Kenwood TK-2170 Service Manual Supplement page 21

TK-2170
Item Condition
16. BATT 1) Adj item : [BATT_]
detection Adjust : [✳✳✳]
writing PTT : ON
17. BATT [Panel test mode]
detection 1) CH-Sig : 1-1
check BATT terminal voltage : 7.5V
PTT : ON
2) BATT terminal voltage : 5.7V
PTT : ON
Receiver Section
Item Condition
1. Sensitivity 1) Adj item : [SENS_]
adjust Adjust : [✳✳✳]
2) Adj item : [S.ENS_] →
[S.E.NS_] → [S.E.N.S_] →
[S.E.N.S._] → [S.E.N.S._.]
Adjust : [✳✳✳]
SSG output : –103dBm (1.58µV)
(MOD : 1kHz/± 1.5kHz)
2. Sensitivity [Panel test mode]
check 1) CH-Sig : 1-1
SSG output
Wide 5k : –117dBm (0.32µV)
(MOD : 1kHz/± 3.0kHz)
Wide 4k : –117dBm (0.32µV)
(MOD : 1kHz/± 2.4kHz)
Narrow : –115dBm (0.4µV)
(MOD : 1kHz/± 1.5kHz)
3. Squelch 1) Adj item : [SQL_ _]
(Preset) Adjust : [✳✳✳.]
adjust SSG output : –117dBm (0.32µV)
• Narrow (MOD : 1kHz/± 1.5kHz)
• Wide 4k 2) Adj item : [SQL_ _]
Adjust : [✳✳.✳.]
SSG output : –118dBm (0.28µV)
(MOD : 1kHz/± 2.4kHz)
• Wide 5k 3) Adj item : [SQL_ _]
Adjust : [✳✳✳]
SSG output : –118dBm (0.28µV)
(MOD : 1kHz/± 3.0kHz)
20
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power meter Panel ANT Panel
DVM BATT
terminal
Measurement
Test-
Unit Terminal Unit
equipment
SSG Panel ANT Panel
AF VTVM SP/MIC
Oscilloscope
Panel
Adjustment
Parts Method
After pressing the BATT terminal voltage : 5.9V
PTT switch, confirm
that one predeter-
mined numeric in
the range 1 to 256
appears and then
press [B] key. That
numeric will be
stored in memory.
Check The transceiver can transmit
without causing the LED to
blink.
The transceiver should not
transmit and LED blinking.
Adjustment
Parts Method
Selector Adjust for Rotate the selector knob and
knob RSSI MAX increase the adjustment value
starting from "1" to obtain
RSSI MAX.
Check 13dB SINAD or more
Selector After input signal After adjusting SQL, check
knob from SSG, press [B] SQL open/close.
key. That numeric SSG –116dBm : Open
will be stored in SSG OFF : Close
memory.
Specifications/Remarks
Specifications/Remarks