TROUBLE SHOOTING GUIDE

If you suspect there is a problem with your receiver, please check the following trouble shooting guide before calling a Manhattan authorised service agent.

WARNING! Do NOT attempt to repair the receiver yourself. Tampering with the receiver may result in fatal electric shock and will invalidate your warranty.

Symptoms --- Possible cause / solutions

Front display not lit ---Check that the mains lead is plugged into the power socket. Check that your TV is tuned for the correct channel or is switched to correct AV input.

No picture or sound or any menus ---No signal. Channel is scrambled. The antenna is not in correct position. Check LNB wire is not damaged or shorting. Check LNB may be faulty. Unplug receiver from power socket and retry.

Interference, on picture, using Modulator output --- Local terrestrial TV interference. Switch the output

channel to different one then re-tune your TV. Select the appropriate ‘TV Standard’ using TV Settings menu. Bad picture with blocking or frozen ---Signal weak or noisy. Check signal quality. Antenna not in correct position

Not responding to remote control ---Check the batteries in your remote control. Replace with new. You have lost or forgotten your password ---Apply master password or contact your Manhattan dealer.

SPECIFICATI

 

SPECIFICATIONS

 

TUNER

 

Input Connector

F-type IEC 169-24 Female

Frequency Range

950MHz to 2150MHz

Input Impedance

75 Ohm

Signal Level

-25 to - 65 dBm

LNB Power & Polarization

Vertical +14V, Horizontal +18V (600mA Max. with Overload Protection)

LNB Control

22KHz … 4 KHz, Tone burst A/B and DiSEqC 1.2

22 KHz Tone Amplitude

0.6Vpp (…0.2V)

Input Symbol Rate

1~45 Msps

FEC Decoder

Auto, 1/2, 2/3, 3/4, 5/6, 7/8

SYSTEM

 

Transmission Standard

DVB MPEG-2

Input Data Rate

Max 15Mb/s

Aspect Ratio

4:3, 16:9

Video Resolution

720 x 480 NTSC, 720 x 576 PAL

Audio Decoding

MPEG Layer 1 and 2

Audio Mode

Single channel / Dual Channel/Joint Stereo / Mono

Sampling Rate

32KHz, 44.1KHz, 48KHz, 96KHz,

COMMON INTERFACE

 

Slots

2 slots type 1 and type 2

PCMCIA

DVB Common Interface Standard

IRDETO EMBEDDED CI

 

Card Slot

1 Slot DVB Common Interface Standard

PVR READY

To fit 40 - 120 GB Hard Disk Drive

CONNECTORS

 

CVBS

1 PHONO RCA

Audio Output

2 x PHONO (L, R) / RCA

Digital Audio Output

1 PHONO RCA (S/P DIF)

+12V Output

1 PHONO RCA (+12Volts 100mA Max)

Data Interface

1 RS232 (Bit Rate: 115,200 baud Connector: 9-pin D-sub type)

RF connectors

75 Ohm IEC 169-2 Male/Female

RF MODULATOR

 

Frequency

60MHz to 72 MHz

Channel Range

CH3 to CH4

TV standard

NTSC M

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Manhattan Computer Products ST 250 Trouble Shooting Guide, Symptoms --- Possible cause / solutions, Specifications

ST 250 specifications

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