Sony KD-43X7 H Series Service Manual page 67

2020/12/12 02:35:59 (GMT+09:00)
2.3.4 No Picture
BKR
No Picture
No
Got Any Normal
Display? (Horizontal/
Vertical line)
Yes
Check Other
Portion:
Ext. Video Input -
No Picture
HDMI - No Picture
Tuner - No Picture
SAFETY NOTES SELF DIAGNOSTIC FUNCTION
No
Check Smart Core
Check BL_ON
LED Indication
on BKR board
(5x Blinking)
Yes BL_ON：L
Refer 5x Blinking
Troubleshooting manual
TROUBLESHOOTING
S E C T I O N 3
T R O U B L E S H O O T I N G
BL_ON：H
Replace
the V by One FFC
Harness
System
Recover
V by One FFC
Backlight
Harness
SERVICE ADJUSTMENT
NG NG
Replace
BKR Board
System
Recover
Main board NG
NG
DIAGRAMS PANEL HANDLING
NG
Replace
LCD Panel
TCON Board
(O-cell) NG
System
Recover
TCON board
NG
FACTORY DATA RESET
67
SYS SET