Haier LT19Z6, Service Manual

Page: 72 / 76

72
2. LED DRIVER
IC904
RT8482GS
GBIAS
1
GATE
2
NC
3
ISW
4
NC
5
ISP
6
ISN
7
VC
8
ACTL
9
DCTL
10
SS
11
NC
12
EN
13
OVP
14
VCC
15
GND
16
GATE
D913
B360B
1 2
SS
ACTL
ISW
ISP
ISN
+5.2V
LED1
LED8 LED7
D919
1N4148-B4006
D920
1N4148-B4006
ISN
+
C932
120UF 63V
LED2
ON/OFF
GATE
C935
3N3 25V
1
2
R932
1K 1/8W
VC
C939
100N 50V
SS
ISP
VCC
ISN
C934
1U25V
LED3
R936
-5% 1/8W
C933
0.1uF
1
2
R934
1K 1/8W 1%
R933
36K 1/8W 1%
ISP
LED4
+2.5V
R950
4.7 OHM +-5% 1/4W
Q922
2N3904
R960
-5% 1/8W
ISW
OVP
Q924
2N3904 Q925
2N3904
LED8 LED7
OVP
R983
10ohm +/-1% 1/8W
R982
10ohm +/-1% 1/8W
Q923
2N3904
LED5
D921
BAW56
3
2 1
LED8 LED7
R964
1K 1/8W
C937
470NF 25V
1
2
LED6
+ C906
47UF 35V
R979
20K 1/4W R980
20K 1/4W R981
20K 1/4W
R974
10ohm +/-1% 1/8W
+5.2V
C938
3N9 50V
ACTL
D917
BAW56
3
2 1
Q921
SST2222A
R943
24K +-5% 1/8W
R0805
R944
20K +-5% 1/8W
R0805
R945
330 OHM +-1% 1/8W
R0805
R946
1.6K 1%
R0805
R947
NC
R0805
R948
12K 1/8W 1%
R0805
IC905
KIA431A-AT/P
L904
100UH
R940
1K 1/8W
R952
1K 1/8W 1%
42.9V
D916
BAW56
3
2 1
D918
BAW56
3
2 1
+
C944
120UF 63V
R937
-5% 1/8W
Q917
2N3904
R953
75R 1/8W 1%
R956
-5% 1/8W
Q910
2N3904
R958
1-5% 1/8W
R949
12K 1/8W 1%
R0805
R978
10ohm +/-1% 1/8W
C940
100N 50V
C936
470NF 25V
1
2
+2.5V
R905
1K 1/4W
C904
1N 50V
Q920
AO4438
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
R942
-5% 1/8W
Q918
2N3904
R951
0.08R
R955
10OHM +-5% 1/8W
+
C941
270UF 25V
DIM
R957
1-5% 1/8W
ZD901
MTZJ T-72 15B
1
2
D907
1N4148-B4006
ON/OFF
D903
1N4148-B4006
D904
1N4148-B4006
D905
1N4148-B4006
D906
1N4148-B4006
D914
1N4148-B4006
C942
100N 50V
LED1 LED2 LED4 LED6
+16V
LED3 LED5
Q908
2N3904 Q912
2N3904 Q913
2N3904 Q914
2N3904 Q915
2N3904 Q916
2N3904
Q911
2N3904
LED2 LED1 LED6 LED5 LED4 LED3
Q909
2N3904
R954
-5% 1/8W
R967
NC
R966 0 OHM 1/4W
ON/OFF
DIM
R968
10ohm +/-1% 1/8W R969
10ohm +/-1% 1/8W
R970
10ohm +/-1% 1/8W
R971
10ohm +/-1% 1/8W
R972
10ohm +/-1% 1/8W
R973
10ohm +/-1% 1/8W
C943
470pF/1KV
FB901
BEAD
1 2