Alinco DX-SR9 E, Service Manual

Page: 39 / 66

39
Adjustments
1) Required Test Equipment
The following items are required to adjust radio parameters
1.DC Regulated power supply
Supply voltage: 13.8V or more
Current: 30A or more
2.Digital multimeter
Voltage range: FS = Approx. 20V
Current: 10A or more
Input resistance: High impedance
3.Oscilloscope
Measurable frequency: Audio frequency
4.Audio dummy load
Impedance:
8
Ω
Dissipation: 3W or more
Jack: 3.5mm
Φ
5.SSG
Output frequency: 100MHz or more
Impedance: 50
Ω
, unbalanced
Modulation: FM/AM
6.Spectrum Analyzer
Measurable frequency: 100MHz or more
Impedance: 50
Ω
, unbalanced
7.Power meter
Measurable frequency: 1.6MHz to 30MHz
Impedance: 50
Ω
, unbalanced
Measuring range: 0.1W-150W
8.Audio volmeter
Measurable frequency: Up to 100kHz
Sensitivity: 1mV to 10V
9.Audio generator
Output frequency: 100Hz to 10kHz
Output impedance: 600
Ω
, unbalanced
10.Distortion meter/SINAD meter
Measurable
frequency: 1kHz
Input level: Up to 40dB
Distortion: 1%-100%
11.Frequency counter
Measurable frequency: 1.6MHz to 30MHz
Measurable stability: Approx. ±0.1ppm
12.Linear detector
Measurable frequency: 1.6MHz to 30MHz
Characteristics: Flat
CN: 60dB or more
13. DC Ammeter
Current: 30A or more
14. Personal Computer
PC requirements :
OS : Windows Vista, 7 or 8
CPU : Intel Core i5 2.4 GHz equivalent or faster
Memory : 2GByte or more
Display : 1024×768 pixel, color 32bit or better
Sound card : 48kHz 16bit sampling Stereo replay and
record
＊ Creative brand “Sound Blaster” serise tested and recommended.
＊
Mouse : Center wheel and high-speed scrolling required.
Note:
(1). SSG initial setting
Modulation Frequency:1kHz
Modulation Level:3.5kHz
(3). Reference sensitivity(FM): 12dB SINAD
(4). Specified audio output level: 2W at 8
Ω
(5). Standard audio output level: 50mW at 8
Ω
(6). Use an RF cable ( 5D2V:1M ) for test equipment.
(7). Attach a fuse to the RF test equipment.
(8). All SSG outputs are indicated by EMF
(9). Supply voltage for the transceiver:13.8VDC