Symptom
Remedy
The base unit dose not respond to a call from handset.
Make adjustments in item
(I)~(M)
The base unit dose 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
* : Refer to
Adjustment
()
14.1. Adjustment
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,
(B)
4.0V Supply
Confirmation
-
1. Confirm that the voltage between TP91 and GND is 4.0V ± 0.2V.
D4,C40,Q9,
R41,R42,C41,
D5,C75,C78,
C69,C66,C67,
31
Summary of Contents for KX-A140EXC
Page 46: ...18 FREQUENCY TABLE MHz 46 ...
Page 52: ...24 CPU DATA BASE UNIT 24 1 IC2 BBIC 52 ...
Page 56: ...45 MICP A I 56 ...
Page 60: ...60 ...
Page 61: ...28 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 29 ACCESSORIES AND PACKING MATERIALS 61 ...
Page 62: ...30 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 30 1 Base Unit 30 2 Handset 62 ...
Page 91: ...4 1 5 8 PbF 1 28 18 IC3 IC2 IC1 11 64 1 16 17 32 49 48 33 Marked ...
Page 93: ...Marked PbF IC1 IC2 100 80 5 8 4 1 50 51 30 31 1 11 18 1 28 IC3 ...