- 2-17 -
Refer to “IC301
Troubleshooting”
IC301 TROUBLESHOOTING
IC601 TROUBLESHOOTING
Check the power supplying IC301
pin
17, 46, 72, 90?
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
(CD ➞ TAPE FUNCTION)
Replace the
IC601
Check the pattern
Check the P-SENS “High” of IC301 pin26
Check the oscillation of X301
When power supplying to IC301 pin12.
(Low ➞ High)
Replace the IC301
Check the power supplying
to IC601 pin1
Check the CLK Data of IC601 pin14, 15
Check the IC601 FUNCTION SELECTOR
END
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO