JVC KW-NT1J Service Manual page 21

4.7 DVD check mode
Command
Normal Play Start at normal speed
(After start, jitter is measured by an inner position.)
EF OUT Tr. Off Tracking off the outermost position of CD
EF IN Tr. Off Tracking off the innermost position of CD
CD Laser On CD_LD lights and laser current is displayed.
DVD Laser On DVD_LD lights and laser current is displayed
DVD ×1 jitter measuring mode
DVD×1 Jitter
(for use in mechanism adjustment)
EEPROM Disp Contents of EEPROM is displayed.
EEPROM Clr Contents of EEPROM is initialized.
Temperature Temperature indication
Search & Jitter The search and jitter measurement to an appointed position of DVD. Position measured with VT-501 jitter value
Monitor Monitor terminal setting
Play Play
Stop Disc stopped, LD-OFF
Open Eject
* Cancellation DVD check mode: ACC off.
4.8 Running mode
Indication
Running Mode 1 Not use
Running Mode 2 Not use
Running Mode 3 DVD+Door mecha running1
Running Mode 4 DVD+Door mecha running2
Running Mode 5 DVD+Door mecha running3
Running Mode 6 DVD+Door mecha running4
Running Mode 7 DVD+Door mecha running5
Running Mode 8 DVD+Door mecha running6
* Cancellation of running mode 3 to 8 : ACC off
* The number of count and an error cord are displayed in running.
Playback contents in a running mode
• CD
The first track is played for 30 seconds. → The last track is played for 30 seconds.
• DVD
2layer disc (Pit disc)
Title 1 (the L0 layer internal circumference) is played for 30 seconds. → Title 12 (L0 layer circumference) is played for 30 seconds.
→ Title 24 (L1layer internal circumference) is played for 30 seconds.
2layer disc (Recordable disc)
Title 1 (the L0 layer internal circumference) is played for 30 seconds. → Title 13 (L0 layer circumference) is played for 30 seconds.
→ Title 24 (L1layer internal circumference) is played for 30 seconds.
1layer disc
First chapter of title 1 is played for 30 seconds. → The last chapter of title 1 is played for 30 seconds.
Mechanism unit operation
Explanation
Loading → Eject → Wait for 5 seconds
Loading → Eject → Wait for 5 seconds
Loading → Playback → Eject → Wait for 5 seconds
Loading → Playback → Eject → Wait for 5 seconds
Loading → Playback → Eject → Wait for 5 seconds
Loading → Playback → Eject → Wait for 5 seconds
(The last track is played in the case of less than till the last for 30 seconds.)
Laser current value, jitter value
For EF phase error
For EF phase error
Laser current value, jitter value
Laser current value, jitter value
Laser current value, jitter value
EEPROM address
EEPROM contents
EEPROM address
EEPROM contents
Temperature is displayed in hex numbers.
Not displayed.
Not displayed.
Not displayed.
Operation contents of 1 cycle
Indication contents
In mecha In disc
error error
Stop -
Retry -
Stop Stop
Retry Stop
Stop Retry
Retry Retry
(No.MA453<Rev.003>)1-21