Sherwood RV-4050R Service Manual page 12

Manual tune inoperative(UP/DOWN)
(AM or FM)
FL inoperative
Remote Controi Unit inoperative
Cause and Remedy
A) Poor contact in Up/Down key:
Replace.
B) Defective !C501.
Replace.
A) FL defective.
Replace.
B) Defective 1C501.
Replace.
C) Defective X-TAL501
Replace.
A) Weak Battery.
Replace.
B) Defective.
Replace.
C) Defective IC501(CPU Board) orZ1.
Replace.
22
NOTES
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