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MICRO MV MECHANICAL ADJUSTMENT MANUAL 1
Ver 1.0 2002. 01
V MECHANISM
Please use this manual with the service manual of the respective models.
DIGITAL MECHANISM DECK
TABLE OF CONTENTS
1. Preparing for Check, Adjustment and Parts 5. Adjustment
Replacement of Mechanism Block 5-1. Tension Regulator FWD Position Adjustment ················· 34
1-1. Service Jigs and Tools ························································ 3 5-2. FWD BT (Back Tension) Adjustment ······························ 35
1-2. Simple MSW Jig Operating Procedure ······························ 5 5-3. Tape Path Adjustment ······················································· 36
1-2-1. Overview ············································································ 5 3-1. Adjustment preparation ···················································· 36
1-2-2. Connection Method ···························································· 5 3-2. TG2/TG5 Guide Coarse Adjustment ································ 37
1-2-3. Operation ············································································ 6 3-3. TG1/TG6 Guide Coarse Adjustment ································ 38
3-4. TG2 Guide Adjustment ···················································· 38
2. Periodic Inspection and Maintenance 3-5. TG5 Guide Adjustment ···················································· 39
2-1. Drum Assy Cleaning ·························································· 7 3-6. TG1 Guide Adjustment ···················································· 39
2-2. Tape Path System Cleaning ················································ 7 3-7. TG6 Guide Adjustment ···················································· 40
2-3. Periodic Inspection List ······················································ 8 3-8. Check upon Completion of Adjustment ··························· 41
3. Before starting the Replacement, 6. Exploded View
Check and Adjustment Work 6-1. OVERALL MECHANISM DECK SECTION (V100) ···· 42
3-1. Handling Drum Assy 6-2. LS CHASSIS SECTION ·················································· 43
(on Mechanism Deck in which Drum Assy is installed) ···· 9 6-3. MECHANISM CHASSIS SECTION ······························ 44
3-2. Adjusting the Phase ···························································· 9
7. Schematic Diagram ················································· 45
4. How to Confirm Mechanism Block
and to Replace Parts 8. Printed Wiring Board ·············································· 46
4-1. Flow Chart of Parts Replacement ····································· 10
4-2. M Cover (MOLD), Drum Assy ········································ 11
4-3. Drum Base Block Assy ····················································· 12
4-4. Cassette Compartment Assy ············································· 13
4-5. LED Base Assy ································································· 14
4-6. Gooseneck Gear Assy, T-reel Table Assy ························· 15
4-7. Pinch Arm Block Assy, T-Brake Spring ··························· 16
4-8. T-Soft, S-Brake Block Assy ············································· 17
4-9. Regulator Arm Block Assy, S-reel Table Assy ················· 18
4-10. MIC (DH-037) Board, Sensor Holder S, LS Support ······ 19
4-11. LS Chassis Block Assy ····················································· 20
4-12. Tape (Top/End) Sensor, Reel (S/T) Sensor,
REC Proof Switch ···························································· 22
4-13. Rail, Coaster (S/T) Block Assy, GL (S/T) Block Assy ···· 23
4-14. EJ Lever, EJ Lever Holder ················································ 25
4-15. Conversion Gear, Relay Gear ··········································· 26
4-16. Capstan Motor ·································································· 27
4-17. RVS Brake Arm ································································ 28
4-18. Cam Gear Assy, Mode Gear Assy ···································· 29
4-19. Cam Base, Position Arm, Motor Assy (Loading),
FP-228 Flexible Board, Motor Holder ····························· 30
4-20. No. 1 Gear, No. 2 Gear, Cam Gear Assy ·························· 32
4-21. Mode Slider, Chassis Sub-Block Assy ····························· 33
--2--
1. Preparing for Check, Adjustment and Parts Replacement of Mechanism Block
Before starting check, adjustment and parts replacement of mechanism block
1) For the method of "how to remove the mechanism block" when performing check, adjustment and parts replacement of mechanism
block, refer to "How to Remove Mechanism Block" described in the mechanical adjustment manual of each model.
