Standby Led Blinking - Sony KLV-28R412B Service Manual

3-3. Standby LED Blinking

3-3-1. 2 times blinking
-ve
Ensure that
+ve probe is
touching the
Figure 1: How to check adaptor's output
voltage.
2 times Blinking
Check DC voltage at
+ve
needle.
Take out adaptor
and check the output voltage.
(Refer Figure 2)
B-Board
Yes
JL6001
19V - 19.5V?
No
Adaptor
Yes
19V – 19.5V?
No
Change adaptor
R410/412/413/420/422/423/424/425/426/427/428/430/433/435/
450/453/455/470/472/473/475/477/478/480/483/485/M5/M10B
Change B-board
Change B-board
B*Board Type:
B* Board Type
Size
PAN ASIA, CHINA EUROPE, AMERICA
28" BIS
32" BIS
40" BIS
48" BIS
ITC3
CHASSIS
-
BIL
BIL
BIL
13