
Command name
Function
Example
rdeeprom
Read the data of EEPROM
Type “rdeeprom 00 00 FF”, and the data
from address “00 00” to “FF” is read out.
readid
Read ID (RFPI)
Type “readid”, and the registered ID is
read out.
writeid
Write ID (RFPI)
Type “writeid 00 18 E0 0E 98”, and the
ID “0018 E0 0E 98” is written.
setfreq
adjust Frequency of RFIC
Type “setfreq nn nn”.
Getchk
Read checksum
Type “getchk”.
Wreeprom
write eeprom
Type "wreeprom 01 23 45". "01 23" is
address and "45" is data to be written.
14. ADJUSTMENTS (BASE UNIT AND CHARGER UNIT)
If your unit have below symptoms, adjust or confirm each item using remedy column from the table.
Symptom
Remedy
The base unit does not respond to a call from handset.
Make adjustments in item (A)~(F
(I)~(M)
The base unit does not transmit or the transmit frequency is off.
Make adjustments in item (A)~(E
(H)~(J), (L)
The transmit frequency is off.
Make confirmation in item (A)~(E
(H)~(J), (L)
The transmit power output is low, and the operating distance between
base unit and handset is less than normal.
Make confirmation in item (H), (K
The reception sensitivity of base unit is low with noise.
Make confirmation in item (K)
The transmit level is high or low.
Make adjustments in item (O)
The reception level is high or low.
Make adjustments in item (N)
The unit does not link.
Make confirmation in item (A)~(M
The unit cannot charge.
Make confirmation in item (P)
* : Refer to
Adjustment (Base Unit)
()
14.1. Adjustment (Base Unit)
Please follow the items below when BBIC or EEPROM are replaced.
40
Summary of Contents for KX-TCD420GS
Page 38: ...Cross Reference Power Supply Circuit Adjustment Base Unit 11 3 2 Handset 34 ...
Page 60: ...18 FREQUENCY TABLE MHz 56 ...
Page 67: ...25 CPU DATA BASE UNIT 25 1 IC8 BBIC 63 ...
Page 69: ...Memory 65 ...
Page 88: ...84 ...
Page 90: ...86 ...
Page 91: ...33 ACCESSORIES AND PACKING MATERIALS 33 1 KX TCD420GS 33 2 KX A142EXS 87 ...
Page 92: ...34 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 34 1 Base Unit 88 ...
Page 93: ...34 2 Handset 34 3 Charger Unit 35 REPLACEMENT PARTS LIST Note 89 ...
Page 97: ...93 ...
Page 104: ...PbF D1 J1 CIRCUIT BOARD CHARGER UNIT Component View ...
Page 119: ...PbF R1 R2 TP4 TP1 TP2 TP3 Digital Volt Meter 12Ω 2W A ...
Page 123: ...Clip G N D S D A S C L Base PCB J105 J102 J104 J103 J103 B1 GNDMODE SCL SDA VDD B2 ...
Page 124: ...PbF D1 J1 Marked PbF R1 R2 TP4 TP1 TP2 TP3 Marked Component View Flow Solder Side View ...
Page 126: ...Marked PbF IC1 IC2 100 80 5 8 4 1 50 51 30 31 1 11 18 1 28 IC3 ...
Page 128: ...PbF IC7 IC8 IC9 144 109 108 1 1 16 17 32 1 11 36 35 28 18 73 72 Marked ...
Page 129: ...PbF R1 R2 TP4 TP1 TP2 TP3 CIRCUIT BOARD CHARGER UNIT Flow Solder Side View ...