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|13th April 2013, 03:13 PM||#1|
Join Date: Dec 2006
NEED HELP FOR NAD C-320 INT. AMP
Hi there, i'm seeking help for my AMP.
The R-Channel of my NAD C 320 sounds not tight and a bit distorted.
I did the the following check:
1. Initial Adjustment:
A. Output OFF-SET VOLTAGE
For L- Channel : I can get 20mv and the VR21 can adjust easily.
For R- Channel : I got 0.5V and the VR11 could not be adjsuted, no respose at all.
B. Idling Current.
For L- Channel : I can get 8mv between the TP1 and TP2, i can adjust the VR22 easily.
For R-Channel : I could not adjsut the VR12, no response at all even you turn it clockwise or counter CW
I also noticed, the 1st time i turn it ON, the amp will automatically in protection mode. But after turn it OFF and ON again, the problem is gone, but the sound at R-Channel is not good as the L-Channel as explained above.
Please advice what could be the problem on this AMP.
Thank you very much.
Last edited by gynco; 14th April 2013 at 04:37 AM.
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