55
2) VCO and RX Adjustment Specification
Adjustment
Frequency
439.00MHz
TX
MAIN TC101
Adjust so that Tx Frequency
becomes within 439.00MHz±100Hz
VCO
Adjustment
425.00MHz
RX
VCO L503
Adjust so that PD voltage becomes
1.7V
VCO
Confirmation
511.95MHz
RX
VCO
Confirm if PD voltage becomes less
than 9.0 V
Rx Signal
Sensitivity
Adjustment
440.05MHz
430.05MHz
440.05MHz
450.05MHz
MAIN TC103
TC102
L103, L102
It is a tracking generator from an
antenna connector. -30dBm is
inputted.And when CN109 is seen
with a spectrum analyzer, by the
maximum gain, it becomes as it is
shown in the following figure, and
appearance adjustment is carried
out.
430.00M 450.00M
At -7.5dBu SINAD more than 12dB
At -7.5dBu SINAD more than 12dB
At -7.5dBu SINAD more than 12dB
Squelch
Adjustment
440.05MHz
SSG OFF
Indication 01
MAIN VR101
Adjust so that the squelch stops at
perfectly close location
S Meter
Adjustment
440.05MHz
SSG20dBu 1KHz
3.5KHz/DEV
MAIN VR102
Adjust so that all the indicator
appears
ITEM
CONDITION
UNIT
ADJ.SPOT
ADJUSTING METHOD
3) Tx Adjustment Specification
HI POWER
Adjustment
440.00MHz
HI POWER
MAIN VR103
Adjust to 35.0±1.0W
MID POWER
Adjustment
440.00MHz
MID POWER
MAIN VR104
Adjust to 10.0±1.0W
LOW POWER
Confirmation
440.00MHz
LOW POWER
MAIN
Confirm if it becomes
5.0±1.0W
Maximum
Deviation
Adjustment
440.00MHz
MOD
1KHz40mVemf
WIDE
MAIN VR107
4.5±0.1KHz/DEV
Maximum
Deviation
Adjustment
440.00MHz
MOD
1KHz40mVemf
NARROW
MAIN VR105
2.2±0.1KHz/DEV
Mic Gain
Adjustment
440.00MHz
MOD
1KHz4mVemf
WIDE
MAIN VR106
3.0±0.1KHz/DEV
CTCSS
Modulation
Level
Confirmation
440.00MHz
88.5Hz
MAIN
800±200Hz/DEV 3KHz LPF ON
DCS
Modulation
Level
Confirmation
440.00MHz
255 Code
MAIN
800±200Hz/DEV 3KHz LPF ON
1750Hz
Modulation
Level
Confirmation
440.00MHz
1750Hz
MAIN
3.0±0.5KHz/DEV
DTMF
Modulation
Level
Confirmation
440.00MHz
DTMF
Press the V/M
key during TX
MAIN
ITEM
CONDITION
UNIT
ADJ.SPOT
ADJUSTING METHOD
3.0 ±0.5KHz/DEV
1
Содержание DR-135
Страница 14: ...14 12 M3826M8L269GP XA0818 CPU Terminal Connection TOP VIEW 269 ...
Страница 23: ...23 11 M57788M XA0077 ...
Страница 31: ...31 3 LCD Assembly FF0017 NUT UE0035 FM0034 FG0305 CPU BOARD ST0064 EL0049 TL0024 DG0037 TL0023 NUT ST0068 ...
Страница 59: ...59 3 MAIN Unit Side A DR 135 UP 0400B 4 MAIN Unit Side B DR 135 UP 0400B ...
Страница 61: ...61 7 MAIN Unit Side A DR 435 UP 0415 VCO Unit Side A VCO Unit Side B 8 MAIN Unit Side B DR 435 UP 0415 ...
Страница 62: ...62 9 TNC Unit Side A UP 0402 DR 135TP only OPTION unit EJ41U 10 TNC Unit Side B UP 0402 DR 135TP only ...
Страница 65: ...65 3 MAIN Unit DR 235 TO CN6 OPTION CN7 TO CPU CN2 TO CPU CN1 TO OPTION Downloaded by RadioAmateur EU ...
Страница 67: ...67 5 TNC Unit DR 135TP only or option CN6 CN7 TO MAIN CN107 ...
Страница 68: ...68 BLOCK DIAGRAM 1 DR 135 ...
Страница 69: ...69 2 DR 235 Downloaded by RadioAmateur EU ...
Страница 70: ...70 3 DR 435 ...