HCD-MX500i/MX550i
16
CD SERVICE MODE
This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the optical pick-up.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [FUNCTION] button to select “CD”.
3. Press three buttons of [
x
] and [ +
v
] simultaneously, the
message “SERVICE MO” is displayed on the
fl
uorescent indi-
cator tube.
4. Press the [
l m
TUNE –] button to move the optical pick-
up to inside track and the message “SLED IN” is displayed on
the
fl
uorescent indicator tube, or press the [
M L
TUNE
+] button to outside track and the message “SLED OUT” is
displayed on the
fl
uorescent indicator tube.
5. Press the [
u
] button, “LD ON” or “LD OFF” is displayed
on the
fl
uorescent indicator tube. Each time [
u
] button is
pressed, laser diode on/off is changed over.
6. To release this mode, press the [
?
/
1
] button.
CD SERVO TEST MODE
This mode can check the servo system operations of the optical
pick-up system (= optical unit + BD96/BD96U board).
Note 1:
Do not enter the [CD SERVO TEST MODE] while any other test
mode is in progress.
Note 2:
Do not enter any other test mode while the [CD SERVO TEST
MODE] is in progress.
Note 3:
In RAM Read, “SBADrough”, “SBBTrough”, “DT-GI roug”,
“SBAD
fi
ne”, “SBBT
fi
ne”, “DT-GI
fi
ne”, “DSPcomcnt”, and
“EDCcomcnt” are displayed but are not used in the service.
How to Enter the CD Servo Test Mode
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press the [FUNCTION] button to select CD function.
3. Press three buttons of [
x
], and [
V
‒
] simultaneously.
4. It enters the CD servo test mode and displays “bdt S CURV”.
How to Exit from the CD Servo Test Mode
Procedure:
1. To release this mode, press the [
?/1
] button.
Key Operation:
[ +
v
], [
V
–]:
Use these keys to move between the seven modes contained in the
CD Servo Test Mode, that are the S-Curve Mode, the RAM Read
Mode, the RAM Write Mode, the Command Out Mode, the Error
Rate Mode the LOG Initialize Mode and the LOG Read Mode as
described below. Also, use these keys to move between the menus
within the respective seven modes. When [ +
v
] is pressed, the
screen advances to the next menu or to the next mode. When [
V
–] is pressed, the screen returns back to the previous menu or
to the previous mode. Use these keys also to increase or decrease
the numeric value when changing the numeric value. Pressing [
+
v
] increases the value and pressing [
V
–] decreases the value.
[ENTER], [
x
]:
Use these keys to move between the different layers of the hier-
archy of the CD Servo Test Mode shown below. Press [ENTER]
to move down to the lower layer, and press [
x
] to move up to the
higher layer.
[
M L
TUNE +], [
l m
TUNE –]:
Use these keys to move the cursor to the right digit or to the left
digit in the six-digit number, when changing the numeric value.
Press [
M L
TUNE +] to move the cursor to the right, and
press [
l m
TUNE –] to return the cursor to the left.
[
u
]:
Use this key to execute Command Out in the Command Out Mode.
CD Servo Test Mode Tree:
S Curve Mode
LD ON
(bdt S CURV)
(LD ON)
RAM Read Mode
Disc Type
value indication
(bdtRAM REA)
(DiscType)
(AL: 0000, RW: 0001)
Gain Index
value indication
(GainIndx)
(0001)
RFO GAIN
value indication
(RFO_GAIN)
(0008)
FEO GAIN
value indication
(FEO_GAIN)
(0005)
SBAD GAIN
value indication
(SBAD_GAIN)
(0008)
TEO GAIN
value indication
(TEO_GAIN)
(0008)
Disc Size
value indication
(DiscSize)
(0000: Non disc, 0001: 8cm,
0002:
12cm)
Op ABRAKE Error value indication
(OpAbrkErr)
(0000)
SBBT Data
value indication
(SBBT Data)
(0053)
TE Peak
value indication
(TE
P-P)
(0097)
FEOOCD
value indication
(FEOOCD)
(00C0)
The following items are not used (Note 3)
RAM Write Mode
SPG Mask
value edit
(bdtRAM WRI)
(00 SPG_M)
(Non mask:00, Mask:01)
Fix RF Gain
value edit
(00 FixRF)
(Non Fix:00, AL Fix:01, RW Fix:02)
TMAX ON
value edit
(00 tmaxo)
Driver Mute OFF value edit
(00 d_mut)
(Normal:00, Forced OFF:01)
Command Out Mode
COMOUT6X
value edit
command out
(bdt COMOUT)
(COMOUT6X)
(000000)
(OK)
READ2X
value edit
command out
(READ2X)
(60)
(50)
REG READ
value edit
command out
(REG_READ)
(00)
(0000)
FEBC?
command out
(FEBC?)
(00)
FGADD?
command out
(FGADD?)
(FA)
TEBC?
command out
(TEBC?)
(02)
TGADD?
command out
(TGADD?)
(0D)
RFGC?
command out
(RFGC?)
(3F)
FEOF?
command out
(FEOF?)
(0000)
TEOF?
command out
(TEOF?)
(FFC0)
TEIOCD1?
command out
(TEIOCD1?)
(FEC0)
TEIOCD2?
command out
(TEIOCD2?)
(FEC0)
TEIOCD3?
command out
(TEIOCD3?)
(0080)
TEOOCD?
command out
(TEOOCD?)
(FB80)
FEOOCD?
command out
(FEOOCD?)
(00C0)
MONITOR
value edit
command out
(MONITOR)
(570A00)
(OK)
Error Rate Mode
Error rate indication
(bdt ERR RA)
(0000000000)
LOG Read Mode
value indication
(bdtLOG REA)
(XX: YYYYYY: ZZZZ)
XX: LOG Number
YYYYYY: Communication LOG
ZZZZ: LOG Number
LOG Initialize Mode
Initializetion
Initialization execution
(bdtLOG INI)
confirmation
(INIT done)
indication
Higher layer
Lower layer of menu hierarchy
