DOWNLOAD LG 50PK750-ZA / 50PK750N-ZA (CHASSIS:PD01A) Service Manual ↓ Size: 16 MB | Pages: 35 in PDF or view online for FREE

Model
50PK750-ZA 50PK750N-ZA (CHASSIS:PD01A)
Pages
35
Size
16 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pk750-za-50pk750n-za-chassis-pd01a.pdf
Date
PREV: LG 50PK750-UF (CHASSIS:PU02A) Service Manual

LG 50PK750-ZA / 50PK750N-ZA (CHASSIS:PD01A) 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.
DDC_SCL/UART_RX
C1002
220pF
50V
READY
DSUB_DET
GND
12pF
C1016
DDC_SCL/UART_RX
DSUB_G
DSUB_B
C1022
0.1uF
DSUB_R
DSUB_VSYNC
PC_SER_DATA
DDC_SDA/UART_TX
4.7pF
C1012
C1000
270pF
50V
READY
DDC_SDA/UART_TX
12pF
C1017
C1003
270pF
50V
READY
IC1001
AT24C02BN-10SU-1.8
NON_20TOOL
3
2
4
1
5
6
7
8
R1001
10
4.7pF
C1015
C1004
220pF
50V
READY
4.7pF
C1014
PC_SER_CLK
+3.3V_AVDD
DSUB_HSYNC
+5V_VGA
ISP_TXD
ISP_RXD
C1005
220pF
50V
C1008
0.1uF
50V
+3.3V_ST
C1009
0.1uF
50V
C1010
0.1uF
50V
C1006
220pF
50V
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
DBG_TX
+3.3V_ST
DBG_RX
C1007
0.1uF
50V
PC_LIN
R1022
470K
R1021
470K
PC_RIN
+5V_VGA +5V_ST
D1012
ENKMC2838-T112
A1
C
A2
C1018
18pF
50V
C1021
18pF
50V
R1003
10
DISP_EN
RXO0+
RXOCK+
RXO1-
RXO3+
RXO0-
RXO2+
RXO3-
PDP_SCL
RXO2-
PC_SER_CLK
PDP_SDA
PC_SER_DATA
RXO1+
RXOCK-
RXO4+
RXO4-
KEY2
+3.3V_ST
KEY1
+3.3V_ST
LED_B
IR
LED_R
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
D1011
5.6V
D1010
5.6V
D1001
D1000
D
1
0
0
8
D1003
D1002
D1009
30V
READY
D1004
D1007
D1005
READY
D1006
READY
L408
NORMAL
C1025
10uF
6.3V
+3.3V
MOD_ROM_TX
MOD_ROM_RX
C402
10pF
C406
10pF
C401
10pF
C407
10pF
C405
10pF
C404
10pF
C408
10pF
SUB_SDA
SUB_SCL
RXECK-
RXO3-
PDP_SDA
RXE2+
RXOCK-
RXE0-
RXO4+
RXOCK+
MOD_ROM_TX
RXE4+
RXO4-
DISP_EN
PC_SER_DATA
RXO1-
RXE1-
RXO3+
RXO2-
RXE1+
RXE3-
RXE3+
RXO2+
RXE4-
RXO0-
RXE0+
RXO0+
RXO1+
PC_SER_CLK
RXE2-
PDP_SCL
RXECK+
MOD_ROM_RX
P403
TF05-51S
@optio
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
+3.3V_ST
JK1002
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
JK1001
SPG09-DB-010
NON_20TOOL
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
R1032
0
R1033
0
R402
0
READY
R1015
22
R1035
22
R1034
22
R1017
22
R1018
22
75
R1005
75
R1010
75
R1007
R403
100
HD
R1006
100
R1023
100
R1008
100
R1028
10K
R408
10K
R1026
10K
R409
10K
R1016 10K
R1025
12K
R1027
12K
1K
R1014
1K
R1013
R1019
1K
R442
27K
READY
R404
27K
READY
R1024
4.7K
R1029
4.7K
4.7K
R1011
R1002
4.7K
R443
4.7K
READY
4.7K
R1012
R1004
4.7K
R445
4.7K
READY
C1013
0.1uF
16V
C1001
0.1uF
16V
C1020
100pF
50V
C1019
100pF
50V
P402
12507WS-12L
1
2
3
4
5
6
7
8
9
10
11
12
13
JK1000
PEJ027-01
NON_20TOOL
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
P401
SMAW200-H26S1
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
BU400
PKM13EPY-4002-B0
BUZZER
1
2
Q1001
2SC3052
BUZZER
E
B
C
D1013
100V
1N4148W_DIODES 
BUZZER
+3.3V
R1036
22
BUZZER
KEY_BUZZER
R1037
10
20TOOL
R1038
10
20TOOL
PC_SER_DATA
PC_SER_CLK
D1015
20TOOL
D1014
20TOOL
SUB_SDA
SUB_SCL
R1039
0
R1040
0
C1031
10pF
50V
READY
C1030
10pF
50V
READY
+5V
L406
GLASS
RGB,RS232,LVDS
9
10
MSD3368EV Platform
ROM DOWNLOAD FOR PDP
RS232C
PC AUDIO
$0.179
LVDS
SUB Board I/F
LVDS FFC WAFER
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.
