Akai X-150D

Scan pages 17–24

Parts

IX. Replacement Parts Table

Parts No.Nomenclature
C1-001* Deck Panel
002* Knob, Track Selector Control
002aScrew, Retaining Track Selector Control Knob
003* Head Cover (Main)
004* Head Cover (Sub)
005Base, Head Cover
006aCapstan Rest
006bCapstan Holder
007aTop Plate, Tape Guide
007bTable, Tape Guide
007cBearing, Tape Guide
007dBottom Plate, Tape Guide
008Tape Cleaner, Complete
008aFelt, Tape Cleaner
009Prop A, Head Cover
010Prop C, Head Cover
011Escutcheon, Recording Lamp

Deck Frame

Parts No.Nomenclature
C2 001* Deck Frame
002Head Assembly, Complete
002aErase Head
002bRecord/Playback Head
002cBias Head
002d[illegible] Spring, D
002eTape Guide (No. 17)
002fTape Guide (N-3)
002gTape Guide (N-2)
002hTable, Head
002i4T Cam
002jGear B, Head
002kSpring, Field Table
002lHolder, Spring
002mNut, Head Lever
002nUp-Down Table, Field
002oTable, Field
002pSpring, Field Table
002qMicro Angle Table
002r4T Shaft
002sUpper Plate, Head
002tScrew, Angle Adjustment
002uPlate, retaining Erase Head
002vPlate, retaining Record/Playback Head
002wSide Plate, Bias Head
002xRotary Switch
002yGear A, Head
002z4T Switch Table
C2-003Tape Counter, Complete
003aPulley, Counter
003bBelt, Counter
004* Supply Reel Assembly, Complete
004aRetainer, Reel
004b* Reel Plate, Assembly
004cRubber Ring
004dRewind Pulley
004eSpring G (Left)
004fWasher
004gThrust Washer Pin, Reel
004hTake-up Roller, C
004iHolder, Reel (Star Type Spring)
004jNylon Washer
004kWasher
004lWasher
004mThrust Washer Pin, Reel
004nWasher
004oWasher
004p* Metal Fitting, Reel
004qHolder, Reel (Star Type Spring)
004rWasher
004sWasher Pin
004tPulley B2, Reel
004uScrew, without Head 4×7
004vPulley C, Reel
004wScrew Flat 3×6
004xScrew
005* Take-up Reel Assembly, Complete
005aTake-up Roller, A
005bSpring G (Right)
005cTake-up Roller, D
005dSpring F3
005eWasher
005f. Washer
005gSet Sleeve
005hScrew, without Head 3×3.2
005iNylon Tube
006aAS Lever, Complete
006bSpring, AS Lever
006cPlate, AS Lever (with Prop)
007aInstant Stop Lever, A
007bSpring, Instant Stop Lever
007cStopper, Instant Stop Lever
007dHolder B, Instant Stop Lever
007eScrew, Retaining Instant Stop Lever
008aRecording Safety Button
008bCam Stopper
008cFiber, Cam Stopper
008dInsulator Plate, Cam Stopper
009aPinch Wheel
009bMetal Cap, Pinch Wheel
009cScrew, Pinch Wheel
C2-009dLever, Pinch Wheel
009eShaft C, Pinch Wheel
009fSpring, Pinch Wheel
009gShaft A, Cam Roller
009hCam Roller, B
010aLever, Take-up Brake Roller
010bRubber (Small), Brake
010cScrew, Brake Roller
010dShaft, Brake Lever
011aLever, Supply Brake Roller
011bRubber (Large), Brake
011cScrew, Brake Roller
011dShaft, Brake Lever
012a6P Slide Switch ESS-22C-NB (Automatic Switch)
012bPlate, Automatic Switch
013aSpeed Change Switch
013bTable, Speed Change Switch
013c* Spring, Lever FB
014Idler Wheel, A
015Internal Wheel
016aLever, A (with Lever E)
016bShaft, Lever A
016cSpring, D
017aLever, B (with Lever D)
017bCam Roller, A
017cCam Roller, B
017dSpring, B
018aLever, C3
018bSpring, D
019aLever, G (with Lever H-D)
019bMetal, Lever G
019cShaft B, Idler
019dSpring, Lever H-D
020aLever, K
020bScrew
020cTorsion Spring, D
020dBush
021aLever, FA
021bCam Roller, A
022Lever, F (for Motor)
023Lever, A2
024Field Lever, A
025Field Lever, B
026Field Lever, D
C2-027Field Lever, E
028* Prop, Panel
029Holder B, Spring
030Pin B, Spring
031Stopper C, Lever G
032Hum Bucking Coil
033Cycle Change Switch
034Micro Switch V-1A
0353P Lug Plate
0364P Jack
038aLever, Belt Change
038bStopper, Belt Change Lever
038cSpring, Belt Change Lever
038dSpring B, Belt Change Lever
040* Table, Oscillator Card Block
041* Voltage Adjustment Coil
042* Tubular Type Electrolytic Condenser

