Panasonic KX-TC1743B Service Manual page 33

and key at the same time within 5 seconds after Power supply the portable unit. Refer to
fixation CH table, figure 1 for the
distance from the base unit and the TX signal from handset to base is very small.
Procedure: First place handset jig on base under test to charge (exchange security code); press
CLEAR and then TALK to operate. The LCD will show TALK. This means that the base unit
sensitivity is OK.
* HS JIG becomes [NORMAL POWER] mode immediately after the power supply turning on.
NOTES:
1) If when setting the handset to TEST LOW mode, if handset beeps 3 times and the LCD shows
"No link to base. Place on cradle and try again", press 2, 5, 8, 0 simultaneously and then
disconnect battery. Re-install battery, place unit on cradle to get security codes and tries again.
2) Only KX-TC1743 with marks HS JIG/BS JIG can be used for troubleshooting. However, regular
production set also can be used as a JIG.
Fixation CH
CH POWER
1CH "Lo"
3CH "Lo"
5CH "Lo"
7CH "Lo"
9CH "Lo"
11CH "Lo"
13CH "Lo"
15CH "Lo"
17CH "Lo"
19CH "Lo"
21CH "Lo"
key. This test simulates the handset is at very large
Figure 1
making key
"FLASH" + "1"
"FLASH" + "2"
"FLASH" + "3"
"FLASH" + "4"
"FLASH" + "5"
"FLASH" + "6"
"FLASH" + "7"
"FLASH" + "8"
"FLASH" + "9"
"FLASH" + " "
"FLASH" + "0"
Fig. Using TC1743 Handset-jig.
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