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5-11
(4) Envelope Check
1) Make recordings on T-120 (E-120) and T-160 (E-180) tape.
Make sure the playback output envelope meets the specification as shown in Fig. 5-15.
2) Play back a self recorded tape (recording made on the unit using with T-120 (E-120).
The video envelope should meet the specification as shown in Fig. 5-15.
In SP mode, (A) should equal (B).
If the head gap is wide, upper cylinder should be checked.
Make sure the playback output envelope meets the specification as shown in Fig. 5-15.
2) Play back a self recorded tape (recording made on the unit using with T-120 (E-120).
The video envelope should meet the specification as shown in Fig. 5-15.
In SP mode, (A) should equal (B).
If the head gap is wide, upper cylinder should be checked.
Fig. 5-15 Envelope Input and Output Level
(5) Tape Wrinkle Check
1) Run the T-160 (E-180) tape in the playback, FPS, RPS and Pause modes and observe tape wrinkle at each guide.
2) If excessive tape wrinkle is observed, perform the following adjustments in Playback mode :
2) If excessive tape wrinkle is observed, perform the following adjustments in Playback mode :
◆ Tape wrinkle at the guide roller S, T section : Linearity adjustment.
◆ Tape wrinkle at tape guide flange : ACE head assembly coarse adjustment.
◆ Tape wrinkle at tape guide flange : ACE head assembly coarse adjustment.
5-4-3 Reel Torque
1) The rotation of the capstan motor causes the holder clutch ass’y to rotate through the belt pulley.
2) The spring wrap PLAY/REV of holder clutch ass’y drives the disk reel S, T through gear idler by rotation of gear center ass’y.
3) Brake is operated by slider cam at FF/REW mode.
4) Transportation of accurate driving force is done by gears. (Gear Center Ass’y)
2) The spring wrap PLAY/REV of holder clutch ass’y drives the disk reel S, T through gear idler by rotation of gear center ass’y.
3) Brake is operated by slider cam at FF/REW mode.
4) Transportation of accurate driving force is done by gears. (Gear Center Ass’y)
Note:
If the spec. does not meet the followings specifications, replace the holder clutch ass’y and then recheck.
< Table 5-2 >
MODE
TORQUE g/cm
GAUGE
PB
42
±
11
Cassette Torquemeter
RPS
145
±
30
Cassette Torquemeter
A
B
6-1
6. REPAIR PARTS LIST
6-1 Exploded Views - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6-1-1 Instrument Assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6-1-2 Mechanical Parts (Top Side) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6-1-3 Mechanical Parts (Bottom Side) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6-2 Electrical Parts List - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Page
6-2
6-2
6-3
6-4
6-5
SLV-SE740/SE747/SE840/SX740
6-2
6-1-1 Instrument Assembly
6-1 EXPLODED VIEWS
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
1
9-885-057-80 ASSY PANEL FRONT SE840G (SE840G)
1
9-885-057-81 ASSY PANEL FRONT SE840D/E/N
(SE840D/SE840E/SE840N)
1
