Akai HXA305W SERVICE MANUAL

AK AI

SItMEO

.X,UaLE

CASSETTE

DECK

HX-A305W

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TAPE

TAPE

TAPE

STEREO

DOUBLÉ

SPECIFICATIONS

Track

system

4

Heads

HD

Motors

DC

Winding

Wow & flutter

Frequency

time

140sec.(C-60

response Normal: 30Hz

track 2 channel

playback

Erase

motor

DC

motor

0.16%

Metal:

head

head

(DIN)

30Hz

for

X 2

X 1

for

for

tape)

to

CASSETTE

MODEL

stereo

recording

capstan drive

reel drive

to

13,()00Hz

16,(K)0Hz

and

X 2

DECK

HX.A305W

S/N

(Metal) 57dB (Measured

peak recording leve!)

Dolby B type NR switch ON:

Improves

lOdB

above

Total

X 1

+ 3dB

+ 3dB

harmonie

distortion

Input

sensitivity/

Impedance 70mV/50kohms

Output

level/

Impedance 440mV/22kohms

Dimensions

Weight 4.1

0.9%

415(W) X 123(H) X 240(D)mm

X 4.8 X 9.5

(16.3

kg

(9.0Ibs)

via

tape

up to 5dB at

5kHz

(Metal)

inches)

with

IkHz,

*

For

improvement Purposes, specifications

* Noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.

"Dolby"

and the

double-D symbol

are

trade marks

and

design

are

subject

of

Dloby Laboratories Licensing Corporation.

to

change

without notice.

•

SAFETY

INSTRUCTIONS

PRECAUTIONS

1.

Parts identified by thezyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA A symbol parts are

for

safety. Replace only

2.

In addition to safety, other parts and assemblies are

specified
those

applying to spurious radiation.

These

must also be replaced only
replacements.
Examples:
selector

switches,

noise blocking

3.

Use specified internal

1)

Wires

covered

2)

Doublé

3)

High

voltage leads

4.

Use specified insulating materials for hazardous hve

parts. Note especially;

1)

Insulation Tape

2) PVC

tubing

3)

Spacers

4)

Insulation sheets for transistors

5)

Plastic screws for

in

turntable)

5.

When replacing AC primary side components (trans-

formers,
wrap
before soldering.

power cords, noise blocking capacitors, etc),

ends

DURING

for conformance

RF converters, tuner units, antenna

RF

cables,noise blocking capacitors,

filters,

with

insulated wires

(Insulating

of wires securely

SERVICING

with

parts number specified.

with

such regulations as

with

etc.
wiring.

Note especially:

PVC

tubing

Barriers)

fixing

microswitch (especially

about

critical

specified

the terminals

7.

Check

8.

9.

Use care

SAFETY

Confirm
power cord plug prongs and externally exposed parts
of

the set is greater than 10 M ohms. but for equipment

with

and is intended for [c] orzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA [A\, specified insulation re-

sistance should be
more than 2.2 M ohms (ground terminals, microphone

jacks).

that

replaced wires do not contact sharp

edged or pointed parts.

Also

check areas surrounding repaired locatoins.

that

foreign objects

etc.)

do not remain inside the set.

CHECK

the specified insulation resistance between

external antenna terminals (tuner, receiver, etc.)

AFTER

headphone

(screws,

SERVICING

jacks

solder dropiets,

line-in-out jacks etc.

4=

cX>

6. Observe

that

wires do not contact
parts (heatsinks, oxide metal
resistors,

etc).

fihn

• INFORMATION

SYMBOLS

Alphabet
below.

Symbols

CA:

[c]

m

m

FOR

indicates the destination of the units as listed

PRIMARY

Principal

Destinations
USA
UK
Canada
Europe

(except UK)
Japan
Australia
W.

Geimany only
Universal
Custom

Area

version

DESTINATION

heat

producing

resistors, fusible

I.

DISASSEMBLY

1-1 Removal

1)zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA Remove

move

2)

The

screws

Screws©

Screws

1-2

Removal

1)

Remove

panel,

of

Top and

the 7

screws

the top

bottom

cover

cover

® .

®

of

Front Panel

the 2

screws

the 3 screws ® on the

(D on the top, as

2)

Disconnecting

all

the ground lead connected

will

permit removal

Screw®

Screw

(3)

Bottom Covers

® as

by

sHding

can

be

^

® on

shown

in

wiring

from

of the

shown

in

it

off to the

removed

by

either side

bottom,

Fig.

