-4-
DXZ745MP/DXZ746MP
ERROR DISPLAYS
If an error occurs, one of the following displays is displayed. Take the measures described below to eliminate the problem.
Error Display
Cause
Measure
A CD is loaded upside-down inside the CD deck
and does not play.
Eject the disc then reload it properly.
ER ROR 6
ER ROR 2
A CD inside the CD changer is not loaded.
This is a failure of CD changer’ s mechanism.
ER ROR 3
A CD inside the CD changer cannot be played
due to scratches, etc.
Replace with a non-scratched, non-warped disc.
ER ROR 6
A CD inside the CD changer cannot be played
because it is loaded upside-down.
Eject the disc then reload it properly.
If an error display other than the ones described above appears, press the reset button.
A CD is caught inside the CD deck and is not
ejected.
This is a failure of CD deck's mechanism.
ER ROR 2
ER ROR 3
A CD cannot be played due to scratches, etc.
Replace with a non-scratched, non-warped disc.
CD
CD
CH
ER ROR 3
A DISC cannot be played due to scratches, etc.
Retry or replace with a non-scratched, non-warped-
disc.
ER ROR 6
A DISC inside the DVD changer cannot be
played because it is loaded upside-down.
Eject the disc then reload it properly.
ERROR P
Parental level error.
Set the correct Parental level.
ER ROR 2
A DISC inside the DVD changer cannot be played.
This is a failure of DVD mechanism.
Region code error.
Eject the disc and replace correct region code disc.
DVD
CH
ER ROR R
AMP GUARD
The speaker protection circuit is operating.
During this operation, if any volume operation is
performed, the display shows "AMP GUARD".
Turn down sound volume. Function can also be
restored by turning the power off and on again.
(Speaker volume is reduced automatically when
the speaker protection circuit operates).
General
BLOCK DIAGRAM
CD mechanism section: 929-0300-82
MP3&WMA Encoded disc/CD-DA disc
(CD-ROM ISO9660)
CD Mecha.
P/U CP-51
J2 10pin
J1 15pin
IC101
DRIVER
3.3V(I/O)
1.6V(Core)
3.3V
FAN8047G3
IC6
IC4
IC9
DSP
LOGIC
DRAM
TMS320DA140
SN74
C139
K4S641632F-TC60
(CD-ROM I/F)
(1M x 16bit x 4B)
Q1
3.3V
(ECC)
IC7
Transistor
IC102
(MPEG audio decode)
LOGIC
5V
3.3V
CD DSP
(WMA decode)
SN74
74
TC94A15F
(CD-DA ESP)
(Digital servo)
IC2
(DF/DAC)
Regulator
3.3V
1.6V
3.3V
IC10
IC1
FLASH ROM
LOGIC
MBM29DL800BA
(8Mbit)
AUDIO
D-OUT
IC3
LOGIC
SN74HCT08
V-BUS
I/F-5V
ACC8V
J3 20pin
ACC5V
DAC
SN74
C139