Panasonic KX-P1180 Service Manual page 50

KX-P1180
Replace Q11.
Replace defective
Tr.
Replace the
defective QA.
Replace
printhead.
Perform self
test printing.
Does the
Signal Gate Array G1)
PU G8 altenate?
YES
NO
YES
NO Are Q6, Q7
normal?
YES
Does the
signal 1C9@5) ~
altenate?
YES
NO_Are QA401, QA402
normal?
YES
Is the
resistance of
Head Coil
normal?
YES
NO
Check mechanism.
NO
Replace ROM
and RAM.
NO Is
Replace CPU. printer operation
normal?
YES
Check again.
NO
Are QA401, QA402, Replace defective
normal?
QA.
YES
Replace IC9.
0.5V/div
QA401, 402 Base Voltage Waveform 00usecidlv
20V/div
8-32