Sherwood R-325 Service Manual page 19

Audio/video pro-logic receiver
Hide thumbs Also See for R-325:
Table of Contents

Advertisement

Symptom
Treble control has no effect.
Auto tune inoperative. (UP/DOWN)
Cause and Remedy
A) Variable resistor TREBLE defective.
Replace.
A) Poor contact in Up/Down key.
Repair or replace.
B) Defective 1C301.
Replace.
C) Defective tuner circuit components.
Replace.
D) In case of FM only, improper adjustment of FM
front-end.
Readjust.
Manual tune inoperative. (UP/DOWN)
(AM or FM)
Memory setting inoperative.
FL inoperative.
i
a
ee
ee
A) Poor contact in Up/Down key.
Replace.
B) Defective IC301.
Replace.
A) Poor contact in memory keys 1-10.
Replace.
B) Defective 1C301.
Replace the defective component.
A) FL defective.
Replace.
B) Defective IC301.
Replace
C) Defective D113 and D114.
Replace.
|
eee
uno
Noisy volume control.
Remote Control Unit inoperative.
A) Defective volume.
Replace.
A) Weak battery.
Replace.
B) Defective.
Replace.
C) Defective Remote sensor.
Replace.
21

Advertisement

Table of Contents
loading

This manual is also suitable for:

R-325rds

Table of Contents