TROUBLE SHOOTING
A
VIDEO
Confirm the signal at pin 3 of IC053.
No
Then check around JK310.
B
Yes | Then check around IC053. |
|
NAVI
Confirm the signal at pin 1,9,14 of IC051 and pin 5 of IC054.
No
NAVI BLOCK
E
DVD
Confirm the signal at pin 8,11,16 of
Yes
Yes
Then check around IC051 and ICO54.
IC051 and pin 3 of IC054.
No
DVD BLOCK
Then check around IC751, IC701,Q754,Q755 and Q756.
Then check around IC051 and ICO54.
Confirm connecti on of SP is correct.
Yes
Confirm CS051and CS402 are inserted correctly.
Yes
Confirm the signal at pin 13,24 of IC270.
No
Confirm t he signal at pin 5,8 of IC270.
No
Confirm pin 9,10 of IC250 is changed correctly by mode.
| Yes |
|
|
C VIDEO | MODE? | NAVI | D |
|
| DVD | F |
|
|
|
No
No
Yes
Yes
No
Then connect correctly.
Then insert CS051and CS402 correctly.
Then check around IC270 and JK270.
Then check around IC270.
Then check around IC501 and 250.
pin10 | pin9 | MODE |
H | L | NAVI |
L | H | VIDEO |
H | H | DVD |
_ 26 _