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The CA-DW935M has two types of test mode: conventional CD test mode and new mechanism test mode.
1) Starting CD test mode
• Hold down the CD function key, and then plug the power cord into AC outlet: The CD test mode will start and "CD TES7"
will appear.
• Each time the CD function key is pressed thereafter, the CD test mode and mechanism test mode will alternate.
"CD TES7"
appears in CD test mode.
"MC TES7"
appears in mechanism test mode.
2) Functions in CD test mode
Mode
Operation
Display
Action
Content
Start
to start test mode CD TES7
–
–
Search
CD ----
Continuous focus search.
APC circuit check
PU lens repeats full swing.
Laser current measurement
(Note 1)
Focus error waveform check
Play
Track no. and play time
Normal play.
Focus servo
Same operation as in search
Tracking servo
mode when TOC read is
CLV servo
impossible.
Sled servo
Traverse
Track no. and play time
Playback pause status
Tracking servo OFF
Sled
CD TES7
Pickup moves to inner edge.
Sled servo
Pickup moves to outer
Mechanism operation check
circumference.
Note 1: If focus search continues for 10 minutes or more, the driver IC could generate heat and the protection circuit could
operate, resulting in no operation of CD player. In this case, turn power off, radiate heat for approx. 10 minutes, and
then restart the CD player.
3) Mechanism test mode
• The following items can be checked in the mechanism test mode:
1. Checking mechanism operation
The elevator up/down and frame/tray open/close operations can be checked.
Operation to be checked
Operation button
Display
Elevator going up
E UP
Elevator going down
E DO
Frame opening
CD1 OPEN/CLOSE button
F OP
Frame closing
CD2 OPEN/CLOSE button
F CL
Tray opening
CD1 OPEN/CLOSE button
T OP
Tray closing
CD2 OPEN/CLOSE button
T CL
Note: When the elevator is at the top position, the frame will open or close, and when it is at positions other than top, the tray
will open or close.
TEST MODE
