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This manual is accurate and of high quality. It is only volume 2 of the service manual. This is schematic, parts lists, and exploded mechanical drawings. The theory of operation and the diss-assembly instructions are in volume 1. The unit can be tricky to dis-assemble portions of so the volume 1 manual can be important. The product description of the manual is accurate but it does not say anything about volume 1 and the image of the front page does clearly say Volume 2.
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Wellll again thank you very much fast and effective. Clear and well done for such an old TV!!!!
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It has all the information you will need to fix it. The main circuit diagram is only A4 but being a PDF, you can print it to any size - I did it on two sheets of A3 and it didnt lose any detail - just made it readable when pinned up above the bench. I've found the fault, just need to buy some obscure bits to get it going again!
I cant fault the process, I paid for the manual in the morning and it was ready to download by lunch time.
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Very good copy in a 54 pages PDF archive. This is my sixth purchase here. :)
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Another excellent buy! File too clear and explanatory.
Alignment and Adjustments
5-5 Service Mode Adjustments
5-5-1 LCD Interface IC (CXA1853) Adjustment Values to be adjusted for each set
No. 0 1 2 3 4 5 6 Item main bright R main bright B main bright gamma gain1 R gamma gain1 B gamma gain1 gamma ctrl1 Range 63 63 63 63 63 63 63 Initial value 34 36 36 42 36 36 40 Description Adjusts for DC level of R,G,B signal before doing the gamma adjustment. The greater the value, the darker it gets Adjusts for DC level of R signal before doing the gamma adjustment. The greater the value, the darker it gets Adjusts for DC level of B signal before doing the gamma adjustment. The greater the value, the darker it gets Adjusts the gain of black side on the gamma curve (R,G,B) Adjusts the gain of black side on the gamma curve for R Adjusts the gain of black side on the gamma curve for B Adjusts the change point of the black side on the gamma curved line of R,G,B signal. The greater the value, the more the point moves towards black Adjusts the change point of the black side on the gamma curve for R. The greater the value, the more the point moves towards black Adjusts the change point of the black side on the gamma curve for B. The greater the value, the more the point moves towards black Adjusts the gain of white side on the gamma curve (R,G,B) reserved for R gamma gain2 (not used) Adjusts the gain of white side on the gamma curve B Adjusts the change point of the white side on the gamma curved line of R,G,B signal. The smaller the value, the more the point moves towards white reserved for R gamma ctrl2 (not used) reserver for B gamma ctrl2 (not used) Adjusts the gain of R,G,B voltage (applied to LCD) Adjusts the gain of R voltage (applied to LCD) Adjusts the gain of B voltage (applied to LCD) Adjustment for the brightness of R,G,B after doing the gamma adjustment. No change on the gamma curve. The greater the value, the darker it gets Adjustment for the brightness of R after doing the gamma adjustment. The greater the value, the darker it gets Adjustment for the brightness of B after doing the gamma adjustment. The greater the value, the darker it gets
7
R gamma ctrl1
63
36
8 9 10 11 12
B gamma ctrl1 gamma gain2 reserved B gamma gain2 gamma ctrl2
63 63 63 63 63
36 16 36 36 34
13 14 15 16 17 18
reserved reserved sub contrast R sub contrast B sub contrast sub bright
63 63 63 63 63 63
36 36 40 37 42 30
19 20
R sub bright B sub bright
63 63
34 37
5-4
Samsung Electronics
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