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Block Diagrams - Hitachi VK-S454 Service Manual

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BLOCK DIAGRAM
IC1001
PG1001
PG1241
CCD
Q1001
(1/2)
(1/2)
SENSOR
BUF.
2
2
7
H1,H2,
V1,V2
RG
V3
IC1003
BUF.
9,11,
9,11,
13
13
IC1002
3,5,7,
3,5,7,
10,12,14
10,12,14
SENSOR
DRIVE
SP
(1/2)
IR FILTER DRIVE
PG1380
15
1
IR
M
DRIVE
13
2
FILTER
MOTOR
4
19
DRIVE
3
17
5
IR
SENSOR
Q1352,
PG1301
Q1353
9
IRIS
IRIS
M
DRIVE
MOTOR
5
HALL
7
DEVICE
6
8
17
ZOOM
M
18
MOTOR
16
15
21
FOCUS
M
22
MOTOR
20
19
2
ZOOM
SENSOR
3
ZOOM
LED
FOCUS
12
SENSOR
14
FOCUS
LED
1
2
IC1101
CDS/AGC & A/D CONV
10
26
2-11
5-14
CDS
AGC
A/D
17-19
43-45
16
SP1,
DATA,
ADCK
SP2,
15
CLOCK,
OBP
CS
PULSE
197-201,
GEN.
205
1,208,209,
212-215
XSG23A,XSG23B,
XSUB,XV1,XV2,XV3
180-182,
185
HD,EP3,
61,63
FV,FP
FV
IC1380
30
38,72,
75,78
HD,EP3
28
FV,FP
DECORD
96-98
DATA,
4
CLOCK,
CS
3
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
24
6
43
HAL-ADJ1
19
10
52
F.DET
18
16
F.DET
69
17
11
HALL-G
Q1351
15
12
44
BIAS
HAL-ADJ0
BIAS
DRIVE
IC1301
ZOOM MOTOR DRIVE
26
ZD-RESET
30
15
DRIVE
13
28
10
ZDCK
DECORD
4
19
8
ZDOEB
DRIVE
3
17
34
ZDCW
IC1302
FOCUS MOTOR DRIVE
27
RD-RESET
30
15
DRIVE
13
28
9
RDCK
DECORD
19
4
DRIVE
3
17
36
RDCW
41
ZOM-SENS
39
FUS-SENS
30
ZOOM-LED
Q1201
LED
DRIVE
33
FCUS-LED
3
BLOCK DIAGRAM
IC1121
IC1150
CAMERA DSP
D-RAM
Y/CHROMA
DIGITAL
AUTO
PROCESS
FOCUS
PG1241
DET.
Q1101
BUF.
CHROMA
69
D/A
CP10151
65
LPF
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
IC1206,IC1251
RESET
59
PULSE
RESET-IN
GEN.
IC1173
5
2
CLOCK
GEN
IC1201
MCK1
DIGITAL µP
(13.5MHz)
7
(D-µP)
X1171
B+
27MHz
13
LINE-SW
5V
76
SD(232C)
3Vb
77
RD(232C)
3Va
95
BPF-N/P
IC1250
EEPROM
2V
4,7,8
DATA
CLOCK
3
100
CS-SYC
CS
PG1250
TEST PLUG
5
RST
67
4
MD2
MD2
66
FWE
3
FWE
32
RXD2
2
RXD
31
TXD2
1
TXD
PC
4
5
6 - 15
6 - 16
BLOCK DIAGRAM
L1603,
Q1608
IC1606
C1621
BUF.
NTSC/PAL SW
3
4.43MHz
2
BPF
N/P
P
7
P: VK-S454E
1
3.58MHz
N
N: VK-S454
BPF
Q1605
L1604,
BUF.
IC1601
C1617
PG1001
Y/C MIX &
(2/2)
(2/2)
VIDEO AMP
Q1605
PG1002
PG1501
BUF.
36
36
26
26
4
35
35
25
25
2
Q1607,Q1609,
Q1610,Q1611
18 18
C.CLIP
29 29
IC1603
VCO/PHASE COMPA.
Q1602
24
24
11
11
3
14
INT.FV
SW
PHASE
13
COMPA.
22
22
9
9
9
10
VCO
Q1603
IC1604
BUF.
20
20
7
7
FV
PULSE
GEN.
IC1602
LEVEL SHIFT
23
23
15
15
12
11
25
25
13
13
8
9
27
27
19
19
N/P
26,28
26,28
10,12
10,12
Q1501
IC1501
30
30
17
17
PWM
5V
SW
5V
5V
35
18 18
5V
1,36,
PWM
Q1502
42,43
L1002
21
21
16
16
VCC1-4
3V
SW
3V
3V
12
44
3V
VCC
PWM
Q1503
19
19
14
14
18
2V
STBY4
SW
2V
2V
19
2
2V
STBY3
PWM
20
STBY2
PWM
21
STBY1
41
CAM
Q1504
SW
D1501
T1501
5
5
15V
8
8
-6.5V
D1503
Q1506
SHORT
PROTECT
SP
CSR
(2/2)
6
E
PG1601
OUTPUT
7
6
VIDEO
6
Q1601
EXT.FV
8
EX.FV
SW
D
2
SD(RS-232C)
1
RD(RS-232C)
C
CP1601
F1601
4
B+
5
GND
B
A
7
8

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