Kenwood TK-7102 User Manual download pdf (Page 28)

TK-7102

TK-260 :K, K2

Test frequency(MHz)

Channel TX RX

1: Center 160.100 160.050

2: Low 146.100 146.050

3: High 173.900 173.950

4 160.000 160.000

5 160.200 160.200

6 160.400 160.400

Use KPG-70D programming software for adjustment of the next items.

ADJUSTMENT

Parts

TC2

TC1

L22

TC3

TC5

Method

5.5V

Check

3.2~3.3V(DC)

Adjust the BPF waveform to Fig.1

Specifications/

Remarks

±0.1V

0.8V or more

Terminal

AFV

ANT

BPF

Test equipment

Digital voltmeter

SSG

Digital voltmeter

Tra generator

Spectrum analyzer

Condition

1)Power supply voltage

DC Power supply teriminal:13.6V

1)CH: TX high

2)CH: RX high

3)CH: TX low

4)CH: RX low

1)CH: RX center wide

2)SSG output: -53dBm(501uV)

Mod: 1kHz, Dev: 3kHz

1)CH: RX center wide

CH: RX low wide

CH: RX high wide

2)Tra generator output: -30dBm

Connect the spectrum analyzer

to BPF terminal

PCB Section

Item

1. Setting

2. VCO lock

voltage

3. IF Coil

4. RF Band-

pass filter

Measurement Adjustment

Parts

PC key

Method

Check

Adjust to open the squelch.

Specifications/

Remarks

SINAD:

12dB or higher

Terminal

ANT

Ext. SP

Test equipment

SSG

Oscilloscope

AF. V. M

Distortion meter

Condition

1)CH: RX low: Wide/Narrow

CH: RX center: Wide/Narrow

CH: RX high: Wide/Narrow

2)SSG output:

-118dBm(0.28µV): Wide

-116dBm(0.35µV): Narrow

Mod: 1kHz

Dev: ±3.0kHz: Wide

Dev: ±1.5kHz: Narrow

1)CH: RX low: Wide

CH: RX center: Wide/Narrow

CH: RX high: Wide

2)SSG output:

9dB above to 12dB SINAD level:

Wide/Narrow

Mod: 1kHz

Dev: ±3.0kHz: Wide

Dev: ±1.5kHz: Narrow

1)CH: RX low: Wide

CH: RX center: Wide/Narrow

CH: RX high: Wide

2)SSG output:

2dB above to 12dB SINAD level:

Wide/Narrow

Mod: 1kHz

Dev: ±3.0kHz: Wide

Dev: ±1.5kHz: Narrow

Receiver Section

Item

1. Sensitivity

2. Squelch 9

3. Squelch 1

Measurement Adjustment

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 38 39

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Kenwood TK-7102 User Manual Page 28

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