KTL-190L-02 LCD

[Miggidy]

The screen is scrambled as shown in attachment in .jpeg and .tiff formats
Any suggestions on rather this might be the power supply, Inverter board or something or the LCD board itself ?????

 

Thanks

[cp]

Possibility that one of the eproms on cpu has bent leg... especially if you've been doing a game change.  Check Base / GME  eproms.

[Firebird]

I agree, check the CG chips to make sure you don't have a bent leg on one of them, otherwise I would say that is an A/D board problem. You could also narrow the problem down by plaing this monitor in another game and see if the problem follows it, if it does the same in a different game then it is the monitor, if not, it is probably one of the CG chips.

[Miggidy]

I put the LCD into another game and yes the problem did follow the LCD.
The fix so far was the inverter board, so far no more problems.

Thanks everyone though

[Miggidy]

Follow up question related to the KTL190-02

I was checking the pin out config of the KTL190S-21 compaired to the KTL190-02

Nothing was different
The solid Black cable Pins 1-11 went to the green board on the LCD, color of wires identical

Pins 12-15 & 20-22 for the grey wire, (VGA Plug) also were identical.

Pins 7 & 23 Ground the same

Pins 24 & 25 used for the power supply

Yet when you plug the KTL190S-21 into a game where it uses a KTL-190-02 LCD, it does not come up.

It there anything we can do to modify this LCD to work in the KTL-190-02 chassis?????  

[poppo]

The fix so far was the inverter board, so far no more problems.

I thought the inverter board on LCDs were for driving the backlight. 

[Firebird]

There is a jumper on the A/D board, switch it to the other set of pins and try it again.