Author Topic: s2000 monitor dead help needed (Read 2119 times)

trashman · « **on:** December 27, 2019, 08:57:00 AM »

so here is a pic of back side should there be a plug at the end of monitor where there isnt one.are there any fuses for it.thanks

Stayouttadabunker · « **Reply #1 on:** December 27, 2019, 10:40:02 AM »

That 4-female pin Molex is not needed for your DDD game really.
No fuses up there for you to look at all.

Check to see if the 3-wire COMM harness is plugged into the front of the Net Distribution panel in the cabinet.
Check voltage coming from the Netplex harness going to the connector at location [U10] or
plug in a regular desktop computer power supply into the 4-pin connector at Loc:[J5] on the LCD MPU.
This is a good way to see if the invertor board lights up the LCD screen and boots up the RadiSys.

trashman · « **Reply #2 on:** December 27, 2019, 11:38:54 AM »

IM A SUPER NEWBEE to these s2000 if you have time can you send pic of Net Distribution panel where it should be pluged in the cabinet.thank you

Stayouttadabunker · « **Reply #3 on:** December 27, 2019, 01:14:18 PM »

No camera here at the moment.

Open the door, take out the tray & place aside.

Never remove or plug in anything with the power switch on - unless we tell you.

Or you will be buying parts forever.

Pull out the hopper and place aside.

Right behind the hopper you'll see a red LED lamp.

Look above it and you may see a 7-pin black Molex plugged in the top left of the box that has 3 grey wires with a black stripe, an orange stripe, and the top one with a yellow stripe.

Is it plugged in there?

If so, leave the hopper and tray out and the door partly open.

Turn on the power switch and tell what happens....in detail.

Remember, the more you tell/show us, the better we can help you.

I cannot stress that enough.

Make a video maybe if you can and put it here.

trashman · « **Reply #4 on:** December 28, 2019, 09:41:39 AM »

ok here is a pic of board when 1st turned on red light came on and stayed on nothing else.so then i closed door to give you what displays say to try to help 1 self test passed then 2 waiting for video display.3 then display goes blank for some time 4 then reels spin 5 then winner says no and credits says disp. finally machine says 1 call attendant 2 video display comm failure 3 closure m 4 restart.but this time looking under where coin tray was the red light wasn't lit i also tried it with door open again the red light never lighted again

Stayouttadabunker · « **Reply #5 on:** December 28, 2019, 05:33:23 PM »

okay...
Your 3-wire COMM looks okay.

Can you remove the glass from the topbox and take a picture of everything in there?
I want to see the back wall behind the LCD and also in the extension plug unit in the back left side of the topbox.
I have a feeling there's something up there that isn't needed for home use and rather is used for casino COMM and not for home use.

That red LED isn't supposed to be on at all. (On the power distribution panel)
Not only that, your distribution panel box has a fuse on top that most don't have.
The black knob that is really a fuseholder.
It's on top, in front of the 1st leftmost Molex connector for 115Vac. (Do NOT disconnect with power on!)
Most units don't have a glass tube fuse there...usually it's a "re-settable" 6-amp fuse.

I'm thinking a setting ( SAS or another protocol COMM ) is still turned on that we need to disable in order for you to play it.
I don't know yet but the red LED is pointing me in this direction.
They're supposed to look like these ones and none of these have that black fuseholder like yours has.

However, the fact that the red LED came on tells me that there's power on the com board inside.

But it doesn't tell me if you're getting 12Vdc going upstairs to the LCD.
Did you ever get a chance to power up the LCD with a regular desktop power supply?
If not, you need to undo the Netplex harness going to the LCD and check the voltages coming outta that harness to see if you're getting the power.

