XV-EV61
125
5
6
7
8
5
6
7
8
C
D
F
A
B
E
7.1.5 DSP TROUBLE SHOOTING (XV-EV61 Only)
IC8501-pin 21
Yes
No
Is output
signal "L"?
Step 1
Replace IC8501.
Replace IC8702.
Replace IC8901.
IC8901
Yes
No
Is 5V
inputting ?
Step 2
IC8902
Check CN8003 and
other assemblies.
IC8702
No
Do perform
3V
→
5V conversion
for pin 17 ?
Step 3
Pin 3
Yes
No
Is 3.3V
outputting ?
Replace IC8902.
Yes
End
Yes
Yes
Replace IC8702.
No
Do perform
3V
→
5V conversion
for pin 15 ?
Pin 5
Replace IC8702.
No
Do perform
3V
→
5V conversion
for pin 13 ?
Pin 7
Yes
Yes
No
Is 1.8V
outputting ?
Is connector
inserted tightly
?
No
Insert it tightly.
CN8007
Yes
Is connector
inserted tightly
?
No
Insert it tightly.
CN8011
Yes
End
A
XV-EV61 Type Only
• When a sound is not out in the surround mode with the digital signal input.
• Suppose C,R parts to be poor contact and that is not damaged.
• This shows failure analysis of DSP Assy.
Содержание XV-EV31
Страница 34: ...XV EV61 34 1 2 3 4 1 2 3 4 C D F A B E 3 7 DVDM ASSY 3 3 B 3 3 B 2 3 ...
Страница 50: ...XV EV61 50 1 2 3 4 1 2 3 4 C D F A B E 3 15 MIC ASSY J H P ASSY XWZ3731 O O K CN3008 JA5401 JA5402 ...
Страница 55: ...XV EV61 55 5 6 7 8 5 6 7 8 C D F A B E AUDIO SIGNAL ROUTE FL M The power supply is shown with the marked box ...
Страница 58: ...XV EV61 58 1 2 3 4 1 2 3 4 C D F A B E 3 19 PRIMARY ASSY P J3009 K 1SS133 1SS133 ...