Toshiba W-707, Руководство по обслуживанию

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7-5-1. IC501 Main Microcomputer Terminal Function
Fig. 7-5-2
45
46
47
48
49
50 COMPOSITE SYNC INPUT(V SYNC DETECT)
44
43
42
41
40
31
32
33
34
35
39
38
37
36
66 67 68 69 65
64
63 62
61
70
71
72 73
74
80 79 78 77 76 75 60
51
52 53
54
55 59 58 57 56
CAPSTAN AMPLIFIED FG.B INPUT
POWER A.C CLOCK INPUT
REMOTE CONTROL SIGNAL INPUT
CYLINDER FG / PG INPUT
PB CTL INPUT
REC CTL OUTPUT
ROMOTE CONTROL SIGNAL OUTPUT FOR CABLE BOX CONTROL
HEAD AMP OUTPUT SWITCH
COLOR ROTORY
TAPE LED ON / OFF CONTROL SIGNAL
VIDEO / AUDIO EE / PB / TRICK FUNCTION SIGNAL
VIDEO / AUDIO HEAD SWITCH CONTROL
VIDEO / AUDIO RECORD SIGNAL(H)
CYLINDER MOTOR CONTROL OUTPUT
CAPSTAN MOTOR CONTROL OUTPUT
NO CONNECTION
PSEUDO V / PSEUDO H
VOLTAGE INPUT
C.SYNC
TEST PIN
LOADING MOTOR CONTROL (
–
)
25 24 23 22 26 27 28 29 30
21
6 5 4 3 2
1
7 8 9
10
11
20
19 18 17 16 12 13 14 15
TEST2
TEST PIN
NC
REC INH
START SENSOR
CTL AMP GAIN
CTL SCHMITT
CAP F / R
CAP Vcc MID
CAP Vcc Hi
INPUT SEL 2
INPUT SEL 1
NC
AUDIO MUTE
OSD RESET
OSD SIO STROBE
OSD SIO CLK
NC
TV / VCR
NC
95
94
93
92
96
97
98
99
100
91
90
89
88
87
TEST3(ALE) 81
82
83
84
85
86
LOADING MOTOR CONTROL (+)
TEST1
TEST PIN
TEPE END SENSOR INPUT
XT OUT
32kHz FREQUENCY
POWER ON / OFF SIGNAL
XT IN
32kHz FREQUENCY
ECOLOGY POWER MODE
RESET
RESET INPUT
OUTPUT TO FIP
TEST
TEST PIN
XOUT
16MHz OSCILLATOR PORT
XIN
16MHz OSCILLATOR PORT
D.GND1
DIGITAL GROUND
1 / 2 CLK
CLOCK SIGNAL
SU REEL
SUPPLY REEL PULSE
TU REEL
TAKE UP REEL PULSE
SP / LP / EP
TAPE SPEED SELECTION FOR VIDEO & CONVENTIONAL AUDIO
COPY GUARD
COPY GUARD CONTROL
HIFI DET
HIFI DETECT FOR HIFI DISPLAY AND AUTOTRACKING
ADREF
ANALOG DIGITAL REFERENCE
ADGND
ANALOG DIGITAL GROUND
CAM C
CAM B
CAM A
CAM SWITCH A INPUT (FOR MECHANICAL POSITION DETECTION)
VIDEO ENV DET
VIDEO ENVELOPE A / D INPUT FOR AUTO TRACKING
HIFI ENV DET
AUDIO ENVELOPE A / D INPUT FOR AUTO TRACKING
AFT
AUTO FINE TUNING LOCK DETECTION
KEY IN2
KEY MATRIX INPUT
KEY IN1
KEY MATRIX INPUT
SHUTTLE 3 / 4
SHUTTLE POSITION INPUT
SHUTTLE 1 / 2
SHUTTLE POSITION INPUT
IIC BUS CLK
IIC BUS TRANSFER CLK
IIC BUS DATA
IIC BUS TRANSFER DATA
VOLTAGE INPUT
COMP IN
COMPARISON SIGNAL INPUT FOR PREAMP
NO CONNECTION
TV / VCR SWITCH
NO CONNECTION
CLOCK OUTPUT SIGNAL TO OSD IC
DATA OUTPUT SIGNAL TO OSD IC
CHIP SELECT SIGNAL TO OSD IC
RESET SIGNAL FOR OSD IC
AUDIO MUTE CONTROL FOR HIFI SIGNAL
NO CONNECTION
VIDEO INPUT SELECTION
(HL TUNER, LL L1, LH L2)
CAPSTAN MOTOR Vcc CONTROL (Hi : 24V)
CAPSTAN MOTOR DIRECTION CONTROL (L:FORWARD, H:REVERSE)
CTL OUT SCHMITT LEVEL TRIGGER SIGNAL OUTPUT
CTL AMP GAIN SWITCH
TAPE START SENSOR INPUT
CASSETTE IN / REC INHIBIT SWITCH INPUT
NO CONNECTION
C.FGA IN
C.FGB IN
POWER GOOD
REMOTE IN
D.PG / FG
PB CTL IN
REC CTL OUT
RMT OUT
HA SW
COLOR ROTOR
SENSOR CTL
EE / PB / TRICK
V / A SW.P
REC(H)
DPWM
CPWM
NC
PV / PH
D.VCC1
OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP OUTPUT TO FIP
NO CONNECTION NO CONNECTION
OUTPUT TO FIP OUTPUT TO FIP
CAPSTAN AMPLIFIED FG.A INPUT
OSD SIO DATA
CAPSTAN MOTOR Vcc CONTROL (Hi : 14V)
CAM SWITCH B INPUT (FOR MECHANICAL POSITION DETECTION) CAM SWITCH C INPUT (FOR MECHANICAL POSITION DETECTION)
Vkk S16 S15 N.C N.C 6G 5G 4G 3G 2G 1G S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 ECO MODE POWER ON END SENSOR LOAD BKWD LOAD FWD