Sangean WR-11, Service Manual

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(3) Bluetooth cannot be turned on
Note: Check smartphone or tablet whether the bluetooth function is turned on,
smartphone or tablet bluetooth should be searched for SANGEAN WR-11
Check whether the bluetooth module No
◎
Check whether the Q21 is normal,
Is normal. must have voltage is 3.3Vdc.
bluetooth LED should be flash.
◎
Check whether Q22 and Q20 is turned
Yes
on.
Check whether the bluetooth
◎
nodule
pin21 have voltage is 3.3Vdc.
Check whether the NFC is normal.
Check whether the bluetooth
◎
module
pin14 have voltage is 3Vdc.
Check whether the IC2 is normal,
◎
must have voltage is 3.3Vdc.
(4)
Bluetooth cannot sound output
Note: Only support Bluetooth version 2.1 or later version
smartphone or tablet bluetooth must connected to SANGEAN WR-11
Check whether the IC20 is normal, No Check whether the R42 is normal,
pin8 must have voltage is 3.3Vdc. must have voltage is 3.3Vdc.
Yes
Check whether the IC21 is normal, Check whether the R34 is normal,
pin5 must have voltage is 3Vdc. must have voltage is 3.3Vdc.
Yes
Check whether the IC21 is normal, No Check whether the IC20 is normal,
pin1 must have audio output. pin1&7 must have audio output.
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