TONO THETA 5000E Sender-Decoder - Rear Panel
This section will introduce you into the rear apron connections on the unit.
1 KEYBOARD Jack
Connected to keyboard.
2 INPUT TTL Jack
This is an input accepting TTL levels for connection of an external terminal unit or key driving the input of the Theta-5000E. Its use is selected from the front panel.
3 INPUT AF Jack
This is an audio input from a Transceiver, Tape Recorder, etc.
4 PHONE Jack
To defeat internal speaker and use external speaker or headphones.
5 AFSK GAIN Control
Adjusts the output level of the AFSK jack.
6 AFSK Jack
This is an audio output from the AFSK generator and may be used to feed a Transceiver, or Tape Recorder.
7 PTT Jack
This jack controls the PTT (Push-to-talk) line of the transceiver if desired. It switches on when the unit is in the transmit mode.
8 CW KEY Jack
CW keying jack
9 FSK KEY Jack
RTTY keying jack
10 REMOTE Jack
This is a keying output for use with accessory equipment.
11 VIDEO Jack
Provides a composite video signal for an external CRT (75 ohms) .
12 CONT. control
Controls contrast of the display on the built-in CRT.
13 BRIGHT control
Controls brightness of the display on the built-in CRT.
14 POWER supply
for a 13.8V DC (13.5 16V DC) power source. (The AC cord should be disconnected when the DC source is connected to the unit.
15 Internal Speaker
built-in speaker to monitor audio signals.
16 PRINTER cable outlet
Slot provided in cabinet for exit of a flat ribbon cable. Printer connector port is inside the cabinet.
17 FUSE
replace with the correct size fuse only:
100V/120V AC 1A fuse holder on rear panel
220V/240V AC 0. 5A
13.8V DC 3A
fuse holder on power source board.
18 AC Cord Socket
accepts AC cord for power supply. When the AC cord is plugged in, the unit will not accept power.
19 V-SEL
AC voltage selector.
Last Updated : 26th July 2023