Sony KLV-MR30M1 Service Manual page 4

DIAGNOSIS
(Reliability Self Diagnostic Display Specifications for MEDIA RECEIVER)
The abnormal conditions are indicated by the following LED flashes.
LED Status
• ⇔ • flashes alternately
POWER/STBY
Flashes (1Hz)
• Flashes four times
• Flashes six times
• Flashes nine times
Panel Flashes (1Hz)
This unit has the following self diagnostic function. Refer to this table to identify a defective point in case of
any malfunction.
Problem
Mediabox
Digital 3.3V malfunction
Defective for cable
connection
Panel PANEL ALARM
Defective for cable connection
Fan malfunction
Power protector operation
* Operation count is based on WDT.
* For flashes, the Power/Standby LED flashes in red.
* The flash period is based on the reliability standard.
MEDIABOX
-
-
-
+3.3V malfunction
PANEL malfunction
Defective for cable connection
Shut down when Digital 3.3V becomes equal or under 0V.
The both White and Black interface cables are not connected with the panel.
The both White and Black interface cables are not connected with the MEDIABOX.
PANEL
PANEL ALARM (Not available for re-start)
Defective for cable connection
Defective for power voltage of fan, fan protection
Power protection on G board detected
-
-
Symptom
KLV-MR30M1 (CH) 4