Focus Actuator Operating Is Abnormal - LG HB954TB Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE

6. FOCUS ACTUATOR OPERATING IS ABNORMAL

Focus actuator operating is abnormal.
Is there focus
search control signal input?
(LIC201 Pin40)
Is there
focus search drive voltage output?
(LIC201 Pin34,35)
Check the connection
LCN700 Pin1,2.
Replace the traverse assembly.
(Pick-up)
YES
YES
OK
NO
• Check the connection of LIC501 Pin54.
• Replace the LIC501.
NO
Check the LIC201
NG
Check the signal pattern and application
components
4-7