Panasonic KX-TG7731S Service Manual page 44

KX-TG7731S/KX-TG7732S/KX-TG7733S/KX-TGA470S
10.1.6.4. TEST RANGE Check
Circuit block which range is defective can be found by the following check.
Item
Range Confirmation TX TEST
(TX Power check)
HS, BU setting
Checked unit: Low TX power (*1)
Regular unit: High TX power (*1)
Range Confirmation RX TEST
(RX sensitivity check)
HS, BU setting
Checked unit: High TX power (*1)
Regular unit: Low TX power (*1)
CHART1: Setting of TX Power and RX Sensitivity in Range Confirmation TX TEST, RX TEST
BU (Base Unit) TX Power Check
BU (Base Unit) RX Sensitivity Check
HS (Handset) TX Power Check
HS (Handset) RX Sensitivity Check
Note:
(*1) Refer to Commands (P.59).
BU (Base Unit) Check
1. Register Regular HS to BU (to be checked).
2. Set TX Power of the BU and the Regular HS
according to CHART1.
3. At distance of about 20m between HS and BU,
Link OK = TX Power of the BU is OK.
No Link = TX Power of the BU is NG.
1. Register Regular HS to BU (to be checked).
2. Set TX Power of the BU and the Regular HS
according to CHART1.
3. At distance of about 20m between HS and BU,
Link OK= RX Sensitivity of the BU is OK.
No Link = RX Sensitivity of the BU is NG.
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HS (Handset) Check
1. Register HS (to be checked) to Regular BU.
2. Set TX Power of the HS and the Regular BU
according to CHART1.
3. At distance of about 20m between HS and BU,
Link OK = TX Power of the HS is OK.
No Link = TX Power of the HS is NG.
1. Register HS (to be checked) to Regular BU.
2. Set TX Power of the Checking HS and the Reg-
ular BU according to CHART1.
3. At distance of about 20m between HS and BU,
Link OK= RX Sensitivity of the HS is OK.
No Link = RX Sensitivity of the HS is NG
BU (to be checked) Regular_HS
TX Power TX Power
Low Hig h
High Low
HS (to be checked) Regular_BU
TX Power TX Power
Low High
High Low