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Identifying an unknown LCD pinout

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Emil Gospodinov

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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.
 

Here is the pinout for 13 pin LCD 9986d978e240f1a136135939e0756f2c.media.200x332.png
 

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