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Brother DP-525CJ Service Manual: Fig. 2.21 Lcd Display Operation Block Diagram

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LCD Module
The block diagram of the LCD display operation is shown in Fig. 2.21. CBIC (#8) on the
main PCB outputs the LCD module control signals to the LCD module. The LCD drive
voltage (VEE) is generated by DC-DC convertor by the pulses output from CBIC (#8).
Display data, the data written to the SRAM (#6) that functions as Video RAM is always
sent to the LCD module as 4-bit parallel data.

Fig. 2.21 LCD Display Operation Block Diagram



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  • brian aaron Jan 27, 2017 03:48:
    ​I have a brother dp 540cj and it has a built in diskette drive.
    I have a ibm thinkpad latop. I connected a Memorex external usb floppy drive to the ibm thinkpad laptop. i'm copying 3 files from the ibm thinkpap (notepad) to the square 1.44 mb diskette. no problem, the 3 files were copied to the diskette.
    ​I turn on the brother dp 540cj, select file manager, insert the square diskette. the brother dp 540cj open only the file names on the disk. I try to open word text on either of the 3 files on the disk and the brother dp 540cj don't open the word text in any of the 3 files. I have been trying for several days to open the word text on the files using the brother dp 540cj and don't have any further instructio​ns for this problem. I tried saving the file names to all coding - Unicode, ansi utf-8 and can't fix the electronic problem.
    m​y email address is snowwash@j​