INSTALLING OPTIONS

You will require a #1 Philips screwdriver to install the VGS-1. To install the YF-107 IF filter(s) and/ or SO-3 TCXO, you will also need a soldering iron (approx.

30 watts).

REMOVING THE TOP COVER

When installing the optional VGS-1, YF-107 IF filters or SO-3 TCXO, remove the top cover of the transceiver:

1Remove the 8 screws.

 

 

VGS-1 connector

 

VGS-1

 

EXT.SP DATA

REMOTE

MIC

 

 

 

 

PANEL

 

 

 

COM

P

 

 

ADDLE

KEY

 

5Replace the shield cover and tighten the 4 screws.

6Replace the top case (8 screws).

Note: After the installation, you can adjust the VGS-1 playback volume by selecting Menu Nos. 14 and 15.

YF-107C/ CN/ SN IF FILTERS AND SO-3 TCXO

EXT.SP

DATA

REMOTE

MIC

 

PANEL

 

 

 

 

COM

P

 

ADDLE

KEY

2Lift off the top cover.

VGS-1 VOICE GUIDE & STORAGE UNIT

SWITCH OFF THE POWER AND UNPLUG THE DC POWER CABLE BEFORE BEGINNING INSTALLATION.

1Remove the top case (8 screws) {above}.

2Loosen the 4 screws to remove the shield cover.

VGS-1 connector

EXT.SP

DATA

REMOTE

MIC

PANEL

COM

PADDLE

KEY

3There are 5 rubber cushions in the VGS-1 package. Use the 2 rubber cushions shown below and attach them to the VGS-1. The remaining cushions are not used.

4Plug the VGS-1 into the VGS-1 connector of the PC board, pressing down on the top of the VGS-1

until secure.

SWITCH OFF THE POWER AND UNPLUG THE DC POWER CABLE BEFORE BEGINNING INSTALLATION.

Three different types of IF filters (YF-107C, YF-107CN, and YF-107SN) are available for the TS-480 transceiver. You can install a maximum of 2 IF filters in the transceiver. Refer to page 90 for the bandwidth information on each filter. As for the SO-3 option improves the transceiver frequency stability to

±0.5 ppm.

1Remove the top case (8 screws).

2Locate the filter and TCXO PCB and loosen the 3 screws.

IF filter/ TCXO PCB

EXT.SP

DATA

REMOTE

MIC

 

PANEL

 

 

 

 

COM

PADDLE

KEY

3Unlatch the connectors by pressing the connector tabs upwards.

OPTION

FILTER1

OPTION

FILTER2

EXT.SP

DATA

REMOTE

MIC

 

 

 

PANEL

 

 

 

 

COM

PADDLE

KEY

 

4Insert the IF filter(s) and/ or SO-3 TCXO.

Calibration hole

 

 

 

SO-3

Secondary IF filter

 

 

Primary IF filter

 

 

 

 

 

NIO

O

 

 

XO

OPTION

FILTER1

OPTION

FILTER2

 

 

 

81

Page 89
Image 89
Kenwood TS-480SAT, TS-480HX instruction manual Installing Options, Removing the TOP Cover, VGS-1 Voice Guide & Storage Unit