Haier LE19Z6, Service Manual

Page: 61 / 65

61
D935
1N4148
D936
1N4148
D937
1N4148
D938
1N4148
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
IC904
RT8482GS
GATE
1 2
D906
B360B
SS
ACTL
ISW
ISP
LED7 LED8
ISN
+5.2V
LED15 LED14 LED16
D907
1N4148
LED10 LED11 LED9 LED12 LED13
R933
4R7 +-5% 1/8W
LED1
LED8 LED7
R951
1.2K 1%
R987
JUMPER
ISN
+
C931
120UF 63V
SS
LED2
ON/OFF
GATE
1
2
C938
3N3 25V
R931
1K 1/8W
VC
C934
100N 50V
ISP
VCC
ISN
C927
100N 50V
LED3
R930
-5% 1/8W
1
2
C935
100V 0.1UF Z Y 5V
R937
1K 1/8W 1%
R934
36K 1/8W 1%
ISP
R986
NC
LED14 LED15 LED16 LED13 LED9 LED11 LED12 LED10
LED4
+2.5V
Q904
2N3904
R941
-5% 1/8W
Sense the lowest output voltage
of RT8326 and then control RT8452
boost Vout.
ISW
OVP
Q911
2N3904
Q912
2N3904
LED7 LED8
OVP
R959 R960
Q913
2N3904
LED5 R947
1K 1/8W
1
2
C936
470NF 25V
LED6
+ C929
47UF 35V
R927
20K 1/4W
R929
20K 1/4W
R928
20K 1/4W
+5.2V
C940
3N9 50V
ACTL
Q914
SST2222A
R942
24K +-5% 1/8W
R948
20K +-5% 1/8W
R943
330 OHM +-1% 1/8W
R950
NC
Short LED protector
R945
14.3K 1/8W 1%
DC/DC Converter
Compensation circuit
IC905
KIA431A-AT /P
L904
100UH
R932
6.2K 1/8W
R940
1K 1/8W 1%
42.9V
+
C932
120UF 63V
R935
-5% 1/8W
Q903
2N3904
R949
75R 1/8W 1%
R961
-5% 1/8W
Q916
2N3904
R985
1-5% 1/8W
R952
10K 1/8W 1%
R962
10ohm +/-1% 1/8W
C937
100N 50V
1
2
C933
470NF 25V
+2.5V
R936
1K 1/8W
C939
1N 50V
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
Q902
AO4438
8-Strings for one Light
R939
0.05R
D908
1N4148
D909
1N4148
D910
1N4148
R984
-5% 1/8W
D911
1N4148
D912
1N4148
D913
1N4148
D914
1N4148
Q931
2N3904
D915
1N4148
D916
1N4148
D917
1N4148
R963
1KOHM +-5% 1/8W
D918
1N4148
D920
1N4148
D919
1N4148
D921
1N4148
D922
1N4148
+
C928
330UF 35V
DIM
R971
1-5% 1/8W
1
2
ZD901
MTZJ T-72 15B
ON/OFF
C941
100N 50V
LED15
LED1 LED2 LED4 LED6
+12V
LED3 LED5
R975
Q926
2N3904
LED16
Q905
2N3904
Q927
2N3904
Q906
2N3904
R980
-5% 1/8W
Q907
2N3904
R978
Q908
2N3904
10ohm +/-1% 1/8W
LED12 LED13
R976
LED14
Q909
2N3904
Q910
2N3904
Q915
2N3904
Q924
2N3904
R977
LED9
LED2 LED1
R973
LED4 LED5 LED6 LED3
R972
LED11
Q925
2N3904
Q917
2N3904
LED10
R974 R979
R981
-5% 1/8W
Q921
2N3904
Q922
2N3904
R944
0R051/8W
10ohm +/-1% 1/8W
R946
NC
Q923
2N3904
Q920
2N3904
ON/OFF
DIM
R953 R954 R955 R956 R958 R957
D923
1N4148
1 2
FB901
BEAD
D924
1N4148
D925
1N4148
D926
1N4148
D927
1N4148
D928
1N4148
D929
1N4148
D930
1N4148
D931
1N4148
D932
1N4148
D933
1N4148
D934
1N4148