Step Operating Procedure Micro-controller operation, processing, etc.
6 Clear recorded error content by pressing the [STOP]
button for 5 seconds or more while stopped in the self-
diagnostic mode.
Recorded error content is cleared and the following is shown on the
front display panel:[CLEAR] is displayed for one second followed by
areturnto[T_______]
7 Cancel self-diagnostic mode by pressing the [POWER]
button.
Power is turned off. At the next power on normal operation will
resume.
* If an error occurs while checking the RAM during a micro-controller reset all recorded error detection content will be cleared
while initializing the RAM.
* By skipping step 4 of the above procedure and moving directly to step 6 it is possible to just display the self-diagnostic codes.
* Example display
* Self-Diagnostic Codes
No. Error Display Error Item Detection Method
1 H15 OPEN SW error If there is a failsafe for a SW error that occurs during normal
operation it will be recorded and displayed in self-diagnostic
mode.
2 H16 CLOSE SW error SW errors will be detected even in error detection mode.
3 H16 UP SW error
4 H17 DOWN SW error
5 H27 POSITION SW error
7 F28 DISC mount error
8 F29 DISC unmount error
* While stopped in conditions 3 or higher above it is possible to start a CR20 continuous test. Described in detail seperately.
3. Analog Device (AD) input value display
* Pressing the [PAUSE] button on the main unit after having entered self-diagnostic mode through SELECTOR [DVD/CD] will
show the analog device conversion input value on the front display panel.
* Each time the button is pressed the value will be read again and the display refreshed.
* Front display Panel:
AD Input Usage
AN 0 Key 1 input : Key input 1
AN 1 Key 2 input : Key input 2
AN 2 Key 3 input : Key input 3
AN 3 MK_IN1 : DECK input 1
AN 4 MK_IN2 : DECK input 2
•
Exit the Analog Device input value display mode by cutting off the AC power source and next time could start the device.
4. DVD/CD module
Step Operating Procedure Micro-controller operation, processing, etc.
1 Set the SELECTOR to CD/DVD
2 While pressing the [STOP] button on the main unit press
[0] button on the remote control
See the “DVD/CD/ Changer Control” section of “Error Display” for a
detailed explanation.
* Since error detection for the DVD/CD module occurs in the system component and is sent through the mechanism component
codes are received and displayed at the operating console.
* Since self-diagnostic codes for the DVD/CD module duplicate prior audio codes the self-diagnostic codes are displayed
prefixed by “DVD”.
* Self-Diagnostic Codes
10
SA-DK20