Akai 4000DS Mk-II Service Manual

FIG. 5 ILLUSTRATION OF SWITCH BLOCK
SWITCH BLOCK
Ref.
No.
Parts No.
Description
Schrtrtlic
No.
Q’cy
Six
BS480352
Switch Block Comp.
1 . 1 .
i
S-2
MZ3I690I
Switch Table A-2 (SX).
w/prop
MH-201
i
5-3 ES316934
Y Type RWI) Shaft
25-8-5
i
5-4
ES369865 RCC Y Type RWD Shaft
IICC 202 l
S-Sx M Z 316945
Nut Plate
Mil-245
2
S-6x
ZW202I38
Screw, binding head 3x6,
w/washer
4
5-7x MZ3I6956
Cam A-3
MU-242
1
S*8x
ZW413201 Screw, pan head 4x8
1
S 9x ZW260I33
Washer (Kiber)D6.1 xlOx 1 1
2
510
MZ32734I
Cam Trap Plate B
S \-201
1
5 11
ZG227586 Spring K
900-214
1
5 12
MZ3273S2
Cam C-2
SX-202 1
513
ZW20I778
Screw, pan head 4x8
1
SI4x ZW434 2! 5
Washer (Nylon)
D6.lxl0.3x0.3t
1
S-ISx
ZW434I93
Washer (Nylon)
1)6.1x10.3x0.St
1
S-I6x
MV 270066 Steel Hall 1)8
1
SI7x
MZ2I7293 Cam B-2, without tap
1630 201
1
S I8x
ZW4 16687
Screw, binding head 4x8
1
S- 19
ML257I28 Lever 1, w/shaft
900 209
1
5 20
MZ2I7203
Cam Roller A
900 153 1
5-2 lx
ZW290283 •U* Ring 2.85M
61-1
1
5-22
ZW2I7877
Pause Lever Set Screw
9(0-136 1
5-2 3x
ZW260I66
Washer (Nylon)
D6.2X 13x0.1251
1
S-24x
ZW273892
M4 Toothed Lock Washer
1
S-2 5
ZW273960 M4 Nut
1
S 26
MZ22S720
Switch Table B-2
M9 308
1
5-27
ZW4 13201 Screw, pan head 4x8
2
5*28
MZ2S8S8I
Rec. Lever Prop
M9 303
1
S-29
ZW260I33
Washer (Kiber)D6.l x lOxIt
1
5-30
MZ3I7068 Amp. Switch Cam B
MU-243
1
5-31
ZW4I320I
Screw, pan head 4x8
1
5-32
MZ2 17686
Pause Lever Cushion
1C-102
I
5-33 ML488744
Rec. Lever C. w/shaft B
I.K-2002
1
5-34
MR269728
Cam Roller DI2.S
KC.-I26 1
S-3Sx
ZW290283 *U' Ring 2.85M
6 1 1 1
S-36
M L 2 2 6 14 6
Switch Lever BL
1 H-103 1
S-37
ZW2032S3
Hexagon Bolt 4x7. w/washer
2
5-38
ZG227S64 Spring II
900 120
1
5-39
ZW290283 ‘I r Ring 2.85M
6 11
1
S 40
Z(»22748S Spring E
900 119 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