Icom IC-92AD Service Manual page 28

5-4 DEVIATION ADJUSTMENTS (continued)
Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL].
ADJUSTMENT
DIGITAL VOICE 0 • Supply voltage : 7.4 V
DEVIATION
[PREPARATION]
(VCO MODULATION) 1 • Displayed freq. : "
[VHF (BAND LOW)]
[VHF (BAND HIGH)] 2 • Displayed freq. : "(2)"
[UHF (BAND LOW)] 3 • Displayed freq. : "(3)"
[UHF (BAND HIGH)] 4 • Displayed freq. : "(5)"
(REF. MODULATION) 5 • Displayed freq. : "
[VHF (BAND LOW)]
[VHF (BAND HIGH)] 6 • Displayed freq. : "(2)"
[UHF (BAND LOW)] 7 • Displayed freq. : "(3)"
[UHF (BAND HIGH)] 8 • Displayed freq. : "(5)"
[USA]
[SEA], [CHN], [EXP], [CAN]
MODULATION ANALYZER
(0.1–500 MHz)
SETTING
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P-P)/2
ADJUSTMENT CONDITION
• Transmitting
• Transmitting
• Transmitting
• Transmitting
• Transmitting
• Transmitting
• Transmitting
• Transmitting
(1) (2) (3)
ATTENUATOR
(30 dB/10 W)
OPERATION
• Connect a Modulation Analyzer
t o t h e a n t e n n a c o n n e c t o r
through an Attenuator.
• No audio signals are applied.
" • Adjust the deviation using
[DIAL], then release the PTT
and push [BAND] to store the
adjustment value.
"
(4) (5)
JIG cable
(See the page 5-1)
Be sure the polarity.
To the battery contact pins
5 - 12
ADJUSTMENT
ITEM
–
[ ]
[ ]
(6) (7)
7.4 V
DC power supply
–
+
Fusese
(3A)
VALUE
–
1.1–1.3 kHz
Minimum
deviation
−
⊕