Read LG 50PN4503-ZA / 50PN450B-ZA (CHASSIS:PD31A) Service Manual 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.
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.
CI_ADDR[7]
CI_ADDR[0]
CI_ADDR[9]
CI_ADDR[14]
CI_ADDR[1]
CI_ADDR[10]
CI_ADDR[4]
CI_ADDR[6]
BUF2_FE_TS_DATA[0-7]
CI_ADDR[12]
CI_ADDR[3]
CI_ADDR[8]
CI_ADDR[5]
CI_ADDR[13]
CI_ADDR[2]
CI_ADDR[11]
PCM_D[0-7]
PCM_D[3]
PCM_D[4]
PCM_D[5]
PCM_D[6]
PCM_D[7]
PCM_D[0]
PCM_D[1]
PCM_D[2]
BUF2_FE_TS_DATA[0]
BUF2_FE_TS_DATA[1]
BUF2_FE_TS_DATA[2]
BUF2_FE_TS_DATA[3]
BUF2_FE_TS_DATA[4]
BUF2_FE_TS_DATA[5]
BUF2_FE_TS_DATA[6]
BUF2_FE_TS_DATA[7]
BUF1_FE_TS_DATA[0-7]
BUF2_FE_TS_DATA[2]
BUF2_FE_TS_DATA[5]
BUF1_FE_TS_DATA[5]
BUF1_FE_TS_DATA[2]
BUF2_FE_TS_DATA[4]
BUF2_FE_TS_DATA[7]
BUF2_FE_TS_DATA[1]
BUF1_FE_TS_DATA[7]
BUF1_FE_TS_DATA[4]
BUF1_FE_TS_DATA[1]
BUF2_FE_TS_DATA[3]
BUF2_FE_TS_DATA[6]
BUF2_FE_TS_DATA[0]
BUF1_FE_TS_DATA[6]
BUF1_FE_TS_DATA[3]
BUF1_FE_TS_DATA[0]
AV/SC1_R_IN
R120
2.7K
EU
BUF2_FE_TS_DATA[0-7]
+3.3V_CI
BUF1_FE_TS_DATA[0-7]
R121
10K
10K
R151
10K
EU
C111
220pF
220pF
50V
EU
AR102
33
EU
EU
REG
/PCM_REG
SCART1_MUTE
L100
EU
120-ohm
CI_IOWR
R103
100
EU
R136
330
EU
Q104
MMBT3904(NXP)
EU
E
B
C
PCM_A[7]
PCM_A[6]
BUF2_FE_TS_SYN
SC1_ID
PCM_D[0-7]
P_17V
CI_TS_VAL
/PCM_CE
CI_OE
BUF2_FE_TS_DATA[0-7]
CI_TS_CLK
R106
75
75
R123
33
EU
CI_TS_DATA[5]
PCM_5V_CTL
BUF2_FE_TS_CLK
PCM_A[2]
PCM_A[10]
SCART1_Rout
R145
6.8K
EU
PCM_A[8]
CI_WE
SC1_G+/COMP1_Y+
R153
5.6K
EU
0
R129
EU
C107
5600pF
50V
EU
R118
470K
470K
EU
CI_IORD
+3.3V
SC1_R+/COMP1_Pr+
AR103
33
EU
R134
100
1/4W
100
1/4W
EU
R119
75
EU
R147
10K
10K
EU
/CI_CD1
R104
10K
R114
10K
10K
EU
CI_ADDR[13]
JK102
10067972-000LF
EU
G1
G2
57
21
52
16
10
47
41
5
36
59
23
45
54
18
49
43
13
7
38
2
25
56
20
51
15
9
46
40
4
35
58
22
53
17
11
48
42
12
6
37
1
24
55
19
50
44
14
8
39
3
26
60
27
61
28
62
29
63
30
64
31
32
33
34
65
66
67
68
69
C100
22uF
10V
EU
Q114
ZXMP3F30FHTA
EU
G
D
S
SC1_SOG_IN
/PCM_IOWR
R116
470K
R198
10K
READY
CI_IORD
R148
15K
15K
EU
AR105
33
EU
R117
75
EU
R149
15K
15K
EU
CI_ADDR[14]
CI_ADDR[0-14]
AR106
33
EU
SC1_B+/COMP1_Pb+
/PCM_IORD
R126
12K
12K
R132
100
EU
EU
C104
0.1uF
16V
EU
R138
2K
EU
R144
470
EU
C108
5600pF
50V
EU
+3.3V_ST
PCM_A[13]
+5V
PCM_A[1]
R107
75
75
CI_ADDR[6]
BUF1_FE_TS_CLK
/PCM_WAIT
AR109
33
EU
AR110
33
EU
R100
33
EU
CI_TS_DATA[6]
