6 - 44
6 - 43
MAIN CONTROL
MAIN CONTROL
A
B
C
3
2
1
D
E
4
6
5
7
8
2. MAIN CONTROL BLOCK DIAGRAM
M
M
LCD
VCA
CON
CS-EE
SCLK
SDO
SD1
CS-DAC
LD-DSP
SYS-CLK
SYS-RESET
CS-SYS
TEMP-ADJ
KEY 1
NEAR-SW
FAR-SW
TEST PLUG
1
2
PG604
PG601
PG901
7
4
5
1
7
PG951
68
68
PG731
70
70
28
28
66
66
PG731
PG951
64
64
42
42
46
46
78
56
47
78
IC902
BACK-UP
DET
IC551
PWM
ZD-PWMA
ZD OEB
ZD-PWMB
RD-PWMA
RD OEB
RD-PWMB
FUS-SENS
ZOM-SENS
FCUS-LED
72
Q901
Q902
5
4
MECHANISM
STATE
(MODE)
SWITCH
END LED
STAGE
REC INH
Hi8MP
ME/MP
CS
13
1
SDCK
49
STBY 3
29
STBY
30
S DATA
47
SDO
52
LD
MCK 2
48
RESET
60
54
CLK
3
DATA
1
CLOCK
2
CS
4
RESET
14
DI
5
8
1
2
12
11
10
9
PG902
4
2
3
12
LD
SCK
6
SI
5
SO
2
99
81
79
80
2
1
65
59
100
49
48
93
92
34
29
35
30
31
16
17
19
13
15
34
18
37
12
36
41
39
33
ZOOM-LED
32
SD
76
RD
77
CLK-CSD
96
44
45
43
SDO-CSD
97
CS-CSD
98
TALLY
26
D. L. ON
DCL-AUTO
94
86
DCL-MAN
89
ZOOM SW
46
LCD-REV
8
LCD-OPEN
7
BLC
13
14
8
20
22
17
10
19
20
18
5
4
26
1
7
3
24
2
6
7
15
16
4
6
7
5
3
PG552
1
PG904
6
1
4
8
PG736
2
PG733
8
8
PG5701
4
5
PG905
CLK
DATA
CS
PG903
PG1301
IC1301
ZOOM MOTOR/FOCUS
MOTOR DRIVE
IC1105
EEPROM
IC1111
D/A CONV.
LOADING
MOTOR
IC202
CSD/AGC &
A/D CONV.
LIGHT
SW
D1301
IC1104
DIGITAL
µ
P
Q570
Q571
LED701
TALLY
SW701
VIDEO
IC701
IR
RECEIVER
TALLY
DRIVE
Q701
5V
DC
LIGHT
[TYPE 675/575]
[TYPE 675]
DC
LIGHT
SWITCH
ZOOM T
ZOOM W
SUB POWER
(STANDBY)
REC
START
EJECT
3V
AUTO
SW768
BLC
SW773
LCD
OPEN
SW772
FOCUS-N
SW770
EFFECT
SW781
AE
SW764
MENU
SW763
TITLE
SW762
DATE
SW761
PLAY
SW767
REW
SW766
FF
SW765
STOP
SW769
FADE
SW771
FOCUS-F
OFF
ON
LCD
REVERSE
SWITCH
REVERSE
CONT.
Q5303
IC671
LOADING
MOTOR DRIVE
END LED
DRIVE
Q905
X901
12MHz
IC201
VIDEO
DSP
IC904
CHARA.
GEN
SD
RD
1
4
TRK ADJ.
T. PROG
2
6
ZOOM
MOTOR
FOCUS
MOTOR
FOCUS
SENSOR
FOCUS
LED
ZOOM
SENSOR
ZOOM
LED
TEST
PLUG
Q1301
LED DRIVE
DRIVE
CONT.
CONT.
CONT.
CONT.
DRIVE
DRIVE
DRIVE
VCR KEY 2
VCR KEY 1
15
19
83
14
18
13
CAM SW
WAKE-UP
VCR SW
REMOCON
REC START
EJECT
CAM+OSD
RESET
DSP RESET
45
C CLOCK
43
44
C-S DATA
42
CS-SYS
S-C DATA
OSD CS
79
CLOCK
78
38
76
D. OUT
SYSTEM RESET
V-DET
57
TRACK ADJ.
5
TEST/NOR
61
RSS
62
RST
59
ESS
58
EST
16
40
41
STAGE
XTAL OUT
XTAL IN
53
CASSETTE-SW
17
12
11
10
ME/MP
M-SW 0
M-SW 1
M-SW 2
TEX IN
TEX OUT
28
VCR ON
27
END LED
69
LOAD
70
UNLOAD
X902
32kHz
84
85
RESET
DET
CS
DET
M
DECODE
SUPPLY REEL SENSOR
TAKE-UP REEL SENSOR
SUPPLY END SENSOR
TAKE-UP END SENSOR
RESET
PULSE
GEN.
SW702
CAM
IC901
SYSTEM
CONTROL
µ
P