Icom ID-5100A, Service Manual

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5-4
ADJUSTMENT ITEM
ADJUSTMENT
CONDITIONS
OPERATION VALUE
144 MHz Band
FM DEVIATION
(Band A) (Band Low) (FM)
[FMS] 1 • Connect a modulation
analyzer with an oscil-
loscope to the antenna
connector, through an
attenuator, and set it as:
HPF: OFF
LPF: 20 kHz
De-emphasis: OFF
Detector: (P–P)/2
• Connect an audio gen-
erator to the [MIC] jack,
and set it as:
Frequency: 1 kHz
Level:
80 mV rms (For [USA])
20 mV rms (Except [USA])
• Transmitting
Rotate Band B [DIAL] to ad-
just the deviation, and then
touch
[ENT] during transmit.
±4.2 kHz
(FM-N)
[FMS] 2 ±2.1 kHz
(Band Center) (FM)
[FMS] 3 ±4.2 kHz
(FM-N)
[FMS] 4 ±2.1 kHz
(Band High) (FM)
[FMS] 5 ±4.2 kHz
(FM-N)
[FMS] 6 ±2.1 kHz
430 MHz Band
FM DEVIATION
(Band B) (Band Low) (FM)
[FMS] 1 ±4.2 kHz
(FM-N)
[FMS] 2 ±2.1 kHz
(Band Center) (FM)
[FMS] 3 ±4.2 kHz
(FM-N)
[FMS] 4 ±2.1 kHz
(Band High) (FM)
[FMS] 5 ±4.2 kHz
(FM-N)
[FMS] 6 ±2.1 kHz
144 MHz Band
FM MODULATION
BALANCE
(Band A) (Band Low) (FM)
[FMB] 1 • Connect a modulation
analyzer with an oscil-
loscope to the antenna
connector, through an
attenuator, and set as:
HPF: OFF
LPF: 20 kHz
De-emphasis: OFF
Detector: (P–P)/2
• No audio applied.
• Transmitting
Rotate Band B [DIAL] to ad-
just the deviation, and then
touch
[ENT] during transmit.
±4.2 kHz
(FM-N)
[FMB] 2 ±2.1 kHz
(Band Center) (FM)
[FMB] 3 ±4.2 kHz
(FM-N)
[FMB] 4 ±2.1 kHz
(Band High) (FM)
[FMB] 5 ±4.2 kHz
(FM-N)
[FMB] 6 ±2.1 kHz
430 MHz Band
FM MODULATION
BALANCE
(Band B) (Band Low) (FM)
[FMB] 1 ±4.2 kHz
(FM-N)
[FMB] 2 ±2.1 kHz
(Band Center) (FM)
[FMB] 3 ±4.2 kHz
(FM-N)
[FMB] 4 ±2.1 kHz
(Band High) (FM)
[FMB] 5 ±4.2 kHz
(FM-N)
[FMB] 6 ±2.1 kHz
M
DEVIATION ADJUSTMENTS
1) Select the adjustment item by rotating Band A [DIAL] .
2) Set or modify the adjustment value as specifi ed, by rotating Band B [DIAL] .
3) Touch [ENT] to store the value.