Motor Block

Parts No.Nomenclature
C3-001Motor, Complete
001a+ Screw Semi-Cubic 3×15
001bStepped Pulley
001cMotor Pulley
001dHolder L, Motor
001fMotor Fan
001gScrew, without Head
001hProp A, Motor
001iProp B, Motor
001j* MP Condenser 2μ + 0.8μ 250VAC
001kHolder, MP Condenser
001l– Screw Flat Mould 4×50
001mExternal Shield Plate, Motor
002a* MP Condenser 1μ 220VAC
002b5P Lug Plate
003Drive Belt

Flywheel

Parts No.Nomenclature
C4 001Flywheel, Complete
001aCapstan
001bMain Metal Cap, B
001cWasher Pin
001dMain Metal Case, B
001eSpring, Main Metal
001fNylon Washer
001gMain Shaft C
001i4mm Ball Bearing
001jNylon Plate
001kPlate B, Flywheel
001lWasher
001mSpring Washer
001nWasher
001o5mm Wing Nut
001pScrew, Flywheel Adjustment
001q5mm Nut
001rProp B, Flywheel
001sProp A, Flyweel

Switch Block

Parts No.Nomenclature
C5-001Switch Block, Complete
001a* Knob, Record/Play & Rewind Forward Fast
001b* Screw
001cCam, A 2
001dCam, B
001eCam Roller, A
001fSwitch Table, A
001gSpring, E
001hLever, I
001iScrew
001j4mm Nut
001kRotary Switch S-133-B
001lFast/Forward Rewind Shaft
001mPlate, Cam
001nSpring, K
001oCam, C
001p+ Screw Flat Mould 4×6
001qShield, Mechanism Switch
001rSwitch Table, B
001sWasher
001tCam
001uWasher
001vWasher Pin
002aWired Resistor 5W 170Ω
002b5P Lug Plate

Case Block

Parts No.Nomenclature
C6-001* Case
002aTable, Rubber Foot
002bRubber Foot
002c+ Semi-Cubic 3×6
003* Ventilator, A
004* Ventilator, G
005a* Speaker Chassis, Left
005b* Speaker Chassis, Right
006Speed Nut

