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Items
Adjustment
Point
Procedure*
Check
Replac
Parts
(K)
Sensitivity
Receiver
Confirmation
-
Follow steps 1 to 3 of (H) above.
4. Set DECT tester power to -88dBm.
5. Confirm that the BER is < 1000ppm.
IC6,IC4
C57,C61
C77,C78
C68,C69
R80,C63
R83,R84
L3,C79,C
C66,D10
(L)
Timing
Confirmation
-
Follow steps 1 to 3 of (H) above.
4. Confirm that the Timing accuracy is < ± 5.0ppm.
IC6,IC4
C57,C61
C77,C78
C68,C69
R80,C63
R83,R84
L3,C79,C
C66,D10
44
Содержание KX-TCD420GS
Страница 32: ...Shown in Fig To Remove Remove 1 Lower Cabinet Screws 2 6 12 A 2 2 Main P C Board Main P C Board 9 2 Handset 28 ...
Страница 38: ...Cross Reference Power Supply Circuit Adjustment Base Unit 11 3 2 Handset 34 ...
Страница 60: ...18 FREQUENCY TABLE MHz 56 ...
Страница 67: ...25 CPU DATA BASE UNIT 25 1 IC8 BBIC 63 ...
Страница 69: ...Memory 65 ...
Страница 88: ...84 ...
Страница 89: ...31 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 32 CABINET AND ELECTRICAL PARTS LOCATION CHARGER UNIT 85 ...
Страница 90: ...86 ...
Страница 91: ...33 ACCESSORIES AND PACKING MATERIALS 33 1 KX TCD420GS 33 2 KX A142EXS 87 ...
Страница 92: ...34 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 34 1 Base Unit 88 ...
Страница 93: ...34 2 Handset 34 3 Charger Unit 35 REPLACEMENT PARTS LIST Note 89 ...
Страница 97: ...93 ...
Страница 104: ...PbF D1 J1 CIRCUIT BOARD CHARGER UNIT Component View ...
Страница 109: ...TP3 R2 27 TP4 D1 2 1 J1 pinL DC_PLUG 22 Charge_minus TP1 TP2 R1 Charge_plus SCHEMATIC DIAGRAM CHARGER UNIT ...
Страница 119: ...PbF R1 R2 TP4 TP1 TP2 TP3 Digital Volt Meter 12Ω 2W A ...
Страница 123: ...Clip G N D S D A S C L Base PCB J105 J102 J104 J103 J103 B1 GNDMODE SCL SDA VDD B2 ...
Страница 124: ...PbF D1 J1 Marked PbF R1 R2 TP4 TP1 TP2 TP3 Marked Component View Flow Solder Side View ...
Страница 125: ...Marked 1 PROG PbF BOOK UP POWER CAN DOWN RIGHT REDIAL LEFT 1 2 3 6 5 7 0 R 4 9 8 INT MIC TALK 36 CN2 ...
Страница 126: ...Marked PbF IC1 IC2 100 80 5 8 4 1 50 51 30 31 1 11 18 1 28 IC3 ...
Страница 128: ...PbF IC7 IC8 IC9 144 109 108 1 1 16 17 32 1 11 36 35 28 18 73 72 Marked ...
Страница 129: ...PbF R1 R2 TP4 TP1 TP2 TP3 CIRCUIT BOARD CHARGER UNIT Flow Solder Side View ...