Checking Flow
START
Does Speaker work Properly?
NO
Signal from U305,U306 pin1
SETTING : “Ringers” at Sounds menu
Check the contact of speaker or
Replace the speaker
Replace QSC6010 or board
NO
Yes
Yes
Check the signal
level at pin4 of
U305,U306
Re-soldering or
Replace the U305, U306
Speaker will work properly
Yes
NO
Z3X-BOX.COM
Summary of Contents for LG-UD6100
Page 25: ...Circuit Diagram Z 3 X B O X C O M ...
Page 40: ...Test Points Circuit Diagram 4 3 5 UIM Trouble CON301 3 0V 3 2 1 Z 3 X B O X C O M ...
Page 46: ...Test points Circuit Diagram 4 3 8 MIC Trouble R371 C327 M301 MIC Z 3 X B O X C O M ...
Page 55: ...BACK_END_CLOCK M_CLOCK P_CLOCK VS DATA 0 Camera Locking Error Z 3 X B O X C O M ...
Page 62: ...Z 3 X B O X C O M 0 Ohm Pad 0 Ohm Pad DNI DNI ...
Page 63: ...Z 3 X B O X C O M 0 Ohm Pad 0 Ohm Pad DNI DNI ...
Page 64: ...Z 3 X B O X C O M ...
Page 65: ...Z 3 X B O X C O M ...
Page 66: ...Z 3 X B O X C O M ...