Kenwood TK-3107G Service Manual page 30

TK-3107G
Use the KPG-55D programming software for adjustment of the next item in PC Mode (see page 5).
Squelch Level, Transmit frequency, DQT Balance, RF Power, QT Deviation, DQT Deviation, Battery Level
Section Common to the Transmitter and Receiver (VCO)
Item Condition
1. Setting 1) Power supply voltage
Battery teriminal: 7.5V
2) SSG standard modulation
[Wide]
MOD: 1kHz, DEV: 3kHz
[Narrow]
MOD: 1kHz, DEV: 1.5kHz
2. VCO lock 1) CH: TX high
voltage
2) CH: RX high
3) CH: TX low
4) CH: RX low
Receiver Section
Item Condition
1. Band-pass 1) CH: RX center
fi lter 2) Tracking generator output
: –40dBm
Connect the spectrum ana-
lyzer to TP2 terminal.
2. AF level 1) CH: RX center
SSG output: –53dBm (501µV)
MOD: 1kHz
DEV: ±3.0kHz (Wide)
: ±1.5kHz (Narrow)
3. Sensitivity 1) CH: RX center
(Wide) CH: RX Lo
CH: RX Hi
SSG ouput: –116dBm (0.35µV)
MOD: 1kHz
DEV: ±3.0kHz
(Narrow) 2) CH: RX center
SSG output: –114dBm (0.45µV)
DEV: ±1.5kHz
4. Squelch 1) CH: RX center
level MONI: ON
(PC mode)
2) Level 9
SSG output: –117dBm (0.36µV)
3) Level 3
SSG output: –125dBm(0.126µV)
30
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Digital TX-RX CV TX-RX
voltmeter
Measurement
Test-
Unit Terminal Unit
equipment
Tracking TX-RX ANT TX-RX
generator
Spectrum TP2
analyzer
SSG ANT
Oscilloscope SP
AF V.M
Distortion
meter
Adjustment
Parts Method
TC1 3.7V ±0.1V
TC2 3.7V ±0.1V
Check More than 1.0V
Adjustment
Parts Method
TC201 Adjust the frequency
TC202 so that it becomes
TC203 the spectrum wave-
form shown in Fig. 1.
L212 Adjust to the MAX
AF level
Check SINAD: 12dB or higher
PC Level 9 The squelch must be closed.
key Adjust to close the
squelch.
Level 3 The squelch must be closed.
Adjust to close the
squelch.
Specifi cations / Remarks
Specifi cations / Remarks