MG ZT-T Sat Nav upgrade software

[audi321]

Hi, I'm just about to buy a 54 plate ZT-T which comes with a TV/SAT NAV unit.

3 questions please. Can the sat nav software be updated? If so, how?

Is the TV quality any good? I guess it will turn itself off when driving, but is there a workaround to get it to stay on permanantly?

Finally is there any inputs to attach an external dvd player?

Thanks for any help!

[Kermit power]

With the satnav, do you mean the software, or do you mean the maps? The former can only be upgraded by fitting a Mk3 BMW satnav computer (around £120 on Ebay) as the ones they sold to MGR had frozen firmware. The maps are just a case of getting a more recent CD.

As for the TV, it's pretty pointless as it's an analogue tuner, and analogue broadcasts have already been turned off in some parts of the country, and the other parts won't be far behind. You could get a freeview tuner for it, but they're not cheap.

As for having it always on, why would you want to do that? The screen is too small for kids to see from the back, and it would just be a distraction while you're driving.

Finally, no, there isn't a connection for an external DVD player.

If you were planning to spend money upgrading it, you'd probably be far better off fitting a nice double din unit with built in hard drive, better sat nav, a bigger screen and all that nice stuff.

[Alicatt1]

Kermit power said:

Finally, no, there isn't a connection for an external DVD player.

If you were planning to spend money upgrading it, you'd probably be far better off fitting a nice double din unit with built in hard drive, better sat nav, a bigger screen and all that nice stuff.

There is an AV input on it but you need to get the right adapter/loom to fit the BMW parts, there is even an input for a reversing camera but it is NTSC and again you need the right adapter for the BMW.
Hang, there is even a driver unit in the TV module for rear LCD screens but have never seen any fitted. The furthest I took mine was the telephone integration for my Nokia 6310i and it worked well, but it is not compatabile with newer phones.
As you said tho, best to get the nice after market double din unit

[Kermit power]

Alicatt1 said:

Kermit power said:

Finally, no, there isn't a connection for an external DVD player.

If you were planning to spend money upgrading it, you'd probably be far better off fitting a nice double din unit with built in hard drive, better sat nav, a bigger screen and all that nice stuff.

There is an AV input on it but you need to get the right adapter/loom to fit the BMW parts

Is that in addition to the CD multiplay input? If so, where on earth is it?

[Alicatt1]

It's on the circuit diagrams on the rave disk, which I don't have to hand just now as the car is in Dreadnought just now and the disk is in the glove box and I'm in Belgium

It was discussed a few years ago on the XPower forums with diagram and pin-outs shown, will have a search and see if I can find it.

[Alicatt1]

After a bit of digging....
From http://forums.xpowerforums.com/showthread.php?t=13...

There are existing Aux RGB outputs from the Video module
Video module connector C0820 (black with blue cover) (one of two 18pin connectors on VM)

Pins, Description, Input/Output
1 VBatt 12V feed input
2 Not Used
3 K Bus input / output
4 Red Video 50ohm secondary output output
5 Green Video and Sync 50ohm to LCD display output
6 Blue video 50ohm to LCD display output
7 Red Video 50ohm to LCD display output
8 Green Video 50ohm secondary output output
9 Navigation / TV audio output
10 Earth input
11 Not Used
12 Earth for LCD display output
13 Blue video 50ohm secondary output output
14 Video Earth for 50ohm output output
15 Video Earth for 50ohm output output
16 Video Earth for 50ohm output output
17 Camera Control output
18 Navigation output output
________________________________________________

Video module connector C0825 (Black with natural cover)(second of two 18pin connectors on VM)

Pins, Description, Input / Output
1 Headphones + output
2 Video module video output
3 Navigation audio in + input
4 Video Recorder audio + input
5 Video Recorder audio - input
6 Video Recorder video input
7 RGB Ground from Navigation computer input
8 Syncronisation from Navigation Computer input
9 Rear TV Control input
10 Headphones - output
11 Video module video earth output
12 Navigation audio in - input
13 Camera video input
14 Camera Video earth input
15 Video Recorder video earth input
16 Green + Sync 75ohm video from nav computer input
17 Blue 75ohm video from nav computer input
18 Red 75ohm video from nav computer input
________________________________________________ ___
Navigation Computer Connector C0897 (black with blue cover)

Pins, Description Input / Output
1 VBatt 12V permament feed input
2 not used
3 K bus input/output
4 Red video 75ohm to video module output
5 Green video + Sync 50ohm to LCD output
6 Blue video 50ohm to LCD output
7 Red video 50ohm to LCD output
8 Green video 75ohm to video module output
9 Navigation audio + output
10 Earth input
11 Not Used
12 Earth for LCD output
13 Blue video 75ohm output
14 Earth for 50ohm for video output
15 Earth for 75ohm for video output
16 Earth for 50ohm for video output
17 Video synchronisation to video module output
18 Navigation audio - output
________________________________________________ __________
Navigation computer connector C0898 (black with yellow cover) (second of two 18 pin connectors)

Pin, Description, Input / Output
1 Reversing light signal input
2 Not Used
3 VBatt 12V Aux feed input
4 to 6 Not Used
7 Navigation Bus (Low line only) input/output
8 Serial link to GPS receiver output
9 serial link from GPS receiver input
10 Left road speed signal from ABS ECU input
11 Right road speed signal from ABS ECU input
12 Not used
13 to 15 Test output output
16 Pulse per second (PPS) from GPS receiver input
17 Serial link to GPS receiver output
18 Serial link to GPS receiver inverted input