Transmit Adjustment - Icom IC-A210 Service Manual

4-3 TRANSMIT ADJUSTMENT

Select an adjustment item using [↑] / [↓] keys, then set to the specifi ed value using [←] / [→] keys on the connected PC's keyboard.
ADJUSTMENT ADJUSTMENT CONDITION
TX 1 • CH No. : [AM MID]
Output Power • No audio signals applied to the
-Preset- MIC line.
(Low) • Receiving
(Mid)
(High)
TX 2 • CH No. : [AM LOW]
Output Power • No audio signals applied to the
-VDD voltage- MIC line.
(Low) • Transmitting
(Mid) • CH No. : [AM MID]
• No audio signals applied to the
MIC line.
• Transmitting
(High) • CH No. : [AM HIGH]
• No audio signals applied to the
MIC line.
• Transmitting
TX 3 • CH No. : [AM LOW]
Output Power • No audio signals applied to the
-Adjust- MIC line.
(Low) • Transmitting
(Mid) • CH No. : [AM MID]
• No audio signals applied to the
MIC line.
• Transmitting
(High) • CH No. : [AM HIGH]
• No audio signals applied to the
MIC line.
• Transmitting
Deviation 1 • Connect a Modulation Analyzer
-Preparation- to the antenna connector
through an attenuator.
• Connect an Audio Generator to
the MIC1 line.
Deviation 2 • CH No. : [AM MID]
-MIC gain preset- • Receiving
(MIC1)
(MIC2)
Deviation 3 • CH No. : [AM MID]
-Adjust- • Transmitting
(Low)
(Mid) • CH No. : [AM MID]
• Transmitting
(High) • CH No. : [AM HIGH]
• Transmitting
Deviation 4 • CH No. : [AM MID]
-MIC gain adjust- • Set the Audio Generator as;
(MIC1) Level
• Transmitting
(MIC2)
Set the adjustment value on the
CS-A210 ADJ.
Connect a Digital voltmeter to the CP2
on the MAIN UNIT.
Adjust the adjustment value on the
CS-A210 ADJ.
Set the Modulation Analyzer as;
HPF
LPF
De-emphasis : OFF
Detector
Set the Audio Generator as;
Modulation
Level
Wave form
Set the adjustment value on the
CS-A210 ADJ.
Adjust the adjustment value on the
CS-A210 ADJ.
Adjust the adjustment value on the
CS-A210 ADJ.
: 80 mV rms
4 - 4
OPERATION
: OFF
: OFF
: (P-P)/2
: 1 kHz
: 300 mV rms
: Sine wave
ADJUSTMENT
VALUE
ITEM/POINT
[F5]
(CS-A210 ADJ)
"200"
(adjust
[F6]
value)
(CS-A210 ADJ)
[F7]
(CS-A210 ADJ)
[F14]
(CS-A210 ADJ)
[F15]
14.3–14.7 V
(CS-A210 ADJ)
[F16]
(CS-A210 ADJ)
[F5]
(CS-A210 ADJ)
7.8–8.2 W
[F6]
[A210]
(CS-A210 ADJ)
[F7]
(CS-A210 ADJ)
– –
– –
[F11]
(CS-A210 ADJ)
75
[F12]
(CS-A210 ADJ)
[F8]
(CS-A210 ADJ)
[F9]
86–90%
(CS-A210 ADJ)
[F10]
(CS-A210 ADJ)
[F11]
(CS-A210 ADJ)
70–80%
[F12]
(CS-A210 ADJ)