LG 42PN4500 Service Manual page 16

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