Pioneer X-EM11V Service Manual page 18

1
A [7] No picture (DVD)
[COMPOSITE]
Is sound output?
Yes
Check the output from Pin 69 of U901. (Fig. 13)
Yes
Check the output from XP905 (VIDEO). (Fig. 13)
B
i U901 - pin 69 (V_CVBS), XP905 (VIDEO)
V: 0.2 V/div. H: 20 μs/div.
<Input signal: COLOR BAR>
i
C
Fig. 13 Waveform
[COMPONENT]
Is sound output?
Yes
Check the output from Pins 73 (Y), 74 (Pb/Cb),
75 (PR/Cr) of U901. (Fig. 14)
D
Yes
Check the output from XP905 (Y, Pb/Cb, Pr/Cr).
(Fig. 14)
j U901 - pin 73 (V_G/Y), XP905 (Y)
V: 0.5 V/div. H: 20 μs/div.
k U901 - pin 74 (V_B/U), XP905 (Pb/Cb)
V: 0.5 V/div. H: 20 μs/div.
l U901 - pin 75 (V_R/V), XP905 (Pr/Cr)
V: 0.5 V/div. H: 20 μs/div.
<Input signal: COLOR BAR>
E
j
k
l
Fig. 14 Waveform
F
18
1
2
No
To the flowchart "Operations with a DVD or CD
not possible".
No
U901 (SPHE8202RQ) is defective.
Replace the MAIN Assy.
No
L909 or D910 or XP905 (VIDEO) is defective.
Replace the MAIN Assy.
No
To the flowchart "Operations with a DVD or CD
not possible".
No
U901 (SPHE8202RQ) is defective.
Replace the MAIN Assy.
L907 or D908 or XP905 (Y), L908 or D909 or
No
XP905 (Pb/Cb), L906 or D907 or XP905 (Pr/Cr)
is defective. Replace the MAIN Assy.
X-EM21V
2
3
3
4
4