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MODELS: WD-57733 / WD-65733 / WD-73733 / WD-57734 / WD-65734 / WD-73734 / WD-C657
WD-Y577 / WD-Y657 / WD-57833 / WD-65833 / WD-73833
Lamp Troubleshooting Flow Chart
• Install Lamp Cover with no Lamp
• Override Lamp Switch
• Monitor Ballast spark gap.
• Press "POWER'
• Spark gap arc?
Press
"POWER"
PE Connector
Pins 1 & 2=12V
Ballast
DC Supply?
Check
PWB-POWER
Replace
Lamp
Check
PWB-POWER
• H for 5 sec.
• L for 10 sec.
• H for 1 sec>
• Stays Low
PL (1to5)=340V
FB pin 3=5vs
Replace
Ballast
Replace
Engine
• H for 4 sec.
• L for 10 sec.
• Repeats
several times
Replace
Lamp
Install Lamp
& Lamp Cover
Check
Ballast
Striking
Replace
Lamp
Check
LAMP-EN
(FB pin 4)
Yes
NG
No
OK
Yes
Pulses
No
No Pulse
Pulses
Yes
Yes
ENG-PWR
(PD-17)
Check
Engine
Power
Code 61
Code 61
Code 34
Code 34
Code 57
Code 57
Check Path
DVI pin 20
Q7A03/Q7A05
FB pin 4
Replace
PWB-MAIN
Open
OK
Code 66
Code 66
Lamp Lights
then goes out
Lamp does
not Light
Code 66
Code 66
Check Cable
Connections
DVI, FB & CJ1
Circuit
Problem
OK
Code 66
Code 66