Read Sony KDL-32W700B / KDL-32W705B / KDL-32W706B / KDL-42W700B / KDL-42W705B / KDL-42W706B / KDL-42W708B / KDL-42W800B / KDL-42W805B / KDL-42W807B / KDL-42W815B / KDL-42W817B / KDL-42W828B / KDL-42W829B / KDL-50W700B / KDL-50W705B / KDL-50W706B / KDL-50W790B / KDL Service Manual online
RB2G
CHASSIS
W700B/ W705B/ W706B/ W707B/ W708B/ W790B
W800B/ W805B/ W807B/ W808B/ W815B/ W817B/ W828B/ W829A
W855B/ W857B
22
Troubleshooting
3-4-2. NO PICTURE: (All Model)
No Picture
Is blue picture
on display?
(Factory SW
is booted)
No
Yes
Replace
the LVDS FFC
Harness
LCD Panel
(T-CON)
LVDS FFC
Harness
NG
Check
BL_ON at JIG LAND
on the B* Board
BL_ON：H
BAXL Board NG
Replace Harness
between G-Board/
LD-Board
to B-Board
Replace G-Board/LD-Board to
B-Board Harness
NG
BL_ON：L
Change
B-Board
Change G-Board
/ LD board
NG
Check
PANEL_VCC
at JIG LAND
at JIG LAND
on the B* Board
No
G-Board or
Adaptor NG
Yes
PANEL_VCC = +12V
HE,HM (BAX-L): JL9132
HE,HM (BAX-L): JL9132
Symptom
improvement
improvement
Symptom
improvement
improvement
Symptom
improvement
improvement
・
BAXL
Board is OK.
Check:
Tuner –
No Picture
HDMI –
No Picture
Ext. Video
Input -
No Picture
BL_ON (L or H): JL9105
<BAXL- B SIDE>
Parts
Location/Parts
Detail
(1)
(JL9132
(PANEL_VCC)
(2)
JL9105
(BL_ON)
JL9132
(PANEL_VCC)
JL9105
(BL_ON)
Note :
-B* Board – BAXL Board
-G*Board- Not applicable
-B* Board – BAXL Board
-G*Board- Not applicable
1
2
Click on the first or last page to see other KDL-32W700B / KDL-32W705B / KDL-32W706B / KDL-42W700B / KDL-42W705B / KDL-42W706B / KDL-42W708B / KDL-42W800B / KDL-42W805B / KDL-42W807B / KDL-42W815B / KDL-42W817B / KDL-42W828B / KDL-42W829B / KDL-50W700B / KDL-50W705B / KDL-50W706B / KDL-50W790B / KDL service manuals if exist.