Pioneer PDP-427CMX Service Manual page 25

5
Examination of the SLOT
When either input from SLOT does not come out
Examination of the SLOT power supply
Are 12V supplied to pins 1 and 2 of CN4001?
YES
Are 16.5V supplied to pin 5 of CN4001?
YES
Are 13.5V supplied to pin 3 of IC4003?
YES
Are 3.3V supplied to pins 7 and 8 of CN4001?
YES
Are 3.3V supplied to pin 11 of CN4001?
YES
To examination of the INPUT that input is not displayed
5
6
NO
Failure in the POWER unit or harness ADX3275
NO
Failure in the POWER unit or harness ADX3275
NO
Failure in the IC4003
NO
Failure in the POWER unit or harness ADX3275
NO
Failure in the POWER unit or harness ADX3275
PDP-427CMX
6
7
7
8
A
B
C
D
E
F
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