Sony CDX-V4800 Service Manual ▷ View online
7
CDX-V4800
• CH model
L
REAR
FRONT
VIDEO OUT
AUDIO OUT
R
VIDEO OUT
AUDIO OUT
REAR
*
2
AUDIO OUT
FRONT
*
1
RCA pin cord (not supplied)
*
2
AUDIO OUT can be switched SUB or
REAR. For details, see the Operating
Instructions.
Instructions.
*
3
For details on connecting to the
parking brake switch cord, and
attaching the tap 8, see “Connecting
the parking cord” on the reverse side.
attaching the tap 8, see “Connecting
the parking cord” on the reverse side.
7
AMP REM
*
1
*
1
from car aerial
Fuse (10 A)
Blue/white striped
Max. supply current 0.3 A
Left
Left
Right
Right
Black
White
Light green
White/black striped
Red
Grey
Grey/black striped
Green
Green/black striped
ANT REM
Max. supply current 0.1 A
Blue
Yellow
Purple
Purple/black striped
8
*
3
4
2
3
5
6
1
*
1
*
1
*
2
*
3
8
1
2
3
•
•
4
5
•
•
6
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Connection diagram
1
To a metal surface of the car
First connect the black earth lead, then connect the yellow
and red power input leads.
and red power input leads.
2
To the parking brake switch cord
Be sure to connect the parking cord (light green) to the
parking brake switch cord. The mounting position of the
parking brake switch cord depends on your car. Refer to
“Connecting the parking cord” on the reverse side and
consult your car dealer or your nearest Sony dealer for
further details.
parking brake switch cord. The mounting position of the
parking brake switch cord depends on your car. Refer to
“Connecting the parking cord” on the reverse side and
consult your car dealer or your nearest Sony dealer for
further details.
3
To the power aerial control lead or power
supply lead of aerial booster amplifi er
Notes
• It is not necessary to connect this lead if there is no power
• It is not necessary to connect this lead if there is no power
aerial or aerial booster, or with a manually-operated
telescopic aerial.
telescopic aerial.
• When your car has a built-in FM/MW/SW aerial in the rear/
side glass, see “Notes on the control and power supply
leads.”
leads.”
4
To AMP REMOTE IN of an optional power
amplifi er
This connection is only for amplifi ers. Connecting any other
system may damage the unit.
system may damage the unit.
5
To the +12 V power terminal which is
energized in the accessory position of the
ignition key switch
ignition key switch
Notes
• If there is no accessory position, connect to the +12 V
• If there is no accessory position, connect to the +12 V
power (battery) terminal which is energized at all times.
Be sure to connect the black earth lead to a metal surface
of the car fi rst.
• When your car has a built-in FM/MW/SW aerial in the rear/
side glass, see “Notes on the control and power supply
leads.”
leads.”
6
To the +12 V power terminal which is
energized at all times
Be sure to connect the black earth lead to a metal surface
of the car fi rst.
of the car fi rst.
Notes on the control and power supply leads
• The power aerial control lead (blue) supplies +12 V DC when
• The power aerial control lead (blue) supplies +12 V DC when
you turn on the tuner.
• When your car has built-in FM/MW/SW aerial in the rear/side
glass, connect the power aerial control lead (blue) or the
accessory power input lead (red) to the power terminal of the
existing aerial booster. For details, consult your dealer.
accessory power input lead (red) to the power terminal of the
existing aerial booster. For details, consult your dealer.
• A power aerial without a relay box cannot be used with this
unit.
Memory hold connection
When the yellow power input lead is connected, power will
always be supplied to the memory circuit even when the ignition
switch is turned off.
When the yellow power input lead is connected, power will
always be supplied to the memory circuit even when the ignition
switch is turned off.
Notes on speaker connection
• Before connecting the speakers, turn the unit off.
• Use speakers with an impedance of 4 to 8 ohms, and with
• Before connecting the speakers, turn the unit off.
• Use speakers with an impedance of 4 to 8 ohms, and with
adequate power handling capacities to avoid its damage.
• Do not connect the speaker terminals to the car chassis, or
connect the terminals of the right speakers with those of the
left speaker.
left speaker.
• Do not connect the earth lead of this unit to the negative (–)
terminal of the speaker.
• Do not attempt to connect the speakers in parallel.
• Connect only passive speakers. Connecting active speakers
• Connect only passive speakers. Connecting active speakers
(with built-in amplifi ers) to the speaker terminals may damage
the unit.
the unit.
• To avoid a malfunction, do not use the built-in speaker leads
installed in your car if the unit shares a common negative (–)
lead for the right and left speakers.
lead for the right and left speakers.
• Do not connect the unit’s speaker leads to each other.
Note on connection
If speaker and amplifi er are not connected correctly, “FAILURE”
appears in the display. In this case, make sure the speaker and
amplifi er are connected correctly.
If speaker and amplifi er are not connected correctly, “FAILURE”
appears in the display. In this case, make sure the speaker and
amplifi er are connected correctly.
8
CDX-V4800
SECTION 2
DISASSEMBLY
Note: This set can be disassemble according to the following sequence.
2-1.
SUB PANEL ASSY
(Page 9)
(Page 9)
2-2.
CD MECHANISM BLOCK
(Page 9)
(Page 9)
SET
2-3.
MAIN BOARD
(Page 10)
(Page 10)
2-4.
CHASSIS (T) SUB ASSY
(Page 10)
(Page 10)
2-5.
ROLLER ARM ASSY
(Page 11)
(Page 11)
2-6.
CHASSIS (OP) ASSY
(Page 11)
(Page 11)
2-8.
SL MOTOR ASSY (M902)
(Page 12)
(Page 12)
2-10. SERVO BOARD
(Page 13)
2-7.
OPTICAL PICK-UP
(Page 12)
(Page 12)
2-9.
LE MOTOR ASSY (M903)
(Page 13)
(Page 13)
9
CDX-V4800
2-2. CD MECHANISM BLOCK
Note: Follow the disassembly procedure in the numerical order given.
2-1. SUB PANEL ASSY
2
two claws
3
two claws
4
sub panel assy
1
two screws
(+PTT 2.6
(+PTT 2.6
×
6)
7
bracket (CD)
8
CD mechanism block
5
CN401 (2P)
3
6
two screws
(+PTT 2.6
(+PTT 2.6
×
4)
1
screw
(+PTT 2.6
(+PTT 2.6
×
6)
2
screw
(+PTT 2.6
(+PTT 2.6
×
6)
4
flat cable (FFC) 26P
(CN751)
(CN751)
10
CDX-V4800
2-4. CHASSIS (T) SUB ASSY
2-3. MAIN BOARD
3
MAIN board
4
insulating sheet
2
two screws
(+PTT 2.6
(+PTT 2.6
×
8)
1
three screws
(+BTT 2.6
(+BTT 2.6
×
5)
5
CN904 (2P)
5
SENSOR board
6
chassis (T) sub assy
4
claw
3
claw
2
two screws
(+P 1.7
(+P 1.7
×
2.2)
1
two screws
(+P 1.7
(+P 1.7
×
2.2)
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