2) VCO and RX Adjustment Specification
ITEM
CONDITION
UNIT
ADJ. SPOT
ADJUSTING MRTHOD
Adjustment
Frequency
29.00MHz
TX
MAIN
TC601
Adjust so that Tx Frequency becomes
within 29.00MHz +/- 100Hz
VCO
Adjustment
29.00MHz
RX
MAIN
L123
Adjust so that PD voltage becomes 6.0 +/-
0.1V
Rx Signal
Sensitivity
Adjustment
29.05MHz
26.05MHz
29.05MHz
39.05MHz
MAIN
L105, L104
L103, L102
Repeatedly adjust so that the Rx sensitivity
becoms in maximum/.
Confirm:
At-8dBu SINAD more than 12dB
At-9dBu SINAD more than 12dB
At 10dBu SINAD more than 12dB
Squelch
Adjustment
29.05MHz
SSG OFF
Indicate 01
MAIN
VR101
Adjust so that the squelch stops at
perfectly close location
S Meter
Adjustment
29.05MHz
SSG 20dBu
MAiN
VR102
Adjust so that ali the indicator appears
3) TX Adjustment Specification
ITEM
CONDITION
UNIT
ADJ. SPOT
ADJUSTING MRTHOD
HI POWER
Adjustment
29.00MHz
HI POWER
MAIN
VR103
Adjust to 11.0 +/-0.5W
MID POWER
Adjustment
29.00MHz
MID POWER
MAIN
VR104
Adjust to 5.0 +/- 0.5W
LOW POWER
Confirmation
29.00MHz
LOW POWER
MAIN
Confirm if it becomes 1- 4W
Maximum
Deviation
Adjustment
29.00MHz
MOD
1 KHz 40mVemf
MAIN
VR107
4.5 +/- 0.1 KHz/DEV (DR-M03R)
2.2 +/- 0.1 KHz/DEV (DR-03T)
Mic Gain
Adjustment
29.00MHz
MOD
1 KHz 4mVemf
MAIN
VR106
3.0 +/- 0.1 KHz/DEV (DR-M03R)
1.5 +/- 0.1 KHz/DEV (DR-03T)
CTCSS
Modulation
Level
Confirmation
29.00MHz
88.5Hz
MAIN
800 +/- 200HZ/DEV (DR-M03R)
400 +/- 200HZ/DEV (DR-03T)
3KHzLPF ON
DCS
Modulation
Level
Adjustment
29.00MHz
255 Code
MAIN
VR108
800 +/- 50HZ/DEV
(DR-M03R)
600 +/- 100Hz/DEV (DR-03T)
3KHzLPF ON
1750Hz
Modulation
Level
Adjustment
29.00MHz
1750Hz
MAIN
VR109
3.0 +/- 0.1 KHz/DEV (DR-M03R)
1.5 +/- 0.1 KHz/DEV (DR-03T)
DTMF
Modulation
Level
Confirmation
29.00MHz
DTMF 1
Press the V/M key
during TX
MAIN
3.0 +/- 0.5KHz/DEV (DR-M03R)
1.5 +/- 0.5KHZ/DEV (DR-03T)
27
Содержание DR-03T
Страница 17: ... ...
Страница 18: ...15 L C D Connection TTR3626UPFDHN ...
Страница 19: ...2 Top and Front View AA0050 NK0073 18 ...
Страница 20: ...3 Bottom View AA0050 ...
Страница 21: ...FF0017 1 LCD Assembly EXPLODED VIEW 20 ...
Страница 30: ...PC BOARD VIEW 1 CPU Unit SIDE A DR M03RI DR 03T UP0584 2 CPU Unit SIDE B DR M03RI DR 03T UP0584 Bonding ...
Страница 31: ...3 MAIN PA Unit Side A DR M03RI DR 03T UP0584 ...
Страница 33: ...SCHEMATIC DIAGRAM 1 CPU Unit DR M03RI DR 03T P O W E R JP3 M03R NC 03T JUMPER fM ACT 0 GG ...
Страница 34: ...2 MAIN Unit DR M03RI DR 03T 3 2 ...
Страница 35: ...1 DR M03R DR 03T BLOCK DIAGRAM 33 ...