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D-NE004/NE005/NE0050/NE006 SECTION 1 SERVICING NOTES
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pickup block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens. LASER DIODE AND FOCUS SEARCH OPERATION CHECK During normal operation of the equipment, emission of the laser diode is prohibited unless the upper lid is closed while turning ON the S811. (push switch type) The following checking method for the laser diode is operable. � Method: Emission of the laser diode is visually checked. 1. Open the upper lid. 2. With a disc not set, turn on the S811 with a screwdriver having a thin tip as shown in Fig.1. 3. Press the u button. 4. Observing the objective lens, check that the laser diode emits light. When the laser diode does not emit light, automatic power control circuit or optical pick-up is faulty. In this operation, the objective lens will move up and down 2 times along with inward motion for the focus search.
Ver. 1.2
S811
Fig. 1 Method to push the S811
SECTION 2 GENERAL
LOCATING THE CONTROLS
This section is extracted from instruction manual.
SOUND/AVLS i (headhpones) jack
LINE OUT (European and Tourist model only) DC IN 4.5V
to an AC outlet
Headphones P MODE/ VOL +*/� OPEN HOLD (rear) GROUP Display Play mode Remaining battery power Group indicator Sound mode ./> � (group)�/+ u *(play/pause) x (stop) AC power adaptor
MP3 indicator Track number
Playing time
Bookmark
* The button has a tactile dot.
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