Sony SLV-L44AR / SLV-L66HFAR Service Manual ▷ View online
5-2
H-7099-046-H (MH-1)
H-7099-053-H (MH-2)
H-7099-053-H (MH-2)
J-6082-044-A
J-6090-055-A
J-6082-045-A
J-6082-047-A
J-6090-014-A (EM-L30LG)
J-6082-048-A
J-6082-011-A (VHT-063S)
7-662-010-04 (SGL-505)
No. 1, 2
No. 3
No. 4
No. 5, 6
No. 7
No. 8
No. 9
No. 10
No. 11
No. 12
No. 13
No. 14
J-6090-057-A
7-661-018-18 (NT-68)
H-7099-039-H
H-7099-035-H
Fig.1-2-1
No.
Tool
Tool No.
Remarks
1
Alignment tape NTSC (MH-1)
H-7099-046-H
NTSC-NORMAL
2
Alignment tape PAL (MH-2)
H-7099-053-H
PAL-NORMAL
3
Eccentric screw driver
J-6082-044-A
Used to adjust the tape path
4
Nut box
J-6082-045-A
Used to adjust the height of the
lever load assembly
lever load assembly
5
Torque dial gauge
H-7099-039-H
Used to measure reel winding
torque
torque
6
Torque dial gauge adaptor
H-7099-035-H
Used to measure reel winding
torque
torque
7
Cassette torque meter(VHJ-063S)
J-6082-011-A
Used to measure back tension
torque
torque
8
Load lever assembly height adjustment tool
J-6090-055-A
Used to adjust the height of the
load lever assembly
load lever assembly
9
Torque gauge screwdriver
J-6082-047-A
Used to adjust the tightening torque
of screws
of screws
10
3 mm dia. bit for torque screwdriver
J-6082-048-A
Used to replace the bit of the torque
gauge screwdriver
gauge screwdriver
11
Oil
7-661-018-18
12
Grease
7-662-010-04
13
Grease
J-6090-014-A
14
Relay cables
J-6090-057-A
Relay cables of mechanism and
CP-1 PWB assembly
CP-1 PWB assembly
1-2. SERVICE TOOLS
1-2-1. SERVICE TOOLS
NOTES ON ALIGNMENT TAPES
NOTES ON ALIGNMENT TAPES
Select a PAL or NTSC alignment tape from the list below, according to the transmission system of the VCR you are
repairing.
PAL: For models with 625 scanning lines and a field frequency of 50Hz
NTSC: For models with 525 scanning lines and a field frequency of 60Hz
repairing.
PAL: For models with 625 scanning lines and a field frequency of 50Hz
NTSC: For models with 525 scanning lines and a field frequency of 60Hz
5-3
1-2-2. Using the Relay Cable (J-6090-057-A)
The mechanism can be repaired without using the relay
cable (J-6090-057-A). As shown in Fig. 1-3-1, the relay
cable (J-6090-057-A) is a tool used for relay between the
CP-1 PWB assembly and mechanism unit.
When connecting it, take note of the pin number of the
connector.
cable (J-6090-057-A). As shown in Fig. 1-3-1, the relay
cable (J-6090-057-A) is a tool used for relay between the
CP-1 PWB assembly and mechanism unit.
When connecting it, take note of the pin number of the
connector.
NOTE 1:
Do not place the mechanism upright as shown
in Fig. 1-3-1 when inserting/ejecting the cassette.
NOTE 2:
For NTSC models, be sure to connect the VM-1
PWB assembly and CP-1 PWB assembly.
