Adjustment For Dr-M06/03 - Alinco DR-M03SX Service Manual

2) Adjustment for DRM03SX
SSG Mod:1KHz +/-3.5KHz/DEV
SP terminal is connected to 8ohm dummy load.
RX speaker output level is 50 to 100mW
1. Power supply voltage is 13.8V. Power switch is off.
2. Turn the squelch and volume knobs counterclockwise.
3. Press and hold the "F"key,then turn on the power switch.
The display shows that the frequency is 29.00MHz
PLL Adjustment
Condition
Item
Frequency Frequency: 29.00MHz TX
PLL VCO Frequency: 52.00MHz TX
Frequency:1 29.03MHz
SSG out: -7dBu
RX
Frequency: 29.03MHz RX
Sensitivity
SSG out:-7dBu
Frequency: 26.03MHz
SSG out: 0dBu
Frequency: 40.00MHz RX
SSG out: 30dBu
Frequency: 29.03MHz
S Meter SSG out: 15dBu
Mod: 1KHz
Frequency: 29.03MHz
SSG out:OFF
Mod: 1KHz
Frequency: 29.03MHz
SQL Level SSG out:-10dBu
SQL VR:Threshold
High Power Frequency: 29.00MHz TX
Frequency: 29.00MHz TX
Low Power Power:Low *1
Frequency: 29.00MHz TX
MAX DEV AG:1KHz -30dBm
MIC Gain Frequency: 29.00MHz TX
AG:1KHz -47dBm
Frequency: 29.00MHz TX
CTCSS ToneAG: OFF
DEV ToneSW(88.5Hz):ON
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Measurement
Unit
Test equipment
Freq.Counter
LOW Power Meter Back
Digital Main
RX
Distortion Meter
SSG
Main
RX
LCD S Meter Front
Panel
RX
Front
RX LCD Busy Panel
High Power Meter Back
Low
Low
Low Back
Linear Detector
Low
Power Meter
Oscilloscope
Adjustment
Terminal Unit Parts Method
TC3 29.00
ANT MAIN MHz
PD PLL L302 8.2V
L4-L6 SINAD:
L14 MAX
Main
Full
Main VR5
flashing
Check S Meter does
Make
Main
sure
that SQL
is open
VR1
10.5W +/- 0.5W(T)
ANT Main
VR6
1.0w
VR2 4.7kHz 4.7 +/-0.1
/Dev
VR4 4.0kHz 4.0+/-0.1
ANT Main /Dev
Check 0.60-0.85
Specification
+/- 100Hz
8.1-8.3V
Turn the coil L14,
L4,L5,L6,L4,L5 to
the MAX in order
SINAD is
above12dB
not light.
Busy ON
Narrow Version
+/- 0.1W(T)
2.4 +/-0.2
kHz/Dev kHz/Dev
2.0+/-0.2
kHz/Dev kHz/Dev
0.35-1.2
kHz/Dev kHz/Dev
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