DOWNLOAD LG 42LH3300 Service Manual ↓ Size: 4.87 MB | Pages: 59 in PDF or view online for FREE

Model
42LH3300
Pages
59
Size
4.87 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lh3300.pdf
Date
PREV: LG 42LH3000 / 42LH3010 / 42LH3020 / 42LH3040 (CHASSIS:LD91A) Service Manual

LG 42LH3300 Service Manual ▷ View online

              - 33 -                                                         
3. 32LH3300-ZC
4. 42LH3300-ZC
- 
34 -
300
200
A5
801
LV
1
A2
A10
802
803
804
805
521
400
900
120
510
301
500
310
302  
540
530
550
806
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by       in the Schematic Diagram and EXPLODED VIEW. 
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. 
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
ST_3V3
ST_3V3
ST_3V3
DCU_nRESET
34
STb7100_nRESET 34
MPEG_/RESET
5
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Q1361
MMBT4401
Q1361
MMBT4401
1
2
3
R1371
103/1005
R1371
103/1005
R1361
102/1005
R1361
102/1005
Q1363
MMBT4401
Q1363
MMBT4401
1
2
3
C1366
104p/16V/1005
C1366
104p/16V/1005
R1372
103/1005
R1372
103/1005
R1374
472/1005
R1374
472/1005
Q1362
MMBT4401
Q1362
MMBT4401
1
2
3
R1375
103/1005
R1375
103/1005
R1370
472/1005
R1370
472/1005
R1373
000/1005
R1373
000/1005
R1362
103/1005
R1362
103/1005
Q1364
MMBT4401
Q1364
MMBT4401
1
2
3
S1361
OPEN-JTP1127WEM
S1361
OPEN-JTP1127WEM
1
2
3
4
R1367
103/1005
R1367
103/1005
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
VXI_D0
VXI_D1
VXI_D2
VXI_D3
VXI_D4
VXI_D5
VXI_D6
VXI_D7
VXI_D8
VXI_D9
VXI_D10
VXI_D11
VXI_D12
VXI_D13
VXI_D14
VXI_D15
ST_3V3
+5VTA
VXI_VS
5
VXI_HS
5
VXI_D[0..15]
5
ST_SPDIF
5
ST_PCM_SCLK 5
ST_PCM_LRCLK 5
ST_PCMOut0 5
ST_PCM_MCLK 5
ST_CVBS_OUT 9
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CHROMA
COMP PUT
LUMA
RED
GREEN
BLUE
TP212
PCB_TP08 TP212
PCB_TP08
1
R989
OPEN-750/F/1005
R989
OPEN-750/F/1005
R609
220/1005
R609
220/1005
TP211
PCB_TP08 TP211
PCB_TP08
1
TP210
PCB_TP08 TP210
PCB_TP08
1
U962
OPEN-FMS6141S5X/SO8
U962
OPEN-FMS6141S5X/SO8
GND
1
GND
2
VDin
3
VDout
4
VCC
5
TP207
PCB_TP08 TP207
PCB_TP08
1
TP213
PCB_TP08 TP213
PCB_TP08
1
R608
220/1005
R608
220/1005
TP209
PCB_TP08 TP209
PCB_TP08
1
TP216
PCB_TP08
TP216
PCB_TP08
1
TP218 PCB_TP08
TP218 PCB_TP08
1
TP221 PCB_TP08
TP221 PCB_TP08
1
TP214
PCB_TP08 TP214
PCB_TP08
1
R586
OPEN-103/1005
R586
OPEN-103/1005
R606
220/1005
R606
220/1005
TP208
PCB_TP08 TP208
PCB_TP08
1
R555
103/1005
R555
103/1005
R581
OPEN-103/1005
R581
OPEN-103/1005
PR27
220*4/1005
PR27
220*4/1005
1
8
2
7
3
6
4
5
TP215
PCB_TP08
TP215
PCB_TP08
1
R978
OPEN-750/F/1005
R978
OPEN-750/F/1005
PR29
220*4/1005
PR29
220*4/1005
1
8
2
7
3
6
4
5
R611
141/F/1005
R611
141/F/1005
R607
220/1005
R607
220/1005
R614
5760/F/1005
R614
5760/F/1005
R604
OPEN-220/1005
R604
OPEN-220/1005
R613
7681/F/1005
R613
7681/F/1005
TP220 PCB_TP08
TP220 PCB_TP08
1
TP206
PCB_TP08 TP206
PCB_TP08
1
C975
OPEN-104p/16V/1005
C975
OPEN-104p/16V/1005
R605
220/1005
R605
220/1005
TP217
PCB_TP08
TP217
PCB_TP08
1
R603
220/1005
R603
220/1005
TP219 PCB_TP08
TP219 PCB_TP08
1
R556
103/1005
R556
103/1005
PR28
220*4/1005
PR28
220*4/1005
1
8
2
7
3
6
4
5
TP205
PCB_TP08 TP205
PCB_TP08
1
PR30
220*4/1005
PR30
220*4/1005
1
8
2
7
3
6
4
5
R561
103/1005
R561
103/1005
R990
000/1005
R990
000/1005
VIDEO-AUDIO
U1131F
STI7103HUD
VIDEO-AUDIO
U1131F
STI7103HUD
viddigouthsync
L25
viddigoutvsync
L27
viddigoutyc[0]
F29
viddigoutyc[1]
G30
viddigoutyc[2]
G31
viddigoutyc[3]
G29
viddigoutyc[4]
H31
