Sony DWT-B30, Руководство по обслуживанию

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2-2 (E)
DWT-B30
2-1-3. Radio Wave Is Not Output
.
Main line
.
2.4 GHz remote
Refer to “4-2-4. RF Remote Performance Check”.
Connect the power meter to the
output of this unit and perform
the measurement.
Is the output as specified?
Additionally tighten the
antenna connector.
Check the tightening of the
antenna connector.
Is it loose?
Connect the power meter using the coaxial conversion
connector (SMA-HSC) to the coaxial connector (CN880)
on the TX-172 board and perform the measurement.
Is the output as specified?
START
No
Yes
No Yes
Replace the TX-172 board.
(Failure of RF circuit )
Possible causes
1) Coming off of wire material or disconnection:
Check CN880 (TX-172 board)/CN1001 (CN-4088 board).
2) Failure of CN-4088 board:
Replace the CN-4088 board. (Refer to Section 3-2-6.)
Check the following possible
causes and replace the parts.
Yes
No
Replace the antenna.
(Disconnection)
(Refer to Section 6.)
&
Replacement procedure of TX-172 board:
Refer to Section 3-2-4.