PDP-507CMX
112
1
2
3
4
1
2
3
4
C
D
F
A
B
E
A
Are the PWM waveforms output
from Pins 41, 43, 47 and 48 of
IC3002?
Waveform 43
Is the audio signal waveform
output from Pin 11 of IC3001?
Waveform 44
Are the waveforms shown below
output from the AU connector
(CN3004) on the AUDIO Assy?
Pins 1 and 3: Audio signal
waveform
Waveform 45
Failure in the IC3002
Failure in the IC3002
Yes
Yes
No
Yes
Failure in the DD Assy
Yes
Yes
No
Is not threre abnormality in
connection of the CN3003
connector ?
No
No
Is the 9 V DC applied to the both
ends of L3005 and L3006?
No
Are the voltages shown in the
table below output from each pin
of the PA connector (CN3003) on
the AUDIO Assy?
Pin_No.
1–3
4–6
Name
S + 12
GND
Voltage
12.2 Vdc
GND
Pin 8
Pin 9
Pin 7
Pin 5
5Vpp
5Vpp
9.0Vdc
3.3Vdc
Failure in the CN3003 connection
cable
Failure in the IC3001, IC3002 and
IC3004
No
Failure in the IC3001
Are the waveforms shown below
output from the AU connector
(CN9001) on the MAIN Assy ?
Pins 1 and 3: Audio signal
waveform
Waveform 45
No
Yes
Pin 8
Pin 9
Pin 7
Pin 5
5Vpp
5Vpp
9.0Vdc
3.3Vdc
No
Failure in the CN9001 connection
cable (AU connector)
B
Summary of Contents for PDP 507CMX
Page 44: ...PDP 507CMX 44 1 2 3 4 1 2 3 4 C D F A B E 4 2 OVERALL CONNECTION DIAGRAM 2 2 ...
Page 45: ...PDP 507CMX 45 5 6 7 8 5 6 7 8 C D F A B E ...
Page 84: ...PDP 507CMX 84 1 2 3 4 1 2 3 4 C D F A B E 500ns div 500ns div 200ns div ...
Page 104: ...PDP 507CMX 104 1 2 3 4 1 2 3 4 C D F A B E ...
