How To Check The Handset Receiver - Panasonic KX-TG3711BXB Service Manual

Telephone equipment
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12.9. How to Check the Handset Receiver

1. Prepare the digital voltmeter, and set the selector knob to ohm meter.
2. Put the probes at the speaker terminals as shown below.
SPEAKER:
Is the value between
(+) terminal and (–) terminal about 8 ?
RECEIVER:
Is the value between
(+) terminal and (–) terminal about 34 ?
YES
OK
Handset speaker (receiver)
59
KX-TG3711BX/KX-TG3712BX/KX-TG3719BX/KX-TGA371BX
NO
NG
Replace the speaker
(receiver).
Digital Voltmeter

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