Haier LE19Z6 Service Manual page 57
18.5” & 21.5” lcd tv
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Also See for LE19Z6:
- Owner's manual (31 pages) ,
- Owner's manual (31 pages) ,
- Service manual (65 pages)
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14) DC-DC Power
R7147
2K 1/10W
CN7102
C7102
100N 50V
1
V_IPWM
2
3
4
5
6
7
8
9
PWR_ON
10
11
+5V_STBY
12
13
C7142
+
NC/330uF 10V
100N 50V
CONN
+5V_STBY
R733
10K 1/10W
PWR_ON
R734
C735
100nF 50V
Q711
1K1/16W
PMBS3904
GND
+5V_STBY
U7110
3
VIN
VOUT
+
C7114
C221
100nF 50V
47uF 25V
+5V_STBY
R716
10K 1/10W
+5V_STBY
R732
4.7K 1/10W
R730
4.7K 1/10W
R729
Q709
12,13
5V_PWR_SW
4.7K 1/10W
PMBS3904
GND
GND
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+5V_ON
+5V_STBY
+5V_ON
R7121
1K 1/10W
R7103
D7101
47K +-5% 1/10W
S1D-E3
FB7102
Q7101
R7145
1
2
INVERTER_ON_OFF 13
PMBS3904
120R/6000mA
470OHM +-5% 1/10W
100uF 16V
16V
+
C7110
C7108
330uF 35V
100N 50V
24V
+
C7111
C7109
330uF 35V
100N 50V
C7115
+5V_STBY
R717
NC/10K 1/10W
R719
1K 1/10W
V_IPWM
STANDBY
12,13
R720
C723
NC/2U2 16V
NC/1K1/16W
Q707
NC/PMBS3904
GND
+3V3
+3V3
FB7111
FB152
1
2
2
1
2
120R/6000mA
220R/2000mA
+
100nF 50V
+
C7155
10uF 16V
C7154
C7116
C220
100nF 50V
47uF/16V
FB7118
1
2
120R/6000mA
Q706
FB7113
+5V_ON
AO4449 -7A/-30V
1
8
1
2
S
D
2
7
120R/6000mA
S
D
3
6
S
D
C721
4
5
G
D
220N 25V
C734
+
100nF 50V
C722
100uF 16V
R731
220K 1/10W
GND
Q708
PMBS3904
2008-9-10
DDRV
U7102
3
2
VIN
VOUT
+
C7104
C7103
100nF 50V
C7105
+
C7106
100nF 50V
470uF 10V
R7107
100R 1/10W 1%
R7110
22R 1/10W 1%
R7108
24R 1/10W 1%
Vout=1.25*(1+44/100)=1.8
13
PANEL_PWR_CTL
PANEL POWER
1>OFF ;
10OHM1/10W
0>ON
R718
0R05 1/10W
U704
G5627F11U
1
BRIGHTNESS_PWM 13
VCC
2
REF
3
GND
4
FB
C716
100nF 50V
C728
100nF 50V
16KOHM +-1% 1/10W
U7104
AV12
3
2
VI
VO
+
C7163
C7156
100uF 16V
100nF 50V
FB7112
+5V
1
2
120R/6000mA
57
16V
+5V_STBY
FB7115
FB7114
120R/6000mA
NC/120R/6000mA
AO4449 -7A/-30V
Q406
VCC5_PANEL_IN
1
S
D
C470
2
S
D
R565
0.1uF 50V
3
S
D
10K 1/10W
4
G
D
R567
56K
R569
Q407
PMBS3904
4.7K 1/16W
GND
300 OHM
+5V_STBY
FB703
R725
C718
4.7UF 10V
1
2
C717
+
100UF 25V
C719
C720
100nF 50V
100nF 50V
R726
10K 1/10W
4.7uH
8
L700
VIN
7
LX
6
PGND
5
EN
C730
R727
1N 25V
6K2 1/10W 1%
C731
C733
C732
22uF 10V
100nF 50V
4.7UF 10V
R728
Vout = 0.8x(R727+R728)/R728=1.11V
FB7105
PANEL_VCC
8
2
1
7
120R/6000mA
6
5
C471
NC
R571
R572
NC
GND
NC
DV10
C746
C727
C729
+
1uF 25V
220uF16V
4.7uF K 25V
Low ESR EC
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