Read LG 22LN4060 (CHASSIS:LM91P) Service Manual online
THERMAL
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.
AUDIO
SPK_L+
SPK_R-
JP302
JP301
SPK_L-
JP304
SPK_R+
P301
SMAW250-H04R
1
.
2
3
4
JP303
SPK_R+
SPK_L-
C329
0.47uF
50V
R324
4.7K
4.7K
R323
4.7K
0.1uF
C334
50V
0.1uF
C331
50V
R322
4.7K
C333
0.47uF
50V
SPK_R-
R325
4.7K
4.7K
0.1uF
C330
50V
SPK_L+
0.1uF
C335
50V
R316
12
C306
33pF
50V
33pF
50V
R307
100
C319
22000pF
50V
I2S_SCK
C315
22000pF
22000pF
50V
C326
390pF
50V
R317
12
R314
12
R315
12
C312
1uF
10V
1uF
10V
1uF
C303
10V
SW_RESET
AUAMP_SDA
C313
1uF
10V
10V
VCC_AMP
C327
390pF
50V
I2S_WS
R306
100
C325
390pF
50V
C305
33pF
50V
33pF
50V
R320
12
C301
0.1uF
16V
R318
12
C311
22000pF
50V
22000pF
50V
R311
100
C314
1uF
10V
1uF
10V
C308
22000pF
50V
R319
12
VCC_AMP
I2S_SDO
C328
390pF
50V
R313
12
I2S_MCLK
AUAMP_SCL
C320
1000pF
50V
R308
4.7K
4.7K
R309
4.7K
4.7K
+3.3V_M
0.1uF
C322
16V
R301
100
R302
100
R303
100
L301
BLM18PG121SN1D
+3.3V_M
R304
100
L304
10uH
10uH
L305
10uH
10uH
L303
10uH
10uH
L306
10uH
10uH
POWER_DET
IC301
NTP7513
3
DGND_PLL
2
VDD_PLL
4
GND
1
AGND_PLL
6
DVDD
5
DGND
7
SDATA
8
WCK
9
BCK
10
SDA
11
SCL
12
FAULT
13
MONITOR_0
14
MONITOR_1
15
MONITOR_2
16
BST2B
17
PGND2B
18
OUT2B
19
PVDD2B
20
PVDD2A
21
OUT2A
22
PGND2A
23
BST2A
24
VDR2
25
AGND
26
VCC5
27
VDR1
28
BST1B
29
PGND1B
30
OUT1B
31
PVDD1B
32
PVDD1A
33
OUT1A
34
PGND1A
35
BST1A
36
RESET
37
AD
38
CLK_I
39
GND_IO
40
VDD_IO
41
[EP]GND
Q342
MMBT3904(NXP)
E
B
C
R348
4.7K
MNT_ROUT
R347
10K
MNT_R_AMP
R345
5.6K
MNT_LOUT
IC341
AS324MTR-E1
3 INPUT1+
2 INPUT1-
4 VCC
1 OUT1
6 INPUT2-
5 INPUT2+
7 OUT2
8
OUT3
9
INPUT3-
10
INPUT3+
11
GND
12
INPUT4+
13
INPUT4-
14
OUT4
R350
6.8K
6.8K
C345
33pF 50V
R349
1K
R342
1K
R346
5.6K
R343
10K
MNT_L_AMP
R344
6.8K
6.8K
Q341
MMBT3904(NXP)
E
B
C
R341
4.7K
4.7K
C343
33pF 50V
+18V
+18V
+18V
C321
10uF
16V
10uF
16V
C317
10uF
25V
10uF
25V
C310
10uF
25V
10uF
25V
C309
0.1uF
25V
C302
0.1uF
25V
0.1uF
25V
READY
C318
0.1uF
25V
0.1uF
25V
C342
0.0068uF
50V
0.0068uF
50V
C347
0.0068uF
50V
0.0068uF
50V
C341
0.1uF
25V
0.1uF
25V
C346
0.1uF
25V
0.1uF
25V
C344
0.1uF
25V
0.1uF
25V
AUDIO
3 8
SPK_R+
SPK_L-
SPK_L+
SPK_R-
SPEAKER_R
SPEAKER_L
0x54
AUDIO_OUT AMP : GAIN X 4
EAX65303201
LN4050
2012/12/18
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