Dual C 844 Serviceanleitung Seite 12

Prozessor TMP 4320 P (IC 409) • Pinbelegung
Pin Signal
1
+ 5 V
2 4- Repeat Switch
0000 Switch
Stop Switch
3
4-
Record Switch
Memory Switch
Fast Forward Switch »
44- fL Pause Switch
Set Switch
Rewind Switch 44
5 4- fL Auto Space Switch
Play Switch
6-'
Pulse Dekade 1
7- , Pulse 2 Dekade
8 ii-
Pulse Dekade 3
4
9- ,
In Function by
Pulse Dekade
10 -•
Solenoid Fast Forward
Fast Forward, Music Finder N, Record, Play
11-'
Solenoid Rewind Rewind, Music Finder 44, Record, Play
12 -› Solenoid Play
Pause, Record SB, Play, Record
13
Solenoid MF (Music Finder)
Music Finder N und 44
14 Pulse Segment a 14
15 - '1" Clear Muting Playback
Play, Record SB, Record
15 ii
Pulse Segment b 3
2 -3.1 Record Recod SB, Record
16 -• Pulse Segment c
4
co
5 -0.1 Capstan Motor, Reel Motor alle Funktionen, all functions
17 Pulse Segment d 13
12 -3.5 Fast Forward Fast Forward, Music Finder N
18
JL
Pulse Segment e
19
iL
Pulse Segment f 6
7 - 1, - 1 UBAT Solenoids (100 ms)
alle Funktionen, all functions
20 -3. Pulse Segment g
11 10 Pause
Pause, Record SB
21 GND
22'
-
JlSLFL Frequency 1050 Hz from 1 C 404
234- 5
Reset
Power ON
24
}Quartz
25
26 -'11 Clock 10As (IC 408)
27 + 5 V
28
lf
LED Record]
Dot Set LED Repeat
Record SB, Record
Set
Repeat
29 LED Play JDek. 2 Dot Memory] Dek. 3 LED Stop J Dek. 4
Play, Record SB Memory
Stop
30 0V
31
Music Finder ON - Suchlauf, Scan Music Finder N und 44
32 Clear Muting RA (Record Amp)
Record
33
uu-
Wickelregelung, Reel Control Fast Forward, Rewind, Music Finder N und 44
34
+ 5V
35- SISI. Remote Control alle Funktionen, all functions
36 4-
Record Safety Switch Musicassette
374-111111 Tape Run Sensor
38'- L Signal Space (Musiklücke)
Music Finder » und 44
39'
-
1.
Timer Record Timer Switch Record
40'
-
1 Timer Play
Timer Switch Play
41 - L
DLL IR-System, Cassette Switch Kassette entfernt, without a casstte
42
UBAT + 5 V
Transistorentabelle Dolby
• Transistor leitend / turned on
= HIGH an Basis
Bezeichnung, Signification:
2 Input
Transistor
Switch
Off
S
B
22
C
7 —output
o
104 •
1 Signal HIGH active
Q 107 •
1 Signal LOW active
Q 108
•
Record SB = Record Stand By
Q 109
•
Q 110
•
Q 112 •
Q 113 •
•
0114 • •
Q 115 •
Q 116 •
Q 117
•
Q 118
•
Q 119
•
Q 121 •
12