(Supplementary
information)
TV Business Division
20
3.2 : 2x Blinking – Main Power Error
LD Board
2 times
Blinking
Change LD-
Board
LD-Board
Check DC voltage at
Q1002
18V – 20V?
*Typical: 19.5V
Yes
No
Change LD-
board
Change
Adaptor
No
Adaptor
Take out adaptor
and check the output voltage.
18V – 20V?
(Refer Figure 1)
*Typical: 19.5V
Yes
Figure 1: How to check adaptor’s output voltage.
+ve
-ve
Ensure that +ve
probe is touching
the needle.
SYS SET
2018/05/04 04:12:02 (GMT+09:00)
Summary of Contents for KD-43X7 F Series
Page 2: ...SERVICE MANUAL COMMON LCD TV GN4UN CHASSIS Segment CHL SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 10: ...1 8 FFC Handling Caution 10 SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 11: ...11 1 9 Solder less Tuner Replacement SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 31: ...31 3 6 6x Blinking backlight error SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 139: ...CHL Block Diagram 4K BB8 BB9 PWB for EU 139 SYS SET 2018 05 04 04 12 02 GMT 09 00 ...