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IC301 TROUBLESHOOTING
Check the power supplying IC301 pin17, 46, 72, 90?
YES
Check the P-SENS "High" of IC301 pin26.
YES
Check the oscillation of X301.
YES
When power supplying to IC301 pin11.
(Low © High)
YES
Replace the IC301.
IC601 TROUBLESHOOTING
Check the power supplying
to IC601 pin1.
YES
Check the CLK Data of IC601 pin14, 15.
YES
Check the IC601 FUNCTION SELECTOR.
YES
END
NO
NO
NO
NO
NO
NO
NO
Replace the
IC601.
- 2-11 -
Refer to "Power Circuit Troubleshooting".
Check the P-SENS.
Replace the X301.
Check the RESET circuit.
Refer to "Power Circuit Troubleshooting".
Check the Data of IC301 pin9, 10 .
© TAPE FUNCTION)
(CD
Check the pattern.
Refer to "IC301
Troubleshooting".
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