Inlocuire ecran grafic

[costy]

Nu stiu sigur daca aici e locul potrivit deci daca e cazul, rog un moderator sa mute topicul unde e mai potrivit.

 

Pe scurt e vorba de schimbarea unui ecran grafic de la o scula Yamaha RM1x cu un alt tip de ecran

 

In manualul de service se poate vedea pinoutul celui vechi:

pin 1 - Contrast pot

Pin 2 - Contrast pot

Pin 3 - XD3 - 4-bit X-driver (column drive) data output

Pin 4 - XD2 - 4-bit X-driver (column drive) data output

Pin 5 - XD1 - 4-bit X-driver (column drive) data output

Pin 6 - XD0 - 4-bit X-driver (column drive) data output

Pin 7 - LP - X driver Latch pulse - LP latches the signal in the X-driver shift registers into the output data latches. Connect LP to the Y-driver shift clock on modules.

Pin 8 - YD - Scan start pulse/signal- YD is the data pulse output for the Y drivers.

Pin 9 - Ground

Pin 10 - WF - Frame signal for X/Y driver - LCD panel AC drive output. The WF period is selected to be one of two values with SYSTEM SET command.

Pin 11 - XSCL - X-driver data shift clock - The falling edge of XSCL latches the data on XD0 to XD3 into the input shift registers of the X-drivers.

Pin 12 - 5V

iar aici este pinoutul noului ecran

am facut urmatoarele legaturi:

pin ecran pin aparat

1.FLM FIRST LINE MARKER 8 YD scan start

2.Line Pulse 7. Latch pulse

3.XSCL - X-driver data shift clock 11. XSCL - X-driver data shift clock

4. LCD ac driving input 10 - WF - Frame signal for X/Y driver - LCD panel AC drive output

5,6,7,8 sunt pini de alim si contrast ce nu cred ca pun probleme

9,10,11,12 6,5,4,3 pini de date

13 Disp OFF legat la 5v pt a porni displayul

14,15,16 neconectate

Rezultatul este ca ecranul nu afiseaza nimic , in schimb pot regla contrastul

Intrebarea mea este, acest ecran este macar compatibil cu controllerul(SED1335F0B) din aparat sau unde am gresit?

[costy]

update , la mine a ajuns fara lcd iar acum am aflat ca facea la fel si cu lcd vechi deci posibil sa fie controllerul dus sau altceva pe placa