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Servicing Note - Sony HCD-DZ11O Servise Manual

Super audio cd/dvd receiver.
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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 pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
DISC TRAY LOCK
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Setting Procedure :
1. Press the ?/1 button to turn the set on.
2. Press the [FUNCTION] button to set DVD function.
3. Insert a disc.
4. Press the
x
button and the
seconds.
5. The message "LOCKED" is displayed and the tray is locked.
TE
L 13942296513
Releasing Procedure :
1. Press the
x
button and the
seconds again.
2. The message "UNLOCKED" is displayed and the tray is
unlocked.
Note:
When "LOCKED" is displayed, the tray lock is not released by
turning power on/off with the ?/1 button.
Note on MAIN board replacement
New part of EEP ROM (IC1103) on the MAIN board cannot be used.
Therefore, if the mounted MAIN board (A-1144-739-A, etc.) is replaced,
exchange new EEP ROM (IC1103) with that used before the replacement.
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SERVICING NOTE

A
button simultaneously for five
A
button simultaneously for five
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HCD-DZ110/DZ111/DZ120/DZ120K
SECTION 1
2 9
8
Self-diagnosis Function
(When letters/numbers appear in the
display)
When the self-diagnosis function is activated to
prevent the system from malfunctioning, a 5-
character service number (e.g., C 13 50) with a
combination of a letter and 4 digits appears on
the screen and the front panel display. In this
case, check the following table.
C:13:50
First 3
Cause and/or corrective action
characters of
the service
number
C 13
The disc is dirty.
,Clean the disc with a soft cloth
C 31
The disc is not inserted correctly.
,Restart the system, then re-insert
the disc correctly.
E XX
To prevent a malfunction, the
system has performed the self-
(xx is a number)
diagnosis function.
,Contact your nearest Sony
dealer or local authorized Sony
Q Q
3
6 7
1 3
1 5
service facility and give the 5-
character service number.
Example: E 61 10
When displaying the version
number on the screen
When you turn on the system, the version
number [VER.X.XX] (X is a number) may
appear on the screen. Although this is not a
malfunction and for Sony service use only,
normal system operation will not be possible.
Turn off the system, and then turn on the system
again to operate.
VER.X.XX
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
5

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Hcd-dz111Hcd-dz120Hcd-dz120k

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  • saber saleh Jun 23, 2018 08:04:
    السلا​م عليكم عندي جهاز نظام مسرح يحتاج صيانه هاتفي ٠٥٥٦٢​٦٦٠٧٦