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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
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It was just what I need to fix my old BMW's CD player. Very convenient also. Thank you.
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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
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Good pdf of the service manual for this unit. Includes disassembly instructions, full schematics, board layouts, parts lists and diagnostic information. Some information is in the pdf twice (single pages, and split pages), but that could be how it was originally generated by panasonic, or perhaps the idea is to make it eaiser to put onto 8.5 x 11" pages.
Information was exactly what I needed. Delivery was overnight (less than 12 hours) and I was happy with the process.
AV-28R370KE AV-28T67SKE AV-28T35SPE 3.6.6 DEFLECTION CIRCUIT ADJUSTMENT (1) The deflection adjustment using the remote control unit is made on the basis of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values. (2) There are 12 kinds of adjustment modes with the combination of vertical frequency and zoom mode. � Vertical frequency : 50Hz, 60Hz. � Screen zoom mode : PANORAMIC, REGULAR, 14:9 ZOOM, 16:9 ZOOM, 16:9 SUB TITLE, FULL a) At first, the adjustment in 50Hz-PANORAMIC mode should be done. Then the adjustment for the other zoom mode is corrected in the respective value at the same time. b) However, if the picture quality has not been optimized, adjust each zoom mode again, respectively. c) Then confirm the initial setting value of 60Hz-PANORAMIC mode. If adjustment in 50Hz each zoom mode has been done in very high accuracy, the adjustment for the same zoom mode in 60Hz is corrected in the respective value. Adjustment is completed at this time. d) If the picture quality in 60Hz has not been optimized, adjust each zoom mode again in 60Hz, respectively. In this case, only 60Hz each zoom mode is corrected. Item V.POSITION Measuring instrument Signal generator Remote control unit Test point Adjustment part [4.DEF] 1. V- SHIFT Description � First of all, perform the adjustment in the 50Hz PANORAMIC mode. � Set the ZOOM to PANORAMIC. (1) (2) (3) (4)
A
Receive the circle pattern signal. Select 4.DEF. Select <1.V-SHIFT>. Adjust <1.V-SHIFT> to become A = B as shown in figure. (5) Press the [OK] key and memorize the set value. NOTE : adjust by <11. V-LIN> after mentioned. And store the get value.
B
V.SIZE
Signal generator Remote control unit
[4.DEF] 2. V-SIZE 3. SUBTITLE
(1) (2) (3) (4) (5) (6) (7)
Screen size
Picture size 100%
(8)
Receive the crosshatch signal. Select 4.DEF. Select <2.V-SIZE> and set the initial setting value. Adjust <2.V-SIZE> and adjust the vertical screen size is in the table given below. Press the [OK] key and memorize the set value. Select <3.SUBTITLE> and adjust the vertical picture size of screen bottom. Input the NTSC VIDEO signal (60Hz) from the EXT terminal, and adjust that vertical screen size is in the range of the table given below. Press the [OK] key and memorize the set value.
ASPECT MODE SCREEN TOP SCREEN BOTTOM
PANORAMIC
14 : 9 ZOOM
16 : 9 ZOOM
SUB TITLE
FULL
REGULAR
87% 87%
80% 80%
73% 73%
70% 83%
92% 92%
92% 92%
1-30 (No.52116)
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