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SX-LX70SW
21
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Step
3-1:
Power
supply,
CLK
IC1051
(Pin
3)
Is
the
voltage
5
V
?
No
5
V(HDMI
OUT)
Step
3-2
:
Reset
IC101
(Pin
100)
RXRST
Yes
V+5HD
5V(HDMI
IN1)
Is
the
voltage
4.4
V
?
No
No
Check
D1102.
Replace
D1102.
V+5E1
5V(HDMI
IN2)
Yes
Is
the
voltage
4.4
V
?
No
No
Check
D1151.
Replace
D1151.
V+5E2
5V(HDMI
IN3)
Yes
Yes
Yes
Is
the
voltage
4.4
V
?
No
No
Check
D1152.
Replace
D1152.
V+5E3
Yes
Yes
X101
X
'
TAL(HDMI
Rx)
C8
C9
No
Check
the
soldering
of
IC101.
Check
the
peripheries
of
X101.
Replace.
No
Replace
IC501
or
IC502.
L1151
Is
the
voltage
3.3
V
?
(Func
:
HDMI3
or
HDMI4)
No
3.3
V(Cable
EQ
2)
C2
A
No
Check
L1151,Q1153
and
the
peripheries.
Replace
L1151,Q1153
or
the
peripheries.
Is
oscillation
of
27
MHz
output
?
No
Check
the
parts
and
patterns
in
the
path.
No
IC301
(Pin
25)
TXRST
C10
Is
the
voltage
"H"
(3.3
V)
?
HDMI
section
Check
the
soldering
of
IC1051
and
the
peripheries
of
IC1051.
If
soldering
has
not
been
done
correctly,
replace
IC1051.
Step
3-3:
Hot
Plug
Detect
*
When
connected
the
source
equipment
to
IN1.
No
Replace
IC501
or
IC502.
Yes
Check
the
parts
and
patterns
in
the
path.
No
Is
the
voltage
"H"
(3.3
V)
?
Q1102
(Pin
B)
HPDET1(HDMI
IN1)
E3
Is
the
voltage
"L"
(0
V)
?
Yes
No
No
Replace
IC501.
Check
the
patterns
in
the
path.
Q1102
(Pin
C)
HPD(HDMI
IN1)
E4
Is
the
voltage
"H"
(5
V)
?
Yes
Yes
Check
the
patterns
in
the
path.
Check
Q1102,R1102.
No
Replace
Q1102
or
R1102.
Check
the
patterns
in
the
path.
Check
Q1151,R1151.
No
Replace
Q1151
or
R1151.
Q1151
(Pin
B)
HPDET2(HDMI
IN2)
*
When
connected
the
source
equipment
to
IN2.
E5
Is
the
voltage
"L"
(0
V)
?
Yes
No
No
Replace
IC501.
Check
the
patterns
in
the
path.
Q1151
(Pin
C)
HPD(HDMI
IN2)
E6
Is
the
voltage
"H"
(5
V)
?
No
*
When
connected
the
source
equipment
to
IN3.
Q1152
(Pin
B)
HPDET3(HDMI
IN3)
E7
Is
the
voltage
"L"
(0
V)
?
Yes
No
No
Replace
IC501.
Check
the
patterns
in
the
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 ...