Service Manual
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ORDER NO.AD0107130C8
DVD/Video CD/CD changer
• SL-DV250
Colour |
|
(S).................... |
Silver |
Areas |
|
EE.................... |
Russia. |
GCS................. |
Southeast Asia. |
GN.................... |
Oceania |
Brand name |
|
Technics... |
(EE, GN) areas |
Panasonic... |
(GCS) area |
System:SC-DV250
Because of unique interconnecting cables, when a component requires service, send or bring in the entire system.
Note: Refer to the service manual for Model No.SADV250 (ORDER NO.AD0107129C8) for information on“ACCESSORIES” and“PACKAGING”.
• Disc played DVD-Video disc
CD (CD-DA, VIDEO-CD) CD-R/RW disc
• Audio
Number of channels
• Video Signal system
Output level (75Ω) Composite video S-video Y S-video C
•Pick up Beam source
Wavelength
• General
Dimensions (W×H×D):
Specification
8/ 12cm single-sided, single-layer 8/ 12cm single-sided, double-layer 8/ 12cm double-sided, double-layer (one layer perside)
8/ 12cm discs 8/ 12cm discs
5.1 (FL, FR, SL, SR, C, SW)
PAL 625/50, PAL 525/60, NTSC
1Vp-p (75Ω) 1Vp-p (75Ω)
0.3Vp-p (75Ω) (PAL) 0.286Vp-p (75Ω) (NTSC)
Semiconductor laser 658/790 nm
293×89×288 mm
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6.1 Self-diagnosis
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The optical pickup self-diagnosis function and tilt adjustment check function have been included in this unit. When repairing, use the following procedure for effective Self-diagnosis and tilt adjustment.Be sure to use the self-diagnosis functionbefore replacing the optical pickup when "NO DISC" is displayed. As a guideline, you should replace the optical pickup when the value of the laser drive current is more than 55.
Note:
Press the power button to turn on the power, and check the value within three minutes before the unit warms up. (Otherwise, the result will be incorrect.)
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7.1 Self-diagnosis Function and Service Modes
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7.2 Service mode table
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Pressing various button combinations on the player and remote control unit can activate the service modes.
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7.3 ADSC Internal Ram Data Display
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7.4 Sales demonstration lock function
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This function prevents discs from being lost when the unit is used for sales demonstrations by disabling the disc eject function. "LOCKED" is displayed on the unit, and ordinary operation is disabled.
7.4.1 Setting
7.4.2 Cancellation
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7.4.1 Setting
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The sales demonstration lock is set by simultaneously pressing “STOP” button on the player and “PLAY” button on the remote control unit.
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7.4.2 Cancellation
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The lock can be cancelled by the same procedure as used in setting. ("UNLOCKED" is displayed on cancellation. Disconnecting the power cable from power outlet does not cancel the lock.)
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