Page 22
MODEL: WD-52631 / WD-57731 / WD-65731
Lamp Troubleshooting Flow Chart
FB Interconnect
• Install Lamp Cover with no Lamp
• Tape Lamp Switch Closed
• 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 (1to4)=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
Continuity
FB-4 to DVI-20
Check
DVI cable & DM
Open
OK
Code 66
Code 66
Lamp Lights
then goes out
Lamp does
not Light
Code 66
Code 66
Check Cable
Connections
DVI, FB & CJ3
Circuit
Problem
OK
Code 66
Code 66
Summary of Contents for WD-52631
Page 2: ......
Page 42: ...MODEL WD 52631 WD 57731 WD 65731 Page 42 MAIN POWER SUPPLY ...
Page 43: ...Page 43 MODEL WD 52631 WD 57731 WD 65731 xHD5 Engine Fan Supplies PWB SIGNAL VIDEO PATH ...
Page 44: ...MODEL WD 52631 WD 57731 WD 65731 Page 44 PWB DM Video Path ...
Page 45: ...Page 45 MODEL WD 52631 WD 57731 WD 65731 Sound Select Circuitry ...
Page 46: ...MODEL WD 52631 WD 57731 WD 65731 Page 46 Sound Signal Path ...
Page 47: ...Page 47 MODEL WD 52631 WD 57731 WD 65731 Overall Control Circuitry ...
Page 48: ...MODEL WD 52631 WD 57731 WD 65731 Page 48 Command Input Circuit ...
Page 49: ...Page 49 MODEL WD 52631 WD 57731 WD 65731 Lamp Control Circuitry ...
Page 50: ...MODEL WD 52631 WD 57731 WD 65731 Page 50 Short Protect Circuit Light Engine Protect Circuitry ...
Page 51: ...Page 51 MODEL WD 52631 WD 57731 WD 65731 Auto Input Detection ...
Page 52: ...MODEL WD 52631 WD 57731 WD 65731 Page 52 Power Distribution ...