Read Sony SCD-X501ES Service Manual online
11
SCD-X501ES
TEST MODE
1. Entering The Test Mode
1. Entering The Test Mode
While press the [MENU] button and
. AMS >
knob, press the
[POWER] button to turn the power on and enter the test mode and
display “DIAG MODE”.
display “DIAG MODE”.
2. Operating The Test Mode
Procedure:
1. Turn the
. AMS >
knob to select the command number
(hexadecimal number) (refer to the following table for
command number).
command number).
2. Press the
. AMS >
knob to execute the selected command
item.
3. Releasing The Test Mode
Press the [POWER] button to turn the power off.
4. The Commands in 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 (*2)
ADJ FCSBIAS
Automatically adjust the focus bias
27 (*2)
FOCUS AGC
Automatically adjust the focus servo gain
31 (*2)
PI/FE OFSET
Automatically adjust the offset signal of PI, PE and TE
45 (*2)
TRACKING AGC
Automatically adjust the focus servo gain
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
SETUP
initialize (for AEP model)
8F
SETUP
initialize (for except AEP model)
Error rate display (to stop, press the
x
button)
92
ERR CHECK
for CD display “92 C1 C2 FF”
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 FF FF” (“xx” is measuring value of jitter)
B0 (*3)
FFFF
The electrical adjustment value clear
B1 (*3)
(Change value)
Writing of the electrical adjustment value
B2 (*3)
(Change value)
Confirm of the electrical adjustment value
*2) Not used in servicing
*3) Only softwere version of the system 1.24 or later
*3) Only softwere version of the system 1.24 or later
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