Sony DAV-DZ531W (serv.man2) Service Manual ▷ View online
5
HCD-DZ531W
Peel off the seal and so the lever is moved
in the direction of the arrow with the thin rod.
in the direction of the arrow with the thin rod.
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.
seal
disc tray
Discharge the charged electricity in capacitors to prevent electric shock as follows
When disassembling the machine, be sure to discharge the charged electricity in the following capacitors.
Use a resistor of 800 ohms, 2 Watts for discharging the following capacitors.
Use a resistor of 800 ohms, 2 Watts for discharging the following capacitors.
POWER board
C903: 390 V
C932, C933, C934, CN904: 30 V
C903: 390 V
C932, C933, C934, CN904: 30 V
MAIN board
CN3002: 30 V
CN3002: 30 V
Point of capacitor discharge for C932, C933, C934:
Connect to the red and black wire of CN904
Point of capacitor discharge for C903:
Connect to the foot of CN903
800
Ω
/2W
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HCD-DZ531W
Parts that require fixing using adhesive agent
The following parts on the POWER board must be fixed by using the adhesive agent (such as Sony Bond Master) as it is specified by Safety
Regulations. When any part or printed circuit board is replaced during repair work, be sure to confirm that the following capacitors and resistors
are fixed by using the adhesive agent (such as Sony Bond Master) without fail.
Regulations. When any part or printed circuit board is replaced during repair work, be sure to confirm that the following capacitors and resistors
are fixed by using the adhesive agent (such as Sony Bond Master) without fail.
POWER board : • C924 and R927 (refer to below fig.)
• C913 (Push down to C903 side and so fix.)
• C910 and C930 (refer to below fig.)
• EB905 side of C903
• EB905 side of C934
• C964 and C963 (refer to below fig.)
• Space between C933 and C932
• C908 and Q901 (Don’t touch IC901.)
• C910 and C930 (refer to below fig.)
• EB905 side of C903
• EB905 side of C934
• C964 and C963 (refer to below fig.)
• Space between C933 and C932
• C908 and Q901 (Don’t touch IC901.)
OK:more than 3.5mm
NG:less than 3.5mm
OK:more than 8mm
NG:less than 8mm
OK:more than 8mm
NG:less than 8mm
Don't incline C924 to outside.
POWER BOARD
C910
C924
R927
C930
C964
C963
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 CN304 on IO-SCART board and CN4301 on MAIN board.
In that case, it is necessary the following extension cable during CN304 on IO-SCART board and CN4301 on MAIN board.
jig P/N: J-2501-102-A
(pitch 1.00 mm/13p/length 300 mm)
(pitch 1.00 mm/13p/length 300 mm)
CN304
jig
MAIN board service position
CN4301
MAIN board
: • C3081 and C3082
(Bend down C3081 to C3082)
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HCD-DZ531W
Attention of the direction at replacement
Please defend and install the direction of the below fig in the following parts on the POWER board.
LF902
LF901
R912
R912
POWER BOARD
L931
mark this side
OK
NG
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.)
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.)
Note on replacement of C803, C802, L801,
and L802
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
+
–
8
HCD-DZ531W
Note on C471 and C411 on JACK board
Bend C411 and keep the distance as shown. (Fig.-1)
Confirm C471 standing straightly. (Fig.-2)
Confirm C471 standing straightly. (Fig.-2)
Distance between the C411
top and bottom:
OK: 2 mm
top and bottom:
OK: 2 mm
±
1 mm
P-SW BOARD
JACK BOARD
JACK board
CN806
C411
J402
C471
C471
C411
J402
Fig.-2
Fig.-1
TERMINAL side
OK
NG
The wire (12P) that ties CN906 (POWER board) to CN506 (MAIN board)
Twist 1.5 circles and connect to CN906 fix wire 12P with LP as shown below.
(Must keep wire 12P away from the HEAT SINK, and can not touch it.)
(Must keep wire 12P away from the HEAT SINK, and can not touch it.)
LP501
CN906
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