Troubleshooting; Troubleshooting Items - Sony KD-49X7 D Series Service Manual

No
1.0 No Power - PSU
1.2 No Power -u-Com Failure
1.3 No Power - DDCON/LDO
1.4 No Power - Main Device Failure
1.5 No Power - Main Device Replacement
2.0 LED Blinking: 2x (Main power Error)
2.1 LED Blinking: 3x (DC Alert)
2.2 LED Blinking: 3x (Audio Error)
2.3 LED Blinking: 4x (LD Voltage Error)
2.4 LED Blinking: 5x (Panel Communication Error)
2.5 LED Blinking: 6x (Backlight Error)
2.6 LED Blinking: 7x (Temperature Error)
3.0 No Sound
3.1 No Sound: Audio (For all models)
Main Board Power Off Checking (for Main SP Lch &
3.3
Rch)
Main Board Power On Checking (for Main SP Lch &
3.4
Rch)
3.5 No Sound: HP / Lineout Only
3.6 No Sound: SCART OUT Audio
3.7 No Sound: Tuner
3.8 No Sound: HDMI

TROUBLESHOOTING

Item
SECTION 3
No
4.0 No Picture: All models
No Picture: VIDEO Component/CVBS/SCART Analog
4.1
Signal Path
4.2 No Picture: VIDEO
4.3 No Picture: Component/SCART
4.4 No Picture: Tuner
4.5 No Picture: HDMI
5.0 Side Buttons Malfunction
5.1 IR Remote Commander Malfunction
5.2 Light Sensor Error
6.0 Network Malfunction: Ethernet (Wired)
6.2 Troubleshoot flow for Wireless Network malfunction
6.3 Troubleshoot flow for Bluetooth malfunction (3D, TPR)
Item
14