Sony SLV-E120AE / SLV-E220AE / SLV-E220UY / SLV-E220VP1 / SLV-E220VP2 / SLV-E270CP / SLV-E270VC1 / SLV-E270VC2 / SLV-E280CP / SLV-E280UX / SLV-E280VC1 / SLV-E280VC2 Service Manual ▷ View online
2-2
3
8
5
7
8
4
7
6
Cassette Tray
Chassis
Lid Opener Lever
Holder
Terminal Board
(B)
(B)
(C)
(C)
(C)
(C)
(C)
(C)
Tray Lock Lever
TM-1 PWB
TM-2 PWB
Fig. 1-1-2
A
B
Chassis
TM-1 PWB
TM-2 PWB
VP-1 PWB Assembly
Mechanism Main Unit
Clamps (D)
CP-1 PWB Assembly
Fig. 1-1-3
2-3
1-2. TEMPORARILY SETTING UP AND CONNECTING CP-1 PWB ASSEMBLY
The following is an example of how to place and connect the main board without a jig, when repairing the CP-1 PWB
assembly.
assembly.
1. Place the mechanism unit and main board up side down
as a whole on a flat surface with the foil side of the main
board facing up.
board facing up.
2. Operate the unit using the buttons on TM-1 PWB or the
remote control.
Mechanism Main Unit
Screws
9
CP-1 PWB Assembly (Foil side)
Terminal Board
Cassette Compartment
TM-1 PWB
TM-2 PWB
Fig. 1-1-4
1-3. INSTALLATION OF THE FRONT PANEL
When installing the front panel to the chassis after repaires and adjustments.
1.Pressing down the door opener lever of the mechanism
main unit.
2. Set the cassette door to half-opened state as shown in
Fig. 1-1-5, and install the front panel to the chassis.
Note:
Opened cassette door position does not install the
front panel to the chassis.
Jutted part of
Cassette Holder
Cassette Holder
Cassette Door
(Position A)
(Position A)
Cassette Door
(Position B)
(Position B)
Door Opener Lever
Front Panel
Fig. 1-1-5
E
3-1
SECTION 3
DIAGRAMS
CIRCUIT BOARDS LOCATION
CP-1 PWB Assembly
VP-1 PWB Assembly
3 in 1 Tuner
(Tuner / RF Conv.)
(Tuner / RF Conv.)
TM-1 PWB
TM-9 PWB
TM-2 PWB
SLV-E120AE/E220AE/UY/VP1/VP2/E270CP/VC1/VC2/E280CP/UX/VC1/VC2
5-1
1-1. REGULAR CHECKS AND
MAINTENANCE ITEMS
To obtain full function and maximum performance from
the set, and to stop it getting dirty or scratched, we
recommend that you carry out the following maintenance
procedures and regular checks. The maintenance checks
described in the following section should also be carried
out without fail after carrying out any repairs to the set.
the set, and to stop it getting dirty or scratched, we
recommend that you carry out the following maintenance
procedures and regular checks. The maintenance checks
described in the following section should also be carried
out without fail after carrying out any repairs to the set.
1-1-1. REGULAR CHECKS
1. MAINTAINING AND CHECKING THE MECHANISM
NOTE: OIL AND GREASE
• Always use the specified brands of oil and grease. If you
use a grease with the wrong viscosity, for example, this
can lead to all sorts of problems. Be careful to keep the
oil and grease free of dust and foreign bodies.
can lead to all sorts of problems. Be careful to keep the
oil and grease free of dust and foreign bodies.
• A “drop” of oil is the amount of oil remaining on the tip of
a rod with a diameter of 1.5mm after it is dipped in oil to
a depth of 1cm and then taken out.
a depth of 1cm and then taken out.
Fig.1-1-1
SECTION 5
ADJUSTMENTS
Clean Check
Oil
Hours of use (H)
Part maintained
500
1000
1500
2000
2500
3000
3500
4000 4500
5000
Remarks
Tape guide
ACE head, full erase head
ACE head, full erase head
Tape path
Cylinder (drum)
system
Cleaner roller assembly
Pinch roller
Reel table
Pinch roller
Reel table
Drive
Reel belt
system
Relay gear, Pulley shaft, Gear shaft
Loading motor
Back tension
Loading motor
Back tension
Perform- Brake system
ance
checks
ance
checks
FWD, REW, PLAY torque,
REV torque
REV torque
( )
( )
( )
( )
( )
( )
( )
( )
( )
The life of parts varies
enormously, depending
on the environment in
which the part is used.
enormously, depending
on the environment in
which the part is used.
Playback tension torque:
30 to 50g/cm
30 to 50g/cm
FWD: 600g/cm or over
REW: 600g/cm or over
PLAY (SP mode):
80 to I 40g/cm
REV: 120 to 220g/cm
REW: 600g/cm or over
PLAY (SP mode):
80 to I 40g/cm
REV: 120 to 220g/cm
1-1-2. CLEANING
1. Cylinder (Drum) (See Fig.1-1-1 )
1. Cylinder (Drum) (See Fig.1-1-1 )
Moisten a chamois with methyl alcohol and clean the video
head (including the Hi-Fi audio head) and the tape path
surface of the cylinder. Be sure to wipe horizontally in
relation to the video head. If you wipe vertically, or use
excessive force, you can damage the video head.
head (including the Hi-Fi audio head) and the tape path
surface of the cylinder. Be sure to wipe horizontally in
relation to the video head. If you wipe vertically, or use
excessive force, you can damage the video head.
2. Tape Path System / Reel Drive System
Clean the pinch roller, the capstan shaft, the tape guides,
the FE head, the ACE head, the reel table, the pulley and
the reel belt with a soft cloth, or chamois, moistened with
methyl alcohol.
the FE head, the ACE head, the reel table, the pulley and
the reel belt with a soft cloth, or chamois, moistened with
methyl alcohol.
Tape path surface
Video head
Cylinder
(Drum)
(Drum)
SLV-E120AE/E220AE/UY/VP1/VP2/E270CP/VC1/VC2/E280CP/UX/VC1/VC2
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