Daewoo HC-4130X - Page 15

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6. Trouble Shooting Guide
Check if
pwr_on of
IC208 is high?
No
Yes
Check I2C Line
of IC504.
Yes
Check interface
of VFD Driver
Yes
No
No
Check Devices connected I2C
Line.
IC201, IC401, IC408.
Check VFD Data Interface.
VFD_DATA/CLK.
Replace Front PCB Ass’y.
Check interface
of SDRAM
No
Check CLK of SDRAM.
Replace Flash Memory.
1
Check if display
of Logo on TV?
No
Check Connection between
Main and Mechanism.
Replace DVD Mechanism.
Yes
Yes
2
Check if protect
of IC207 is
high?
Yes
Check Protect Sencin
g
Circuit. IC206.
No
Front Circuit