LC-15B1U
26
No sound
fr
om
speaker
s
Yes
No
Is Pin (53) of
IC2001 at
“L
”?
Chec
k all the settings on the microprocessor
’s adjust process men
u.
No sound
No
Are outputs at
Pins (1) and (7)
of IC3301 as
specified?
Yes
No
Are inputs at
Pins (2) and (4)
as w
e
ll as
outputs at Pins
(8) and (12), all
of IC3305, as
specified?
Muting eff
e
ct is
on.
Chec
k the
FSMUTE line
.
Chec
k IC3301,
IC3302, IC3303
and their
per
ipher
al par
ts
.
Chec
k the line
in question,
IC3301 and its
per
ipher
al
par
ts
.
Yes
Chec
k the
speak
ers and
their per
ipher
al
par
ts
.
No sound
fr
om
headphone
Yes
No
Is Pin (55) of
IC2001 at
“L
”?
Chec
k
the
headphone and
its per
ipher
a
l
par
ts
.
Chec
k Q2007,
J3500, har
n
ess
and their
per
ipher
al par
ts
.
No sound
fr
om output
line
Yes
No
Is Pin (58) of
IC2001 at
“L
”?
No
Are outputs at
Pins (14) and
(15) of IC3501
as specified?
Yes
Chec
k
the line
in question.
Chec
k the
LMUTE line
.
Chec
k IC3501,
IC3304 and its
per
ipher
a
l
par
ts
.
TV sound
failure
Yes
No
Is output at Pins
(15) and (16) of
tuner as
specified?
No
Is input at Pin
(67) of IC3304
as specified?
Yes
Chec
k IC3304,
X3301 and
their per
ipher
a
l
par
ts
.
Chec
k the
tuner and its
per
ipher
al
par
ts
.
Chec
k
Q3201,
Q3202 and
their per
ipher
al
par
ts
.
Yes
No
Are input and
output of
IC3304 as
specified?
Chec
k IC3304
and its
per
ipher
al par
ts
.
TROUBLE SHOOTING TABLE
(Continued)
Содержание Aquos LC 15B1U
Страница 28: ...28 LC 15B1U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 CHASSIS LAYOUT MAIN Unit Side A MAIN Unit Side B ...
Страница 29: ...29 LC 15B1U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 INVERTER Unit TERMINAL Unit CONTROL Unit LED Unit ...
Страница 32: ...33 LC 15B1U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 SCHEMATIC DIAGRAMS Ë CONTROL Unit Ë LED Unit ...
Страница 40: ...47 LC 15B1U M E M O ...
Страница 42: ...49 LC 15B1U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Ë MAIN Unit Side B Component Parts ...
Страница 45: ...54 LC 15B1U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Ë Terminal Unit Side A Component Parts ...
Страница 46: ...55 LC 15B1U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Ë Terminal Unit Side B Component Parts ...
