04TV004R1
KE-42MR1, KE-50MR1, KLV-30MR1, MBT-MR1, MBT-MRL1 BC
Subject IRIS
Intermittently No Picture and No Sound [REVISION 1] 1553
SYMPTOM
• Intermittently no picture and no sound.
• Intermittent click noise or sound off.
CAUSE
• The signal contents from the broadcaster may cause the picture and the sound to be lost during a few seconds.
• The click noise may occur if the NICAM demodulator detects too many data errors.
SOLUTION
Replace IC6021 on the TU Board of the Media Box with the new version "M27W201-80K6-MR1-06" (9-948-020-28)
or higher.
Flag Symptom
code
Part
number
Ref. Section
code
PCB Defect
code
Repair
code
Qty.
1 1553 9-948-020-28 IC6021 MEM TU 1 2 1
MR1