1-2.

the

Main

to the

mechanism chassis

front panel.

Fig.1-1

and

rear.

removing

of the

and the 1

P.C.B.

Screws

@

re-

the

6

Screws

Fig.1-1

front

screw

and

Q

1-3-2

Removal

1) The

button

2

screws

2)

The

REC/PB

moving their securing screwszyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

3)

After replacing

the

out

4)

Remove

Button

Ass'y

fixing

Screws

of

REC/PB,

assembly

can

Erase

be

Head

removed

O .

and

Erase

heads

can

®

(2

the

REC/PB

head,

head azimuth adjustment.

the

(7)

Erase
fixjig

pinch roller

head

Screws®

REC/PB

fixing

Screws®

by

removing

^

head

REC/PB

and

be

each).

be

Screw

head

Finch

by

removed

sure

the 1

(9)

Roller

removing

by re-

to

crew

®.

Mechanism

Ass'y

(Tape

I or

the

carry

Tape

2)

Fig.1-4

1-3-3

Removal

1)

Removing

plate

motor 1 still

2)

Removing

will

allow

3) After

can

be

4)

Removing

plate

motor 2 still

5)

Removing

will

allow

6)

After

can

be

of

Motor, Flyweel

the 2

screws

will

allow disassembly

attached.

the 2

screws (B) which secure

the

motor 1 to

the

motor 1 has

removed.

the 6

screws © which secure

will

allow desassembly

attached.

the 3

screws © which secure

the

motor 2 to be

the

motor 2 has

removed.

(A)

which secure

of the

be

removed from

been

removed,

of the

removed from

been

removed,

plate

the

the

the

plate

the

the

the

the

with

motor

plate.

flywheel

the

with

motor

plate.

flywheel

motor

the

1

1

motor

the

2

2

1-3

Removal

1-3-1 Removal

1) Remove

section

2)

The mechanism assembly

EJECT

the

w'hich

the

2.

secure

of

Mechanism Section

of

Mechanism Assembly

front panel, following

button,

the

mechanism assembly.

\ 1 1 i \ H

and

Screws

can

be

removing

(

Screws

removed

©

the

the 6

(Fig.

GND

Screw

Fig.1-2

procedures

by

pushing

screws

1-3)

wire

Fig.

•SERVICE

(

in

®

1-3

MANUAL-

Mechonism

AssV

Screw©

Motor
MoJn

belt

FlywDeel

Screws

I

I

©

Fig.1-5

3

II.

CONTROLS

O TAPE COUNTER and Reset button (For the

TAPE II deck)

Shows tape running numerical index for

TAPE

M

@ TAPE II cassette Md and holder

Q TAPE I cassette lid and holder

Q POWER indicator

lil.

deck.

Load a cassette tape here for recording and
playback.

Load a cassette tape here for playback.

• The TAPE I deck has the auto tape selec­tor inside of the cassette compartment.

Tells you the cassette deck is turned on.

PRINCIPAL PARTS LOCATION

Q REC indicator

Tells you the cassette deck is in the record­ing mode.

0 PEAKLEVEL METER

Shows recording and playback levels.

Q TAPE SELECTOR Switch (METAL _ /

NORMAL m , For the TAPE II deck)
To select the tape position according to the
tape being used.
Attention:

Q REC LEVELzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA Controls (LEFT/RIGHT)

To set the recording input levels.

@ DUBBING SPEED switch ( x 2 — / x

To select speed for dubbing operation.

recording.

Do not change the switch during

1

m )

(B) DOLBY NR switch and indicator ( _ ON/

- OFF)
To record or playback with DOLBY
NR system,
The indicator will light when the switch is set
toON.

(]) TAPE I deck Tape operation buttons

For winding tape and playback operations.

TAPE II deck Tape operation buttons

For winding tape, playback and recording op­erations.

POWER switch
To turn on and off the power.

B-type

4

SERVICE

MANUAL

V.

PARTS

1.

When placing an order for parts, be sure to list

Otherwise,

2.

Please make sure that

If

not, a part different from the one you ordered may be delivered.

3.

Since the parts shown in Parts

please

use this

1.

This

Parts

capacitors,

2.

The

Recommended Spare Parts

for

service.

3.

Parts

not

shown

4.

How

to

read

a)

Mechanism

LIST

the non-delivery of the part or the delivery of a wrong part may result.

Part

No. is correct when ordering.