2) When performing check, adjustment and parts replacement of mechanism block, use the Simple MSW jig in order to facilitate the above
operations at all times. For the selection of each [ ] mode that is specified in this manual, refer to "Section 1-2. Simple MSW Jig
Operating Procedure" of this manual.
3) Disassembling, re-assembling and adjustment of the mechanism block are performed using the [ULE] mode unless otherwise specified.
1-1. Service Jigs and Tools
Ref. No. Name Part code Jig inscription Used for
J-1 Wiping cloth 7-741-900-53
Super-fine applicator
J-2 --
(made by Nippon Applicator (P752D))
J-3 FLOIL grease (SG-941) 7-662-001-39
J-4 Mirror (small oval type) J-6080-840-A GD-2038 For tape path
J-5 Torque screwdriver J-9049-330-A
Countermeasure for static electricity of
J-6 Adjustable wrist strap J-2501-162-A
drum assy
J-7 Adjustment remote commander (RM-95) J-6082-053-B Partially modified part; Note 1
Tension regulator FWD position adjustment jig For tension regulator FWD position
J-8 J-6082-540-A
(V mechanism) adjustment
J-9 Tracking tape 8-967-998-01 For tape path adjustment
J-10 FWD back tension measurement tool J-6082-543-A For FWD BT (back tension) adjustment
J-11 Tape path adjustment screwdriver J-6082-541-A For tape guide adjustment
V mechanism mode transition
J-12 Simple MSW jig J-6082-542-A
operations
J-13 Connecting harness (V mechanism) J-6082-544-A
J-14 Reel weight J-6082-545-A For FWD BT (back tension) adjustment
Other equipment required: Oscilloscope
Note 1: If the microprocessor in the adjustment remote commander is not
the new one (UPD7503G-C56-12), the pages cannot be switched.
In this case, replace it with the new microprocessor (UPD7503G-
C56-12; 8-759-148-35).
--3--
J-1 J-2 J-3 J-4 J-5
J-6 J-7 J-8 J-9 J-10
J-11 J-12 J-13 J-14
Fig. 1-1
--4--
1-2. Simple MSW Jig Operating Procedure
1-2-1. Overview
This jig is the mechanism drive tool that assists maintenance wok
of the V mechanism deck.
Identifying the Main Parts
Mode position display switch
EJECT
ULE
SR
GL
STOP
RP
BLANK
LE T
C
POWER swtich
JE
E
U
R
S
L
P
G
TO
S
P
K
R
N
LA
B
R
E
W
O
P
DC power
Mode position selector switch
Connector for the connecting harness
Fig. 1-2
1-2-2. Connection Method
DC power (+5 V)
Power cord
Simple MSW jig
Clip Ref. No. J-12
V-mechanism deck
Connecting harness
Ref. No. J-13
Fig. 1-3
--5--
1-2-3. Operation
1. Turn on the power.
2. Select a desired mode using the operation switch.
Any of the following modes can be selected by pressing the
operation switches in the right and left.
LED of the selected mode turns on.
EJECT ULE SR GL STOP RP
Note: At the point in between the modes, the BLANK LED turns on.
--6--
2. Periodic Inspection and Maintenance
· Be sure to perform the following maintenance and inspection so
that the machine delivers its full performance and functions, and
to protect the machine and tape. Also, perform the following
maintenance items after completing the repair work, regardless
of the number of hours the machine has been operated by the
user.
2-1. Drum Assy Cleaning 2-2. Tape Path System Cleaning
(Refer to Fig. 2-1.)
Because the drum assembly is very sensitive to the effect of static
electricity, never perform cleaning or the like of the drum assembly. 1) Set the EJECT state. Clean the tape running path (TG1, 2, 3,
4, 5 and 6, pinch roller and capstan shaft) with the wiping cloth
(Ref. J-1) and a super-fine applicator (Ref. J-2).
