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There are currently no product reviews.
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It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
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Very fast service, best quality of the service manual and the schematics
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This service manual of the old video cassette recorder VT-LC50EM is very good readable even the tiniest numbers (i.e. IC-pins). The circuits are very clear. Many details of the schematic are very good described but in GERMAN language. Many schematic details - but complete at all. Common background information of several details are enclosed and physical knowledge of the TFT liquid crystal display for example. The manual lacks PCB drawings. If you understand german I would recommend this manual for you.
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Hi, this is a very clear manual, nice copy, not quite up to the standard of the very best available but better than many others. I think the price was especially fair for a hard to find manual and I would certainly use this manual seller again. Recommended.
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This schema available for me in good condition. I would highly recommend.
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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