Click on photo below to make larger if needed...>>>

trashman · « **Reply #6 on:** December 29, 2019, 02:49:30 PM »

ok heres pics also can you tell me what plug is the power plug on monitor 1,2,3 or 4 thank you

Stayouttadabunker · « **Reply #7 on:** December 30, 2019, 11:09:25 AM »

You'd have to open the rear panel to see what the rightmost connector is.
I will guess it's a power connector running to loc:[J5] on the 486CPU.
Of course, it could also be anything else and we won't know until you open the panel.
Do that and send me a picture and I'll tell you if it's a power Molex or not.

trashman · « **Reply #8 on:** December 30, 2019, 01:36:37 PM »

here is a pic

Stayouttadabunker · « **Reply #9 on:** December 30, 2019, 02:21:39 PM »

Yep....that's an auxiliary 12 volt power connector to drive an optional LED light around the opening in the glass around the display screen.
Red/green/green/green = 12vdc/GND/GND/VCC
Your LCD doesn't need it to run because the Netplex (#4 in your picture in Reply#6) should supply the two voltages needed (25vdc & 13vdc).

Where are those 2 black wires in picture "bbb" coming thru the round hole going to?
The small double and the larger round one.
They look like 115Vac wiring?

trashman · « **Reply #10 on:** December 30, 2019, 02:40:22 PM »

the single fat wire is for the topper the double wire goes to a black box left side by reel the other end goes to pic aa

Stayouttadabunker · « **Reply #11 on:** December 30, 2019, 02:52:24 PM »

Quote from: trashman on December 30, 2019, 02:40:22 PM

the single fat wire is for the topper the double wire goes to a black box left side by reel the other end goes to pic aa

okay...sounds like power for the topper....I didn't even see it...it's on top of your roundtop.

Okay...gimmie a minute here and I'll get back to you.....get your multimeter out...we gotta check some plugs for power for the LCD computer.

First of all...does the fan (has a black wire & a red wire) on the side of the LCD computer near the memory sticks come on when you turn on the machine??

trashman · « **Reply #12 on:** December 30, 2019, 03:14:09 PM »

yes fan come on

Stayouttadabunker · « **Reply #13 on:** December 30, 2019, 07:48:37 PM »

Hmm...sounds like power invertor for LCD gone bad...
This is a little video clip I tried to make for you on checking voltages going down the Netplex harness to (#4 in your picture in Reply#6).

https://youtu.be/iofmjpqdxBQ

If you're NOT getting the voltages, then the problem is further back to the Netplex Distribution board in the back wall of the topbox perhaps.

If you ARE getting the voltages, but the LCD isn't displaying the running Windows MS-DOS, then the problem is most likely with a spent/burned out LCD invertor.

The invertor lights up a tiny fluorescent tube like in cellphone screens.
It's located on the left side of the LCD computer under the fan under the metal casing.
Removal of just 2 Philips screws allows that box to open.
Basically it's a "ballast" to lite up the screen.

They look like this photo below...>>>

trashman · « **Reply #14 on:** January 01, 2020, 09:16:28 AM »

i got 12.7 for red wire and 24.9 for the other one.as for that invertor board i cant find it.

Stayouttadabunker · « **Reply #15 on:** January 01, 2020, 10:58:37 AM »

If you blown up the photo I posted, you would see "LS520" imprinted on the LCD inverter board...Google that

ohh...here this guy's selling a pair...>>>

https://www.ebay.com/itm/LCD-inverter-Board-For-LS520-LS520A-RD-P-0542A-YMX92V-0-E221347-tracking-ID/173574193637?hash=item2869d401e5:g:s-gAAOSw-btaoPlA

trashman · « **Reply #16 on:** January 02, 2020, 01:21:23 PM »

i ordered them now to find them thanks again

trashman · « **Reply #17 on:** January 02, 2020, 01:48:44 PM »

do you know what model the monitor maybe and then i can google it.i dont see any board like that on this monitor housing anywhere

Stayouttadabunker · « **Reply #18 on:** January 02, 2020, 02:57:06 PM »

It's in the box on the left when looking from the back.
I described where it was in Reply#13?

If it's not there, that explains why the LCD doesn't light up! haha

Disregard the color of my inverter backlight board....I soldered a different one in there but it works because it lights up the same sized LCD backlight tubes.
Yours that you've bought, will be green for the Sharp 10.4" LQ10D421 LCD
Click on photos below to enlarge if needed...>>>

therockinelvis · « **Reply #19 on:** January 02, 2020, 06:05:42 PM »

From China. Expect 4 weeks for delivery.

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Author Topic: s2000 monitor dead help needed (Read 2119 times)