Hitachi VK-S454 Service Manual page 37

SWITCHING REGULATOR [CSR] SCHEMATIC DIAGRAM
E
5.0
17ms
5.0
VCO/PHASE COMPA.
TC7S08
5.0
FV PULSE GEN. 0 5.0
0
3.3 0 5.0 5.0
17ms
0 3.1
3.1
3.3 5.0
3.3 0 5.0 17ms
0 17ms
4.3
3.1
0 4.3
0 2.6
0
0 4.9
0 0
D
CODE PART NAME
AE 2SB1424
AR 2SB1462
BR 2SC4617
BR 2SC4081BRT
MPL1 MPL-1
YR 2SD2216
C
QC 2SC2620
5K XP4401
13 DTA143EE
26 DTC144EE
64 DTC114YE
C 1SS353
MO MA132WA
H6 TC7SHU04FU
S4 D1FS4
10L MA3100L
VOLTAGE: REC MODE
B
A
1 2
6 - 8
SWITCHING REGULATOR
LEVEL SHIFT
5.0 5.0
5.1
0 0
0 3.2
0 NTSC/PAL SW
5.0 5.0 5.1
0
0 0
-
0 1.9
2.8 0
0 5.0 2.6
2.1
0
2.8 0
C 0
0 5.0
5.0
0
0 5.0
0 0
INV.
8.4
8.0
2us
8.1
2us
8.1
8.1
8.1
8.0 8.0 2us
2us 2us 2us
2us
8.4
8.0
2us
8.4 8.4
0 7.2 0
8.0
2us 8.0
8.4 2us
8.4
6.0
8.0
2us
2us
8.4
7.6
8.0
2us
7.3 7.1
8.1
1.5 2us 1.5
1.0
1.5 1.8
PWM
0.9
1.5
1.5
1.5
1.5 1.2
1.3 8.4
1.1
-10
1.8
8.4
7.9
7.9
0.8 - 0 1.5 0 7.9 7.9 7.9 - 1.5 1.5
1.0
3 4
5
VIDEO
*
Y/C MIX &
VIDEO AMP
5.1
5.1
5.0
0
2.4
Q1607
6dB
- -
(QC)
0 - 1.7
C
- 0
0 2.5
0
-
2
5.0
0
Y 0 1.7
2.1
2.5
0
0 0
3.3
0
2
Y
C
5.1
0
3.3
0
22/6.3
8.4
0 2.2k
0
-6.6
15.2
-6.6
SWITCHING REGULATOR [CSR]
7
6
SWITCHING REGULATOR
IDENTIFICATION OF PARTS LOCATION
CSR
Symbol Parts Symbol Parts Symbol Parts Symbol Parts
No. Location No. Location No. Location No. Location
BL C1523 A-3A C1618 A-1B IC1605 A-1B
BL1601 B-1B C1524 B-3A C1621 A-1B IC1606 A-2B
BL1602 A-2B C1525 B-2A C1622 A-2B
L
C C1526 A-2A C1623 A-2B L1501 A-1A
C1501 A-1A C1527 B-2A C1624 A-2B L1503 A-2A
C1502 B-2A C1528 B-2B C1625 A-2B L1504 A-3A
C1503 B-1A C1529 B-2B C1626 B-2B L1505 A-2A
C1504 B-1A C1530 B-2A C1650 B-2B L1506 B-2A
C1505 B-1A C1531 B-2B CP L1507 B-2B
C1506 B-1A C1532 B-2B CP1601 A-1A L1601 A-1B
C1507 B-1A C1601 A-1B D L1602 B-2B
C1508 B-1A C1602 A-1B D1501 A-2A L1603 A-1B
C1510 B-1A C1603 A-2C D1502 B-2A L1604 A-1B
C1512 B-1A C1604 A-2C D1503 A-2B PG
C1513 B-2A C1605 A-2C D1601 B-1C PG1501 A-1A
C1514 B-1A C1606 A-2C D1602 B-1A PG1601 B-1B
C1515 B-2A C1610 A-2B F Q
C1516 B-2A C1611 B-2C F1601 B-1B Q1501 B-2A
C1517 B-2A C1612 B-2B IC Q1502 B-3A
C1518 B-2A C1613 B-3B IC1501 B-1A Q1503 B-2A
C1519 B-2A C1614 B-2B IC1601 A-2C Q1504 B-2A
C1520 A-2A C1615 B-3B IC1602 B-2B Q1506 B-2B
C1521 B-2A C1616 B-3B IC1603 B-2B Q1601 B-3B
C1522 B-3A C1617 A-2B IC1604 B-3B Q1602 B-2B
PC
Symbol Parts Symbol Parts Symbol Parts Symbol Parts
