Uniden
HR2510
Documentation Project
CBTricks.com
TX Alignment
Equipment required:
DC Power Supply (13.8V) more than 1 0A
AF S.S.G. AM FM (1kHz, 500Hz and 2400Hz)
RFVTVM Oscilloscope
DC AM METER RF Power Meter
AFVTVM Dummy Load (50 ohm)
FM Linear Detector
|
STEP
|
SETTINGS | CONNECTION |
ADJUST
|
ADJUST FOR |
|
1.
|
VR112
Clockwise VR113 : CounterClockwise VR103 : Clockwise SWR/CAL Middle Position FREQ. 28.000 MHz PA SW OFF METER SW : RF MicGain SW: OFF TX SW : OFF Mode: USB No.mod Remove the B002 (PB-100) from Main PCB. |
Connect
a DC AM Meter (+) to TP4, (-) to TP3. |
VR112
|
Adjust for 50 mA reading on the DC AM Meter. |
|
2.
|
Same as above. | Connect the DC AM Meter(+) to TP4, (-) to TP2. |
VR113
|
Adjust for 50 mA reading on the DC AM Meter. |
|
3.
|
Reinstall
the B002 to the Main PCB. 1 mV modulation |
Disconnect the DC AM Meter. Connect a RF Power meter to the ANT. jack.Connect a RF VTVM, an oscilloscope and an FM Linear Detector across an RF Dummy load to the RF Power meter. |
L111
|
Adjust
for maximum reading on the RF VTVM. During this step, set the AF oscillator so that the output is less than 20V. Repeat this step two times. |
|
4.
|
30mV modulation | Same |
VR104
|
Adjust for 32.5V reading on the RF VTVM. |
|
5
|
Same | Same |
VR106
|
Adjust so that the carrier leakage at USB and LSB become minimum and almost equal. |
|
6.
|
Mode: CW No Mod. |
Connect a SW to between Pin 8 and 9 of ACC connector. then turn on the SW. |
VR103
|
Adjust for 21W reading on the power meter. |
|
7.
|
Mode AM No Mod. |
Same |
VR107
|
Adjust for 10W reading on the RF power meter. |
|
8.
|
Same | Same |
VR117
|
Adjust so that “9” LCD just comes on. |
|
9.
|
1 kHz, 30mV Modulation | Same |
VR114
|
Adjust to obtain the 85% negative reading on the oscilloscope. |
|
10.
|
1kHz,
1mV Modulation INDIC: MOD |
Same |
VR115
|
Adjust so that “9” LCD just lights on. |
|
11.
|
Mode: FM 1kHz, 30mV Modulation |
Connect FM Linear Detector |
VR105
|
Adjust for ± 3kHz deviation reading on the FM Linear Detector. |
|
12.
|
Mode:CW No Mod. |
Connect an AF VTVM across a dummy load (8ohm) to between Pin 1 and Pin 2 of ACC connector. When turn on the SW, |
VR116
|
Adjust for 0.4V reading on the AF VTVM. |
Disclaimer: Although the greatest care has been taken while compiling these documents,
we cannot guarantee that the instructions will work on every radio presented.