Huvitz CRK-1, Руководство по обслуживанию, Страница: 77 / 88

76 Auto Ref/Keratometer CRK-1 ------------------------------------------------------------------------------------------------
6. Troubleshooting
Phenomenon 1: When Power is ON, there is no action
Phenomenon 2: LCD monitor display nothing (But other functions work)
Check whether power cable is inserted well
Volt age O
K?
Check fuse in the bottom side
Take off the head cover
1. Check whether the cable from SMPS to
Main Board is inserted well
2. Check the v12V) of connector b
y using DMM, CN1 Pin No.6
1. Take off the bottom case
2. Check whether the power voltage is
No
Yes
IS Voltage Correc
t?
Replace Mainboard

In this case, you should do model
eye setup process again
No
Yes
Replace SMPS
Check Replace Fuse