Note 1: Be careful not to allow grease of the various link mechanisms to
get on the super-fine applicator (Ref. J-2).
Note 2: Once the super-fine applicator has been moistened with alcohol,
do not use it to clean other mechanical parts such as the tape guide.
However, the pinch roller is cleaned with alcohol.
Note 3: When cleaning the capstan shaft, be carefull not to move the oil
seal. If the oil seal is moved, oil will leak.
Capstan shaft cleaning
Oil seal
Drum assy
Capstan shaft
TG5
TG1
TG6
TG2
Pinch roller
TG3 TG4
S reel T reel
Fig. 2-1
--7--
2-3. Periodic Inspection List
Operating hours (H)
Maintenance and inspection item Remarks
500 1000 1500 2000 2500 3000 3500 4000 4500 5000
Tape running surface cleaning a a a a a a a a a a Be careful not to attach oil
Drum assy cleaning a a a a a a a a a a Be careful not to attach oil
mechanism
Capstan bearing -- -- -- -- --
Drive
Loading motor -- -- -- -- --
Abnormal sound
Performance
Back-tension measurement -- -- -- -- --
check
Brake system -- -- -- -- --
FWD/RVS torque measurement -- -- -- -- --
a: Cleaning, : Check
Note 1: When the machine is overhauled, replace the parts referring to the
above list.
Note 2: Grease
· Be sure to use the specified grease only. (If grease of different
viscosity is used, it can cause various troubles.)
1 mm diameter
· The grease used for bearings must not contain any dust or other
matter, otherwise excessive abrasion and seizure of the bearing
could occur.
· A drop of grease means the amount of grease as shown in the Diameter of a
illustration, which is the amount that is attracted to the tip of a grain of grease
rod of 1 mm diameter.
· FLOIL grease (SG-941): Part No. 7-662-001-39
Fig. 2-2
--8--
3. Before starting the Replacement, Check and Adjustment Work
3-1. Handling Drum Assy (on Mechanism Deck in which Drum Assy is installed)
Use the adjustable wrist strap (part code J-2501-162-A) as the preventive measure for static electricity when the removing and installing the
drum assy because the drum assy of this mechanism block is easily affected by the static electricity.
3-2. Adjusting the Phase
This mechanism block requires to adjust the phase of the operation positions. Adjust the phase by referring to the following figure.
Worm motor
(Loading motor)
No. 1 gear
Worm shaft No. 2 gear
Phase adjustment hole of No. 2 gear
Position arm
and mechanism chassis assy Mode gear assy
cam groove
Cam gear assy
No.2 gear alignment GL gear (T)
marking hole Mode slider
GL gear (S)
Drum side
LS cam plate assy
Phase adjustment hole of mode slider
and mechanism chassis assy
Dowel of mode slider
Front side (Cam groove is located LS shaft Phase adjustment hole of cam gear
on the back of cam gear.) and mechanism chassis assy
--9--
4. How to Confirm Mechanism Block and to Replace Parts
4-1. Flow Chart of Parts Replacement
MDX-V100
4-2. M Cover (MOLD), Drum assy
4-3. Drum Base Block Assy 4-4. Cassette Compartment Assy
4-5. LED Base Assy
4-6. Gooseneck Gear Assy, 4-7. Pinch Arm Block Assy, 4-8. T-soft, 4-9. Regulator Arm
T-reel Table Assy T-Brake Spring S-Brake Block Assy Block Assy, S-reel Table Assy
4-10. MIC (DH-037) Board, Sensor Holder-S, LS Support
4-12. Tape (Top/End) Sensor, Reel (S/T) Sensor,
4-11. LS Chassis Block Assy
Rec Proof Switch
4-19. Cam Base, Position Arm,
4-13. Rail, Coaster (S/T) Block Assy, GL (S/T) Block Assy
Motor Assy (Loading),
FP-228 Flexible Board, Motor Holder
4-20. No. 1 Gear, No. 2 Gear,
4-14. EJ Lever, EJ Lever Holder 4-15. Conversion Gear, Relay Gear
Cam Gear Assy
4-16. Capstan Motor 4-17. RVS Brake Arm
4-18. Cam Gear Assy,
Mode Gear Assy
4-21. Mode Slider, Chassis Sub-Block Assy
-- 10 --
4-2. M Cover (MOLD), Drum Assy
Note: Be sure to perform removal and installation using the adjustable wrist strap (part code: J-2501-162-A) as the preventive measure for static electricity.
