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The service manual was a copy of the original from Wirlpool. The quality was good, all neccecary information was available including the service-codenumbers, so I could order the right part to be replaced for repair.
Downloding was no probem after the payment.
Thanks for the service!
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Good,readable manual. I found other manuals that were not readable when it came to part ID, but the one downloaded from owner-manual.com was better than expected. I will do buisness with owner-manual.com again.
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Service Manual that I received was very helpful to me. Thank you.
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The manual is well organized and is easy to read. The chapters are following normal way to proceed.
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This scanned manual is well done in that most all the pages except for one is straight and clear- the way I would do them. One page was upside down but that happens. For the money that is charged on this site you get a pretty good deal. Now with complex repairs, I still prefer to us paper manuals which I have to buy at stereomanuals but the one I got here was much less than the $45 he was charging but this is a larger than normal manual for three different units. I am a picky manual user because I have used original manuals from Sony and Teac.
H � Size, E/W correction
Receive test signal, adjust R425 to make Horizontal size right, and adjust R426 to make E/W correction right.
V-amplitude¡¢ linearity ¡¢ S-correction¡¢ center adjustment
1) Receive test signal, enter into the V.POSI item, adjust the value to make V -center and the CRT's geometric center is in accordance. Enter into the V.SIZE item, adjust the value to make the overscan is ¡� 10%, enter into the V.COMP item, adjust the value to 7. 2) Receive test signal, enter into the V.LINE item, adjust the value to make the upper and lower grid� (on the screen) vertical distance equal. Enter into the V.SC item, adjust the value to make s the vertical distance from upper grid to middle screen is equal to the vertical distance from lower grid to middle screen. 3) Repeat the above steps 1) & 2) to make the V -center¡¢ V-amplitude¡¢ V-linearity at the optimum mode.
White balance¡¢ screen ¡¢ sub-brightness adjustment
A. Dark balance¡¢ screen ¡¢ sub-brightness adjustment 1) Receive test signal, adjust the TEST MODE menu's G.BIAS¡¢ B.BIAS to 0, SUB BRIGHT to 64, BLACK STR=0, BLUE GAMMA=2, R/G GAMMA=0. Adjust the analog of brightness¡¢ contrast¡¢ color in the picture menu to 0. 2) Connect the Oscilloscope's probe to R gun on the CRT board, adjust the R.BIAS & SUB BRIGHT in the TEST MODE menu to make the R signal's cut-off level as 180V. 3) Receive a station which has no signal, turn the SCREEN potentiometer on the FBT counterclockwise to minimum, adjust the V.KILL in the factory menu to 1. 4) Adjust the SCREEN potentiameter clockwise until a slight bright horizontal line appears on the screen. 5) Press the VOL¡ø button, set V.KILL=0 to make vertical circuit works normal. /ª¢ 6) Respectively adjust G.BIAS & B.BIAS until X=0.281, Y=0.311 (9300¡ã K+27). B. Bright balance adjustment 1) Receive more than 60dB¦� signal. 2) Set the brightness¡¢ contrast to maximum, color to minimum, adjust R.DRIVE¡¢ G.DRIVE¡¢ B.DRIVE to obtain even white balance. C. White balance check and re-alignment Since the adjustment of the bright & dark balance affects each other, please check and adjust the bright & dark balance according to the above steps A¡¢ repeatedly until even white balance can be B obtained when the contrast control changes from minimum to maximum. The TEST MODE menu's SIGNAL item can be used to check. Note: SIGNAL = 0 normal SIGNAL = 1 100% BLACK LEVEL SIGNAL = 2 100% WHITE LEVEL SIGNAL = 3 60% WHITE LEVEL
-6-
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