NAD C-350 Service manual

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Service Information C350
Circuit Change
PROBLEM: Resistor is overheating.
CAUSE: Resistor R227 is underrated.
SOLUTION: Change R227 from 560R 1/2W fusible resistor to a 560R 2W fusible resistor.
PRODUCTION:
This change has been implemented in production from serial number:H1XC35015764
NAD Electronics International 633 Granite Court Pickering, ON Canada L1K 3K1 Voice: 905-831-0799 FAX 905-837-6357 NAD@www.NADelectronics.com
NAD C350
MODIFICATION
PROBLEM:
You may receive a complaint about the unit being totally unresponsive to commands and not coming out off protection.
CAUSE:
A power surge during switch on may cause two fusible resistors to blow.
SOLUTION:
Change R401 and R402 from 2.2 Ohm/2W to a jumper wire.
It’s advisable to perform this modification whenever a unit comes in for service.
PRODUCTION:
This modification is implemented in production from Serial no. H08C35005910
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