Icom IC-E90 Service Manual page 30

ADJUSTMENT MODE ADJUSTMENTS (Continued)
The following adjustment must be performed at "ADJUSTMENT MODE".
ADJUSTMENT ADJUSTMENT CONDITION
RF
11 • Displayed frequency :
TRACKING
(TM ch.) 430.100 MHz
• Connect the SSG to the antenna
connector and set as:
Level
Modulation
Deviation
• Receiving
12 • Displayed frequency :
(TH ch.)
• Receiving
13 • Displayed frequency :
(TL ch.)
• Receiving
14
• Displayed frequency :
(TH ch.)
• Receiving
15
• Displayed frequency :
(TL ch.)
• Set the SSG as:
Level
• Receiving
16
• Displayed frequency :
(TH ch.)
• Set the SSG as:
Level
• Receiving
CONVENIENT:
*This output level of the standard signal generator (SSG) is indicated as SSG's open circuit.
When adjusting by automatically, must change the SSG's level which is depened on adjustment frequencies as shown above.
NOTE:
A: [EUR], [ITR], [UK] only
B: except [ESP]
UNIT
AF
: 0.5 µV
*
(–113 dBm)
: 1 kHz
: ± 3.5 kHz
499.100 MHz A
450.100 MHz A
569.100 MHz A
630.100 MHz A
: 1 µV
*
(–107 dBm)
900.100 MHz A
: 3.2 µV
*
(–97 dBm)
The "RF TRACKING" can be adjusted automatically.
q: Set the Displayed frequency (TL ch.) 30.100 MHz
w: Connect the SSG to the antenna connector and set as:
Level
Modulation
Deviation
e: Receiving
r: Push the [BAND] key to start tuning, automatically.
t: Repeat q-r to perform additional frequencies.
MEASUREMENT
LOCATION
Connect a DC volt-
meter or oscillo
scope to the IC151,
pin 12 ("SD" line).
: 0.5 µV (–113 dBm)
*
: 1 kHz
: ± 3.5 kHz
5 - 13
ADJUSTMENT
POINT
VALUE
UNIT
Maximum voltage Top
panel
Maximum voltage
Maximum voltage
Maximum voltage
Maximum voltage
Maximum voltage
ADJUST
[DIAL]
[DIAL]
[DIAL]
[DIAL]
[DIAL]
[DIAL]