PDP-LX5080D
69
5
6
7
8
5
6
7
8
C
D
F
A
B
E
5.4.2 SD (SHUTDOWN) DIAGNOSIS
Fre
q
uenc
y of
LED Flashing
Major T
ype
Detailed T
ype
Log Indication in F
actor
y Mode
Chec
kpoint
P
ossib
le Def
ective
Pa
rt
Remarks
MAIN
SUB
Blue 1
Abnor
mality in the
Sequence LSI
Comm
unication error
SQ-LSI
R
T
R
Y
CLK_SQ/TXD_SQ, etc.
IC3301, IC3601
SQ_IC comm
unication not estab
lished.
IC3301 ma
y not ha
ve
proper
ly star
ted up
.
Dr
iv
e stop
SQ
N
O
Chec
k if the video sync signal is input to IC3301.
C
N
3201, IC3202, IC3301
A shutdo
wn occurs if IC3301 has not proper
ly star
ted up (a comm
unication f
ailure betw
een IC3301 and IC3302 [FLASH]).
Busy
B
USY
B
USY_SQ
IC3301, IC3601
If B
USY_SQ remains high, a shutdo
wn is gener
ated.
Incoherent v
ersion
(hardw
are
, softw
are)
V
ER-HS
Chec
k the model n
umber of the DIGIT
AL Assy and the
destination of the sequence LSI.
IC3302, IC3601
The wr
itten SEQ_PR
OG is incoherent with data on the DIGIT
AL Assy
.
Incoherent v
ersion
(memor
y,
softw
are)
V
ER-MS
Chec
k the model n
umber of the DIGIT
AL Assy and the
destination of the sequence LSI.
IC3302, IC3601, IC3602
A shutdo
wn occurs if the SEQ-PR
OG that has been stored in bac
kup
memor
y does not coincide with the actual SEQ-PR
OG.
Blue 2
F
ailure in IIC
comm
unication with the
module microcomputer
DIGIT
AL Assy EEPR
OM
MD-IIC
EEPR
OM
IIC comm
unication line of IC3602
IC3602, IC3601
Chec
k the pull-up resistor of the IIC control line and the po
w
e
r to the corresponding IC
.
SE
N
SOR Assy EEPR
OM
BA
CKUP
IIC comm
unication line of IC3902
PA
N
EL SE
N
SOR Assy (IC3902),
IC3601
Chec
k the pull-up resistor of the IIC control line and the po
w
e
r to the corresponding IC
.
DA
C
1
DA
C
1
IIC comm
unication line of IC3605
IC3605, IC3601
Chec
k the pull-up resistor of the IIC control line and the po
w
e
r to the corresponding IC
.
DA
C
2
DA
C
2
IIC comm
unication line of IC3606
IC3606, IC3601
Chec
k the pull-up resistor of the IIC control line and the po
w
e
r to the corresponding IC
.
Blue 3
Abnor
mality in RST2
po
w
er decrease
–
RST2
–
Is the output v
o
ltage (3.3
V
) of the DC-DC con
ve
rt
er lo
w?
TP3
88
1, TP3
88
2
If RST2 does not become high after the unit is tur
ned on, a shutdo
wn will be gener
ated in se
ve
ral seconds
.
The 5.1
V
po
w
er is not output.
PO
W
ER SUPPL
Y Unit,FU3
8
01
Chec
k if
V
+ 5.1
V
is star
ted.
Also chec
k if the FU3
8
01 on the DIGIT
AL Assy has been melted.
Blue 4
Abnor
mality in panel
temper
ature
–
TMP-
N
G
TMP-H
TMP-L
High temper
ature abnor
mality in the panel temper
ature sensor
If
TEMP1 that is read b
y the module microcomputer is
8
5
°
C or higher
, a shutdo
wn will be gener
ated.
Lo
w temper
ature abnor
mality in the panel temper
ature sensor
PA
N
EL SE
N
SOR Assy (IC3901)
PA
N
EL SE
N
SOR Assy (IC3901)
A shutdo
wn occurs if the reading of
TEMP1 detected b
y the module microcomputer is
–20°C or less
. Also chec
k the connection with the P
A
N
EL SE
N
SOR Assy
.
Blue 5
Shor
t-circuiting of the
speak
ers / D-AMP
temper
ature abnor
mality
–
A
UDIO
–
Speak
er ter
minals
J
A9301
Chec
k if an
y speak
er cab
le is in contact with the chassis
.
A
UDIO_AMP
IC9201, IC9101
Chec
k if the AMP output is shor
t-circuited.
P
e
ri
pher
y of the cab
le betw
een IO3 and M
8
, and IO6 and P5
C
N88
03,C
N
4001,C
N88
06,P5
Chec
k if cab
les are fir
mly connected.
Blue 6
F
a
ilure in comm
unication with
the module microcomputer
–
MODULE
–
Comm
unication line betw
een MAI
N
and MOD
IC3151, IC
8
401
Chec
k the comm
unication lines (TXD_MOD/RXD_MOD/REQ_MOD).
P
e
ripher
y of the cab
le betw
een D11 and M1
C
N
3001, C
N
4101
Chec
k if cab
les are fir
mly connected.
