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Alpine TME-680EM LCD Monitor wiring

Old Aug 17, 2011 | 11:36 AM
  #1  
Leon727's Avatar
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Question Alpine TME-680EM LCD Monitor wiring

Hi Members!

I need some informations about Alpine TME-series LCD monitors.
I spent many hours on internet looking for it but it was not successful at the moment. I asked Alpine, no answer comes yet.

Who knows the pinout of that cable?

Alpine TME-680/EM LCD Monitor.
This is for the monitor:
Alpine TME-680EM LCD Monitor wiring-alpine_lcd-cable_01.jpg

This is for the blackbox:
Alpine TME-680EM LCD Monitor wiring-alpine_lcd-cable_03.jpg

I need informations for the numbered one.

Thanks in advance!

Best regards,
Leon727
Old Aug 18, 2011 | 03:22 PM
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Question

Additonal info:

I have a theory about that cable.
What if the 8 pins are the follows. The order does not matter for the theory.
1. 12V memory
2. 12V ACC
3. GND
4. Audio In L
5. Audio In R
6. Composite Video In
7. Remote Sensor
8. Headphone IR Sensor
or something like this.

If this would be the pinout then I do not need the blackbox to use that Monitor. This is important for me because I bought this for 50 USD without blackbox and the blackbox would be approximately 300 USD...
If the 4., 5., 6. pins would be "special" Alpine communications Bus (Bus Data, Bus GND, etc.) then my theory fails.

Another question:
How can I test the Monitor without damage it?
I am sure that this Monitor needs 12V and GND.
How can I find that pins?
Any idea?

Sorry for my "funny" english language.

Thanks,
Leon727
Old Aug 18, 2011 | 10:27 PM
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Dismantle it really
Old Aug 26, 2011 | 10:20 AM
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Leon727's Avatar
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Question Alpine TME-680EM LCD Monitor wiring

Alpine TME-680EM LCD Monitor wiring-alpine_8-12pin.jpg

8pin rounded cable -> 12pin flat cable

1 -> 8
2 -> 2
3 -> 3
4 -> 5,6,9,10
5 -> 7
6 -> 4
7 -> 1
8 -> 12

These are the connections between the two ends of that cable.

I removed the back panel of the monitor.
Alpine TME-680EM LCD Monitor wiring-alpine_lcd_circuits_01.jpg

There are 2 major chips.
st72f264g2m6 - 28pin (I have the detailed datasheet.)
Alpine TME-680EM LCD Monitor wiring-st72f264g2m6_01.jpg

TW8806 - 128pin (I have the detailed datasheet too.)
Alpine TME-680EM LCD Monitor wiring-techwell_01.jpg

12pin connector on the board:
Alpine TME-680EM LCD Monitor wiring-alpine_12pin_connector.jpg

I have a digital multimeter and I measured resistivity between several points.
If it is almost zero then there is a connection between the appropriate points.

First of all, I would like to know, which pins are potential (maybe +12V) and GND (negative).

My suggestion is that pin4 -> pin5,6,9,10 is GND.
Pin8 -> pin12 belongs to DIMMER function.

How can I find out what is the positive pin without damage the monitor?

Thanks,
Leon727
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