Haier LT19Z6, Руководство по обслуживанию

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10. Schematic Diagram
10.1 Main Board
715G4035
1. Power-1
STANDBY:
Normal: Hight
Stand_by: Low
R731
180R
C708
100N 16V
U703
L78L12ABUTR
IN
3
OUT
1
GN
D
2
STANDBY
SMD/0402
SMD/0402
DVD_+12V +24V_16V
Q703
NC/AON4421
D
1
D
2
D
3
G
4
S
5
D
6 D
7
D
8
Q701
NC/BC847C
C728
10uF 25V
+5V_STB
+5V1_DVD
STANDBY:
Normal: High
Stand_by: Low
Q705
BC847C
STANDBY
FOR DVD model POWER
C706 NC/1UF16V
R702
NC/33K 1/10W
C710
NC/100N 16V
R707
NC/10K1/16W
R701
NC/22KOHM 1/10W
SMD/0402
R713
1K1/16W
STB_PWR_5V +5V_STB
DV33
GND 3,4,5,6,7,8,9,10,11,12,13,14
DV18_DDR 7
STAND_BY 9
DV11 5
BRIGHT_ADJ 14
OPWRSB 8
INVERTER_ON_OFF 14
+5V_SW 3,4,6,8,9,11,12,13,14
+5V_STB 3,6,8
DV33 3,4,5,6,8,9,12,13,14
DV33SB 3,8,12,14
OPWRSB(DV11 ON/OFF):
Norm al: High
Stand_By: Low
R716
47K1/16W
+
C721
220uF 16V
DV33
FB706
220R/2000mA
1 2
SMD/0402
R717
120R 1% 1/10W
DV18_DDR
10uF 16V
Vout=1.25x (1+56/120)= 1.833V
U702
IC AP1117DL-13 TO252-3L
VIN
3
VOUT
2
A
D
J(
G
ND)
1
C724
1UF16V
R719
56R 1/10W 1%
STAND_BY:
Normal: Low
Stand_by: Hight
STAND_BY
Q702
BC847C
Q704
AON4421
D
1
D
2
D
3
G
4
S
5
D
6
D
7 D
8
+5V_SW +5V_STB
C705
4.7UF 10V
R708
33K 1/10W
R705
2K7 1/16W 5%
R711
22KOHM 1/10W
DV11
C707
NC/4.7uF 6.3V
+5V_STB TO +5V_SW BY DV11
Q707 AON4421
D
1
D
2
D
3
G
4
S
5 D
6
D
7
D
8
R739
0R05 4A 1/4W
+ C714
330UF 16V
PWR_24V_16V 13
+
C733
100uF 10V
R720
2K2 1/10W 1%
OPWRSB
DV11
C717
100N 16V
C718
NC/1500P50V
+ C734
100uF 16V
C719
10uF 16V
Vout=0.92x (1+2K2/10K2) = 1.12V for G5657
+5V_STB
R721
10.2KOHM +-1% 1/10W
FB705
220R/2000mA
1 2
C715
100N 16V
D701
SS3P4
1
2
CN701
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
+
C713
330UF 16V
R714
4.7K1/16W
U701
MP9403EN-LF-Z
BS
1
IN
2
SW
3
GND
4
FB
5
COMP
6
EN
7 SS
8
Thermal Pad
9
PWR_12V
L701
15uH
TP
70
3
1
PWR_12V 3
R738
0R05 4A 1/4W
C716
NC/180P 50V
C720
2N2 50V
DVD_+12V
CN4071
CONN
2
4
6
1
3
5
R718
51K 1/16W 5%
C704
10N 50V
Vout=0.8x (10K2+4K12)/10K2 = 1.12V for MP9403
Light_Sensor 8
STB_PWR_5V 13
+24V_16V 10,13
C709
1UF16V
TP
70
6
1
TP
70
4
1
TP
70
7
1
TP
70
1
1
TP
70
2
1
TP
70
5
1
PWR_24V_16V
R703
NC/10K 1/4W
BRIGHT_ADJ
INVERTER_ON_OFF
C701
NC/22U 10V
SMD/0402
SMD/0402
STB_PWR_5V
PWR_12V
+ C712
100uF 10V
C723 NC/4.7UF 10V
STANDBY:
Normal: High
Stand_by: Low
SMD/0402
R712
NC/1K1/16W
+
C702
470uF 16V
FB701 120R/3000mA
1 2
DV11(+5V_SW ON/OFF):
Norm al: High
Stand_By: Low
For +5V_DVD USE
For +5V_DVD USE
R710
4.7K1/16W
BRIGHT_ADJ:
Normal:Max:+3V3, Min:0V
Stand_By:0V
INVERTER_ON_OFF:
Normal: High
Stand_By: Low
F701
1.5A 125V 045101.5MRL
C726
100N 50V
C725
10uF 16V
FB707
220R/2000mA
1 2
DC POWER INPUT
STANDBY
PWR_24_16V TO +24_16V BY STANDBY (Sound)
R725
100OHM1/16W
+ C732
100uF 25V
C735
NC/100N 16V
R724
10K 1/10W Q706
BC847C
FB702 120R/3000mA
1 2
R729
NC/0R05 4A 1/4W
R733
22KOHM 1/10W
C731
10uF 25V R728
43K
R730
33K 1/10W
+24V_16V PWR_24V_16V
R740
NC/0R05 4A 1/4W
+5V_SW