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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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I've got this digibox with 13V present at the lnb output with "No
Signal" on screen. I've confirmed the dish is ok with another digibox. What could be wrong here? Thanks |
#2
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On Sat, 13 Oct 2007 11:36:54 -0700, Jack00 wrote:
I've got this digibox with 13V present at the lnb output with "No Signal" on screen. I've confirmed the dish is ok with another digibox. What could be wrong here? Thanks It's broken... |
#3
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![]() "Jack00" wrote in message oups.com... I've got this digibox with 13V present at the lnb output with "No Signal" on screen. I've confirmed the dish is ok with another digibox. What could be wrong here? Thanks ZIF chip or PSU caps ? Arfa |
#4
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I've changed the psu caps in this digibox already. Whats the circuit
ref for ZIF chip? Do you know where I can obtain a service manual for this digibox? Thanks |
#5
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![]() "Jack00" wrote in message oups.com... I've changed the psu caps in this digibox already. Whats the circuit ref for ZIF chip? Do you know where I can obtain a service manual for this digibox? Thanks The ZIF chip is the big fella in the digital tuner module, and requires specialist infra-red top and bottom soldering equipment to replace. Friend of mine used to have all the gear for it and did lots of them on various manufacturer's boxes, and I'm pretty sure that Grundigs were amongst them. Don't know whereabouts you are, but if in the UK http://www.mces.co.uk/ offer tuner and I think whole digibox repairs. Check out their very helpful website. You might also like to take a look at Martin Pickering's very good website with technical help forums http://www.satcure.co.uk/ Arfa |
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