Samsung CKF5607L Service Manual page 35

7 Troubleshooting
7-11 User Controls Don't Work
Does the DC level change at Pins
No
Check the buttons.
13 and 14 of IC201 when you push
(SW1 ~ SW6)
the front panel button?
Yes
Check IC202, Q202 and
RESET circuit.
CKF5607L 7-9