| 商品狀況說明 |
Noise due to galling, etc. Bias current is not consistent, sound left/right balance is not right. After maintenance, everything is fine. Continuous operation for 48 hours after aging, no abnormality.Cleaned inside and outside, lubricated for VR removal of galling, cleaned SW contacts, overhauled speaker relays. Overhauled speaker relay 0.00Ω x 4. Checked for floating solder at heat generating parts. pp voltage balance, bias, offset adjustment, and left-right balance were adjusted to be suitable. Paint repair. |
台灣
