Adjustment - Kenwood NX-740H(V) Service Manual

4.1 Test Equipment Required for Alignment
Test Equipment
1. Standard Signal Generator
(SSG)
2. Power Meter
3. Deviation Meter
4. Digital Volt Meter (DVM)
5. Oscilloscope
6. High Sensitivity Frequency
Counter
7. Ammeter
8. AF Volt Meter (AF VM)
9. Audio Generator (AG)
10. Distortion Meter
11. 4Ω Dummy Load
12. Regulated Power Supply
*The test equipment which is not used for adjustment is contained in this table.
Test cable for microphone input (E30-3360-28)
GREEN
1
RED
2
BLACK
3
BLUE
4
SHIELD
5
WHITE
6
GRAY
7
YELLOW
8
MIC connector (Front panel view)
SECTION 4

ADJUSTMENT

Frequency Range
Modulation
Output
Input Impedance
Operation Frequency
Measuring Range
Frequency Range
Measuring Range
Input Impedance
Frequency Range
Frequency Stability
Frequency Range
Voltage Range
Frequency Range
Output
Capability
Input Level
1
2
E
3
PTT
4
MIC-E
5
MIC
6
HK
7
8
1 : MBL
2 : SB
8
3 : GND
4 : PTT
5 : ME
6 : MIC
1
7 : HOOK
8 : DM
Major Specifications
100 to 520MHz
Frequency modulation and external modulation
-127dBm/0.1μV to greater than -7dBm/100mV
50Ω
100 to 520MHz
Vicinity of 100W
100 to 520MHz
1V to 20V DC
High input impedance for minimum circuit loading
DC through 30MHz
10Hz to 1000MHz
0.2ppm or less
20A
50Hz to 10kHz
1mV to 3V
20Hz to 20kHz or more
0 to 1V
3% or less at 1kHz
50mV to 10Vrms
Approx. 4Ω, 10W or more
13.6V, approx. 20A (adjusted from 9 to 17V)
Useful if ammeter equipped
Tuning cable (E30-3383-05 or E30-7754-05)
Adapter cable (E30-3383-05) is required for injecting an audio
if PC tuning is used.
See "PC Mode" section for the connection.
Illust is E30-3383-05.
Lead wire +
Shield wire –
MIC
(No.RA028<Rev.001>)1-23