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There are currently no product reviews.
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Great scanned service manual
Usefull informations.
I will buy again!
Best Regards
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The manual describes this product very good. It has the basic things to know and also a more detailed look. Very well made!
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An excellent document to assist in the repair of my old personal tape player. It includes full circuit diagrams and physical layout drawings and full instructions on disassembly and fault finding.
Well worth the meagre price.
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Very good conversation, Pretty fast Service, wood do it again,
Have paid by Paypal, so i got the Service Manual online after 15 Min.
Very helpfully.
Greeting from Germany,
Hans
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Good-quality scans. Detailed description. I hope I can repair the machine.
FIRMWARE RENEWAL MODE
1. Turn the power on and press [EJECT] button on the remote control unit to put the LCD TV/DVD into DVD mode. Then remove the disc. 2. To put the LCD TV/DVD into F/W version up mode, press [9], [8], [7], [6], and [SEARCH MODE] buttons on the remote control unit in that order. Fig. a appears on the screen.
"*******" differs depending on the models.
5. After programming is finished, the disc will be ejected automatically. Fig. e appears on the screen and the checksum will be shown in (*2).
"*******" differ depending on the models.
F/W Version Up Mode VERSION : Completed (*2) SUM : 7ABC
Model No : ******* VERSION : *.** ************.ab7
F/W Version Up Mode
Model No : ******* VERSION : *.**
Please insert a DISC for F/W Version Up.
Fig. e Completed Program Mode Screen
EXIT: SELECT
Fig. a Version Up Mode Screen
6. 7. 8. 9.
3. Insert the disc for version up into the disc slot. 4. The LCD TV/DVD enters the F/W version up mode automatically. Fig. c appears on the screen. If you enter the F/W for different models, �Disc Error� will appear on the screen, then the disc will be ejected automatically.
"*******" differ depending on the models.
At this time, no button is available. Remove the disc. Press [CH. o / p] button on the unit to go to TV mode, or press [POWER] button on the unit to turn the power off. Press [EJECT] button on the remote control unit to put the LCD TV/DVD into DVD mode again. Press [1], [2], [3], [4], and [DISPLAY] buttons on the remote control unit in that order. Fig. g appears on the screen.
"*******" differs depending on the models.
F/W Version Up Mode VERSION : Reading...
Model No : ******* VERSION : *.** ************.ab7
(*1)
MODEL : ******* Version : *.** Region : *
EEPROM CLEAR : CLEAR
EXIT: SELECT
Fig. c Programming Mode Screen
Fig. g
The appearance shown in (*1) of Fig. c is described as follows:
No. 1 2 3 Appearance Reading... Erasing... State Sending files into the memory Erasing previous version data
10.Press [CLEAR] button on the remote control unit. Fig. h appears on the screen.
"*******" differs depending on the models.
Programming... Writing new version data
MODEL : ******* Version : *.** Region : * EEPROM CLEAR : OK
EEPROM CLEAR : CLEAR
EXIT: SELECT
Fig. h
When �OK� appears on the screen, the factory default will be set. Then the firmware renewal mode is complete. 11.To exit this mode, press [CH. o / p] or [SELECT] button to go to TV mode, or press [POWER] button to turn the power off.
8-1
L2550FW
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