LG 32LD320 Service Manual page 21

FROM LIPS & POWER B/D
19~22
P801
WAFER-ANGLE
L804
CB3216UA121
1
2
L806
3
CB3216UA121
4
C802 C885
0.1uF 0.1uF C824
220uF
16V 16V
5 16V
R814
100
6
R815
6.8K
7
OPT
L824
BLM18PG121SN1D
19~22
8
C823
9
1uF
6.3V
OPT
10
L800
BLM18PG121SN1D
11
C804
19~22
1uF
6.3V
A_DIM_1
R858
20 INV_CTL
0
R808 0
22 INV_CTL
P800
FW20020-24S
. .
1 2
. .
3 4
. .
5 6
. .
7 8
. .
9 10
. .
11 12
22 PDIM
PWM_DIM . .
R855 0 13 14
. .
15 16
.
17 . 18
ERROR_OUT R841 .
19 12 20
0 C807
22 GND
22 ERROR 21 11 14 22
0.1uF
R812
R813
16V .
0 23 13 24
0
OPT
OPT
26~52
21 ADIM
A_DIM_1
R851 0
C818
0 R875
R845
16V
0
0.1uF
21 ERROR
ERROR_OUT 21 GND
OPT
LGD V3 LGD V4 AUO PSU Sharp PSU
20 PIN 20 INV_CTL 20 INV_CTL 20 INV_CTL 20 INV_CTL
21 ADIM 21 ADIM 21 ERROR 21 ERROR
21 PIN
22 ERROR 22 ERROR 22 PDIM 22 GND
22 PIN
24 PIN 24 PDIM OPC NC 24 PDIM
Stand-by +3.3V
+5V_ST +3.3V_ST
Replaced Part
IC801
AP1117E33G-13
$0.048 ADJ/GND
IN
3 1
C806
C803 2 C808
100uF
0.1uF 0.1uF
OUT
16V 16V 16V
+24V/+15V
C854 C855 R835 AMP_VCC
0.1uF 2.2uF 22K
50V 19~22
19~22 L808
19~22 S
26~52
BLM18PG121SN1D
G
R834 L823
Q807
D
2.2K BLM18PG121SN1D
19~22
19~22
R829 C
19~22
10K
19~22 B
Q803
19~22
POWER_ON/OFF1
E C862
0.01uF
50V
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.
POWER
Downloaded From TV-Manual.com Manuals
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+12V/+15V
L810
BLM18PG121SN1D
12V_PANEL
+24V/+15V
OPT
C813 C832
C821
0.1uF 68uF
68uF
50V 35V 35V
+5V_ST
+5V_GENERAL
+3.3V_ST
R818
3.3K
R822
10K
PANEL_CTL
C
R821
INV_CTL 1:AK10
Q802 B 10K
2SC3052
E
R823
10K
PWM_DIM
OPT
+5V
+5V_ST
OPT
R864 Vout=0.8*(1+R1/R2)
R803
10K
4.7K R1
A_DIM
+5V_ST
R2
+3.3V_ST
RT1P141C-T112
Q801
+5V_ST
+1.8V_DDR
R804
10K
3 1
R805
OPT
R807
4.7K BLM18PG121SN1D
33K 2
R806
OPT 0
C R802
POWER_ON/OFF1
10K
Q800 B R810 0
2SC3052
OPT
E
+12V
L807
CB3216UA121
C865
C826
C820
0.1uF
0.1uF 100uF
16V 16V 16V
OPT
R870 0
PWM_DIM
R859 22
PWM_DIM
1:AK11 POWER_ON/OFF1
24 PDIM
R860 22
OPC_OUT
OPC
R859 R860
OPC X O
NOT_OPC O X
+3.3V_ST
+3.3V_AVDD_MPLL
L803
BLM18PG121SN1D
C815
0.1uF
16V
+12V/+15V
+12V
L809
BLM18PG121SN1D
26~52
C864
0.1uF
Placed on SMD-TOP
50V
C IN
+5V_ST
L801
BLM18PG121SN1D
5V_PANEL
C845
C842
10uF
C841 0.1uF
0.01uF 16V
16V
25V
OPT
Q806
RSR025P03
S D
