Akai 4000DS Mk-II Service Manual

MECHANISM ASSEMBLY BLOCK
Kef.
No.
Parts No Description
SdtaiiK
Ke.
Q’ty
TAPE GUIDE BLOCK
I.K.I.F
DK.I.S
6-1 x
BZ400948
Tape Guide Block #4 Comp
l
6-2
MZ20431 1
Tape Guide Prop #1700
AT-16
i
6 3 SZ46S377
Tape Guide Talbe A I.C-414
l
6-4
ZW23I 80S
Tape Guide Washer (large)
(SUS27)0.S« 3A-» 2
65
MV248II7
Bearing 635AHZZ-CIE-B32
1
6-6
SZ46S388
Tape Guide Table B
LC-419
1
MECHANISM ASSEMBLY BLOCK
6-7
MZ271776
Mech. Frame LD, w/bush LD* ICl
1
6-8 MZ27329S M-9 Mech. Panel Prop
M9-J0?
4
6-9x ZW414033
Screw, countersunk head 3x8
4
610 MS2S70SI
Lever FA Shaft
900- W
1
6-1 lx
ZW413267 Flange Nut M4
I
6-12 HZ247SI1
Head Prop C
900 U2
2
6 I3x
ZW413201 Screw, pan head 4x8
2
6-14x
ZW4 14044
Screw, countersunk head 4x8
I
6 ISx
MH 25881 6
Hexagon Head Prop
J.h-w?
1
6-I6X MZ410938 Belt Guide Pin
J-K-1009 1
6 - 1 7x
ZW413I88 M4 Nut
3
6-18 MZ2S7073
Lever FB Guide Base M9-I03
1
6 19x
ZW417150 Screw, pan head 4x6
2
6-20
ZC25709S Lever FB Vibration Proof
Spring VI 104
1
6-21 MS24S463
Brake Lever Shaft
900 129 2
6-22x MZ24548S
Brake Lever Pin (AAL.CSA)
MH -138 1
6-23 MZ 31 2524 Shifter Cam
I.D-W6
1
6-24
MZ3I2S3S Shifter Cam Collar
LOW
1
6-25
ZW393726 Screw, truss head 3x10
1
6-26 ES250007
Micro Switch M 8-3 U/L
JS-M
1
6-27
MZ37396I Micro Switch Prop
ncc-i»
2
6-28 MZ205817 Actuator JW-560
21-1-5
1
6-29x
ZW4I405S
Screw, binding head 3x30
1
6-30
ZW414066 Screw, binding head 3x25
1
6-3IX
ZW2737S6 M3 Nut
I
6-32X
ZW273802
M3 Toothed Lock Washer
1
6-33x
ER 376435
Spark Quencher U/L
O.lji 4 120 2S0WV(CEE)
41-1-35
1
6-34x ML308564
Belt Vibration Stopper
(AAL.CSA)
VH-137
1
6-35x ZW413188 M4 Nut
2
6-36x
MZ4S2496 Cycle Angle (CEE)
1.5-IOC* 1
6 37x
ZW4 13201 Screw, pan head 4x8
1
6 38x
ZW3304I2 Adjust Washer (U)
(PBP)D4x 1 3x0.13t
1
6-39x
ZW330423 Adjust Washer (U)
(SUP)D4x 1 3x0.2 St 1
6-40x
ZW3304 34
Adjust Wasehr (U*
(SUP)D4xl 3x0.5t
1
64 |x
ZW33044S Adjust Washer (U)
(SUP)D4xl3x0.8t 1
6-42x
ZW273881 M4 Earth Lug
1
6 43x ZW413267 Flange Nut M4
3
6-44x
ZW462835
Washer (PBP)D4.3xl 1 x0.2t
1
6-4SX ZW462846
Washer (PBP)D4.3xl Ix0.3t
I
6-46
ML475920
New Spring Hook 900-16
1
6-47x
ZW323728
Screw, binding head 3x5
1
6-48
MS260S15 A Lever Shaft
900 124
1
6-49
ML 309093 Lever B.w/lever D
900 W3
I
6-SO
MZ2I7203 Cam Roller A
900 151 2
6-51 ZG469427
Spring B-l
IS-2004 1
6-52
MZ253653 Metal Mt. Part.w/metal
900-174
1
6 S3
ML270685
G Lever, w/lever HB
900-109
1
6-54
MS205558 Idler Shaft A
900 124 1
6-SS
MZ217708
P»u*« Lever Retaining Metal B 900-170
1
6-56
ZG22757S Spring 1
900-121
1
6 S7x
MZ2568I4
Rewind Shaft Spacer
Ml-124
2
6-S8x
ZW20210S Screw, binding head 3x5,
w/lug plate
1
6-S9
ZG208091
Impedance Arm Spring
RU-2W
1
660
ZG312748 Shifter Spoke
Ml 106 1
6-61
MZ293S67
Head Lifter Cam A #1630
1630-104
1
6-62
MZ293578
Head Lifter Cam B #1630
1630 105 1
Kef.
No.
Parts No. Description
Scfceaadf
Nt
Q'ty
6-63x
ZW4| 3223 Screw, binding head 3xS,
w/washer
i
6*64
ML217934 Supply Brake Comp.
