Panasonic KX-TCD410RUM Service Manual page 42

KX-TCD410RU M / KX-TCD410R US / KX-TCD412R UM / KX-TCD412R US / KX-A141RU M / KX-A141RU S / KX-A142RU M / KX-A142RUS
Items
(O)* Transmit Audio Check
and Adjustment
(P) Charging Check
Note:
PC Setting
Adjustment
Point
ANT 1. Configure the DECT tester (CMD60) as follows;
J1
<Setting>
· Test mode: FP
· Mode: Normal
· PMID: 0000
2. Execute the command "testmode".
3. Initiate connection from DECT tester.
4. Execute the command "hookoff".
5. Execute the command "openau".
6. Connect J1 (Telephone Socket) to Tel-simulator which is connected with 600
Ω.
7. Set line voltage to 48V and line current to 40mA.
8. Input audio signal (30mVrms/1kHz tone) to DECT tester.
<DECT tester setting>
· Scramble: On
· AF Gen to ADPCM: On
· AF Meter Input: AF Voltm
· AF Gen Frequency: 1000Hz
· AF Gen Level: 30mVrms
9. Confirm hearing tone: 300mVrms ± 50mVrms.
10. Adjust audio level if required. (Make sure current value using "getspkrgain".
And then execute the command "setspkrgain xx", where xx is the value.)
11. Confirm that the audio distortion at 600R of Tel-simulator is < 5 %.
- 1. Connect Charge Contact 12Ω/2W register between charge+ and charge-.
2. Measure and confirm voltage across the regigster is 2.3V ± 0.2V.
Procedure*
Adjustment Standard (Base Unit)
Check or
Replace Parts
IC2,R32,C22,
R23,C14,C13,
R22,R21,Q6,
R18,R19,R20,
C12,D2,C1,
C2,R77,R16,
D3,R12,Q2,
R7,R8,R9,
R10,Q3,IC3,
L1,C43,C61,
C68,C69,C48,
C72,C66,C67,
C65,C57,C73,
L3,DA1,R66,
R67,C55,C56,
R78,R79,C54
C58,C80,R38
C90,C52,C81,
C82,C83,C84,
C85,C91,L8
C47
D4,R43,R44