Blue 7
F
ailure in main
microcomputer 3-wire
ser
ial comm
unication
IF microcomputer
MA-3L
IF
Comm
unication line betw
een IF and MAI
N
IC
8
301, IC
8
401
Chec
k the comm
unication lines (TXD_IF/RXD_IF/CLK_IF/B
USY_IF/CE_IF/REQ_IF).
MUL
TI processor
MUL
TI
Comm
unication line betw
een MUL
TI and MAI
N
IC
8
001, IC
8
401
Chec
k the comm
unication lines (TXD_IC3/RXD_IC3).
Blue
8
F
ailure in IIC
comm
unication with the
main microcomputer
T
uner 1
MA-IIC
FE1
IIC comm
unication line betw
een
T
uner and MAI
N
U6001,IC
8
401,IC6101
Chec
k the comm
unication lines (SCL_TU/SD
A_TU or SCL_A
V
5/SD
A_A
V
5).
MSP/MAP
MSPMAP
IIC comm
unication line betw
een MSP/MAP and MAI
N
IC9101, IC
8
401
Chec
k the comm
unication lines (SCL_A
V
/SD
A_A
V
).
A
V
s
w
itch
A
V
-S
W
IIC comm
unication line betw
een A
V
-S
W
and MAI
N
IC4601, IC
8
401
Chec
k the comm
unication lines (SCL_A
V
5/SD
A_A
V
5).
RGB s
witch
RGB-S
W
IIC comm
unication line betw
een RGB-S
W
and MAI
N
IC4701, IC
8
401
Chec
k the comm
unication lines (SCL_A
V
5/SD
A_A
V
5).
V
DEC
V
DEC
IIC comm
unication line betw
een M-
V
DEC and MAI
N
IC4
8
01, IC
8
401
Chec
k the comm
unication lines (SCL_MB/SD
A_MB).
V
DEC SDRAM
SDRAM
IIC comm
unication line betw
een
V
DEC and SDRAM
IC4
8
01, IC4
8
02
Chec
k the comm
unication lines (SDRAM).
Def
ectiv
e SDRAM
AD/PLL
ADC
IIC comm
unication line betw
een ADC and MAI
N
IC5001, IC
8
401
Chec
k the comm
unication lines (SCL_A
V
/SD
A_A
V
).
HDMI
HDMI
IIC comm
unication line betw
een HDMI_RX and MAI
N
IC5201, IC
8
401
Chec
k the comm
unication lines (SCL_MB/SD
A_MB).
COFDEM
DEMOD
IIC comm
unication line betw
een COFDM and MAI
N
IC6101, IC
8
401
Chec
k the comm
unication lines (SCL_A
V
/SD
A_A
V
).
Blue 9
F
a
ilure in comm
unication
with the main microcomputer
MAI
N
–
–
Comm
unication line betw
een IF and MAI
N
IC
8
301, IC
8
401
Chec
k the comm
unication lines (TXD_IF/RXD_IF/CLK_IF/B
USY_IF/CE_IF/REQ_IF).
FA
N
1
FA
N
2
Blue 10
F
A
N
N
G
FA
N
Dir
t attached to the f
an motor
–
Chec
k the f
an.
(SD10 does not detect it at the temper
ature that f
a
ns do not tur
n.)
P
e
ripher
y of the FHD F
A
N
CO
NN
ECT
FHD F
A
N
CO
NN
ECT Assy
FA
N
N
G
Chec
k if cab
les are fir
mly connected.
Pe
ripher
y of the cab
le betw
een F
A1 and M5, F
A
N
and M4, and F
A2 and F
A
5
C
N
9551 to C
N
9555,C
N
410
8
Dir
t attached to the f
an motor
–
Chec
k the f
an.
(SD10 does not detect it at the temper
ature that a f
a
n does not tur
n.)
P
e
ripher
y of the cab
le betw
een F
A
N
and M4
C
N
4103
Chec
k if cab
les are fir
mly connected.
Chec
k that the v
oltage outputs it.
P
e
ripher
y of the f
an control regulator
IC4310
P
e
ripher
y of the f
an control regulator
IC4303
Chec
k that the v
oltage outputs it.
FA
N
1
FA
N
2
Summary of Contents for KURO PDP-LX508D
Page 19: ...PDP LX5080D 19 5 6 7 8 5 6 7 8 C D F A B E ...
Page 20: ...PDP LX5080D 20 1 2 3 4 1 2 3 4 C D F A B E 4 BLOCK DIAGRAM 4 1 OVERALL WIRING DIAGRAM 1 2 ...
Page 22: ...PDP LX5080D 22 1 2 3 4 1 2 3 4 C D F A B E 4 2 OVERALL WIRING DIAGRAM 2 2 ...
Page 23: ...PDP LX5080D 23 5 6 7 8 5 6 7 8 C D F A B E ...
Page 159: ...PDP LX5080D 159 5 6 7 8 5 6 7 8 C D F A B E ...
Page 170: ...PDP LX5080D 170 1 2 3 4 1 2 3 4 C D F A B E 10 6 PANEL CHASSIS SECTION ...