Fig. 7-5-1
7-5. Servo/Logic Block Diagram
EVER +5V
SW +5V
EVER +14V
H
SW +5V
SW
EVER +5V
1
2
+14V
(EVER)
1
7
8
5
9
CAP Vcc
CAP F / R
CAP LIMITER
CAP CTL REF
CAP Err
SW +5V
CAM A
CAM B
CAM C
LOAD+
LOAD–
CAM A
CAM B
CAM C
SW +5V
START
SENSOR
END
TAPE END LED
SENSOR
EVER +5V
EVER +14V
EVER +5V
REC INHIBIT SW
SU FG
TU FG
W503
P502
REG & SW
2
1
W701
H
H
6
4
CFGA
CFGB
DRIVE
IC
CAPSTAN
CTL BIAS
CTL I / O
S602
Z661
Z662
DFG
2
3
1
EVER +5V
BU 5.0V
SW +5V
TO POWER
TO RF
LOADING
X501
16MHz
X502
32kHz
IC503
TB6515AP
IC502 TA7291S
Z601
Z602
Q601
Q602
D601
TRACKING
CONTROL
Pre / Rec
CTL
CONTROL
59
60
51
40
41
37
V.SEP
OSD
CONTROL
88
87
86
85
50
52
53
I C BUS
CONTROL
2
66
100
CYLINDER
CONTROL
REC TPG
4
47
31
65
99
98
3
70
69
62
63
1
2
49
48
LOADING
MOTOR
CONTROL
CAPSTAN
94
95
34
CONTROL
SENSOR
INPUT
CONTROL
MECHA CONTROL
MODE CONTROL
45
43
35
74
73
77
78
72
64
97
96
D.GND
AD.GND
CTL AMP GAIN
CTL SCHMITT
D.PWM
D FG
PB CTL
XT OUT
XT IN
X IN
X OUT
C.PWM
CAP F / R
CAP Vcc CTL
CFG.B IN
CFG.A IN
LOAD–
LOAD+
CAM C
CAM B
TU FG
SU FG
END
START
REC INH
AD REF
D.Vcc
OSD RST
POWER ON
HiFi DET
CSYNC
V / A SWP
HASW
COLOR ROTARY
COMP IN
VIDEO ENV
HiFi ENV
44
TO HiFi AUDIO
TO Pre / Rec
61
S610
CAM A
32
PV / PH
38
EE / PB / TRICK
89
A MUTE
30
REC (H)
91
INSEL 1
92
INSEL 2
5
6
7
6
3
2
9
1
5
CONTROL
CIRCUIT
5
1
2
16
15
11
6
10
REG
7
8
9
BRIDGE
DETECTOR
42
DX32
DX31
QX30, QX31
55
54
I / P
SHUTTLE
JOG
+5V
REC CTL
13
14
15
16
17
18
24
23
22
21
20
19
Vcc2
Vcc1
REG
2
1
3
5
4
8
6
7
9
10
11
12
Vcc2
SW +5V
CONTROL
GAIN
EVER+5V
OSD STB
OSD DATA
OSD CLK
TO OSD IC
POWER SW
KEY IN 2
57
KEY IN 1
56
46
RMT IN
68
SP / LP / EP
76
2
3
1
BU 5.0V
STOP
CH DOWN
CH UP
1G
2G
3G
4G
5G
6G
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
NC
F(+)
F(–)
1
2
7
8
9
17
35
34
31
30
29
28
27
26
25
24
18
23
22
21
20
19
4
5
6
32
10
6
S1
S2
7
S3
8
S4
9
S5
10
S6
11
S7
12
S8
13
S9
14
S10
15
S11
16
S12
17
S13
18
S14
19
S15
28
S16
29
G6
G5
G4
G3
G2
G1
21
20
24
23
22
25
25
Vkk
IC506 LA7116
93
CAP Vcc H
+24V
PLAY
25U39149SAN
CTL / FG AMP
FIP
DRIVE
CTL
SW
Po. GOOD
6
+B CTL
DETECTION
DE71,QE71,QE72
TV / VTR
AFT
83
58
SENSOR CTL
39
DRIVE
Q581
EVER +5V
SW +5V
DRIVE
SW +5V
SW +5V
POWER
COPY GUARD
67
TO JOG &
TO TUNER
SHUTTLE
TO VIDEO &
NOMAL AUDIO
PAUSE
REC
KEY MATRIX
TO AUDIO
TO RF
TO VIDEO
TO AUDIO
TO POWER
RMT OUT
EVER +5V
DRIVER IC
LOADING
MOTOR
MOTOR
CAPSTAN
HALL SENSOR
HALL SENSOR
CYLINDER
MOTOR
CTL HEAD
CYLINDER DRIVER
ZX02
REMOT I / P
GP1U291Q
SENSOR
IN2
IN1
KEY
CAPTURE
RMT IN
EEPROM
IC504
KS24C020
IC505
PST7025MT
RESET IC
TMP93CU76
IC501
MAIN MICROPROCESSOR
AC OFF
CIRCUIT
19
17
32
21
27
22
11
14
15
16
BRIDGE