1. Removal procedure 2. Installation procedure
1) Remove the screw (Special head screw M1.2 × 1.5) 1 and 1) Set the reference holes A and B of the drum assy 4 to the
remove the M cover 2. position setting reference pins A and B of the drum base block
2) Press the balance ring of the drum assy with fingers and remove assy.
the three screws (Special head screw M1.2 × 2.5) 4. 2) Install the drum assy with the three screws (Special head screw
3) Remove the drum assy 5 not to give scratches to the surface M1.2 × 2.5) 4 and tighten the screws in order starting from
while holding the earth plate. A, then B and finally C.
Tightening torque: 0.039 ± 0.01N·m (0.4 ± 0.1kgf·cm)
3) Install the M cover 2 with the screw (Special head screw M1.2
× 1.5) 1
Tightening torque: 0.059 ± 0.01N·m (0.6 ± 0.1kgf·cm)
4) Clean the tape run system. (Refer to Section 2-2.)
5) Perform the tape path adjustment. (Refer to Section 5-3.)
Drum assy (top view)
When you want to remove the drum
assy, hold this earth plate and
3 Drum assy remove the drum assy.
Drum assy (rear view) Earth plate
5 Drum assy
This is
Slot earthing plate.
(reference Don't touch this.
hole B)
Drum base
block assy
Slot Reference pin A
(reference When you want to remove the screw
hole A) of the drum assy, press this balance
spring portion.
Reference pin B
1 Screw (M1.2 × 1.5)
2 M cover (MOLD)
Wrist strap
(J-2501-162-A)
C
B A
4 Three screws (M1.2 × 2.5)
-- 11 --
4-3. Drum Base Block Assy
1. Removal procedure 2. Installation procedure
1) Remove the M cover (MOLD) and the drum assy. (Refer to 1) Confirm the engagement of the drum base block assy 2 and
Section 4-2.) the tip of the rail. Then align the reference pin of the drum base
2) Remove the three screws (Special head screw M1.2 × 1.5) 1. with the reference hole of the mechanism chassis and install
3) Remove the drum base block assy 2. the drum base block assy.
2) Install the drum base block assy with the three screws (Special
head screw M1.2 × 1.5) 1 and tighten in order starting from
screw A, then B and finally C.
Tightening torque: 0.039 ± 0.01N·m (0.4 ± 0.1kgf·cm)
3) Install the drum assy and M cover (MOLD). (Refer to Section
4-2.)
4) Clean the tape run system. (Refer to Section 2-2.)
Note: Don't touch the small screws located at both ends of the drum base
block assy.
C
1 Three screws (M1.2 × 1.5)
B
A
2 Drum base block assy Don't touch.
Engagement at
the tip of the rail
Claw
Reference holes of the
mechanism chassis
-- 12 --
4-4. Cassette Compartment Assy
1. Removal procedure 2. Installation procedure
1) Remove the M cover and the drum assy. (Refer to Section 4- 1) Set the [ULE] mode using the Simple MSW jig (Ref. No. J-12).
2.) 2) Install the slots 7 and 6 of the holder arms of the cassette
2) Set the [EJECT] mode using the Simple MSW jig (Ref. No. J- compartment assy 1 into the pins of the LS chassis block assy.
