Panasonic EB-GD67 Service Manual

Also see for EB-GD67: Operating instructions

INTERFACES AND TEST POINTSIssue 1 Section 7 MMCD020801C8Revision 0 – 30 – Service Manual7.1.2 LCD Module Interface ConnectionsFigure 7.2: LCD Module Connector11 RTS <== RS232C: Request to Send12 CTS ==> RS232C Clear to Send13 EXT-PWR <== Power supply for Battery Charge14 GND - Power supply and digital signal groundPin Signal PCB-LCD Function Connection Status1 LED1- - BACKLIGHT LED1 CATHODE Q732 #42 LED+ - LED SUPPLY VOLTAGE 4.5 V D621 #13 LED2- - BACKLIGHT LED2 CATHODE Q732 #44 VDD - POWER SOURCE FOR LCD MODULE D28V5 GROUND - GND6 nRESET -> RESET SIGNAL CALYPSO #N27 nCS±CD -> LCD CHIP SELECT SIGNAL CALYPSO #D3 CALYPSO nCS38 LCD±RS -> LCD DATA / COMMAND SELECT CALYPSO #M4 CALYPSO IO39 RnW -> LCD WRITE U730 #4 RnW or WAIT10 D[0] -> DATA BUS BIT 0 CALYPSO #B711 D[1] -> DATA BUS BIT 1 CALYPSO #D712 D[2] -> DATA BUS BIT 2 CALYPSO #E713 D[3] -> DATA BUS BIT 3 CALYPSO #D614 D[4] -> DATA BUS BIT 4 CALYPSO #A615 D[5] -> DATA BUS BIT 5 CALYPSO #C616 D[6] -> DATA BUS BIT 6 CALYPSO #E617 D[7] -> DATA BUS BIT 7 CALYPSO #C518 GROUND - GNDNo. Name HH <==>EXT Function H/H Circuit10582-12.8 V10k33010584-133010585-110095-218 1910572-1