5
4
3
2
1
LED Driver
CB1 470pF/1KVC5.0CT
DIP
LED-VCC
2
4
L25
1
2
BD1206
D15
SB260,2A,60V
1
L26
LED+
D
LED-VCC
1
3
2
D
L22
150uH/1.5A
DIP
BD1206
RB3
+
+
CB2
S
OT
2
2
3
-D
CB3
330K/0805
CE16
CE15
R1
220uF/50V
NC/220uF/50V 1000pF/1KV 1206
100pF/1KVC5.0CT
1
Q20
RB7
GATE-IN
RB6
10R/1206
SOT223-G
390K/0805
NC
OVP-IN
RB8
0R/0402
S
O
T
2
2
3
-S
RB34
10K/0402
CB4
R2
RB9
100pF/0402
20K/0402
ISENSE-IN
RB10
220R/0402
1
LED+
10
10
LED+
9
9
CN8
8
CB5
RB11
RB12
RB13
RB14
LED1
8
7
NC
7
100pF/0402
0.36R/1%/1206
0.36R/1%/1206
0.36R/1%/1206
0.36R/1%/1206
LED2
6
6
SMD-R1206
SMD-R1206
SMD-R1206
SMD-R1206
LED3
5
5
LED4
4
4
3
LED+
3
2
2
LED+
1
C
1
C
1
Q21
LED1
6
6
1
SOT223-G
LED2
5
ADJ
5
LED3
4
CN9
4
SOT223-
4
D
2
SOT223-D
LED4
3
J-B2.0-6P-W
OUT
3
RB35
0R/0603
2
SOT223-S
LED+
2
3
1
IN
1
SM1105NSV
D17
NC
CB6
U18
B
L
O
N
/O
F
F
1uF/0603 16V
MP3398AGF-Z/OB3363VP
+12V SB
RB16
4.7R/1206
GATE-IN
+12V SB
15
VIN
GATE
14
+12V
CB7
0.47uF/50V/0603
16
VCC
ISENSE
13
ISENSE-IN
RB17
RB19
RB20
RB21
ON/OFF
CB8
0.47uF/50V/0603
RB18
270R/0603
1
1
COMP
GND
4
NC/0805
NC/0805
NC/0805
NC/0805
VBL_CTRL
VBL_CTRL
RB23
10K/0402
BL_ON/OFF
BL_ON/OFF
2
EN
OVP
12
OVP-IN
1
RB25
CB10
RB24
300K/0402
5
OSC
LED1
11
LED1
BL_ON/OFF
RB36
0R/0402
7
10
B
ADIM
LED2
CB11
RB27
B
BL_PWM
100K/0402
100NF/0402
3
PWM
E
-PAD
LED3
9
100pF/0402
0R 0402
6
ISET
LED4
8
1
LED2
I
M
M
I
N
G
17
CB12
RB29
RB37
RB31
RB32
CB15
100pF/0402
NC/0402
1
PWM
NC/0R
24K/0402 27K/0402 100pF/0402
LED3
1
BRI_ADJ-PWM0
BRI_ADJ-PWM0
RB28
10K/0402
BL_PWM
CB16
RB33
100pF/0402
0R 0402
RB30
CB14
1
LED4
100K/0402
1NF/NC
CB17
100pF/0402
A
A
Size
Document Number
Rev
Custom
LED Driver
1
Date:
Thursday, November 12, 2015
Sheet
9
of
9
5
4
3
2
1
Summary of Contents for K-LED32HDXDT2
Page 21: ...Date Thursday November 12 2015 Sheet 2 of 9 5 4 3 2 1...
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: ...7 No tuning channels DTV or ATV no Channels...
Page 37: ......