Panasonic KX-F900 Service Manual page 74

k _x:_,oo J
YES
I
R I Ill.
5V,check ___
(DC-DC converter check)
NO
YES
5V,check
(DC-DC converter check)
NO
Replace D201. J
NO
YES
NO
YES
Replace
D202,PC101 and IC201.
I _v,che_ _-.
(DC-DC converter check)
YES
5V,check
NO (DC-DC converter check)
---_ Replace the whole board. J
(It is difficult to fix by testing other parts.)
-74-
I _v check 1
I I
Replace D203.
Replace IC202. J
J ReplaceD204. I
Replace peripheral circuit of IC202