V3SB
+24V
DV18_CI
C166
100N 16V
C176
1N
25V
0R
Add Thermal Pad
R153
0R05 1/8W
N/C
HV TYPE
ITEM
C157
NC/4.7uF25V
C173
U158
C175
R171
0R05 1/10W
PANEL_VCC
C153
10uF 10V
C167
N/C
+
C167
NC/22uF 16V
N/C
Vo=1.25 x (1+270R/120R) = 1.8V
SMD
DV33
+5V_STB 1,9,11
/ADJ
U157
LD1117DT33TR
3
1
2
VIN
GN
D
VOUT
330U
1.22 x (1+15K/4.7K) = 5.1V
HV TYPE
15K
POWER
42"/47"
+5V1_TUN
R161
SMD
D150
RGP15D
1
2
A
K
+12V
AV33 4,7,15,16,17
R1
7
2
20K
O
H
M
+
-1% 1/
10
W
SMD/0402
+5V_SW 1,7,10,12,13,14,15,16,17
DV33SB
R161
4.7KOHM +-1% 1/10W
R164
NC/1K 1/10W 5%
+5V_SW TO AV33
PANEL_VCC
AV25
GND
R1
7
3
51
K
O
H
M
+
-1% 1/
10W
R165
120 OHM +-1% 1/10W
DV33 TO DV18_CI
R176
0R05 1/4W
R159
N
C
/10K
1/
10W
Add Thermal Pad
N/C
100N
NO
N/C
+5V_STB
Q151
+5V_SW
N/C
R171
SMD/0402
+12V
0R
R151
120 OHM +-1% 1/10W
Vo=1.25 x (1+1R/120R) = 1.26V
FB150
DV18_CI
SMD/0402
+5V_TUNER FROM Regulator
SMD
POWER
32"/37"
+
C154
330uF 16V
L150
DV18_CI 10
R156 NC/1.5 OHM 1/4W
R154
U158 LD1117S18
3 2
1 4
VI VO
GN
D
4
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
N/C
AV25 3,14
N/C
4K7
+
C150
100uF 16V
0R
DV33SB 1,5,6,9,11,15,16,17
PANEL_VCC_ON/OFF
C169
100N 16V
D
151
SS3
P
4
1
2
BEAD
ITEM
C175
10uF 10V
SS3P4
MT5133
AV12
+5V1_TUN 1
C164
100N 16V
+
C172
470uF
35V
R166
Add Thermal Pad
C172
N/C
+5V_SW
SMD
R163
1 OHM +-5% 1/10W
+5V_TUNER FROM +5V1_TUN
R157
NC/2K2 1/10W 5%
R170
NC/0R05 1/10W
N/C
R175
0R05 1/4W
470U
SMD
N/C
PANEL_VCC_ON/OFF
SMD/0402
N/C R175
+ C161
100uF 16V
R167
1 OHM +-5% 1/10W
N/C
C174
NC/330P 50V
SI5441
N/C
N/C
U155
C165
R152
120 OHM +-1% 1/10W
Panel VCC=12V
N/C
+5V_STB
N/C
R160
NC/56R 1/8W
NO
N/C
L150 22uH
R166
-1% 1/10W
N/C
C165
100N 50V
100R
4U7
22U
+
C177
47uF 16V
U152
AME8810-AEGTZ 0.6A/3.3V
1
2 3
4
GN
D
VOUT(heat sink) VIN
4
N/C
C156
N
C
/100N
16
V
R
174
4.
7K
O
H
M
+
-1% 1/
10W
C156
1K
+
C155
100uF 16V
Vo=1.25 x (1+1R/120R) = 1.26V
C178
Panel VCC deviation
47UF/16V
AV25
Us e new com p
SMD
PANEL_VCC
R154
100 OHM +-5% 1/10W
N/C
N/C
AV25 TO AV12
R169
NC/56R 1/8W
C151
100N 16V
+ C170
100uF 16V
Q150
NC/SI5441DC
1
2
3
4
5
6
7
8
D
D
D
G
S
D
D
D
N/C
C168
10uF 10V
FB150 NC/220R/2000mA
1 2
C158
100N 16V
R158
Add Thermal Pad
C163
10N 50V
R155
NC/0R05 1/8W
TPS5430
C176
DV18_12_DM
N/C
1N/25V
GND 1,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17
+24V 1,6,16
/ADJ
U156
LD1117DTTR
3
1
2
VIN
GN
D
VOUT
PANEL_VCC_ON/OFF
DV33
R177
NC/0R05 1/4W
Panel VCC=5V
D151
R170
R173
22U
DV33 TO DV18_12_DM
51K
+
C159
100uF 16V
+ C162
100uF 16V
4K7
DV18_CI
Q150
N/C
BC847C
N/C
LD39080
U155
TPS5430DDAR
1
2
3
4 5
6
7
8
9
BOOT
NC
NC
VSENSE ENA
GND
VIN
PH
G
-pad
DV33
PANEL_VCC_ON/OFF 6
R164
PANEL_VCC 17
0R
+5V_TUNER deviation
of different Power board
+5V_TUNER
AV33
+24V
AV25
/AD
J
U151
LD1117DT33TR
3
1
2
VIN
GN
D
VOUT
R155
PANEL
VCC:+12V
10N
C171
10uF 10V
/
ADJ
U154
LD1117DTTR
3
1
2
VIN
GN
D
VOUT
1K
PANEL
VCC: +5V
47UF/16V
+5V_SW
+5V_TUNER
N/C
+12V
R168 NC/1.5 OHM 1/4W
U159
LD39080PT-R
1
2
3 5
4
VINH
VIN
GND ADJ
VO
+
C178
47uF 16V
SMD
PANEL5V
R162
120 OHM +-1% 1/10W
/AD
J
U153
LD1117ADT-TR
3
1
2
VIN
GN
D
VOUT
C154
R159
Add Thermal Pad
+5V_SW TO AV25
DV33 1,4,5,6,9,10,15,16,17
+3V3SB 1,11
+3V3SB
C160
100N 16V
N/C
R158 NC/1K 1/10W 5%
N/C
+5V_TUNER
C163
Q151
N
C
/B
C
847C
+12V 1,16
SMD
U159
AV12 7,13,15
+5V_SW
R157
R153
DV18_12_DM
0R
Vo=1.25 x (1+120R/120R) = 2.5V
AV12
R176
10K