Hitachi VK-K274, Руководство по обслуживанию

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SWITCHING REGULATOR [CSR] SCHEMATIC DIAGRAM
3 2 1 4 6 5 7 8
3 2 1 4 6 5 7 8
A
B
C
E
D
8.1
1.5
1.5
0.9
1.5
0
8.1
1.5
7.4
8.3
7.3
5.0
7.9
8.2
7.3
6.0
8.0
7.5
7.0
7.5
7.4
7.3
1.6
1.3
1.0
0.8 0 1.5 1.5 1.5
1.8
1.3
1.2
1.5
1.5
1.8
8.1
8.1 8.1
1.5
0
0 8.1 8.1 8.1 8.1 1.0
8.9
7.9
6.5
9.0
8.0
7.0
8.0
6.5
7.5
7.2
8.0
8.2
7.7
7.4
5.0
7.8
6.8
5.8
8.7
8.1
7.1
7.9
6.9
5.9
8.3
7.8
7.3
0 0
0
0
0
2.9
2.2
0
5.0
5.0
5.0
2.1
1.6
2.2
2.1 3.0 0
0
0
1.6 2.1
2.0
2.0
1.9
1.9
2.4
1.1
2.1
2.0
1.1
2.3
5.0
0
0
5.0
5.0
2.0
0
5.0
3.3
0
5.0
0
0
0
0
0
0
0
0
0
0
0
3.2
0.2
5.0
2.6
4.2
4.2
5.0
5.0
5.0
5.0
0
5.0
0
5.0
3.2
3.3 3.3
3.2
3.2
0
0
0
0
0
0
8.1
0
8.1
0
8.1
8.1
8.0
0
8.0
0
8.2
7.7
7.4
8.2
7.7
7.4
8.2
7.7
7.4
8.2
7.7
7.4
8.2
7.7
7.3
8.0
0
-10
8.0
0
-7.1
-7.1
15.1
OUTPUT
IC1604
IDC-7S08[E2]
AMP
VCO/PHASE COMPA.
LEVEL SHIFT
6dB
C1608
0.1
Y/C MIX &
VIDEO AMP
22P:[TYPE S]
12P:[TYPE SE]
[TYPE S/SE]
[TYPE K/KE]
To
SENSOR
[SP]
PG1002
SWITCHING REGULATOR [CSR]
2SC4081
SHORT
PROTECT
MWM
CAM SW
C
Y
C
Y
C
Y
CODE PART NAME
AE 2SB1424R
AR 2SB1462
MPL1 MPL-1
QC 2SC2620
13 DTA143EE
26 DTC144EE
64 DTC114YE
5K XP4401
C 1SS353
MO MA132WA
S4 D1FS4
10L MA3100L
VOLTAGE: REC MODE
*
Q1610
2SC4617
VIDEO
33k
18k
(M)
(M)