Adjustment Procedures; Preparation - Icom FP-561 Service Manual

SECTION 4 ADJUSTMENT PROCEDURES

4-1 PREPARATION

' ' REQUIRED TEST EQUIPMENT
EQUIPMENT
Output voltage
DC power supply
Current capacity
Frequency range
Frequency counter Frequency accuracy : ±1 ppm or better
Sensitivity
DC voltmeter Input impedance
Frequency range
Spectrum analyzer
Spectrum bandwidth: ±100 kHz or more
' ' CONNECTION
Transom-
transducer
Through-hull type
transducer
Standard signal
generator
Coupler
R
FP-561
R
D: 1N4002
R: 100
A coupler should be prepared by each
user. The coupler will protect the signal
generator from transmitter power.
GRADE AND RANGE
: 11–30 V DC
: 3 A or more
: 0.1–10 MHz
: 100 mV or better
: 50 k /V DC or better
: At least 10 MHz
EX-1622
type
(Option)
EX-1010
(Option)
TRANSDUCER
Coupler
D D
SSG
(3 W)
EQUIPMENT
Frequency range
Oscilloscope
Measuring range
Frequency range
Tracking generator Output level
Frequency range
Standard signal
Output level
generator (SSG)
FP-561
Marine
Ploter/Sounder
GND
PWR
Battery
11 to 30 VDC
DGPS
RD-200 adjustment
4 - 1
GRADE AND RANGE
: DC–20 MHz
: 0.01–10 V
: 100 kHz–100 MHz
: 1 mV to 71 mV
(–47 dBm to –10 dBm)
: 10 kHz–100 MHz
: 0.1 µV–32 mV
(–127 to –17 dBm)
Ground
Red: + Black: –
RD-200
Differential
GPS receiver
Spectrum
analyzer
Standard signal
generator
Tracking
generator
Frequency
counter