Circuit Description - Sharp Rp-207H Serviceanleitung

RP-207H(S)
Input/Output Pins of Microcomputer (ICIOI)
Input/
Pin
Name
No. output
Output
1 ED
Output
2 LED2
Output
LED3
CEöä
Output
4
Ou tput
5 LED5
Ou tput
6
NC
7
8 NC
9 NC
LED7 Ou tput
19
DÜÄCSTÖÉS
Ou tput
11
12 INTRO Output
13 AUDIO Input
Input
14 REST
ADRESS Input
15
SYNCHRO Ou tput
16
MUTING Output
17
Output
18 SOL PULSE
TRACKING Output
19
20 SOL A Ou tput
Ou tput
21 SOL B
22 Output
23 Output
24 RESET
NC
25
26 NC
27 GNP
28 osc 2
29 osc 1
30 HLT
31 TEST
32 Vee
öööä-g-ecose Output
33
Output
34
OUtput
35
36 Output
Output
37
REC START Output
38
39 NC
NC
41 NC
CIRCUIT
Application
Indicator I
Indicator 2
Indicator 3
Indicator 4
Indicator 5
Indicator 6
Indicator 7
Both side indicator
Intro indicato/
Cartridge output
Detection Of tonearm position
Detection of tonearm position
Synchro indicator
This Signal becomes LOW level
when the unit is in playback
mode.
This pulse becomes High level
when the solenoid is attracted.
This signal becomes High level
when the tonearm starts tracking
on the record surface.
Tonearm solenoid for side A
Tonearm solenoid for side B
Tonearm forward moving
Tonearm reverse moving
Reset
Earth
Clock oscillation
Clock oscillation
Power supply
Closing of loading motor
Opening Of loading motor
Reverse rotation of phono motor
Forward rotation of phono
motor
This signal becomes High level
when the record is played at
the speed of 33 r.p.m. and
becomes Low level when it is
played at the speed of 45 r.p.m.
This causes the tape deck to
start recording.
DESCRIPTION
Pin
Name
No.
42
43
45 APSS A
46 DOOR CLOSE SW
DOOR OPEN SW
47
49 FACTORY SW
50
51
52 KEY IN #2
53 KEY IN #3
54 KEY STROBE #0
KEY STROBE #1
55
56 KEY STROBE #2
NC
57
58
NC
59 NC
KEY STROBE #3
60
KEY STROBE
61
REPEAT
62
SIDE B
63
64 SIDE A
Input/
Application
output
This signal causes the tape deck
Output
to stop recording momentarily.
This signal cause the stereO
Output
amplifier to be set at the PHONO
position.
APSS signal for side B: this signal
Input
becomes Low level when
between the programs is detected.
APSS signal for side A: this signal
Input
becomes Low level when
between the programs is detected.
This signal Low level
Input
when the turntable compartment
is closed.
This signal becomes Low level
Input
when the turntable compartment
is open.
This signal becomes Low level
Input
to get the player's cartridge
cue-up position.
Input
Input Key matrix.
Input Key matrix.
Input Key matrix.
Input Key matrix.
Output Key matrix.
Output Key matrix.
Output Key matrix.
Output Key matrix.
Output Key matrix.
Output Repeat indicator
This signal becomes Low level
Output
when side B is played.
This signal becomes Low level
Output
when side A is played.
a space
a space
in