LG PB60G Service Manual page 22

1A
1
V_ADJ_CH1
GND
2
2A
3
PWM_OUT_0
V_ADJ_CH3
PWM_OUT_2
V_ADJ_CH2
PWM_OUT_1
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
FH12K1-30S
P804
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2012 LG Electronics Inc. All rights reserved.
Only for training and service purposes
R857
33
LED_All_OFF
R803
33
BLU_EN
IC801
74LVC2G17GW
3.3V
1Y R802 B1 SELECT 5V B1 SELECT
6 1 6 * 1 6
2K
VCC GND IC802 VCC GND IC813 VCC
5 2 5 2 5
NLASB3157DFT2G NLASB3157DFT2G
OPT
2Y R801 B0 A B0 A
4 GND 3 4 GND 3 4
2K
C801 R910
0.1uF
0
16V
R844
0
LED_All_OFF
R833 R858
33 33
IC831 RED_EN
3.3V
74LVC2G17GW
1A 1Y R832 B1 SELECT B1 SELECT
*
1 6 1 6 1 6
5V
2K
GND VCC GND VCC GND VCC
IC832 IC811
2 5 2 5 2 5
NLASB3157DFT2G NLASB3157DFT2G
OPT
2A 2Y R831 B0 A B0 A
GND GND
3 4 3 4 3 4
2K
C831
R911
0.1uF R814
0
0
16V
GND
LED_All_OFF
R873
33
GRN_EN
IC871
3.3V
74LVC2G17GW
1A 1Y R872 B1 SELECT B1 SELECT
1 6 1 6 * 1 6 5V
2K
5V
GND VCC GND IC872 VCC GND IC812 VCC
2 5 2 5 2 5
OPT NLASB3157DFT2G NLASB3157DFT2G
2A 2Y R871 B0 A B0 A
3 4 GND 3 4 GND 3 4
C874
2K
0.1uF
C871
16V
0.1uF R912
0
16V
R830
0
GND
IC861
5V
3.3V
AP2121N-3.3TRE1
VIN VOUT
3 2
C863 C865 1
C869 C870
10uF
0.1uF GND 10uF
0.1uF
10V 16V
10V 16V
LED_Enable
BLU_EN
V_ADJ_CH1
PWM_OUT_0
IC878 5V
74LVC1G32GW
R_NTC
B 1 5 VCC
*
BLU_EN
RED_EN
A 2
RED_EN
V_ADJ_CH3
GND 3 4 Y IN_B
PWM_OUT_2
IN_A
GRN_EN
G_NTC GND
GRN_EN
V_ADJ_CH2
PWM_OUT_1
5V R811
1K
IC803
KIA75S358F
K
R
IN(+) VCC
1 5
C804 A
0.1uF IC808
16V KIA75S358F
VEE
2 IC804
KIA75S358F GND-B
R805
IN(-) OUT IN(+) VCC
20K
3 4 1 5
IN(+) VCC
1 5
VEE
2
VEE
2
IN(-) OUT
3 4
IN(-) OUT
GND-B 3 4
GND-B
R806 R808 R810
10K 10K 10K
GND
R841
5V 1K
IC807
KIA75S358F
K
R
IN(+) VCC
1 5
A
C834
IC810
0.1uF
VEE KIA75S358F
16V 2 IC833
GND_R
KIA75S358F
R835
IN(-) OUT 20K IN(+) VCC
3 4 1 5
IN(+) VCC
1 5
VEE
2
VEE
2
IN(-) OUT
3 4
IN(-) OUT
3 4
GND_R GND_R
R836 R838 R840
10K 10K 10K
GND
R881
1K
IC873
KIA75S358F
R
5V
IN(+) VCC
1 5
C875 IC809
VEE KIA75S358F
0.1uF
2 IC874
16V GND-G
KIA75S358F
R875
IN(-) OUT 20K IN(+) VCC
3 4 1 5
IN(+)
1 5
VEE
2
VEE
2
IN(-) OUT
3 4
IN(-)
3 4
GND-G GND-G
R876 R878 R880
10K 10K 10K
GND
GND
7
6
IC879 5
TC7SZ02FU
4
1 5 VCC
GND
3
2
2
3 4 OUT_Y
LED_All_OFF
* 1
C861
10uF
12507WR-06L
25V
P805
