How To Check The Portable Speaker Or Receiver; Frequency Table (Mhz) - Panasonic KX-TG9471B Service Manual

Digital corded/cordless answering system
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KX-TG9471B/KX-TG9472B/KX-TGA939T

11.9. How to Check the Portable Speaker or 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.

11.10. Frequency Table (MHz)

SPEAKER:
Is the value between
(+) terminal and (–) terminal about 8 Ω?
RECEIVER:
Is the value between
(+) terminal and (–) terminal about 150 Ω?
YES
OK
Ch. (hex)
Channel 0
00
Channel 1
01
Channel 2
02
Channel 3
03
Channel 4
04
Channel 5
05
Channel 6
06
Channel 7
07
Channel 8
08
Channel 9
09
NO
NG
Replace the new
speaker (receiver).
Handset speaker (receiver)
Digital Voltmeter
TX/RX Frequency (MHz)
1928.448
1926.720
1924.992
1923.264
1921.536
1919.808
1918.080
1916.352
1914.624
1912.896
70

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