Marantz AV8802/U1B - Page 21

1.4. Error display
If multiple errors occur, only one item is displayed.
The priority order is
w
,
e
,
r
,
t
,
y
,
u
,
q
.
Condition States Display TROUBLE SHOOTING
q
FirmCheck
NG
Themodelname,brandnameandregion
informationwritteninthermwareare
comparedtotheregionsettingsinthe
PCB.Thiserrorisdisplayediftheinforma-
tiondoesnotmatch.
" ▲ "isdisplayedastherstcharacterif
thermwareisnotcorrect(seerightsec-
tionoftable).
F I R M E R R O R
–
M a i n : * * . * *
–
D S P 1 : * * . * *
–
A u d i o P L D : * * . * *
–
G U I : * * * * * * * *
•Checktheresistorfor
settingregion(R5003,
R5004,R5006,R5007,
R5013,R5014DIGITAL
PCB).
•Writethermwarefor
thecorrectregion.
w
SUBμ -COM
NG
ThereisnotareplyfromSUBμ-COM.
S U B E R R O R 0 1
•ChecktheSUB(U2101)
andsurroundingcir-
cuits.
e
IPSCALERNG
AnerroroccursinLoopbackTestofthe
DDRmemorytoperformatinitialsetting
ofi/pScaler(ADV8003).
I P S C A L E R E R R 0 1
• Check the circuits
around the IP SCALER
(U2800, DIGITAL PCB)
and DDR2 (U3000/
U3001).
If there appear to be
no problems, U2800 or
U3000/U3001 is faulty.
Ininitialsettingofi/pScaler(ADV8003),
thereisnotthereplyoftheLoopbackTest
resultoftheDDRmemory.
I P S C A L E R E R R 0 2
r
GUISerial
FlashNG
WhenitisdifferentfromVersionofthe
MainCPUwhichVersionofGUISerial
Flashsupports.（ADV8003）
" ▼ "isdisplayedastherstcharacterof
theGUIrmwareversion.
G U I V E R . E R R O R
•
G U I : * * * * * * * *
•Checkthermwarever-
sion.
t
DIRNG
Thiserrorisdisplayedifthereisnore-
sponsefromtheDIR.
D I R E R R O R 0 1
•ChecktheDIR(U1000,
DIGITALPCB)andsur-
roundingcircuits.
y
DSP
*
NG
(
*
:1/2/3/4)
TheDSP
*
FLAG0portdoesnotenter"
Hi
"
statusevenafterexecutingaDSPreset
duringaDSPcodeboot.
D S P * E R R O R 0 1
•ChecktheDSP(U101,
U201,U301,U401,DIGI-
TALPCB)andsurround-
ingcircuits.
TheDSP
*
FLAG0portdoesnotenter"
Hi
"
statusbeforeissuingaDSPcommand.
D S P * E R R O R 0 2
ACK="
Hi
"doesnotoccurduringDSP
*

datareading,evenwhenWRITE="
Lo
".
D S P * E R R O R 0 3
ACK="
Lo
"doesnotoccurduringDSP
*

datareading,evenwhenREQ="
Lo
".
D S P * E R R O R 0 4
ACK="
Hi
"doesnotoccurduringDSP
*

datawriting,evenwhenWRITE="
Hi
".
D S P * E R R O R 0 5
ACK="
Lo
"doesnotoccurduringDSP
*

datawriting,evenwhenREQ="
Lo
".
D S P * E R R O R 0 6
u
EEPROMNG
Anerroroccurredinachecksumofthe
EEPROM(***isablockaddressnumber).
E 2 P R O M E R R * * *
21