Amplifier

Parts No.Nomenclature
C7-001Amp. Chassis
001aLug Plate, 2L2
001bLug Plate, 1L1
001cLug Plate, 1L
002* Power Transformer (T-1)
003aHolder, Jack
003bName Plate, Jack
004aDIN Jack (J5)
004b2 Pole E1 Jack (J3)
004c2 Pole E Jack (J2)
004d2 Pole E1 Jack (J1) (Mic.)
004e3 Pole E Jack (J4) (Headphone)
005Toggle Switch ST-110A (Power Switch) (SW-1)
006aPlate D, Jack
006bPlate C, Jack
007Variable Resistor 50KΩ (A) (VR1)
008Rotary Switch F-243 (SW-9)
008aShield Holder
009aAmplifier Lever, A
009bAmplifier Lever, B
009cSpring B
010aLamp Socket (Swan Type)
010bPilot Lamp
011* VU Meter
012aHolder D, Multi Jack
012b10P Multi Jack
012cProp, Multi Jack
013aResistor 1/4P 680KΩ (R1)
013bResistor 1/4P 220KΩ (R2)
013cResistor 1/4P 68KΩ (R3)
013dWired Resistor 2W 82Ω (R5)
013eResistor 1W L 910Ω (R4)
013fResistor 1/4P 4.7KΩ (R8)
013gResistor 1/4P 15KΩ (R9)
014aTubular Type Electrolytic Condenser 500μF 50WV (C1)
014bTubular Type Electrolytic Condenser 1000μF 25WV (C2)
015Holder, Card
016Shield
017Silicon Diode SW-05-01
018Angle, Voltage Change
0196P Slide Switch ESS-22A-NB (SW3)
020Name Plate, Cycle Change
021Socket, Voltage Change
022Hexangular Prop, Selector
023Plug S, Voltage Change
024Name Plate, AC Change
025Closed Nut
0262P Jack (J6)
027aFuse Post
027bFuse
028Cord Support
029Rubber Bush, AC Cord
030AC Cord (10 Feet)
031Chip Jack (J7)
0324P Connector Socket (J9)
033* Knob A (Rec. Level)
034Knob B (Equalizer)
0354P Connector Socket

Card Block

Parts No.Nomenclature
C8 001* Switch Block Card, Complete (CD 511)
002* Printed Circuit Plate, Switch Block
003* Slide Switch SL-1021F
004a* Inductance 3mH (J)
004b* Inductance 47mH (J)
005* Diode 1N34A (D101)
006* Transistor 2SC458 (B) (Tr5)
007* 4P Plug
008a* Resistor 1/4P 120KΩ K (R109)
008b* Resistor 1/4P 68KΩ K (R101)
008c* Resistor 1/4P 22KΩ K (R102, 103, 105)
008d* Resistor 1/4P 15KΩ K (R107)
008e* Resistor 1/4P 12KΩ K (R111)
008f* Resistor 1/4P 10KΩ K (R106, 110)
008g* Resistor 1/4P 5.6KΩ K (R104)
008h* Resistor 1/4P 2.7KΩ K (R112)
008i* Resistor 1/4P 1KΩ K (R108)
009* Variable Resistor V-10K5 2KΩ B
010a* Condenser 3μ 25V (C108)
010b* Condenser 10μ 10V (C110)
010c* Condenser 30μ 3V (C111)
010d* Condenser 330PF 35V K (C102)
010e* Condenser 0.01μ 50V K (C105)
010f* Condenser 0.012μ 50V J (C103)
010g* Condenser 0.015μ 50V K (C106)
010h* Condenser 0.022μ 50V K (C109)
010i* Condenser 0.056μ 50V K (C107)
010j* Condenser 0.15μ 35V K (C101)
010k* Condenser 120PF (J) (C104)
010l* Condenser 220PF 125V (K)

