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SERVICE SONY


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Diagnosis and treatment service chassis SONY BE-3B.

Diagnosis and repair of modern TVs with I2C bus
impossible
with virtually no knowledge of the error codes and modes of service
troubleshooting
types. The information in this article will help information effectively
and quickly
find and eliminate defects inherent to the model Sony
KV-M2540 (41) K with BE-3B chassis.

The program is self-BE-3.

Translated into the identification of errors using BE-3 to befall
one of two cases:
1. The bus is busy.
2. The device responds to the command is incorrect.
In the event of one of these situations the program
try,
First, the bus release if it is busy (in the case of failure
will
informed of this by blinking indicator LED continuous)
and then
contact with every device to be relevant to
check
them to be defective. If the defective unit is found, the number of his
will be shown on a series of flashes Side
(see transcript. Table. 5), thus claimed error
nonfatal.
If you find an error fatal, the receiver is able to simply
remains,
where was he when the error happened, and if not
fatal error, the receiver will try to continue the work.
TABLE 5

Sony

Recommendations for repair.

These tips only for those vehicles are needed in any scheme
not entered yet
provided changes.

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Devices and models KV- M2541K KV- M2540K.

Symptom: no raster, high voltage and the sound device in
mode "Stand-by" remains.
Cause: damage bit reload chip IC002pamyati,
A fee, ST24C16CM1-TR / A (9- 759-277-89).
Solution: First of all, should try to carry out the procedure
reboot
memory chips without her shift. It is necessary for this jumper
put on
A board - track 9 CN001-7 connector to ground (A slant board
opposite contact 1, 9 - upper row). 2

WARNING!

Installation protect jumper clears!
then he should
Connect the serial console with the following command

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