System Circuit Diagram - LG GoldStar DVD5185 Service Manual

3. SYSTEM CIRCUIT DIAGRAM

EEPROM(2K)
Data in setup Menu
Not used
1.8V Regulator
Logo Picture will not display
Optical/coaxial out
CVBS
Y/C(S-Video)
Y/Pb/Pr(Component Video)
System CLK X-TAL(13.5MHz)
Initial Function is abnormal
frequency is defined
CPLD IC Flash ROM
Initial Function Logo Picture will
not display
Tray open/close
P/up will not move
Tray open/close
Video Signal output
current Register
SDRM
Logo Picture
will not display
MPEG IC
1. Initial Function
2. VIDEO output
3. Audio output
Level shift
Initial Function will
be abnormal
Not used
3-24 3-25
Video buffer
Logo Picture will not display
Audio Analog to Digital convertor
Mic Audio will not output
Digitron Display will
be abnormal
Main Reset from
Front µ-com
'02. 12. 20
R10723A