Kenwood TK-5710 Service Manual page 68

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TK-5710 B
Item
6. Sensitivity 1) CH-Sig:1-1
Check SSG output:-117dBm(0.32µV) AF VTVM
•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]t
•Wide [WC SQOW]t[WH SQOW]
Adjust:[***]
SSG output:12dB SINAD level -3dB
(MOD:1kHz/±3kHz)
•Narrow 3) Adj item:[N SQON]
Adjust:[***]
SSG output:12dB SINAD level -3dB
(MOD:1kHz/±1.5kHz)
68
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/5710H B
ADJUSTMENT
Measurement
Condition Test-
equipment
SSG
Oscilloscope
Unit Terminal Unit
Rear ANT
panel EXT.SP
Front [PF5]
panel
Adjustment
Specifications/Remarks
Parts Method
Check 12dB SINAD or more
After input After adjusting SQL,
signal from SSG, check SQL open/close.
press [PF5] key. [Panel test mode]
That numeric 1) CH-Sig:1-1
will be stored SSG 12dB SINAD or
in memory.
SSG -130dBm(0.07µV):Close
2) CH-Sig:2-1
SSG 12dB SINAD or
SSG -130dBm(0.07µV):Close
3) CH-Sig:3-1
SSG 12dB SINAD or
SSG -130dBm(0.07µV):Close
After adjusting SQL,
check SQL open/Close.
[Panel test mode]
1) CH-Sig:1-1
SSG 12dB SINAD or
SSG -130dBm(0.07µV):Close
2) CH-Sig:2-1
SSG 12dB SINAD or
SSG -130dBm(0.07µV):Close
3) CH-Sig:2-1
SSG 12dB SINAD or
SSG -130dBm(0.07µV):Close
less:Open
less:Open
less:Open
less:Open
less:Open
less:Open