Read Sony KV-J25MF8J Service Manual online
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SECTION 4
SELF DIAGNOSIS FUNCTION
If no acknowledgement is returned from a device which is turned "ON", the device has a problem.
In this case, one of the LED's responding to the problem device will flicker a defined number of times.
The flickering frequuncy responding to each failed device is shown below.
Board name
A Board
A Board
A Board
A Board
Ref. No
IC003
IC1201
IC104
IC206
Device
NONVOLA-
AV SWITCH
MAIN Y/C
AUDIO
TILE
(CXA1855S)
(CXA2050S)
PROCESSOR
MEMORY
(TDA8424)
Flickering
Frequency
1
2
3
6
All the device are checked one after another from the left on the table.
If an error is found, the responding LED will start flickering.
So, if more than 2 device are failed, the one on the left side will start flickering first.
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