JVC KD-DV5000, Service Manual

Page: 27 / 30

(No.49879)1-27
„
DVD unit check mode
(1) Select "CHECK MODE" in the service mode.
(2) Various check modes can be displayed according to the key operations.
(Cautions for Operation)
• Press key [1] of No. 1 before an item in which the No. 2 or 3 key is pressed.
• Press key [6] of No. 6 before an item in which one of the No. 10, 11 or 12 keys is pressed.
• The check mode can be exited either by pressing the [POWER] key or by resetting the unit.
Check item list
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
[1]
[2]
[3]
[4]
[5]
[6]
[F-SKIP]
[B-SKIP]
[SRC]
[MODE]
[DISP]
[TI]
[DISC UP]
[DISC DOWN]
When disc is
opened
or [TEST8]
When disc is
closed
Disc startup and through playback
(Playback starts from the start position)
Tracking on the outermost position of CD
Tracking on the innermost position of CD
CD_LD lights and laser current is displayed
DVD_LD lights and laser current is displayed
DVD x1 jitter measuring mode
(for use in mechanism adjustment)
Contents of EEPROM used by mechanism
(0x00 - 0xFF displayed (FWD))
Contents of EEPROM used by mechanism
(0x00 - 0xFF displayed (BWD))
Initialization of EEPROM contents used by
the mechanism
Search & jitter measurement of the specified
position of DVD-SL
Search & jitter measurement of the specified
position of opposite disc of the DVD-DL
Search & jitter measurement of the specified
position of parallel disc of DVD-DL
Disc playback
Disc stopped & LD-OFF
OPEN
CLOSE
[__CHECK__]
[OUT_TROFF]
[IN_TROFF]
[ ]
[ ]
[ ]
[ ]
[ ]
[_____]
[ ]
[ ]
[ ]
[ ]
[__CHECK__]
[__CHECK__]
[__CHECK__]
CHECK display remains
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
No display
: 0x00-0x02
(Position measured with VT-502)
: Jitter value
: 0x00-0x06
(Position measured with VT-501)
: Jitter value
: 0x00-0x06
(Position measured with VT-501)
: Jitter value
: Laser current value
: Jitter value
CHECK display remains
CHECK display remains
CHECK display remains
No. A/D key
DVD unit operation
Indicated
on the LCD
Remark