9oe-m
i
6-65 ML2S1932 Take-up Brake Comp.
900 114
i
6-66x
ZW2S9942 Washer (Fiber)
D$. 1x10.3x0. St
3
6-67
ZW290283 ‘U' Ring 2.8SM
6*1*1
3
6-68
ML300 1 61 707 Lever A, w/metal
LC-103
1
6-69
ML2S7I96 Lever LC. w/lever E2
LC- V*
1
6-70x
ZW20I 767 Screw, pan head 4x6.
w/washer 2
6 71
ZW2S99I8 Washer (presspan)
DS.I xlO.3xO.2St
4
6-72
ZW290283 'U' Ring 2.8SM
6-1*1
3
6*73 ZG290384 UN Spring D
1610-106
I
6-74
ML256983 Level C2
900-104
1
6-75
ZG2274S2 Spring D
w m
1
6*76
ZG22744I Spring C
900-117
1
6-77
MZ260662 AS Lever Prop Base, w/prop
4TK-2*
1
6-78
ZW323728 Screw, binding head 3xS
2
6-79
ZW273767 Earth Lug D3x20L
1
6-80
ML257040 Lever FA
900-107
1
6-81
MZ217203 Cam Roller A
900-153
1
6-82x
ZW290283 'U' Ring 2.8SM
6-1-1
1
6-83
ML295727 2 Speed Motor Lever F.
w/shaft
MS-107
1
6-84
ZG2703S8 F.B Pull Spring
MI-106
I
6 85
ML2S7I63 Lever K, w/shaft
900 111
1
6-86
ZW260166 Washer (Nylon)
D6.2x13x0.12SI 2
6-87
ZW223233 Fulcrum Screw A 908 135
1
6-88
ZG227S7S Spring 1
900 121
1
6-89
ML243S40 Pinch Roller Lever
900 161
1
6-90
MS243404 Pinch Roller Shaft C
47R-I82
1
6 91 x
ZW25997S Washer (SUP)DS.Ixl0.3x0.8t
1
6-92
ZW413I88 M4 Nut
1
6 93
MR269763 Cam Roller DI3
900 154
1
6-94
MS217192 Cam Roller Shaft A
90C 130 1
6-95
ZG2274I7 Spring A
900-115 1
6 96x
ZW376391 Washer (Polyslider)
06.1x10x0.1 3t
1
6-97
ML479957 Pause Lever (LE). w/screw
IX* 1001
1
6-98
ZW2I7877 Pause Lever Set Screw
900 136
1
6-99
MZ2178$$ Pause Stopper
900*169
1
6-100
ZW323728 Screw, binding head 3x$
1
6-101
ZG2I7866 Pause Lever Spring A
900-123
1
6-102X
ZW2S979S Washer (SUP)D4.3xIlxO.I3t
1
6-103
MZ217686 Pause Lever Cushion
LC-102
1
6-104
MZ2I7II3 Cam Stopper B
RC-129
1
6-105
ZW2 17102 Cam Stopper Insulator Holder
90C165 1
6-106
ZW41324S Screw, pan head 4x1 S
2
6-I07X
ZW413188 M4 Nut
2
6-108
SB488698 Rec. Button
90C 147
1
6-l09x
ZW3I8S32 Cotter Pin 1 x6
1
6-110
MC479968 Counter MP49I-28
f t 23
1
6-111 x
MB406168 Counter Belt D) 23x1.8
3H-229&
1
6-1 12
BL2046S8 AS Lever Block #2 Comp.
• 1
6-113x
ZW322S2S Washer (PBP)D4.lx7x0.2t
1
6-114
ZW290294 ‘IT Ring 2.8SM
6-MB
1
6-llSx
MP204794 Pinch Roller #3
3 4 341 1
6-116
MI204423 Idler Wheel #2
2
6-117x
ZW260076 Washer (Nylon)D6.l x lOxO.St
3
6*1 1 8x
ZW376 391 Washer (Polyslider)
D6.1x10x0.13! 2
6-119
ZW290283 ‘U’ Ring 2.8SM
6-1-1
3
6-120
MI23I423 Middle Wheel, w/metal
900-155
1
6-121
ZW260I22 Washer (Nylon)D6.1xl0xlt
1
6 - 1 22 x
EJ3I7I2S SP TV Consent-Plug
47-1-6 1
6-123X
MZ396393 Lock Wire Tie 11M/M
1
6-124x
E120S97S Cramp Terminal l-SD 12-1-7
3
6-I2S
ML2262S8 Start Lever A. w/lever B-2
4TR-122 l
6-126
SB42S777 Start Button
MS-1002 1
6-!27x
ZW3I4728 Cotter Pin 1.6x8
1
6-128x
ZW42S788 Screw, round head 3x4
2
Ref.
No.
Pares No.
Description
No.
6-129 ZG2I7394
Belt Change Spring B jrM-175
6-130
MZ316956 Cam A-3
MR-242
6-131 MZ2I7293
Cam B-2, without Tap
1530-20!
6-132
ZM4I6687
Screw, binding head 4x8
6133 MV270066 Steel Ball D*8 I
When ordering parts, please describe Parts Number, Serial Number, and Model Number in detail.

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