Hitachi VK-S214R Service Manual page 51

1 2
2-5 Switch Reg [CSR] Schematic Diagram
G
5.0
5.0
TC7S08
VCO/PHASE COMPA.
0 0 0 5.0
3.2
3.2 5.0
5.0
0
0
3.2
3.2 3.2 5.0 5.0
0
0 4.3
4.3
0
0
2.7
0
0 5.0
F
E
CODE PART NAME VK-S214R
C1607 22p
AE 2SB1424
AR 2SB1462
BR 2SC4081
* BR 2SC4617
QC 2SC2620-QC
13 DTA143EE
26 DTC144EE
64 DTC114YE
D
5K XP4401
C 1SS353
J SB07-03C
MO MA132WA
MP MA133
S4 D1FS4
9.0
VOLTAGE: REC MODE
6.0
*
C
B
A
1 2
3
LEVEL SHIFT
5.0 3.2
5.0
5.0 5.0
0
0
0 0
0
0 3.2
5.0 5.0
0 0
0
2.0
0
0 5.0
VK-S214ER
12p
9.0 9.0
8.0 8.0
8.4
6.4
8.4
9.5
6.2
8.0
9.5
8.5 8.0
8.0
9.0
8.8
8.0 8.0
8.1
8.3
5.0
6.5
8.5 9.5
8.5
8.0
8.2
7.8
7.7
1.5
1.5
1.5 PWM 1.8
0.9 1.5
1.5
1.5
1.5 1.5
1.2
1.0
1.3
0
8.5 1.8
9.0
8.0
3
4 5
Y/C MIX & VIDEO AMP
2.8
2.0
2.2
0 5.0
1.0
2.2
1.0
3.2
0
3.0
0 5.0
2.0
0
2.2
2.6
C1607 0
22p[S214R]
0
12p[S214ER]
0
2.5
0
9.0 (AE)
8.0
8.0
0
8.5
(J)
9.0 8.0
(AE)
8.0
0
8.5
(J)
9.0
8.0
(AE)
8.0
0
8.5
(J)
10.0
-5.0
-5.3 11.9
-5.3
*
SWITCH REG [CSR]
4 5
- 6 -
6 7
5.0
2.8
0.8
5.0
2.5
3.2
1.5
0
3.2
1.9
0.3
0
2.0
2.8
0.8
0
3.2
1.5
6 7
8
G
OUTPUT
F
E
0
D
C
B
To
SP
PG1002
A
8