Toshiba W-707 Service Manual page 102

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