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Service Tip C420
Preset memory circuit change
PROBLEM: When a frequency of 102.5MHz or higher is stored into preset 3
the unit may change this frequency to 12.8MHz less after receiving any
remote command (102.5MHz becomes 89.2MHz). This occurs even with other
brands remote commands.
CAUSE: This is a software bug.
SOLUTION: The solution is to replace the CPU, this will keep the part
number mentioned in the service manual: LC866448B (201).
PRODUCTION:
This modification has been implemented in production from serial number: G0XC42003201
Contact:
NAD Electronics International
633 Granite Court
Pickering, ON Canada L1K 3K1
Voice: 905-831-0799 FAX 905-837-6357
NAD@www.NADelectronics.com