2
SCD-XE597
1. DIAG MODE of The Test Mode
While press
[MENU]
and
[PUSH ENTER]
buttons, press the
[POWER]
button to turn the power on and enter the Test Mode and display “DIAG
MODE”.
2. Operating The Test Mode
Procedure:
1. Turn the
l
AMS
L
knob to select the command number (hexadecimal number) (refer to the following table for command
number).
2. Press the
[PUSH ENTER]
button to execute the selected command item.
3. The Commands in Test Mode
SECTION 1
TEST MODE
Command No.
Command name
Item
12
LD ON/OFF
Turn on/off the laser diode
13
SPIN ON/OFF
Turn on/off the spindle motor
14
FSRV ON/OFF
Turn on/off the focus servo
15
TSRV ON/OFF
Turn on/off the tracking servo
16
CLV ON/OFF
Turn on/off the spindle CLV servo, when both focus servo and tracking servo are on
17
SSRV ON/OFF
Turn on/off the spindle CLV servo, when all servo of focus servo, tracking servo
and spindle servo are on
18
ALL SRV ON
Turn on all servo
19
ALL SRV OFF
Turn off all servo
1A
DISC STOP
Stop the disc rotation (useful as overdrived)
24
ADJ FCSBIAS
Automatically adjust the focus bias (
*
1)
27
FOCUS AGC
Automatically adjust the focus servo gain (
*
1)
31
PI/FE OFSET
Automatically adjust the offset signal of PI, PE and TE (
*
1)
45
TRACKING AGC
Automatically adjust the focus servo gain (
*
1)
61
DISC DETECT
Judge the disc type (when SA-CD, “SL” or “DL” is displayed)
7C
FJUMP TEST
Focus jump test mode
81
SYSTEM VERSION
Display the version of system microcomputer for 2 seconds
82
I/F VERSION
Display the version of IF microcomputer for 2 seconds
8D
CEL
Initialization
8F
U&OTHERS
Initialization
92
ERR CHECK
Error rate display (to stop, press the x button)
for CD display “92 C1 C2 0xff”
for SA-CD display “92 PI1 PO PI2”
93
WATER MARK
WaterMark display
display “93 xxxx” (“xxxx” is value of pspamp)
9D
PLAY&RFD ON
Measuring the jitter (to stop, press the x button)
display: “9D xx 0xff 0xff” (“xx” is measuring value of jitter)
*1) Not used in servicing
4. The Commands in Automatic Electrical Adjustments
(Use the commands When The system version number is ver1.24 and higher)
Command No.
Item
B0
RAM clear
B1
Writing
B2
Check writing data
