D33
S/M Code No. 09-99B-336-8N2
SERVICE MANUAL
DA
TA
English
TYPE
P2 LRN106A
P4 LRN133A
VIDEO MECHANISM
2
TABLE OF CONTENTS
REMOVING CASSETTE MANUALLY ............................. 3
DECK MECHANISM PARTS LOCATIONS
Top View ............................................................................ 4
Bottom View ...................................................................... 4
DECK MECHANISM DISASSEMBLY
1. Drum Assembly ........................................................... 5
2. Plate Assembly Top ..................................................... 7
3. Holder Assembly CST ................................................. 7
4. Guide CST .................................................................. 7
5. Bracket Side (L)/Bracket Assembly Door .................... 7
6. Arm Assembly F/L ....................................................... 7
7. Lever Assembly S/W ................................................... 7
8. Arm Assembly Cleaner ................................................ 8
9. Head F/E ..................................................................... 8
10. Base Assembly A/C Head ........................................... 8
11. Brake Assembly S ....................................................... 9
12. Brake Assembly T ....................................................... 9
13. Arm Assembly Tension ................................................ 9
14. Reel S & Reel T .......................................................... 9
15. Support CST ............................................................. 10
16. Base Assembly P4 .................................................... 10
17. Opener Lid ................................................................ 10
18. Arm Assembly T/up ................................................... 10
19. Arm Assembly Pinch ................................................. 10
20. Belt Capstan/Motor Capstan ..................................... 11
21.Clutch Assembly D33 ................................................. 11
22. Lever F/R .................................................................. 11
23. Gear Assembly H-Up/D or Gear Assembly Up/D ...... 11
24. Bracket Assembly Jog ............................................... 12
25. Guide Rack F/L, Gear Rack F/L ................................ 12
26. Brake Assembly Capstan .......................................... 12
27. Gear Drive/Gear Cam/Gear Connector .................... 13
28. Bracket Assembly L/D motor ..................................... 13
29. Gear Sector ............................................................... 14
30. Base Tension/Plate Slider/Lever Tension .................. 14
31. Gear Assembly P3/Gear Assembly P2 ..................... 15
32. Base Assembly P3/Base Assembly P2 ..................... 15
33. Arm Assembly Idler Jog or Arm assembly Idler ......... 15
DECK MECHANISM ADJUSTMENT
Tools and Fixtures for service ......................................... 16
1. Mechanism Alignment Position Check ........................ 17
2. Preparation for Adjustment ......................................... 18
3. Checking Torque ......................................................... 18
4. Guide Roller Height Adjustment .................................. 19
4-1. Preliminary Adjustment .......................................... 19
4-2. Precise Adjustment ................................................ 19
5. Audio/Control (A/C) Head Adjustment ......................... 20
5-1. Preliminary Adjustment .......................................... 20
5-2. Confirm that the Tape Path smoothly between
the Take-up Guide and Pinch Roller ..................... 21
5-3. Precise Adjustment (Azimuth Adjustment) ............. 21
6. X-Value Adjustment ..................................................... 21
7. Adjustment after Replacing Drum Assembly
(Video Heads) ............................................................. 22
8. Check the Tape Travel after Reassembling
Deck Mechanism ......................................................... 22
8-1. Checking Audio and RF Locking Time
during Playback and after CUE or REV ................ 22
8-2. Check for Tape Curling or Jamming ....................... 22
MAINTENANCE/INSPECTION PROCEDURE
1. Check before starting Repairs .................................... 23
2. Required Maintenance ................................................ 24
3. Scheduled Maintenance ............................................. 24
4. Supplies Required for Inspection and Maintenance ... 24
5. Maintenance Procedure .............................................. 24
5-1. Cleaning ................................................................. 24
5-2. Greasing ................................................................ 25
MECHANISM TROUBLESHOOTING GUIDE
1. Deck Mechanism ........................................................ 26
2. Front Loading Mechanism .......................................... 29
MECHANISM EXPLODED VIEW 1/3 ............................. 32
MECHANISM MAIN PARTS LIST 1/3 ............................ 33
MECHANISM EXPLODED VIEW 2/3 ............................. 34
MECHANISM MAIN PARTS LIST 2/3 ............................ 35
MECHANISM EXPLODED VIEW 3/3 ............................. 36
MECHANISM MAIN PARTS LIST 3/3 ............................ 37
3
REMOVING CASSETTE MANUALLY
1. Remove the loading motor.
Fig. 1
2. Turn the gear connect in the direction of the arrow
with you finger to perform unsledding.
Fig. 2
3. Turn the capstan belt to take up slack tape.
Fig. 3
4. Turn the gear connect in the direction of the arrow
with you finger to perform unloading.
Loading motor
Gear connect
Capstan belt
Fine rod, etc.