Mechanism unit
CP-1 PWB assembly
VM-1 (VP-1) PWB
assembly
assembly
Relay cable:
J-6090-057-A
J-6090-057-A
Fig. 1-2-2
Fig. 2-1-1
2. AN OVERVIEW OF THE MECHANISM
2-1. NAMES OF THE MAIN PARTS
2-1-1. CASSETTE MECHANISM ASSEMBLY
Under frame
Stand L
Release lever
Lid opener spring
Pinion gear
Lock gear
Gear holder
Drive gear
Tray lock
spring
spring
Door opener
lever
lever
5-4
2-1-2. TOPVIEW
2-1-3. UNDERSIDE
Capstan motor
Pinch roller lever assembly
Pinch lift cam
Pinch lift mounting
Front rack gear
Opener mounting
Pinch cam gear
Start rack gear
Load lever assembly
Tape top sensor
L guide act lever assembly
T soft brake assembly
Take-up reel assembly
T reel gear
Cylinder (Drum)
Cleaner lever
Cleaner roller assembly
Capstan brake assembly
Audio R/P head assembly
(ACE head)
(ACE head)
T brake act slide
Clutch mounting assembly
S reel gear
S brake
assembly
assembly
T brake assembly
EP sw lever
EP switch
S soft lever
Supply reel assembly
Band brake assembly
BT spring
Tape sensor LED
BT lever assembly
Tape end sensor
Guide roller assembly
S incline mounting assembly
Full erase head
T incline mounting assembly
Guide roller assembly
Cylinder mounting
Fig. 2-1-2
Fig. 2-1-3
Stator
Rotor
T load gear
S load gear
Crescent mounting
T load lever assembly
S load lever assembly
BT spring lever assembly
MC-1 PWB assembly
Reel belt
Capstan motor
Loading motor assembly
Reel pulley
Friction gear assembly
S brake act slide
Wheel gear 2
Wheel gear 1
Worm gear assembly
Cylinder earth
assembly
assembly
Brake act lever
assembly
assembly
Harness mounting
Pinch cam gear
Mode switch (S8001)
Brake control lever
Main cam
Clutch change lever
Crescent slide
5-5
2-2. AN OVERVIEW OF THE MECHANISM MODES
2-2-1 . MECHANISM MODE SWITCHING TABLE
NOTE:
The letters and figures enclosed in circles in the mechanism mode column are the codes on the crescent slide.
FF/REW
EJECT
CASSETTE IN
IN REW
INITIAL
REVIEW
IDLER
STILL/SLOW
PLAY/STOP
BRAKE
Fig. 2-2-1
6
2
0
7
0
1
0
1
0
2
0
3
0
5
0
4
0
6
EJECT
E
Distinguished by whether the
EP switch is ON or OFF.
Horizontal shift section.
Vertical shift section.
EP switch is ON or OFF.
Horizontal shift section.
Vertical shift section.
IN REW
R
INITIAL
7
Cleaner roller assembly: ON
S/T mounting incline assembly
pressure begins.
S/T mounting incline assembly
pressure ends.
S/T mounting incline assembly
pressure begins.
S/T mounting incline assembly
pressure ends.
REVIEW
1
IDLER pos.
2
(Pinch roller OFF)
STILL/SLOW
3
PLAY/STOP
5
BRAKE pos.
4
FF/REW
6
CASSETTE OUT
(EJECT)
IN REW
(SHORT REW)
INITIAL
(POWER OFF)
The principal mode-switching states of the mechanism
Mechanism mode
HEX
DATA
When loading is carried out starting at
the CASSETTE IN position
the CASSETTE IN position
REVIEW
STILL/SLOW
REC PAUSE
REC
STOP
P LAY
CUE
REW
FF
APPEARANCE OF MODE SWITCH AND
RELATIONSHIP BETWEEN MODE POSITIONS
RELATIONSHIP BETWEEN MODE POSITIONS
MODE SWITCH OUTPUT TABLE
HEX
SW DATA
SW DATA 2
DATA
1
X
Y
Z
0
5.0V
H
H
H
5V
1
5.0V
H
H
L
0V
2
2.5V
H
L
H
5V
3
2.5V
H
L
L
0V
4
3.4V
L
H
H
5V
5
3.4V
L
H
L
0V
6
2.0V
L
L
H
5V
7
2.0V
L
L
L
0V
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