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The ervice manual for my 1982 Kenwood KR-1000 receiver is great! Full detail on all circuits with part number detail. I will definately be ordering more manuals for my other vintage equipment! Order was fulfilled quickly! Very efficient ordering process! Thnaks for your help! Great site!
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Everything in the manual was excellent except for a couple of pictures of specific areas in the unit that were a little dark. Owners Manuals re-sent the pdf file & the problem was corrected. Excellent product! George
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Thanks for offering this item at such a good price. Proved handy in identifying the part I was looking for my set.
Thanks again.
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This is the original manufacturers service manual, with detailed info on the circit boards, explosion drawings of all parts in assembly order, and tuning instructions. The only thing missing is the information on the dimensions of the various drive belts. mail me if you need them. gcrossman_at_aol.com
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Ordered service manuel for a hard to find plasma tv - your company made it easy to find and purchase - I will use you again
Thanks for your help
VERTÄ°CAL DEFLECTION CIRCUIT DEFECTS
There is a horizontal line on the screen
Check 16 VDC at pin 3 of IC501.
NO
Check and replace R127 (at pin 20 of IC101), C126 (at pin 21 of IC101), R526, D513, C527, R521.
YES
Check 35 VDC at pin 6 of IC501.
NO
Flyback lines are visible. Check and replace R527, D512, C526, R522, C517.
YES
Check 2.2 VDC at pin 1 of IC501.
NO
If R122 is open IC501 becomes defective and 16 VDC components fail. Check them before replacing IC501.
YES
Check 2.2 VDC at pin 2 of IC501.
NO
Lower half of the screen is black. Check and replace R123 and IC101.
YES NO
Check 7.4 VDC at pin 7 of IC501. Check 7.2 VDC at pin 4 of IC501.
A Horizontal line is visible. Check and replace R518, R519 and IC501.
YES
Replace IC501
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