viddigoutyc[5]
H32
viddigoutyc[6]
H30
viddigoutyc[7]
J29
viddigoutyc[8]
K30
viddigoutyc[9]
K32
viddigoutyc[10]
K31
viddigoutyc[11]
L29
viddigoutyc[12]
L31
viddigoutyc[13]
L30
viddigoutyc[14]
M28
viddigoutyc[15]
M30
viddigoutyc[16]
N28
viddigoutyc[17]
N29
viddigoutyc[18]
P29
viddigoutyc[19]
P31
viddigoutyc[20]
P30
viddigoutyc[21]
R31
viddigoutyc[22]
R32
viddigoutyc[23]
R30
vidanab0out
F28
vidanag0out
E29
VIDANAGNDAREXT[0]
K26
vidanar0out
D31
vidanac1out
B31
vidanacv1out
C30
vidanay1out
C31
VIDANAIDUMPR0
D30
VIDANAIDUMPG0
D29
VIDANAIDUMPB0
F27
VIDANAIDUMPC1
A32
VIDANAIDUMPCV1
B30
VIDANAIDUMPY1
B32
VIDANAREXT[0]
J25
VIDANAREXT[1]
H28
VIDANAGNDAREXT[1]
J27
NC
U30
NC
T30
NC
Y30
NC
Y29
NC
AA31
NC
AA30
NC
W29
NC
V29
NC
R26
AUDANAIREF
G26
audanamleftout
C29
audanamrightout
A31
audanapleftout
A30
audanaprightout
E28
audanavbgfil
H25
audlrclkout
C28
audpcmclkout
B25
audsclkout
C25
audspdifout
D25
audpcmout0
E27
audpcmout1
C27
audpcmout2
D27
audpcmout3
C26
audpcmout4
D26
auddigdatain
B29
auddigstrbin
B28
auddiglrclkin
D28
R612
7681/F/1005
R612
7681/F/1005
C590
106p/10V/2012
C590
106p/10V/2012
C976
OPEN-104p/16V/1005
C976
OPEN-104p/16V/1005
R587
OPEN-103/1005
R587
OPEN-103/1005
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
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Date:
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LF7300-MAIN-43
10
MTHOLE
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LF7300
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43
Wednesday, April 15, 2009
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Date:
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of
LF7300-MAIN-43
10
MTHOLE
LGE HD T+C
LF7300
43
43
Wednesday, April 15, 2009
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LF7300-MAIN-43
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LGE HD T+C
LF7300
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u { o † [ w p
{ o ƒ [ T \ T X
{ o ƒ [ T ^ T X
{ o ƒ [ T _ T X
4PI =>
{ o ƒ [ T _ T X
m k † y v | u k
m k † y v | u k
m k † y v | u k
m k † y v | u k
SCREW HOLE
m k † z x | h y l
FIDUCIAL MARK
m k † z x | h y l
NON-THROUGH HOLE
m k † z x | h y l
{ o ƒ [ T \ T X
u { o † [ w p
{ o ƒ [ T _ T X
{ o ƒ [ T ^ T X
m k † z x | h y l
{ o ƒ [ T _ T X
{ o ƒ [ T _ T X
EMI
LF7300 : CAN1,CAN3, CAN4, CAN5(Use), CAN2(Open)
LH3300 : All Open
{ o ƒ [ T _ T X
N1
PCB_NTH
N1
PCB_NTH
N13
PCB_FD_ROUND
N13
PCB_FD_ROUND
CAN2
OPEN-BODY(58WX10TX83L)
CAN2
OPEN-BODY(58WX10TX83L)
1
2
3
4
5
6
7
8
9
N45 PCB_SCREW_4PI_7
N45 PCB_SCREW_4PI_7
N42
PCB_SCREW_4PI_8
N42
PCB_SCREW_4PI_8
N40
PCB_SCREW_4PI_8
N40
PCB_SCREW_4PI_8
N44
PCB_SCREW_4PI_8
N44
PCB_SCREW_4PI_8
N18
PCB_FD_SQURE
N18
PCB_FD_SQURE
CAN4
COVER(58WX10TX83L)
CAN4
COVER(58WX10TX83L)
N43
PCB_SCREW_4PI_8
N43
PCB_SCREW_4PI_8
CAN1
BODY(58WX10TX83L)
CAN1
BODY(58WX10TX83L)
1
2
3
4
5
6
7
8
9
N48
PCB_SCREW_4PI_5
N48
PCB_SCREW_4PI_5
CAN5
COVER(58WX10TX83L)
CAN5
COVER(58WX10TX83L)
N17
PCB_FD_SQURE
N17
PCB_FD_SQURE
N19
PCB_FD_SQURE
N19
PCB_FD_SQURE
N41
PCB_SCREW_4PI_8
N41
PCB_SCREW_4PI_8
N12
PCB_FD_ROUND
N12
PCB_FD_ROUND
N11
PCB_FD_ROUND
N11
PCB_FD_ROUND
N10
PCB_FD_ROUND
N10
PCB_FD_ROUND
N16
PCB_FD_SQURE
N16
PCB_FD_SQURE
N46 PCB_SCREW_4PI_7
N46 PCB_SCREW_4PI_7
N47
PCB_SCREW_4PI_5
N47
PCB_SCREW_4PI_5
CAN3
BODY(58WX10TX83L)
CAN3
BODY(58WX10TX83L)
1
2
3
4
5
6
7
8
9
N49
PCB_SCREW_4PI_8
N49
PCB_SCREW_4PI_8
N2
PCB_NTH
N2
PCB_NTH
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