fighting with a HP41c

[aurelio]

(01-02-2017 06:24 PM)Raymond Del Tondo Wrote:  Normally there is no need to actually disassemble/dismantle the LCD, however the solder joints between the LCD and the keyboard pcb should be checked first.

Thank-you Raymond, I've checked it with a multimeter and does not seem to be an interruption between the PCB and the contact strips

(01-02-2017 06:24 PM)Raymond Del Tondo Wrote:  And if it still doen't work, check and maybe replace the zebra strip between the CPU and keyboard pcbs, which is another common source of malicious contacts.

checked as I wrote (the first test actually I did) and it isn't

(01-02-2017 06:24 PM)Raymond Del Tondo Wrote:  If it doesn't work after all this, maybe the LCD is defective;-)

...aaaaarghhhhhhhhhhhhhhh