126 BDL6531E LCD
Repair Flow Chart
RS232 link fail
Check U28 pin20 is high?
Check signal MCU_RX and
MCU_TX is normal
Check J22 pin RX and TX
is normal ?
No
Check U28 pin19 is high?
Yes
No
Yes
No
No
1. Check RS232 cable (pin2/pin3 is cross type
or normal type)
2. Cross type must plug in to substratum of J22
3. Normal type must plug in to upper stratum of
J22
Check control pin RS232_SHDN status (default
high)
1. Check control pin RS232_TXEN status
(default high)
2. Check R213 or R214 is mouted?
1. Check U28 soldering or to change a new
chip
Yes
Summary of Contents for BDL6531E/00
Page 34: ...34 BDL6531E LCD DDC Instructions Serial Number Definition ...
Page 43: ...BDL6531E LCD 43 Block Diagram ...
Page 44: ...44 BDL6531E LCD Block Diagram ...
Page 52: ...Scalar Diagram C B A 52 BDL6531E LCD ...
Page 53: ...Scalar Diagram C B A BDL6531E LCD 53 ...
Page 54: ...54 BDL6531E LCD Power Diagram C B A ...
Page 55: ...BDL6531E LCD 55 Power Diagram C B A ...
Page 56: ...56 BDL6531E LCD Power Diagram C B A ...
Page 58: ...Control Diagram C B A 58 BDL6531E LCD ...
Page 73: ...BDL6531E LCD 73 General Product Specification ...
Page 74: ...74 BDL6531E LCD General Product Specification ...
Page 77: ...BDL6531E LCD 77 General Product Specification SCREEN MENU ...
Page 78: ...78 BDL6531E LCD General Product Specification ...
Page 79: ...BDL6531E LCD 79 General Product Specification AUDIO MENU ...
Page 80: ...80 BDL6531E LCD General Product Specification PIP PICTURE IN PICTURE MENU ...
Page 81: ...BDL6531E LCD 81 General Product Specification CONFIGURATION 1 MENU ...
Page 82: ...82 BDL6531E LCD General Product Specification ...
Page 83: ...BDL6531E LCD 83 General Product Specification CONFIGURATION 2 MENU ...
Page 84: ...84 BDL6531E LCD General Product Specification ADVANCED OPTION MENU ...
Page 85: ...BDL6531E LCD 85 General Product Specification ...
Page 86: ...86 BDL6531E LCD General Product Specification ...
Page 87: ...BDL6531E LCD 87 General Product Specification ...
Page 88: ...88 BDL6531E LCD General Product Specification ...
Page 98: ...98 BDL6531E LCD General Product Specification 7 3 Location of Philips Logo ...