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let's say first that i do not need to have a credit for my opinion, i am a retired sparkie and i voluteerd to fix an electronic device for a local "Youthgroup",as no diagram was present i checked the "net" and gambled on this site and paying some fee via PayPall, i was gladly surprised that the manual arrived as was stated, GOOD SHOW, and best wishes, John
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I had been looking for a Manual for my CS2150 for quite a while -- in fact I had just about given up. I saw this site and decided to download the Manual. When I Received it by Email I was really pleased with what I got, with the result that My Kenwood 'Scope is now 100% repaired and working well. As an AV Serviceman, you need a good 'scope, and thanks to this site, and the Service Manual, I have been able to repair it. The Manual was a copy of the Factory Original and the copy was very clear, especially in the area of the Circuit Schematics, where You really need to be sure of what You are looking at.
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I recently purchased a manual for a Samsung DLP tv to help with a trouble shooting problem I was having. Every tv repair shop wanted close to $400.00 for the fix, but after I found Owner-Manuals.com I hit pay dirt. The manual they had for me to purchase and download was a complete service manual for the exact tv I needed. It was complete with wiring diagrams, schematics, and even part numbers. If your the fix it yourself type I highly recommend trying to find any manual here before paying someone else to fix whatever problem your having.
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Once again, excellent price and manual delivered in a timely manner and as advertised!
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Outstanding quality manual. This is the exact documentation I needed to service my AKAI GX-210D. This is a PERFECT COPY of the service manual for my machine. Outstanding service. Thank-you!
TH-K2AT/K2E/K2ET
DISASSEMBLY FOR REPAIR
Soldering the antenna terminal
1. With the shield cover removed from the antenna terminal section, install two screws on the PC board and bring the PC board into contact with the chassis (z). 2. Solder the antenna terminal with a soldering iron (x). 4. Apply the tips of soldering irons to all the four pins of the final FET at the same time (c), heat them sufficiently, and remove the final FET (v). (Two persons should be required to do this.)
x z
v
c
5. Remove all PC boards from the chassis. 6. Confirm that there is no space between the radiation plate installed on the foil side of the TX-RX PC board (TX-RX unit A/3) and the PC board (b). If there is any space between the radiation plate and PC board, eliminate it by applying the tip of the soldering iron to the radiation plate. 3. Remove the two screws installed in step 1 above, and install the two screws again on the PC board together with the shield cover (c).
b
Radiation plate
c
TX-RX PC board 7. Apply the tip of the soldering iron to the installation side of the radiation plate of the TX-RX PC board, put a little amount of solder to the radiation plate that is seen through a square hole in the final FET installation section and melt the solder (n). 8. When the solder in step 7 is melted, place the final FET on the PC board by aligning it with the silk of the final FET installation section of the PC board (m).
Replacing the final FET (Q12)
1. Remove the two screws holding the shield cover of the final FET section (z). 2. Remove solder from the shield cover completely with a solder absorber. (E and E3 types only) 3. Remove the shield cover (x).
m n
z x
9. Release the soldering iron and confirm that the final FET and radiation plate have been soldered. 10. Solder the four pins of the final FET with the soldering iron. 11. Install all the PC boards. 12. Reinstall the shield cover removed in step 3 above in its original position and install two screws. 13. Solder the shield cover to the PC board. (E and E3 types only) 14. Install the chassis on the case assembly and assemble them. 15. Readjust transmission power. Note: Since the FET is sensitive to static electricity, always wear a grounding band. Use a highly insulated ceramic heater solder iron.
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