GND
BLUE LED
VCC_B
560
R812
C809
2200pF
50V
GND-B
OVI NC_2
15 7
GND CLP DH
16 6
R817 EAOUT
LX
MAXIM IC
5.6K 17 5 C812
EAN BST
MAX16821C
GND-B 18 4
DIFF IC806 DL 4.7uF
19 3
R813 CSN NC_1
R815 D801
10K
20 29 2 RB160M-40
CSP
PGND
10K
21 1
C811
40V
4.7uF
LED_PWR
C810
C808
4.7uF
1uF 10V
25V
Differential Pair
GND-B
Differential Pair
RED LED
VCC_R
560
R842
C839
2200pF
50V
GND_R
OVI NC_2
15 7
GND CLP DH
16 6
R847 EAOUT
LX
MAXIM IC
5.6K 17 5
EAN
BST
MAX16821C
18 4
GND_R
DIFF IC835 DL
19 3
R843 CSN NC_1
R845 D831
10K
20 29 2 RB160M-40
CSP
PGND
10K
21 1 C841
40V
4.7uF
LED_PWR
C840
C838
4.7uF
1uF 10V
25V
Differential Pair
GND_R
Differential Pair
GREEN LED
VCC_G
560
K R882
C880
2200pF
A
50V
GND-G
VCC
OVI
NC_2
15 7
CLP DH
GND
16 6
R887 EAOUT LX
MAXIM IC
17 5
OUT 5.6K
EAN BST
GND-G MAX16821C
18 4
DIFF
IC876 DL
19 3
R883 CSN NC_1
D871
10K R885
20 29 2
RB160M-40
CSP PGND
10K
21 1
C882 40V
4.7uF
LED_PWR
C881
C879
4.7uF
1uF
10V
25V
Differential Pair
GND-G
Differential Pair
9.5~19.5V
VIN
5V
OPT
R861
10K EN
9.5~19.5V
C897
0.1uF
LED_Enable
50V
C862 C864 C866 C867
10uF 10uF 0.1uF 0.01uF
25V 50V 25V
25V
WAFER_J
9.5~19.5V P872
5025840870
R901 0
1
C895
10uF
D804 2
25V
RB160M-40
40V
C813 C814 C824
D 10uF 10uF 10uF 3
25V 25V 25V
R824
1 G
L801
4
2.2uH R825
S
D
0.001
5
C815 C816 C817 C818 C826 C829
10uF 10uF 10uF
10uF 10uF 10uF
G
10V 10V 10V 10V 10V 10V
R823 6
S
3.3
D803
RB160M-40 C819
40V 2200pF 7
50V
OPT
8
9
GND
3.3V WAFER_J
9.5~19.5V P873
5025840870
R902 0
C851 1
0.1uF
16V
2
D805 R_NTC
RB160M-40
40V C843 C844 C823 C894
D
10uF 10uF 10uF 10uF 3
25V 25V 25V 25V
R854
1
G L831
4
2.2uH
S R855
C842 D
0.001
5
C845 C846 C847 C848
C827 C830
GND
4.7uF 10uF 10uF 10uF 10uF 10uF 10uF
G
10V 10V 10V 10V 10V
10V
R853 6
S
3.3
D806 C820
RB160M-40 2200pF
7
40V
50V
OPT
8
9
GND
3.3V WAFER_J
9.5~19.5V
5025840870
R903 0
C892 1
0.1uF
C896 16V
10uF
D808 2
RB160M-40 25V
40V G_NTC
C825
C884 C885
D 10uF 10uF 10uF 3
25V 25V 25V
R894
1
G L871
4
2.2uH R895
S
C883 D 0.001
5
C886 C887 C888 C889 C828 C837
4.7uF 10uF 10uF 10uF 10uF 10uF 10uF
G
10V 10V
10V 10V 10V 10V
R893
S 6
3.3
D807
RB160M-40
40V 7
OPT
C822
2200pF
50V 8
GND
IC877
LED_PWR
LM2715RS
VOUT
2 4
FLG/ADJ
1 5
C893
10uF
3 10V
GND
10.01.08
HX300-JE
01
LED DRIVER
LGE Internal Use Only
P874
9
01