When you turn on your set, it will display “HELLO” on front panel, and it will not boot-
up normally.
3-10. Main board
3-10-1.
Solution
Replace main board.
3-10-2. How to troubleshoot (Countermeasure)
1) Please remove IC501 and IC601 ~ IC602, and then check the Impedance between each signal
(DATA, ADDRESS, and so on.)
2) If there is some Impedance (a few ohm or infinite ohm) especially power source trace,
PCB via might be broken. You’d better change main board.
3-10-3. Service hint (Any picture / Remark)
< Main board top view >
IC501
IC602
IC601
3-41
ONE POINT REPAIR INSTRUCTION
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 ...