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DFX-8500
Table 56. CZO4 MAINIDRVIDRV-B boards Component Repair 717
Symptom Cause Checkpoint
Solution
The self-test is ICl on the C204
Observe the output signal at pins 136.
Replace ICI.
printed incorrectly
MAIN board is
161 of ICl.
defective.
The head driver FETs Observe the voltage waveform at the
Replace the
on the C204 MAIN each FET drain side.
abnormal FtX
an&or C204 WV-6
boards are defective.
The CPU (IC2) on the Observe the signals at pins 36 (PTSI)
Replace the ICZ.
C204 MAIN board is and 42 (PTS2) of the IC2