Receiver Section - Kenwood NXR-1800 Service Manual

4.7

Receiver Section

Item PC tuning mode
1. AF level Test Channel
setting Channel: 1
Test Signaling
Mode: Analog Narrow
Signaling: 1
SSG output: -53dBm (501uV)
MOD: 1kHz/±1.5kHz
2. Open 1) Adj item: [Open Squelch
Squelch (Analog Narrow)]
adjust
[Analog 2) Adj item:
Narrow] [L1],[L5],[C3],[H2],[H6]
SSG output:
12dBSINAD level -3dB
(MOD: 1kHz/±1.5kHz)
3. Open 1) Adj item: [Open Squelch
Squelch (Analog Wide 5k)]
adjust
[Analog 2) Adj item:
Wide 5k] [L1],[L5],[C3],[H2],[H6]
SSG output:
12dBSINAD level -3dB
(MOD: 1kHz/±3kHz)
4.Open
1) Adj item: [Open Squelch
Squelch (Analog Wide 4k)]
adjust
[Analog 2) Adj item:
Wide 4k] [L1],[L5],[C3],[H2],[H6]
(E2 type
only) SSG output:
12dBSINAD level -3dB
(MOD: 1kHz/±2.4kHz)
5. Open 1) Adj item: [Open Squelch
Squelch (DMR)]
adjust
[DMR] 2) Adj item:
[L1],[L5],[C3],[H2],[H6]
SSG output: 12dB SINAD level
at Analog Narrow -4dB
(MOD: 400Hz/±1.1kHz)
6. Open 1) Adj item: [Open Squelch
Squelch (NXDN Narrow)]
adjust
[NXDN 2) Adj item:
Narrow] [L1],[L5],[C3],[H2],[H6]
SSG output: 12dB SINAD level
at Analog Narrow -1dB
(MOD: 400Hz/±2.5kHz)
Measurement
Test-
Unit Terminal Unit Parts
equipment
SSG RX ANT
Audio
Analyzer
Oscilloscope RA (D-
SUB25
Pin No.11)
SSG RX ANT
Audio
Analyzer
Oscilloscope RA (D-
SUB25
Pin No.11)
SSG RX ANT
Audio
Analyzer
Oscilloscope RA (D-
SUB25
Pin No.11)
SSG RX ANT
Audio
Analyzer
Oscilloscope RA (D-
SUB25
Pin No.11)
SSG RX ANT
Audio
Analyzer
Oscilloscope RA (D-
SUB25
Pin No.11)
SSG RX ANT
Audio
Analyzer
Oscilloscope RA (D-
SUB25
Pin No.11)
Adjustment
Method
-- Follow RA output level
adjustment at "8. RA
Level (Analog Narrow)"
in 4.5 Common
Section.
PC After input signal from
ADJ SSG, press [Apply]
button to store the
adjustment value.
PC After input signal from
ADJ SSG, press [Apply]
button to store the
adjustment value.
PC After input signal from
ADJ SSG, press [Apply]
button to store the
adjustment value.
PC After input signal from
ADJ SSG, press [Apply]
button to store the
adjustment value.
PC After input signal from
ADJ SSG, press [Apply]
button to store the
adjustment value.
(No.RA094<Rev.002>)1-73
Specifications
/Remarks
Follow RA
output level
adjusted at "8.
RA Level
(Analog
Narrow)" in 4.5
Common
Section.