My Projects

F-4528

LCD Description
ModelF-4528
Manufacturer
Recovered fromDigitor F-4528 phone 1)
Board IDsEPBD25FR REV2
LCD typepositive
Polarizer typereflective
Columns16
Rows3 2)
Char matrix7-segment, 5×5
Driver IC
Backlight-
Arduino driver
Connector
Num Pins
Pin spacing

CON1

Connector pin-out Arduino test rig
Pin#IC pinLabelPincolour
1 lo-
2lcd lo-
3lcd hi-
4 885ohm
5 lo-
6 GNDlo0ohm
7lcdVcc?hi-
8 1.7mS wave 360ohm
9 1.7mS wave 370ohm
10lcd hi-
11lcd hi-
12lcdreset?hi-

CON2

Connector pin-out Arduino test rig
Pin#IC pinLabelPincolour
1 Vcchi1.3k
2lcd hi515ohm
3 sclk 1.4kHzlo100ohm
4 sdahi100ohm
5lcd lo540ohm
6 lo310ohm
7 hi-
8lcd lo847ohm
9 lo-
10 hi490ohm
11 lo-



Has an LCD controller underneath the LCD on the top of the board. I'm not sure whether this includes other logic too, the LCD board is connector to the keyswitches, so it must be used for at least that function too. There may not be a way to access the LCD logic by external controllers.

Datasheets

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Examples :

F-4528

F-4528

F-4528
F-4528
F-4528
F-4528
F-4528

F-4528

F-4528

1) appears to be the same as Audioline TEL38 clip
2) 1 row symbols and digits, 1 row 7-segment digits, 1 row 5×5 alphanumeric