AKAI AM U 41 (need repair help) 2SK150 transistor - diyAudio
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Old 6th January 2014, 04:47 PM   #1
diyAudio Member
Join Date: Jan 2014
Angry AKAI AM U 41 (need repair help) 2SK150 transistor

hi this is Murali (first time on forum - from India)

(i hope this is the correct section of this forum to post it, plz let me know if it not)

my AKAI AM U 41 amplifier need repair
one channel is not working

after inspection...

the channel IC STK 1060II
is replaced (imported from Germany) still no sound.. then we find one Zener diode is bad .. 2v zener not available here ...then imported it from china (25 nos need only 1) ..

still no sound .. output relay is not opening...

and we found transistors which in first part of amplifier is bad..

are - 2sc2259, 2sa979 and 2sk 150

first two imported and still waiting for 2sk 150

anybody know the substitute or any way to repair this amp..

i love its sound quality,,,, (need repair)

im trying to repair and finding spares for last 1 year .. still no use

please help

for circuit--- manual is attached.......... see page 79
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