Sony SCD-C2000ES Service Manual
SCD-C2000ES
SERVICE MANUAL
Ver. 1.1 2005.05
SUPPLEMENT-1
Subject: TEST MODE and ELECTRICAL ADJUSTMENT
US Model
Canadian Model
9-879-094-81
SCD-C2000ES
SECTION 1
TEST MODE
1. Setting Method of The Test Mode
While press [MENU] and l AMS L dial, press the [POWER] button to turn the power on and enter the Test Mode and display “DIA G
MODE”.
2. Operating The Test Mode
Procedure:
1. Turn the l AMS L dial to select the command number (hexadecimal number) (refer to the following table for command
number).
2. Press the l AMS L dial to execute the selected command item.
3. 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
17 SSRV ON/OFF Turn on/off the spindle CLV servo, when all servo of focus servo, tracking servo
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 SET UP Initialization (factory set up) (AEP model) (*2)
8F SET UP Initialization (factory set up) (EXCEPT AEP model) (*2)
92 ERR CHECK Error rate display (to stop, press the x button)
93 WATER MARK WaterMark display
9D PLAY&RFD ON Measuring the jitter (to stop, press the x button)
B0 RAM clear Electric adjustment value is clear (*3)
B1 Writing Electric adjustment value is writing (*3)
B2 Check writing data Electric adjustment value is checking (*3)
*1) Not used in servicing
*2) After the all work end, set up for factory default.
*3) The Commands in Automatic Electrical Adjustments
(Use the commands When The system version number is ver1.24 and higher)
Turn on/off the spindle CLV servo, when both focus servo and tracking servo are on
and spindle servo are on
for CD display “92 C1 C2 0xff”
for SA-CD display “92 PI1 PO PI2”
display “93 xxxx” (“xxxx” is value of pspamp)
display: “9D xx 0xff 0xff” (“xx” is measuring value of jitter)
2
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