Samsung Electronics - Samsung PS42P3SX Service Manual

Schematic Diagrams
4-2 Toshiba COMB
1 2 3
+5V_R
R1903
10K
A
R101
C101 C102 22K
10nF 10uF R100
16V 4.7K
R373
R102
4.7K
22K
IC101
PCF8591T
1 16
R103 0
VIDEO_DET P
A
SCT-RCA_ID R105 33K 2 15
O
B
SCT2-RCA2_ID R106 33K 3 14
N
C
92H
R110 1K 4 13
M
AFT D
5 12
L
E
B 6 11
K
F
100
7 10
G J
100
8 9
H I
unplace
+9V_R
C
C104
C105
47uF
100nF
16V
IC102
TEA6425D
C106 10uF 1 20
VIDEO_CVBS
A T
SDA1_5V R107 100 2 19
B S
C107 4.7uF 3 18
SCT2_CVBS C R
SCL1_5V
R113 100 4 17
D Q
D C109 4.7uF 5 96H 16
SCT_CVBS_Y
E P
6 15
F O
7 14
G N
C110 4.7uF 8 13
RF_CVBS2 H M
9 12
I L
C111 4.7uF 10 11
RF_CVBS1 J K
+9V_R
E
C114
C115
47uF
100nF
16V
IC103
TEA6425D
CVBS_SUB C116 10uF 1 20
A T
R127
100 2 19
SDA1_5V B S
3 18
C R
SCL1_5V R129
100 4 17
D Q
F
90H
5 16
SCT_CVBS_Y C118 4.7uF
E P
C120 100nF 6 15
SCT_R-PR_IN2
F O
7 14
G N
C124 10uF 13
S_VHS_Y 8 H M
9 12
I L
10 11
S_VHS_C C126 100nF
J K
G
+5V_R
R153
22K
Q108
R154
KSC1623-G
10uF C133 C
100
B
CVBS_OUT
E
SCT_CVBS_OUT
H
R161
22K R162
470
1 2 3
4-2
4 5
VIDEO_DET
TP84
FT120
JA103 LFA30-2A1E473MT
1
jack3p_4
TP83
5
2 1 C123 10uF
3 1 2
A B
C
3
TP82
R138
1 75
R115
SCL1_5V
R118
SDA1_5V
R151
C131 10uF
100
SCT_B-PB_IN
R155
R157
75
22K
R169
C137 10uF 100
TP01 SCT_G-Y_IN
R175
R178
75
22K
CVBS_MAIN
CVBS_SUB
+5V_R
CVBS_OUT
CVBS_OUT2
R189
R122
R123
4.7K 22K
4.7K
R191
C145 10uF 100
SCT_R-PR_IN
R124 R125 B
4.7K 4.7K
R193
R195
75
22K
TP02
TP03
Y_MAIN
SCT_R_C-PR
(&C_MAIN)
CVBS-Y_SUB
C_SUB
R142
4.7K
R143 R144 R141
4.7K 4.7K 4.7K
+5V_R
R173
22K
R177
10uF C140 C
100
B Q109
CVBS_OUT2
KSC1623-G
E
SCT2_CVBS_OUT
R182
22K R183
470
4 5
6 7 8
+5V_R
R132
22K
R134
C
100
Q110
B
KSC1623-G
E
VIDEO_CVBS
R139
22K R140
470
+5V_R +5V_R
R149 R150
22K 22K
Q101
R152
KSC1623-G
C C132 10uF C
100
Q103
B SCT2_B-PB2_IN B
KSC1623-G
E E
SCT_B-PB SCT2_B-PB2
R156
R158
75
R159 22K R160
470 470
+5V_R +5V_R
R166 R167
22K 22K
Q104
R170
KSC1623-G
C C138 10uF 100 C
Q105
B SCT2_G-Y2_IN B
