SX-LX70SW
24
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Check
the
soldering
of
JA1102.
No
Replace
JA1102.
IC101
(Pins
39,40,
43,44,47,48,51,52)
TMDS(Rx0)
*
When
connected
the
source
equipment
to
IN1.
No
Yes
Yes
C
D
Yes
Step
3-6:
TMDS(INPUT)
Check
the
soldering
of
JA1151.
No
Replace
JA1151.
IC1151
(Pins
27,28,
30,31,33,34,39,40)
TMDS(HDMI
IN2)
*
When
connected
the
source
equipment
to
IN2.
No
Check
the
soldering
of
JA1152.
No
Replace
JA1152.
IC1151
(Pins
3,4,6,
7,9,10,45,46)
TMDS(HDMI
IN3)
*
When
connected
the
source
equipment
to
IN3.
No
Check
the
soldering
of
IC1151.
No
Replace
IC1151.
IC101
(Pins
57,58,
61,62,65,66,69,70)
TMDS(Rx1)
*
When
connected
the
source
equipment
to
IN2,3.
No
Do
signals
(approx.
0.5
Vp-p)
run
in
all
the
lines
?
Do
signals
(approx.
0.5
Vp-p)
run
in
all
the
lines
?
Step
3-7:
TMDS(OUTPUT)
JA301(Pins
1,3,4,6,
7,9,10,12)
TMDS(HDMI
OUT)
E9
No
Check
the
parts
and
patterns
in
the
path
(IC301
-
JA301).
No
Replace
IC301.
Yes
Step
3-8:
AUDIO
CLK,DATA
No
Replace
IC101.
CN1001(Pin
6)
SPDIFO
A1
Is
there
a
DATA
?
No
Check
the
parts
and
patterns
in
the
path
(IC201
-
CN1001).
Check
the
soldering
of
IC201,
L207,
Control
Signal.
Yes
IC201(Pin
9)
SPDIF
J3
Is
there
a
DATA
?
No
Check
the
parts
and
patterns
in
the
path
(IC101
-
IC201).
No
Replace
IC201.
Yes
Do
signals
(approx.
0.5
Vp-p)
run
in
all
the
lines
?
Do
signals
(approx.
0.5
Vp-p)
run
in
all
the
lines
?
Do
signals
(approx.
0.5
Vp-p)
run
in
all
the
lines
?
IC301
(Pin
47)
DSDA
D5
No
Yes
Yes
Check
the
patterns
in
the
path.
Check
R358.
No
Replace
Q953.
JA301
(Pin
15)
SCL(HDMI
OUT)
G14
No
Check
the
patterns
in
the
path.
Check
JA301.
No
Replace
JA901.
Does
a
clock
output
in
constant
period
(0
-
5
V)
?
Is
there
a
same
signal
as
G13
(0
-
3.3
V)
?
IC301
(Pin
46)
DSCL
D6
No
Yes
Yes
Check
the
patterns
in
the
path.
Check
R357.
No
Replace
Q953.
Is
there
a
same
signal
as
G14
(0
-
3.3
V)
?
Yes
IC201(Pin
2)
MCLK
J3
Is
there
a
CLK
?
No
Check
the
parts
and
patterns
in
the
path
(IC101
-
IC201).
No
Replace
IC101.
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 ...