Panasonic KX-TG3521BXB Service Manual page 61

10.1.4.3. Check Table for RF part
No. Item
1 Link Confirmation Normal
HS, BU Mode [Normal Mode]
2 Control signal confirmation
HS, BU Mode: [Test Burst Mode] (*1)
3 X'tal Frequency confirmation (*7)
HS, BU Mode: [Adjustment] (*3)
4 TX Power confirmation
Regular HS, BU Mode:
[RX-CW Mode.] (*4)
HS, BU (to be checked) Mode:
[Test Burst Mode.] (*1)
5 RX Sensitivity confirmation
Regular HS, BU Mode:
[Test Burst Mode.] (*1)
HS, BU (to be checked) Mode:
[RX-CW Mode.] (*4)
6 Range Confirmation Normal
HS, BU Mode: [Normal Mode]
Note:
(*1)(*3)(*4) Test Mode (P.40)
(*2) RF-DSP Interface Signal Wave Form (P.63)
(*5) Base Unit Reference Drawing (P.76)
(*6) Handset Reference Drawing (P.78)
(*7) Things to Do after Replacing IC or X'tal (P.75)
KX-TG3521BXB/KX-TG3521BXS/KX-TG3522BXB/KX-TG3522BXS/KX-TGA351BXB/KX-TGA351BXS
BU (Base Unit) Check
1. Register Regular HS to BU (to be
checked).
2. Press [Talk] key of the Regular HS to
establish link.
Check DSP interface. (*2)
Check X'tal Frequency.
(13.824000 MHz ± 100 Hz)
1. Place the Regular HS about 15 cm away
from the BU.
2. Confirm that RSSI of the Regular HS is
approximately 2 V by Oscilloscope. (*5)
1. Place the Regular HS about 15 cm away
from the BU.
2. Confirm that RSSI of the BU is approxi-
mately 2 V by Oscilloscope. (*5)
1. Register Regular HS to BU (to be
checked).
2. Press [Talk] key of the Regular HS to
establish link.
3. Compare the range of the BU (being
checked) with that of the Regular BU.
61
HS (Handset) Check
1. Register HS (to be checked) to Regular
BU.
2. Press [Talk] key of the HS to establish link.
Check DSP interface. (*2)
Check X'tal Frequency.
(13.824000 MHz ±100 Hz)
1. Place the HS about 15 cm away from the
Regular BU.
2. Confirm that RSSI of the Regular BU is
approximately 2 V by Oscilloscope. (*6)
1. Place the HS about 15 cm away from the
Regular BU.
2. Confirm that RSSI of the HS is approxi-
mately 2 V by Oscilloscope. (*6)
1. Register HS (to be checked) to Regular
BU.
2. Press [Talk] key of the HS to establish link.
3. Compare the range of the HS (being
checked) with that of the Regular HS.