Pioneer PDP-507CMX Service Manual page 105

5
⇒ INPUT 2 (DVI)
Are approx. 500 mVp-p signals
input to Pins 80 and 90 of
No
IC7001?
Waveform 28
Yes
No
Is the voltage at Pin 3 of IC7003
3.3 V DC?
Yes
Are sync signals input to Pins 48
and 47 of IC7001?
No
And is a CLK signal input to Pin
44 of IC7001?
Waveform 29
Yes
Are sync signals input to Pins 7
No
and 9 of IC5603?
Waveform 30
Yes
Are sync signals input to Pins 11
No
and 13 of IC5605?
Waveform 31
Yes
Are sync signals input to Pins 3
No
and 6 of IC5606?
Waveform 32
Yes
Failure in the MAIN Assy
5
6
Check the signal output
equipment and its cables.
Yes
Is the voltage at Pin 1 of IC7003
5 V DC?
No
Yes
Is the voltage at Pin 1 of IC7006
7 V DC?
No
Failure in the DD Assy
Failure in the MAIN Assy
Failure in the IC5603
Failure in the IC5605
Failure in the IC5606
PDP-507CMX
6
7
Failure in the IC7003
Failure in the IC7006
7
8
A
B
C
D
E
F
105
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