List

of Preliminary Service Manual may have

Parts

List

for all future reference.

HOW

TO

List

lists

those

parts

which

are

considered necessary

are

listed

in the

in the

the

Block

Parts

Parts

List.

"Common

List

List

and

List

for

shows

"Common

ATTENTION

Part

USE

THIS

Service Parts" from

those

parts

in the

List

for

Service Parts"

No., Model No. and the description of each part.

been

the subject of changes,

PARTS

for

Parts

b)

LIST

repairs. Other common parts, such

which

these

PC

List

will

Board

which

not in

parts should

are

considered particularly important

principle

be

selected

be

supplied.

as

resistors

and

stocked.

and

2.

HEAD

The

5.

When Part

by

BASE

PART

BH-T2023A320A

HP-H2206A010A

ZS-477876
ZS-536488
ZG-40289S

available PC Board

its

Reference No. listed

BLOCK

NO.

HEAD
HEAD
PAN20X03STL
BID20X08STL
SP

-SP

(Service

- A small

shown

-This

vidual

-This

Number.

No. is

Parts) Classification

"x" indicates

in the

number corresponds

parts index number

number corresponds

Blocks

known, Parts Index

DESCRIPTION

BASE
R/P

PR4-8FU

CS

ANGLE

that

Photo

or

are

at

right

BLOCK

C

CMT
CMT
ADJUST

this part

is not

lUustration.

with

the

indi-

in

that

figure.

with

the

Figure-

listed separately.

at end of

of

Part

Parts

No.

List

MAIN

6.

REE.
NO.

6-ICl
6-IC2
6-ClA
6-ClB
6-ClC
6-Xl

can be

used

PC

BOARD

PART

NO.

EI-324S36
EI-336801
EC-338399
EC-3S0949
EC-338397
EI-318384

Symbols

[A]

:AAL(U.S.A.)

[B]

:BEAB(England)
[Cl:CSA(Canada)
[E]:CEE(Europe)

DESCRIPTION

IC

HD14049BP

IC

MB8841-564M

C

MMY V 223M

C

MMY V 223M 250DC

C

MMY V 223M

OSC

X'TAL

for

primary destination—'

NC-18C

[S]

[U]
[V]
[Y]

2S0AC

12SAC

SAA(Australia)
U/T(Universal
VDE(W.
Custom

[J]:JPN(Japan)

—

SP

(Service

—

These reference symbols correspond

component

Parts) Classification

symbols

in the

Diagrams.

to

locate where

that

part

is

shown

[U,E,B,S)
[J]
[C.A]

Area)

Germany)

Version

with

Schematic

in

Parts

List

A (*)

CRITICAL

A (*) IL
DE

SÉCURITÉ

FABRICANT.

6

WARNING

INDICATES

COMPONENTS ONLY WITH MANUFACTURE'S RECOMMENDED PARTS.

SAFETY

CRITICAL

COMPONENTS. FOR CONTINUED

SAFETY,

AVERTISSEMENT

INDIQUE

LES

DE

L'APPAREIL,

COMPOSANTS

NE

PARTS

CRITIQUES

REMPLACER

LIST

DE

SÉCURITÉ. POUR MAINTENIR

QUE DES

PIÉCES RECOMMANDEES

REPLACE

LE

SAFETY

DEGRÉ

PAR LÉ

1.

RECOMMENDED

We

suggest
Spare Part
of the

Ref.

No.

1

2

3

4

5
6
7
8

9

10
11
12
13
14
15
16
17
18
19

20
21

22

23
24
25
26 ES-720768

27

28

29

30

31
32

33

34
35
36
37
38

39
40
41
42
43

44

45
46

you to

items

listed

routine

service.

Part

No.

BB-720738
BF-717792
BF-71

7793
BL-721068
BM-720761
BR-720752
BR-720754

*BT-720791

*BT-720792

ED-619784
ED-720783
ED-720784 D LED LTL-3293A YELLOW
ED-327057
ED-348990
ED-720805 D SILICON H 1N5393
ED-720799
ED-703903

