Identifying an unknown LCD pinout

[Emil Gospodinov]

Hello,
The panel is taken from broken inkjet printer EPSON b310n. There's some numbers on the back of the LCD: LMP162C84-TR-T DS4B5, no info available online for. Only the LCD pins are unknown. The rest are some leds and switches.





13 - ?
12 - GND
11 - ?
10 - ?
9 - ?
8 - ?
7 - ?
6 - GND
5 - Vss (3V? 3.3V? or 5V?)
4 - cap - 3 (I saw in other LCD datasheets that this is "For voltage booster circuit")
3 - cap - 4 (I saw in other LCD datasheets that this is "For voltage booster circuit")
2 - cap between it and Vss
1 - ? (goes nowhere)

I wasn't able to drive it as HD44780.
Any help is welcome.

 

[Surendhar M]

Here is the pinout for 13 pin LCD

 

[Emil Gospodinov]

Pin 5 is Vcc (my bad)

Here is the pinout for 13 pin LCDView attachment 114775

Thanks for your reply. This COG LCD has some kind of driver (chip-on-glass), how to determine it's pins as well?