LG 52LG5FRC-TA (CHASSIS:LP81Z) Service Manual ▷ View online
C
2008
- 21 -
SU
B
DE
CO
DE
R
SU
B
DE
CO
DE
R
US
B
US
B
US
B
_
R
A
M
US
B
_
R
A
M
RA
M
A
D
D
[
0
:1
1
]
/ RA
M
D
A
T
[
0
:1
5
]
RA
M
B
A
[
0
:1
]
/
C
S
/
R
A
S
/
C
A
S
/
W
E
/D
Q
M
/I
P
C
L
K
RXTX_MPEG
OrOr
D EC_656[ 0 : 7]
D EC_65 6_CLK
D EC_65 6_CLK
D
E
C
_
65
6
[
0
:7]
DE
C
_
6
5
6
_
CL
K
D
E
C
_
65
6[
0:
7]
D
E
C
_
65
6_
C
L
K
US
B
IN
P
U
T
US
B
IN
P
U
T
PI
P
_
V
(
G
A
IN
X
4
)
II
C
_P
a
rt
/
S
W
_R
E
S
E
T
U SB_D N/ D P
MX
2
5
L
16
0
5
MX
2
5
L
16
0
5
SF
C
S
/
S
F
L
K/
S
F
D
0
1
I2 S_DI N
/ I 2S_CLK_I N
/ I 2S_ WS_ IN
/ I 2S_CLK_I N
/ I 2S_ WS_ IN
SW _RESET
VA
D
D
IS
-9
6
6
X
D
M
12L
64
164A
-5
T
G
L
G
E
6
9
91D
D
MS
T
A
R
T
W
9910D
A
N
A
2-G
R
2. USB + SUB DECODER
2008
LG Electronics. Inc. All right reserved.
- 22 -
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
80
0
81
0
54
0
82
0
52
1
52
0
83
0
53
0
40
0
50
0
90
0
55
0
51
0
12
0
12
1
30
0
20
0
90
1
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.
220K
R133
75
R111
SD05
D105
220K
R108
COMP_R
COMP_Pb
PC_AUD_R
CDS3C05GTA
5.6V
D122
COMP_Y
5.6V
D103
CDS3C05GTA
5.6V
D123
PPJ209-02
JK100
4A
[GN]CONTACT
2A
[GN]1P_CAN
3A
[GN]O_SPRING
2B
[BL]1P_CAN
5B
[BL]C_LUG_L
2C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2D
[WH]1P_CAN
5D
[WH]C_LUG_L
2E
[RD]1P_CAN2
4E
[RD]CONTACT
3E
[RD]O_SPRING
SD05
D106
5.6V
D104
COMP_Pr
COMP_L
75
R110
220K
R106
1000-ohm
L100
PC_AUD_L
220K
R132
1000-ohm
L101
SD05
D107
75
R109
10K
R136
10K
R143
10K
R144
12K
R142
12K
R145
12K
R137
10K
R134
12K
R135
68
R114
DSUB_SCL
75
R116
CDS3C30GTH
30V
D112
DSUB_SDA
+5V_ST
CDS3C30GTH
30V
D110
100
R125
+5V_MULTI
75
R117
DSUB_SDA
DSUB_SCL
0.1uF
C100
PC_G
CDS3C30GTH
30V
D114
0.1uF
C102
75
R118
4.7K
R112
68
R115
0.1uF
C101
PC_R
PC_B
PC_VS
68pF
C103
PC_HS
0.1uF
C105
4.7K
R113
68pF
C104
CDS3C30GTH
30V
D113
100
R124
100
R128
4.7K
R150
READY
+5V_ST
100
R129
100
R130
0.1uF
C110
0.1uF
C106
100
R131
OPT
C111
TXD
0.1uF
C108
0.1uF
C109
OPT
C112
RXD
CDS3C30GTH
30V
D121
0.1uF
C107
4.7K
R151
READY
+3.3V_MST
CDS3C30GTH
30V
D120
+5V_ST
ENKMC2837-T112
D109
A
AC
C
ENKMC2837-T112
D111
A
AC
C
ENKMC2837-T112
D108
A
AC
C
MAX3232CDR
IC101
RS232C
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
PEJ024-01
JK102
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
IR_OUT
4.7K
R127
4.7K
R126
6630TGA004K
KCN-DS-1-0089
JK104
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
KCN-DS-1-0088
JK103
1
2
3
4
5
6
7
8
9
10
AT24C02BN-10SU-1.8
IC100
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
1000pF READY
C115
0
R148
1000pF READY
C116
0
R149
+5V_ST
4.7K
R152
SIGN1420
IR_OUT
PC SOUND
COMPONENT
1 11
2008/05/06
INPUT1
INPUT1 : COMP,RS232C,PC
MSTAR
PC
RS-232C
1.24C02-SUB:0IMMRAL014D
**MULTI ITEM
2.ENKMC2837-SUB:0DS226009AA
(KDS226)
EAX55161601
SUB : 0IMCRSG010A(STM)
MAIN : EAN41348201(TI)
*RS232C TX
MSTAR
C
2008
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.
