PDP-507CMX
102
1234
1234
C
D
F
A
B
E
Yes
Failure in the IC5301
In a case of PC OUT (SYNC Section)
Yes
No
Failure analysis for the
MAIN Assy ⇒ MA2
Check the connected
equipment and its cables.
Are signals input to the input
terminals?
Waveform 23
Yes
Are signals input to Pins 4
and 7 (for sync) of IC5005?
Waveform 24
Are signals input to Pins 2, 30
and 31 (for control) of IC5301?
Waveform 25
Yes
Are signals input to Pins 3 and 6
(for sync) of IC5008?
Waveform 26
No
Failure in the IC5008
Yes
Failure in the IC5604
Check the signal output
equipment and its cables.
No
Is the voltage at Pin 1 of
IC5005 5V DC?
No
Failure in the MAIN Assy
No