[linux-dvb] Re: Nebula DigiTV and nxt6000 problems

["Robert Cook" <robert@softek.com.au>]

The board revision is E 03/2003

It has the following chips:

About 1cm square
NxtWave communications
Nxt 6000
DD8376
1A1 0304

About 2cm x 1.5cm
CONEXANT
FUSION 878A
25878-13
E332413.1
0308 TAIWAN

Robert

-----Original Message-----
From: linux-dvb-bounce@linuxtv.org [mailto:linux-dvb-bounce@linuxtv.org]
On Behalf Of Holger Waechtler
Sent: Monday, 26 January 2004 10:57 AM
To: linux-dvb@linuxtv.org
Subject: [linux-dvb] Re: Nebula DigiTV and nxt6000 problems


Robert Cook wrote:
> The markings on the outside of the tuner under the DigiTV label are:
> 
> TDED4-504A
> TDED4-504A
> 352226A
> MADE IN JAPAN
> 
> On the inside there appears to be two chips identical I think. They 
> are about 13mm long x 2mm wide and 4mm high. It looks like they have 5

> pins with the following markings:
> 
> EPCOS X7251D
> 4515 JIR4
> 
> A little looking around they appear to be 
> http://www.epcos.com/inf/40/ds/mm/X7251D.pdf

that's the SAW filter. You need to look for the demodulator, this should

be a pretty big (maybe 2..3cm length of each side) chip labeled with 
e.g. NXT6000 (this would be the one used on the old Nebula cards - but 
maybe they have changed this - ). Since the TDED4 has no demodulator 
built-in, this chip is probably located nearby the tuner metal can in 
your case.

Holger




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