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Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this tuner.
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I have this hi-fi system for a long time and I need to repair some things. Founding this manual will be very helpfull :)
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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.
HOW TO LOAD SOFTWARE FOR MPEG P.W.BOARD
a. Push the power button to ON. b. Push the OPEN/CLOSE button to open the tray. c. Place the CD-R disc into the tray for updating. Then push the OPEN/CLOSE button to close the tray. (Do not press PLAY key.) If tray is done in close excluding OPEN/CLOSE key. It does not become update mode. d. The under mentioned display appears to the screen READING doing and about 6 seconds later. Display on "FL" UPDATE DSC Display on screen. It is not possible to discontinue on the way when Update begins. Detect firm update disc to start updating : press PLAY key. to quit : press OPEN key. f. After 40 seconds, the picture will become off. Then STANDBY LED light. Update complete. POWER key press and OPEN/ CLOSE key press and take out the CD-R. g. Execute initializing. h. Using remocon, press on SET UP , Parental , 460076 , ENTER and SET UP. i. Initializing of SET UP complete.
Version US UK,XE CA,SS SS AU,SS SS CD-R part code 0PRADD9606B1EE 0PRADD9606A29D 0PRADD9606A1EF 0PRADD9606A3ED 0PRADD9606A4ED 0PRADD9606A2EC Region No. 1 2 1 3 4 2 Description ENGLISH 9 LANG. English English English English
e. Press PLAY key then updating. Display on "FL" UPDATING Display on screen. Updating firmware -- Please wait Your player will restart automatically when complete.
Cancel is good at Update by pushing OPEN/CLOSE. After disk is inserted, keys other than OPEN/CLOSE key are disregarded.
Attention
1. Main power should not be cut off until the "STANDBY LED" lights up. 2. When the main power is cut off during installing, follow the procedure as below. A. When the main power is cut off before or after appearing the letters on the screen as mentioned at procedure #c, a. Plug out the power cord and plug it in again. b. Confirm that the "STANDBY LED" lights up. c. Push "OPEN/CLOSE" key. d. Carry out the rewriting procedure from procedure #b. B. When the main power is cut off within 9 seconds before completing the procedure #d, a. Plug out the power cord and plug it in again. b. Confirm that the "STANDBY LED" lights up. c. Push "OPEN/CLOSE" key. d. Carry out the rewriting procedure from procedure #b. In case the "STANDBY LED" does not light up even if the power cord is plugged out and in several times, the "FLUSH MEMORY" might get damaged. Please change the "FLUSH MEMORY" or the "MPEG PWB" and carry out the rewriting procedure from restart. - 38 3. When "READING" or "0:00" appears on the FL, a. Plug out the power cord and plug it in again. b. Confirm that the "STANDBY LED" lights up. c. Push "OPEN/CLOSE" key. e. Carry out the rewriting procedure from inspection #b.
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