I have a Technics SU-CH900 which is an amplifier module from a mini
hi-fi. When I press the power button it frequently comes on then goes
straight back off again. I poseted here at the end of May. Recently,
I replaced two MA2C185 diodes and all is working fine now. However it
had also blown a T1.6A (glass miniature type)fuse. Now, I know enough
about fuses to know that this is a 1.6A time delay fuse, but it is
marked with four coloured markings (Blue,Red,Blue,Red) what do the
markings mean? I have substituted a T1A (glass mimiature type) fuse
that I had in my tool kit but I suppose I need to know if it will
offer enough ciruit protection.

Does anyone have any pointers. Please let me know if I'm in the wrong
newsgroup!

Many thanks.

The only problem with underfusing is the replacement fuse may not last long.

Mark Z.

--
Please reply only to Group. I regret this is necessary. Viruses and spam
have rendered my regular e-mail address useless.


"Chris hughes" wrote in message
om...
I have a Technics SU-CH900 which is an amplifier module from a mini
hi-fi. When I press the power button it frequently comes on then goes
straight back off again. I poseted here at the end of May. Recently,
I replaced two MA2C185 diodes and all is working fine now. However it
had also blown a T1.6A (glass miniature type)fuse. Now, I know enough
about fuses to know that this is a 1.6A time delay fuse, but it is
marked with four coloured markings (Blue,Red,Blue,Red) what do the
markings mean? I have substituted a T1A (glass mimiature type) fuse
that I had in my tool kit but I suppose I need to know if it will
offer enough ciruit protection.

Does anyone have any pointers. Please let me know if I'm in the wrong
newsgroup!

Many thanks.

Hi !! i have this unit to repair with the same problem and i want to know
wich diode you have change to solve that problem .
thanks

Hi !! i have this unit to repair with the same problem and i want to know
wich diode you have change to solve that problem .
thanks

hi I have a problem with the mimi stereo shutting down when I increase the
volume slightly. Could this be the same type of problem? The stereo will
play fine at lower volume but at higher volumes it shuts off. It is not a
speaker wire problem.

Still could be wires - sorry but we can't see or check them.
Otherwise, maybe solder connections at or near the output IC(s) or a bad
output IC?

Mark Z.


"szylak" wrote in message
lkaboutelectronicequipment.com...
hi I have a problem with the mimi stereo shutting down when I increase the
volume slightly. Could this be the same type of problem? The stereo will
play fine at lower volume but at higher volumes it shuts off. It is not a
speaker wire problem.