Panasonic KX-TCA151AXM Service Manual page 62

KX-TCD530AXM / KX-TCA151AXM
Items
(R) Audio Check (Curl
Cord Handset)
(S) SP Phone
Audio Check
Note:
After the measuring, sock up the solder of TP.
* : PC Setting (P.57) is required beforehand.
The connection of adjustment equipment are as shown in Adjustment Standard (Base Unit) (P.63).
Adjustment Point
- 1. Input -45dBm/1kHz to MIC of Curl Cord Handset.
Measure the Level at Line I/F and distortion level.
2. Confirm that the level is -15dBm ± 5dB and confirm that the distortion level
is < 5%. (600Ω Road)
3. Input -20dBm/1kHz to Line I/F.
Measure the level at Receiver of Carl Cord Handset and distortion level
(*Receive volume set to middle).
4. Confirm that the level is -24dBm ± 5dB and confirm that the distortion level
is < 5%. (Volume Middle, 150Ω Road)
- 1. Press SP-Phone button.
2. Press MUTE button.
3. Input -20dBm/1kHz/600Ω to Line I/F. (SP-Phone volume Maximum)
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/600Ω to SP-Phone Mic. (TP60-TP61)
8. Measure the output level at Line I/F.
9. Confirm that the level is 0 ± 5dBm.
Procedure
62
Check or
Replace Parts
IC2, CN1, SA1,
L6, L7, D3,
Q4, Q5, R23,
R25, R26, R28
C291, R282,
C287, C289,
IC15, R283,
R284, R285,
R286, R287,
R288, R289,
R290, R291,
R292, R231,
R279, R266,
C288, C290,
C267, C275,
C232, C233,
C292, C295,
C296, C301,
C302, C304,
C305, C303,
C300, C297,
C298, C299,
C314, C315,
C316
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