Rf Specification; Base Unit; Handset; How To Check The Handset Speaker Or Receiver - Panasonic KX-TGD320ALB Service Manual

KX-TGD320ALB/KX-TGD322ALB/KX-TGD323ALB/KZ-TGDA30AZB

11.7. RF Specification

11.7.1. Base Unit

Item
TX Power
Modulation
Frequency Offset
RX Sensitivity
Power RAMP
*: Refer to Check Point (Base Unit) (P.40)

11.7.2. Handset

Item
TX Power
Modulation
Frequency Offset
RX Sensitivity
Power RAMP
**: Refer to Check Point (Handset) (P.42)

11.8. How to Check the Handset 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.
Value
18.5 dBm ~ 25 dBm
-350 ± 50/+350 ± 50 kHz/div
<±20 kHz
< 1000 ppm
Power RAMP is matching
Value
19 dBm ~ 25 dBm
-350 ± 50/+350 ± 50 kHz/div
<±20 kHz
< 1000 ppm
Power RAMP is matching
SPEAKER:
Is the value between
(+) terminal and (–) terminal about 8 Ω?
RECEIVER:
Is the value between
(+) terminal and (–) terminal about 40 Ω?
YES
OK
Handset speaker (receiver)
62
Refer to -. *
Check Point (Base Unit) (H)
Check Point (Base Unit) (I)
Check Point (Base Unit) (J)
Check Point (Base Unit) (K)
Check Point (Base Unit) (L)
Refer to -. **
Check Point (Handset) (I)
Check Point (Handset) (J)
Check Point (Handset) (K)
Check Point (Handset) (L)
Check Point (Handset) (M)
NO
NG
Replace the speaker
(receiver).
Digital Voltmeter