3-11
Is there about 6V
at pin 9 of P804?
YES
Is there about 11V
at '+' terminal
of C856?
YES
Is there about 6.1V
at pin 9 of IC801?
YES
Is there voltage at
pin 9 of T801?
YES
NO POWER : NO STAND-BY
Replace the Fuse
Check the 6V Line
of MAIN 1 BOARD
Check if the
Fuse is O.K.?
YES
NO
Check/Replace
DB801, R801, C806.
NO
Check/Replace
D806, Q801, R807, ZD801, C814,
IC801.
NO
¡
Check/Replace FR851, D852,
C856, Q860, Q861, Q862,
ZD860, ZD861, R874.
¡
Check the pin 11 of P804 :
'LOW"
NO
Check/Replace
IC857, D856, F852, C875
NO
TROUBLE SHOOTING
Summary of Contents for KE-20P32X
Page 21: ...3 9 BLOCK DIAGRAM ...
Page 28: ...3 16 PRINTED CIRCUIT BOARD MAIN ...
Page 30: ...3 18 POWER ...
Page 31: ...3 19 CPT AV 14 AV 20 ...
Page 63: ......