SX-LX70SW
38
1
2
3
4
1
2
3
4
C
D
F
A
B
E
I
Replace IC701
or IC751.
(FDT)
LSFD
Replace IC701.
N
o
Yes
N
o
Is there
a a
u
dio data
inp
u
t?
Is there
abnormality at the
parts and patterns
in the inp
u
t path?
IC701 (Pin 5)
N
o
Yes
N
o
Is there
a a
u
dio data
o
u
tp
u
t?
Is there
abnormality at the
parts and patterns
in the o
u
tp
u
t path?
IC701 (Pin 29)
Replace IC701
or IC751.
N
o
Yes
N
o
Is there
a a
u
dio data
inp
u
t?
Is there
abnormality at the
parts and patterns
in the inp
u
t path?
IC751 (Pin 5)
Replace IC751
or IC3101.
N
o
Yes
N
o
Is there
a a
u
dio data
o
u
tp
u
t?
Is there
abnormality at the
parts and patterns
in the o
u
tp
u
t path?
IC751 (Pin 29)
Replace IC751
or IC3101.
N
o
Yes
N
o
Is there
a a
u
dio data
inp
u
t?
Is there
abnormality at the
parts and patterns
in the inp
u
t path?
IC3101 (Pin 31)
IC201 (Pin 5)
N
o
N
o
CDTO
Yes
Fail
u
re in 2nd DSP block,
Go to Step 9.
Fail
u
re in 2nd DSP block,
Go to Step 9.
N
o
Replace IC701.
Is there
abnormality at the
parts and patterns
in the path?
Check the following points when the so
u
rce is
M
u
lti ch.
Is there
a a
u
dio data
(with Cch so
u
rce)?
IC201 (Pin 6)
N
o
SDTO
Yes
Is there
abnormality at the
parts and patterns
in the path?
Is there
a a
u
dio data
(with SLch so
u
rce)?
N
o
IC701 (Pin
8
)
N
o
Yes
Is there
abnormality at the
parts and patterns
in the path?
Is there
a a
u
dio data
(with SLch so
u
rce)?
Replace IC701.
IC701 (Pin 12)
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)?
(SDT)
IC701 (Pin 2
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 Sch so
u
rce)?
Replace IC701
or IC751.
J
IC751 (Pin
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 Sch so
u
rce)?
Replace IC701
or IC751.
(CDT)
IC701 (Pin 27)
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)?
Replace IC701
or IC751.
Summary of Contents for AS-LX70
Page 3: ...SX LX70SW 3 5 6 7 8 5 6 7 8 C D F A B E ...
Page 15: ...SX LX70SW 15 5 6 7 8 5 6 7 8 C D F A B E ...
Page 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 ...
Page 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 ...
Page 76: ...SX LX70SW 76 1 2 3 4 1 2 3 4 C D F A B E 9 6 REMOTE CONTROL ...
Page 97: ...SX LX70SW 97 5 6 7 8 5 6 7 8 C D F A B E ...
Page 106: ...SX LX70SW 106 1 2 3 4 1 2 3 4 C D F A B E 10 15 POWER SUPPLY UNIT J ...
Page 108: ...SX LX70SW 108 1 2 3 4 1 2 3 4 C D F A B E ...
Page 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 ...