Pre-Amplifier

Parts No.Nomenclature
C9 001* Record/Playback Pre-amplifier Card, Complete (CD 512)
002* Printed Circuit Plate, Record/Playback Pre-amplifier
003a* Transistor 2SC650 (A) (Tr1, 2)
003b* Transistor 2SC281 (B) (Tr3, 4)
004a* Resistor 1/4P 220Ω K (R205)
004b* Resistor 1/4P 3.3KΩ K (R204)
004c* Resistor 1/4P 4.7KΩ K (R207, 211)
004d* Resistor 1/4P 22KΩ K (R206)
004e* Resistor 1/4P 68KΩ J (R217)
004f* Resistor 1/4P 100KΩ J (R201, 202, 208)
004g* Resistor 1/4P 120KΩ J (R209)
004h* Resistor 1/4P 150KΩ K (R203)
004i* Resistor 1/4P 100Ω K (R) 214)
004j* Resistor 1/4P 330Ω K (R216)
004k* Resistor 1/4P 470Ω K (R213)
004l* Resistor 1/4P 1.5KΩ K (R215)
004m* Resistor 1/4P 10KΩ K (R210)
004n* Resistor 1/4P 15KΩ K (R212)
005a* Condenser 100μ 3V (C208, 209)
005b* Condenser 10μ 10V (C204, 202, 201, 206)
005c* Condenser 10μ 25V (C212)
005d* Condenser 50μ 25V (C203)
005e* Condenser 330P 35WV (C211)
005f* Condenser 220P 35V (C213)
005g* Condenser 0.01μ 50V (C205)
005h* Condenser 0.22μ 50V (C210)
005i* Condenser 1μ 10V (C207)
006* Variable Resistor 20KB (VR201)
007* Headphone Transformer 7K 8Ω (T201)
Parts No.Nomenclature
C10-001* Oscillator Block Card, Complete
002* Printed Circuit Plate, Oscillator
003* Oscillator Coil
004* Transistor 2SC696 (Tr6, 7)
005a* Condenser 9000PF 500V (C405)
005b* Condenser 100μ 3V (C402)
005c* Condenser 10μ 50V (C401)
005d* Condenser 0.01μ 50V (C404)
005e* Condenser 0.047μ 50V (C403)
005f* Condenser 220P (C406, 407)
006a* Resistor 1/4W 1KΩ K
006b* Resistor 1/4W 100Ω K
006c* Resistor 1/2W 10Ω K
007* Diode SW-05-01
008* Frame, Oscillator
009* Nylon Roller

X. Exploded View of Component Parts

Case

Exploded view of the case, front and rear halves open on their hinge, with callouts C6-001, C6-004 and C6-003Exploded view of the case, front and rear halves open on their hinge, with callouts C6-001, C6-004 and C6-003

CalloutComponent (Chapter IX)
C6-001* Case
C6-004* Ventilator, G
C6-003* Ventilator, A

Front Panel

Front panel of the assembled deck with 25 numbered leader-line callouts identifying knobs, jacks, switches and the head coverFront panel of the assembled deck with 25 numbered leader-line callouts identifying knobs, jacks, switches and the head cover

CalloutComponent (Chapter IX)
C1-001* Deck Panel
C1-002* Knob, Track Selector Control
C1-003* Head Cover (Main)
C1-004* Head Cover (Sub)
C1-006
C1-007
C1-008Tape Cleaner, Complete
C1-012
C2-003Tape Counter, Complete
C2-004aRetainer, Reel
C2-006aAS Lever, Complete
C2-007aInstant Stop Lever, A
C2-008aRecording Safety Button
C2-009aPinch Wheel
C2-012a6P Slide Switch ESS-22C-NB (Automatic Switch)
C2-013aSpeed Change Switch
C2-033Cycle Change Switch
C4-001aCapstan
C5-001a* Knob, Record/Play & Rewind Forward Fast
C7-004d2 Pole E1 Jack (J1) (Mic.)
C7-004e3 Pole E Jack (J4) (Headphone)
C7-005Toggle Switch ST-110A (Power Switch) (SW-1)
C7-011* VU Meter
C7-033* Knob A (Rec. Level)
C7-034Knob B (Equalizer)

Amplifier-1

Amplifier chassis viewed from above with legs folded down, showing the card holders, power transformer, and rear jack panel with numbered leader-line calloutsAmplifier chassis viewed from above with legs folded down, showing the card holders, power transformer, and rear jack panel with numbered leader-line callouts

