Sony KD-43X7 H Series User Manual

SECTION 3
TROUBLESHOOTING
19
2.1.2 PSU trouble shooting flow
START
AC connect (80~288V)
Can TV power on?
F6101
Fuse OPEN check
Replace Power Supply
Replace Power Supply
No
STBY output check
(3.35~3.55V)
*PIN 5 CN6401
Yes
Case 1
No
No
Yes
Power ON
Input check
(~3.3V)
*PIN 9 CN6401
No
Yes
RC can turn TV ON?
Yes
12V output check
(12.2~13.2)
*PIN 13~18 CN6401
Case 2
Main board problem
No
Replace Power Supply
No
BL_ON active HIGH
(~3.3V)
*PIN # refer appendix
Yes
No
LED output check
(*Depends on PSU type)
*PIN 2 or 5 CN6801
Yes
Case 3
Main board problem
BL_ERR level check
(~2.8V)
*PIN 8 CN6401
Yes
Replace Power Supply
Power Supply
working normal
No
No
Case 4
*refer to Appendix
SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAMS PANEL HANDLING FACTORY DATA RESET
SYSSET
2020/12/1202:35:59(GMT+09:00)

Sony KD-43X7 H Series Specifications

General

Brand	Sony
Model	KD-43X7 H Series
Category	LCD TV
Language	English