Sanyo NV-E7000 Service Manual page 27
Portable dvd navigation system
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Also See for NV-E7000:
- Installation and operation manual (110 pages) ,
- Service manual (7 pages) ,
- Supplementary manual (3 pages)
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TROUBLE SHOOTING
Confirm the signal at pin 3 of IC053.
Then check around JK310.
Confirm the signal at pin 1,9,14 of
IC051 and pin 5 of IC054.
NAVI BLOCK
Confirm the signal at pin 8,11,16 of
IC051 and pin 3 of IC054.
Then check around IC751,
IC701,Q754,Q755 and Q756.
NO SOUND
Confirm connecti on of SP is correct.
Confirm CS051and CS402 are
inserted correctly.
Confirm the signal at pin 13,24 of IC270.
Confirm t he signal at pin 5,8 of IC270.
Confirm pin 9,10 of IC250 is changed
correctly by mode.
VIDEO
C
A
VIDEO
No
B
NAVI
No
E
DVD
No
DVD BLOCK
Yes
Yes
No
No
Yes
NAVI
MODE?
DVD
Yes
Then check around IC053.
Yes
Then check around
IC051 and ICO54.
Yes
Then check around IC051 and ICO54.
No
Then connect correctly.
No
Then insert CS051and CS402
correctly.
Yes
Then check around IC270 and JK270.
Yes
Then check around IC270.
No
Then check around IC501 and 250.
pin10 pin9
H
L
D
H
F
_
_
26
MODE
L
NAVI
H
VIDEO
H
DVD
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