Kenwood TK-2302 Service Manual page 29

Item Condition
2. Sensitivity 1) TEST CH: Low, Center, High
[Wide] (3 points)
SSG otuput
: –117dBm (0.3µV)
SSG MOD: 3.0kHz
[Narrow] 2) TEST CH: Center
SSG otuput
: –115dBm (0.4µV)
SSG MOD: 1.5kHz
3. Squelch 1) TEST CH: Center, Low, High
Open (3 points)
[Wide] SSG otuput
: –123dBm (0.16µV)
SSG MOD: 3.0kHz
[Narrow] 2) TEST CH: Center
SSG otuput
: –122dBm (0.18µV)
SSG MOD: 1.5kHz
4. Squelch 1) TEST CH: Center, Low, High
Tight (3 points)
[Wide] SSG otuput
: –117dBm (0.3µV)
SSG MOD: 3.0kHz
[Narrow] 2) TEST CH:Center
SSG otuput
: –116dBm (0.35µV)
SSG MOD: 1.5kHz
5. Battery 1) BATT terminal voltage: 5.9V
Warning
Level
Adjustment Points
■ Component side view
BPF
BATT+
LV
BPF: BPF Wave Adjust
LV (CV): VCO lock voltage
BATT+: Battery Warning Level
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
SSG ANT
DVM SP/MIC
Oscilloscope connector
AF VTVM
SSG ANT
DVM TX-RX BATT
terminal
ANT
TK-2302/2302
Adjustment
Parts Method
Check
FPU Write
Write
■ Foil side view
S1 S2
PTT SIDE1
J301
EXT. SP/EXT. MIC
TC1 : VCO lock voltage (RX)
TC2 : VCO lock voltage (TX)
VR1 : Frequency adjustment
V /2306
( )
Specifi cations / Remarks
12dB SINAD or more
BATT terminal voltage: 5.9V
S3
SIDE2
TC2
TC1
VR1
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