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Items
Adjustment
Point
Procedure*
Check
Replac
Parts
(A)
2.65V Supply
Confirmation
-
1. Confirm that the voltage between J101 and GND is 2.65V ± 0.2V.
C40,C41
C43,C44
C32,C33
C37,C
(B)
4.0V Supply
Confirmation
-
1. Confirm that the voltage between TP11 and GND is 4.0V ± 0.2V.
D4,C36,
R61,R62
C72,D14
D9
(C)
VBACK Status
Confirmation
-
1. Confirm that the voltage between J102 and GND is 0V ± 0.4V.
IC8,C53,
C55,C56
R78,R77
R74,D9,
Q12
(D)
*
BBIC
Confirmation
-
1. BBIC Confirmation (Execute the command "getchk").
2. Confirm the returned checksum value.
Connection of checksum value and program number is shown
below.
IC8,C53,
C55,C56
R78
(E)
*
BBIC Clock
Adjustment
TP15
1. Execute the command "deactmac".
2. Execute the command "conttx".
3. Input Command “rdeeprom_00_00_02”, then you can confirm the current value.
4. Adjust the frequency of TP15 executing the command "setfreq 00 xx (where xx is the
value)" so that the reading of the frequency counter is 10.368000MHz ± 3Hz.
IC8,C53,
C55,C56
R78,L2,
C95
41
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 ...