Receive Adjustments - Icom iV86 Service Manual Addendum

4-3 RECEIVE ADJUSTMENTS

ADJUSTMENT
NOISE SQUELCH 1
-Adjustment-
S-METER 1
-Adjustment-
RECEIVE 1
SENSITIVITY
-Verification-
2
3
AUDIO OUTPUT 1
LEVEL
-Verification-
RECEIVE S/N 1
RATIO
-Verification-
2
3
RECEIVING 1
CURRENT
-Verification-
(Maximum audio)
(Stand-by) 2
DEFAULT 1
BATTERY PACK
SETTING
*
The output level of the standard signal generator (SSG) is measured at the load end (PD).
ADJUSTMENT ITEM
DISPLAY
• Connect the standard signal
• Receiving
• Set the SSG as:
• Receiving
• Connect the distortion meter and
• Set the SSG as:
• Receiving
• Set the SSG as:
• Receiving
• Set the SSG as:
• Receiving
• Set the SSG as:
• Receiving
• Adjust the audio output level so that
• Receiving
• Adjust the audio output level so that
• Toggle the SSG's modulation ON
• Set the SSG as:
• Receiving
• Set the SSG as:
• Receiving
• Connect the ammeter between the
• Set the SSG modulation ON.
• Receiving
• Adjust the audio output to the
• No optional unit is connected.
• No RF signal is received.
• Squelch closed.
SETTING CONDITION
generator (SSG) to the antenna
connector and set it to:
Frequency: 146.020 MHz
Modulation: 1 kHz
Deviation: ±1.5 kHz
: −17 dBµ (‒124 dBm)
*
Level
: −13 dBµ (‒120 dBm)
*
Level
the external speaker to [SP] through
the JIG cable 2.
Frequency: 136.020 MHz
Level: Set to the level so
that the distortion
meter shows 12 dB
SINAD.
Frequency: 155.020 MHz
Level: Set to the level so
that the distortion
meter shows 12 dB
SINAD.
Frequency: 173.980 MHz
Level: Set to the level so
that the distortion
meter shows 12 dB
SINAD.
Frequency: 155.020 MHz
: +60 dBµ (−47 dBm)
*
Level
the distortion meter shows 5% of
distortion.
the distortion meter shows 1.34 V.
and OFF.
Frequency: 136.020 MHz
Frequency: 173.980 MHz
JIG battery case and the DC power
supply.
maximum level.
‒
4-7
OPERATION
Push [# ENT]•[ ].
(Automatic adjustment)
Push [# ENT]•[ ].
(Automatic adjustment)
Less than −10 dBµ (−117 dBm)
*
(SSG output level)
More than 0.45 W
(More than 1.90 V)
More than 34 dB
Less than 0.6 A
Less than 80 mA
Select 01 (Ni-MH for #13) or 02
(Li-ion for #11, #12, and #31) by
[VOL], then push [# ENT]•[ ].