3-15
Does the sound
signal appear at pin 4
of IC601?
YES
Does the sound
signal appear at pin 9
of P805?
YES
NO SOUND
Check/Replace FR854, D855, IC601.
Check/Replace speaker,
speaker connector.
Is there about
25V at pin 5
of IC601?
YES
NO
Check the Audio source line of
VCD
¡
Check the voltage at collector of
Q602.
¡
Check/Replace IC601, external
components of IC601.
NO
NO
Summary of Contents for KE/KL-20/21P32X
Page 6: ...3 9 BLOCK DIAGRAM ...
