CFD-V3/V7/V7L
SECTION 1
SERVICING NOTES
NOTES ON HANDLING THE OPTICAL PICK-UPLASER DIODE AND FOCUS SEARCH OPERATION
CHECK
BLOCK OR BASE UNIT1. Press CD open knob.
2. Open the lid for CD.
The laser diode in the optical pick-up block may suffer electro-
static breakdown because of the potential difference generated3. Push on SWITCH (S801) as following figure.
by the charged electrostatic load, etc. on clothing and the human4. Confirm the laser diode emission while observing the
body.objecting lens. When there is no emission, Auto Power
During repair, pay attention to electrostatic breakdown and alsoControl circuit or Optical Pick-up is broken.
Objective lens moves up and down once for the focus
use the procedure in the printed matter which is included in thesearch.
repair parts.
The flexible board is easily damaged and should be handled
with care.Insert a precision
screw driver and push
NOTES ON LASER DIODE EMISSION CHECKSWITCH (S801)
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
pick-up block. Therefore, when checking the laser diode
emission, observe more than 30 cm away from the objective
lens.
CHUCK PLATE JIG ON REPAIRING
On repairing CD section, playing a disc without the CD lid, use
Chuck Plate Jig.
Y Code number of Chuck Plate Jig : X-4918-255-1
3 |
ACEC
