42
KX-TGD320ALB/KX-TGD322ALB/KX-TGD323ALB/KZ-TGDA30AZB
9.3.
Troubleshooting by Symptom (Handset)
If your 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
9.3.1.
Check Point (Handset)
Please follow the items below when BBIC or FLASH is replaced.
Note:
After the measuring, suck up the solder of TP.
*:
The Setting Method of JIG (Handset)
(P.54) is required beforehand.
The connections of adjustment equipment are as shown in
Symptom
Remedy (*2)
You don’t have DECT Tester.
You have DECT Tester.
(Model Number: CMD60)
Battery strength is not indicated correctly by Battery icon.
Check item (A) - (D), (E) - (G).
Check item (A) - (D), (E) - (G).
You cannot hear the caller’s voice.
Check item (A) - (C), (H), (N).
Check item (A) - (C), (H - (L)) - (N).
You cannot use handset little away from base unit even if the
handset is within range of the base unit.
-
Check item (I) - (M).
the Audio level is high or low.
Check item (N).
Check item (N).
The SP-Phone level is high or low.
Check item (O).
Check item (O).
Items
Check
Point
Procedure
Check or
Replace Parts
(
A
)* 1.8 V Supply Adjustment
1.8V
1. Confirm that the voltage between test point 1.8V and GND is 1.8 V ± 0.02 V.
2. Execute the command “VDD”, then check the current value.
3. Adjust the 1.8V voltage of 1.8V executing command “VDD XX“(XX is the
value).
IC1, Q1, C44,
R45, C22,
C41, C45, F1
(
B
)*
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.
IC1, X1, R61
(
C
)*
VES Confirmation
-
1. VES Confirmation (Execute the command "sendchar EPV").
2. Confirm the returned Value. (Value for reference is written in
Software_Version_Table.xls).
IC1, IC4, C41
(
D
) Charge Control Check &
Charge Current Monitor
Check
-
1. Apply 5.0 V between CHG(+) and CHG(-) with DC power supply and set
current limit to 150 mA.
Confirm the indication of “charging” on LCD.
2. Confirm that the current limit LED of DC power supply is ON/OFF.
Confirm it after waiting over 1 minute at least.
(If charge control cannot be confirmed by this procedure, please use battery to
handset power supply and try again.)
IC1, Q4 Q9,
Q2, Q3, R2,
R7, R8, R6,
R9, C19, R45
(
E
)* Charge Detection (OFF)
Check
-
1. Stop supplying 5.0 V to CHG (+) and CHG (-).
2. Confirm the indication of “charging” has been cleared.
IC1, Q4 Q9,
Q2, Q3, R2,
R7, R8, R6,
R9, C19, R45
check
su
m v
a
l
u
e
progr
a
m n
u
m
b
er
ex.)
92
3
5
DER2EP
Summary of Contents for KX-TGD320ALB
Page 69: ...69 KX TGD320ALB KX TGD322ALB KX TGD323ALB KX TGDA30AZB Memo ...
Page 73: ...73 KX TGD320ALB KX TGD322ALB KX TGD323ALB KX TGDA30AZB Memo ...
Page 76: ...76 KX TGD320ALB KX TGD322ALB KX TGD323ALB KZ TGDA30AZB Memo ...
Page 80: ...80 KX TGD320ALB KX TGD322ALB KX TGD323ALB KZ TGDA30AZB Memo ...
Page 87: ...87 KX TGD320ALB KX TGD322ALB KX TGD323ALB KX TGDA30AZB 15 4 Accessories A2 A1 A3 ...