DOWNLOAD LG 42LA6900 (CHASSIS:LC33B) Service Manual ↓ Size: 10.53 MB | Pages: 122 in PDF or view online for FREE

Model
42LA6900 (CHASSIS:LC33B)
Pages
122
Size
10.53 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42la6900-chassis-lc33b.pdf
Date
PREV: LG 42LA6800-CA.AHK (CHASSIS:LC33B) Service Manual

LG 42LA6900 (CHASSIS:LC33B) Service Manual ▷ View 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.
D5001
5.5V
LAN_ESD
EPHY_TDN
D5003
5.5V
LAN_ESD
D5000
5.5V
LAN_ESD
D5002
5.5V
LAN_ESD
EPHY_TDP
EPHY_RDN
EPHY_RDP
C5000
0.1uF
16V
C5001
0.01uF
50V
JK5000
RJ45VT-01SN002
NON_LN56
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
50
LAN_VERTICAL
2012.03.08
Ethernet Block
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.
R5411
12
0.1uF
C5413
16V
AMP_MUTE
0.1uF
C5420
50V
R5418
5.1K
R5415
5.1K
+24V_AMP
AUD_LRCH
SPK_R-
R5403
100
+24V
R5410
12
C5416
22000pF
50V
SPK_R-
L5401
BLM18PG121SN1D
0.1uF
C5421
50V
R5407
12
C5427
1uF
10V
R5400
10K
AMP_MUTE_MICOM
AUD_SCK
+24V_AMP
C5434
0.47uF
50V
R5402
100
SPK_L-
0.1uF
C5436
50V
+3.3V_NORMAL
SPK_R+
R5409
12
0.1uF
C5418
50V
AUD_MASTER_CLK
SPK_R+
I2C_SCL1
0.1uF
C5439
50V
0.1uF
C5437
50V
R5414
12
R5405
100
AMP_MUTE_MICOM
R5406
3.3
OPT
0.1uF
C5400
50V
C5425
22000pF
50V
AUD_LRCK
C5430
390pF
50V
L5400
CIS21J121
R5413
12
P5400
WAFER-ANGLE
1
2
3
4
C5428
1uF
10V
SPK_L-
C5408
33pF
50V
C5440
0.1uF
16V
OPT
C5414
10uF
10V
C5415
1000pF
50V
C5406
33pF
50V
C5424
0.01uF
50V
OPT
AMP_RESET_N
C5433
1uF
10V
C5431
390pF
50V
C5411
0.1uF
16V
C5432
390pF
50V
+24V_AMP
+3.3V_NORMAL
C5426
22000pF
50V
R5401
10K
AMP_MUTE_MICOM
R5408
12
0.1uF
C5438
50V
R5412
12
R5417
5.1K
SPK_L+
C5417
22000pF
50V
0.1uF
C5401
50V
I2C_SDA1
0.1uF
C5419
50V
C5435
0.47uF
50V
SPK_L+
Q5400
MMBT3904(NXP)
AMP_MUTE_MICOM
E
B
C
C5429
390pF
50V
C5404
1000pF
50V
R5416
5.1K
L5404-*1
NRS6045T100MMGK
Audio_Coil_TAIYO
10.0uH
L5405-*1
NRS6045T100MMGK
Audio_Coil_TAIYO
10.0uH
L5402-*1
NRS6045T100MMGK
Audio_Coil_TAIYO
10.0uH
L5403-*1
NRS6045T100MMGK
Audio_Coil_TAIYO
10.0uH
1uF
C5412
10V
L5404
LPH6045T-100M 
Audio_Coil_ABCO
10uH
L5405
LPH6045T-100M 
Audio_Coil_ABCO
10uH
L5402
LPH6045T-100M 
Audio_Coil_ABCO
10uH
L5403
LPH6045T-100M 
Audio_Coil_ABCO
10uH
IC5400
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
C5422
10uF
35V
C5423
10uF
35V
R5419
100
AMP_MUTE_PWR_DET
POWER_DET
54
AMP_NEO
2011.11.21
SPEAKER_R
SPEAKER_L
0x54
DUAL COMPONENT
Q1801
1ST : 0TRIY80001A  2ND : 0TR387500AA
[AMP_MUTE_PWR_DET]
-->For fixing AC-OFF POP noise 32"POLA/ROW model
-->32"POLA/ROW LPB’s 3.5st drop time is very fast
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.
SIGN600002
C6004
0.1uF
50V
EU
DTV/MNT_R_OUT
C6008
1uF
25V
EU
SCART_Lout
R6008
33K
EU
C6005
33pF
EU
SCART_MUTE
C6003
33pF
EU
DTV/MNT_L_OUT
DTV/MNT_L_OUT
R6002
470K
OPT
Q6000
MMBT3904(NXP)
EU
E
B
C
R6000
2.2K
EU
+12V
C6007
6800pF
OPT
SCART_AMP_L_FB
R6010
470K
OPT
C6000
1uF
25V
EU
R6004
33K
EU
DTV/MNT_R_OUT
C6002
6800pF
OPT
Q6001
MMBT3904(NXP)
EU
E
B
C
L6000
EU
SCART_Rout
SCART_AMP_R_FB
IC6000
AZ4580MTR-E1 
EU
3
IN1+
2
IN1-
4
VEE
1
OUT1
5
IN2+
6
IN2-
7
OUT2
8
VCC
R6011
2.2K
EU
Q6002
RT1P141C-T112
EU_SCART_MUTE_ISAHAYA
E
B
C
R6014
1K
EU
R6013
1K
EU
Q6002-*1
PDTA114ET
EU_SCART_MUTE_NXP
E
B
C
60
SCART AUDIO AMP
2011.11.21
[SCART AUDIO MUTE]
AUD_OUT >> EU/CHINA_HOTEL_OPT
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.
R6100
10K
HP_OUT
C6101
1uF
10V
HP_OUT
C6100
1uF
10V
HP_OUT
+3.3V_NORMAL
C6105
1uF
10V
HP_OUT
R6101
10K
HP_OUT
HP_LOUT_AMP
HP_LOUT_MAIN
SIDE_HP_MUTE
+3.3V_NORMAL
R6104
43K
1%
HP_OUT
R6103
33K
HP_OUT_MTK
C6102
1uF
10V
HP_OUT
R6105
4.7K
HP_OUT
C6103
1uF
10V
HP_OUT
HP_ROUT_MAIN
L6100
120-ohm
HP_OUT
BLM18PG121SN1D
C6104
180pF
HP_OUT_MTK
R6106
43K
1%
HP_OUT
C6107
0.1uF
16V
HP_OUT
C6109
180pF
HP_OUT_MTK
R6102
33K
HP_OUT_MTK
HP_ROUT_AMP
C6104-*1
18pF
HP_OUT_H13
C6109-*1
18pF
HP_OUT_H13
C6108
10pF
50V
HP_OUT
C6106
10pF
50V
HP_OUT
IC6100
TPA6138A2
3
OUTR
2
-INR
4
GND_1
1
+INR
6
VSS
5
MUTE
7
CN
8
CP
9
VDD
10
GND_2
11
UVP
12
OUTL
13
-INL
14
+INL
R6103-*1
43K
1%
HP_OUT_H13
R6102-*1
43K
1%
HP_OUT_H13
2011.09.29
HEADPHONE AMP
61
EARPHONE AMP
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