Alpine MRP-M850 zener diode help!!!

lownbroke · 2013-09-14 9:50 pm

Anyone know the value of the zener diode at location ZD301?

rrae · 2013-09-14 10:01 pm

Post good resolution photo of the diode location.

lownbroke · 2013-09-14 10:26 pm

not the greatest pic, but the best one I can get

Perry Babin · 2013-09-14 10:50 pm

ZD301 48E39120S01 DIODE,ZENER HZK12A2L

lownbroke · 2013-09-15 1:29 am

is there a cross reference number for the diode? I cant find anyone that has any in stock

Perry Babin · 2013-09-15 1:58 am

PacParts: Alpine 48E39120S01

I think it's a 12v zener. If you don't buy the one above, find one the same case style and physical size.

lownbroke · 2013-09-15 2:12 am

500ma power dissipation doesn't matter or dynamic resistance? I just need one 12v?

lownbroke · 2013-10-18 9:39 pm

well I replaced those and still the same problem.... no audio, anything else I could check?