Pinbelegung - Dual C 844 Serviceanleitung

Prozessor TMP 4320 P (IC 409) - Pinbelegung
Pin Signal
1 +5 V
2 JL
Repeat Switch
0000 Switch
Stop Switch
3@ {1
Record Switch
Memory Switch
4@e- Jl Pause Switch Set Switch
5< JL Auto Space Switch Play Switch >
6 — Jl Pulse Dekade 1
7— Ji Pulse Dekade 2
8 —» JL Pulse Dekade 3
Q9-» fl Pulse Dekade 4
1 —- J Solenoid Fast Forward
tim J Solenoid Rewind
1i2—~ J Solenoid Play
3@—-~ J Solenoid MF (Music Finder)
14 —» Jf Pulse Segment a 14 15 —J Clear Muting Playback
15 —~ JL Pulse Segment b 3 2 —-» I Record
16 —» JL Pulse Segment c 4 co | & + Capstan Motor, Reel Motor
17 —» JL Pulse Segment d 13| $ [12 I Fast Forward
18 — JL Pulse Segment e =
19 —» J1 Pulse Segment f 6 7 — J Upart Solenoids (100 ms)
20 - JL Pulse Segment g 11 10 —» J Pause
21 GND
22 @ FLELIL Frequency 1050 Hz from IC 404
23e J Reset
24 I
Quartz
25
26 — JL Clock 10us (IC 408)
27 +5 V
28 —~ WW LED | Dot Set LED Repea
29 —> LED Play Dek.2 Dot Memory} Dek.3 LED Stop
30 Ov
31 — L Music Finder ON — Suchiauf, Scan
32 > 1 Clear Muting RA (Record Amp)
33 + LIL! Wickelregelung, Reel Control
34 +5V
35+ J1SL Remote Control
36e- J Record Safety Switch
37 «— FLILIL Tape Run Sensor
3< L_ Signal Space (Musiklicke)
39 4L Timer Record
40¢ 1 Timer Play
41* LL DLL tR-System, Cassette Switch
42 Upat +5V
Bezeichnung, Signification:
2 = Input
7 — Output
J Signal HIGH active
L Signal LOW active
Record SB = Record Stand By
12
Fast Forward Switch b>
Rewind Switch 44
In Function by
Fast Forward, Music Finder ®®, Record, Play
Rewind, Music Finder 4€4, Record, Play
Pause, Record SB, Play, Record
Music Finder b> und 44
Piay, Record SB, Record
Recod SB, Record
alle Funktionen, all functions
Fast Forward, Music Finder >>
alle Funktionen, all functions
Pause, Record SB
Power ON
Record SB, Record
Play, Record SB
Repeat
Stop
Set
Memory
Music Finder Ph» und <4
Record
Fast Forward, Rewind, Music Finder PR und 44
alle Funktionen, all functions
Musicassette
Music Finder b> und 44
Timer Switch Record
Timer Switch Play
Kassette entfernt, without a casstte
Transistorentabelle Dolby
@ Transistor leitend / turned on
= HIGH an Basis
Switch S 22
Transistor | Off Cc