68
IR do not response to
Remote Commander
Remote control battery
could be weak.
Change battery.
Center white LED lit up
when remote control is
pressed
Check whether center
white LED blink ,when using
commander near the sensor
windows
Harness on H-board
and B* Board
properly connected
Change
H-B* board Harness
H-B* board harness
issue
Harness
connection
issue
Change Smart Core
OK
Smart core issue
NG
OK
OK
NG
NG
NG
OK
OK
B*Board
Check parts value :
0 ohm < R1062 < 2 ohm
NG
Change B*Board
Muffin IC1000
problem
IR Muffin Pin (B*Board)
Check voltage (Power ON condition):
3.287V < Voltage < 3.55V?
OK
NG
B*Board
Check parts value :
95 ohm < R1124 < 105 ohm
NG
Parts Broken issue
NG
OK
OK
3-6. IR REMOTE COMMANDER MALFUNCTION
Troubleshooting
Summary of Contents for KDL-50W7 C Series
Page 2: ...LCD TV SERVICE MANUAL COMMON GN1G CHASSIS Segment XM A ...
Page 16: ...16 BMX Board PWB A side Detail 3 3V_MAIN C9005 PIN1 Q9002 ...
Page 28: ...28 Troubleshooting BMX B Side JL9008 3 2 5 LED BLINKING 6x Backlight Error ...
Page 43: ...43 Troubleshooting BMX Probing Points BMX B Side JL8401 PANEL_VCC ...
Page 44: ...44 Troubleshooting F8401 12V_REG BMX Probing Points BMX A Side ...
Page 45: ...45 Troubleshooting IC9013 Pin 4 BL_ON BMX Probing Points BMX A Side ...
Page 46: ...3 4 1 Video Analog Signal Path 46 ...
Page 49: ...49 C6302 R6069 R6303 BMX BOARD A Side Troubleshooting ...
Page 52: ...52 BMX BOARD A Side C6302 R6069 R6303 Troubleshooting ...
Page 54: ...54 BMX BOARD A Side R6016 R6015 C6004 R6001 C6005 R6002 Troubleshooting ...
Page 55: ...55 R6321 R6322 BMX BOARD A Side Troubleshooting ...
Page 57: ...CN5401 R5425 R5427 R5424 RB5405 RB5406 RB5407 RB5408 57 BMX A side HDMI1 Troubleshooting ...
Page 65: ...R5445 R5444 R5443 R5424 65 BMX A side Troubleshooting ...
Page 69: ...R1124 R1062 69 BMX A SIDE Voltage check IR Muffin Pin ...
Page 71: ...R1061 71 BMX A SIDE Voltage check Opt_Sensor Muffin Pin ...
Page 94: ...94 5 3 Connector Diagram Diagrams 5 3 1 43 ...
Page 95: ...95 5 3 Connector Diagram Diagrams 5 3 2 50 ...
Page 96: ...96 5 3 Connector Diagram Diagrams 5 3 3 55 ...
Page 97: ...97 English 2015 07 Sony EMCS Malaysia Sdn Bhd RDCM 9 888 172 04 ...