Post by serafis on Feb 24, 2023 14:57:58 GMT -5
I am repairing an Onkyo TX-NR626 with a blown Front Right channel. I have replaced all of the blown components on the amp driver board and the main board except the blown output transistors.
These are a complementary pair 2SC4468 / 2SA1695, which unfortunately I don't have spares for in my parts bin.
I do have some MN130S / MP130S pairs which, looking at the data sheets, have similar characteristics and which Onkyo have also used in similar amps.
Q1: Are these suitable substitutes?
Q2: If so, can I just replace the blown channel or should I replace all channels?
Q3: If just the blown channel, is there likely to be any noticeable difference in output volume or sound quality on that channel?
Thanks, Jon.
These are a complementary pair 2SC4468 / 2SA1695, which unfortunately I don't have spares for in my parts bin.
I do have some MN130S / MP130S pairs which, looking at the data sheets, have similar characteristics and which Onkyo have also used in similar amps.
Q1: Are these suitable substitutes?
Q2: If so, can I just replace the blown channel or should I replace all channels?
Q3: If just the blown channel, is there likely to be any noticeable difference in output volume or sound quality on that channel?
Thanks, Jon.
