Sony KDL-32W700B / KDL-42W700B / KDL-42W800B / KDL-42W805B / KDL-50W700B / KDL-50W790B / KDL-50W800B / KDL-50W805B / KDL-50W807B / KDL-55W700B / KDL-55W790B / KDL-55W800B / KDL-55W805B / KDL-55W807B Service Manual ▷ View online
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L
117
RB2G CHASSIS
W700B/ W800B
Troubleshooting
BAX Probing Points
BAX (B-Side)
JL9105
(BL_ON)
BAX PROBING POINTS
BAX BOARD (Side B)
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L
118
2.6 - SIDE BUTTONS MALFUNCTION
RB2G CHASSIS
W700B/ W800B
Troubleshooting
2-7 Side Buttons Malfunction
2-7. Side Buttons Malfunction
OK
Side Key button
malfunction
H
S it h U it
Harness connection
Change Switch
Unit
Switch unit issue
OK
NG
OK
Harness on Switch Unit
and B* Board properly connected
Change
Harness connection
issue
NG
OK
Change
Switch unit-B* board Harness
Harness issue
NG
Change B* Board
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L
119
2.7 *
RB2G CHASSIS
W700B/ W800B
Troubleshooting
2-8 *
6.1 IR REMOTE COMMANDER MALFUNCTION
2-8.
IR do not response to
Remote Commander
Remote control battery
could be weak.
Center white LED
lit up when remote is
control is pressed
Check whether center
white LED blink ,when using
Note:
Blue line/font
for HM segment
Blue line/font
for HM segment
Change battery.
control is pressed
commander near the sensor
windows
Harness on H-board
d B* B
d
Harness connection
and B* Board
properly connected
Change
H‐B* board harness
issue
H-B* board Harness
issue
Change Smart Core
or
OK
Smart core issue
or
H board issue
Change B* Board
H-board
H‐board issue
NG
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L
120
2.8 *
RB2G CHASSIS
W700B/ W800B
Troubleshooting
2-9 *
6 2 Light Sensor
2-9.
Backlight doesn’t change
6.2 Light Sensor
Error
Backlight doesn t change
when ambient lighting
level changed
Check UI setting for light
Sensor. Make sure it is “on”
Change the UI setting
to “:ON”
OK
H
H b
d
d
Harness connection
NG
User did not activate light
sensor function
OK
OK
Harness on H-board and
B* Board properly connected
Harness connection
issue
Change
NG
OK
S
t C
i
Change
H-B* board Harness
Smart Core issue
Change Smart Core
OK
H‐B* board harness
NG
Change B* Board
Change Smart Core
issue
NG
Click on the first or last page to see other KDL-32W700B / KDL-42W700B / KDL-42W800B / KDL-42W805B / KDL-50W700B / KDL-50W790B / KDL-50W800B / KDL-50W805B / KDL-50W807B / KDL-55W700B / KDL-55W790B / KDL-55W800B / KDL-55W805B / KDL-55W807B service manuals if exist.