12) and keep raising the cassette compartment assy 1. 3) Engage the LS frame 3 of the cassette compartment assy 1
3) Remove the screw (Special head screw M1.2 × 1.5) 2. with the grooves 5 and 4 while the LS frame 3 of the cassette
4) Open the LS frame 3 of the cassette compartment assy 1 in compartment assy 1 is being kept open.
the direction of the arrow A and remove from grooves 4 and 4) Close the LS frame 3 in the opposite direction of the arrow
5 of the LS chassis block assy. A and install it with the screw (Special head screw M1.2 ×
5) Remove the slots 6 and 7 of the holder arms of the cassette 1.5) 2.
compartment assy from the pins of the LS chassis block assy. Tightening torque: 0.059 ± 0.01N·m (0.6 ± 0.1kgf·cm)
5) Install the drum assy and M cover. (Refer to Section 4-2.)
6) Clean the tape run system. (Refer to Section 2-2.)
1 Cassette compartment assy
7 Slot of the holder arm
While pressing
toward the inside.
6 Slot of the
holder arm
2 Screw (M1.2 × 1.5)
3 Remove the LS chassis block assy
LS frame.
Pin
4
A
5
Pin
-- 13 --
4-5. LED Base Assy
Note: For the removal and installation of the drum assy and cassette compartment assy refer to Sections 4-2. (Page 11) and 4-4. (Page 13).
1. Removal procedure 2. Installation procedure
1) Remove the LED 1 from the prism 2 and remove the FP- 1) Insert the LED base assy 6 underneath the FP-140 flexible
140 flexible board in the direction of the arrow A. board and fit the notch of the portion C into the shaft in the
2) Remove the screw (Special head screw M1.2 × 1.5) 3 and opposite direction of the arrow B. Then engage the detent D
remove the sensor holder T 4. in between the LS chassis block assy and the LS cam plate in
3) Remove the two screws (Special head screw M1.2 × 1.5) 5. order to install it.
4) Remove the detents C and D of the LED base assy 6 and 2) Install and tighten the two screws (Special head screw M1.2 ×
remove the LED base assy in the direction of the arrow B. 1.5) 5.
Note: Be careful not to bend the flexible portion of the FP-140 flexible Tightening torque: 0.059 ± 0.01N·m (0.6 ± 0.1kgf·cm)
board. 3) Press down the LED base assy with the sensor holder T 4 so
as not to float, and align the reference of the sensor holder T
4 with the reference hole of the LS chassis block assy to install.
4) Install and tighten the screw (Special head screw M1.2 × 1.5).
Tightening torque: 0.059 ± 0.01N·m (0.6 ± 0.1kgf·cm)
5) Install the FP-140 flexible board in the opposite direction of
the arrow A to the LED 1 so that the LED 1 is located at the
center of the prism 2.
Note: Ensure that the LED engages firmly with the detent portion of
the LED base assy.
5 Two screws
6 Remove the LED base assy
(M1.2 ×1.5)
in the direction of the arrow B.
B
2 Prism
A C
1 LED
Remove the FP-140 flexible board
in the direction of the arrow A. FP-140
flexible board
3 Screw
(M1.2 ×1.5)
Reference hole
Hold the floating of the
LED base assy.
D
XXXXXXXXX.
4 Sensor
holder T
-- 14 --
4-6. Gooseneck Assy, T-reel Table Assy
Note: For the removal and installation of the drum assy, cassette compartment, refer to Sections 4-2. (Page 11) and 4-4. (Page 13).
1. Removal procedure 2. Installation procedure
1) Remove the LED base assy. (Refer to Section 4-5.) 1) Install the gooseneck assy 4.
2) Remove the T-reel table 1. 2) Install the new washer (DIA. 1.7 × 0.8) 3.
3) Lift up the FP-140 flexible board in the direction of the arrow. 3) Return the FP-140 flexible board.
4) Remove the washer (DIA. 1.7 × 0.8) 4) Confirm that it is the T-reel table assy 1 and install the FP-
Note: Don't reuse the washer. Use the new one. 140 flexible board to the T-reel shaft.
5) Remove the gooseneck assy 4. 5) Install the LED base assy. (Refer to Section 4-5.)
Note: Be careful that the gooseneck gear is not scratched.
