51
2) VCO and RX Adjustment Specification
ITEM
CONDITION
UNIT
Adjustment
Frequency
224.90MHz
TX
MAIN TC101
Adjust so that Tx Frequency
becomes within 224.90MHz±100Hz
VCO
Adjustment
225.00MHz
RX
VCO L503
Adjust so that PD voltage becomes
2.2V
VCO
Confirmation
224.99MHz
TX
VCO
Confirm if PD voltage becomes less
than 6.2 V
Rx Signal
Sensitivity
Adjustment
223.50MHz
216.05MHz
223.50MHz
250.05MHz
MAIN L105,
L104
L103, L107
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 -3dBu SINAD more than 12dB
Squelch
Adjustment
223.50MHz
SSG OFF
Indication 01
MAIN VR101
Adjust so that the squelch stops at
perfectly close location
S Meter
Adjustment
223.50MHz
SSG20dBu 1KHz
3.5KHz/DEV
MAIN VR102
Adjust so that all the indicator
appears
ADJ.SPOT
ADJUSTING METHOD
3) Tx Adjustment Specification
HI POWER
Adjustment
223.50MHz
HI POWER
MAIN VR103
Adjust to 25.0±1.0W
MID POWER
Adjustment
223.50MHz
MID POWER
MAIN VR104
Adjust to 10.0±1.0W
LOW POWER
Confirmation
223.50MHz
LOW POWER
MAIN
Confirm if it becomes 4.5±1.0W
Maximum
Deviation
Adjustment
223.50MHz
MOD
1KHz40mVemf
WIDE
MAIN VR107
4.5±0.1KHz/DEV
Maximum
Deviation
Adjustment
223.50MHz
MOD
1KHz40mVemf
NARROW
MAIN VR105
2.2±0.1KHz/DEV
Mic Gain
Adjustment
223.50MHz
MOD
1KHz4mVemf
WIDE
MAIN VR106
3.0±0.1KHz/DEV
CTCSS
Modulation
Level
Confirmation
223.50MHz
88.5Hz
MAIN
800±300Hz/DEV 3KHz LPF ON
DCS
Modulation
Level
Adjustment
223.50MHz
255 Code
MAIN VR108
800±100Hz/DEV 3KHz LPF ON
1750Hz
Modulation
Level
Confirmation
223.50MHz
1750Hz
MAIN
3.0±0.5KHz/DEV
DTMF
Modulation
Level
Confirmation
223.50MHz
DTMF
Press the V/M
key during TX
MAIN 3.0
±0.5KHz/DEV
ITEM
CONDITION
UNIT
ADJ.SPOT
ADJUSTING METHOD
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 ...