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
Measurement
Adjustment
Specification
Item
Test equipment
Unit
Terminal
Unit
Parts
Method
Frequency
Frequency: 29.00MHz TX
Freq.Counter
TC3
29.00
+/- 100Hz
LOW
Power Meter
Back
ANT
MAIN
MHz
PLL VCO
Frequency: 52.00MHz TX
Digital
Main
PD
PLL
L302
8.2V
8.1-8.3V
Frequency:1 29.03MHz
L4-L6
SINAD:
Turn the coil L14,
SSG out: -7dBu
RX
L14
MAX
L4,L5,L6,L4,L5 to
the MAX in order
RX
Distortion Meter
Sensitivity
Frequency: 29.03MHz RX
SSG
SSG out:-7dBu
Main
Main
SINAD is
Frequency: 26.03MHz
above12dB
SSG out: 0dBu
Frequency: 40.00MHz RX
SSG out: 30dBu
Frequency: 29.03MHz
Full
S Meter
SSG out: 15dBu
RX
Main VR5
flashing
Mod: 1KHz
LCD S Meter Front
Frequency: 29.03MHz
Panel
SSG out:OFF
RX
Check S Meter does
Mod: 1KHz
not light.
Frequency: 29.03MHz
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: 29.00MHz TX
VR1
10.5W +/- 0.5W(T)
High
Power Meter
Back
ANT
Main
Frequency: 29.00MHz TX
VR6
Narrow Version
Low Power Power:Low *1
Low
1.0w
+/- 0.1W(T)
Frequency: 29.00MHz 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: 29.00MHz 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: 29.00MHz 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
Page 28
Содержание DR-M03SX
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Страница 13: ...11 M57735 XA0271 50 54MHz RF Power Module Page 14 ...
Страница 14: ......
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Страница 16: ......
Страница 17: ......
Страница 18: ...ES0017 KZ0047AZ KS0041CZ FF0031 FF0028 ...
Страница 19: ...KZ0012 DRM06 KZ0025 DRM03 AD0010 DRM06TH AB0011 DRM03SX ...
Страница 20: ...DR M03SX AB0011 L502 QR0112 L501 QR0018 C504 103 C501 C502 C503 2SC3133 Q501 UP0255A Page 20 1 ...
Страница 29: ...DRM06 MAIN Unit Page 32 1 ...
Страница 30: ...DRM06 MAIN Unit 39P Page 32 2 ...
Страница 31: ...DRM03 MAIN Unit Page 33 1 ...
Страница 32: ...DRM03 MAIN Unit Page 33 2 ...
Страница 33: ...DRM06 DR03 CPU unit Page 34 1 ...
Страница 34: ...DRM06 DR03 CPU unit Page 34 2 ...
Страница 37: ...PC BOARD VIEW 1 3 Main Unit Side A Page 35 3 ...
Страница 39: ...3 CPU Unit Side A 4 CPU Unit Side B Page 37 1 R223 ...
Страница 40: ...3 1 CPU Unit Side A 4 2 CPU Unit Side B Page 37 2 R244 R243 S202 S203 R242 R241 R287 ...