3 Washer (DIA. 1.7 ×0.8) Be careful that the gear surface is not
Don't reuse it. damaged or dust is not attached.
4 Gooseneck assy
1 T-reel table assy
The T-reel table
assy is narrow
in width.
2 Lift up the FP-140 flexible board
in the direction of the arrow.
-- 15 --
4-7. Pinch Arm Block Assy, T-Brake Spring
Note: For the removal and installation of the drum assy, cassette compartment, refer to Sections 4-2. (Page 11) and 4-4. (Page 13).
1. Removal procedure 2. Installation procedure
1) Remove the LED base assy. (Refer to Section 4-5.) 1) Install the T-brake spring 3 by supporting the LED base boss-
2) Remove the T-reel table assy. (Refer to Section 4-6.) T.
3) Remove the pinch return spring 1 from the LED base boss-T. 2) While placing the shorter hook of the pinch return spring 1 in
4) Remove the pinch arm block assy 2 by rotating it in the the bottom, install the pinch return spring 1 into the pinch
direction of the arrow. arm boss.
5) Remove the pinch return spring 1. 3) Install the pinch arm block assy 2 in the opposite direction of
6) Remove the T-brake spring 3. the arrow so that the shorter portion of the pinch return spring
is inserted between the pinch cam shaft and the pinch arm boss.
4) Engage the longer hook of the pinch return spring 1 with the
LED base boss T.
5) Install the T-reel table. (Refer to Section 4-6.)
6) Install the LED base assy. (Refer to Section 4-5.)
7) Clean the pinch roller.
8) Confirm the tape path. (Refer to Section 5-3.)
Pinch arm block assy
Pivot shaft
Pinch roller spring
Pinch arm Pinch cam shaft
block assy
The pinch roller spring
T-brake spring Pinch arm boss must be hung on top of
LED base the pinch cam shaft.
boss-T
2 Remove the pinch arm block assy
in the direction of the arrow.
LED base Pinch return
boss-T spring hook
T-brake
spring
1 Remove the pinch
return spring.
3 T-brake spring
Coat the top of the pinch
arm boss with grease
LED base boss-T
When installing it, coat the hatched portion with grease.
-- 16 --
4-8. T-Soft, S-Brake Block Assy
Note: For the removal and installation of the drum assy and the cassette compartment assy, refer to Sections 4-2. (Page 11) and 4-4. (Page 13).
1. Removal procedure 2. Installation procedure
1) Remove the LED base assy. (Refer to Section 4-5.) 1) Turn over the S-brake arm 8 and install the S-hard brake 7,
2) Remove the extension spring (TB) 1 from the LS chassis assy. then install the S-hard spring 6 in order starting from C, then
3) Remove the T-soft 2. B and finally A.
4) Remove the extension spring (SB) 3 from the LS chassis assy. 2) Install the extension spring (SB) 5 to the S-brake arm 8.
5) Remove the S-brake block assy 4. 3) Install the S-brake block assy 4.
6) Remove the extension spring (SB) 5 from the S-brake block 4) Hang the extension spring (SB) 3 on the notch of the LS chassis
assy 4 assy.
7) Turn over the S-brake block assy 4 and remove the S-hard 5) Install the T-soft 2.
spring 6 in order starting from A, then B and finally C. 6) Hang the extension spring (TB) 1 on the notch of the LS
Remove the S-brake arm 8 and S-hard brake 7. chassis assy.
7) Install the LED base assy. (refer to Section 4-5.)
5 Extension (SB) spring
8 S-brake arm
3 Extension (SB) spring
7 S-hard brake
4 S-brake block assy
6 S-brake spring
1 Extension (TB) spring
2 T-soft
Notch of LS chassis assy
Extension (SB) spring
S-brake arm
S-hard brake
C
B
S-hard spring
A
S-brake block assy (rear view)
S-brake block assy
LS chassis assy
Notch of LS chassis assy
-- 17 --
4-9. Regulator Arm Block Assy, S-reel Table Assy
Note: For the removal and installation of the drum assy and the cassette compartment assy, refer to Sections 4-2. (Page 11) and 4-4. (Page 13).
