Alinco DJ-500E Service Manual page 11

Item
Subaudible tone
deviation (DJ-500T)
1750 Hz tone burst
deviation (DJ-500E)
DTMF deviation
UHF receiving
sensitivity
(SG output: Mod
1 kHz, 3.5 kHz/Dev)
VHF receiving
sensitivity
(SG output: Mod
1 kHz, 3.5 kHz/Dev)
S-meter
(SG output: +6dB |j
EMF)
Squelch sensitivity
■ RF BOARDS ADJUSTMENT POINTS
!
Adjustment Point
VR1
On the "ENC" mode at 449 MHz, turn VR1 so
that the deviation is 0.8 kHz.
VR1
Pressing Tone button at 435.0 MHz, turn VR1
so that the deviation is 3.5 kHz.
VR1
Pressing Q] key at 435.0 MHz
(DJ-500T: 445.0 MHz), turn VR1 so that the
deviation is 3.3 kHz.
TC201
(1) Set the frequency at 435.0 MHz
TC202
TC203
L602
(2) Adjust TC201, TC202, TC203, L602 and
L603
L607
(3) Adjust L607 so that the audio output
L221 (1) Set the frequency at 145.0 MHz and turn
L222
L223 (2) Adjust L221, L222 and L223 so that the
Turn VR603 so that the [Q begins to light.
VR603 (VHF)
Turn VR609 so that the [Q begins to light.
VR609 (UHF)
(1) Connect the antenna terminal to the
VR606
(2) Turn VR606 to set the threshold point.
Adjustment Method
(DJ-500T: 445.0 MHz) and turn the
squelch control to OFF.
L603, so that the RX sensitivity becomes
maximum.
becomes maximum.
the squelch control to OFF.
sensitivity becomes maximum.
chassis ground and set the squelch
volume to the 10 o'clock direction.
h
S < D
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Spec
0.8 kHz
±0.1 kHz
3.5 kHz
±500 Hz
3.3 kHz
±500 Hz
(12 dB SINAD)
(EMF) under
— 6
dBp
under - 6 dB^i
+ 4 ~ + 8 dBp
Threshold
point