Read Sony CMT-NEZ33 / HCD-NEZ33 Service Manual online
4
HCD-NEZ33
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
CHECK
During normal operation of the equipment, emission of the laser
diode is prohibited unless the upper lid is closed while turning ON
the S820. (push switch type)
The following checking method for the laser diode is operable.
diode is prohibited unless the upper lid is closed while turning ON
the S820. (push switch type)
The following checking method for the laser diode is operable.
•
Method
Emission of the laser diode is visually checked.
Emission of the laser diode is visually checked.
1. Open the upper lid.
2. Push the S820 as shown in Fig.1.
2. Push the S820 as shown in Fig.1.
Note:
Do not push the detection lever strongly, or it may be bent or damaged.
3. Press the
u
button.
4. 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.
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.
Fig.1 Method to push the S820
S820
MODEL IDENTIFICATION
– Rear View –
– Rear View –
Model Name
Part No.
Singapore model
2-665-903-0[]
Australian model
2-665-904-0[]
Taiwan model
2-665-905-0[]
Korean model
2-665-906-0[]
Part No.
SUFFIX-13/SUFFIX-14 OF PANEL BOARD
DESCRIPTION
DESCRIPTION
In this set, PANEL board has been changed in the midway of
production.
Distinguish which substrate it is referring to the figure below, and
to the repair suitable for of each.
production.
Distinguish which substrate it is referring to the figure below, and
to the repair suitable for of each.
– PANEL Board (Component Side) –
Suffix-13 : 1-869-181-13
Suffix-14 : 1-869-181-14
Suffix-14 : 1-869-181-14
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