Sony DAV-DZ20 / HCD-DZ20 Service Manual ▷ View online
5
HCD-DZ20
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 TV screen or front panel display. In this case,
check the following table.
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 TV screen or front panel display. In this case,
check the following table.
When displaying the version
number on the TV screen
number on the TV screen
When you turn on the system, the version
number [VER.X.XX] (X is a number) may
appear on the TV 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.
number [VER.X.XX] (X is a number) may
appear on the TV 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.
Self-diagnosis Function
(When letters/numbers appear in the
display)
display)
First 3
characters of
the service
number
characters of
the service
number
Cause and/or corrective action
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
(xx is a number)
To prevent a malfunction, the
system has performed the self-
diagnosis function.
system has performed the self-
diagnosis function.
,Contact your nearest Sony
dealer or local authorized Sony
service facility and give the 5-
character service number.
service facility and give the 5-
character service number.
Example: E 61 10
C:13:50
VER.X.XX
The lever is moved in the direction of the arrow with the thin rod.
DVD lid
How to open the disc table when power switch turns off
Insert a tapering driver into the aperture of the unit bottom, and slide it in the direction of the arrow.
6
HCD-DZ20
MAIN BOARD
(SIDE A)
IC3250
IC3100
IC3300
IC3150
TP3053
800
Ω
/2W
TP3054
IC3200
IC3400
Point of discharge for
TP3053 and TP3054
TP3053 and TP3054
R912
R913
FR901
FR902
C903
T901
MAIN BOARD
(SIDE B)
800
Ω
/2W
Point of discharge for
FR902 and R913
(Mexican model)
FR902 and R913
(Mexican model)
Point of discharge for
FR901 and R912
(Except Mexican model)
FR901 and R912
(Except Mexican model)
Prevention of electric shock and damage to IC
When disassembling the machine, be sure to discharge the charged electricity in the below point.
Use a resistor of 800 ohms, 2 Watts for discharging.
Use a resistor of 800 ohms, 2 Watts for discharging.
7
HCD-DZ20
MAIN board service position
Please take the above-mentioned position in the repair of MAIN board.
In that case, it is necessary the following extension cable during CN801 on FL board and CN509 on MAIN board.
In that case, it is necessary the following extension cable during CN801 on FL board and CN509 on MAIN board.
CN509
extension cable
jig P/N: J-2501-231-A
jig P/N: J-2501-231-A
(pitch 1.00 mm/15p/300L)
Note on replacement of C803, C802, L801, and L802
Please fold in the directtion of the arrow and set up at replacement of C803, C802, L801, and L802 on FL board.
L801
L802
C803
+
–
Precaution when installing a new OP unit /
Precaution before unsoldering the static electricity prevention solder bridge
Precaution before unsoldering the static electricity prevention solder bridge
When installing a new OP unit, be sure to connect the flexible printed circuit board first of all
before removing the static electricity prevention solder bridge by unsoldering.
Remove the static electricity prevention solder bridge by unsoldering after the flexible printed
circuit board has already been connected.
(Do not remove nor unsolder the solder bridge as long as the OP unit is kept standalone.)
before removing the static electricity prevention solder bridge by unsoldering.
Remove the static electricity prevention solder bridge by unsoldering after the flexible printed
circuit board has already been connected.
(Do not remove nor unsolder the solder bridge as long as the OP unit is kept standalone.)
8
HCD-DZ20
SECTION 2
GENERAL
Front panel
A "
/
1
(on/standby) (18)
B A
(open/close) (18)
C
Disc operation (18)
D
FUNCTION (18)
E
Front panel display (78)
F
(remote sensor) (8)
G
VOLUME control (18)
H
Disc tray (18)
R
AEP, UK MODEL
EXCEPT AEP, UK MODEL
ear panel
A
SPEAKER jacks (9)
B
EURO AV
T
OUTPUT (TO TV) jack (9)
C
AM terminal (9)
D
COAXIAL FM 75
Ω
jack (9)
SPEAKER
ANTENNA
FRONT R
FRONT L
SUR R
SUR L
CENTER
WOOFER
EURO AV
OUTPUT(TO TV)
COAXIAL
AM
FM75
A
SPEAKER jacks (9)
B
TV/VIDEO (AUDIO IN R/L) jacks (21)
C
MONITOR OUT (S VIDEO/VIDEO) jacks
(18)
(18)
D
AM terminal (9)
E
COAXIAL FM 75
Ω
jack (9)
F
COMPONENT VIDEO OUT jacks (18)
SPEAKER
ANTENNA
COMPONENT VIDEO OUT
FRONT R
FRONT L
SUR R
SUR L
CENTER
WOOFER
TV/VIDEO
MONITOR OUT
COAXIAL
AM
FM75
R
L
AUDIO IN
(DVD ONLY)
Y
P
B
/C
B
P
R
/C
R
VIDEO
(DVD ONLY)
S VIDEO
This section is extracted
from instruction manual.
from instruction manual.
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