Galaxy
DX Radios DX2517
Documentation Project
CBTricks.com
PLL
Alignment
See Alignment
Location
| SETTINGS | CONNECTION |
ADJUST
|
ADJUST FOR |
| REGULATOR
VOLTAGE: RX Mode, AM, Band D, Ch. 1 |
Connect
Voltmeter positive lead to power switch. Connect Voltmeter negative lead to PCB ground. |
VR601
|
Adjust for 14.3 VDC |
| 10.240
MHz PLL REFERENCE: RX Mode, AM, Band D, Ch. 1 Remove TP7-TP9 Jumper PCB. |
Connect
Frequency counter to IC3 Pin 4. |
Check for 10.2400MHz ±200 Hz. If tolerance is beyond this, replace X1 (10.240MHz). | |
| VCO
OUTPUT: RX Mode, AM, Band D, CH. 1 |
Connect scope to TP3 |
L15
|
Adjust for max. RF |
| VCO
VOLTAGE: RX Mode, AM, Band D, CH. 1 |
Connect DC voltmeter to TP2 |
L14
|
Adjust
for 2.75 VDC ±0.1 Vdc. Check Band A, CH. 1 for approx. 2.0V. and Band H. CH. 40 for approx. 6.0V. |
| PLL
MIXER OSCILLATOR: RX Mode, AM, Band D, CH. 1 Set Fine and coarse clarifier control to 12 oclock position. Set clarifier switch to RX/TX |
Connect Frequency Counter to TP3. |
L17
|
AM:
Adjust for 16.2700MHz ±20 Hz. |
|
L18
|
USB:
Adjust for 16.2725MHz ±20 Hz. |
||
|
L19
|
LSB:
Adjust for 16.2675MHz ±20 Hz. |
||
| FREQUENCY
COUNTER: Set mode to AM RX Band D, CH.1 |
VC1
on Counter PCB
|
Adjust VC1 on counter PCB for correct reading on display. |
Disclaimer: Although the greatest care has been taken while compiling these documents,
we cannot guarantee that the instructions will work on every radio presented.