Adjustment Procedures; Preparation - Icom IC-PCR1500 Service Manual

SECTION 5

5-1 PREPARATION

When adjusting IC-PCR1500/PCR2500, controller for the R1500/R2500 and JIG cable (see the illust below) are required.
¤ REQUIRED TEST EQUIPMENTS
EQUIPMENT
Frequency range : 0.1–3300 MHz
Standard signal
Output level
generator (SSG)
Frequency range
Frequency counter Frequency accuracy : ±1 ppm or better
Sensitivity
CAUTION!:
BACK UP the originally programmed memory data in the receiver before starting the adjustment.
There is possiblity of losing original memory data when the adjustment is finished.
Before starting adjustment:
• Remove the top cover and sheild cover on the MAIN-A UNIT. (Refer to the "SECTION 3" for details)
• Set the AF switch to "PHONES." (Refer to the instruction manual for details)
• CONNECTION
<FOR IC-PCR1500 ADJUSTMENT>
<FOR IC-PCR2500 ADJUSTMENT>

ADJUSTMENT PROCEDURES

GRADE AND RANGE
: 0.1 µV to 32 mV
(–127 to –17 dBm)
: 0.1–30 MHz
: 100 mV or better
EQUIPMENT
AC milliwattmeter Measuring range : 10 µW to 100 mW
Input impedance : 8 Ω
External speaker
Capacity
5 - 1
GRADE AND RANGE
: More than 5 W