Sony HCD-MX700Ni Service Manual page 18

HCD-MX700Ni/MX750Ni
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 [ / ] button to turn the power on.
? 1
2. Press the [FUNCTION] button to select "CD".
3. Press three buttons of [
x
message "SERVICE MODE" is displayed on the liquid crystal
element.
4. Press the [ TUNE –] button to move the optical pick-
l m
up to inside track and the message "SLED IN" is displayed
on the liquid crystal element, or press the [
+] button to outside track and the message "SLED OUT" is
displayed on the liquid crystal element.
5. Press the [ ] button, "LD ON" or "LD OFF" is displayed on
u
the liquid crystal element. Each time [
laser diode on/off is changed over.
Releasing method:
Press the [ / ] button to turn off the system.
? 1
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 [ ] button to turn the power on.
?/1
2. Press the [FUNCTION] button to select CD function.
3. Press three buttons of [ ], and [
x
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 [
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 [
screen advances to the next menu or to the next mode. When [
–] 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 [
+ ] increases the value and pressing [
v
[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 [
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.
18
] and [ + ] simultaneously, the
v
TUNE
M L
] button is pressed,
u
–] simultaneously.
V
] button.
?/1
+ ] is pressed, the
v
–] decreases the value.
V
] to move up to the
x
[ ]:
u
Use this key to execute Command Out in the Command Out Mode.
CD Servo Test Mode Tree:
Higher layer
S Curve Mode
(bdt S CURVE)
RAM Read Mode
(bdtRAM READ)
RAM Write Mode
(bdtRAM WRITE)
Command Out Mode
(bdt COMOUT)
V
Error Rate Mode
(bdt ERR RATE)
LOG Read Mode
(bdtLOG READ)
LOG Initialize Mode
(bdtLOG INIT)
Lower layer of menu hierarchy
LD ON
(LD ON)
Disc Type value indication
(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)
SPG Mask value edit
(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)
COMOUT6X value edit command out
(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 indication
(0000000000)
value indication
(XX: YYYYYY: ZZZZ)
XX: LOG Number
YYYYYY: Communication LOG
ZZZZ: LOG Number
Initializetion Initialization execution
confirmation (INIT done)
indication
(INIT sure?)