Kenwood TK-8160 Service Manual page 30

TK-8160
Test Frequency
Channel
RX (MHz)
1 470.05
2 450.05
3 489.95
4 470.00
5 470.20
6 470.40
Test Signaling
RX
1 None
2 None
3 QT : 67.0Hz
4 QT : 151.4Hz
5 QT : 210.7Hz
6 QT : 254.1Hz
7 DQT : 023N
8 DQT : 754I
9 DTMF : 159D
10 None
11 FleetSync 1200 bps
: 100~1000
12 FleetSync 2400 bps
: 100~1000
13 None
14 2-Tone
A : 304.7Hz, B : 3106.0Hz
15 Signle Tone : 979.9Hz
PCB Section
Item
1. Setting 1) Power supply voltage
DC Power supply terminal : 13.6V
2. VCO lock 1) CH : TX high
voltage*
2) CH : RX high
3) CH : TX low
4) CH : RX low
3. IF coil 1) CH : RX center (Wide)
2) SSG output : –53dBm (501µV)
Mod : 1kHz, Dev : 3kHz
30
ADJUSTMENT
K M
TX (MHz) RX (MHz) TX (MHz)
470.10 460.05 460.10
450.10 440.05 440.10
489.90 479.95 479.90
470.00 460.00 460.10
470.20 460.20 460.20
470.40 460.40 460.40
TX
None
100Hz Square
QT : 67.0Hz
QT : 151.4Hz
QT : 210.7Hz
QT : 254.1Hz
DQT : 023N
DQT : 754I
DTMF : 159D
DTMF Code 9
FleetSync 1200 bps
: 100~1000
FleetSync 2400 bps
: 100~1000
Single Tone : 1000Hz
2-Tone
A : 304.7Hz, B : 3106.0Hz
Signle Tone : 979.9Hz
Condition
Test equipment
Digital voltmeter
SSG
Digital voltmeter
3 or 5 Reference Level Adjustment Frequency
Tuning
point RX (MHz)
Low
Low'
Center
High'
High
Ref –20 dBm
Peak
Log
10
dB/
W1 S2
S3 FC
AA
Center 470.1 MHz
#Res BW 30 kHz
Measurement
Terminal Parts
CV TC442
TC441
AFV L321
K
TX (MHz) RX (MHz)
450.05 450.10 440.05
460.05 460.10 450.05
470.05 470.10 460.05
480.05 480.10 470.05
489.95 498.90 479.95
Atten 0 dB
M : 460.1MHz
M : 480.0MHz
K : 470.1MHz
K : 490.0MHz
M : 440.1MHz
–55.74dBm
–56.13dBm
K : 450.1MHz
–61.23dBm
Sweep 388.9 ms (401 pts)
VBW 30 kHz
Fig. 1
Adjustment
Method
± 0.1V
5.5V
± 0.1V
5.5V
Check 0.7V or more
3.25~3.35V (DC)
M
TX (MHz)
440.10
450.10
460.10
470.10
479.90
Span 140 MHz
Specifications/
Remarks