126
BDL5531EL LCD
Repair Flow Chart
Audio output is no sound
Check control pin
AUDIO_SW_SE1’ 2 operation
is normal
Check Audio board power 12V is
correctly?
To measure audio board U1
output waveform (1K Hz
sinewave)
Check mute pin
AUDIO_VOL_ON is high or low
Yes
Yes
To measure audio board U1
output waveform
Yes
Check GPIO control pin (R277, R278) status
Check GPIO control pin(R492) status
Check audio board U1 soldering or change
another chip
No
No
No
Check audio board U6 (Power AMP)
soldering or change another chip
No
Yes
Summary of Contents for BDL5531EL/00
Page 34: ...34 BDL5531EL LCD DDC Instructions Serial Number Definition ...
Page 43: ...BDL5531EL LCD 43 Block Diagram ...
Page 44: ...44 BDL5531EL LCD Block Diagram ...
Page 52: ...Scalar Diagram C B A 52 BDL5530EL LCD ...
Page 53: ...Scalar Diagram C B A BDL5531EL LCD 53 ...
Page 54: ...54 BDL5531EL LCD Power Diagram C B A ...
Page 55: ...BDL5531EL LCD 55 Power Diagram C B A ...
Page 56: ...56 BDL5531EL LCD Power Diagram C B A ...
Page 58: ...Control Diagram C B A 58 BDL5531EL LCD ...
Page 71: ...BDL5531EL LCD 71 General Product Specification ...
Page 73: ...BDL5531EL LCD 73 General Product Specification ...
Page 76: ...76 BDL5531EL LCD General Product Specification PICTURE MENU OVERVIEW ...
Page 77: ...BDL5531EL LCD 77 General Product Specification ...
Page 78: ...78 BDL5531EL LCD General Product Specification SCREEN MENU ...
Page 79: ...BDL5531EL LCD 79 General Product Specification ...
Page 80: ...80 BDL5531EL LCD General Product Specification AUDIO MENU ...
Page 82: ...82 BDL5531EL LCD General Product Specification CONFIGURATION 1 MENU ...
Page 83: ...BDL5531EL LCD 83 General Product Specification ...
Page 84: ...84 BDL5531EL LCD General Product Specification ...
Page 85: ...BDL5531EL LCD 85 General Product Specification CONFIGURATION 2 MENU ...
Page 86: ...86 BDL5531EL LCD General Product Specification ADVANCED OPTION MENU ...
Page 87: ...BDL5531EL LCD 87 General Product Specification ...
Page 88: ...88 BDL5531EL LCD General Product Specification ...
Page 98: ...98 BDL5531EL LCD General Product Specification ...
Page 99: ...BDL5531EL LCD 99 General Product Specification ...