3 - 1
J9 [ ACC (1) ] socket (Rear panel view)
5
1
6
7
13
14
19
37
33
20
Pin 6 DI
Pin 14 GND
Pin 14 GND
Pin 7 GND
Pin 7 GND
Pin 33 LI
Pin 5 DO
Pin 13 LO
600
Ω
600
Ω
Audio generator
AC millivoltmeter
Audio generator
AC millivoltmeter
RX
ANT
TX
ANT
IC-UR8050
(TOP view)
VOL SQL
MIC
TX UNIT
RX
UNIT
FRONT UNIT
PA UNIT
LOGIC UNIT
DC power supply
9 – 16 V/20 A
RF power meter
100 W/50
Ω
Attenuator
50 dB or 60 dB
FM deviation
meter
Frequency counter
Standard signal
generator
Oscilloscope
DC POWER
SOCKET
REG
BOARD
J5
1
2
3
GND
MOD
Audio generator
P1
■
CONNECTION
3-1 PREPARATION
■
REQUIRED TEST EQUIPMENT
EQUIPMENT
DC power supply
RF power meter
(terminated type)
Frequency counter
FM deviation meter
Audio generator (AG)
GRADE AND RANGE
Output voltage
: 9–16 V DC
Current capacity
: 20 A or more
Measuring range
: 1–100 W
Frequency range
: 300–600 MHz
Impedance
: 50
Ω
SWR
: Less than 1.2 : 1
Frequency range
: 0.1–600 MHz
Frequency accuracy : ±1 ppm or better
Sensitivity
: 100 mV or better
Frequency range
: 30–600 MHz
Measuring range
: 0 to 10 kHz
Frequency range
: 300–3000 Hz
Measuring range
: 1–500 mV
EQUIPMENT
Standard signal
generator (SSG)
Oscilloscope
DC voltmeter
AC millivoltmeter
Digital multimeter
Attenuator
Terminator
GRADE AND RANGE
Frequency range
: 300–600 MHz
Output level
: 0.1 µV–32 mV
(–127 to –17 dBm)
Frequency range
: DC–20 MHz
Measuring range
: 0.01–20 V
Input impedance
: 50 k
Ω
/V DC or better
Measuring range
: 10 mV–10 V
Input impedance
: 10 M
Ω
/V DC or better
Power attenuation
: 50 or 60 dB
Capacity
: 100 W or more
Impedance
: 50
Ω
Capacity
: 100 W or more
Impedance
: 600
Ω
dummy
CW: Clockwise CCW: Counterclockwise
SECTION 3
ADJUSTMENT PROCEDURES
