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AVH-P5050DVD/XN/RC
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5.3 DIAGNOSIS FLOWCHART
Is the image
in error?
Go to FE related
repair process.
Is FE section
normal?
BACK END section flow
Can the
playback
start?
Is the sound
in error?
Repair the
defective part.
Normal?
NO
YES
NO
YES
YES
YES
YES
YES
YES
Go to FE
section check.
YES
YES
NO
NO
NO
NO
NO
NO
NO
FE section check.
Go to FE
section check.
NO
NO
NO
Replace the unit.
YES
YES
Go to FE
section check.
NO
YES
YES
NO
START
END
NO
NO
NO
NO
Replace the unit.
YES
Normal?
YES
NO
END
NO
YES
YES
YES
YES
YES
Does the
operation
take time?
Is the life of flash
memory OK?
Conduct check item 12.
Standby OK?
Execute check 1.
Is VDD5
(VCC33, VCC12)
power supply
voltage OK?
Execute
check 2.
Reset OK?
Execute check 3.
Is VD8, VCC5
power supply
voltage OK?
Execute check 7.
Is SDRAM
IF OK?
Execute check 6.
Is VSENS
OK?
Execute check 4.
Is 27 MHz
OK?
Execute check 5.
Is AVCC5
voltage OK?
Execute check 8.
Is DACCLK
normal?
Execute check 9.
Is the audio
circuit OK?
Execute check 10.
Is the video
circuit OK?
Execute check 11.
Is AVCC5
voltage OK?
Execute check 8.
Содержание AVH-P5050DVD
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