Alinco DR-435 - DR-135 VCO and RX Adjustment Specification; DR-135 Tx Adjustment Specification

47
2) VCO and RX Adjustment Specification
ITEM
Adjustment
Frequency
145.90MHz
TX
MAIN TC101 Adjust so that Tx Frequency
becomes within 145.90MHz±100Hz
VCO
Adjustment
136.00MHz
RX
MAIN L123 Adjust so that PD voltage becomes
1.5V
VCO
Confirmation
173.99MHz
RX
MAIN Confirm if PD voltage becomes less
than 7.3 V
Rx Signal
Sensitivity
Adjustment
146.05MHz
136.05MHz
146.05MHz
173.95MHz
MAIN L105, L104
L103, L102
Repeatedly adjust so that the Rx
sensitivity becomes in maximum.
Confirm:
At -7dBu SINAD more than 12dB
At -8dBu SINAD more than 12dB
At -6dBu SINAD more than 12dB
Squelch
Adjustment
146.05MHz
SSG OFF
Indication 01
MAIN VR101 Adjust so that the squelch stops at
perfectly close location
S Meter
Adjustment
146.05MHz
SSG20dBu 1KHz
3.5KHz/DEV
MAIN VR102 Adjust so that all the indicator
appears
CONDITION
UNIT ADJ.SPOT ADJUSTING METHOD
3) Tx Adjustment Specification
HI POWER
Adjustment
146.00MHz
HI POWER
MAIN VR103 Adjust to 50.0±1.0W
MID POWER
Adjustment
146.00MHz
MID POWER
MAIN VR104 Adjust to 10.0±1.0W
LOW POWER
Confirmation
146.00MHz
LOW POWER
MAIN Confirm if it becomes 4.0 ±1.0W
Maximum
Deviation
Adjustment
146.00MHz
MOD
1KHz40mVemf
WIDE
MAIN VR107 4.5±0.1KHz/DEV
Maximum
Deviation
Adjustment
146.00MHz
MOD
1KHz40mVemf
NARROW
MAIN VR105 2.2±0.1KHz/DEV
Mic Gain
Adjustment
146.00MHz
MOD
1KHz4mVemf
WIDE
MAIN VR106 3.0±0.1KHz/DEV
CTCSS
Modulation
Level
Confirmation
146.00MHz
88.5Hz
MAIN 800±200Hz/DEV 3KHz LPF ON
DCS
Modulation
Level
Adjustment
146.00MHz
255 Code
MAIN VR108 800±50Hz/DEV 3KHz LPF ON
1750Hz
Modulation
Level
Confirmation
146.00MHz
1750Hz
MAIN 3.0±0.5KHz/DEV
DTMF
Modulation
Level
Confirmation
146.00MHz
DTMF
Press the V/M
key during TX
MAIN
ITEM
CONDITION
UNIT ADJ.SPOT ADJUSTING METHOD
1
3.0 ±0.5KHz/DEV