Samsung DX7-A User manual

DX7-A/DX7-AC
DX8-A/DX8-AC
1. Disassembly and Reassembly
2. Alignment and Adjustment
VHS DECK CONTENTS
MECHANICAL
Manual
3File with the SERVICE MANUAL.
© Samsung Electronics Co., Ltd. NOV. 1997 AC68-20392A

Samsung Electronics 1-1
1-1 Deck Parts Locations
1-1-1 Deck (Top View)
123 4 58910
11
12
13
14
15
1617
18
19
76
Fig. 1-1 Deck Top Parts Location (DX7-A/DX8-A DECK ONLY)
1. ARM TENSION FULL ASS’Y
2. BRAKE MAIN “L” ASS’Y
3. GUIDE ROLLER ASS’Y “T”
4. FULL ERASE HEAD
5. GUIDE ROLLER ASS’Y “S”
6. CYLINDER ASS’Y
7. LEVER PINCH COMP ASS’Y
8. LEVER PINCH CAM
9. FULL ACE HEAD AAS’Y
10. UNIT PINCH ROLLER ASS’Y
11. LEVER REVIEW
12. BRAKE SUB “R” ASS’Y
13. REEL DISK “R” ASS’Y
14. GEAR RELAY “T” ASS’Y
15. IDLER ASS’Y
16. GEAR RELAY “S” ASS’Y
17. REEL DISK “L” ASS’Y
18. LEVER JOG ASS’Y
(DX8-A/AC ONLY)
19. LEVER REC SWITCH
1. Disassembly and Reassembly

Disassembly and Reassembly
1-2 Samsung Electronics
1-1-2 Deck (Top View)
12346
578910 11
12
13
14
151617
18
19
20
Fig. 1-2 Deck Top Parts Location (DX7-AC/DX8-AC DECK ONLY)
1. ARM TENSION FULL ASS’Y
2. BRAKE MAIN “L” ASS’Y
3. GUIDE ROLLER ASS’Y “T”
4. FULL ERASE HEAD
5. HEAD CLEANER ASS’Y
(DX7-AC/DX8-AC ONLY)
6. GUIDE ROLLER ASS’Y “S”
7. CYLINDER ASS’Y
8. LEVER PINCH COMP ASS’Y
9. LEVER PINCH CAM
10. FULL ACE HEAD AAS’Y
11. UNIT PINCH ROLLER ASS’Y
12. LEVER REVIEW
13. BRAKE SUB “R” ASS’Y
14. REEL DISK “R” ASS’Y
15. GEAR RELAY “T” ASS’Y
16. IDLER ASS’Y
17. GEAR RELAY “S” ASS’Y
18. REEL DISK “L” ASS’Y
19. LEVER JOG ASS’Y
(DX8-A/AC ONLY)
20. LEVER REC SWITCH

Disassembly and Reassembly
Samsung Electronics 1-3
1-1-3 Deck (Bottom View)
12346
57
8
9
10
11
13 12
Fig. 1-3 Deck Bottom Parts Location
1. LEVER SLIDE PINCH
2. BELT CAPSTAN
3. MOTOR D.D CAPSTAN
4. BRAKE CAPSTAN ASS’Y
5. GEAR LOADING “R” ASS’Y
6. MOTOR CYLINDER
7. GEAR LOADING “L” ASS’Y
8. SLIDE MAIN
9. LEVER REC SWITCH
10. LEVER IDLER CHANGE
11. CLUTCH ASS’Y
12. UNIT LOADING
13. GEAR MASTER

Disassembly and Reassembly
1-4 Samsung Electronics
1-1-4 Housing
12 3
4
65
Fig. 1-4 Housing Parts Location
1. CHASSIS SIDE “L” ASS’Y
2. UPPER CHASSIS
3. CHASSIS SIDE “R” ASS’Y
4. SHAFT ARM ASS’Y
5. HOLDER CASSETTE ASS’Y
6. LEVER DOOR

Disassembly and Reassembly
Samsung Electronics 1-5
1-2 Housing Assembly
1-2-1 Removal from Main Base
1. Remove 3 Screws !.
2. Lift the Housing AssÕy in the direction of arrow ÒBÓ, while pushing the tab @in the direction of arrow ÒAÓ.
(Refer to detail drawing)
3 SCREWS
1
MAIN BASE
TAB
"A"
2
Fig. 1-5 Housing Ass’y Removal from Main Base

Disassembly and Reassembly
1-6 Samsung Electronics
1-2-2 Diassembly
2 SCREWS
UPPER CHASSIS
CHASSIS SIDE "R"
HOLDER
CASSETTE ASS'Y
SHAFT ARM ASS'Y
CHASSIS SIDE "L"
Fig. 1-6 Housing Ass’y Removal

Disassembly and Reassembly
Samsung Electronics 1-7
1-2-3 Upper Chassis Removal
1. Remove 2 Screws !.
2. Lift the Upper Chassis @in the direction of arrow ÒAÓ.
2 SCREWS
UPPER CHASSIS
2
"A"
1
Fig. 1-7 Upper Chassis Removal

Disassembly and Reassembly
1-8 Samsung Electronics
1-2-4 Holder Cassette Ass’y and Chassis Side L/R Removal
1. Lift the Cassette Holder !in the direction of arrow ÒAÓ (Refer to Fig. A).
2. Remove the Side Chassis ÒLÓ @and ÒRÓ #from Arm Shaft AssÕy $in the direction of arrow ÒBÓ, ÒCÓ
(Refer to Fig. B).
HOLDER CASSETTE ASS'Y
"A" 1
2
4SHAFT ARM ASS'Y
CHASSIS SIDE "L"
3CHASSIS SIDE "R"
SLIDE DAMPER
"B" <Fig. A>
<Fig. B>
<DETAIL>
(REASSEMBLY OF CHASSIS
SIDE "R" & SHAFT ARM "R")
(SIDE VIEW)
"C"
"D"
SHAFT ARM "R"
Fig. 1-8 Holder Cassette Ass’y and Chassis Side L/R

Disassembly and Reassembly
Samsung Electronics 1-9
1-2-5 Chassis Side “R” Parts Locations
CHASSIS SIDE "R"
(SIDE VIEW "A")
SLIDE DAMPER
LEVER-LID OPENDER
"A"
SPRING-SLIDE DAMPER
SPRING-LID OPENDER
Fig. 1-9 Chassis Side “R” Parts Locations
Note : If you operate the deck when the Cassette AssÕy Holder is removed, the Arm Shaft ÒRÓ and the Damper
Slide are not returned to their original positions. If this happens by accident, push the Damper Slide of
Side Chassis ÒRÓ in the direction of arrow ÒDÓ, and return the Damper Slide in the reverse direction of
arrow ÒDÓ when the Arm Shaft AssÕy is in eject mode.