Genius SP-HF1255A - 1.2.5 LED indicator no light

Service Guide SP-HF1255A
11
1.2.5 LED indicator no light
Problem
Analyze
and identify
the causes
Solutions
LED indicator no light
1. PCB damaged, dry-soldered or short-circuited
2. R3 in SP-HF1255A AMP PCB defective
3. Poor connection of 1CN1 in SP-HF1255A PCB and
power switch in rear panel
4. Defective LED1 in SP-HF1255A AMP PCB
Check and replace