Pioneer VSX-72TXV, Руководство по обслуживанию

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VSX-74TXVi
213
5 6 7 8
5 6
7
8
C
D
F
A
B
E
Step 4: DVC
CN1002 (pin 24) COMPOSITE IN
AUDIO (DVD)
Is there a
signal
?
No
Yes
B
IC601 (pin 3)
Is there a
signal
?
No
Yes
b
IC601 (pin 16)
Is there a
signal
?
No
Yes
b
To Step 4-2
Step 4-1
Step 4-1-1
CN1002 (pin 20)
S VIDEO IN
Is there a
signal
?
No
Yes
B
IC601 (pin 3)
Is there a
signal
?
No
Yes
b
IC601 (pins 15, 16)
Is there a
signal
?
No
Yes
b
CN1002 (pin 18)
Is there a
signal
?
No
Yes
B
To Step 4-2
To Step 4-2
Step 4-1-2
CN1002 (pins 8, 10, 12)
COMPONENT IN
If you can perform the steps described in
"Diagnosis of the line from the component
video input to the HDMI video output,"
follow this flowchart.
Is there a
signal
?
No
Yes
B
IC601 (pins 14-16)
Is there a
signal
?
No
b
Step 4-1-3
a
R416-R417 (common line) X'TAL
Is
oscillation of
28.63636MHz
output?
No
Yes
Check the soldering of X401 or
IC401. If soldering has not been
done correctly, replace X401 or
IC401.
Check the INTERFACE Assy
and COMPOSITE V Assy.
Check the INTERFACE Assy
and S VIDEO Assy.
Check the INTERFACE Assy
and COMPONENT & VOL Assy.
Check the INTERFACE Assy
and S VIDEO Assy.
Check the soldering of IC602.
If soldering has not been done
correctly, replace IC602.
Check the soldering of IC601.
If soldering has not been done
correctly, replace IC601.
Check the soldering of IC601.
If soldering has not been done
correctly, replace IC601.
Check the soldering of IC601.
If soldering has not been done
correctly, replace IC601.
Check the soldering of IC602.
If soldering has not been done
correctly, replace IC602.