Block Diagrams; Overall Block Diagram - Hitachi VK-U174 Service Manual

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4. Block Diagrams

4-1 Overall Block Diagram

G
PG1001
Q1001
BUF
LENS IC1001
7
IMAGE
SENSOR
1-4 12-14
Vf1, SP
Vf2,
Vf3,
Vf4
F
RG, H1, H2
11-13 4-6
3, 5,
17, 18
7-10,
12-14
1-7 10-16
SENSOR
DRIVE
XSG1, XSG2,
XSUB, XV4,
IC1002
XV3, XV2, XV1
Q4001
PG4001 PG3001 PG2002
LED DRIVE
ZOOM 37 37
22
LED
E
FOCUS 38 38
7
LED
ZOOM
21
SENSOR
CSR (2/2)
FOCUS
5
SENSOR Q4101, Q4103
13
BIAS
IC4101
D
F-DET
16 2
HALL
- 1
5V
14 3
+
DEVICE
6
-
7
15
5
+
10
+ 8
9
-
IC4102
GAIN
2
SW
4
SW
1
C
Q4104
INV
IC4103
Q4111
IRIS DRIVE
IRIS
BUF
19
1 7
M
18
- + + -
2 6
3 5
17
12
5V
B
IC4001
ZOOM/FOCUS MOTOR DRIVE
ZOOM
11 24
OSC
DRIVE
M
26
10
9
30
DRIVE
8 28
FOCUS
4 16
DECORD
M DRIVE
14
3
A
2
10
DRIVE
1 12
1 2
3
PG2001
A3, A4,
IC2001 B4, C4,
A5, B5,
CDS/AGC & A/D CONV
C5, A6,
1-9,
36 B6, C6
15 2
22
CDS AGC A/D
15-17
33-35 12
ADCK C7
F3, G3, H1
SP1, SP2, OBP
H2, H3, J1
B1, C1-3, D3, E2, E3,
CS-CDS,
SDO-CDS, EP3, HD,
CLK-CDS
FP N1, P1, P3
FV P2
R3
SLD
IC2302
RESET
1 D20
PULSE
RESET
GEN
E19
3 3 TRS
P19
4 4 OSCSCK
Q2502
7 7
INV
8 8
59
RESET-IN
1
LD-DSP
38
FV
5 5
72, 75, 78
HD, EP3, FP
96, 97, 98 CS-CDS,
SDO-CDS,
CLK-CDS
30
25 25
ZOOM-LED
33
FCS-LED
39
FCS-SENS
41
ZOOM-SENS
44
HALL-ADJ0
43
HALL-ADJ1
52
FDET
69
HALL-G
28
IRIS-PWM
X2301
13.5MHz
63
XTAL
35 35
36
65
EXTAL
35 30 30
49
TEMP-ADJ
34 29 29
32 32 9
33
RDCK
39 39 36
32
RDCW
38 34 34 27
RESET RD-RST
3
4 5
IC2052
CAMERA DSP
Y/CHROMA
IC2101
DIGITAL
SDRAM
PROCESS
Q2151
BUF
Y E21
D/A
Q2152
CONV
BUF
C
G19
PULSE
IC2051
D19
GEN
CLOCK GEN
CSYNC
K1
4
2 X2303
XCCD1
U174: 28.63MHz
A15
DIFCLK U174E: 28.5MHz
IC2305
IC2510
4fsc GEN
V1 2 10 PHASE
4
COMPA
14
IC2303
EEPROM1
2
T3
SDCK SK
3
T2
SDATA DI
T1 4
SDO DO
1
CS
IC2304
EEPROM2
100
CS-EE2
85 2
IC2507 SCLK SK
3
83
CAMERA µP
SDO DI
84 4
SDI DO
1
99
CS-EE1 CS
IC2508
FV DET
2
13 10
LINE-SW Q2501
1
3V1
77 8
RD
76
12
SD
IC2509
LEVEL SHIFT
95
STBY-5V
48
+B-DET
PG2504
31
TXD 1 TXD
32
RXD 2 RXD
66
FWE 3 FWE
MD2 67
4 MD2
KEY-AD0,
46, 47, 50, 51
KEY-AD1,
KEY-AD2,
KEY-AD3
KEY-IN0,
KEY-IN1,
15 - 20
KEY-IN2,
KEY-IN3,
KEY-IN4,
KEY-IN5 PC
4 5
- 14 -
6 7
IC3104
PC
Y/C MIC &
VIDEO AMP
PG2002 PG3001
15 15 2 11
Y/C
MIX
Q3301
12
BUF
16 16 7
9
13 13
14
15
Q3302-3305
C.CLIP
11 11
3
Q2503
INV
IC3002
3 6V 1
6V
REG
Q4105
IC3001
1 1 5V PWM
5V
SW
5V
44
5V
PWM
Q4106
19 19 3V
3V1
SW
22 22 3V
35
3V2
PWM
3V STBY4
Q4107
2V
1 1
STBY2
2V
SW
2V
2
2V
PWM
Q3004
20 20
SW
15V STBY1
18 18
41
-7V PWM
INV
STBY3
9 27 27
11
26 26
T3001
D3005
15V
31 31
D3006
-7V
6 6
PG2504
3 KEY-AD0
4 KEY-AD1
5 KEY-AD2
6 KEY-AD3
7 KEY-IN0
8 KEY-IN1
9 KEY-IN2
10 KEY-IN3
11 KEY-IN4
12 KEY-IN5
6 7
8
G
CSR (1/2)
PG3501
OUTPUT
6 VIDEO
8 EX-FV
1 RD(232C) F
2 SD(232C)
4 +B
5 GND
PG3502
1 Y-OUT
3 C-OUT
F3501
D3007
E
43
12
VCC
D
36
18
20
1
21
C
42
19
B
A
8