Kenwood NXR-700 Service Manual page 90

NXR-700
Item Condition
30. Transmit 2) Channel: 3 (Center)
Audio Input Wide/Narrow: Analog Wide 4k
(TA)
3) Channel: 3 (Center)
Wide/Narrow: Analog Narrow
31. BPF 1) Tracking generator
Output: –20dBm
Spectrum analyzer
Frequency: Desired frequency
Span: 50MHz
32. MCF 1) Wide
Tracking generator
Output: –20dBm
Spectrum analyzer
Frequency: 49.95MHz
Span: 100kHz
2) Narrow
Spectrum analyzer
Span: 50kHz
33. Discriminator 1) Narrow
Frequency: Desired frequency
SSG output: –53dBm (501µV)
SSG MOD: 1kHz
SSG DEV: 1.5kHz
AF output: 2V/4
34. RD Level 1) Wide/Narrow: Analog Wide 5k
Connect the SSG to the RX
ANT.
SSG setting
Frequency: Desired frequency
Output: –53dBm (501µV)
MOD: 1kHz
DEV: ±3.0kHz
2) Wide/Narrow: Analog Wide 4k
SSG setting
DEV: ±2.4kHz
3) Wide/Narrow: Analog Narrow
SSG setting
DEV: ±1.5kHz
35. RA Level 1) Wide/Narrow: Analog Wide 5k
Connect the SSG to the RX
ANT.
SSG setting
Frequency: Desired frequency
Output: –53dBm (501µV)
MOD: 1kHz
DEV: ±3.0kHz
90
ADJUSTMENT
Measurement
Test-
Unit Terminal
equipment
Deviation Rear TX ANT
meter CONTROL
AG I/O jack TA
DVM (pin 9)
Tracking Rear RX ANT
generator
Spectrum RX CN41
analyzer
Tracking Rear CN46
generator
Spectrum RX CN47
analyzer
SSG Rear RX ANT
AF V.M TEST/
SPKR jack
SPO (pin
12) 4 load
SSG Rear RX ANT
AF V.M CONTROL
I/O jack RD
(pin 10)
SSG Rear RX ANT
AF V.M CONTROL
I/O jack RA
(pin 11)
Adjustment
Unit Parts Method
PC ±2.4kHz
ADJ
±1.50kHz
RX TC1~ Adjust it by the pro-
TC8 grammed frequency
to look like the wave
in fi gure 1.
RX L46 Adjust it to look like
L52 the wave in fi gure 2.
L74
L90
L47 Adjust it to look like
L53 the wave in fi gure 3.
L75
L91
RX L128 Adjust AF output
max.
PC 80mV
ADJ
PC 400mV
ADJ
Specifi cations / Remarks
±0.03kHz
±0.02kHz
Refer to Fig. 1. (Page 82)
Refer to Fig. 2. (Page 82)
Refer to Fig. 3. (Page 82)
±5mV
±20mV