Haier LEC32B33200, Service Manual

Page: 34 / 61

5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
POWER-ON/OFF
BL-ON/OFF
BL-ADJUST
BL-ON/OFF BL-ADJUST
BL-ON/OFF BL-ADJUST
DC12V
+5VSB
+5V
+12V
+5VSB
+5V
+5V
+3.3V
+5V
+5V
VDDC
+2.5V
+5V
+1.8V
+5V
+5VSB
+3.3V_SB
+3.3V
BRI_ADJ-PWM3
BLK_ON
PW_ON/OFF
4
H:ON L:OFF
H:ON L:OFF
POWER INPUT
Inverter Connector
1.27V 1.02A
+1.2V FOR MST CORE
510R 820R
+3.3V_SB
DESIGN:George Guo MODEL: MSAV3207-K3
TITLE: POWER
CHECKED:
Date: Feb. 3,2010 APPRD:
SHEET: 1 OF 9
VER:1.0
5.05V 1.32A (1080P)
11.89V 208mA (1080P/MUTE)
5.08V 61mA
1.28V 826mA (1080P)
3.29V 29mA (1080P)
2.52V 183mA (1080P)
1.81V 256mA (1080P)
3.29V 76mA (1080P)
Adapter connector,For LED
Add
Modify
Vpp 150mv
5_14 MODIFY
5_14 MODIFY
Vpp:230mV
Vpp:150mV
Vpp:220mV
NEW
NEW
CCFL: Mount R207,R208 LED : Mount R206,R209
CCFL: Add J16 LED : Delete J16
R287
4.7K
R287
4.7K
C7
0.1uF
C7
0.1uF
R295 4.7K R295 4.7K
R3 1K R3 1K
C168
0.1uF
C168
0.1uF
R206
NC
R206
NC
L1
15H_2A
L1
15H_2A
D40 1N4001 D40 1N4001
+
EC1 470uF/16V
+
EC1 470uF/16V
1 2
C2 0.1uF C2 0.1uF
FB10 FB42R/4A FB10 FB42R/4A
C169 0.1uF C169 0.1uF
R296 10K R296 10K
C22 0.1uF C22 0.1uF
C154
10nF
C154
10nF
R18
4.7K
R18
4.7K
+
EC19 220uF/16V
+
EC19 220uF/16V
1 2
R17
4.7K
R17
4.7K
R19
0R
R19
0R
R207
0R
R207
0R
C173 0.1uF C173 0.1uF
R297
4.7K
R297
4.7K
CN9
POWERJACK
CN9
POWERJACK
1
1
2
2
3
3
C23 0.1uF C23 0.1uF
R20
NC
R20
NC
R25
220R
R25
220R
C171 10uF C171 10uF
R208
0R
R208
0R
Q3
3904
Q3
3904
1
2 3
R2
NC
R2
NC
C19 0.1uF C19 0.1uF
ADJ
OUT
IN
U2
AMS1117-3.3
ADJ
OUT
IN
U2
AMS1117-3.3
3
2
1
4
Q37 3904 Q37 3904
1
2 3
C999 0.1uF C999 0.1uF
R33
220R
R33
220R
R5
0R
R5
0R
U3 AMS1117-3.3 U3 AMS1117-3.3
VIN
3
VOUT
2
ADJ
1
TAB
4
R294
100R
R294
100R
R209
NC
R209
NC
Q2
3904
Q2
3904
1
2 3
J16
5p,2.0,inverter
J16
5p,2.0,inverter
1
1
2
2
3
3
4
4
5
5
C289 0.1uF C289 0.1uF
J20 NC/CON4 J20 NC/CON4
1 2 3 4
+
EC2 470uF/25V
+
EC2 470uF/25V
1 2
H3 CON4 H3 CON4
1 2 3 4
R293
4.7K
R293
4.7K
FB1 FB42R/4A FB1 FB42R/4A
U6 AMS1117-ADJ U6 AMS1117-ADJ
VIN
3
VOUT
2
ADJ
1
TAB
4
R298 4.7K R298 4.7K
C174 10uF C174 10uF
R34 220R R34 220R
Q36
3904
Q36
3904
1
2 3
FB2 FB42R/4A FB2 FB42R/4A
C164 2.2uF C164 2.2uF
C24 0.1uF C24 0.1uF
R4 1K R4 1K
C165
NC/0.1uF
C165
NC/0.1uF
R35 470R R35 470R
R325 5.6K R325 5.6K
C166 0.1uF C166 0.1uF
R302
NC
R302
NC
+
EC17 220uF/16V
+
EC17 220uF/16V
1 2
C21 0.1uF C21 0.1uF
C175 3.3nF C175 3.3nF
C998 10uF C998 10uF
+
EC3
220uF/16V
+
EC3
220uF/16V
1 2
R286
1.8K
R286
1.8K
+
EC18 220uF/16V
+
EC18 220uF/16V
1 2
U17 MP1482 U17 MP1482
EN
7
FB
5
VCC
2
BS
1
SW
3
AGND
4
SS
8
COMP
6
R291 NC/4.7K R291 NC/4.7K
U10 AMS1117-ADJ U10 AMS1117-ADJ
VIN
3
VOUT
2
ADJ
1
TAB
4
FB7 FB42R/4A FB7 FB42R/4A
C163 0.1uF C163 0.1uF
J15 MAINPOWER J15 MAINPOWER
1 2 3 4 5 6 7 8 9 10 11 12 13
R999 NC/10K R999 NC/10K
+
C167 470uF/16V
+
C167 470uF/16V
+
EC23
220uF/16V
+
EC23
220uF/16V
1 2
R349
0R/0805
R349
0R/0805
R303
100K
R303
100K
R16
NC
R16
NC
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