TK-2302/2302
(
V
)
/2306
29
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
2. Sensitivity
[Wide]
1) TEST CH: Low, Center, High
(3 points)
SSG
otuput
: –117dBm (0.3µV)
SSG MOD: 3.0kHz
SSG
DVM
Oscilloscope
AF VTVM
ANT
SP/MIC
connector
Check
12dB SINAD or more
[Narrow]
2) TEST CH: Center
SSG
otuput
: –115dBm (0.4µV)
SSG MOD: 1.5kHz
3. Squelch
Open
[Wide]
1) TEST CH: Center, Low, High
(3 points)
SSG
otuput
: –123dBm (0.16µV)
SSG MOD: 3.0kHz
FPU
Write
[Narrow]
2) TEST CH: Center
SSG
otuput
: –122dBm (0.18µV)
SSG MOD: 1.5kHz
4. Squelch
Tight
[Wide]
1) TEST CH: Center, Low, High
(3 points)
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
Warning
Level
1) BATT terminal voltage: 5.9V
SSG
DVM
TX-RX
ANT
BATT
terminal
Write
BATT terminal voltage: 5.9V
Adjustment Points
■
Component side view
BATT+
LV
ANT
BPF
BPF: BPF Wave Adjust
LV (CV): VCO lock voltage
BATT+: Battery Warning Level
■
Foil side view
TC2
TC1
S1
PTT
S2
SIDE1
S3
SIDE2
J301
EXT. SP/EXT. MIC
VR1
TC1 : VCO lock voltage (RX)
TC2 : VCO lock voltage (TX)
VR1 : Frequency adjustment