Symptom
Remedy
The base unit does not respond to a call from handset.
Make adjustments in item
(I)~(M)
The base unit does not transmit or the transmit frequency is off.
Make adjustments in item
(H)~(J), (L)
The transmit frequency is off.
Make confirmation in item
(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
The reception sensitivity of base unit is low with noise.
Make confirmation in item
The transmit level is high or low.
Make adjustments in item
The reception level is high or low.
Make adjustments in item
The unit does not link.
Make confirmation in item
The unit cannot charge.
Make confirmation in item
* : Refer to
Adjustment
()
15.1. Adjustment
Please follow the items below when BBIC or EEPROM are replaced.
Items
Adjustment
Point
Procedure*
Check
(A)
2.65V Supply
Confirmation
-
1. Confirm that the voltage between TP187 and GND is 2.65V ± 0.2V.
IC2,Q8,C23,
C24,C25,C26,
C27,C38,R33,
R36,D5,C41,
R41,R42,Q9,
C40,D4,X1,
C32,C33,C36,
38
Содержание KX-TCD400HGB
Страница 23: ...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 23...
Страница 53: ...19 FREQUENCY TABLE MHz 53...
Страница 59: ...The BBIC detects this level and power down 24 SIGNAL ROUTE 25 CPU DATA BASE UNIT 25 1 IC2 BBIC 59...
Страница 63: ...45 MICP A I 63...
Страница 74: ...74...
Страница 75: ...31 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 32 ACCESSORIES AND PACKING MATERIALS 75...
Страница 76: ...33 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 33 1 Base Unit 33 2 Handset 76...