Troubleshooting Flowcharts - Sony KDS-R50XBR1 Training Manual

B
NOTE: Reference Chapter 3, Pages 35 - 37
Unit will Not
Turn- ON
Press
TV or Remote
POWER
Button
Does
GREEN
Yes
(Power/Standby)
LED Begin
Flashing?
No
Confirm Unit
is connected
to AC Outlet
OK
G-Board
Is AC 110V
No
Present
at CN6014?
Yes
TVP-21
2005 SXRD Power-ON Troubleshooting
for detailed flowchart step descriptions
If video
distortion
check SW9V
Initial Power -ON OK
Troubleshoot Video , Lamp,
or Audio Problem
Glows
Steady Green
Continuous
What is the
Green LED Flash
State of the Green
(Power/Standby)
LED?
Red LED
Flashes
GO TO
FlowChart C1, 2, 3, 4
Protection Modes
Replace
F-Board
A-1119-915-A
Flowchart B
Check
Connections
between DSU
Board & Q-Box
OK
Replace
Q-Box
50" A-1152-713-A
60" A-1152-712-A
Replace
ASU/DSU Assembly
Go to Appendix for
Part # Tables A-1 & A-2

Troubleshooting Flowcharts

Check Standby5V
at Cn6502/Pin41
or at
Thermostat
"Before Shutdown"
Is voltage
Yes ASU/DSU Assembly
5V
Go to Appendix for
Present?
Part # Tables A-1 & A-2
No
Replace
G-Board
A-1138-898-A
Primary Failure Component
Secondary Failure Component
Replace
15