DOWNLOAD LG 50PS30FD-GA (CHASSIS:PE91A) Service Manual ↓ Size: 17.88 MB | Pages: 44 in PDF or view online for FREE

Model
50PS30FD-GA (CHASSIS:PE91A)
Pages
44
Size
17.88 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50ps30fd-ga-chassis-pe91a.pdf
Date
PREV: LG 50PS30FD-AA (CHASSIS:PA91A) Service Manual

LG 50PS30FD-GA (CHASSIS:PE91A) Service Manual ▷ View online

F
i
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O
p
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c
U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
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.
R973
1K
R963
10K
+3.3V_AVDD
C911
0.1uF
16V
+3.3V_AVDD
SIDE_CVBS_DET
R937
75
SIDE_CVBS_IN
R938
0
SPDIF_OUT
D934
READY
C926
0.1uF
50V
R964
1K
READY
JK904
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
+5V_GENERAL
R936
0
S_READY
R
9
2
5
7
5
1
%
S_READY
SIDE_C_IN
SIDE_Y_IN
R
9
2
4
7
5
1
%
S_READY
R935
0
S_READY
SIDE_S_DET
SIDE_LIN
C913
100pF
C912
100pF
SIDE_RIN
+5V_USB
USB_DP
USB_DM
C918
47pF
50V
S_READY
C917
47pF
50V
S_READY
R962
10K
S_READY
C916
47pF
50V
R
9
2
3
4
7
0
K
R
9
2
2
4
7
0
K
R930
10K
R933
10K
R932
12K
R931
12K
+5V_GENERAL
R975
180
C927
0.1uF
R970
100
JK906
PSJ015-02
S_READY
5
4A
4B
4C
4D
3
7
JK902
PPJ218-01
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
USB_CTL
USB_OCD
JK905
KJA-UB-4-0004
1
2
3
4
5
D922
D921
D923
S_READY
D919
30V
D924
S_READY
D925
S_READY
D931
30V
D932
5.6V
CDS3C05HDMI1
D933
5.6V
CDS3C05HDMI1
R934
0
S_READY
R992
10K
R991
10K
+3.3V_CI
IC900
MIC2019YM6
3
ENABLE
2
GND
4
FAULT
1
VIN
6
VOUT
5
ILIMIT
C934
470uF
16V
R900
1K
R901
10K
DTV/MNT_R_OPOUT
COMP_LIN
R902
470K
+5V_GENERAL
R904
10K
R908
10K
R910
1K
COMP_DET
R911
470K
COMP_Pb
AV_DET
R912
470K
R916
75
R917
12K
C901
100pF
50V
R918
10K
R920
10K
R921
12K
COMP_RIN
DTV/MNT_L_OPOUT
R927
10K
R928
10K
R929
470K
COMP2_Y
R939
10K
AV_LIN
R941
12K
R942
75
C905
100uF
16V
R944
12K
C907
100pF
50V
R945
12K
+5V_GENERAL
COMP2_LIN
AV_RIN
R947
470K
R948
12K
PC_LIN
+5V_GENERAL
COMP2_DET
R950
470K
R951
10K
PC_RIN
COMP2_RIN
COMP2_Pb
AV_CVBS_IN
COMP2_Pr
C920
0.1uF
16V
COMP_Y
R955
10K
R956
470K
C919
100pF
50V
R958
10K
COMP_Pr
D903
5.6V
D910
5.6V
D913
5.6V
D902
5.6V
D909
5.6V
D905
5.6V
D904
5.6V
D912
5.6V
D915
30V
READY
D906
30V
READY
D901
30V
READY
D907
30V
D914
30V
READY
D916
30V
READY
D900
30V
D918
30V
READY
D917
30V
READY
D908
30V
READY
D911
30V
R914
12K
R957
12K
R961
1K
R960
1K
D927
5.6V
C902
100pF
50V
D926
5.6V
R903
