Tait T800 SL2 25W User Manual

B5.10 T855 Fault Finding M8SL2-00-002-812
© Copyright Tait Electronics Limited August 2004. All rights reserved.
5.7.1.2 Serial Communication
Check pin state.
Y
Low/floating
N
Noise
on pin
Disconnect the
programming lead.
Is IC810 pin 11 high?
(microcontroller)
Y*digital storage
oscilloscope
Use PGM800Win
to send a POLL
command to the
radio.
Check the transistor
interface circuitry
and/or replace the
programming lead.
Check the SERIAL-COM
and AUDIO-1/2 links.
Replace
IC810.
Check the transistor
interface circuitry
and/or replace the
programming lead.
Check the transistor
interface circuitry.
Check IC810 pin 13
with a DSO. Is there
a response from IC810 after
a poll command is sent?
N
Y
Connect the programming
lead and use PGM800Win
to read the rack/radio.
Check I/O pad P810
with a DSO*.
Does it swing from
0 to 5V?
N

Tait T800 SL2 25W Specifications

General

Brand	Tait
Model	T800 SL2 25W
Category	Accessories
Language	English