ZMM Haskovo Joybook R48 Series Service Manual download pdf (Page 28)

PMOR3021S

PMOR3021B

PMOR3021R

Pin No. Signal I/O Description

48-72

SEG24-SEG0

OUT Segment data signal.

Connected to LCD.

The relation between signals are as follows:

LSI signal (Pin No.) LCD (Pin No.) LSI signal (Pin No.) LCD (Pin No.)

SEG 24 (48)----------------- SEG24 (29) SEG 11 (61) ------------------ SEG11 (16)

SEG 23 (49)----------------- SEG23 (28) SEG 10 (62) ------------------ SEG10 (15)

SEG 22 (50)----------------- SEG22 (27) SEG 9 (63) ------------------ SEG 9 (14)

SEG 21 (51)----------------- SEG21 (26) SEG 8 (64) ------------------ SEG 8 (13)

SEG 20 (52)----------------- SEG20 (25) SEG 7 (65) ------------------ SEG 7 (12)

SEG 19 (53)----------------- SEG19 (24) SEG 6 (66) ------------------ SEG 6 (11)

SEG 18 (54)----------------- SEG18 (23) SEG 5 (67) ------------------ SEG 5 (10)

SEG 17 (55)----------------- SEG17 (22) SEG 4 (68) ------------------ SEG 4 ( 9)

SEG 16 (56)----------------- SEG16 (21) SEG 3 (69) ------------------ SEG 3 ( 8)

SEG 15 (57)----------------- SEG15 (20) SEG 2 (70) ------------------ SEG 2 ( 7)

SEG 14 (58)----------------- SEG14 (19) SEG 1 (71) ------------------ SEG 1 ( 6)

SEG 13 (59)----------------- SEG13 (18) SEG 0 (72) ------------------ SEG 0 ( 5)

SEG 12 (60)----------------- SEG12 (17)

73/74 VCC/VREF IN Connected to GND.

75 AVSS IN Connected to VC.

76 COM3 OUT Common data signal. Connected to LCD signal COM4.

77 COM2 OUT Common data signal. Connected to LCD signal COM3.

78 COM1 OUT Common data signal. Connected to LCD signal COM2.

79 COM0 OUT Common data signal. Connected to LCD signal COM1.

80 VL3 IN Power source voltage input terminal.

Standard voltage for LCD.

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 43 44

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ZMM Haskovo Joybook R48 Series Service Manual Page 28