Kingray MHV34 Manual de usuario

INSTALLATION MANUAL

• A masthead ampliﬁer is designed

to amplify low signal levels for both

analogue and digital applications.

• The ampliﬁer gain should be selected

to suit each individual environment.

• Mount with polypropylene securing

strap on to mast or mount to a wall

with cable connectors at the bottom.

• Best mounting location for masthead

unit is on mast 30 cm to 100 cm

below antenna.

• Ensure weatherproof strips remain

in place.

TECHNICAL ADVICE

Drawing No: 30673-6

Part No. 310077

Optimised for both Digital and

Analogue TV Signal Ampliﬁcation

MODEL MHV34

Masthead Ampliﬁer

Thank you for selecting an Australian designed and built

masthead ampliﬁer.

1. Check there is no earth braid touching the centre

conductor on the coaxial cable.

2. Is there more than one outlet? Check the

splitter box, the power supply must be connected to

the coaxial outlet that feeds the AC/DC leg of the

splitter box to pass power to the head unit. (Check

if LED is on).

3. Is there now too much signal causing an

overload effect to the VCR? Try turning down

the gain controls on the masthead unit, or select a

smaller dB rating ampliﬁer.

4. If there is a white line moving through the

picture:

Try a PSK06 14 V DC power supply.

INstallatIoN coNNectIoN terMINals

power sUpplIes

2 3

The MHV34 is a low noise masthead ampliﬁer designed to amplify VHF channels 0-12 by 38 dB and

diplex UHF channels 28-69.

Note: Place MHV34 ampliﬁer near the antenna(s) to improve the S/N ratio.

OPTION (A)

Amplifying VHF CH 0-12 by 38 dB

1) Connect VHF antenna to VHF input.

2) Connect Power Supply coax lead to output terminal.

OPTION (B)

Amplifying VHF CH 0–12 by 38 dB Diplexing UHF

CH 28-69 with no gain.

1) Connect VHF antenna to VHF input.

2) Connect UHF antenna to UHF input.

3) Connect Power Supply coax lead to output terminals.

MHV34

VHF IN

UHF IN UHF/VHF OUT

To PSK06 or PSK08 Power SupplyTo PSK06 or PSK08 Power Supply

Ω

300

Terminal

Ω

300

Terminal

Ω

Jumper

disconnected

when using 300

Insert 6 mm of centre conductor

Terminal

Caution:Oninstallationensurethatouter

copperbraidandcentreconductorarenot

shortingtogether

Cablepreperation:

Fold braid over

outer insulation

6 mm 6 mm 6 mm

Ω

Jumper

disconnected

when using 75

Ω

300

Terminal

Ω

300

Terminal

Ω

Jumper

disconnected

when using 300

Insert 6 mm of centre conductor

Terminal

Caution:Oninstallationensurethatouter

copperbraidandcentreconductorarenot

shortingtogether

Cablepreperation:

Fold braid over

outer insulation

6 mm 6 mm 6 mm

Ω

Jumper

disconnected

when using 75

Ω

300

Terminal

Ω

300

Terminal

Ω

Jumper

disconnected

when using 300

Insert 6 mm of centre conductor

Terminal

Caution:Oninstallationensurethatouter

copperbraidandcentreconductorarenot

shortingtogether

Cablepreperation:

Fold braid over

outer insulation

6 mm 6 mm 6 mm

Ω

Jumper

disconnected

when using 75

VHF IN

VHF AERIAL

VHF OUT

MHV34

VHF IN

VHF AERIAL

VHF/

UHF

OUT

MHV34

UHF IN

UHF

AERIAL

VHF IN

VHF AERIAL

VHF OUT

MHV34

VHF IN

VHF AERIAL

VHF/

UHF

OUT

MHV34

UHF IN

UHF

AERIAL

Use models:

PSK08/F - 17.5 V AC, 100 mA.

PSK06/F - 14 V DC, 150 mA.

All these models are short circuit protected, allowing a short circuit to be tolerated for an indeﬁnite

period without harming to the unit. Removal of the short circuit will immediately allow the power supply

to operate normally.

For your safety, install any external aerial to AS1417.1.

precaUtIoNs

Ω

300

Terminal

Ω

300

Terminal

Ω

Jumper

disconnected

when using 300

Insert 6 mm of centre conductor

Terminal

Caution: On installation ensure that outer

copper braid and centre conductor are not

shorting together

Cable preperation:

Fold braid over

outer insulation

6 mm 6 mm 6 mm

Ω

Jumper

disconnected

when using 75

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