No 5 V
Check voltage on IC501.
Check soldering
connector CN301.
Replace IC104.
Check 5.3 VA on SMPS.
Is there
3.3 V at IC104
pin4?
Check
signal IC104
pin?
NO
NO
YES
YES
YES
YES
Is the
Vcc 5.3 VA supplied to IC104
pin2, 3?
NO
No 12 VA
Check or replace
D126 & D130.
Check or replace C123.
Check soldering
connector CN301.
Check SMPS primer side.
Is the
D126 & D130 output
12 VA?
D126 & D130 OK?
C123 OK?
NO
NO
YES
YES
YES
YES
YES
Is the Vcc
supplied to D126 & D130
anode?
NO
3-45
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 ...