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A 24C01 serial EEPROM Panasonic DVD machine (A100, A300), the second generation of the machine with X25C02 as the code identification, trying not to let CPU read data in EEPROM can be, the specific method is to disconnect from the IC 5, pin 6. The third generation machine (A160/A360/A560 and 890/880) need to rewrite the 25020 chip, the original data address 04H "20" to "01", "75" to "18" can be turned into 1 machine in 4EH; the "75" to "28" will become R1 free, into the machine the. Switching to achieve code using the original two EEPROM chips, one as the 6 District, another as "area 1" (R1 Free), put the other foot the two chip are connected in one piece, two eighth foot received a three line switch, intermediate power supply pin, use manual switching code.GU8service manual download site
Panasonic DVD-A300MU, IC6041 5 feet out from the circuit board.
Malata N996 machine is holding the remote control "clear" button to Malata trademark screen disappeared, then there are two ways: by 1, 1, 3 keys, and then press the "OK", click the "clear" to Malata trademark display (at a time of about 5 seconds), shut down after the need to reset. 2: according to the 1 zone 1 zone 2 machine, 2 machine...... According to the "clear" button, a minute.
Philips DVD701 according to special remote control "CD" key, then press "-", the DVD display"......" Using random remote control, press "222222005255", then press "PLAY" button.
CD drive.
Creative, pioneer, SONY, Acer brands such as DVD drive are locked into six area codes, generally speaking, these drives can change the five area code, later changed five times, will be locked for the last time to change the code, then you cannot change. And Onda, jaws, Apache, Xiongbing, AOMG brand drive without locking code. Their general practice is to drive the front panel, press the play button for four seconds to become the region code CD-ROM.
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