Kalley K-LED32HDXDT2, Service Manual

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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
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