Block Diagrams; Overall Block Diagram - Hitachi VK-S454R Service Manual

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4. Block Diagrams

4-1 Overall Block Diagram

G
IC1001
PG1001
PG1241
IMAGE
Q1001
(1/2)
(1/2)
SENSOR
BUF.
2
2
7
1-3
12-14
V1,V2
H1,H2,
V3
IC1003
RG
BUF.
9,11,
9,11,
13
13
5,7,8
11,13,15
IC1002
3,7,
3,7,
10,12,14
10,12,14
SENSOR
F
DRIVE
5,17,18
7,10,12,
13,14
SP
(1/2)
IR MOTOR DRIVE
PG1380
14
1
E
M
DRIVE
2
16
IR
MOTOR
4
9
3
DRIVE
11
5
IR
SENSOR
Q1352,
PG1301
Q1353
9
IRIS
IRIS
M
DRIVE
MOTOR
D
5
HALL
7
DEVICE
6
8
C
17
ZOOM
M
18
MOTOR
16
15
21
FOCUS
M
22
MOTOR
B
20
19
2
ZOOM
SENSOR
3
ZOOM
LED
FOCUS
12
SENSOR
14
FOCUS
A
LED
1
2
3
IC1101
CDS/AGC & A/D CONV
26
2-11
5-14
CDS
AGC
A/D
17-19
43-45
16
SP1,
ADCLK
SP2,
15
CS,SDO,CK
OBP
PULSE
197-201,
GEN.
205
1,209,
213-215
XSG23A,XSUB,
XV1,XV2,XV3
180-182,
185
HD,EP3,
61,63
FV,FP
FV
IC1380
5
38,72,
75,78
HD,EP3
1
FV,FP
DECORD
96-98
CK-CDS,
20
SDO-CDS,
CS-CDS
23
17
IR-RESET
11
IRDCK
16
IROREB
15
IRCW
IC1351
18
F.DET/IRIS DRIVE
IR-SENS
9
7
28
IRIS PWM
22
21
23
CAMERA µP
24
6
43
HAL-ADJ1
19
10
52
F.DET
18
16
F.DET
69
17
11
HALL-G
Q1351
15
44
12
BIAS
HAL-ADJ0
BIAS
DRIVE
IC1301
ZOOM MOTOR DRIVE
26
ZD-RESET
5
14
DRIVE
16
10
1
ZDCK
DECORD
20
9
8
ZDOEB
DRIVE
23
11
34
ZDCW
IC1302
FOCUS MOTOR DRIVE
27
RD-RESET
5
14
DRIVE
16
1
9
RDCK
DECORD
9
20
7
RDOEB
DRIVE
23
11
36
RDCW
41
ZOM-SENS
39
FUS-SENS
30
ZOOM-LED
Q1201
LED
DRIVE
33
FCUS-LED
3
4
5
IC1121
IC1150
CAMERA DSP
D-RAM
Y/CHROMA
DIGITAL
AUTO
PROCESS
FOCUS
PG1241
DET.
Q1101
BUF.
CHROMA
69
D/A
65
Y
Q1102
BUF.
59
C,SYNC
FV
174-176
194,41 170 177
LL. OSC
RESET
IC1171
INV.
1
LD-DSP
CP1171 LC
83-85
DATA,
CLOCK
F(27MHz)
65
SYS-CLK
IC1251
RESET
59
1
2
RESET-IN
PULSE
GEN.
IC1173
5
2
26,28
CLOCK
VM
GEN
IC1201
MCK1
(13.5MHz)
7
X1171
27MHz
13
LINE-SW
5V
76
SD(232C)
3Vb
77
RD(232C)
3Va
IC1250
RESET EEPROM
2-4
DATA,
CLOCK
2V
1
100
CS-SYC
CS
IC1202
ADJ EEPROM
2-4
DATA,
CLOCK
1
CS
95
STBY-5V
48
+B-DET
PC
4
5
- 10 -
6
7
VK-S454R
3.58MHz BPF
IC1601
PG1001
Y/C MIX &
VK-S454ER
4.43MHz BPF
(2/2)
(2/2)
VIDEO AMP
L1604,
Q1605
PG1002
PG1501
BUF.
C1617
36
36
28
28
7
BPF
35
35
27
27
2
Q1607,Q1609,
Q1610,Q1611
20 20
29 29
C.CLIP
IC1603
VCO/PHASE COMPA.
Q1602
24
24
13
13
3
14
INT.FV
SW
PHASE
13
COMPA.
22
22
11
11
9
10
VCO
Q1603
IC1604
BUF.
FV
20
20
9
9
PULSE
GEN.
IC1602
LEVEL SHIFT
23
23
17
17
12
11
25
25
15
15
8
9
IC1502
26,28
12,14
12,14
3
7.2V
1,2
REG
Q1501
IC1501
30
30
19
19
PWM
5V
SW
5V
5V
44
18 18
5V
1,36,
PWM
Q1502
42,43
L1002
21
21
18
18
VCC1-4
3V
SW
3V
3V
12
35
3V
VCC
PWM
Q1503
19
19
16
16
18
2V
STBY4
SW
2V
19
2
2V
STBY3
PWM
20
STBY2
PWM
21
STBY1
41
CAM
Q1504
SW
D1501
T1501
7
7
15V
10
10
-6.5V
D1503
Q1506
SHORT
PROTECT
32 32
2 2
31 31
1 1
SP
CSR
(2/2)
6
7
8
G
PG1601
OUTPUT
12
6
VIDEO
11
F
Q1601
EXT.FV
8
EX.FV
SW
E
2
SD(RS-232C)
1
RD(RS-232C)
D
CP1601
F1601
4
B+
5
GND
C
B
A
8

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