KSC1623-G
E E
SCT_G-Y SCT2_G-Y2
R176
R179
75
R180 22K R181
470 470
+5V_R
R190
22K
Q106
R192
KSC1623-G
C C146 10uF 100 C
SCT2_R-PR2_IN Q107
B
KSC1623-G
E E
SCT_R-PR_IN2 SCT2_R-PR2
R194
R196
75
R197 22K R198
470 470
FT206
LFA30-2A1E473MT
SCT2_G-Y2 1
A B 2
C
3
FT208
LFA30-2A1E473MT
SCT2_R-PR2 1 tjunctions
A B 2
C
3
FT211
LFA30-2A1E473MT
SCT2_BL_IN 1 A 2
B
C
3
FT214
LFA30-2A1E473MT
S_VHS_Y 1 A B 2
C
3
FT217
LFA30-2A1E473MT
S_VHS_C 1
A B 2
C
3
FT220
LFA30-2A1E473MT
PC_SL
1 A B 2
C
3
FT223
LFA30-2A1E473MT
PC_SR
1 A 2
B
C
3
6 7 8
9 10 11
+D12V
FT200
LFA30-2A1E473MT
AUDIO_RESET
SCL1_5V 1 A 2
B
C
3
FT201
LFA30-2A1E473MT
SDA1_5V 1 A 2
B
C
3
FT202
LFA30-2A1E473MT
HPDL 1 A B 2
C
3
FT203
LFA30-2A1E473MT
HPDR 1 A B 2
C
3
FT204
LFA30-2A1E473MT
MUTE 1 A B 2
C
3
FT207
LFA30-2A1E473MT
S-VHS_SL
1 A B 2
C
3
FT209
LFA30-2A1E473MT
S-VHS_SR
1 A 2
B
C
3
FT212
LFA30-2A1E473MT
C_SUB 1 A B 2
C
3
FT215
LFA30-2A1E473MT
CVBS-Y_SUB
1 A B 2
C
3
FT218
LFA30-2A1E473MT
1 A B 2
C
3
FT221
LFA30-2A1E473MT
Y_MAIN 1 A 2
B
C
3
FT205
LFA30-2A1E473MT
CVBS_MAIN 1 A B 2
C
3
CN204 TP73
FT210
slcon12p
1 LFA30-2A1E473MT
1
SCT_B-PB 1
A B 2
2
TP74 C
3
1
3
FT213
TP75
4
LFA30-2A1E473MT
1
5 SCT_G-Y 1 A 2
B
C
6 TP76 3
7 1
FT216
8 TP77 LFA30-2A1E473MT
SCT_R_C-PR 1 A B 2
1
9 C
3
10 TP78
11 1 FT219
TP81
LFA30-2A1E473MT
12 1 SCT_BL_IN 1
A B 2
C
3
TP79 TP80
1 1 FT222
LFA30-2A1E473MT
SCT2_B-PB2
1 A B 2
C
3
ED DATE
P_A0 May 20th,2002 PV JUL 22th,2002
Model :
Alexander_PAL
D E
N
W
SEC SEC
Sheet Title :
G G
3_A2__Toshiba COMB
REF.NO CODE.NO
SEC
9 1 10 1
TP01
12
A
TP47 TP48
CN201
slcon12p
1 1 1
2
3 TP49
1
4
TP02
5
TP50 TP51
6
1 1
7
8
9 TP52
1 B
10
11 TP53
1
12
TP54 TP55
1 1
TP03
C
CN202 TP56 TP57
slcon12p
1 1
1
2
3 TP58
1
4
5 TP59
1
6
D
7 TP60
1
8
9
TP61
10 1
11 TP62
1
12
TP63 TP64
1 1
E
CN203 TP65
slcon12p
1
1
2
3
TP66
F
1
4
5 TP67
1
6
7 TP68
8 1
9 TP69
1
10
11 TP70
12 1
G
TP71 TP72
1 1
H
SHEET.NO
3/12
12

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