Icom IC-M36 Service Manual - Page 5

Jig Cable, Adjustment, Transceiver's, Condition, Operation, Value, 4 Transmit Adjustments Continued

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Feb. 2012 (Replacement page) 5-4 TRANSMIT ADJUSTMENTS (continued) Select an adjustment item using keys, then set to the specified value using keys on the connected PC's keyboard. ADJUSTMENT ADJUSTMENT ITEM TRANSCEIVER'S CONDITION DEVIATION 1 • CH. : 16 • TX power : Low [MOD] • Transmitting OPERATION VALUE 1) Connect a Modulation analyzer to the antenna connector through an Attenuator. ±4.30 to ±4.40 2) Apply specified audio signals through kHz the JIG cable. (see the illust below). 3) Adjust the deviation. JIG cable ATTENUATOR (30 dB/10 W) MODULATION ANALYZER (0.1-300 MHz) SETTING; HPF LPF De-emphasis Detector : OFF : 20 kHz : OFF : (P-P)/2 ‭ JIG CABLE OPC-478/UC EXT. SPEAKER (1 W/8 Ω) AUDIO GENERATOR (300-3000 Hz/1-500 mV) +− SETTING; Frequency : 1 kHz Level : 25 mVrms Waveform : Sine wave AC −+ 4.7 µF MILLIVOLT METER (10 mV to 10 V) PTT 33 kΩ + + 47 µF (MIC line) WHITE (MIC) (SP line) RED (AFOUT) (CLONE line) BLUE (CLONE) +− OPC-1655 (Parts No.: 8900016330) SHIELD (GND) To the transceiver 5 - 6

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(Replacement page)
Feb. 2012
5 - 6
JIG cable
ATTENUATOR
(30 dB/10 W)
MODULATION ANALYZER
(0.1–300 MHz)
SETTING;
HPF
: OFF
LPF
: 20 kHz
De-emphasis
: OFF
Detector
: (P-P)/2
ADJUSTMENT
ADJUSTMENT
ITEM
TRANSCEIVER’S
CONDITION
OPERATION
VALUE
DEVIATION
1
[MOD]
• CH.
: 16
• TX power
: Low
• Transmitting
1)
Connect a Modulation analyzer to
the antenna connector through an
Attenuator.
2)
Apply specified audio signals through
the JIG cable. (see the illust below).
3)
Adjust the deviation.
±4.30 to ±4.40
kHz
Select an adjustment item using [
↑
] / [
↓
] keys, then set to the specified value using [
←
] / [
→
] keys on the connected PC’s keyboard.
5-4 TRANSMIT ADJUSTMENTS (continued)
+
±
EXT. SPEAKER
(1 W/8
Ω)
SETTING;
Frequency
: 1 kHz
Level
: 25 mVrms
Waveform : Sine wave
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
+
±
+
±
AC
MILLIVOLT METER
(10 mV to 10 V)
+
47 μF
+
4.7 μF
OPC-478/UC
WHITE (MIC)
(MIC line)
(SP line)
BLUE (CLONE)
SHIELD (GND)
(CLONE line)
OPC-1655
(Parts No.: 8900016330)
To the transceiver
RED (AFOUT)
PTT
33 k
Ω
█
JIG CABLE