Panasonic KX-TG2480BXS, Руководство по обслуживанию

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7.3.3. Check Table for RF part
No. Item BU checking HS checking
1a Link confirmation Normal 1. Re-resister HS Regular Unit (working) to BU.
2. Press [Talk] key ofthe HS Regular Unit to
establish link.
1. Re-resister HS to BU ofRegular Unit (working).
2. Press [Talk] key ofthe HS to establish link.
1b Link confirmation TX Test 1. Re-resister HS Regular Unit (working) to BU.
2. Set BU to TEST Link mode. (*1)
(CH:45ch / TX Power:High / RX Gain:High)
3. Set HS Regular Unit to TEST Link mode. (*1)
(CH:45ch / TX Power:High / RX Gain:Low)
4. Press [1] key ofHS Regular Unit to establish link
about 5m away from BU.
5. Press [1] key ofHS Regular Unit to set RSSI
mode, and press [2] key to set RX Gain Low.
6. Confirm the value of RSSI in LCD of HS Regular
Unit is more than “e0(hex)”.
1. Re-resister HS to BU Regular Unit (working).
2. Set BU Regular Unit to TEST Link mode. (*1)
(CH:45ch / TX Power:High / RX Gain:Low)
3. Set HS to TEST Link mode. (*1)
(CH:45ch / TX Power:High / RX Gain:High)
4. Press [1] key ofHS to establish link about 5m
away from BU of Regular Unit.
5. Press [1] key ofBU Regular Unit to set RSSI
mode, and press [2] key to set RX Gain Low.
6. Confirm the value of RSSI in LCD of BU Regular
Unit is more than “e0(hex)”.
1c Link confirmation RX Test 1. Re-resister HS Regular Unit (working) to BU.
2. Set BU to TEST Link mode. (*1)
(CH:45ch / TX Power:High / RX Gain:Low)
3. Set HS Regular Unit to TEST Link mode. (*1)
(CH:45ch / TX Power:High / RX Gain:High)
4. Press [1] key ofHS Regular Unit to establish link
about 5m away from BU.
5. Press [1] key ofBU to set RSSI mode, and press
[2] key to set RX Gain Low.
6. Confirm the value of RSSI in LCD of BU is more
than “e0(hex)”.
1. Re-resister HS to BU ofRegular Unit (working).
2. Set BU Regular Unit to TEST Link mode. (*1)
(CH:45ch / TX Power:High / RX Gain:High)
3. Set HS to TEST Link mode. (*1)
(CH:45ch / TX Power:High / RX Gain:Low)
4. Press [1] key ofHS to establish link about 5m
away from BU Regular Unit.
5. Press [1] key ofHS to set RSSI mode, and press
[2] key to set RX Gain Low.
6. Confirm the value of RSSI in LCD of HS is more
than “e0(hex)”.
2 Control signal confirmation 1. Set TX Burst mode.(*1)
2. Check DSP interface.(*2)
1. Set TX Burst mode.(*1)
2. Check DSP interface.(*2)
3 X’tal Frequency
confirmation (*5) 1. Adjust X’tal mode.(*1)
2. Check X’tal Frequency.
(13.824000MHz±100Hz)
1. Adjust X’tal mode.(*1)
2. Check X’tal Frequency.
(13.824000MHz±100Hz)
4 TX Power confirmation 1. Set BU to TX Burst mode at 45ch. (*1)
(TX Power:High)
2. Set HS Regular Unit to RX-CW TEST mode at
45ch (RX Gain is fixed Low Gain). (*1)
3. Place HS Regular Unit about 5m away from BU.
4. Confirm RSSI of HS Regular Unit is more than
1.75V by Oscilloscope.(*4)
1. Set HS to TX Burst mode at 45ch. (*1)
(TX Power:High)
2. Set BU Regular Unit to RX-CW TEST mode at
45ch (RX Gain is fixed Low Gain). (*1)
3. Place HS about 5m away from BU Regular Unit.
4. Confirm RSSI of BU Regular Unit is more than
1.75V by Oscilloscope.(*3)
5 RX Sensitivity confirmation 1. Set BU to RX-CW TEST mode at 45ch (RX Gain
is fixed Low Gain). (*1)
2. Set HS Regular Unit to TX Burst mode at 45ch.
(*1) (TX Power:High)
3. Place HS Regular Unit about 5m away from BU.
4. Confirm RSSI of BU is more than 1.75V by
Oscilloscope.(*3)
1. Set HS to RX-CW TEST mode at 45ch (RX Gain
is fixed Low Gain). (*1)
2. Set BU Regular Unit to TX Burst mode at 45ch.
(*1) (TX Power:High)
3. Place HS about 5m away from BU Regular Unit.
4. Confirm RSSI of HS is more than 1.75V by
Oscilloscope.(*4)
Note:
(*1) ADJUSTMENT AND TEST MODE (P.29)
(*2) RF-DSP interface signal wave form (P.27)
(*3) CIRCUIT BOARD (BASE UNIT) Component View (P.89)
(*4) CIRCUIT BOARD (HANDSET) Component View (P.91)
(*5) X801 (Base Unit), X201 (Handset) Check (P.37)
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KX-TG2480BXS / KX-TGA248BXS