No. Location No. Location No. Location No. Location
BL C1174 A-2A C1384 B-3A R1147 B-3B
BL1101 A-3B C1177 A-2A C1385 B-4B R1148 B-3C
OUTPUT
BL1102 A-3B C1178 A-1A C1386 B-4A R1149 B-3C
1A/125V
C C1180 A-2A C1387 B-4A R1151 B-3C
C1101 B-3B C1181 A-3A C1388 A-1C R1155 B-3C
C1102 B-3B C1183 A-3A R1156 B-2C
CP
C1103 B-3B C1184 A-2A CP1101 B-3C R1157 B-4B
C1104 B-3B C1185 B-3A CP1171 A-2A R1158 B-4C
C1105 A-4B C1186 A-2A D R1171 A-2A
C1106 B-3C C1201 B-3A D1101 B-4C R1172 A-2A
C1107 B-4B C1204 A-1B D1171 A-2A R1173 A-2A
C1108 B-4B C1205 A-1B D1201 A-2B R1174 A-2A
C1109 B-4B C1206 A-1A D1351 A-1A R1175 A-2A
C1110 B-4B C1207 B-1B IC R1177 A-2A
C1111 B-4B C1208 B-1B IC1101 B-4B R1201 B-3A
C1112 B-4B C1209 B-1B IC1121 B-3B R1202 B-3A
C1113 B-4B C1210 B-2B IC1150 B-2B R1203 B-1A
C1114 B-4B C1211 B-2A IC1171 A-2A R1204 B-1A
C1115 B-4B C1215 A-1A IC1173 A-3A R1205 B-1A
C1125 A-3B C1216 A-1A IC1201 B-2A R1206 B-1A
C1126 A-3B C1218 A-3A IC1206 A-1A R1211 A-1B
C1131 B-2C C1220 A-3A IC1250 A-3A R1212 A-1B
C1132 B-2C C1221 A-3A IC1251 A-1A R1213 A-1B
C1133 A-4B C1222 A-1A IC1301 A-2B R1214 A-1B
C1134 A-4A C1301 A-2B IC1302 A-3B R1215 A-1A
C1135 A-4A C1302 A-2B IC1351 B-1B R1216 B-1A
C1140 B-2A C1303 A-2B IC1380 B-4A R1217 B-1A
C1141 B-2A C1304 A-2C L R1218 B-1A
C1142 B-3A C1305 A-2C L1101 B-3C R1219 B-2B
C1143 B-3A C1306 A-2B L1102 A-4B R1220 B-2B
C1144 B-3A C1307 A-2B L1103 B-3A R1221 A-1A
C1145 B-3A C1308 A-3B L1201 A-3A R1222 A-1A
C1146 B-3B C1309 A-3C L1202 A-1A R1225 B-2A
C1147 B-3B C1310 A-3C L1301 A-1B R1227 A-4A
C1148 B-3B C1311 A-1C L1302 A-4C R1228 A-3A
C1149 B-3B C1312 A-2C L1381 B-3A R1230 A-1A
C1150 B-3B C1313 A-2C PG R1231 A-1A
C1151 B-3B C1314 A-4C PG1241 A-3B R1232 A-1A
C1152 B-3B C1317 A-2B PG1250 A-1A R1233 A-1A
VCO OUT
C1153 B-3B C1318 A-2B PG1301 B-2A R1234 A-1A
C1154 B-2B C1319 A-2B PG1380 B-3A R1237 B-1A
C1155 B-2B C1320 A-2B Q R1238 B-1A
C1156 B-2C C1351 B-1B Q1101 B-3C R1256 A-3B
C1157 B-2C C1352 B-1B Q1102 B-2C R1306 A-2C
C1158 B-2B C1353 B-1B Q1103 B-4C R1307 A-2C
C1159 B-2B C1354 B-1B Q1201 B-1A R1308 A-2B
C1160 B-1B C1355 B-1B Q1351 B-1B R1309 A-2B
C1161 B-1B C1356 B-1B Q1352 A-1A R1310 A-2C
C1162 B-1B C1357 B-1B Q1353 A-1A R1311 A-2C
C1163 B-1C C1358 B-1A R R1313 A-2C
Y
C1165 B-4C C1359 B-1A R1101 B-3B R1314 A-2C
