!
!
!
!
!
!
T
T
T
PGND
GND
GND
!
!
!
!
!
!
!
GND
GND
PGND
PGND
GND
GND
GND
GND
GND
GND
GND
GND
PGND
PGND
GND
PGND
GND
GND
PGND
GND
GND
T
!
GATE
CS
VDD
RT
FB
GND
VAL?
VAL?
GND
T
T
T
T
T
GND
GND
PGND
T
T
T
GND
PGND
PGND
PGND
VDD
FSW
COMP
GND1
ISET
PWMI
EN
FB4
FB3
FB2
FB1
OVP
GND2
CS
GATE
VCC
!
T
!
T
T
T
T
T
!
!
!
V
T
T
T
N3
N1
N4
N2
E1,E2
V 1.0
2.5V/2K=1.25mA
LED Driver
MS306
MS306.SCH
POWER SUPPLY(8/8)
MS306*PB
2
4
1
3
5
12
11
10
9
8
7
6
T801
ZQ801_D
ZQ801_G
ZHV
VR81
680V
NC
0.47U
CX82
2
4
3
1
L81
NTC81
1R5
ZPCGND
ZFB
ZPC2
ZPC1
R779A
100K
D802
FR104
D801
FR207
2
3
1
D850A
MBR10150
D850
MUR460
R850
33R
2
3
1
D830
MBR10150
1R5
NTC82
F81
3.15A
250VAC
13
15
3
6
16
9
5
4
2
1
7
14
10
11
12
U770
GB98A
R779B
NC
C776
330P
C775
1U
C773
0.47U
R795
0R
C82
68U
450V
4
3
2
1
L82
L770
120UH
GND
GND-1
12V-1
ZLED4
C805
10U
50V
C805A
10U
50V
R813
10R
R812 10R
C833A
470U
25V
C831A
470U
25V
25V
470U
C832A
R833
1K
R834
2K
ZLED3
ZLED2
ZLED1
ZLED+
Z12V
1
2
3
4
CN802
C774
100P
B801
100P
C807
1000P
C830
B770
R832
10K
NC
Q770
A0D256
R785
0.33R
EN
25V
470U
C832
C851
47U
100V
R824
0R
6
4
3
2
1
U801
RT7736
C806
100P
R853B
4.7K
ZD851
33V
R853A
4.7K
ZD850
33V
R823
0R
R822
0R
C808
2200P
R821F
150K
220P
C850
R852
33R
R851
33R
ZGND
C783
22U
160V
C852
47U
100V
C833
470U
25V
1
2
3
4
5
6
7
8
9
10
CN701
R819A
0.56
R819B
0.56
R798 0R
CY81
1000P
CY82
1000P
C853B
0.1U
C853A
0.1U
C771
0.1U
C772
100P
R775 470K
R776
330R
R777
200R
R778
6K8
10K
R772
100K
R771
10K
R770 390R
R780 22R
R782
10K
R790A
12K
R790B
220K
R821E
150K
R821C
150K
R821D
150K
R821B
150K
R821A
150K
C81
68U
450V
R806
510K
R804
510K
R805
510K
R807B
8.2K
8.2K
R807A
R797
0R
B
E
C
Q802
BT3906
R818
10R
R814
470R
R801
300K
R802
300K
R803
300K
D83
RL255
D81
RL255
C782
330P
C781
330P
C780
330P
C779
330P
C778
1000P
C777
330P
1U
C770
R796
0R
R794
1M
R793
1M
R792
1M
R791
1M
R789
1M
R786
0.33R
R784
0.33R
R783
0.33R
ZD770 10V
D770
SB5200
R839
39K
R837
6K8
R836
22K
R835
10K
C836
0.1U
C835
0.1U
3
2
1
U830
TL431
1
2
3
4
PC820
TLP781
C834
0.1U
C831
470U
25V
R831
33R
R830
33R
1
2
3
4
HS1
R815
22R
R816
10K
R817 22R
C802
10N
C801
0.1U
C803
1000P
Q801
AOTF11C60
ZD801
22V
D84
RL255
CY83
NC
D82
RL255
10R
R788
R781
0R
R774
100K
1
2
CN800
ZPGND
ZVCC1
Z50V
R83
1M2
R84
1M2
R82
1M2
R81
1M2
0.22U
CX81
Summary of Contents for K-LED40FHDXT2
Page 30: ...1 No power No power LED RC or Key can not turn on TV Power LED no light no change...
Page 31: ...2 No Display Black Panel Back light is OK sound is OK but no picture...
Page 32: ...3 No back light Power LED logic OK sound OK but no picture Different from No Display...
Page 33: ...4 No sound One or all signal source without sound...
Page 34: ...5 Signal source no function One or several source no function...
Page 35: ...6 Abnormal Display OSD NG or picture NG...
Page 36: ......