470K
R915
390
Q902
2SC3052
READY
E
B
C
R906
470
R913
120
R946
0
Q901
2SA1504S
E
B
C
L900
R940
330
READY
C921
0.1uF
50V
C909
10uF
16V
R959
47K
P_12V
DTV/MNT_VOUT
R905
330
READY
Q900
2SC3052
E
B
C
R919
15K
R949
470K
C904
1000pF
50V
C906
1000pF
50V
C910
1000pF
50V
C903
1000pF
50V
R965
0
C922
47pF
50V
C915
6800pF
50V
C908
6800pF
50V
JK900
PPJ223-02 
3A
[GN]CONTACT-S
4A
[GN]O-SPRING-S
8B
[BL]C-LUG-S
8C
[RD]C-LUG-S
8D
[WH]C-LUG-S_1
4E
[RD]O-SPRING-S_1
3E
[RD]CONTACT-S_1
9F
[GN]E-LUG
5F
[GN]O-SPRING-L
6F
[GN]CONTACT-L
9G
[BL]E-LUG
7G
[BL]C-LUG-L
9H
[RD]E-LUG_1
7H
[RD]C-LUG-L
9J
[WH]E-LUG
7J
[WH]C-LUG-L_1
9K
[RD]E-LUG_2
5K
[RD]O-SPRING-L_1
6K
[RD]CONTACT-L_1
E3
E-SPRING
E4
R-SPRING
E5
T-SPRING
5L
[YL]O-SPRING-L
6L
[YL]CONTACT-L
7M
[WH]C-LUG-L_2
5N
[RD]O-SPRING-L_2
6N
[RD]CONTACT-L_2
4P
[YL]O-SPRING-S
3P
[YL]CONTACT-S
8Q
[WH]C-LUG-S_2
4R
[RD]O-SPRING-S_2
3R
[RD]CONTACT-S_2
R909
75
R953
75
R943
75
R952
75
R907
75
R954
75
JACK
9
7
SIDE CVBS & S_VIDEO
SPDIF OPTIC JACK
SWITCH ADDED
USB
MSD3369GV NZ Platfrom
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.
JK1001
KCN-DS-1-0089
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DDC_SCL/UART_RX
C1002
220pF
50V
READY
R1018
22
DSUB_DET
GND
12pF
C1016
DDC_SCL/UART_RX
DSUB_G
75
R1010
4.7K
R1011
4.7K
R1012
DSUB_B
C1022
0.1uF
DSUB_R
DSUB_VSYNC
PC_SER_DATA
DDC_SDA/UART_TX
4.7pF
C1012
C1000
270pF
50V
READY
1K
R1014
1K
R1013
75
R1007
DDC_SDA/UART_TX
C1013
0.1uF
16V
12pF
C1017
C1003
270pF
50V
READY
R1017
22
IC1001
AT24C02BN-10SU-1.8
3
2
4
1
5
6
7
8
R1001
10
R1015
22
4.7pF
C1015
C1004
220pF
50V
READY
4.7pF
C1014
PC_SER_CLK
+3.3V_AVDD
75
R1005
DSUB_HSYNC
+5V_VGA
C1001
0.1uF
16V
ISP_TXD
ISP_RXD
C1005
220pF
50V
JK1002
KCN-DS-1-0088
1
2
3
4
5
6
7
8
9
10
R1006
100
C1008
0.1uF
50V
+3.3V_ST
C1009
0.1uF
50V
C1010
0.1uF
50V
R1002
4.7K
C1006
220pF
50V
R1009
0
R1004
4.7K
IC1000
MAX3232CDR
3
C
1
-
2
V
+
4
C
2
+
1
C
1
+
6
V
-
5
C
2
-
7
D
O
U
T
2
8
R
I
N
2
9
R
O
U
T
2
1
0
D
I
N
2
1
1
D
I
N
1
1
2
R
O
U
T
1
1
3
R
I
N
1
1
4
D
O
U
T
1
1
5
G
N
D
1
6
V
C
C
C1011
0.1uF
50V
R1008
100
DBG_TX
+3.3V_ST
DBG_RX
C1007
0.1uF
50V
+5V_VGA +5V_ST
D1012
ENKMC2838-T112
A1
C
A2
C1018
18pF
50V
C1021
18pF
50V
R1000
0
R1003
10
R1016 10K
R1019
1K
R1023
100
R1032
0
R1033
0
R400
0
R402
0
READY
RXE3+
DISPLAY_EN
P401
SMW200-26C
HD
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
25
26
RXE4-
RXE3-
RXE4+
RXO0+
RXOCK+
RXECK-
RXO1-
R406
0
RXO3+
RXO0-
RXE0-
RXO2+
RXE1+
RXO3-
SCL1
