Error Codes - Mitsubishi WD-57833 Service Manual

MODELS: WD-57733 / WD-65733 / WD-73733 / WD-57734 / WD-65734 / WD-73734 / WD-C657

4. Error Codes

The Error Code designations indicating malfunction, or no malfunction, are listed below:
Code
12 No Error found
17 Communication loss, TV Micro - Engine (3.3V-ENG-SDA & SCL)
Engine will not accept data (ASIC-READY signal from Engine is not
18
detected).
32 Lamp cover is open.
Lamp turns Off while the TV is playing.
(1)
(Lamp failure)
34
(Lamp Enable signal from engine is lost)
36 Exhaust Fan failed.
37 Engine (DMD) fan failed.
38 Lamp temperature abnormally high.
39 DMD temperature abnormally high.
41 Standby Supply Short is detected. (IC7A01 pin 89).
42 Sirocco fan failed (Lamp/Ballast fan).
Check for disconnected DVI cable between PWB-DM and Engine.
44
(Engine pulls DVI pin 14 Low)
48 3.3V supply short (IC7A01 pin 124).
(2)
Ballast communication problem (ballast to chassis)
57
(3)
No LAMP-EN output from the engine to the ballast
61
Lamp did not turn on at P-ON sequence
(4)
(No Lamp inserted)
66
(Disconnected cable between ballast and lamp)
(Lamp-Enable goes to DM but not to Ballast)
(1)
Code 34 - Lamp Enable is generated to activate the Lamp
(2)
Code 57 - Lamp Enable is generated during P-ON sequence, but no Lamplit signal is received from the Ballast.
(3)
Code 61 - No Lamp Enable is received at the DM and Ballast.
(4)
Code 66 - Lamp enable is received at the DM but not at the Ballast.
ERROR CODE:
17 - Communication failure between engine and TV Micro (pins 6 & 7)
18 - TV Micro does dot receive ASIC READY command from the Engine
44 - DVI cable is disconnected, pin 14 is High from pull up resistor.
WD-Y577 / WD-Y657 / WD-57833 / WD-65833 / WD-73833
ERROR CODES
Description
DVI Connector Related Error Codes
Engine Failure
Loose PE or PE2 connector (no 12V from
PWB-POWER; Engine Failure
Lamp Cover Switch
Lamp Cartridge
Loose J4 connector
Loose J5 connector
Poor Air Circulation
Poor Air Circulation
PWB-MAIN Failure
Loose J8 connector
DVI Cable unplugged
PWB-MAIN Failure
Loose FB, CJ3, CJ1, PL or JE connector;
Ballast Failure
Engine Failure
Loose J4 connector
Lamp Cartridge or poor
connection to lamp.
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Most Likey Cause