Read LG 22LK230-TA (CHASSIS:LP92R) 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_SDA
TUNER_SCL
5V_TUNER
0.01uF
C401
50V
PRE-AMP
0.01uF
C409
50V
PRE-AMP
0.01uF
C414
50V
VIF2
VIF1
SIF2
SIF1
TU_AGC
D401
30V
R411
680
PRE-AMP
0.01uF
C404
50V
C413
0.1uF
0.1uF
16V
ONLY_MA
C417
0.1uF
0.1uF
16V
ONLY_MA
R418
100
R423
12K
C411
47pF
47pF
50V
C412
47pF
50V
47pF
50V
R415
47
R414
47
C410
0.1uF
16V
0.1uF
16V
READY
C407
10uF
10V
10uF
10V
L403
K7257M
ONLY_TA
2
SWITCHING_INPUT
1
INPUT
5
OUTPUT2
4
OUTPUT1
3
CHIP_CARRIER
L404
2.2uH
2.2uH
READY
L401
PRE-AMP
820nH
R432
4.7K
4.7K
R433
4.7K
4.7K
5V_M
5V_M
L402-*1
M9370M
ONLY_MA
2
INPUT-GND
1
INPUT
5 OUTPUT_2
4 OUTPUT_1
3 CHIP_CARRIER-GND
L403-*1
M3953M
ONLY_MA
2
INPUT-GND
1
INPUT
5 OUTPUT_2
4
OUTPUT_1
3
CHIP_CARRIER-GND
Q401
BFS17W
PRE-AMP
E
B
C
R404
0
PRE-AMP(TA)
R412
22
PRE-AMP
R427
22
READY
C755
22pF
50V
22pF
50V
READY
R444
0
READY
R445
0
READY
L402
K9362M
ONLY_TA(NO_SW)
2
INPUT-GND
1
INPUT
5 OUTPUT2
4 OUTPUT1
3
CHIP_CARRIER-GND
R417
10K
TU_SW_VIF
R429
0
TU_SW_VIF
R424
10K
TU_SW_VIF
5V_M
5V_M
Q403
2SC3875S(ALY)
TU_SW_VIF
E
B
C
TU_CTL_VIF
D403
35V
KDS114E(KEC)
TU_SW_VIF
R425
3.3K
3.3K
TU_SW_VIF
R419
6.8K
6.8K
TU_SW_VIF
5V_M
R420
6.8K
6.8K
TU_SW_VIF
R430
0
NO_SW_VIF
R403
0
No PRE-AMP
5V_M
R409
0
0
PRE-AMP
TU401
TDTK-G701D
TDTK-G701D
ONLY_TA
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
TU401-*1
TDTK-H701F
ONLY_MA
5
B+[+5V]
11
DIF[-]/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
R410
220
PRE-AMP(TA)
R406
1.5K
1.5K
PRE-AMP
R407
820
820
PRE-AMP
0.01uF
C415
50V
5V_M
R421
6.8K
6.8K
TU_SW_SIF
R422
6.8K
6.8K
TU_SW_SIF
R416
3.3K
3.3K
TU_SW_SIF
R443
10K
TU_SW_SIF
Q402
2SC3875S(ALY)
TU_SW_SIF
E
B
C
R436
10K
TU_SW_SIF
5V_M
TU_CTL_SIF
5V_M
R428
0
TU_SW_SIF
D402
35V
KDS114E(KEC)
TU_SW_SIF
R431
0
NO_SW_SIF
L402-*2
K9653D
ONLY_TA(SW)
2
SWITCHING_INPUT
1
INPUT
5
OUTPUT_2
4
OUTPUT_1
3
INPUT-GND/CHIP_CARRIER_GND
Near the pin
NTSC
PAL(w/o NT)
L403
L402
K7257
K9653
TUNER
EAX64207701
2011/5/6
4 7
TUNER
M3953
Layout placement
Close to Tuner
Close to Mstar IC
Layout placement
PAL-BG,DK,I NTSC-M
High
Low
TU_CTL_VIF
M9370
Click on the first or last page to see other 22LK230-TA (CHASSIS:LP92R) service manuals if exist.