FE_TS_DATA[5]
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[7]
FE_TS_DATA[6]
FE_TS_DATA[4]
FE_TS_DATA[3]
GND
+3.3V_TU
FE_TS_VAL_ERR
IC1100
NL17SZ08DFT2G
3
GND
2
IN_A
4
OUT_Y
1
IN_B
5
VCC
FE_TS_ERR
FE_TS_VAL
CVBS_SCART_OUT
C_+3.3V
R1102
47
SDA1
C1102
0.1uF
16V
C1103
50V
READY
6.8pF
TUNER_SIF
C1107
0.1uF
50V
+1.8V_TU
C1109
0.1uF
A_1.2V
C1113
18pF
50V
READY
D_3.3V
+3.3V_TU
2SC3052
Q1107
C
1
1
1
5
1
0
0
0
p
F
C
1
1
1
6
0
.
1
u
F
+5V
/FE_RESET
C1119
0.1uF
C1120
56pF
C1121
0.1uF
P_17V
C1122
100uF
16V
R1107
6.8K
R1108
100
R1109
47
C
1
1
2
4
0
.
1
u
F
D_3.3V
R1111
47
C1126
39pF
R1112
680
+1.8V_TU
+3.3V_TU
TU_RESET
+3.3V_TU
XC5000_RESET
R1114
100
R1115
47
C1134 1000pF
R1116
4.7K
READY
IF_AGC
+3.3V_TU
A_3.3V
R1121
47
CVBS_SCART_OUT
FE_TS_CLK
A_1.2V
FE_TS_DATA[0-7]
FE_TS_SERIAL
FE_TS_ERR
R1126
47
R1127
10
C1139
0.1uF
C1140
0.1uF
C_+3.3V
C1141
0.1uF
16V
IC1102
AZ1117H-1.2TRE1 
ADJ/GND
OUT
IN
FE_VOUT
+1.8V_TU
Q1104
1
2
3
R1129
47
+3.3V_TU
Q1105
2SC3052
E
B
C
FE_TS_VAL
R1132
47
C1146
120pF
C1147
0.1uF
16V
C
1
1
4
8
0
.
1
u
F
TU_RESET
C1150
0.1uF
50V
R1135
680
R1136
100
+1.8V_TU
SC1_VIDEO_MUTE
C
1
1
5
6
0
.
1
u
F
+3.3V_TU
C1158
0.1uF
C1159
0.1uF
R1140
47
C_+3.3V
R1142
10
READY
+1.2V
R1143
47
SCL1
+3.3V_TU
R1144
47
/FE_RESET
X1101
20.25MHz
C1160
1000pF
50V
+3.3V_TU
C1164
0.1uF
16V
C1165
0.1uF
R1148
47
SCL1
C_+3.3V
FE_TS_SYN
+1.2V
A_3.3V
C1167
0.1uF
SDA1
+3.3V_TU
C_+3.3V
TUNER_IF_P
C1170
47uF
16V
C1171
0.1uF
C1172
1000pF
50V
C1175
18pF
50V
READY
C1176
0.1uF
16V
IF_AGC
+1.2V
R1152
4.99K
1%
+5V
TUNER_IF_N
C1181
0.027uF
TUNER_CVBS
C
1
1
8
2
0
.
