Receiver Section - Kenwood TK-5210 Service Manual

TK-5210

Receiver Section

Item
1. AF level [Panel test mode]
Setting 1) CH-Sig:1-1
SSG output:-47dBm(1mV)
(MOD:1kHz/±3kHz)
2. Sensitivity 1) CH-Sig:1-1
Check SSG output:-118dBm(0.28µV) AF VTVM
•Wide (MOD:1kHz/±3kHz)
(Concentric SW:A) 2) CH-Sig:2-1
3) CH-Sig:3-1
•Narrow 4) CH-Sig:1-1
(Concentric SW:B) SSG output:-118dBm(0.28µV)
(MOD:1kHz/±1.5kHz)
5) CH-Sig:2-1
6) CH-Sig:3-1
3. RSSI [Panel tuning mode]
reference 1) Adj item:[RSSI(Ref)]
adjust Adjust:[***]
2) Adj item:[L RSSI(Ref)]t
[C RSSI(Ref)]t[H RSSI(Ref)]
Adjust:[***]
SSG output:12dB SINAD level -3dB
(MOD:1kHz/±3kHz)
4. Squelch 1) Adj item:[W Squelch(1)]
(Threshold) Adjust:[***]
adjust 2) Adj item:[WL Squelch(1)]t
•Wide [WC Squelch(1)]t[WH Squelch(1)]
(Concentric SW:A) Adjust:[***]
SSG output:12dB SINAD level -3dB
(MOD:1kHz/±3kHz)
•Narrow 3) Adj item:[N Squelch(1)]
(Concentric SW:B, C) Adjust:[***]
SSG output:12dB SINAD level -4dB
(MOD:1kHz/±1.5kHz)
52
ADJUSTMENT
Measurement
Condition Test-
equipment
SSG
DVM
AF VTVM
Dummy load
SSG
Oscilloscope
Unit Terminal Unit
Panel ANT Panel Volume
Universal Knob
connector
Panel
Adjustment
Specifications/Remarks
Parts Method
Turn the Volume 0.63V±0.1V
Knob to obtain
0.63V AF output.
Check 12dB SINAD or more
After input
signal from SSG,
press [B] key.
That numeric
will be stored
in memory.
After input After adjusting SQL,
signal from SSG, check SQL open/close.
press [B] key. [Panel test mode]
That numeric 1) CH-Sig:1-1
will be stored SSG 12dB SINAD level
in memory.
SSG -130dBm(0.07µV):Close
2) CH-Sig:2-1
SSG 12dB SINAD level
SSG -130dBm(0.07µV):Close
3) CH-Sig:3-1
SSG 12dB SINAD level
SSG -130dBm(0.07µV):Close
After adjusting SQL,
check SQL open/Close.
[Panel test mode]
1) CH-Sig:1-1
SSG 12dB SINAD level
SSG -130dBm(0.07µV):Close
2) CH-Sig:2-1
SSG 12dB SINAD level
SSG -130dBm(0.07µV):Close
3) CH-Sig:3-1
SSG 12dB SINAD level
SSG -130dBm(0.07µV):Close
-1.5dB:Open
-1.5dB:Open
-1.5dB:Open
-1.5dB:Open
-1.5dB:Open
-1.5dB:Open