*EF-601942

EH-720815
EH-720759
EI-345551
EI-709250
EI-310036
EI-720804

ES-717779

ES-720769

ES-720767

ES-720782 SW PUSH SPEA12MC06-0L

*ES-720817

ET-348302
ET-308472
ET-522270
ET-330225
ET-308141
ET-338410
ET-371028
EV-7207B1

HE-720760
MB-720770
MB-717803
MB-717820
MB-720746
MC-720777
MZ-717796
MZ-717795

SPARE PARTS

stock

the

following

below

since

they

Description

MECH

BLK HX-A305W
FLYWHEEL
FLYWHEEL
RF
MOTOR
SUPPLY
TAKE-UP
TRANS POWER K80027D (B,S)
[B.S]
TRANS POWER T3671D|V,E)

rel
[tj

D GERMA H 1N60
D LED LTL-3233A GREEN

D SILICON H DS442X
D SILICON H DS446

DZENERHRD11EB3
DZENERHRD15EB2
FUSE
FILTER
HEAD R/P HX-A305W
IC
ICM51522L
IC
IC
SW
SW
[REC]
SW
[PLAY]
SW
[TAPE

[TAPE
SW PUSH 125V 10A
[POWER
TR
TR
TR
TR
TR
TR
TR
VR SLIDE VJ6013PVN10C-15A50K
[REC
HEADE
BELT
BELT
BELT
BELT
COUNTER HX-A305W
GEAR
GEAR

PART P
PART R/P

PULLEY ASSY

HX-A305W

REEL

TABLE BLK HX-A305W

REEL

TABLE BLK HX-A305W

SEMKO

T 250V

KM-10DF

LB1403

TC4066BP
UPC1210C

LEAF

MSW-1541

LEEF

LEEF

LEEF

SELECTOR]

SELECTOR]

SW)
FET 2SK381 CD F05
2SA1115 E,F,G FOB
2SC1210 D

2SC1815 BL
2SC2603 G F05
2SC2878 A.B
2SD1266 P.Q

LEVEL]

COUNTER
MAIN
MAIN

P

RF

FF
TU

Recommended
can

cover

most

630MA

2.

MECHA

Ref.

No. Part No. Description

11 ML-717774 LEVER PAUSE
12 ZG-717775 SP PAUSE LEVER
13

MZ-717776 STOPPER PAUSE

14

ZG-717777 SP BUTTON
22 ZG-721061 SP BUTTON LEVER (E)
23

ES'717779 SW
27

HZ-717780 HEAD BASE
28 ML-717781 LEVER DETECTION
29 ZG-717782 SP EH
30

ZG-71 7784 SP HEAD PANEL (S) R/P
31 HZ-717785 HEAD BASE
34

ZG-717786 SP AZIMUTH
35

ML-71 7787 ARM PINCH ROLLER PART R/P
36 ZG-717788 SP PINCH ROLLER R/P
39 BL-721068 RF PULLEY ASSY
40

ZG-719563 RF PULLEY ARM SPRING
42 MB-720746
43

BF-717792 FLYWHEEL PART P
44

BF-717793 FLYWHEEL PART R/P
47

MZ-717795 GEAR TU
49 MZ-717796 GEAR FF
50

ZG-720751 SP BACK TENTION
51 BR-720752 SUPPLY
52 BR-720754 TAKE-UP
53

ML-717800 LEVER REC DETECTION

54

ZG-717801 SP BACK TENSION TU

56 MB-712094 RUBBER
57

ZS-721062 SCREW SPECIAL

58 MR-720756 PULLEY

59 MB-717803
61 MB-717820
62 ML-717804 LEVER SLIDE
63

ZG-717806 SP LEVER SLIDE

64

ZG-71 7807 SP PLATE CASSETTE HOLDER
66 EH-720759 HEAD R/P HX-A305W
67

HE-720760 HEADE
68 BM-720761

78 ZS-717809 SCREW AZIMUTH
79 ES-720769 SW

82 ZW-720762 PWl 2X030X025NYL
83

ZW-720763 PW 12X20X04NYL
84

ZW-720765 PWl 55X380X050NYL
85

ZW-720766 PW205X400X040NYL

87

ML-717811 LEVER OPERATION

90

ZS-362011

96 ES-720767 SW

142 ML-361092 LEVER OPERATION (2) PART
150

ML-361090 LEVER OPERATION (1) PART

BLOCK

BELT

BELT
BELT

MOTOR

(

LEVER(C)

LEAF

MSW-1541

RF

REEL

TABLE BLK HX-A305W

REEL

TABLE BLK HX-A305W

MOTOR

MOTOR
MAIN
MAIN

P

EJECT

EJECT

HX-A305W

LEEF

[PLAY]

+ )PAN20X07STL BNI

LEEF

[TAPE

SELECTOR]

NOTE

Parts will not be
parts list,
tions

even

with

supplied

if

they

reference

appear

No.

if

they

on the

are not

listed

assembling

in t

illusti

PARTS

LIST

7

3.

