Hitachi SK-HD1300-S3 Service Manual page 115

B PB
1.4V(100%) 0.7V(50%)
0V(0%)
0V(0%) -0.7V(50%)
Y/G
TCM1210
1.4V(100%) G/Y
-0.6V
G/Y_GND
0V(0%)
-0.6V
6pin 20pin
VF_DET1 VF_DET2
VF-LxHD
OPEN(H) OPEN(H)
(LCD)
VF-HP840U
L(GND) OPEN(H)
(LCD)
VF-HD500
L(GND) +5V(H)
(CRT 5inch)
VF-402
L(GND) L(GND)
(CRT 2inch)
R PR
R/R-Y
1.4V(100%) 0.7V(50%)
0V(0%)
R/R-Y_GND
0V(0%) -0.7V(50%)
L1108
T1101 R1223 3.3U/NL2520
TCM1210 180/D3
B/B-Y
C1116
N.U/D3
B/B-Y_GND
R1233
N.U/D3
C1127
N.U/K3
R1232
N.U/D3
C1126
N.U/K3
L1109
T1102 R1222 3.3U/NL2520
180/D3
C1118
N.U/D3
R1230
N.U/D3
C1124
N.U/K3
Interface Termination
V_A+5V
R1229
N.U/D3
Serial 75 ohm
C1123
Parallel 75 ohm
N.U/K3
Parallel 75 ohm
2
VF_DET1
1
Parallel 1k ohm 3
VF_DET2
DAN202K
D1102
Q1101
DTC124EUA
L1110
T1103
R1224 3.3U/NL2520
TCM1210 180/D3
C1117
N.U/D3
R1228
N.U/D3
C1122
N.U/K3
R1231
N.U/D3
C1125
N.U/K3
AD8058AR
3
R1251
75/D6
1
IC1101:A CA_B/B-Y
2
R1243
1000/D3
C1131
N.U/J3
R1252
0/J6
CA_B/B-Y_GND
AD8058AR
5
R1253
75/D6
7
IC1101:B VF_B/B-Y
6
R1245
1000/D3
C1132
N.U/J3
R1257
0/J6
AD8058AR
3
R1248
75/D6
1
IC1102:A CA_G/Y
2
R1241
1000/D3
C1128
N.U/J3
R1249
0/J6
CA_G/Y_GND
AD8058AR
5
R1250
75/D6
7
IC1102:B
VF_G/Y
6
R1244
1000/D3
C1133
8P/D3
R1254
0/J6
VF_G/Y_GND
AD8058AR
3
R1255
75/D6
1
IC1103:A CA_R/R-Y
2
R1240
1000/D3
C1129
N.U/J3
R1256
0/J6
CA_R/R-Y_GND
AD8058AR
5
R1246
75/D6
7
IC1103:B VF_R/R-Y
6
R1242
1000/D3
C1130
N.U/J3
R1247
0/J6
13
14
SA_DATA_IN H
12
VF8PIN
EXT_LED L
11
IC1104:1
TC74HC4053AFT
1
15
SA_STRB1 H
2
VF11PIN
R_TALLY L
10
IC1104:2
TC74HC4053AFT
IC1104:3
TC74HC4053AFT
3
SA_STRB2 H
4
VF12PIN
5
G_TALLY L
9
13
14
SA_DATA_OUT H
12
VF13PIN
0.8EXT_OFF L
11
IC1105:1
TC74HC4053AFT
1
15
SA_SCLK H
2 VF15PIN
VF_PEAKING_SEL L
10
IC1105:2
TC74HC4053AFT
↓ p u l l - u p 済
VF_DET1 IC1105:3
TC74HC4053AFT
OPEN:LCD
3
GND:CRT
4
5
9
V_A+5V
6
16 16
C1134 C1136
INH
0.1U/Z2 0.1U/Z2
VCC VCC
GND
VEE VEE
C1135 C1137
8
0.1U/Z2 0.1U/Z2
7
V_A-5V
V_A.GND
V_A+5V
V+ V+
V+
V- V-
V-
V_A-5V
A.GND
SK-HD1300-S3
MB-SK1080P (PT-X3044B) (2/2)
SCHEMATIC DIAGRAM
6
INH
GND
8
7
R1258
N.U/J6
V_A.GND
6-71