Sony KDL-40SL140 Training Manual page 34

1) All Red Blink patterns will occur on the Front
Panel Red "Timer/PIC OFF" LED
2) All voltage are measured prior to unit shutdown
3) Confirm all connections between circuit boards
before replacing
CTV-51
NOTES:
Reference Figure 3-1 & 3-2
for Test Point Locations
4X Blink Pattern
(D3.3V LVP)
Check connection between
IP5Z & BM5 Brds
Is
No Repair
connection
Connection
OK?
Yes
Replace
BM5-Board
KDL-40, 46SL140 Protection Mode
C2
Troubleshooting Flowchart C 2
Primary – Mostly Defect
▲
Unit Shuts OFF
Secondary – Possible Defect
■
RED LED
Last Resort – Improbable Defect
Blinking
Check connection between
Triage Charts & Troubleshooting Flowcharts
5X Blink Pattern
(Panel 12V LVP)
IP5Z & BM5 Brds
Is
Repair
No
connection
Connection
OK?
Yes
Replace
BM5-Board
33