Alinco DJ-160E, Руководство по обслуживанию

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1. Transmitting Unit (DJ-460T)
Item Adjustment Point
Adjustment Method -
?
Spec
1. Frequency
adjustment
TC307 (RF PCB) 1 Sèt thé unit in the transmission mode at 445.03MHz and
adjustment TC307.; -
(Transceiver tester, counter)
445.03MHz ±
50Hz'
2. TX Power
adjustment
VR301 (RF PCB)
(Hi Power)
VR302 (RF PCB) '
(Lo Power)
Adjustment VR301 so that TX power becomes 3.1 W at
445.03MHz.
Adjustment VR302 so that TX power becomes 300mW at
445.03MHz.
3.1W±0.1W :
300mW±50mW
3. Modulation degree
adjustment
VR204 (IF PCB) ' • input à signal of 1 kHz/50mV into The Mic jack
transrrrtting at 445.03MHz and adjust VR204 so that you
■ obtain 4.7kHz/Dëv in the transmission mode.
4.7kHz ± 0.1kHz '
4. Subaudible tone
VR203 (IF PCB) Adjust 88.5kHz by VR203 so that you obtain 800Hz/Dev. ■ 800Hz ± 100Hz
& DTMF VR205 (IF PCB) Push [T| in the transmission mode and adjust VR205 so
that you obtain 3.1 kHz/Dev.
3.1 kHz ± 0.1kHz
2. Receiving Unit (DJ-46OT)
Item
Adjustment Point z i ::
' Adjustment Method
Spec
1. VCO P/D Voltage
adjustment
TX L105
-
v ;
RX -L103
- .
....
Adjust L105 so that P/D Voltagé is 1.2V at 440.00MHz
(DC Voltmeter): in the transmission mode.
Adjust L103 so that P/D Voltage is 1.9V at 440.00M Hz -
• (DC Voltmeter), in the- reception mode.
1,2V ± 0.3V
'
1.9V±0.3V
o
2: Detection Coil
adjustment
'
L202 (IF PCB) Input 1kHz, 3.5kHz/Dev.:+66dB^ at 445.03MHz and
.....
•
adjüst L202 so that detection power becomes maximum.
3. UHF FRONT END
adjustment
TC301
,
TC302,
'
TC303, L305, LB06
At 445.03MHz and adjust JC301
,
TC302, TC303’, L305"
and L306, so'that‘ 12dB SINAD sensitivity becomes
..........
maximum.
'
v
; ;• : ..
under - 9 d B
\i
4. S-meter
adjustment
VR202 (IF PCB)
Input a signal of 6dB/i from transceiver tester at ............
445.03MHz Turn VR202 so that Full-bar begins to right.
6dB/i±1dB/i-........-
- l i -