Read Sony KDL-32W4000 / KDL-40W4000 / KDL-46W4000 / KDL-52W4000 (serv.man2) Service Manual online
KDL-32/40/46/52W4000 (AUS, NZ) 2-6
2-2-2. POWER_DET (RED 2 times blink)
• This indicates DC_DET of Power Board
1)
.
• 12V line on Power Board
1)
.
• VERD micro (on BA1 board) Pin6 detects POWER_DET and shuts down chassis power to standby
status.
VERD micro Pin6 Normal condition: 1.3V - 2.5V
Error case: lower than 1.3V or higher than 2.5V
– Replace Power Board
1)
.
1) 40", 46" : IP5 BOARD
52" : G5
BOARD
2-2-3. Back light Error (RED 6 times blink)
• This indicates panel power circuit error such as inverter.
• VERD micro (on BA! board) Pin40 detects PANEL_DET and shuts down chassis power to
standby status.
VERD micro Pin40 Normal condition: High / Error case: Low (lower than 0.8V)
– Replace Panel or Power
1)
/Inverter Board
.
1) 40", 46" : IP5 BOARD
52" : G5
BOARD
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