8 TROUBLESHOOTING BY SYMPTOM (BASE UNIT AND
CHARGER UNIT)
Ifyour unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester
(*1) or not.
Note:
(*1): A general repair is possible even if you don’t have the DECT tester because it is for confirming the levels, such as Acoustic
level in detail.
(*2): Refer to
Check Point (Base Unit)
(P.25)
8.1.
Check Point (Base Unit)
Please follow the items below when BBIC or EEPROM or FLASH ROM is replaced.
Note:
After the measuring, sock up the solder of TP.
*:
PC Setting
(P.38) is required beforehand.
The connections ofadjustment equipments are as shown in
Adjustment Standard (Base Unit)
(P.32).
Items
Check
Point
Procedure
Check or
Replace Parts
(
A
)
2.5V Supply
Confirmation
VDD4
1. Confirm that the voltage between test point VDD4 and GND is 2.5V ± 0.2V.
D1, IC11, C4,
C7, R10, R11,
C30, C26, C28,
L12
(
B
)
3.0V Supply
Confirmation
VDD3
1. Confirm that the voltage between test point VDD3 and GND is 3.0V ± 0.2V.
C2, IC1, C3,
C8, Q2, R5,
C10, R18, R19,
C11
(
C
)*
1.8V Supply
Confirmation
VDD5
1. Confirm that the voltage between test point VDD5 and GND is 1.8V ± 0.1V.
Q3, R6, C25,
D7, D8
(
D
)*
BBIC Confirmation
-
1. BBIC Confirmation (Execute the command “getchk”).
2. Confirm the returned checksum value.
Connection ofchecksum value and program number is shown below.
IC4, X1, C42,
C43, R40, C81,
C82, C84
25
KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS
Содержание KX-TG1843ALS
Страница 15: ...6 HOW TO REPLACE THE HANDSET LCD 15 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 20: ...Cross Reference Check Point Base Unit P 25 20 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 22: ...Cross Reference Check Point Handset P 34 22 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 51: ...19 SIGNAL ROUTE 51 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 52: ...52 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 58: ...22 ENGINEERING MODE 22 1 Base Unit 58 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 61: ...22 2 Handset 61 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 65: ...24 CABINET AND ELECTRICAL PARTS BASE UNIT 65 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 67: ...26 CABINET AND ELECTRICAL PARTS CHARGER UNIT 67 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 68: ...27 ACCESSORIES AND PACKING MATERIALS 27 1 KX TG1843ALS 68 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 69: ...27 2 KX TGA121AZS 69 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 71: ...28 3 Charger Unit 71 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 78: ...Memo 78 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...
Страница 83: ...Memo 83 KX TG1843ALS KX TGA122AZS KX TGA121AZS ...