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There are currently no product reviews.
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Good quality, the manual help me to repair the echo/reverb section
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A good service manual with lots of info and a very fair price
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Great value, good scan, just as expected, everything that you need.
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Good scan, great price, but almost the same with the SV260 service manual.
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This PDF is very comprehensive. It includes drawings, parts lists, schematics, pictures, PCB drawings, mechanical layouts, etc. for all three stackable equipment. The scans are good too. Easy to read and no smudges or black lines. I have no complaints. I will make this site my first stop for finding my service manuals.
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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