Read LG 32LH20D (CHASSIS:LB91A) Service Manual online
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.
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.
R980
0
32"UP_IR_KEY
L957
BLM18PG121SN1D
D956
5.6V
5.6V
AMOTECH
LED_ON/LED_R
P953
12507WS-12L
32"UP_IR_KEY
EAG58732902
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
5V_ST
7
GND
8
WARM_ST
9
IR
10
GND
11
3.3V
12
PWR_ON
13
GND
L953
BLM18PG121SN1D
32"UP_IR_KEY
D952
26"UNDER_IR
C976
0.1uF
32"UP_IR_KEY
C983
0.1uF
32"UP_IR_KEY
L952
26"UNDER_KEY
LED_ON/LED_R
L956
26"UNDER_IR
D954
5.6V
AMOTECH
26"UNDER_KEY
D951
5.6V
26"UNDER_IR
L955
26"UNDER_IR
C975
0.1uF
16V
IR
KEY2
C980
0.1uF
16V
32"UP_IR_KEY
D955
5.6V
5.6V
AMOTECH
32"UP_IR_KEY
D958
5.6V
AMOTECH
32"UP_IR_KEY
L954
26"UNDER_KEY
L951
32"UP_IR_KEY
D959
5.6V
R978
0
32"UP_IR_KEY
C978
1000pF
50V
R973
4.7K
+3.3V_ST
R972
100
KEY1
C972
0.1uF
16V
16V
26"UNDER_KEY
R979
0
OPT
C981
1000pF
50V
32"UP_IR_KEY
C973
1000pF
26"UNDER_IR
LED_G
D953
5.6V
AMOTECH
26"UNDER_KEY
SUB/AMP_SDA
SUB/AMP_SCL
R974
4.7K
L958
BLM18PG121SN1D
32"UP_IR_KEY
D957
5.6V
C979
100pF
50V
+5V_ST
POWER_ON/RL_ON
C977
0.1uF
16V
0.1uF
16V
26"UNDER_KEY
R971
100
C974
1000pF
26"UNDER_IR
L959
BLM18PG121SN1D
P951
12507WS-08L
26"UNDER_IR
EAG58732904
1
KEY1
2
KEY2
3
GND
4
5V_ST
5
GND
6
IR
7
LED_B
8
LED_R
9
.
Q910
2SC3052
OPT
E
B
C
R985
47K
OPT
Q911
2SC3052
OPT
E
B
C
R983
10K
10K
OPT
R981
22
OPT
+5V_ST
R982
47K
OPT
OPT
+5V_ST
IR_OUT
R984
47K
OPT
OPT
C982
0.1uF
16V
32"UP_IR_KEY
R986
10K
32"UP_IR_KEY
+3.3V
LED_G_SUB
R987
0
OPT
P952
12507WR-03L
26"UNDER_KEY
1
KEY1
2
KEY2
3
GND
4
GND
MDS61887701
M2
SMD GASKET-MEMORY1
MDS61887701
M1
SMD GASKET-LVDS
MDS61887701
M3
SMD GASKET-MEMORY2
R976
100
32"UP_IR_KEY
R975
100
32"UP_IR_KEY
IR
11
10
EAX59793902(0)
2009.01.31
CONTROL & IR & LED
AUS_LH20/LH35
For LH20_LH35 MP
EAX59793902(0)_AUS_MERCURY
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