RXO2-
RXE0+
R404
27K
READY
PC_SER_CLK
SDA1
RXECK+
PC_SER_DATA
RXO1+
RXE2+
RXOCK-
RXE1-
R401
100
R407
100
RXE2-
RXO4+
RXO4-
P400
SMW200-40C
READY
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
R408
10K
R409
10K
KEY2
+5V_ST
KEY1
+3.3V_ST
LED_W1
IR
LED_R_SUB
C403
680pF
L400
MLB-201209-0120P-N2
L403
MLB-201209-0120P-N2
L405
MLB-201209-0120P-N2
L404
MLB-201209-0120P-N2
L402
MLB-201209-0120P-N2
L401
MLB-201209-0120P-N2
C400
10uF
6.3V
DISPLAY_EN
R412
27K
READY
R403
100
HD
R405
100
READY
D1001
D1000
D
1
0
0
8
D1003
D1002
D1009
30V
READY
D1004
D1007
D1005
30V
ADUC30S03010L_AMODIODE 
READY
D1006
30V
ADUC30S03010L_AMODIODE 
READY
LED_W2
L406
MLB-201209-0120P-N2
L407
MLB-201209-0120P-N2
P_KEY
R1035
22
R1034
22
L408
MLB-201209-0120P-N2
C1025
10uF
6.3V
+5V_GENERAL
MOD_ROM_TX
MOD_ROM_RX
C402
10pF
C406
10pF
C401
10pF
C407
10pF
C405
10pF
C404
10pF
C408
10pF
C410
10pF
IC1002
PCA9517DGKR
I2C BUS REPEATER
3
SDAA
2
SCLA
4
GND
1
VCCA
5
EN
6
SDAB
7
SCLB
8
VCCB
+3.3V_ST
+3.3V_ST
R1037
22
I2C BUS REPEATER
R1036
22
I2C BUS REPEATER
EX_SCL
R1039
22
I2C BUS REPEATER
R1038
22
I2C BUS REPEATER
EYE_SDA
EYE_SCL
EX_SDA
EX_SDA
EX_SCL
EYE_SDA
EYE_SCL
P402
12507WS-15L 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
C1023
10pF
C1024
10pF
D1013
Q1001
2SC3052
E
B
C
DISP_EN
DISPLAY_EN
+5V_GENERAL
RXECK-
RXO3-
R436
0
FFC_WAFER
SDA1
RXE2+
RXOCK-
RXE0-
RXO4+
RXOCK+
MOD_ROM_TX
RXE4+
RXO4-
DISPLAY_EN
PC_SER_DATA
RXO1-
R435
0
FFC_WAFER
RXE1-
R434
0
FFC_WAFER
RXO3+
R433
0
FFC_WAFER
RXO2-
R432
0
FFC_WAFER
RXE1+
R431
0
FFC_WAFER
R430
0
FFC_WAFER
RXE3-
R429
0
FFC_WAFER
RXE3+
R428
0
FFC_WAFER
R427
0
FFC_WAFER
RXO2+
R442
27K
READY
R426
0
FFC_WAFER
R425
0
FFC_WAFER
RXE4-
R440
0
FFC_WAFER
RXO0-
R423
0
FFC_WAFER
RXE0+
R422
0
FFC_WAFER
R421
0
FFC_WAFER
R420
0
FFC_WAFER
RXO0+
R419
0
FFC_WAFER
RXO1+
PC_SER_CLK
R418
0
FFC_WAFER
R417
0
FFC_WAFER
R416
0
FFC_WAFER
RXE2-
SCL1
R415
0
FFC_WAFER
R414
0
FFC_WAFER
RXECK+
R413
0
FFC_WAFER
R437
0
FFC_WAFER
MOD_ROM_RX
R424
0
FFC_WAFER
R438
100
FFC_WAFER
R439
100
FFC_WAFER
R441
100 FFC_WAFER
R1040
0
R1043
10K
R1041
27K
R1042
10K
P403
TF05-51S
FFC_WAFER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
C1029
10pF
READY
C1028
10pF
READY
C1027
10pF
READY
C1026
10pF
READY
C1030
10pF
READY
R1029
4.7K
R1024
4.7K
RGB,RS232,LVDS
8
9
ROM DOWNLOAD FOR PDP
RS232C
PC AUDIO
$0.179
LVDS
SUB Board I/F
LVDS FFC WAFER
MSD3369GV NZ Platfrom
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.
