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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
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Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
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I will definitely be back for more information when I need it.
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The service manual when downloaded and printed out was clear and easy to read. I would have liked to have been able to enlarge some details, but this was not possible as the file permissions did not allow this. The service was very good. The time taken from placing my order to downloading the document was only a few minutes.
AV28CH1EUS AV28CH1EUB
REMOVING THE CRT
� Replacement of the CRT should be performed by 2 or more pers ons. � After removing the c over, chassis etc., 1. Putting the CRT c hange table on soft cloth, the CRT change table should also be c overed with s uch soft cloth (shown in Fig.3). 2. While keeping the s urfac e of CRT down, mount the TV s et on the CRT change table balanced will as shown in Fig.4. 3. Remove 4 sc rews marked by arrows with a box type screw driver as s hown in Fig.4. � Sinc e the cabinet will drop when screws have been removed, be sure to support the cabinet with hands. 4. After 4 screws have been removed, put the cabinet slowly on cloth (At this time, be carefully so as not to damage the front surfac e of the c abinet) shown in Fig.5. � The CRT should be ass embled according to the opposite sequence of its dismounting steps. � The CRT change table should preferably be smaller that the CRT surfac e, and its height be about 35c m. CRT CHANGE TABLE BOX TYPE SCREW DRIVER CRT CHANGE TABLE
APPROX. 35cm
CLOTH
Fig. 3
CRT
COATING OF SILICON GREASE FOR ELECTRICAL INSULATION ON THE CRT ANODE CAP SECTION.
� Subsequent to replac ement of the CRT and HV transformer or repair of the anode cap, etc. by dis mounting them, be sure to coat silicon grease for electrical insulation as shown in Fig.6. Wipe around the anode button with clean and dry cloth. (Fig.6) Coat silic on greas e on the section around the anode button. At this time, take c are so that any silicon greas es dose not stic k to the anode button. (Fig.7) � Silicon grease product No. KS - 650N
Fig. 4
CRT
CABINET
CRT CHANGE TABLE
Fig. 5
CRT
Anode button
Approx. 20mm (Do not coat grease on this s ection
Silic on greas e should be coated by 5mm or more from the outs ide diameter of anode c ap.
Silic on greas e coating
Anode button (No sticking of silicon grease)
Coating position of silicon grease
Anode cap
Fig. 6
Fig. 7
8
No. 51944
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