Read LG 32LV220C (CHASSIS:LP92M) 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.
TUNER
TUNER_SDA
TUNER_SCL
5V_TUNER
TU_AGC
D401
30V
R408
0
0.01uF
C404
50V
C413
0.1uF
0.1uF
16V
READY
C417
0.1uF
0.1uF
16V
READY
R418
100
R423
12K
C411
47pF
47pF
50V
C412
47pF
50V
47pF
50V
R415
47
R414
47
C407
10uF
10V
10uF
10V
R432
4.7K
4.7K
23inch_5V_M
R433
4.7K
4.7K
23inch_5V_M
+3.5V/+5V_MULTI
+3.5V/+5V_MULTI
R444
0
READY
R445
0
READY
R1089
4.7K
4.7K
32inch_5V_M
R1090
4.7K
4.7K
32inch_5V_M
+5V_M
+5V_M
Q401
BFS17W
PRE-AMP
E
B
C
0.01uF
C401
50V
PRE-AMP
R406
1.5K
1.5K
PRE-AMP
C755
22pF
50V
22pF
50V
READY
R403
0
NO_PRE-AMP
R404
0
PRE-AMP
0.01uF
C409
50V
PRE-AMP
R427
22
READY
+5V_M
C410
0.1uF
16V
0.1uF
16V
READY
R410
220
PRE-AMP
R411
680
PRE-AMP
R412
22
PRE-AMP
R407
820
820
PRE-AMP
L401
PRE-AMP
820nH
+3.5V/+5V_MULTI
TU401
TDTK-G701D
TDTK-G701D
5
B+[+5V]
11
AIF-
2
NC_2
10
NC_6
4
RF_AGC
1
NC_1
9
NC_5
8
NC_4
3
NC_3
7
SCL
6
SDA
12
SHIELD
0.01uF
C414
50V
R429
0
SW_VIF
R700
10K
SW_SIF
R417
10K
SW_VIF
+3.5V/+5V_MULTI
+3.5V/+5V_MULTI
R705
6.8K
6.8K
SW_32inch_5V(SIF)
Q402
2SC3875S(ALY)
SW_SIF
E
B
C
SIF1
0.01uF
C415
50V
+3.5V/+5V_MULTI
R430
0
NO_SW_VIF
Q403
2SC3875S(ALY)
SW_VIF
E
B
C
+5V_M
R706
0
SW_SIF
D403
35V
KDS114E(KEC)
SW_VIF
R703
6.8K
6.8K
SW_23inch_5V(SIF)
R420
6.8K
6.8K
SW_VIF
R1093
10K
SW_32inch_5V(VIF)
L404
2.2uH
2.2uH
READY
R702
3.3K
3.3K
SW_32inch_5V(SIF)
R707
0
NO_SW_SIF
R419
6.8K
6.8K
SW_23inch_5V(VIF)
R704
6.8K
6.8K
SW_SIF
TU_CTL_VIF
VIF2
D402
35V
KDS114E(KEC)
SW_SIF
R701
3.3K
3.3K
SW_23inch_5V(SIF)
+5V_M
+5V_M
+5V_M
VIF1
+5V_M
+3.5V/+5V_MULTI
L402
K9653D
SW_K9653D(SIF)
2
SWITCHING_INPUT
1
INPUT
5
OUTPUT_2
4
OUTPUT_1
3
INPUT-GND/CHIP_CARRIER_GND
R1091
6.8K
6.8K
SW_32inch_5V(VIF)
R1092
3.3K
SW_32inch_5V(VIF)
L403
K7257M
2
SWITCHING_INPUT
1
INPUT
5
OUTPUT2
4
OUTPUT1
3
CHIP_CARRIER
+3.5V/+5V_MULTI
R424
10K
10K
SW_23inch_5V(VIF)
R425
3.3K
3.3K
SW_23inch_5V(VIF)
SIF2
L402-*1
K9362M
NO_SW_K9362M(SIF)
2
INPUT-GND
1
INPUT
5 OUTPUT2
4 OUTPUT1
3
CHIP_CARRIER-GND
R10030
100
PRE-AMP_23inch(5VM)
R409
100
PRE-AMP_32inch(5VM)
Near the pin
TUNER
EAX64340301
2011/4/08
4 7
TUNER
Layout placement
Close to Tuner
TU_CTL_VIF
PAL-BG,DK,I NTSC-M
High
Low
Layout placement
Close to Mstar IC
Close to Mstar IC
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