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Velleman
17
HPS40 Technical Doc
Press RIGHT ARROW KEY,
STEP 6, 0.5V/div test
Connect the (x1) probe with a
0.7Vdc supply
No adjustment, if fail, check cir-
cuit round IC1, IC9, IC10
Press RIGHT ARROW KEY,
STEP 7, 0.1V/div test
Connect the (x1) probe with a
0.17Vdc (170mV) supply
No adjustment, if fail, check cir-
cuit round IC1, IC9, IC10
Press RIGHT ARROW KEY,
STEP 8, 50mV/div test
Connect the (x1) probe with a
0.17Vdc (170mV) supply
No adjustment, if fail, check cir-
cuit round IC1, IC9, IC10
Press RIGHT ARROW KEY,
STEP 9, 2V/div test
Connect the (x1) probe with a
3.4Vdc supply
No adjustment, if fail, check
circuit round IC1, IC9, IC10