Items
Check
Point
Procedure
Check or
Replace Parts
(L)*
Modulation Check and
Adjustment
-
Follow steps 1 to 3 of (K) above.
4.Confirm that the B-Field Modulation is -350 ~ -400/+320 ~ +370kHz/div using
data type Fig 31.
5.Adjust the B-Field Modulation if required. (Execute the command “Readmod”
and “wrtmod xx”, where xx is the value.)
IC1, R54, C62,
C123, C60,
C63, C45,
C44, C47,
C46, C49,
C48, C50,
C53, C51,
R59, C54,
C55, CN6
(M)
Frequency Offset
Confirmation
-
Follow steps 1 to 3 of (K) above.
4.Confirm that the frequency Offset is < ± 45kHz.
IC1, R54, C62,
C123, C60,
C63, C45,
C44, C47,
C46, C49,
C48, C50,
C53, C51,
R59, C54,
C55, CN6
(N)
Frequency Drift
Confirmation
-
Follow steps 1 to 3 of (K).
4.Confirm that the frequency Drift is < ± 30kHz/ms.
IC1, R54, C62,
C123, C60,
C63, C45,
C44, C47,
C46, C49,
C48, C50,
C53, C51,
R59, C54,
C55, CN6
(O)
Sensitivity Receiver
Confirmation
-
Follow steps 1 to 3 of (K).
4.Set DECT tester power to -88dBm.
5.Confirm that the BER is < 1000ppm.
IC1, R54, C62,
C123, C60,
C63, C45,
C44, C47,
C46, C49,
C48, C50,
C53, C51,
R59, C54,
C55, CN6
(P)
Timing Confirmation
-
Follow steps 1 to 3 of (K).
4.Confirm that the Timing accuracy is < ± 2.0ppm.
IC1, R54, C62,
C123, C60,
C63, C45,
C44, C47,
C46, C49,
C48, C50,
C53, C51,
R59, C54,
C55, CN6
(Q)*
RSSI Level
Confirmation
-
Follow steps 1 to 3 of (K).
4.Set DECT tester power to -81dBm.
5.Execute the command “readrssi“.
6.Confirm that the returned value is 0×1C ± 8 (hex).
7.Set DECT tester power to -63dBm.
8.Execute the command “readrssi“.
9.Confirm that the returned value is 0×25 ± 8 (hex).
IC1, R54, C62,
C123, C60,
C63, C45,
C44, C47,
C46, C49,
C48, C50,
C53, C51,
R59, C54,
C55, CN6
(R)
Power RAMP
Confirmation
-
Follow steps 1 to 3 of (K).
4.Confirm that Power RAMP is matching.
IC1, R54, C62,
C123, C60,
C63, C45,
C44, C47,
C46, C49,
C48, C50,
C53, C51,
R59, C54,
C55, CN6
(S)
Audio Check and
Confirmation
-
1.
Link to BASE which is connected to Line Simulator.
2.
Set line voltage to 48V and line current to 40mA.
3.
Input -45dBm/1KHz to MIC and measure Line output level.
4.
Confirm that the level is -7.5dBm ± 2dBm and that the distortion level is < 5%
at TEL Line (600
Ω
Load).
5.
Input -20dBm/1KHz to Line I/F and measure Receiving level at REV1 and
REV2.
6.
Confirm that the level is -20.5dBm ± 2dBm and that the distortion level is < 5%
at Receiver. (vol = 2)
IC1, C37, C68,
C91, R25,
R26, C20,
C12, C87,
C109, R85,
C103, C10,
C17, R86,
R29, R37,
R38, D4, D5,
C69, C70, C95
62
KX-TCD220SLT / KX-TCA122EXT / KX-TCA121EXT
Содержание KX-TCA121EXT
Страница 23: ...23 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 29: ...9 2 Available Character Entries for SMS 29 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 35: ...10 4 Using Direct Commands 35 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 43: ...13 HOW TO REPLACE THE HANDSET LCD 43 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 47: ...14 3 Check Link 14 3 1 Base Unit 47 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 48: ...Cross Reference Power Supply Circuit P 72 Check Point Base Unit P 53 48 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 49: ...14 3 2 Handset 49 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 77: ...26 SIGNAL ROUTE 77 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 78: ...78 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 83: ...29 ENGINEERING MODE 29 1 Base Unit 83 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 86: ...29 2 Handset 86 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 90: ...31 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 90 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 92: ...33 CABINET AND ELECTRICAL PARTS LOCATION CHARGER UNIT 92 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 93: ...34 ACCESSORIES AND PACKING MATERIALS 34 1 KX TCD220SLT 93 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...
Страница 94: ...34 2 KX TCA121EXT 94 KX TCD220SLT KX TCA122EXT KX TCA121EXT ...