Akai DVLX44C1 Service Manual page 11

Rea r Projection TV Servlc.. Manual
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Symptom Possible Problem Remedv Action
Reference
Extreme color
domination (e g.
extremely green)
• Video Board fault • Replace Video Board
• SPN-6
Extreme low
brig htness
• Video Board fault
• Optical Engine
fau~
• First replace Video Board
• If problem persists, Replace
O~!ical
Engine
• SPN-6
• SPN-23
No tuner Input
• Tuner Board
fau~
• Tun er Board cable fault
• Replace Tuner Board
• Replace Tuner ACBL09 cable
• SPN-6
• Table 4
No so und
normal beeper
• Audio Board fault
(finer or mux)
• Cabl e fau lt
• Replace Audio Board
• Replace Audio Board ACBL 10
&
ACBL 11 cables
• SPN-6
• Table 4
•
• •
•
• •
Fan malfunction
• Fan fault
• Cable fa ult
•
• First repl ace fan and ACBL 17 or
ACBL 18 cable.
• If problem persist, run Service
Procedure.
• Table 4
• SP-A
Lamp tu rns on once
but fails on several
more attempts
• Power Supply faun
•
• First replace Power Supply
• If problem persists, run Service
Procedure.
• SPN-12
• SP-A
A flowchart of the test procedure is shown in Figure 6 through Figure 8.
seMce_manuaU
DVLX Confidential - 11 ­
'0
Oea!mb!!t '2004