4
DECK MECHANISM PARTS LOCATIONS
Bracket Side 'L' 5
Plate Assembly 2
Top
Lever Assembly 8
S/W
4 Guide CST
3 Holder Assembly CST
Opener Door
6 Bracket
Assembly Door
7 Arm Assembly F/L
Head F/E 10
Drum Assembly 1
Support CST 17
Base Assembly P2 42
Brake Spring S
Brake Assembly S 12
Arm Assembly 14
Tension
Band Assembly
Tension
Reel S 15
Lever
Assembly S/W 8
9 Arm Assembly Cleaner
34 Bracket Assembly
L/D Motor
11 Base Assembly
A/C Head
21 Arm Assembly Pinch
20 Arm Assembly T/Up
43 Arm Assembly
ldler Jog
16 Reel T
19 Opener Lid
41 Base Assembly P3
18 Base Assembly P4
13 Brake Assembly T
Brake Spring T
· Top View
· Bottom View
Motor Capstan 23
Gear Connector 33
Gear Cam 32
Brake Assembly 30
Capstan
Belt Capstan 22
Gear Drive 31
Guide Rack F/L 28
Gear Rack F/L 29
Clutch Assembly D33 24
Lever F/R 25
26 Gear Assembly H-Up/D
39 Gear Assembly P3
40 Gear Assembly P2
36 Base Tension
35 Gear Sector
38 Lever Tension
37 Plate Slider
27 Bracket Assembly
Jog
NOTE : When reassembly perform the
procedure in the reverse order.
1) When reassembling, confirm Mechanism and Mode
Switch Alignment Position (Pefer to Page 17)
2) When disassembling, the Parts for Starting No. Should
be removed first.
1
Drum Assembly
3 Screws , Cap FPC A-1
2
Plate Assembly Top
Two Hooks
A-2
2
3
Holder Assembly CST
Chassis Hole
A-2
4
Guide CST
2 Hooks
A-2
2,3,4
5
Bracket Side (L)
1 Screw
A-2
2,3,4
6
Bracket Assembly Door
1 Screw
A-2
2,3,4,5,6
7
Arm Assembly F/L
Chassis Hole
A-2
2,3,4,5
8
Lever Assembly S/W
Chassis Hole
A-2
9
Arm Assembly Cleaner
Chassis Embossing A-3
10 Head F/E
2 Hooks
A-3
11 Base Assembly A/C Head
1 Screw
A-3
12 Brake Assembly S
Chassis Hole
A-4
2,3
13 Brake Assembly T
Chassis Hole
A-4
2,3,12,
14 Arm Assembly Tension
Chassis Hole
A-4
2,3,12,14 15 Reel S
Chassis Shaft
A-4
2,3,13
16 Reel T
Chassis Shaft
A-4
17 Support CST
Chassis Embossing A-5
18 Base Assembly P4
Chassis Embossing A-5
19 Opener Lid
Chassis Embossing A-5
19
20 Arm Assembly T/Up
Chassis Embossing A-5
19
21 Arm Assembly Pinch
Chassis Shaft
A-5
Starting
No.
Pracedure
Part
Fixing Type
Fig-
ure
22
Belt Capstan
A-6
22
23
Motor Capstan
3 Screws
A-6
24
ClutchAssembly D33
1 Washer
A-6
22,24
25
Lever F/R
1 Hook
A-6
22,24
26
GearAssembly H-Up/D
2 Washers
A-6
27
BracketAssembly Jog
1 Screw
A-7
28
Guide Rack F/L
1Screw
A-7
28
29
Gear Rack F/L
A-7
28, 29
30
BrakeAssembly Capstan
Chassis Shaft
A-7
28, 29
31
Gear Drive
1 Washer
A-8
28, 29, 30
32
Gear Cam
Chassis Shaft
A-8
28, 29, 30, 31 33
Gear Connector
Chassis Shaft
A-8
34
BracketAssembly L/D Motor
3 Hooks
A-8
35
Gear Sector
3 Washers
A-9
36
BaseTension
1 Screw
A-9
22, 24, 25, 27 37
Plate Slider
Chassis Shaft
A-9
28, 29, 31, 35
36
22, 24, 25, 27
28, 29, 31, 35 38
Lever Tension
Chassis Hole
A-9
36
35
39
GearAssembly P3
2 Hooks
A-10
35, 39
40
GearAssembly P2
2 Hooks
A-10
35, 39, 40
41
BaseAssembly P3
Chassis Hole
A-10
35, 39, 40, 41 42
BaseAssembly P2
Chassis Hole
A-10
1, 2
43
ArmAssembly Idler Jog
1 Hook
A-10
Starting
No.
Pracedure
Part
Fixing Type
Fig-
ure
5
DECK MECHANISM DISASSEMBLY
Cap FPC
Holder FPC
(only for 4HD-Hi-Fi Models)
Drum Sub Assembly
Rotor
H1
(S1)
(S1)
(S1)
(S2)
(S3)
(S3)
(S2)
Drum Motor
Stator
or
or
Optional Parts
Drum FPC
Holder FPC
(only for 2HD Models)
Holder FPC
(only for 4HD-Mono Models)
1. Drum Assembly (Fig. A-1-1)
1) Unhook the (H1) on the back side of the Chassis and
separate the Cap FPC.
2) Remove three Screws (S1) and lift up the Drum
Assembly.
3) Remove two Screws (S2) and Separate the Stator of
Drum Motor.
4) Remove two Screws (S3) and Separate the Rotor of
Drum Motor from the Drum Sub Assembly.
(1) When reassembling Cap FPC, two Holes of Drum FPC
are inserted to the two Bosses of Holder FPC correctly.
(Refer to Fig. B-1)
Fig. A-1
NOTE
(Fig. A-1-1)
(Fig. A-1-1)
(Fig. B-1)
Holder FPC
Drum FPC
Cap FPC
Figure in the opposite direction