C C1166 B-4C C1360 B-1A R1102 B-4B R1315 A-3B
To
SENSOR
C1167 B-2A C1361 B-1A R1105 B-3B R1316 A-3B
[SP]
PG1002
C1168 B-3A C1362 A-1A R1140 B-2A R1317 A-3C
[P6-4]
C1170 A-2A C1380 B-3A R1143 B-3B R1318 A-3C
C1171 A-2A C1381 B-3A R1144 B-3B R1351 B-1B
C1172 A-2A C1382 B-3A R1145 B-3B R1352 B-1B
C1173 A-2A C1383 B-3A R1146 B-2B R1353 B-1B
8
6 - 9 6 - 10
CSR,PC,SP
Symbol Parts Symbol Parts Symbol Parts
No. Location No. Location No. Location
Q1603 B-3B R1526 B-2A R1621 B-3B
Q1604 A-1B R1527 B-3A R1625 A-2B
Q1605 A-2B R1528 B-3A R1626 A-1B
Q1606 A-2B R1529 B-3A R1627 A-2B
Q1607 B-2B R1530 B-2A R1628 B-2B
Q1608 A-1B R1532 B-2A R1629 B-2C
Q1609 B-2B R1533 A-2A R1630 B-2C
Q1610 B-2C R1534 A-2A R1633 A-1B
Q1611 B-2C R1535 A-2A R1635 A-1B
R R1536 A-2A R1636 A-1B
R1501 B-2A R1601 A-2B R1639 B-2B
R1505 B-1A R1605 B-2B R1640 B-2C
R1509 B-1A R1606 B-2B T
R1510 B-1A R1607 B-2B T1501 A-2B
R1512 B-1A R1608 B-2B
R1515 B-1A R1610 B-2C
R1516 B-1A R1611 B-2B
R1517 B-1A R1612 B-2B
R1519 B-1A R1613 B-2B
R1520 B-1A R1614 B-3B
R1521 B-2A R1616 B-2B
R1522 B-2A R1617 B-2B
R1524 B-2A R1618 B-2B
R1525 B-2A R1620 B-3C
SP
Symbol Parts Symbol Parts Symbol Parts
No. Location No. Location No. Location
R1354 B-1B X1171 A-2A C
R1355 B-1B C1001 B-2B
ZD
R1356 B-1B ZD1171 A-2A C1002 B-2A
R1357 B-1B C1003 B-2A
R1358 B-1A C1004 B-2B
R1359 B-1A C1005 B-2B
R1360 B-1A C1006 B-2B
R1361 B-1A C1007 B-2A
R1362 B-1A C1008 B-2A
R1363 B-1A C1009 B-2B
R1364 B-1A C1010 B-2B
R1365 B-1A C1011 B-2A
R1366 B-1A C1012 A-1B
R1367 B-1A C1013 A-1B
R1368 B-1A C1014 A-1C
R1370 A-1B C1015 B-2B
R1371 B-1B C1019 B-2B
R1372 B-1B C1020 B-1B
R1374 B-1B C1021 B-2A
R1375 B-1B C1022 B-2A
R1376 A-1A C1023 B-2A
R1378 A-1B C1024 A-1B
R1380 A-4A C1025 A-2B
R1381 A-4A C1026 A-2B
R1382 B-4A C1027 A-2B
R1383 B-4A C1029 A-2B
R1384 B-4A
D
R1385 B-4A D1001 B-2A
RM IC
RM1151 A-2B IC1001 B-2B
RM1152 A-2B IC1002 A-1B
RM1153 A-2B IC1003 B-1B
RM1154 A-2B L
RM1155 B-1C L1001 A-1B
RM1156 B-1C L1002 B-2B
RM1157 A-1B PG
RM1158 A-1B PG1001 B-1B
TL PG1002 B-3A
TL1301 A-1C Q
TL1331 B-3A Q1001 B-2B
TL1332 B-3A Q1020 A-2B
TL1333 B-3A R
TL1334 B-3A R1001 B-2B
TL1335 B-2A R1002 A-2A
TL1336 A-2A R1003 B-2A
TL1344 A-3A R1005 B-2A
TL1345 B-2A R1020 A-2B
TL1346 A-3A R1021 A-2B
TL1347 A-3A
TL1348 A-3A
TL1349 A-3A
TL1350 A-3A
TL1381 B-3A
TL1383 B-4A
TL1384 B-4A
TL1385 B-4A
TL1386 B-4A
X