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SX-LX70SW
36
1
2
3
4
1
2
3
4
C
D
F
A
B
E
G
H
IC101 P12 (R126(2))
N
o
N
o
DT2O
Yes
To Step 7
Fail
u
re in 1st DSP block,
Go to Step
8
.
Fail
u
re in 1st DSP block,
Go to Step
8
.
N
o
Fail
u
re in 1st DSP block,
Go to Step
8
.
Replace IC201.
Is there
abnormality at the
parts and patterns
in the path?
Check the following points when the so
u
rce is
M
u
iti ch.
Is there
a a
u
dio data
(with Cch so
u
rce)?
IC101 P11 (R126(3))
N
o
DT1O
Yes
Is there
abnormality at the
parts and patterns
in the path?
Is there
a a
u
dio data
(with Sch so
u
rce)?
N
o
IC201 (Pin
8
0)
N
o
Yes
Is there
abnormality at the
parts and patterns
in the path?
Is there
a a
u
dio data
(with Sch so
u
rce)?
Replace IC201.
IC201 (Pin 5
8
)
N
o
N
o
Yes
Is there
abnormality at the
parts and patterns
in the path?
Is there
a a
u
dio data
(with Cch so
u
rce)?
IC101 P13 (R126(1))
N
o
N
o
DT3O
Yes
Is there
abnormality at the
parts and patterns
in the path?
Is there
a a
u
dio data
(with SBch so
u
rce)?
Replace IC201.
IC201 (Pin 59)
N
o
N
o
Yes
Is there
abnormality at the
parts and patterns
in the path?
Is there
a a
u
dio data
(with SBch so
u
rce)?
Yes
N
o
N
o
Is there
abnormality at the
parts and patterns
in the path?
Yes
IC751 (Pin 21)
N
o
N
o
Check the path to
the microcomp
u
ter.
IC701 (Pins 23,24)
Step 7: Audio Clock (from 2nd DSP to the MODU-
LATOR
input)
IC701 (Pin 21)
DARST
N
o
Yes
Is the
voltage of reset
inp
u
t 3.3
V
?
Is the
voltage of reset
inp
u
t 3.3
V
?
Replace IC701
or IC751.
N
o
Check the path to
the microcomp
u
ter.
Replace IC701
or IC751.
Replace IC701
or IC751.
Yes
N
o
N
o
Is there
abnormality at the
parts and patterns
in the path?
LSSDA, LSSCL
(33D) (35D)
IC751 (Pins 23,24)
Replace IC701
or IC751.
MCLK
MCK3
Replace IC291.
Yes
IC291 (Pin 12)
N
o
N
o
Is there
abnormality at the
parts and patterns
in the inp
u
t path?
Is there
a master clock inp
u
t
(24.576 MHz)?
Replace IC291,
IC701 or IC751.
Yes
IC291 (Pin 11)
N
o
N
o
Is there
abnormality at the
parts and patterns
in the o
u
tp
u
t path?
Is there
a master clock o
u
tp
u
t
(24.576 MHz)?
Is the
control signal visible
when the delay amo
u
nt
is changed?
Is the
control signal visible
when the delay amo
u
nt
is changed?
IC291 (Pin 9)
MCLK
N
o
Yes
Is there
an operating master
clock signal
(24.576 MHz)?
Replace IC291.
N
o
Is there
abnormality at the
parts and patterns
in the inp
u
t path?
IC291 (Pin
8
)
MCLK4
N
o
Yes
Is there
an operating master
clock signal
(24.576 MHz)?
Replace IC291
or IC3101.
N
o
Is there
abnormality at the
parts and patterns
in the o
u
tp
u
t path?
Содержание AS-LX70
Страница 3: ...SX LX70SW 3 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 15: ...SX LX70SW 15 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 26: ...SX LX70SW 26 1 2 3 4 1 2 3 4 C D F A B E HDMI Assy Check Points HDMI ASSY E Commonness HDMI SIDE B ...
Страница 68: ...SX LX70SW 68 1 2 3 4 1 2 3 4 C D F A B E 9 2 PACKING AS LX70 x 2 Refer to 9 6 REMOTE CONTROL ...
Страница 74: ...SX LX70SW 74 1 2 3 4 1 2 3 4 C D F A B E 9 5 DISPLAY UNIT H G I NON CONTACT SIDE CONTACT SIDE ...
Страница 76: ...SX LX70SW 76 1 2 3 4 1 2 3 4 C D F A B E 9 6 REMOTE CONTROL ...
Страница 97: ...SX LX70SW 97 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 106: ...SX LX70SW 106 1 2 3 4 1 2 3 4 C D F A B E 10 15 POWER SUPPLY UNIT J ...
Страница 107: ...SX LX70SW 107 5 6 7 8 5 6 7 8 C D F A B E CN1001 CN3191 1 2 B 1 7 A J J POWER SUPPLY UNIT AWR7051 ...
Страница 108: ...SX LX70SW 108 1 2 3 4 1 2 3 4 C D F A B E ...
Страница 130: ...SX LX70SW 130 1 2 3 4 1 2 3 4 C D F A B E CN3 CN2 J J POWER SUPPLY ASSY SIDE B SIDE B J ...