Checks For Electric/Electronic Parts - KERN EW Service Manual

3.4 Checks For Electric/Electronic Parts

-AJDP Circuit board-
Checks for electric/electronic parts are to be carried out on back of AJDP board after
removing the upper case, at test Points and Pins of CN1, CN4, TP4 and TP6.
1. Check of input voltage
TP0 -
2. Power voltage in the circuit
TP0 -
3. Check of signal waves (1)
TP0 - TP6
4. Check of signal waves (2)
TP0 - TP4
of CN1 •••••• +8V ~ +12V
(1)
of CN4 •••••• +4,75V ~ +5,25V
(2)
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