Kenwood TK-7102H Manual Do Utilizador
TK-7102H
31
ADJUSTMENT
PCB Section
1. Setting
1) Power supply voltage
DC Power supply terminal : 13.6V
2. VCO lock
1) CH : TX high
Digital voltmeter
CV
TC402
5.5V
±0.1V
voltage*
2) CH : RX high
TC401
5.5V
±0.1V
3) CH : TX low
Check
0.7V or more
4) CH : RX low
3. IF coil
1) CH : RX center (Wide)
SSG
AFV
L301
3.25~3.35V (DC)
2) SSG output : –53dBm (501
µV)
Digital voltmeter
Mod : 1kHz
Dev : 3kHz
Dev : 3kHz
4. RF
1) CH : RX center (Wide)
Tra generator
ANT
TC351
Adjust the BPF waveform
bandpass
CH : RX low (Wide)
Spectrum analyzer
BPF
TC352
to Fig. 1
filter
CH : RX high (Wide)
2) Tra generator output : –30dBm
Connect the spectrum analyzer
to BPF terminal
to BPF terminal
* Adjustment of TX VCO lock voltage
1. Remove R516, F501, R518 and R524 (all on component side).
2. Remove PCB from chassis.
3. Transmit and check voltage at [CV] point.
Warning : Do not transmit if step “1.” is not complete.
4. Adjust of voltage can be done by tuning TC402.
2. Remove PCB from chassis.
3. Transmit and check voltage at [CV] point.
Warning : Do not transmit if step “1.” is not complete.
4. Adjust of voltage can be done by tuning TC402.
Item
Condition
Test equipment
Terminal
Parts
Method
Specifications/
Remarks
Measurement
Adjustment
Fig. 1
Test Frequency (MHz)
Channel
K,M
K2,M2
TX
RX
TX
RX
1 : Center
160.100
160.050
149.100
149.050
2 : Low
146.100
146.050
136.100
136.050
3 : High
173.900
173.950
161.900
161.950
4
160.000
160.000
149.000
149.000
5
160.200
160.200
149.200
149.200
6
160.400
160.400
149.400
149.400
K2,M2
K,M