SONY TV/WEATHER/FM/AM CD CLOCK RADIO _ ICF-CD843V_DISASSEMBLE_Optical Pickup Check Procedure.
During normal operation of the equipment, emission of the laser diode is prohibited unless the upper lid is closed while turning ON the S302. (Push switch type)
The following checking method for the laser diode is operable.
Emission of the laser diode is visually checked.
* Open the upper lid.
** Push the S302 as shown in Fig. Note: Do not push the detection lever strongly, or it may be bent or damaged.
*** Press the CD ►|| button.
Check the object lens for confirming normal emission of the laser diode. If not emitting, there is a trouble in the automatic power control circuit or the optical pick-up. In this operation, the object lens will move up and down [2] times along with inward motion for the focus search.
REAR CABINET
CD LID
UPPER CABINET ASSY'
MAIN BOARD
CD BLOCK & OPTICAL PICKUP
CLICK ON THE PICTURES TO ZOOM IN