AVD-C70ES
Ver 1.2
SECTION 1
SERVICING NOTES
DISC TRAY LOCK
NOTES ON HANDLING THE OPTICAL PICK-UPThe disc tray lock function for the antitheft of an demonstration
BLOCK OR BASE UNITdisc in the store is equipped.
The laser diode in the optical pick-up block may suffer electro-
static break-down because of the potential diffReleasing Prerence generoceduratede:
by the charged electrostatic load, etc. on clothing and the human1. Press two buttons of [FUNCTION ]� and [ PREV].
body.simultaneously.
During repair, pay attention to electrostatic break-do2. The message OUNLOCKED� is displayed and the tray iswn and also
use the procedure in the printed matter which is included in theunlocked.
repair parts.
The flexible board is easily damaged and should be handled withNote:When OLOCKED� is displayed, the tray lock is not released
care.by turning power on/off with the [POWER] button.
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
pick-up block. Therefore, when checking the laser diode emis-
sion, observe from more than 30 cm away from the objective lens.
JIG ON REPAIRING
W hen repairing this set, etc., connect the extension cable as the
figure shown below.
RF board
J-2501-217-A
DVD board
5 |
ACEC
