SX-LX70SW
33
5
6
7
8
5
6
7
8
C
D
F
A
B
E
E
Replace IC651.
Yes
N
o
Is there
a bit clock
inp
u
t?
N
o
Is there
abnormality at the
parts and patterns
in the inp
u
t path?
To Step 5-2
Check the path to the microcomp
u
ter.
IC651 (Pin 13)
DSDR0 (HLR)
N
o
Yes
Is the voltage
3.3
V
?
DSDL0 (HFDT)
IC651 (Pin 3)
HBCK
IC651 (Pin 6)
Replace IC651.
N
o
Is there
abnormality at the
parts and patterns
in the inp
u
t path?
Is there
a a
u
dio data
inp
u
t?
N
o
Yes
Replace IC651.
N
o
Is there
abnormality at the
parts and patterns
in the inp
u
t path?
Is there
a a
u
dio data
inp
u
t?
Step 4-3-2: When a sound is not out with the HDMI
(When the source is SACD)
IC651 (Pin 1)
HDS
W
N
o
Yes
MCLK
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Yes
IC651 (Pin 9)
N
o
N
o
Is there
abnormality at the
parts and patterns
in the path?
Is there
a master clock
(24.576 MHz)?
MCK1
Yes
IC291 (Pin 3)
N
o
N
o
Is there
abnormality at the
parts and patterns
in the path?
Is there
a master clock
(24.576 MHz)?
Yes
IC291 (Pin 1)
N
o
N
o
Is there
abnormality at the
parts and patterns
in the path?
Is there
a master clock
(24.576 MHz)?
Step 5-1: Audio Clock (from Switch to 1st DSP)
Yes
LCK1
IC651 (Pin 12)
N
o
Is there
a LR clock
?
N
o
Is there
abnormality at the
parts and patterns
in the path?
IC101 H13 (R114)
Yes
IC101 F14 (R112)
N
o
N
o
Is there
abnormality at the
parts and patterns
in the path?
Is there
a master clock
(24.576 MHz)?
Yes
N
o
Is there
a LR clock
?
N
o
Is there
abnormality at the
parts and patterns
in the path?
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 ...
