Kenwood NXR-700H Service Manual page 124

NXR-700H
Item Condition
29. TD 1) Channel: 3 (Center)
Deviation Wide/Narrow: Analog Wide
Connect the deviation meter
to the TX ANT end via the ATT.
Deviation meter setting
HPF: OFF, LPF: 3kHz
De-emp: OFF
Detector: +peak, –peak
AG setting
: 0.1kHz/0.5Vp-p (177mVrms)
2) Channel: 3 (Center)
Wide/Narrow: Analog Narrow
30. Transmit 1) Channel: 3 (Center)
Audio Input Wide/Narrow: Analog Wide
(TA) Connect the deviation meter
to the TX ANT end via the ATT.
Deviation meter setting
HPF: OFF, LPF: 15kHz
De-emp: OFF
Detector: +peak, –peak
AG setting
: 1kHz/280mVrms
2) 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/4Ω
34. RD Level 1) Wide/Narrow: Analog Wide
Connect the SSG to the RX
ANT.
SSG setting
Frequency: Desired frequency
Output: –53dBm (501µV)
MOD: 1kHz
DEV: ±3.0kHz
2) Wide/Narrow: Analog Narrow
SSG setting
DEV: ±1.5kHz
124
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Deviation Rear TX ANT
meter CONTROL
AG I/O jack
DVM TD (pin 8)
Deviation Rear TX ANT
meter CONTROL
AG I/O jack TA
DVM (pin 9)
Tracking Rear RX ANT RX
generator
Spectrum RX CN41
analyzer
Tracking Rear CN46 RX
generator
Spectrum RX CN47
analyzer
SSG Rear RX ANT RX
AF VTVM TEST/
SPKR
jack SPO
(pin 12)
4Ω load
SSG Rear RX ANT
AF VTVM CONTROL
I/O jack
RD (pin 10)
Adjustment
Parts Method
PC ±0.75kHz ±0.02kHz
ADJ
Connect the deviation meter
to the TX ANT end via the
ATT.
±0.75kHz ±0.02kHz
PC ±3.00kHz ±0.03kHz
ADJ
Connect the deviation meter
to the TX ANT end via the
ATT.
±1.50kHz ±0.02kHz
TC1~ Adjust it by the pro- Refer to Fig. 1. (Page 128)
TC8 grammed frequency
to look like the wave
in fi gure 1.
L46 Adjust it to look like Refer to Fig. 2. (Page 128)
L52 the wave in fi gure 2.
L74
L90
L47 Adjust it to look like Refer to Fig. 3. (Page 128)
L53 the wave in fi gure 3.
L75
L91
L128 Adjust AF output
max.
PC 80mV ±5mV
ADJ
Specifi cations / Remarks