P.C

BOARD

BLOCK

Ref.

No.

1

4.

MAIN P.C

Ref.

Ref.

No.

No.

D301
D302
D501
D502
D601
D602
D603 ED-348990
D604 ED-703903
D605
D606
D607
D901
D902
D903
D904 ED-619784 D
D905
D906 ED-327057 D SILICON H DS442X
D907
D908
D909
D910
D911
D912 ED-327057 D SILICON
D915
FLIOI
FL201
IC101
IC

102

IC

103
IC203
IC301
IC302
L350
L351
L450
L451
QlOl
Q102
Q103
Q104
Q105
Q106
Q201
Q202
Q203
Q204
Q206
Q301
Q302
Q303
Q350
Q351
Q352
Q353
Q401
Q450
Q451
Q452
Q453
Q501
Q502
Q503
Q504
Q601
Q602
Q603
Q604
Q605

Part

No.

BA-720788

BOARD

Part

No.

Part

No.

EO-619784 D
ED-619784
ED-327057 D SILICON
ED-327057 D SILICON

ED-720805
ED-720805 D SILICON

ED-720799 DZENERHRD11EB3
ED-327057 D SILICON
ED-348990 D SILICON
ED-327057 D SILICON
ED-327057
ED-327057 D SILICON

ED-327057 D SILICON

ED-327057 D SILICON
ED-327057 D SILICON
ED-327057 D SILICON
ED-327057 D SILICON
ED-327057 D SILICON

ED-327057 D SILICON
EH-720815
EH-720815
EI-709250
EI-310036
EI-720804
EI-720804
EI-709250
EI-310036
EO-720814 COIL
EO-720813 COIL
EO-720814 COIL
EO-720813 COIL
ET-308H1
ET-308141
ET-308141
ET-338410
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-338410
ET-308141
ET-308141
ET-308472
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-330225
ET-330225
ET-308141
ET-348302
ET-522270
ET-371028
ET-308141
ET-308141

Description

PC

MAIN

BLK HX-A305W

Description

Description

GERMA

H 1N60

DGERMAH1N60

H

DS442X

H

D SILICON

D SILICON
D ZENER

D SILICON

GERMA

FILTER
FILTER
ICM51522L
IC
IC
IC
ICM51522L
IC

TR
TR
TR
TR
TR
TR
TR
TR
TR
TR
TR
TR
TR
TR
TR
TR
TR
TR
TR
TR

TR
TR
TR
TR
TR
TR

TR

TR

TR

TR
TR
TR

DS442X

H

1N5393

H

1N5393

H

DS446

H

RD15E

H

DS442X

H

DS446

H

DS442X

H

DS442X

H

DS442X

H 1N60

H

DS442X VRB01

H

DS442X VR909 EV-371287

H

DS442X VR910 EV-371287

H

DS442X

H

DS442X

H

DS442X

H

DS442X

H

DS442X
KM-1 ODE
KM-IODF

TC4066BP
UPC1210C
UPC1210C

TC4066BP

FIX

153J V3615031-G

FIX

472J

FIX

153J V3615031-G

FIX

472J

2SC2603

G F05

2SC2603

G F05

2SC2603

G F05

2SC2878

A,B

2SC2603

G F05

2SC2603

G F05

2SC2603

G F05

2SC2603

G F05

2SC2603

G F05

2SC2878

A,B

2SC2603

G F05

2SC2603

G F05

2SA1115E,F,G
2SC2603

G F05

2SC2803

G F05

2SC2603

G F05

2SC2603 G FOB
2SC2603

G F05

2SC2603 G FOB
2SC2603 G FOB
2SC2603

G FOB

2SC2603

G FOB

2SC2603

G FOB

2SC2603

G FOB

2SC181B

BL

2SC1815

BL

2SC2603

G FOB

FET 2SK381
2SC1210D
2SD1266

P.Q

2SC2603 G FOB
2SC2603 G FOB

82

F05

CD FOB

Part

Ref.

No.

0606
O901
Q902
Q903
Q904
Q906
0907
Q909
0910
R927
R928 ER-720801

R929

R930
S301

TBOl
VR101 EV-720807
VR103 EV-720809

VR201 EV-720807

VR203 EV-720809

VR301
VR350 EV-35B120

VR401

VR450 EV-355120

VR502

F1

5.

