I am so happy found this site as it consists of so many Manuls and easy to aquire. This onei s exactly what I wanted and much more as it has info on not only how to use the tuner but how to repair it as well. I will come here 1st before purchasing else where! Thanks owner-manual.com!
is part of the manual is very useful for repairing
Here are circuit diagrams
if there is damage, I recommend using this part of the
a complete list of circuit boards and components
I used for first time this the wheat and am very thanked
Text excerpt from page 24 (click to view)
5. TROUBLE WITH INTERCOM MODE
5-1. The voice from the Base unit cannot be heard on the Handset.
Check whether there is an audio waveform on Pin 23 of IC20. OK NG Check MC401 and IC20.
Check Pin 2 of IC15.
5-2. The voice from the Handset cannot be heard on the Base unit.
Check whether there is an audio waveform on Pin 4 of IC15. OK NG Check IC15.
Check whether there is an audio waveform on Pin 14 of IC20. OK