CalloutComponent (Chapter IX)
C6-005a* Speaker Chassis, Left
C6-006Speed Nut
C7-001Amp. Chassis
C7-002* Power Transformer (T-1)
C7-005Toggle Switch ST-110A (Power Switch) (SW-1)
C7-005b
C7-007Variable Resistor 50KΩ (A) (VR1)
C7-008Rotary Switch F-243 (SW-9)
C7-008aShield Holder
C7-010aLamp Socket (Swan Type)
C7-010bPilot Lamp
C7-011* VU Meter
C7-012aHolder D, Multi Jack
C7-013dWired Resistor 2W 82Ω (R5)
C7-014aTubular Type Electrolytic Condenser 500μF 50WV (C1)
C7-014bTubular Type Electrolytic Condenser 1000μF 25WV (C2)
C7-018Angle, Voltage Change
C7-0196P Slide Switch ESS-22A-NB (SW3)
C7-020Name Plate, Cycle Change
C7-023Plug S, Voltage Change
C7-024Name Plate, AC Change
C7-025Closed Nut
C7-027aFuse Post
C7-030AC Cord (10 Feet)

Amplifier-2

Amplifier chassis viewed from the rear with legs extended, showing the transformer housing, jack panel and card block area with numbered leader-line calloutsAmplifier chassis viewed from the rear with legs extended, showing the transformer housing, jack panel and card block area with numbered leader-line callouts

CalloutComponent (Chapter IX)
C6-005a* Speaker Chassis, Left
C6-005b* Speaker Chassis, Right
C7-001Amp. Chassis
C7-002* Power Transformer (T-1)
C7-003aHolder, Jack
C7-003bName Plate, Jack
C7-004aDIN Jack (J5)
C7-004b2 Pole E1 Jack (J3)
C7-004c2 Pole E Jack (J2)
C7-004e3 Pole E Jack (J4) (Headphone)
C7-005Toggle Switch ST-110A (Power Switch) (SW-1)
C7-006aPlate D, Jack
C7-006bPlate C, Jack
C7-006d
C7-008Rotary Switch F-243 (SW-9)
C7-009aAmplifier Lever, A
C7-009bAmplifier Lever, B
C7-009cSpring B
C7-011* VU Meter
C7-018Angle, Voltage Change
C7-021Socket, Voltage Change
C7-0262P Jack (J6)
C7-027aFuse Post
C7-031Chip Jack (J7)
C7-0324P Connector Socket (J9)
C7-0354P Connector Socket

Card Block-1

Record/Playback Pre-amplifier card (CD 512) component side, with leader-line callouts to every resistor and condenser position, and the CD-512 printed-circuit trace layout below itRecord/Playback Pre-amplifier card (CD 512) component side, with leader-line callouts to every resistor and condenser position, and the CD-512 printed-circuit trace layout below it

CD-512 printed circuit board trace layout, orange copper traces on white, with connector pins 1–10 and component reference designators Tr1–Tr4, R201–R217, C201–C213, VR201 and T201 printed directly on the boardCD-512 printed circuit board trace layout, orange copper traces on white, with connector pins 1–10 and component reference designators Tr1–Tr4, R201–R217, C201–C213, VR201 and T201 printed directly on the board

CalloutComponent (Chapter IX)
C9-002* Printed Circuit Plate, Record/Playback Pre-amplifier
C9-003a* Transistor 2SC650 (A) (Tr1, 2)
C9-003b* Transistor 2SC281 (B) (Tr3, 4)
C9-004a* Resistor 1/4P 220Ω K (R205)
C9-004b* Resistor 1/4P 3.3KΩ K (R204)
C9-004c* Resistor 1/4P 4.7KΩ K (R207, 211)
C9-004d* Resistor 1/4P 22KΩ K (R206)
C9-004f* Resistor 1/4P 100KΩ J (R201, 202, 208)
C9-004g* Resistor 1/4P 120KΩ J (R209)
C9-004i* Resistor 1/4P 100Ω K (R) 214)
C9-004j* Resistor 1/4P 330Ω K (R216)
C9-004k* Resistor 1/4P 470Ω K (R213)
C9-004l* Resistor 1/4P 1.5KΩ K (R215)
C9-004m* Resistor 1/4P 10KΩ K (R210)
C9-004n* Resistor 1/4P 15KΩ K (R212)
C9-005a* Condenser 100μ 3V (C208, 209)
C9-005b* Condenser 10μ 10V (C204, 202, 201, 206)
C9-005c* Condenser 10μ 25V (C212)
C9-005d* Condenser 50μ 25V (C203)
C9-005e* Condenser 330P 35WV (C211)
C9-005f* Condenser 220P 35V (C213)
C9-005g* Condenser 0.01μ 50V (C205)
C9-005h* Condenser 0.22μ 50V (C210)
C9-005i* Condenser 1μ 10V (C207)
C9-006* Variable Resistor 20KB (VR201)
C9-007* Headphone Transformer 7K 8Ω (T201)

