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Self Diagnosis Function - Sony KF-E42A10 Service Manual

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KF-E42A10/E50A10
RM-GA004 RM-GA004
1. Summary of Self-Diagnosis Function
- This device includes a self-diagnosis function.
- In case of abnormalities, the POWER/STANDBY indicator automatically blinks. It is
possible to predict the abnormality location by the number of blinks. The Instruction
Manual describes blinking of the POWER/STANDBY indicator.
- If the symptom is not reproduced sometimes in case of a malfunction, there is recording of
whether a malfunction was generated or not. Operate the remote command to confirm the
matter on the screen and to predict the location of the abnormality.
2. Diagnosis Items and Prediction of Malfunction Location
- When a malfunction occurs the POWER/STANDBY indicator only blinks for one of the
following diagnosis items. In case of two or more malfunctions, the item which first
occurred blinks. If the malfunctions occurred simultaneously, the item with the lower
blink count blinks first.
- The screen display displays the results regarding all the diagnosis items listed below.
The display "0" means that no malfunctions occurred.
Diagnosis Item
Lamp temp. over
La
mp cover error
Fan stopped
Lamp driver error
Low B error
Lamp error
SECTION 1

SELF DIAGNOSIS FUNCTION

Number of times
POWER/STANDBY
indicator blinks
2 times
- Lamp cover is not
3
times
attached securely.
- Fan1, Fan2, F an 3, Fan
4 or Fan 5
supplied.
4 times
- Fan connector is not
attached securely.
- Lamp driver is faulty.
5 times
- B_12V is not
6 times
supplied.
- Lamp for the light
LAMP-LED flashes
source burns out.
– 10 –
Probable Cause
Defected symptoms
Location
- No picture/No sound
power is not
- No picture/No sound
- No picture/No sound
- No picture/No sound
- No picture/No sound

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