9-885-057-82 ASSY PANEL FRONT SE747 (SE747E)
1
9-885-057-83 ASSY PANEL FRONT SE740GI (SE740G/SE740I)
1
9-885-057-84 ASSY PANEL FRONT SE740D/E/N
(SE740D/SE740E/SE740N)
1
9-885-057-85 ASSY PANEL FRONT SX740
(SX740D/SX740E/SX740N)
1
9-885-057-86 ASSY PANEL FRONT SE840B (SE840B)
1
9-885-057-87 ASSY PANEL FRONT SE740B (SE740B)
2
3-075-088-01 COVER (S) REMOTE CONTROL BATTERY
(EXCEPT SX740D/SX740E/SX740N)
2
3-075-089-01 COVER (B) REMOTE CONTROL BATTERY
(SX740D/SX740E/SX740N)
3
1-786-352-11 SW-DIAL TIMER
(SE840B/SE840D/SE840E/SE840G/SE840N)
21
9-885-056-48 DOOR, CASSETTE (EURO_S430)
100
9-885-056-99 ASSY DECK
101
9-885-056-46 PAL (S430), UPPER CASE
(EXCEPT SX740D/SX740E/SX740N)
101
9-885-057-00 PAL (B430), UPPER CASE
(SX740D/SX740E/SX740N)
153
3-075-262-01 SCREW BH 4X12
155
3-075-258-01 SCREW TAP 4X16
157
3-075-256-01 SCREW TAP 3X12
0 200
1-823-023-11 POWER CORD KKP419C
(EXCEPT SE740G/SE740I/SE840G)
0 200
1-823-025-11 POWER CORD Y352 (SE740G/SE740I/SE840G)
CN3A1S 1-824-062-11 CABLE FLAT 6P
RMC
RMC
1-477-271-11 COMMANDER, STANDARD (RMT-V406)
(SE740D/SE740E/SE740G/SE740I/SE740N)
RMC
1-477-272-11 COMMANDER, STANDARD (RMT-V406A)
(SE740B)
RMC
1-477-273-11 COMMANDER, STANDARD (RMT-V407A)
(SE747E/SE840D/SE840E/SE840G/SE840N)
RMC
1-477-274-11 COMMANDER, STANDARD (RMT-V407B)
(SE840B)
RMC
1-477-276-11 COMMANDER, STANDARD (RMT-V406B)
(SX740D/SX740E/SX740N)
1
153
157
21
101
155
100
( )
CN3A1S
200
RMC
SE840B/SE840D/SE840E/
SE840G/SE840N
SE840G/SE840N
EXCEPT SE840B/SE840D/
SE840E/SE840G/SE840N
SE840E/SE840G/SE840N
2
3
not supplied
Except for Assy Cylinder,
H/Cleaner Lever Assy
H/Cleaner Lever Assy
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
1
21
not supplied
6-3
6-1-2 Mechanical Parts (Top Side)
G001
G555
B475
B561
G510
G480
K546
G680
G681
B410
B440
G546
G560
G060
G520
G527
K110
K240
K248
K350
K140
K340
G070
K250
K490
G420
G450
not supplied
not supplied
not
supplied
supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
B410
1-796-434-11 LOADING ASSY, MOTOR
B440
3-075-260-01 SCREW MAC 3X3
B475
1-796-433-11 DAMPER CAPSTAN
B561
1-824-063-11 CABLE FLAT 10P
G001
9-885-056-96 ASSY CYLINDER 6HD
G060
3-075-254-01 SCREW ASSY MAC 3X6
G070
3-067-796-01 PLATE-GROUND DECK
G420
3-079-347-01 SLIDER-SUPPLY ASSY
G450
3-079-346-01 SLIDER-TAKE UP ASSY
G480
3-709-671-01 ASSY HEAD ACE
G510
9-885-056-92 SCREW TAP M2.6 L7
G520
9-885-053-44 LEVER-#9 GUIDE
G527
3-067-780-01 SPRING-#9 GUIDE
G546
3-067-787-01 LEVER-FL DOOR
G555
9-885-053-45 UNIT PINCH ASSY
G560
3-079-356-01 POST-#8 GUIDE ASSY
G680
3-075-021-01 AUTO HEAD CLEANER (G680)
G681
3-075-022-01 AUTO HEAD CLEANER (G681)
K110
3-075-046-01 DISK T REEL
K140
3-075-047-01 DISK S REEL
K240
3-067-781-01 LEVER-TENSION
K248
3-067-782-01 SPRING-TENSION LEVER
K250
3-067-783-01 BAND-BREAK
K340
3-067-785-01 LEVER-T. BRAKE
K350
3-067-786-01 SPRING-BRAKE
K490
3-067-788-01 HOLDER-FL CASS.
K546
3-067-789-01 GUIDE-CASS.DOOR
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
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