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KCH-16
37
ADJUSTMENT
Caution
Since the RX AF output is a BTL output, there is a DC
Component. Isolate this with a capacitor or transformer as
shown in the fi gure.
Cable for BPF or MCF adjustment
• E30-3418-05 (for BPF ADJ)
• W05-1000-00 (for MCF ADJ)
1
12
11
10
9
8
7
6
5
4
3
2
4 : MIC (WHT)
3 : MICG (Shield)
to AG
AF VTVM
to KRK-11
programming
connector
Cut
E30-3313-08
KRK-11 (Interface box)
programming connector
(Front view)
1 : SB
2 : NC
3 : ME
4 : MIC
5 : E
6 : TRD
Test cable for microphone input
Test cable for speaker output
7 : KVL
8 : NC
9 : NC
10 : NC
11 : NC
12 : NC
Test Equipment Required for Alignment
Test Equipment
Major Specifi cations
1.
Standard Signal Generator (SSG)
Frequency Range
136 to 174MHz (TK-5710/5710H), 400 to 520MHz (TK-5810/5810H)
Modulation
Frequency modulation and external modulation
Output
–127dBm/0.1µV to greater than –47dBm/1mV
2. Power
Meter
Input Impedance
50
Ω
Operation Frequency
136 to 174MHz or more (TK-5710/5710H)
400 to 520MHz or more (TK-5810/5810H)
Measurement Range
Vicinity of 200W
3.
Deviation Meter
Frequency Range
136 to 174MHz (TK-5710/5710H), 400 to 520MHz (TK-5810/5810H)
4.
Digital Volt Meter (DVM)
Measuring Range
1 to 20V DC
Input Impedance
High input impedance for minimum circuit loading
5.
Oscilloscope
DC through 30MHz
6. High
Sensitivity
Frequency
Counter
Frequency Range
10Hz to 1000MHz
Frequency Stability
0.2ppm or less
7. Ammeter
30A
8.
AF Volt Meter (AF VTVM)
Frequency Range
50Hz to 10kHz
Voltage Range
3mV to 3V
9.
Audio Generator (AG)
Frequency Range
50Hz to 5kHz or more
Output
0 to 1V
10. Distortion Meter
Capability
3% or less at 1kHz
Input Level
50mV to 10Vrms
11. Spectrum Analyzer
Measuring Range
DC to 1GHz or more
12. Tracking Generator
Center frequency
50kHz to 600MHz
Output Voltage
100mV or more
13. 4
Ω
Dummy Load
Approx. 4
Ω
, 30W
14. Regulated Power Supply
13.6V, approx. 30A (adjusted from 9 to 20V)
Useful if ammeter equipped
4
1
3
5
Crimp terminal
(E23-0613-05)
to
AF VTVM
Distortion
meters
to KRK-11
accessory
connector
220μ
SP
SP
220μ/16V
SP OUT
SP OUT
4
Ω/
5W
+
+