IC301 Troubleshooting
Check the power supplying IC301 Pin 17, 46, 90?
NO
Refer to OPower Circuit Troubleshooting�YES
Check the 5v of IC301 pin26
Check the P-SENSNO
YES
Check the oscillation of X301
Replace the X301NO
YES
When power supplying to IC301 pin17.
(Low High)
Check the RESET circuitNO
YES
Replace the IC301
IC501, IC302 Troubleshooting
Check the power supplying to IC501/IC302 pin 16
NO
Refer to OPower Circuit Troubleshooting�
YES
Check the CLK Data of IC501/IC302 pin 2, 3
NOCheck the Data of IC301 Pin 3, 4, 5
YES(CD TAPE FUNCTION)
Check the CONTROLL functionRefer to OIC301
Troubleshooting�NO
Replace the Check the pattern
YESIC501/IC302of (IC301, IC501, IC302)
END
- 2-12 - |