3B
System part OK
Check IC204,IC207,IC201,
IC202 and SMPS.
Proper display
cable connect
Replace X501.
“LG Logo”
display on monitor
OK?
“LG Logo”
display on monitor
OK?
3A
IC501,
Vcc 1.2V,3.3V,1,1V
1.5V OK?
Display
cable connection
OK?
X501
27.000 MHz
OK?
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Check IC202
and SMPS.
Replace IC603
(NAND flash).
Replace IC501 MT8550L BAG
or IC601, IC602.
IC601,
IC602 Vcc
1.5V OK?
Signal
NF_ALE, NF_CLE
OK?
NO
NO
YES
YES
3-49
ELECTRICAL TROUBLESHOOTING GUIDE
Summary of Contents for BD530
Page 11: ...MEMO 1 10 ...
Page 70: ...1 SYSTEM PART 1 1 IC501 IC501 MT8550L BAG XTAL 27 MHz 1 3 55 WAVEFORMS ...
Page 71: ...2 SYSTEM PART 2 SYSTEM MEMORY BA0 2 DWE 3 DCAS 4 DCK 5 IC601 IC602 2 5 4 3 3 56 ...
Page 72: ...3 VIDEO PART 100 FULL COLOR BAR CVBS 6 COMP_Y 7 COMP_Pb 8 COMP_Pr 9 6 7 8 9 3 57 ...
Page 73: ...4 AUDIO PART S PDIF MT8550_AUDIO_S PDIF 10 10 3 58 ...
Page 74: ...5 HDMI PART H_SDA 11 H_SCL 12 HDMI_CLK_N 13 HDMI_0_N 14 11 12 13 14 3 59 ...
Page 75: ...MEMO 3 60 ...
Page 77: ...3 62 1 2 3 4 5 ...
Page 92: ...3 85 3 86 2 SMPS P C BOARD TOP VIEW 7 6 5 4 3 2 1 A B C D E F G H I J ...
Page 105: ...4 12 2 IC704 R2A30209SP W02Z SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...
Page 109: ...4 16 MEMO ...