Panasonic KX-TG3521BXB, Service Manual

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KX-TG3521BXB/KX-TG3521BXS/KX-TG3522BXB/KX-TG3522BXS/KX-TGA351BXB/KX-TGA351BXS
10.1.4.3. Check Table for RF part
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)
No. Item BU (Base Unit) Check HS (Handset) Check
1 Link Confirmation Normal
HS, BU Mode [Normal Mode]
1. Register Regular HS to BU (to be
checked).
2. Press [Talk] key of the Regular HS to
establish link.
1. Register HS (to be checked) to Regular
BU.
2. Press [Talk] key of the HS to establish link.
2 Control signal confirmation
HS, BU Mode: [Test Burst Mode] (*1)
Check DSP interface. (*2) Check DSP interface. (*2)
3 X’tal Frequency confirmation (*7)
HS, BU Mode: [Adjustment] (*3)
Check X’tal Frequency.
(13.824000 MHz ± 100 Hz) Check X’tal Frequency.
(13.824000 MHz ±100 Hz)
4 TX Power confirmation
Regular HS, BU Mode:
[RX-CW Mode.] (*4)
HS, BU (to be checked) Mode:
[Test Burst Mode.] (*1)
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 HS about 15 cm away from the
Regular BU.
2. Confirm that RSSI of the Regular BU is
approximately 2 V by Oscilloscope. (*6)
5 RX Sensitivity confirmation
Regular HS, BU Mode:
[Test Burst Mode.] (*1)
HS, BU (to be checked) Mode:
[RX-CW Mode.] (*4)
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. 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)
6 Range Confirmation Normal
HS, BU Mode: [Normal Mode]
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.
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.