SX-LX70SW
55
5
6
7
8
5
6
7
8
C
D
F
A
B
E
5. Contents of failures
• The contents of fail
u
res are classified depending on the error displayed at PO
W
ER O
N
as follows:
S Y S
c k U
B a
E R R
p
• If "OC ERROR" doesn't occ
u
rs in the next operation when the power is t
u
rned on in the normal mode, it is s
u
spected that
the speaker terminal may be short-circ
u
ited.
1.
W
hen the c
u
stomer set
u
p, the vol
u
me was increased with the both poles of SP cable being short-circ
u
ited.
2.
W
hen the c
u
stomer set
u
p, the cond
u
ctor of SP cable was in contact with the chassis of main
u
nit.
• If "OC ERROR" occ
u
rs again, the following ca
u
ses may be s
u
spected:
1. Any (or some) of the fo
u
r digital amplifier ICs (TAS5142DKD) in the AMP ASSY may be broken.
2. Any portion between the above digital amplifier ICs and the speaker terminal may be short-circ
u
ited.
3. At any portion between the above digital amplifier ICs and the system component (PDC157A
8
), the line for SHUTDO
WN
may be short-circ
u
ited to the gro
u
nd or broken.
4. The voltage of
V
G+12 is low (less than 10
V
).
In any case, the following ca
u
ses are s
u
spected:
1.
The
comm
u
nication line to EEPROM (or Flash ROM) is broken or short-circ
u
ited.
2. The IC of EEPROM (or Flash ROM) itself has a defect.
• If "O
V
ERTEMP" doesn't occ
u
r in the next operation when the power is t
u
rned on in the normal mode, there is no abnormality.
(It may be a temporary over temperat
u
re. Lower the vol
u
me.)
• If "O
V
ERTEMP" occ
u
rs again, the following ca
u
ses may be s
u
spected:
1. Any (or some) of the fo
u
r digital amplifier ICs (TAS5142DKD) in the AMP ASSY may be broken.
2. At any portion between the above digital amplifier ICs and the system component (PDC157A
8
), the line for XOT
W
may be short-circ
u
ited to the gro
u
nd or broken.
3. The heat sink is not installed properly. (Screws are loosened, silicone grease is not applied, etc.)
Back
u
p error for PDC157A
8
,164A
8
(system
u
-com) control
Error due to backup failure
Error due to detection of overcurrent
D S P
c k U
B a
E R R
p
O
r r o
C
E
1
r
Over temperature error
O v
T e m
e r
p
O
r r o
C
E
2
r
Back
u
p error of PEG117 (DSP
u
-com) control
When an EEPROM failure of DSP occurs, "DSP BackUpERR" is displayed in 15 seconds after the power is turned on.
4. Contents of operation
• Basically, the operation of the service test mode is the same as that of the normal mode. In order to indicate that the
operation is in the test mode, the displays by f
u
nction are as shown below.
[Functions]
HDMI1
HDMI3
Digital1
Digital2
HDMI2
ipod
F.A
u
dioIn
FM/AM
Analog (RCA)
[FL display]
H D M I
1 S
V
R
E
i t a l
1 S
g
i
D
V
R
E
i t a l
2 S
g
i
D
V
R
E
l o g
S
a
n
A
V
R
E
i p o d
S
V
R
E
u d i o
I S
A
.
F
V
R
E
T u n e r
S
V
R
E
H D M I
2 S
V
R
E
H D M I
3 S
V
R
E
M
R a d i S
X
V
R
E
S I R I U S S
V
R
E
XM
SIRIUS
S A T
c k U
B a
E R R
p
Back
u
p error for PEG393(digital radio
u
-com) control
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 ...
