Video Part-1 - LG LRM-519 Service Manual

3. VIDEO PART-1

No display
YES
NO
IC501(53-pin)
'3.3V'= high OK
YES
NO
IC501(63-pin)
27MHz clock in OK
YES
NO
IC501(51,54-pin)
Clock in OK
YES
NO
IC501(44,45-pin)
I2C BUS OK
YES
NO
IC501(56-pin)
Clock out OK
YES
NO
R521 ~ R524, L500
~ L503 Soldering OK
YES
NO
C544 ~ C547,C560 ~
C563 Soldering OK
YES
Video Part OK
NO
IC302(73-pin)
'3.3V'=high OK
YES
R373 Re-soldering
NO
OSC500(3-pin)
27MHz clock out OK
YES
R508 Re-soldering
IC103 check
NO
Q504,Q505, R532 ~
R535 soldering OK
YES
IC103 check
IC501 change
Re-soldering
Re-soldering
3-5
IC302 change
OSC500 change
Re-soldering