Alinco DR-M03SX, Service Manual

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2) Adjustment for DRM06TH/T
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 51.00MHz
PLL Adjustment
Condition Measurement Adjustment
Specification
Item
Test equipment
Unit Terminal Unit Parts Method
Frequency Frequency: 52.00MHz TX Freq.Counter TC3 52.000 +/- 100Hz
LOW Power Meter Back ANT MAIN MHz
PLL VCO Frequency: 52.00MHz TX Digital Main PD PLL L302 5.2V 5.1-5.3V
Frequency:1 51.03MHz L4-L6 SINAD:
Turn the coil L14,
SSG out: -10dBu RX L14 MAX
L4,L5,L6,L4,L5 to
the MAX in order
RX
Distortion Meter
Sensitivity
Frequency: 51.03MHz RX
SSG
SSG out:-10dBu Main Main SINAD is
Frequency: 45.03MHz above12dB
Frequency: 59.03MHz RX
SSG out: 0dBu
Frequency: 51.03MHz
Full
S Meter SSG out: 15dBu RX Main VR5
flashing
Mod: 1KHz LCD S Meter Front
Frequency: 51.03MHz Panel
SSG out:OFF RX Check S Meter does
Mod: 1KHz not light.
Frequency: 51.03MHz Front
Make
SQL Level SSG out:-10dBu RX LCD Busy Panel Main
sure
that SQL
Busy ON
SQL VR:Threshold
is open
High Power Frequency: 52.00MHz TX VR1 20W +/- 0.5W(TH)
10.5W +/- 0.5W(T)
High Power Meter Back ANT Main
Frequency: 52.00MHz TX VR6 2.0w +/- 0.2W (TH)
Narrow Version
Low Power Power:Low *1 Low 1.0w +/- 0.1W(T)
Frequency: 52.00MHz TX VR2 4.7kHz 4.7 +/-0.1 2.4 +/-0.2
MAX DEV AG:1KHz -30dBm Low /Dev kHz/Dev kHz/Dev
MIC Gain Frequency: 52.00MHz TX VR4 4.0kHz 4.0+/-0.1 2.0+/-0.2
AG:1KHz -47dBm Low Back ANT Main /Dev kHz/Dev kHz/Dev
Frequency: 52.00MHz TX
Linear Detector
CTCSS ToneAG: OFF Low
Power Meter
Check 0.60-0.85 0.35-1.2
DEV ToneSW(88.5Hz):ON
Oscilloscope
kHz/Dev kHz/Dev
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