Sony PCS-1500 Service Manual page 156

4-2. Self-diagnostics Function
P-01
Output voltage of AC
adaptor = 12 V?
YES
CN900 [1-2] = 12 V?
YES
C940 = 12 V?
YES
C918 = 12 V?
YES
C900 = 3.3 V?
YES
C901 = 5 V?
YES
There is no problem
n
When you have entered from other diagnostics flow chart to this flow chart P-01, and when you have
ended the flow chart P-01 with the result " There is no problem", return to the original flow chart and
continue its diagnosing.
4-26
NO
Replace AC adaptor
NO
Replace CN900
NO
Replace S900
NO
Replace F901
NO
IC900, Q900, D900, or their peripheral
NO
IC901, Q901, D901, or their peripheral
PCS-1500/1500P