220K
R212
0
R210
5.6V
D209
R E
A D
Y
CVBS_LIN
OPT
C207
SD05
D201
CVBS_RIN
5.6V
D204
75
R208
220K
R209
CVBS_VIN
5.6V
D202
5.6V
D208
R E
A D
Y
12K
R219
12K
R221
10K
R218
10K
R220
5.6V
D216
220K
R244
SIDE_RIN
75
R241
SD05
D214
SIDE_V
220K
R242
SIDE_LIN
5.6V
D215
75
R245
SIDE_Y
75
R246
SIDE_C
SD05
D217
SD05
D218
S_VIDEO_DET
SD05
D219
0
R214
0
R213
SPK_R-_HOTEL
SPK_R+_HOTEL
12K
R248
12K
R250
10K
R247
10K
R249
OPT
C210
READY
PPJ218-01
JK204
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
PSJ015-02
JK205
5
O_SPRING
4A
C_LUG_L_1
4B
C_LUG_S_1
4C
C_LUG_L_2
4D
C_LUG_S_2
3
GROUND
7
SHIELD
0.1uF
16V
READY
C213
0
R252
0
R251
100pF
50V
READY
C214
100pF
50V
READY
C215
0
R222
100pF
50V
READY
C211
0
R223
100pF
50V
READY
C212
PPJ148-10
JK200
4A
[RD]O_SPRING
2A
[RD]1P_CAN
5A
[RD]CONTACT
2
[WH]1P_CAN
3
[WH]C_LUG_L
2B
[YL]1P_CAN
4B
[YL]O_SPRING
5B
[YL]CONTACT
PPJ200-01
JK201
2
1
3
4
5
RJP_CTRL_2
10K
R254
R254
+12V_RJP
5.1V
D221
5.1V
D222
MJ-657PT-8-SD
JK202
1
2
3
4
5
6
7
8
9
+5V_MULTI
5.1V
D220
RJP_CTRL_1
10K
R255
R255
5.1V
D223
RJP_CTRL_3
RJP_DET
10K
R256
R256
RJP_CTRL_0
10K
R253
R253
+12V_RJP
RJP_DET
10K
R258
10K
R257
MBW3216-501TF
L200
+12V
RSR025P03
Q200
S
D
G
0.1uF
50V
C219
0.1uF
50V
C217
0.1uF
50V
C218
SCL_TUNER
0
R263
RJP_CTRL_2
0.1uF
C216
22
R264
RJP_CTRL_0
RJP_CTRL_1
100
R262
100
R259
100
R260
100
R261
22
R265
RJP_CTRL_3
JLC1562BFEL
IC200
3
A2
2
A1
4
D0
1
A0
6
D2
5
D1
7
D3
8
Vss
9
D4
10
D5
11
D6
12
D7
13
VDAC
14
SCL
15
SDA
16
VDD
+5V_MULTI
SDA_TUNER
SCL_Part_RJP
BSS83
Q201
+5V_MULTI
+3.3V_MULTI_MST
SCL_Part
2K
R269
47K
R268
SDA_Part_RJP
+3.3V_MULTI_MST
+5V_MULTI
2K
R271
47K
R270
BSS83
Q202
SDA_Part
22
READY
R266
SDA_Part_RJP
22
READY
R267
SCL_Part_RJP
0
R273
READY
0
READY
R272
2 11
INPUT2
MSTAR
SIDE AV
FRONT AV
2008/05/06
SPEAKER OUT
RJP BLOCK
I/0 EXPANSION
MSTAR
EAX55161601
INPUT2 : SIDE/FRONT AV ,RJP , SPK OUT
C
2008
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