Read LG 42PA4500-UM / 42PA450C-UM (CHASSIS:PU23A) 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]
+5V
R106
75
75
PCM_5V_CTL
C113
10uF
10uF
16V
EU
CI_ADDR[14]
R149
15K
15K
EU
AR109
33
EU
PCM_A[5]
R137
2K
EU
+3.3V_CI
CI_ADDR[3]
Q104
MMBT3904(NXP)
EU
E
B
C
R101
33
EU
CI_IORD
/PCM_IOWR
C109
27pF
27pF
50V
EU
R110
0
READY
/PCM_IRQA
MMBT3904(NXP)
Q102
EU
PCM_A[13]
/PCM_CE
CI_IOWR
R108
75
75
L100
EU
120-ohm
R117
75
EU
SC1_R+/COMP1_Pr+
Q100
MMBT3904(NXP)
EU
E
B
C
PCM_A[2]
DTV/MNT_VOUT
CI_WE
R198
10K
READY
CI_OE
/PCM_REG
+3.3V_ST
AR102
33
EU
EU
R115
470K
EU
SCART1_Lout
R109
10K
EU
R112
0
READY
CI_ADDR[1]
PCM_A[11]
CI_ADDR[2]
SC_RE2
R150
10K
EU
AR100
33
EU
/PCM_WE
SC1_B+/COMP1_Pb+
SC1_FB
CI_ADDR[6]
/PCM_WAIT
C114
27pF
27pF
50V
EU
R124
10K
EU
R157
1K
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
Q105
MMBT3904(NXP)
EU
E
B
C
CI_WE
AV/SC1_CVBS_IN
CI_ADDR[5]
CI_ADDR[0-14]
R113
75
EU
CI_TS_DATA[3]
R147
10K
10K
EU
R152
6.8K
6.8K
EU
BUF1_FE_TS_VAL_ERR
R153
5.6K
EU
Q114-*1
AO3407A
MULTI
G
D
S
R130
33 EU
1/16W
5%
5%
BUF2_FE_TS_DATA[0-7]
MMBT3904(NXP)
Q101
EU
CI_TS_DATA[5]
R120
2.7K
EU
R136
330
EU
CI_DET
CI_ADDR[12]
CI_IORD
SC1_G+/COMP1_Y+
R145
6.8K
EU
PCM_A[10]
R160
12K
EU
BUF2_FE_TS_CLK
R123
33
EU
CI_TS_DATA[7]
PCM_A[12]
R100
33
EU
AV/SC1_L_IN
P_17V
REG
PCM_A[9]
PCM_RST
C108
5600pF
50V
EU
R156
7.5K
EU
C137
0.1uF
16V
EU
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
BUF2_FE_TS_VAL_ERR
BUF2_FE_TS_SYN
BUF2_FE_TS_SYN
+5V
CI_IOWR
R155
3K
EU
R148
15K
15K
EU
R134
100
1/4W
100
1/4W
EU
R132
100
EU
EU
R143
180
180
EU
CI_ADDR[7]
PCM_A[6]
PCM_D[0-7]
R111
10K
EU
CI_TS_DATA[1]
/PCM_OE
R131
33 EU
CI_TS_DATA[0]
PCM_A[8]
AR103
33
EU
C115
27pF
27pF
50V
EU
CI_ADDR[11]
C105
0.1uF
16V
EU
R144
470
EU
R121
10K
10K
EU
AV/SC1_R_IN
BUF1_FE_TS_SYN
R141
220
EU
BUF2_FE_TS_VAL_ERR
+3.3V_CI
CI_TS_VAL
/CI_CD1
AR104
33
EU
R159
12K
EU
L103
EU
120-ohm
BUF2_FE_TS_DATA[0-7]
AR108
33
EU
C136
0.1uF
16V
READY
Q113
MMBT3904(NXP)
EU
E
B
C
+3.3V
R135
0
EU
IC101
AZ4580MTR-E1
3
IN1+
2
IN1-
4
VEE
1
OUT1
5
IN2+
6
IN2-
7
OUT2
8
VCC
Q107
MMBT3904(NXP)
EU
E
B
C
R102
100
EU
/CI_CD2
L101
EU
120-ohm
CI_TS_DATA[2]
AV/SC1_DET
SCART1_Rout
R184
10K
READY
R181
10K
EU
R187
10K
EU
1
/
1
6
W
5
%
R104
10K
EU
/PCM_IORD
CI_ADDR[13]
SC1_ID
C107
5600pF
50V
EU
AR101
33
EU
EU
C116
10uF
16V
EU
CI_TS_SYNC
CI_ADDR[8]
C104
0.1uF
16V
EU
R118
470K
470K
EU
1
/
1
6
W
5
%
SC1_SOG_IN
JK100
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
P_17V
R114
10K
10K
EU
R139
2K
EU
SC_RE1
+3.3V_CI
CI_TS_DATA[4]
C112
10uF
10uF
16V
EU
R158
1K
EU
Q106
MMBT3904(NXP)
EU
E
B
C
R165
10K
EU
0
R129
EU
PCM_A[4]
R103
100
EU
R127
12K
12K
EU
BUF2_FE_TS_CLK
+3.3V
R116
470K
EU
R107
75
75
PCM_A[0]
BUF1_FE_TS_DATA[0-7]
+5V
AR106
33
EU
CI_ADDR[9]
R126
12K
12K
EU
PCM_A[7]
C131
0.1uF
16V
READY
PCM_A[14]
REG
R146
18K
18K
EU
C100
22uF
10V
EU
CI_TS_DATA[6]
R189
10K
10K
EU
R151
10K
EU
CI_OE
SCART1_MUTE
R140
2K
EU
C101
0.1uF
16V
EU
R154
5.6K
EU
R105
1K
EU
CI_ADDR[0]
+5V
BUF1_FE_TS_CLK
PCM_A[3]
R138
2K
EU
CI_TS_CLK
R119
75
EU
AR107
33
EU
CI_ADDR[4]
R128
0
READY
+5V_CI_ON
AR105
33
EU
PCM_A[1]
AR110
33
EU
+5V_CI_ON
CI_ADDR[10]
R133
10K
EU
C111
220pF
220pF
50V
EU
L103-*1
CB1608UA121T
DUP_DVB
L101-*1
CB1608UA121T
DUP_DVB
L100-*1
CB1608UA121T
DUP_DVB
Q104*-1
2SC3052
DUP_DVB
E
B
C
Q113*-1
2SC3052
DUP_DVB
E
B
C
Q107-*1
2SC3052
DUP_DVB
E
B
C
Q106-*1
2SC3052
DUP_DVB
E
B
C
Q102-*1
2SC3052
DUP_DVB
E
B
C
Q100-*1
2SC3052
DUP_DVB
E
B
C
Q101-*1
2SC3052
DUP_DVB
E
B
C
Q105-*1
2SC3052
DUP_DVB
E
B
C
Q114
ZXMP3F30FHTA
EU
G
D
S
Q103
MMBT3906(NXP)
MMBT3906(NXP)
EU
E
B
C
Q103-*1
ISA1530AC1
DUP_DVB
E
B
C
D112
MMBD6100
EU
A2
C
A1
D112-*1
KDS184
DUP_DVB
A2
C
A1
C106
0
EU
SCART,CI Slot
GP4_S7LR3
1
DTV_R_OUT
SC1_VOUT
REC_8
CI POWER ENABLE CONTROL
CI SLOT
Full SCART
3.3V_CI
2011-12-01
PDP GP4 S7LR3
EAX64696601
EAX64696601
7
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