Troubleshooting Flowcharts - Sony KDS-50A2000 Training Manual

Troubleshooting Flowcharts

1) Except for the Lamp LED all flash patterns will
occur on the Front Panel
Red "Power" LED
2) All voltage are measured prior to unit shutdown
3) Reference Chapter 5, Pages 57 - 59 for detailed
flowchart step descriptions
LAMP LED
Flashing
Confirm that High
Voltage Lamp
connector & Red wires
are secure and
undamaged
OK
Replace LAMP
Lamp Part Number
KDS-50A2000 – XL-5200
KDS-55A2000 – XL-5200
KDS-60A2000 – XL-5200
PROTECTION MODE FLOWCHART C1
FIGURE 5-5
TVP-23
NOTES:
Unit Shuts OFF
2X Flash
Temperature Thresholds
Pattern Lamp 70°c
SXRD Panel 90°c
(Temperature )
Ambient 47°c
Does
unit Shut-Down
Yes
Immediately after
Power ON
?
No
"TV Temperature is High"
is displayed before Shutdown
for 1.5 mins. then 2X
Clear unit ventilation areas
and confirm adequate local
room temperature
No
Does unit still
shutdown (2X)?
Problem
Solved
Yes
Replace
S1 & S2 Boards
(S1) A-1123-582-A
(S2) A-1166-583-A
2006 SXRD-A Protection Mode
C1
Troubleshooting Flowchart C 1
NOTE: Confirm all
connections between
RED LED
circuit boards before
Flashing
replacing
Does
No
Problem
unit still
shutdown (2X) Solved
?
Yes
Replace
Optical Block
A-1203-196-A (50")
A-1203-195-A (55")
A-1203-194-A (60")
Does unit still No Problem
shutdown (2X)? Solved
Yes
Replace
A1-Board
A-1205-146-A (50")
A-1205-145-A (55")
A-1205-144-A (60")
5. Protection Circuits
3X Flash
Pattern
(Lamp Door)
Check that
Lamp Door
is securely seated &
undamaged
Is
No
Lamp Door
Lamp Door
Physically
X-2109-529-1
OK?
Yes
Check
T- Board Lamp-Door Switch
Reference Test Point Diagram
Figure 3-3
Are
Both wires on
No
Yes
connector 0V
Lamp-Door switch
OK?
Replace
A1-Board
Replace T- Board
A-1205-146-A (50")
A-1166-584-A
A-1205-145-A (55")
A-1205-144-A (60")
Replace
44