Note:
**: Refer to the above table.
8.2. Adjustment
Adjustment
Items
Test
Mode
Adjustment
Point
*Procedure
(A
)
RX VCO
CH1
Talk
L502
-
Adjust L502 so that the reading of the Digital Voltmeter is 1.75V ± 0.2V. (at TP808)
(B
)
TX VCO
CH1
Talk
L503
-
Adjust L503 so that the reading of the Digital Voltmeter is 1.8V ± 0.15V. (at TP809)
(C
)
TX Frequency
CH1
Talk
VC1
-
Adjustment VC1 so that the reading of the frequency counter is 1ch Freq.
(902.1MHz) ± 9KHz at the antenna.
(D
)
TX Power
Confirmation
CH1
Talk
T5
-
Confirm so that the reading of the RF VTVM is -7 ± 2dBm. (at TP510)
(E
)
RX
Sensitivity
Confirmation
CH1
Talk
-
1. Apply -107dBm output from S.S.G. (modulation frequency 1KHz, dev. 0KHz).
2. Confirm that the distortion reading of Audio Analyzer is less than 25%.
(F) Line Output
Level
Confirmation
CH1
Talk
-
1. Apply -60dBm output from S.S.G. (modulation frequency 1KHz, dev. 25KHz).
2. Confirm that the reading of Audio Analyzer is -11 ± 1dBm or -20 ± 1dBm* (600
load).
18
Содержание KX-TC1461LAB
Страница 4: ...2 2 Handset 4...
Страница 5: ...2 3 Battery Replacement 5...
Страница 6: ...3 CONNECTIONS 6...
Страница 8: ...4 OPERATIONS 4 1 Making Calls 4 2 Answering Calls 5 DISASSEMBLY INSTRUCUTIONS 8...
Страница 15: ...7 4 Check Link Refer to Adjustment Note CPU IC3 RF IC IC1 15...
Страница 21: ...Note Refet to CIRCUIT BOARD Handset Signal Route 9 2 Adjustment 21...
Страница 36: ...20 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 36...
Страница 37: ...21 ACCESSORIES AND PACKING MATERIALS 37...
Страница 38: ...22 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 22 1 Base Unit 22 2 Handset 38...
Страница 53: ...R520 ERJ3GEYJ103 10k 53...
Страница 58: ...28 3 RF Module M KXTC1461LAB AK KXTC1461LAW AK 58...
Страница 59: ...KX TC1461LAB W BASE UNIT Locator Component View...
Страница 60: ...KX TC1461LAB W BASE UNIT Locator Flow Solder Side View...
Страница 61: ...DC Power Supply Battery...
Страница 63: ...U1 X1 KX TC1461LAB W HANDSET Main Flow Solder Side View 1 14 28 15 Rec_O P_B CH_DET U1 25...
Страница 65: ...KX TC1461LAB W HANDSET Main Component View SP_OUT...
Страница 66: ...U1 X1 KX TC1461LAB W HANDSET Main Flow Solder Side View Oscilloscope SIG_OUT F AF Generator MIC_IN 1 15...
Страница 67: ...IC3 AF OSC LOOP SIMULATOR Audio Analyzer E F Tip Ring...
Страница 75: ...IC2 KX TC1461LAB W BASE UNIT Main Component View L seize 1 7 8 14 Power Down Tx Down SIG_OUT...
Страница 76: ...IC3 KX TC1461LAB W BASE UNIT Main Flow Solder Side View 1 28 14 15 LED P1 IC3 12 CHG_DET IC3 25 Ring_DET IC3 26...