Receiver Section - Kenwood NX-5800 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. Sen- 1) Adj item:
sitivity 2 [An SENS2]
Adjust:[***]
2) Adj item:
[Low1]→
[Low5]→
[Center3]→
[High2]→
[High6]
Adjust:[***]
Press [ ] key to
store the adjust-
ment value.
3. Sen- 1) Adj item:
sitivity 1 [An SENS1]
Adjust:[***]
2) Adj item:
[Low1]→
[Low5]→
[Center3]→
[High2]→
[High6]
SSG output:
-118.5dBm
(0.3µV)
(MOD: 1kHz/
±1.5kHz)
Adjust:[***]
Press [ ] key to
store the adjust-
ment value.
4. RSSI 1) Adj item:
refer- [An RRSSI]
ence Adjust:[***]
2) Adj item:
[Low1]→
[Low5]→
[Center3]→
[High2]→
[High6]
SSG output:
12dB SINAD level
-3dB
(MOD:
1kHz/±1.5kHz)
Measurement
PC test mode Test-
equip-
ment
1) Test Channel SSG
Channel: 1 DVM
Test Signaling AF VM
Mode: Analog Dummy
Signaling: 1 load
SSG output:
-47dBm (1mV)
(MOD:1kHz/
±1.5kHz)
1) Adj item:
[Sensitivity 2]
2) Adj item:
[Low1], [Low5],
[Center3], [High2],
[High6]
Press [Apply All]
button to store the
adjustment value.
1) Adj item: SSG
[Sensitivity 1] AF VM
2) Adj item: Dummy
[Low1], [Low5], load
[Center3], [High2],
[High6]
SSG output:
-118.5dBm (0.3µV)
(MOD: 1kHz/
±1.5kHz)
Press [Apply All]
button to store the
adjustment value.
1) Adj item: SSG
[RSSI Reference Distor-
(Analog Narrow)] tion
2) Adj item: meter
[Low1]→ Oscillo-
[Low5]→ scope
[Center3]→
[High2]→
[High6]
SSG output:
12dB SINAD level
-3dB
(MOD:
1kHz/±1.5kHz)
Unit Ter- Unit Parts
minal
Panel ANT Panel [Panel
Ext. tuning
SP mode]
con- [+], [-]
nector [PC
test
mode]
[←],
[→]
Panel ANT Panel [Panel
Ext. tuning
SP mode]
con- [ ],
nector [ ]
[PC
test
mode]
[←],
[→]
Panel ANT Panel [Panel
Ext. tuning
SP mode]
con- [ ],
nector [ ]
[PC
test
mode]
[←],
[→]
Panel ANT Panel
Ext.
SP
con-
nector
Adjustment
Method
Volume Up/Down knob to
obtain 1.41V AF output.
(0.5W @ 4Ω load)
Write the value as follow-
ings.
F,K
[Low1]: 67 (Fixed)
[Low5]: 80 (Fixed))
[Center3]: 92 (Fixed)
[High2]: 105 (Fixed)
[High6]: 117 (Fixed)
F2,K2
[Low1]: 61 (Fixed)
[Low5]: 72 (Fixed))
[Center3]: 83 (Fixed)
[High2]: 113 (Fixed)
[High6]: 132 (Fixed)
1) Write the value as fol-
lowings.
F,K
[Low1]: 87 (Fixed)
[Low5]: 105 (Fixed))
[Center3]: 125 (Fixed)
[High2]: 147 (Fixed)
[High6]: 170 (Fixed)
F2,K2
[Low1]: 63 (Fixed)
[Low5]: 86 (Fixed))
[Center3]: 110 (Fixed)
[High2]: 138 (Fixed)
[High6]: 168 (Fixed)
2) Increase the adjustment
value until the AF VM
shows 12dB SINAD.
3) 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.RA017<Rev.002>)1-61
Specifi-
cations
/Remarks
1.41V
±0.1V