1994 XJ40 Sov 4.0 Radio wont switch on anymore

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BigCatXJS

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1994 XJ40 Sov 4.0 Radio wont switch on anymore

Postby BigCatXJS » Sat Jan 06, 2018 9:53 pm

Hi All,

My radio / cassette head unit has recently stopped working. Over the last few months it had an intermittent issue whereby on some occasions it simply would not switch on but with some perseverance (switch on switch off in a repeat cycle) it would eventually switch on and would operate as expected for a few weeks without issue until the issue re-occurred. However, just this week the issue persists and I can no longer enjoy listening to my CDs and the radio.

I have noted that when the unit is non-functional, the red security light (located top right on the unit) is flashing every few seconds or so.

I worry that maybe water ingress is causing an issue. Despite having a new front windscreen and some holes in the bulk head sealed the front passenger foot well can on occasion feel damp (well, the insulation under the carpet can feel damn/wet occasionally).

Does anyone have any pointers on what could be causing the issue? Are there any checks I could perform? I'm not a great fan of pulling the trim apart, but am willing to have a go if its not too onerous...

Many thanks in anticipation,
Rich
1989 Jaguar XJ-S V12 HE 5-speed manual
1994 Jaguar XJ40 Sovereign
2003 Jaguar S-TYPE R
2006 Jaguar XJ Sovereign TDVi
2007 Mercedes CLK350 Convertible
2010 BMW E92 3 Series Coupe
Past:
1996 Daimler Six LWB
2004 Volvo S60 D5 (RICA 210bhp)
1985 E28 BMW M535

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BigCatXJS

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Posts:744
Joined:Tue Dec 30, 2008 10:35 am

Re: 1994 XJ40 Sov 4.0 Radio wont switch on anymore

Postby BigCatXJS » Tue Jan 16, 2018 12:37 pm

I have a work-around :)

It involves my Samsung S7 phone and the simple radio app. Now I can listen to the 1pm news on Radio 4 using my phone when out for lunch in the XJ40. It sits nicely in front of the broken radio /cassette head unit so it does not roll around.

I guess the fix will have to wait until the car goes into the garage for some minor bobywork in a month or so.

Rich.
1989 Jaguar XJ-S V12 HE 5-speed manual
1994 Jaguar XJ40 Sovereign
2003 Jaguar S-TYPE R
2006 Jaguar XJ Sovereign TDVi
2007 Mercedes CLK350 Convertible
2010 BMW E92 3 Series Coupe
Past:
1996 Daimler Six LWB
2004 Volvo S60 D5 (RICA 210bhp)
1985 E28 BMW M535

naki
Posts:435
Joined:Thu Aug 30, 2012 12:28 pm
Location:Kirton, nr Boston, Lincs, UK.

Re: 1994 XJ40 Sov 4.0 Radio wont switch on anymore

Postby naki » Wed Jan 17, 2018 1:48 am

These 40 radios are not easy to fix once they go intermittent/ die. There are companys that off to repair them, but i would expect it to cost over £100. Theres a similar thread going on X300 radios, so the same situation there really!
Most people recommend updating to a modern stereo, though that doesn't suit everyones taste on originality of course.
91 4.0 XJ6 Manual
92 4.0 XJR Manual
93 3.2S-4.0S Man conv
93 4.0 Sov
93 6.0 XJ81 DD6
93 6.0 XJ81 XJ12
94 4.0 XJR
96 X306 4.0 XJR
96 X300 Daimler Six LWB
97 X300 Sport 4.0 Manual
00 LR Discovery 2 TD5 ES A
03 X350 4.2 XJR
BREAKING various X300/ XJ40/ X308

naki
Posts:435
Joined:Thu Aug 30, 2012 12:28 pm
Location:Kirton, nr Boston, Lincs, UK.

Re: 1994 XJ40 Sov 4.0 Radio wont switch on anymore

Postby naki » Wed Jan 17, 2018 1:59 am

I know an owner who works in electronics who has fixed his own late 40 radio before. i can put you in touch if you like, and see what he can suggest?
PM me.
91 4.0 XJ6 Manual
92 4.0 XJR Manual
93 3.2S-4.0S Man conv
93 4.0 Sov
93 6.0 XJ81 DD6
93 6.0 XJ81 XJ12
94 4.0 XJR
96 X306 4.0 XJR
96 X300 Daimler Six LWB
97 X300 Sport 4.0 Manual
00 LR Discovery 2 TD5 ES A
03 X350 4.2 XJR
BREAKING various X300/ XJ40/ X308

User avatar
BigCatXJS

Moderator
Posts:744
Joined:Tue Dec 30, 2008 10:35 am

Re: 1994 XJ40 Sov 4.0 Radio wont switch on anymore

Postby BigCatXJS » Mon Jan 22, 2018 4:25 pm

Thanks Naki. I was fairly sure I PM'ed you but upon checking I can find no trace of my PM :(

If you could intro - that would be great!

Thanks, Rich
1989 Jaguar XJ-S V12 HE 5-speed manual
1994 Jaguar XJ40 Sovereign
2003 Jaguar S-TYPE R
2006 Jaguar XJ Sovereign TDVi
2007 Mercedes CLK350 Convertible
2010 BMW E92 3 Series Coupe
Past:
1996 Daimler Six LWB
2004 Volvo S60 D5 (RICA 210bhp)
1985 E28 BMW M535

naki
Posts:435
Joined:Thu Aug 30, 2012 12:28 pm
Location:Kirton, nr Boston, Lincs, UK.

Re: 1994 XJ40 Sov 4.0 Radio wont switch on anymore

Postby naki » Sat Feb 10, 2018 4:34 am

Sorry Rich, I only just saw this. No PM. Try again as I can’t print a personal email on a public forum.
91 4.0 XJ6 Manual
92 4.0 XJR Manual
93 3.2S-4.0S Man conv
93 4.0 Sov
93 6.0 XJ81 DD6
93 6.0 XJ81 XJ12
94 4.0 XJR
96 X306 4.0 XJR
96 X300 Daimler Six LWB
97 X300 Sport 4.0 Manual
00 LR Discovery 2 TD5 ES A
03 X350 4.2 XJR
BREAKING various X300/ XJ40/ X308


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