Read Sony KDL-60W840B / KDL-60W850B / KDL-60W855B / KDL-60W857B / KDL-60W858B / KDL-70W830B / KDL-70W840B / KDL-70W850B / KDL-70W855B / KDL-70W856B / KDL-70W857B Service Manual online
RB2G
CHASSIS
W830B/ W840B/ W850B/ W855B
W856B/ W857B
Troubleshooting
3-9. 3D-Glasses(Active) malfunction
*(2) BT Active 3D glasses doesn’t work
<2 8V
Replace to New Battery and try again.
(use CR2025 only.)
Check 3D-Glasses
Battery voltage is
>2.8V?
Battery voltage is
>2.8V?
<2.8V
Restart TV. Power-off 3D-Glasses
and TRY registration again with
50cm distance.
and TRY registration again with
50cm distance.
Registered
Interference from other
devices.
devices.
Check if 2.4GHz devices are used or not?(ex.
WiFi, other bluetooth devices, microwave,
cordless phone,....)
WiFi, other bluetooth devices, microwave,
cordless phone,....)
Cannot Register
Check another 3D-Glasses and
re register
re register
NG
Change to another
environment and try
environment and try
NG
Confirm BT (Bluetooth) malfunction
trouble shooting flow
re-register.
OK
environment and try
registration again.
registration again.
OK
trouble shooting flow.
3D-Glasses NG.
Very strong interference on that spot.
25
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