Sony HCD-MX700Ni, Руководство по обслуживанию

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HCD-MX700Ni/MX750Ni
18
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 MODE” is displayed on the liquid crystal
element.
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 liquid crystal element, or press the [
M L
TUNE
+] button to outside track and the message “SLED OUT” is
displayed on the liquid crystal element.
5. Press the [
u
] button, “LD ON” or “LD OFF” is displayed on
the liquid crystal element. Each time [
u
] button is pressed,
laser diode on/off is changed over.
Releasing method:
Press the [
?
/
1
] button to turn off the system.
CD SERVO TEST MODE
This mode can check the servo system operations of the optical
pick-up system (= optical unit + 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 rough”,
“SBAD fi ne”, “SBBT fi ne”, “DT-GI fi ne”, “DSPcomcnt”, and
“DECcomcnt” 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 CURVE”.
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 CURVE) (LD ON)
RAM Read Mode Disc Type value indication
(bdtRAM READ) (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 WRITE) (00 SPG_Mask) (Non mask:00, Mask:01)
Fix RF Gain value edit
(00 FixRFgain) (Non Fix:00, AL Fix:01, RW Fix:02)
TMAX ON value edit
(00 tmaxon)
Driver Mute OFF value edit
(00 d_muteoff) (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 RATE) (0000000000)
LOG Read Mode value indication
(bdtLOG READ) (XX: YYYYYY: ZZZZ)
XX: LOG Number
YYYYYY: Communication LOG
ZZZZ: LOG Number
LOG Initialize Mode Initializetion Initialization execution
(bdtLOG INIT) confirmation (INIT done)
indication
(INIT sure?)
Higher layer Lower layer of menu hierarchy