1. Removal procedure 2. Installation procedure
1) Remove the LED base assy. (Refer to Section 4-5.) 1) Confirm that it is the S-reel table assy 4, and install the S-reel
2) Remove the extension spring (TG1) 1. table assy into the S-reel table shaft.
Note: Take a note where the extension spring is hung on. 2) Wind the tension regulator band of the regulator arm block
3) Remove the screw (Special head screw M1.2 × 1.5) 2. assy 3 along the side groove of the S-reel table assy, and insert
4) Remove the regulator arm block assy 3. the TG1 pivot shaft into the TG1 pivot shaft boss, then install
5) Remove the S-reel table assy 4. the FWD position adjustment.
3) Tighten the FWD position adjustment tentatively with the screw
(Special head screw M1.2 × 1.5) 2 by moving it to the S-reel
table assy 4 side.
4) Install the extension spring (TG1) 1 to the position that is
taken a note when it is removed.
5) Install the LED base assy. (Refer to Section 4-5.)
6) Perform the FWD position adjustment of the extension regulator
and FBT BT adjustment. (Refer to Section 5-1 and 5-2.)
Note: Be careful that the extension regulator band is not scratched or
not broken and grease is not attached.
Hang the extension spring on the
same position as it is removed.
Regulator arm 2 Screw (M1.2 ×1.5)
Extension spring block assy
(TG1)
1 Extension spring (TG1)
Be careful that the 3 Regulator arm block assy
tension regulator
band is not
scratched or not
broken and grease TG1 pivot shaft boss
is not attached.
The S-reel table
assy is wide
in width.
FWD
position
S-reel table
adjustment
assy
4 S-reel table assy
S-reel table shaft
When installing it, coat the hatched portion with grease.
-- 18 --
4-10.MIC (DH-037) Board, Sensor Holder S, LS Support
Note: For the removal and installation of the drum assy and the cassette compartment assy, refer to Sections 4-2. (Page 11) and 4-4. (Page 13).
1. Removal procedure 2. Installation procedure
1) Remove the LED base assy. (Refer to Section 4-5.) 1) Insert the two dowels of the LS support 5 into the slot of the
2) Remove the T-reel table. (Refer to Section 4-6.) LS chassis assy and the reference hole of the mechanism chassis
3) Remove the MIC (DH-037) board 1 in the direction of the to install.
arrow. 2) Install the screw (Special head screw M1.2 × 1.5) 4.
4) Remove the screw (Special head screw M1.2 × 1.5) 2 and Tightening torque: 0.059 ± 0.01N·m (0.6 ± 0.1kgf·cm)
then remove the sensor holder S 3. 3) Install the two dowels of the sensor holer S 3 into the reference
5) Remove the screw (Special head screw M1.2 × 1.5) 4 and holes of the LS chassis assy.
then remove the LS support 5. 4) Install the screw (Special head screw M1.2 × 1.5) 2.
Tightening torque: 0.059 ± 0.01N·m (0.6 ± 0.1kgf·cm)
5) Install the MIC (DH-037) board 1 to the LS chassis in the
opposite direction of the arrow.
6) Install the T-reel table. (Refer to Section 4-6.)
7) Install the LED base assy. (Refer to Section 4-5.)
4 Screw 2 Screw 3 Sensor holder S
(M1.2 ×1.5) (M1.2 ×1.5)
Two dowels
Two dowels
5 LS support
1 Remove the MIC (DH-037) board
in the direction of the arrow.
Notch of LS chassis assy
Dowel
Slot of LS chassis assy
Sensor holder S Notch of LS
Two dowels chassis assy
LS support
Dowel
Two dowels
Mechanism chassis assy MIC (DH-037) board
-- 19 --
4-11.LS Chassis Block Assy
Note: For the removal and installation of the drum assy and the cassette compartment assy, refer to Sections 4-2. (Page 11) and 4-4. (Page 13).