C1103
50V
READY
6.8pF
TUNER_SIF
+1.8V_TU
C1109
0.1uF
+1.8V_TU_CE
C
1
1
1
5
1
0
0
0
p
F
C
1
1
1
6
0
.
1
u
F
+5V_TU
C1119
0.1uF
C1120
56pF
C1121
0.1uF
C
1
1
2
4
0
.
1
u
F
C1126
39pF
R1112
680
+1.8V_TU
+3.3V_TU
TU_RESET
+3.3V_TU
XC5000_RESET
C1130
0.1uF
16V
C1134 1000pF
IF_AGC
C1136
0.1uF
16V
+3.3V_TU_CE
R1127
10
C1141
0.1uF
16V
C1142
0.1uF
16V
+1.8V_TU
C1143
0.1uF
16V
C1144
0.1uF
16V
+3.3V_TU
C1146
120pF
C1147
0.1uF
16V
C
1
1
4
8
0
.
1
u
F
C1149
0.1uF
16V
TU_RESET
R1135
680
+1.8V_TU
C
1
1
5
6
0
.
1
u
F
+3.3V_TU
C1158
0.1uF
C1159
0.1uF
R1142
10
READY
SCL1
+3.3V_TU
/FE_RESET
C1164
0.1uF
16V
C1165
0.1uF
C1167
0.1uF
SDA1
+3.3V_TU
R1150
100
C1171
0.1uF
C1174
0.1uF
16V
C1176
0.1uF
16V
+1.8V_TU
R1152
4.99K
1%
+5V_TU
TUNER_CVBS
C
1
1
8
2
0
.
1
u
F
R1155
100
L1112
MLB-201209-0120P-N2
L1113
MLB-201209-0120P-N2
L1101
MLB-201209-0120P-N2
R1161
0
R1156
0
C1184
0.1uF
16V
R1157
390
R1158
0
+5V_TU
TUNER_IF_P
R1159
390
+5V_TU
R1160
0
TUNER_IF_N
C1183
0.1uF
16V
IC1104
XC5000
1
VDDA_1
2
IN1
3
GND_1
4
IN2
5
GND_2
6
EXTCHOKE
7
GND_3
8
VDDA_2
9
VDDA_3
10
VDDC_1
11
GND_4
12
VDDC_2
13
VDDC_3
14
VDDA_4
15
VAGC
16
VIF
17
VDDA_5
18
SIF
19
GND_5
20
VDDC_4
21
VDDA_6
22
GND_6
23
VDDD_1
24
TESTMODE
25
DDI1
26
VDDC_5
27
DDI2
28
ADDRSEL
29
X2
30
GND_7
31
X1
32
EXTREF
33
VDDD_2
34
SCL
35
SDA
36
GND_8
37
RESET
38
VI2C
39
VDDC_6
40
VREF_N
41
VREF_P
42
VDDC_7
43
VDDC_8
44
REXT
45
VDDA_7
46
GND_9
47
VDDC_9
48
VDDA_8
C
1
1
2
9
0
.
1
u
F
C1133
0.1uF
16V
C
1
1
1
7
0
.
1
u
F
R1130
1K
C
1
1
6
3
0
.
1
u
F
C1151
0.1uF
C
1
1
1
8
0
.
1
u
F
C
1
1
6
9
0
.
