Icom IC-R7O Maintenance Manual page 42

RECEIVER ADJUSTMENT (Continued)
Adjustment
item
PBT fre-
quency
Manitenr
| operation
check
* NOTCH
PBT freq. adj. L13-
EF UNIT
| # Mode: AM NLAIN
_| #MONL GAIN: LOW
Conditions Unit | Measurement
for adjustment location
Connect frequency
# PBT: ON (completely } counter to Ree.
lett}
# PET: OWN (completely
right}
® Mode: SSB
* PBT: ON (completely
left)
® Wode: Al
e PBT: OFF
. * Made: SSE
* PBT: ON center
@ lode: AM
® Manitor: ON MUTE LED
# MONI. GAIN: HI
(main unités1)
Input +74 dB signal
Built-in S-meter
from $86,
Adjustment
Value
§.46070 MHZ
§.46930 MHz
9.46350 MHz
9.46500 MHz
9.46650 MHz
9.46650 MHz
+ 200 Hz
9.46500 MHz
* 500 Hz
Wlurminatic rn
Anprox. 55 +
10 dB
Adjustment
localian
L13
R18
R19
Verification
| Verification
Note: For adjustments 1 ~ 3, connect MUTE terminal (rear panel) to ground; monitor circuit should be im
operation condition.
Built-in S-meter
Rg
———— F711
Rig
R19
PBT freq. adj.
r
sy ©
| S1
| Note: MONI. GAIN must be returned to HI after adjustment 3 completed.
| A special tool is needed for adjustment: please contact our service representative.
| Verification