D-CS901
SECTION 4
TEST MODE
The following confirmation can be performed when the Test ModeY FOLDER + / FOLDER � button
is set.Motion of the optical pick-up (to outside or inside)
4-1. How to set the Test Mode.Y DISPLAY button
To set the Test Mode, the following method is available.Error rate signal out
1) Confirm the set is not powered on.By each pressing the DISPLAY button error rate or spindle
2) Confirm the following settings.speed is displayed.
CD DOOR OPEN switch (S801) ... OFF
Solder Tap (TAP2 )... OPENDISPLAY
HOLD switch (S804)... OFF
G-PROTECTION switch (S802) ... 1
3) Short the solder tap TAP1 (TEST) on the MAIN board.Err
4) Turn on the main power.
4-2. How to cancel the Test Mode
1) Turn off the power.
2) Open the solder tap TAP1 (TEST) on the MAIN board.
Note: The solder should be removed clean.001 00 01
Y Refer to Page 10 � MAIN BOARD (side A) �
4-3. Operation when the Test Mode is set.
When the Test Mode becomes active, following messages are
displayed on the LCD.Y . button
EF adjustment
CLV automatic mode
DISPLAYTracking/Sled servo off
CS 032
Test ModeDISPLAY
version display
EF
00 00
All lit
(Test Mode)Y SOUND button
Automatic gain adjustment
DISPLAY
4-4. Operations by buttons in the Test Mode.
The following confirmations can be performed by operating buttons.AUTO GA
[Operation when a CD is not placed in the CD player]00 00
Y FOLDER + / FOLDER � button
Motion of the optical pick-up (to outside or inside)
Note : Be sure to keep your eyes apart from the direct emission of
the Laser diode.Y REPEAT/ENTER button
Do not move the optical pick-up over outermost or innermost.Tracking gain up mode
Tracking gain normal mode (Brake off)
[Operation when a CD is placed in the CD player]
Procedure:DISPLAY
1) Confirm the set is not powered on.
2) Keep short the solder tap TAP1 (TEST) on the MAIN board.GA UP
3) After turning on the power, set a CD in the player.
Then press the >B button.
Tracking/Sled servo off
Focus search
Spindle servo on
DISPLAYGA NORM
00 00
(To cancel this mode, turn off the power. Then set in the Test Mode
again.)
Y x button
All servos (Focus/Tracking/Sled) off
CLV brake
Mute on
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