Adjustment Standard (Base Unit) - Panasonic KX-TCD540NZM Service Manual

Items Adjustment
(S) SP Phone
Audio Check
Note:
After the measuring, sock up the solder of TP.
* : PC Setting (
) is required beforehand.
The connection of adjustment equipment are as shown in
(Base Unit) (
).

14.2. Adjustment Standard (Base Unit)

When connecting the Simulator Equipments for checking, please refer to below.
14.2.1. Component View
Point
1. Press SP-Phone button.
-
2. Press MUTE button.
3. Input -20dBm/1kHz/600
4. Measure the output level at Speaker (between TP108 and TP109).
5. Confirm that the level is -3 ± 5dBm.
6. Press MUTE button.
7. Input -45dBm/1kHz/600
8. Measure the output level at Line I/F.
9. Confirm that the level is 0 ± 5dBm.
Procedure
to Line I/F. (SP-Phone volume Maximum)
to SP-Phone Mic. (TP60-TP61)
Adjustment Standard
97
Check or
Replace
Parts
IC2, C255,
R251, C258,
C293, D215,
C231, R230,
R276, C230,
R281, R265
C266, C274,
R264, MIC1,
C225, R223,
C226, R221,
R220, C223,
C224, C227,
C282, C283,
D11, IC10,
C221, C220,
C271, CN1,
SA1, L6, L7,
D3, Q4, Q5,
R23, R25,
R26, R28