Sony DAV-DZ820KW / HCD-DZ820KW Service Manual ▷ View online
5
HCD-DZ820KW
CN3002
MAIN BOARD
POWER BOARD
CN902
RED
BLACK
C903
C939
C933
C932
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 : 600V
C932, C933, C939, CN902 : 30V
C903 : 600V
C932, C933, C939, CN902 : 30V
MAIN board
CN3002 : 30 V
CN3002 : 30 V
(Parts face side)
(Parts face side)
*
Connect the specified resistor
between black and red leads
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.
it in the direction of the arrow.
disc tray
tapering driver
6
HCD-DZ820KW
Fix the capacitors with adhesive agent as follows
Fixing the capacitors with adhesive agent is required by the safety regulation.
Be sure to fix the capacitors with adhesive agent when part or circuit board is replaced.
Be sure to fix the capacitors with adhesive agent when part or circuit board is replaced.
POWER BOARD
C910
C924
IC921
C930
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.)
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.)
7
HCD-DZ820KW
JACK board
BUTTON BASE
(PLAY)
(PLAY)
CAP (POWER)
wire (flat type)
13core (CNP802)
13core (CNP802)
six screws (+BVTP 2.6)
two screws
(+BVTP 2.6)
(+BVTP 2.6)
BUTTON BASE (POWER)
SW board
CAP (PLAY)
CAP (AMS)
CAP (FUNC)
Precaution when replacing the CAP
Please apply the adhesive agent to the BUTTON BASE (PLAY) when replacing the CAP (PLAY) or CAP (FUNC) or CAP (AMS).
Please apply the adhesive agent to the BUTTON BASE (POWER) when replacing the CAP (POWER).
Please apply the adhesive agent to the BUTTON BASE (POWER) when replacing the CAP (POWER).
8
HCD-DZ820KW
• MAIN board service position
• DMB12 board service position
I/O SCART board
DIAT-TX board
DMB12 board
MAIN board
CN701
CN651
Extension cable
J-2501-242-A
(1mm/11pin/L300)
J-2501-242-A
(1mm/11pin/L300)
Extension cable
J-2501-242-A
(1mm/11pin/L300)
J-2501-242-A
(1mm/11pin/L300)
CN4501
CN801
insulation sheet
Extension cable
J-2501-242-A
(1mm/11pin/L300)
J-2501-242-A
(1mm/11pin/L300)
DMB12 board
MAIN board
CN4501
CN701
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