Card Block-2

Switch Block card (CD 511) mounted on its heatsink with the AC cord and plug, leader-line callouts to every resistor and condenser position, and the CD-511 printed-circuit trace layout below itSwitch Block card (CD 511) mounted on its heatsink with the AC cord and plug, leader-line callouts to every resistor and condenser position, and the CD-511 printed-circuit trace layout below it

CD-511 printed circuit board trace layout, orange copper traces on white, with the L/R channel switch contacts, "REC ⇔ PLAY" sliding-switch rails, and component reference designators printed directly on the boardCD-511 printed circuit board trace layout, orange copper traces on white, with the L/R channel switch contacts, "REC ⇔ PLAY" sliding-switch rails, and component reference designators printed directly on the board

CalloutComponent (Chapter IX)
C8-002* Printed Circuit Plate, Switch Block
C8-003* Slide Switch SL-1021F
C8-004a* Inductance 3mH (J)
C8-004b* Inductance 47mH (J)
C8-005* Diode 1N34A (D101)
C8-006* Transistor 2SC458 (B) (Tr5)
C8-007* 4P Plug
C8-008a* Resistor 1/4P 120KΩ K (R109)
C8-008c* Resistor 1/4P 22KΩ K (R102, 103, 105)
C8-008d* Resistor 1/4P 15KΩ K (R107)
C8-008e* Resistor 1/4P 12KΩ K (R111)
C8-008f* Resistor 1/4P 10KΩ K (R106, 110)
C8-008g* Resistor 1/4P 5.6KΩ K (R104)
C8-008i* Resistor 1/4P 1KΩ K (R108)
C8-010a* Condenser 3μ 25V (C108)
C8-010b* Condenser 10μ 10V (C110)
C8-010c* Condenser 30μ 3V (C111)
C8-010d* Condenser 330PF 35V K (C102)
C8-010f* Condenser 0.012μ 50V J (C103)
C8-010h* Condenser 0.022μ 50V K (C109)
C8-010j* Condenser 0.15μ 35V K (C101)

Card Block-3

Oscillator Block card component side, with leader-line callouts to the oscillator coil, transistors and condensers, and the oscillator board's printed-circuit trace layout below itOscillator Block card component side, with leader-line callouts to the oscillator coil, transistors and condensers, and the oscillator board's printed-circuit trace layout below it

Oscillator ("M9-504 XR-OSC") printed circuit board trace layout, orange copper traces on white, with Tr6/Tr7 transistor pads and component reference designators C401–C407 and R402–R404 printed directly on the board, captioned "Tr 6, 7. 2SC696 (J)(I)(F)"Oscillator ("M9-504 XR-OSC") printed circuit board trace layout, orange copper traces on white, with Tr6/Tr7 transistor pads and component reference designators C401–C407 and R402–R404 printed directly on the board, captioned "Tr 6, 7. 2SC696 (J)(I)(F)"

CalloutComponent (Chapter IX)
C10-002* Printed Circuit Plate, Oscillator
C10-003* Oscillator Coil
C10-004* Transistor 2SC696 (Tr6, 7)
C10-005a* Condenser 9000PF 500V (C405)
C10-005b* Condenser 100μ 3V (C402)
C10-005c* Condenser 10μ 50V (C401)
C10-005d* Condenser 0.01μ 50V (C404)
C10-006a* Resistor 1/4W 1KΩ K
C10-006b* Resistor 1/4W 100Ω K
C10-006c* Resistor 1/2W 10Ω K

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