Sony KD-43X7 H Series Service Manual page 23

2020/12/12 02:35:59 (GMT+09:00)
2.1.3 : 2x Blinking – Main Power Error
LD Board
2 times
Blinking
SAFETY NOTES SELF DIAGNOSTIC FUNCTION
T R O U B L E S H O O T I N G
LD-Board
Check DC voltage at No
Q1002
18V – 20V?
*Typical: 19.5V
Yes
Change LD-
board
TROUBLESHOOTING
S E C T I O N 3
Adaptor
Take out adaptor
No
and check the output voltage.
18V – 20V?
(Refer Figure 1)
*Typical: 19.5V
Yes
Change LD-
Board
SERVICE ADJUSTMENT
Change
Adaptor
Figure 1: How to check adaptor's output
voltage.
DIAGRAMS PANEL HANDLING
-ve
+ve
Ensure that
+ve probe is
touching the
needle.
23
FACTORY DATA RESET
SYS SET