Sony KE-42M1 Service Manual page 29

Defect: 10. Sustain (Horizontal Stripe) Short
Symptom: Combined or adjacent lines are Short in
Sustain direction. The lines appear brighter than
others at Ramp gradation pattern or low gradation
pattern.
Cause:
(1) Manufacturing: Panel electrode short/Foreign
material
(2) Parts: Board/Connector/Pin defect
(3) Operation : Connecter/Assembling error
Defect: 11. Dielectric material layer damage
Symptom: Burn caused by the damage of Address
Bus dielectric layer appears in the panel
discharge/non-discharge area. Also Open/Short
occurs by the damage of Address/Sustain printout.
<Add Block and Line Open>
<Add and Sus Open>
Cause:
Layer uneveny/Abnormal voltage/Foreign material/
Repair failed
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