29
LC-13E1U/UB/UW
LC-15E1U/UB/UW
No picture and sound
No color
No TV
color
No S-VIDEO color
Yes
No
Do F3701 function?
Check all the settings on the microprocessor
’s adjust process menu.
No
Are secondary outputs
(+38V
, +9V
, +5V
, -8V
, -20V)
of
T3701 as specified?
Yes
Are the oscillation waveform
at T3701
’s primary side as
specified?
Yes
No
Disconnect F3701.
Is the load side short-
circuited?
Yes
No
Is any of
T3701
’s primary
side, Q3700 and S4701 short-
circuited?
Check J3701, its peripheral
parts and connection cable.
Replace F3701.
Check S4701 and
connection cable.
Check the secondary-side
load of
T3701.
Fluorescent lamp
failure
Yes
No
Does F6500 and F6501
function?
Yes
No
Is pin (34) of IC1201 at
“H
”?
Yes
No
Are the oscillation waveforms
at the primary side of
T6500
and
T6502 as specified?
Yes
Replace F6500 and F6501.
No
Is input at Pin (71) of IC801
as specified?
Check SC3405, SC line and
their peripheral parts.
Yes
Check the line, IC1201 and
its peripheral parts.
Check D6500, Q6500~Q6505,
T6500~T6503 and their
peripheral parts.
Replace the fluorescent lamp
and check the oscillation
waveform again.
No VIDEO
color
Check all the settings on the microprocessor
’s adjust process menu.
No COMPONENT color
No
Is input at Pins (4) and (6) of
IC801 as specified?
Chec
k J3404, PB line
, PR line
and their per
ipher
a
l par
ts
.
TROUBLE SHOOTING TABLE
(Continued)
Summary of Contents for Aquos LC 13E1U
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Page 60: ...60 6 5 4 3 2 1 A B C D E F G H LC 13E1U UB UW LC 15E1U UB UW DIGITAL Unit Side A ...
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