DVH-335UB/XNRC
27
5
6
7
8
5
6
7
8
C
D
F
A
B
E
5.3 DIAGNOSIS FLOWCHART
BACK END section flow
Standby
OK?
Execute
check 1.
Can the
playback
start?
NO
YES
YES
YES
YES
YES
YES
YES
YES
YE
S
YES
YES
YES
NO
NO
NO
NO
NO
YES
YES
YES
NO
YES
YES
NO
START
END
END
YES
NO
NO
NO
NO
NO
YES
YES
NO
NO
NO
YES
NO
NO
NO
YES
YES
NO
YES
Does the
operation
take time?
Go to FE
section check.
Go to FE
section check.
Is the life of flash
memory OK?
Conduct check item 12.
Is the image
in error?
Is the video
circuit OK?
Execute check 11.
Is AVCC5
voltage OK?
Execute check 8.
Replace the unit.
Is VDD5(VCC33, VCC12)
power supply voltage OK?
Execute check 2.
Reset OK?
Execute check 3.
Is VSENS
OK?
Execute check 4.
Is 27 MHz
OK?
Execute check 5.
Is 48 MHz OK?
Execute check 13.
Replace the unit.
Replace the unit.
Go to FE
section check.
Go to FE
section check.
Is VD8, VCC5
power supply
voltage OK?
Execute check 7.
Is SDRAM
IF OK?
Execute check 6.
Is the sound
in error?
Is the USB play
in error?
Is AVCC5
voltage OK?
Execute check 8.
Is DACCLK
normal?
Execute check 9.
Is the audio
circuit OK?
Execute check 10.
Repair the
defective part.
Normal?
Normal?
Is FE section
normal?
Go to FE related
repair process.
Is the USB
circuit OK?
Execute check 14.
Содержание DVH-335UB/XNRC
Страница 17: ...DVH 335UB XNRC 17 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 45: ...DVH 335UB XNRC 45 5 6 7 8 5 6 7 8 C D F A B E Side A COMPOSITE GNDV Fig 11 3 VIDEO signal check point ...
Страница 48: ...DVH 335UB XNRC 48 1 2 3 4 1 2 3 4 C D F A B E Side A DGND1 IC1501 50pin Fig 13 3 48 MHz check point ...
Страница 50: ...DVH 335UB XNRC 50 1 2 3 4 1 2 3 4 C D F A B E Side A SCLOCK SDATA D CP_ RESET D DGND2 ...
Страница 56: ...DVH 335UB XNRC 56 1 2 3 4 1 2 3 4 C D F A B E 5 5 CONNECTOR FUNCTION DESCRIPTION ...
Страница 66: ...DVH 335UB XNRC 66 1 2 3 4 1 2 3 4 C D F A B E 1 Have a specified part Handling OK Handling NG How to have it ...
Страница 82: ...DVH 335UB XNRC 82 1 2 3 4 1 2 3 4 C D F A B E 9 2 EXTERIOR 1 B ...
Страница 84: ...DVH 335UB XNRC 84 1 2 3 4 1 2 3 4 C D F A B E 9 3 EXTERIOR 2 A 601 A B B A ID ...
Страница 88: ...DVH 335UB XNRC 88 1 2 3 4 1 2 3 4 C D F A B E A GEM1045 B GEM1038 C GEM1024 A C C A A C C C C C A A ...
Страница 89: ...DVH 335UB XNRC 89 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 107: ...DVH 335UB XNRC 107 5 6 7 8 5 6 7 8 C D F A B E ...