Pioneer PDP 507CMX, Service Manual

Page: 103 / 210

PDP-507CMX
103
5 6 7 8
5 6
7
8
C
D
F
A
B
E
No
Is the voltage at Pin 1 of IC5604
0 V DC?
Yes
Yes
Yes
Failure in the IC5603
Yes
Failure in the IC5604
Failure in the MAIN Assy
Failure in the IC5002
No
Failure in the IC5605
Failure in the IC5301
Yes
Failure in the IC5301
⇒
INPUT 1 (Analog RGB)
Are signals input to the input
terminals?
Waveforms 1-1, 1-2
Are signals input to Pins 4 and
10 (for sync) of IC5002?
Waveform 2
Are the voltages at Pins 2 and 14
of IC5603 0 V and 0 V DC?
No
No
Failure in the MAIN Assy
Failure in the MAIN Assy
No
Yes
Are signals input to Pins 7 and 9
of IC5603?
Waveform 3
No
Yes
Are signals input to Pins 4 and 7
of IC5604?
Waveform 5
Yes
Yes
Are signals input to Pins 11 and
13 of IC5605?
Waveform 7
No
Failure in the IC5606
Are signals input to Pins 3 and 6
of IC5606?
Waveform 8
Yes
No
Failure in the IC9504
Yes
Are signals input to Pins 8 and 11
of IC9504?
Waveform 9
Yes
Are signals input to Pins 2, 30 and
31 (for control) of IC5301?
Waveform 4
No
Are signals input to Pins 2, 30 and
31 (for control) of IC5301?
Waveform 6