Rf Specification; How To Check The Handset Speaker - Panasonic KX-TCD400RUB Service Manual

KX-TCD400RU B / KX-TCD400R UC / KX-TCD400R UF / KX-A140RU B / KX-A140RU C / KX-A140RUF

16 RF SPECIFICATION

16.1. Base Unit
Item
TX Power
Modulation
Frequency Offset
RX Sensitivity
Timing Accuracy
RSSI Level
* : Refer to Adjustment (P.37)
16.2. Handset
Item
TX Power
Modulation
Frequency Offset
RX Sensitivity
Timing Accuracy
RSSI Level
** : Refer to Adjustment (P.42)

17 HOW TO CHECK THE HANDSET SPEAKER

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
More than 20 dBm ~ 25 dBm
340 kHz/div ~ 402 kHz/div
-40 kHz ~ +40 kHz
< 1000 ppm
< ± 5.0 ppm
0x34 hex ± A hex
Value
More than 20 dBm ~ 25 dBm
340 kHz/div ~ 402 kHz/div
-40 kHz ~ +40 kHz
< 1000 ppm
< ± 10 ppm
0x34 hex ± A hex
Refer to -. *
Adjustment (H)
Adjustment (I)
Adjustment (J)
Adjustment (K)
Adjustment (L)
Adjustment (M)
Refer to -. **
Adjustment (I)
Adjustment (J)
Adjustment (K)
Adjustment (L)
Adjustment (M)
Adjustment (N)
46
Remarks
Data type: Fig31
Remarks
Data type: Fig31