Pll And Transmitter Adjustments - Icom IC-M1V Service Manual

5-2 PLL AND TRANSMITTER ADJUSTMENTS

Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.
ADJUSTMENT
PLL 1 • Operating channel : ch 16
LOCK • Receiving
VOLTAGE
2 • Operating channel : ch 16
• Connect the RF power meter or 50 Ω
dummy load to the antenna connector.
• Transmitting
1 • Operating channel : ch 16
REFERENCE
• Connect the RF power meter or 50 Ω
FREQUENCY
dummy load to the antenna connector.
• Transmitting
1 • Operating channel : ch 16
OUTPUT
• [H/L] switch
POWER
• Transmitting
2 • [H/L] switch
• Transmitting
3 • [H/L] switch
• Transmitting
1 • Operating channel : ch 16
FM
• [H/L] switch
DEVIATION
• Connect the audio generator to the
[MIC] jack and set as:
• Set the FM deviation meter as:
HPF
LPF
De-emphasis
Detector
• Transmitting
ADJUSTMENT CONDITION
: High
: Low
: Extra low
: High
1.0 kHz/40 mV rms.
: OFF
: 20 kHz
: OFF
: (P–P)/2
MEASUREMENT
UNIT LOCATION
Use the adjustment program.
(see page 5-2)
Top Loosely couple the frequnecy
panel counter to the antenna connec-
tor.
Top Connect the RF power meter to
panel the antenna connector.
Top Connect the FM deviation meter
panel to the antenna
through the attenuator.
5 - 3
VALUE
2.3–3.3 V
Verify on the com-
puter display (LVIN)
156.800000 MHz
5.0 W (except [FRG])
1.0 W ([FRG] only)
1.0 W (except [FRG])
0.5 W ([FRG] only)
0.5 W (except [FRG])
±4.3 kHz
connector