8.2. How to change the channel
8.3. Adjustment
Adjustment Items Test Mode
Adjustment
Point
*Procedure
Check or
Replace
Parts
(A) Battery Low
Confirmation
3ch Talk
-
1.
Adjust the power supply voltage to DC 3.60V and confirm so that the
reading of oscilloscope is High.
2.
Adjust that power supply voltage to DC 3.40V and confirm so that the
reading of oscilloscope is Low.
IC801
(B) TX VCO
Adjustment
3ch Talk
T803
•
Adjust T803 so that the reading of the Digital Voltmeter is 1.5 ± 0.3 V.
IC801, X801,
T803, DV1
(C) RX VCO
Adjustment
3ch Talk
T804
•
Adjust T804 so that the reading of the Digital Voltmeter is 1.0 ± 0.3 V.
IC801, X801,
T804,C831
(D) TX Frequency
Confirmation
3ch Talk
-
•
Confirm so that the reading of the frequency counter is 49.860MHz ±
700Hz.
IC801,
DPX1,
T802
(E) TX Power
Adjustment
3ch Talk
T802
•
Adjust T802 so that the reading of the RF VTVM is 1dBm ± 0.5dBm.
IC801, Q802,
Q804, T802,
DPX1
(F) RX Sensitivity
Confirmation
(2nd IF output)
3ch Talk
T801
1.
Apply -60dBm output from S.S.G. (modulation frequency 1KHz, dev.
0KHz).
2.
Confirm 2nd IF output so that the reading of AF VTVM is the maximum
value(more than 20mV).
DPX1, T801,
CF801,
CF802
(G) Noise Squelch
Confirmation
3ch Talk
-
1.
Measure the S.S.G. output level when the noise squelch changes from
Low to High. (modulation frequency 1KHz, dev.3KHz)
2.
Confirm that the S.S.G. output level is -103dBm.
IC801, DPX1
(H) Speaker
Output Level
Confirmation
3ch Talk
-
1.
Apply -60dBm output from S.S.G. (modulation frequency 1KHz, dev.
3KHz).
2.
Confirm that the reading of AF VTVM is more than 35mV
(Distortion:less than 7%) (volume High)
IC801
(I) Mic Modulation
Factor
Confirmation
3ch Talk
-
1.
Apply a MIC signal (1KHz, 4mV at 600
Ω
load).
2.
Confirmation so that the reading FM Deviation Meter is 2.3 ± 0.5KHz.
IC801, DV1
(J) Data
Modulation
Confirmation
3ch Talk
-
•
Confirm for 4KHz ~ 7KHz FM Deviation Meter reading.
Q802, Q804,
T802, DV1,
DPX1
*: The connections of adjustment equipment are as shown in Adjustment Standard (Handset) (P.24).
S.S.G. Frequency: 46.67 MHz
23
KX-TC2100BXB / KX-TC2100B XS / KX-TC2100B XT / KX-TC2100BXW
Содержание KX-TC2100BXB
Страница 8: ...4 3 Connection 8 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 9: ...4 4 Troubleshooting 9 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 28: ...12 2 Ringing 28 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 29: ...12 3 Changing the Channel 29 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 41: ...17 SIGNAL ROUTE Each signal route is as follows 41 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 42: ...18 CPU DATA Base Unit 18 1 IC201 42 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 43: ...19 CPU DATA Handset 19 1 IC701 43 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 47: ...22 CABINET AND ELECTRICAL PARTS BASE UNIT 47 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 48: ...23 CABINET AND ELECTRICAL PARTS HANDSET 48 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 49: ...24 ACCESSORIES AND PACKING MATERIALS 49 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 56: ...Memo 56 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...
Страница 60: ...Memo KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW 60 ...
Страница 65: ...65 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW I N N KXTC2100BXB KXTC2100BXS KXTC2100BXT KXTC2100BXW ...