Akai 4000DS Mk-II Service Manual

FIG. 4 ILLUSTRATION OF FLYWHEEL/
BELT CHANGE LEVER BLOCK
FLYWHEEL/BELT CHANGE LEVER BLOCK
Kef.
No.
Parts No.
Description
Schematic
No.
Q’ty
FLYWHEEL BLOCK
4-1 x
BF205075
Flywheel Block #5 Comp.
1
4-2
MZ244473
Flywheel
707-S-10 1
4 3
MS244708
Flywheel Shaft
SRA-21 1
4-4
ZW373S77
Set Screw, hexagon socket
Sx6(f1at) 2
4-5
ZW447208
Flywheel Thrust B
D7.9x 1 3x0.St 101025
4-6
MZ296267
Main Case B 24 Comp.
1630 205
4-7
MZ446635
Thrust Cap, Main Metal B2
LF-2006
4-8
ZW2447 10
Flywheel Fixing Pin
900-250
4-9x
MZ2441 13
Felt D1 2.5x 1 6x2t
4-10 MZ2S3113
Main Metal Cap B
Mil-208
4-1 1
MY27005S
Capstan D8
SRA-7
4-12 ZW293027
1100 Capstan Screw
SRA-6B
4-1 3x
BC252977
Main Shaft Collar
SRA-32
BELT CHANGE LEVER BLOCK
4-1 4x BL203523
Belt Change Lever Block
Comp. A
1
4-IS
ML2174SI
Belt Change Lever (small),
w/rollcr B
M11-221 1
4-16 MZ248354
Belt Guide Stop, w/metal
4TII 221
1
4-17 ZG2I7337
Belt Return Spring
4TH-224
1
4-18 ZW41320I Screw, pan head 4x8
1
4-19x ZG217394
Belt Change Spring B
MH-125 1
4-20x ZW260054
Washer (SUP)D6.1 x 10x0.2St
1
4-2 lx
ZW290283
•IT Ring 2.8SM
6-1-1
1
1
4-22
MB2S6601
Double Face Flat Belt D=II0
100912
1
4-23
MZ24463I
Flywheel Prop B
4TK-I15 1
4-24
MZ244620
Flywheel Prop A
4TR-116
1
4-25x
ZW4240S6
Screw, pan head 4x10
2
4-26x
ZW273914
M4 Spring Washer
2
4-27
ZW244574
Flywheel Support Adjust
Screw
4TR-I14 1
4-28x
ZW231794
Tape Guide Washer (small)
3A-355
1
4-29
ZW274048
MS Nut
1
4-30
MZ244530
Flywheel Support Plate B
M8-I09
1
4-31
ZW235585
Nylon Plate D=8
1
4-32
ZW4 13998
Washer (SPC)D6.8xl 2.7x 11
1
4-33
ZW393232 1/4 Inch Spring Washer
1
4-34
ZW413280 Inch Nut 1/4 Thread=20
1
4-3S
MV269965 Steel Ball 4mm
1

Akai 4000DS Mk-II Specifications

General

Type	Reel to Reel
Track System	4-track, 2-channel, stereo/monaural system
Signal to Noise Ratio	50dB
Reel Size	Up to 7 inch reel
Total Harmonic Distortion	1.5%
Output	0.775V (line)
Tape Speed	3.75 & 7.5 ips
Heads	1 x erase
Input Sensitivity	50mV (line)
Semiconductors	6 x Transistors
Inputs	Line
Outputs	Line