R143
180
180
EU
AV/SC1_L_IN
AV/SC1_CVBS_IN
/PCM_IRQA
+5V
CI_OE
PCM_A[12]
Q103
MMBT3906(NXP)
MMBT3906(NXP)
EU
E
B
C
R101
33
EU
AR108
33
EU
IC100
TC74LCX244FT
EU
3
2Y4
2
1A1
4
1A2
1
1OE
6
1A3
5
2Y3
7
2Y2
8
1A4
9
2Y1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
2OE
20
VCC
PCM_A[0]
CI_TS_DATA[7]
R111
10K
EU
CI_WE
R184
10K
READY
C137
0.1uF
16V
EU
C101
0.1uF
16V
EU
CI_TS_DATA[2]
AR104
33
EU
C114
27pF
27pF
50V
EU
R124
10K
CI_ADDR[3]
R110
0
READY
CI_TS_DATA[4]
L101
EU
120-ohm
R127
12K
12K
C109
27pF
27pF
50V
EU
R102
100
EU
IC101
AZ4580MTR-E1
3
IN1+
2
IN1-
4
VEE
1
OUT1
5
IN2+
6
IN2-
7
OUT2
8
VCC
R130
33 EU
Q100
MMBT3904(NXP)
EU
E
B
C
MMBT3904(NXP)
Q101
EU
BUF2_FE_TS_VAL_ERR
DTV/MNT_VOUT
JK100
PSC008-02
PSC008-02
EU
1
AUDIO_R_OUT
2
AUDIO_R_IN
3
AUDIO_L_OUT
4
AUDIO_GND
5
B_GND
6
AUDIO_L_IN
7
B_OUT
8
ID
9
G_GND
10
D2B_IN
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
23
SHIELD
22
AV_DET
R131
33 EU
MMBT3904(NXP)
Q102
EU
R165
10K
EU
CI_ADDR[8]
PCM_A[3]
BUF1_FE_TS_SYN
R112
0
READY
CI_DET
CI_TS_DATA[0]
CI_IOWR
SCART1_Lout
CI_TS_SYNC
R133
10K
EU
CI_ADDR[0]
R139
2K
EU
C115
27pF
27pF
50V
EU
R141
220
EU
PCM_A[5]
R105
1K
CI_ADDR[1]
R135
0
EU
CI_ADDR[2]
/PCM_WE
R108
75
75
PCM_A[11]
CI_TS_DATA[3]
BUF2_FE_TS_SYN
R181
10K
EU
C136
0.1uF
16V
READY
C131
0.1uF
16V
READY
CI_ADDR[12]
CI_ADDR[4]
PCM_A[4]
CI_ADDR[7]
BUF2_FE_TS_CLK
SC1_FB
BUF1_FE_TS_VAL_ERR
CI_ADDR[5]
AR100
33
EU
R154
5.6K
EU
BUF2_FE_TS_VAL_ERR
R115
470K
R113
75
EU
+5V_CI_ON
L103
EU
120-ohm
+5V
CI_ADDR[11]
AR107
33
EU
CI_ADDR[10]
PCM_A[9]
+3.3V_CI
R150
10K
EU
+3.3V
REG
/CI_CD2
R187
10K
EU
/PCM_OE
C105
0.1uF
16V
EU
R109
10K
EU
CI_TS_DATA[1]
+5V_CI_ON
PCM_A[14]
CI_ADDR[9]
PCM_RST
+5V
Q113
MMBT3904(NXP)
EU
E
B
C
R146
18K
18K
EU
R128
0
READY
+3.3V_CI
R152
6.8K
6.8K
EU
C102
100uF
16V
EU
R137
470
EU
R140
470
EU
R189
1K
1K
READY
R122
0
EU
R156
33
EU
R157
33
EU
C112
10uF
10uF
16V
EU
C113
10uF
10uF
16V
EU
C116
10uF
16V
EU
AV_L_IN
AV_R_IN
AV_DET
AV/SC1_DET
R155
100
EU
JP112
JP113
JP114
JP115
R125
4.7K
READY
+5V
C103
4.7uF
10V
READY
+5V
D100
20V
IC102
AP2151WG-7
READY
3
FLG
2
GND
4
EN
1
OUT
5
IN
SCART,CI Slot
L13
1
DTV_R_OUT
SC1_VOUT
CI POWER ENABLE CONTROL
<CI SLOT>
<Full SCART>
3.3V_CI
2012-09-20
PDP L13
EAX65071305
EAX65071305
7
JIG_GND
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