1
u
F
+5V
L1103
MLB-201209-0120P-N2
L1112
MLB-201209-0120P-N2
L1113
MLB-201209-0120P-N2
L1107
MLB-201209-0120P-N2
L1115
MLB-201209-0120P-N2
L1101
MLB-201209-0120P-N2
C1184
0.1uF
16V
R1157
390
+5V
TUNER_IF_P
R1159
390
+5V
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
R1101
390
R1122
390
R1118
390
L1108
0603CS-R27XGLW
270nH
2%
L1116
0603CS-R39XGLW
390nH
2%
L1114
1008CS-821XGLC
2%
820nH
D1102
RCLAMP1521P
READY
Q1101
ISA1530AC1
E
B
C
Q1102
ISA1530AC1
E
B
C
Q1103
ISA1530AC1
E
B
C
Q1106
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%
C1111
10uF
16V
READY
R1137
390
R1145
390
D1101
RCLAMP0502B
C1
A
C2
Q1110
2SC3052
READY
E
B
C
R1164
330
READY
R1163
330
READY
L1118
L1117
R1165
0
+3.3V_TU
C1188
100uF
16V
C1105
10uF
6.3V
C1152
18pF
50V
C1131
18pF
50V
IC1103
DRX3913K-XK
1
I2S_WS
2
VDDL_1
3
VSSL_1
4
GPIO1
5
MSTRT
6
MERR
7
VSSH_1
8
VDDH_1
9
MCLK
10
MVAL
11
MD0
12
MD1
13
MD2
14
MD3
15
VSSL_2
16
VDDL_2
17
VSSH_2
18
VDDH_2
19
MD4
20
MD5
21
MD6
22
MD7
23
I2C_SCL1
24
I2C_SDA1
25
VSSH_3
26
VDDH_3
27
VDDL_3
28
VSSL_3
29
VSYNC
30
GPIO2
31
SAW_SW
32
RSTN
33
RF_AGC
34
IF_AGC
35
VSSAL_AFE1
36
VDDAL_AFE1
37
VDDAH_AFE1
38
VSSAH_AFE1
39
INN
40
INP
41
VSSAH_CVBS
42
VDDAH_CVBS
43
CVBS
44
SIF
45
VSSAL_AFE2
46
VDDAL_AFE2
47
PDP
48
PDN
49
XI
50
XO
51
VSSAH_OSC
52
VDDAH_OSC
53
VDDH_4
54
VSSH_4
55
VSSL_4
56
VDDL_4
57
TDO
58
TMS
59
TCK
60
TDI
61
I2C_SDA2
62
I2C_SCL2
63
I2S_CL
64
I2S_DA
C1173
18pF
C1108
18pF
C1123
15pF
50V
C1162
15pF
50V
C1104
50V
6.8pF
C1161
50V
6.8pF
R1110
47
R1103
47
R1155
100
R1150
100
R1141
180
R1154
470
R1151
15K
R1153
1K
R1138
1K
R1131
2K
R1123
4.7K
R1128
4.7K
READY
R1139
4.7K
READY
C1151
0.1uF
C1166
0.1uF
16V
C1137
0.1uF
16V
C1144
0.1uF
16V
C1136
0.1uF
16V
C1130
0.1uF
16V
C1149
0.1uF
16V
C1143
0.1uF
16V
C1142
0.1uF
16V
C1132
0.1uF
16V
C1168
0.1uF
16V
C1185
0.1uF
16V
C1145
0.1uF
16V
C1179
0.1uF
16V
C1101
0.1uF
16V
C1187
0.1uF
16V
C1125
0.1uF
16V
C1110
0.1uF
16V
C1114
0.1uF
16V
C1112
0.1uF
16V
C1153
0.1uF
16V
C
1
1
6
3
0
.
1
u
F
C1106
0.1uF
16V
C1186
0.1uF
16V
C
1
1
6
9
0
.
1
u
F
C
1
1
1
8
0
.
1
u
F
C1177
0.1uF
16V
C1174
0.1uF
16V
R1133
47K
C1180
68uF
10V
READY
JK1101
KCN-ET-5-0094
TUNER_SHIELD
1
2
R1166
0
R1173
0
R1167
0
R1168
0
R1169
0
R1170
0
R1171
0
R1172
0
R1177
0
R1180
0
R1174
0
R1178
0
R1181
0
R1179
0
R1176
0
R1175
0
C1138
0.1uF
50V
C1157
0.1uF
50V
C1178
10uF
25V
R1184
0
R1182
0
R1185
0
R1183
0
DVB-CI DETECT
TUNER
10
10
MSD3368EV Platform
: ACTIVE LOW (SOFT RESET)
Place the Buffer close to Tuner
(SC1_TV_VOUT_MUTE GPIO OPTION)
(TUNER RESET GPIO OPTION)
[SCART1 TV VOUT]
TUNER RESET
To separate chassis ground
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