5V_PANEL_OPT
R842 C847
10K 4.7uF
R842-*1
G
16V C853
22K
R837
R843-*1 1uF
22K R843
25V
1.8K
2.7K
OPT
C
R832
10K
B Q805
2SC3052
C
E
R833
R839
10K B Q804
22K
2SC3052
E
+1.8V_DDR
+3.3V
450 mA
L826
C877
2.2uH
0.1uF
R872
16V
10K
R809
10.5K
1%
C829
1uF
6.3V
R871 C876
22uF
8.2K
10V
1%
PGND2_1 ITH2
1 15
C878
PVCC_1 AVCC
L817 10uF 2 14
10V
IC806
PVCC_2 NC
3 13
R874
BD9150MUV
C879
PVCC_3 AGND
4 12 75K
10uF
10V
PGND1_1 ITH1 R873
5 11
5%
56000
C883
C880 330pF
22uF
C882
10V
330pF
L827
2.2uH
BLM18PG121SN1D
GND
GND
+3.3V
+3.3V_ST
R856 C825
4.7K 0.1uF
16V
R800
10K
C866
10uF
Replaced Part
+3.3V
IC803
+1.8V_AMP
AP1117E18G-13
$0.048
IN ADJ/GND
3 1
50 mA
2
C822
OUT C827
C800 C814
100uF 0.1uF
100uF
0.1uF
16V 16V
16V
16V
IC804
+3.3V
+1.2V_TUNER
AZ1117H-1.2TRE1
IN OUT
3 2
$0.05
180 mA
1
C801 C810 C884
ADJ/GND
C805
100uF 100uF
0.1uF
0.1uF
16V 16V
16V
16V
S6 core 1.26 volt
+5V_ST
465 mA @85% efficiency
+3.3V
BLM18PG121SN1D
MAX 3A
L812 Replaced Part R831
1/16W
OPT
10K
R830
C891
10K
Close to IC
1/16W 0.47uF
Vout=0.8*(1+R1/R2) R825
25V
22K 1%
Close to IC IC805
R824
MP2212DN
22K
R1 $0.07
1%
4.9A 0.0150OHM 34MHZ
FB EN/SYNC
1 8
R827
75K L813
R2
1/8W 3.6uH
GND SW_2
1% 2 7
$0.24
DEVELOPE NR8040T3R6N
IN SW_1
3 6
OPT
BS VCC
4 5 C836
C838 C837
22uF 0.1uF
22uF
10V 50V
10V
R862 0
R826
10
C840
1/10W
1uF
1%
6.3V
PANEL_POWER +12V
+12V/+15V
R848 100K
IC808
MP2305DS
BS SS
PANEL_POWER
1 8
$0.28
IN EN
2 7
C848
0.01uF
SW COMP
C839 25V
3 6
C835
0.47uF
22uF
25V
25V
GND FB
4 5
C859
0.1uF
16V
L819
22UH C858
22uF
16V
OPT
+5V_ST
0.1uF
16V
1:AK11 POWER_ON/OFF1
+3.3V_AVDD
L805
+5V_GENERAL
C811
0.1uF
16V
+3.3V_CI
L814
BLM18PG121SN1D
C852
0.1uF
16V
+1.26V_VDDC
1600 mA
OPT
C843 C849
C856
22uF 22uF 0.1uF
10V
Placed on SMD-TOP
C868
0.1uF
50V
BLM18PG121SN1D
L802
C860
C816
5.6nF R852
0.1uF
50V 9.1K
16V
PANEL_POWER
R2 R853
+5V_GENERAL
R811
12.4K
R847
1%
R1
56K BLM18PG121SN1D
1
1%
L821
Vout=0.923*(1+R1/R2) R801
1
C809
C850
C828
470uF
0.1uF
0.1uF
16V
16V
16V
OPT
Q809
RSR025P03
S
D
C863
G
0.1uF
16V
C
R840
10K
B Q808
2SC3052
E
+3.3V_TUNER
Replaced Part
IC809
AP1117E33G-13
$0.048 ADJ/GND
IN
3 1
C893
C890 2 C894
C892
0.1uF 100uF 0.1uF
OUT
100uF
16V
16V 16V
16V
EAX60686904 2009.03.25
POWER 8
LGE Internal Use Only
+5V_USB_REAR
+5V_USB_SIDE
C812
0.1uF
16V
11