Panasonic KX-TG9331BXT Service Manual page 59

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 Mode:
[Test Link Mode] (*1)
Range Confirmation RX TEST
(RX sensitivity check)
HS, BU Mode:
[Test Link Mode] (*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) Adjustment and Test Mode Flow Chart (P.41)
BU (Base Unit) Check
1. Register Regular HS to BU (to be checked).
2. Set BU to "Test Link mode".
3. Set Regular HS to "Test Link mode".
*Set TX Power and RX Sensitivity of the BU and the
Regular HS by CHART1.
* At distance of about 5 m 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 BU to "Test Link mode".
3. Set Regular HS to "Test Link mode".
*Set TX Power and RX Sensitivity of the BU and Regular
HS by CHART1.
* At distance of about 5 m between HS and BU,
Link OK= RX Sensitivity of the BU is OK.
No Link = RX Sensitivity of the BU is NG.
TX Power
High
High
TX Power
High
High
1. Register HS (to be checked) to Regular BU.
2. Set Regular BU to "Test Link mode".
3. Set HS to "Test Link mode".
*Set TX Power and RX Sensitivity of the HS and the
Regular BU by CHART1.
* At distance of about 5 m 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 Regular BU to "Test Link mode".
3. Set HS to "Test Link mode".
* Set TX Power and RX Sensitivity of Checking_HS and
Regular_BU by CHART1.
* At distance of about 5 m 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)
RX Sens.
High
High
HS (to be checked)
RX Sens.
High
High
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KX-TG9331BXT/KX-TGA931BXT/KX-TGA930BXT
HS (Handset) Check
Regular_HS
TX Power RX Sens.
High Low
Low High
Regular_BU
TX Power RX Sens.
High Low
Low High