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KDS-50A2000/50A2010/55A2000/60A2000/60A2010
K
RM-YD010 RM-YD010 RM-YD010 RM-YD010 RM-YD010
SECTION 1
SELF DIAGNOSIS FUNCTION
1. Summary of Self-Diagnosis Function
- This device includes a self-diagnosis function.
- In case of abnormalities, the POWER indicator automatically blinks. It is possible to
predict the abnormality location by the number of blinks. The Instruction Manual
describes blinking of the POWER 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 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.
Defected symptoms
La
Temp. over
mp cover
3
2 times
times
- L
-The periphery of lamp
heats up abnormally
amp cover is not
attached securely.
Diagnosis Item
Number of times
POWER
indicator blinks
Probable Cause
Location
Lamp driver
5 times
- Lamp driver is faulty.
- No picture/No sound
Power error
6 times
- D5V is not
supplied.
- No picture/No sound
- Lamp for the light
source burns out.
- No picture/No sound
- Speaker line is shorted.
Power OVP
8 times
-7V is over voltage.
- No picture/No sound
Fan error
4 times
- Fan1 power is not
supplied.
- Fan connector is not
attached securely.
- No picture/No sound
Lamp error
LAMP-LED flashes
- No picture/No sound
Audio prot
7 times
- No picture/No sound
- No picture/No sound
Temperature sensors,
Bus decoder ICs
(IC1700, 1800, 1900,
5066, 2305)
IC6402
Device error
9 times
-No picture