1. Removal procedure 2. Installation procedure
1) Remove the LED base assy. (Refer to Section 4-5.) 1) Insert the pin of the mechanism chassis to the slot of the LS
2) Remove the MIC (DH-037) board, LS support and sensor holder chassis assy 3.
S. (Refer to Section 4-10.) 2) Rotate the TG1 of the tension regulator arm block assy in the
3) Remove the T-reel table assy and gooseneck assy. (Refer to direction of the arrow C and insert the TG1 pin into the groove
Section 4-6.) of the cam base, then install the LS chassis assy 3.
4) Remove the pinch arm block assy and T-brake spring. (Refer 3) Install the five screws (Special head screw M1.2 × 1.5) 1 in
to Section 4-7.) order starting from D, E, F, G and H sequentially.
5) Pull the LED block of the FP-140 flexible board in the direction Tightening torque: 0.059 ± 0.01N·m (0.6 ± 0.1kgf·cm)
of the arrow A while paying attention not to break it. 4) Insert the FP-140 flexible board into the LS chassis assy in the
6) Remove the five screws (Special head screw M1.2 × 1.5) 2. opposite direction of the arrow A.
7) Remove the LS chassis assy 3 in the direction of the arrow 5) Install the pinch arm block assy, LS support, sensor holder S
B. and MIC (DH-037) board. (Refer to Section 4-10.)
6) Install the T-brake spring. (Refer to Section 4-7.)
7) LS Cam Plate Assy Position Adjustment
7-1) Establish the [RP] mode position using the Simple MSW jig
(Ref. No. J-12).
7-2) Loosen the two installation screws (Special head screw M1.2
× 1.5) G, H that are used for the LA cam plate assy, by 180
degrees.
7-3) Move the LS chassis block assy to the drum side.
7-4) Tighten the two installation screws.
Tightening torque: 0.059 ± 0.01N·m (0.6 ± 0.1kgf·cm)
8) Move to the [ULE] mode position using the Simple MSW jig.
9) Install the pinch arm block assy. (Refer to Section 4-7.)
10) Install the gooseneck assy and the T-reel table assy. (Refer to
Section 4-6.)
11) Install the LED base assy. (Refer to Section 4-5.)
12) Clean the tape run system. (Refer to Section 2-2.)
Note: When installing the LS chassis block assy, confirm the
engagement of the LS cam plate assy and GL (S/T) block assy,
and the correlation between the LS cam plate assy and the LS
shaft. (Refer to Section 4-13.)
-- 20 --
LS chassis block assy
D 2 Five screws
(M1.2 ×1.5)
G
H Regulator arm
block assy (TG1) F
A
E
1 Pull the FP-140 flexible board C
in the direction of the arrow A.
B
3 Remove the LS chassis block assy Slot of LS
in the direction of the arrow B. chassis assy
TG1 arm
TG1 pin
Cam base groove
LS chassis assy
Pin
Mechanism
chassis assy
LS cam plate position adjustment
1 Select the RP mode.
G H
2 Loosen the two screws (M1.2 ×1.5)
by 180 degrees.
3 Move the LS chassis block assy
to the drum side.
-- 21 --
4-12.Tape (Top/End) Sensor, Reel (S/T) Sensor, REC Proof Switch
Note: For this work, refer to "Section 4-11. LS Chassis Block Assy".
1. Removal procedure 2. Installation procedure
1) Remove soldering from the respective four points of the reel 1) Align the dowel of the tape (end) sensor (Q002) 6 with that
(S) sensor (H002) 1 and the reel (T) sensor (H001) 2. of the sensor holder S 7 and assemble them, then connect
2) Remove soldering from the two points of the REC proof switch them with the FP-140 flexible board by soldering (2 points).
(S001) 3. 2) Align the dowel of the tape (top) sensor (Q001) 4 with that of
3) Remove soldering from the two points of the tape (top) sensor the sensor holder T 5 and assemble them, then connect them
(Q001) 4 and remove it from the sensor ho