Kenwood KCH-16 Service Manual page 45

Item Condition
4. RSSI 1) Adj item: [W HRSI]
(–70dBm) Adjust: [ *** ]
adjust 2) Adj item: [WL HRSI]→
• Wide [WC HRSI]→[WH HRSI]
Adjust: [ *** ]
SSG output: –70dBm (70.8µV)
(MOD: 1kHz/±3kHz)
• Narrow 3) Adj item: [N HRSI]
Adjust: [ *** ]
4) Adj item: [NL HRSI]→
[NC HRSI]→[NH HRSI]
Adjust: [ *** ]
SSG output: –70dBm (70.8µV)
(MOD: 1kHz/±1.5kHz)
• P25 5) Adj item: [A HRSI]
Adjust: [ *** ]
6) Adj item: [AL HRSI]→
[AC HRSI]→[AH HRSI]
Adjust: [ *** ]
SSG output: –70dBm (70.8µV)
5. AF level [Panel test mode]
setting 1) CH-Sig: 1-1
SSG output: –47dBm (1mV)
(MOD: 1kHz/±3kHz)
6. Sensitivity 1) CH-Sig: 1-1
Check SSG output: –117dBm (0.32µV)
• Wide (MOD: 1kHz/±3kHz)
2) CH-Sig: 2-1
3) CH-Sig: 3-1
• Narrow 4) CH-Sig: 1-1
SSG output: –117dBm (0.32µV)
(MOD: 1kHz/±1.5kHz)
5) CH-Sig: 2-1
6) CH-Sig: 3-1
7. Squelch 1) Adj item: [W SQOW]
(Threshold) Adjust: [ *** ]
adjust 2) Adj item: [WL SQOW]→
• Wide [WC SQOW]→[WH SQOW]
Adjust: [ *** ]
SSG output
: 12dB SINAD level –3dB
(MOD: 1kHz/±3kHz)
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
SSG Rear ANT Front
AF VTVM panel EXT.SP panel
Oscillo-
scope
SSG Rear ANT Front
DVM panel EXT.SP panel
AF VTVM
4Ω dummy
load
SSG
AF VTVM
Oscillo-
scope
SSG Rear ANT Front
AF VTVM panel EXT.SP panel
Oscillo-
scope
KCH-16
Adjustment
Parts Method
[Orange] After input signal
from SSG, press
[Orange] key.
That numeric will be
stored in memory.
Volume Turn the Volume 2.0V±0.1V
Knob Knob to obtain 2.0V
AF output.
Check 12dB SINAD or more
[Orange] After input signal After adjusting SQL, check
from SSG, press SQL open/close.
[Orange] key. [Panel test mode]
That numeric will be 1) CH-Sig: 1-1
stored in memory.
2) CH-Sig: 2-1
3) CH-Sig: 3-1
Specifi cations / Remarks
SSG 12dB SINAD or less
: Open
SSG –130dBm (0.07µV)
: Close
SSG 12dB SINAD or less
: Open
SSG –130dBm (0.07µV)
: Close
SSG 12dB SINAD or less
: Open
SSG –130dBm (0.07µV)
: Close
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