Sharp RT-207H Serviceanleitung Seite 10

RT-207H(S)
INPUT/OUTPUT PINS OF INPUT/OUTPUT
Input/ Active
Name
No.
output
VDD
2 8 Output High
3
Output High
9
4 10 Output High
REC START Input
High
6 SPACE
Input High
PAUSE
7 02 SPACE
Input Low
8 Dl SPACE
Input Low
9 RES
10 CE
11 RIW
12
13 RO
14
15 R2
16
17 REC MUTE Output
High
18 BIAS OSC
Output Low
19
20
21
METAL
Output High
22 CHROME
Output High
23 NORMAL
Output High
24
PLAY OUT
Output High
25
CUT IN
Input High
26 NC
27
vss
28
MODE
Output High
CHANGE
MUTE
29 02 MUTE
Output High
30 Dl MUTE
Output High
31 NC
32 DOLBY
Output Low
Note : High level; 9 to 13V
Low level; O to 3V
EXPANDER ac514)
Function
level
Power supply (+ 5V)
The Signal becomes High level to
cause the APMS 8 indicator to light
up.
The signal becomes High level to
cause the APMS 9 indicator to light
up.
The Signal becomes High level to
cause the APMS 10 indicator to light
up.
The signal becomes High level to put
the unit in record mode.
The signal becomes High level to
create a blank space of about
4-second duration.
The signal becomes Low level when a
blank space between the programs
detected in playback mode of the Deck
2.
The signal becomes Low level when a
blank space between the programs is
detected in playback mode of the Deck
Interface between the microcom-
puter and input/output expander.
The signal becomes High level to get
the unit muted in record mode.
The signal becomes Low level when
the unit is in record mode causing the
bias oscillator to operate.
For selection of the tape in use.
Not used (for AUTO function)
Power supply OV (earth)
The Signal becomes High level to get
the unit muted whenever one
changed to another.
The signal becomes High level to get
the unit muted in playback of the Deck
2.
The signal becomes High level to get
the unit muted in playback of the Deck
The signal becomes Low level when
the Dolby NR circuit is tumed on.
Pin Input/
Name
No.
output
33 REC Output
34 pAUSE Output
35 T2-B Output
36
02-A Output
37
38 DI-A Output
39 REPEAT
Output
40 CONT Output
is
41
INTRO
Output
42 MIX DUB
Output
Output
43 HI DUB
44
NOR DUB Output
45
Output
46
Output
47 3 Output
48
4 Output
49 5
Output
50 6
Output
51
7 Output
mode is
52
-14-
Active
Function
level
The signal becomes Low level when
the unit is in record mode.
Low The signal becomes Low level to cause
the pause indicator to light up.
Low The signal becomes Low level to cause
the Deck 2 play indicator (Side B) to
light up.
Low
The signal becomes Low level to cause
the Deck 2 play indicator
light up.
Low The signal becomes Low level to cause
the Deck 1 play indicator to light up.
Low The signal becomes Low level to cause
the repeat indicator to light up.
Low The signal becomes Low level to cause
the continuous play indicator to light
up.
Low The signal becomes Low level to cause
the intro scan indicator to light up.
Low The signal becomes Low level to cause
the mixing dubbing indicator to light
up.
Low The signal becomes Low level to cause
the high speed dubbing indicator to
light up.
Low The signal becomes Low level to cause
the normal speed dubbing indicator to
light up.
Low The signal becomes Low level to cause
the APMS 1 indicator to light up.
Low The signal becomes Low level to cause
the APMS 2 indicator to light up.
High The signal becomes High level to
cause the APMS 3 indicator to light
up.
High
The signal becomes High level to
cause the APMS 4 indicator
up.
High The signal becomes High level to
cause the APMS 5 indicator
up.
The signa/ becomes High level to
High
cause the APMS 6 indicator to light
up.
High The signal becomes High level to
cause the APMS 7 indicator to light
up.
(Side A) to
to light
to light