Receiver Section - Kenwood NX-5400 Service Manual

4.10 Receiver Section

Item Condition
Panel tuning mode
1. [Panel test mode]
AF level 1) CH-Sig: 1-1
setting SSG output:
-47dBm (1mV)
(MOD: 1kHz/
±1.5kHz)
2. RSSI 1) Adj item:
refer- [An RRSSI]
ence Adjust:[***]
2) Adj item:
[Frequency:
700MHz Band]
[RX/TA Low]→
[RX/TA Center]→
[RX/TA High]
[Frequency:
800MHz Band]
[RX/TA Low]→
[RX/TA Center]→
[RX/TA High]
SSG output:12dB
SINAD level -3dB
(MOD:1kHz/
±1.5kHz)
3. Open 1) Adj item:
Squelch [Aw SQL]
Adjust:[***]
[Analog 2) Adj item:
Wide [Frequency:
5k] 700MHz Band]
[RX/TA Low]→
[RX/TA Center]→
[RX/TA High]
[Frequency:
800MHz Band]
[RX/TA Low]→
[RX/TA Center]→
[RX/TA High]
SSG output:12dB
SINAD level at
Analog Narrow
-3dB (MOD:1kHz/
±3kHz)
Measurement
PC test mode Test-
equip-
ment
1) Test Channel SSG
Channel: 1 DVM
Test Signaling AF
Mode: Analog VTVM
Signaling: 1 Dummy
SSG output: load
-47dBm (1mV)
(MOD:1kHz/
±1.5kHz)
1) Adj item: SSG
[RSSI Reference Distor-
(Analog Narrow)] tion
2) Adj item: meter
[Frequency: Oscillo-
700MHz Band] scope
[RX/TA Low]→
[RX/TA Center]→
[RX/TA High]
[Frequency:
800MHz Band]
[RX/TA Low]→
[RX/TA Center]→
[RX/TA High]
SSG output:12dB
SINAD level -3dB
(MOD:1kHz/
±1.5kHz)
1) Adj item: SSG
[Open Squelch (An- Distor-
alog Wide 5k)] tion
2) Adj item: meter
[Frequency: Oscillo-
700MHz Band] scope
[RX/TA Low]→
[RX/TA Center]→
[RX/TA High]
[Frequency:
800MHz Band]
[RX/TA Low]→
[RX/TA Center]→
[RX/TA High]
SSG output:12dB
SINAD level at
Analog Narrow
-3dB (MOD:1kHz/
±3kHz)
Unit Ter- Unit Parts
minal
Panel ANT Panel Vol-
Uni- ume
versal knob
con-
nector
Panel ANT Panel
Uni-
versal
con-
nector
Panel ANT Panel
Uni-
versal
con-
nector
Adjustment
Method
Turn the Volume knob to
obtain 0.90V AF output.
[Panel tuning mode]
After input signal from
SSG, press [ ] key to
store the adjustment val-
ue.
[PC test mode]
After input signal from
SSG, press [Apply] button
to store the adjustment
value.
[Panel tuning mode]
After input signal from
SSG, press [ ] key to
store the adjustment val-
ue.
[PC test mode]
After input signal from
SSG, press [Apply] button
to store the adjustment
value.
(No.RA016<Rev.001>)1-59
Specifi-
cations
/Remarks
0.90V
±0.1V