1
u
F
C1168
0.1uF
16V
C1132
0.1uF
16V
C1112
0.1uF
16V
C1114
0.1uF
16V
R1101
390
R1122
390
C1106
0.1uF
16V
L1108
0603CS-R27XGLW
270nH
2%
L1116
0603CS-R39XGLW
390nH
2%
L1114
1008CS-821XGLC
2%
820nH
D1102
RCLAMP1521P
READY
Q1102
ISA1530AC1
E
B
C
Q1103
ISA1530AC1
E
B
C
Q1108
ISA1530AC1
E
B
C
Q1109
ISA1530AC1
E
B
C
X1102
31.875MHz
L1111
0603CS-6N8XGLW
6.8nH
2%
L1105
MLF1608A2R7J
2.7uH
5%
L1110
MLF1608A2R7J
2.7uH
5%
D1101
RCLAMP0502B
C1
A
C2
JK1101
KCN-ET-0-0094
1
2
L1118
C1180
330uF
4V
+3.3V_TU
C1185
0.1uF
16V
C1186
0.1uF
16V
C1187
0.1uF
16V
C1105
10uF
6.3V
C1152
18pF
50V
C1131
18pF
50V
IF_AGC
R1100
33
+1.8V_TU_CE
C1100
0.1uF
50V
X1100
20.48MHz
TU_SLEEP_MODE
C1101
0.1uF
16V
R1102
10K
C1102
0.1uF
16V
R
1
1
0
3
0
R1104
33
C
1
1
0
7
2
2
p
F
READY
+3.3V_TU_CE
R1106
33
+3.3V_TU_CE
R1107
47K
READY
FE_TS_SYN
R1109
10K
READY
C
1
1
1
0
2
2
p
F
READY
FE_TS_VAL
+1.8V_TU_CE
R1110
100K
READY
R1111
0
C1111
27pF
50V
+3.3V_TU_CE
R1115
1K
+1.8V_TU_CE
C1113
1nF
50V
/FE_RESET
C1122
27pF
50V
FE_TS_CLK
R1117
33
+3.3V_TU_CE
R1118
22K
+3.3V_TU_CE
+3.3V_TU_CE
FE_TS_SERIAL
R1120
4.7K
READY
IC1100
CE6355
1
VSS_1
2
VDD_1
3
VSS_2
4
CLK1
5
DATA1
6
IRQ
7
CVDD_1
8
VSS_3
9
RESET
10
SLEEP
11
STATUS
12
SADD4
13
VDD_2
14
VSS_4
15
SADD3
16
SADD2
17
SADD1
18
SADD0
19
CVDD_2
20
VSS_5
21
PLLVDD
22
PLLGND
23
XTI
24
XTO
25
VSS_6
26
PLLTEST
27
OSCMODE
28
AVDD
29
AGND_1
30
VIN
31
VIN
32
AGND_2
33
VDD_3
34
RFLEV
35
CLK2/GPP0
36
DATA2/GPP1
37
CVDD_3
38
VSS_7
39
CVDD_4
40
VSS_8
41
AGC2/GPP2
42
AGC1
43
GPP3
44
SMTEST
45
VDD_4
46
VSS_9
47
MOSTRT
48
MOVAL
49
MDO0
50
MDO1
51
MDO2
52
MDO3
53
MDO4
54
VDD_5
55
VSS_10
56
MDO5
57
MDO6
58
MDO7
59
CVDD_5
60
VSS_11
61
MOCLK
62
BKERR
63
MICLK
64
CVDD_6
TUNER_IF_P
TUNER_IF_N
R1121
10K
R1123
33
+1.8V_TU_CE
C1123
0.1uF
16V
READY
SCL1
R1124
10K
SDA1
R1126
0
C1125
0.1uF
16V
C1128
0.1uF
16V
C1137
0.1uF
16V
C1138
0.1uF
16V
C1135
10uF
6.3V
C1139
10uF
6.3V
C1140
0.1uF
16V
C1145
0.1uF
16V
LD1100
SAM2333
READY
A
2
[
G
N
]
C
A
1
[
R
D
]
R1108
4.7K
C1127 0.1uF
16V
C1108
18pF
C1173
18pF
C1104
50V
6.8pF
C1161
50V
6.8pF
R1153
1K
R1138
1K
TUNER
9
9
: ACTIVE LOW (SOFT RESET)
Place the Buffer close to Tuner
(TUNER RESET GPIO OPTION)
TUNER RESET
MSD3369GV NZ Platfrom
ACTIVE HIGH
08.10.06 CHANGE LOAD CAP 22pF -> 27pF
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