Sony PCS-1500 Service Manual page 188

4-2. Self-diagnostics Function
A-10
TDM ASIC PASSED?
YES
VCPex PASSED?
YES
Camera Control
PASSED?
YES
User Data PASSED?
YES
There is no problem
n
When the input signal arrives at the respective interrupt input pin of PLD (IC110) and the above describe
tests have resulted in FAIL, the PLD (IC110) may be defective. When same symptom occurs even after
replacing the PLD (IC110), the CPU (IC100) may be defective.
4-58
NO
IC750 and its peripheral
NO
IC300, IC111 or their peripheral
NO
IC202 and its peripheral
NO
IC201 and its peripheral
PCS-1500/1500P