FRONT

Ref.

No.

D701

D702

D703

D704
D705
D801
D802
D803
D804
D805
D930

D940

D9B0 ED-720783

IC701
IC801
S930

S940 ES-720782

S950

VR102 EV-720781

VR202

6. POWER

Ref.

No.

Cl

SI

No.

ET-308141
ET-308472
ET-308141
ET-308141
ET-308472
ET-308141
ET-308141
ET-308472
ET-308472
ER-720801

ER-720800
ER-720800
ES-720798 SW SLIDE CL104K E8234438M
EO-720816 COIL

EV-720807

EV-720807

EV-3BB120
EV-3B5120

*EF-601942

P.C

BOARD

Part

No.

ED-720783
ED-720783
ED-720783
ED-720783
ED-720784
ED-720783
ED-720783
ED-720783
ED-720783

ED-720784
ED-720784

ED-720784 D LED LTL-3293A YELLOW

EI-3455B1
EI-345551
ES-720782

ES-720782

EV-720781

SW P.C

Part

No.

*EC-338496
*ES-720817

Description

TR

2SC2603
TR
TR
TR
TR
TR
TR
TR
TR
R

THERMO

R

THERMO

R

THERMO

R

THERMO

R

S-FIX H V8EK-PV 0.20W

R

S-FIX H V8EK-PV 0.20W

R

S-FIX H V8EK-PV 0.20W

R

S-FIX H V8EK-PV 0.20W

R

S-FIX H V8EK-PV 0.20W

R

S-FIX H V8EK-PV 0.20W

R

S-FIX H V8EK-PV 0.20W

R

S-FIX H V8EK-PV 0.20W

R

S-FIX H V8EK-PV 0.20W

R

S-FIX H V8EK-PV 0.20W

R

S-FIX H VM6CKPVB 0.30W

R

S-FIX H VM6CKPVB 0.30W

FUSE

Description

Description

D LED LTL-3233A GREEN
D LED LTL-3233A GREEN
D LED LTL-3233A GREEN
D

LED
D LED LTL-3293A YELLOW
D LED LTL-3233A GREEN
D LED LTL-3233A GREEN
D LED LTL-3233A GREEN
D LED LTL-3233A GREEN
D LED LTL-3293A YELLOW
D LED LTL-3293A YELLOW
[RECl

[POWER]
D LED LTL-3233A GREEN
[DOLBY
ICLB1403
IC

LB1403
SW PUSH SPEA12MC06-0L
[TAPE
SW PUSH SPEA12MC06-0L
[DUBBING SPEED]
SW PUSH SPEA12MC06-0L
[DOLBY
VR SLIDE VJ6013PVN10C-15A50K
[REC
VR SLIDE VJ6013PVN10C-15A50K
[REC

[REC

G FOB
2SA111BE,F,G
2SC2603
2SC2603 G FOB
2SA1115E,F,G
2SC2603
2SC2603 G FOB
2SA1115E,F,G
2SA111BE,F,G FOB

OSC

SEMKO T 250V

LTL-3233A GREEN

NR]

SELECTOR]

NR]

LEVEL]

LEVEL]

LEVEL]

FOB

G FOB

F05

G F05

F05

H 1/4S 1 BO-J LT2600
H 1/4S

150-J LT2600

1/4S

1.6K-JLT0700

1/4S

1.6K-J LT0700

MC-129J

630MA

223
473
223
473

223
104
223

104
104
104

204
204

BOARD

Description

C

CE V FZ
SWPUSH
[POWER

472P 400AC

125V lOA

SW]

J

8

PARTS

LIST

7.

FINAL

Ref.

1 SP-720737 COVER UPPER

2

SK-720678 KNOB POWER

3A *EW-346249

38

*EW-347897

3C

*EW-347898

4A >|:BT-720791 TRANS POWER K80027D (B,S)

4B

*BT-720792 TRANS POWER T3671D (V,E)

6 EZ-371605 BUSH CORD
7

EW-720796 CORD

9

SA-720789 FOOT

10

MZ-720774 DUMPER
12 BB-720738
17

SK-720780 KNOB PUSH
18 SE-720773

No.

Part

ASSEMBLY

No.

Description

AC

AC

AC

MECH

ORNAMENT

BLOCK

CORD 2 CORES LCFL2X0.75

[BI

CORD 2 CORES VM0364,LCFL

[El

CORD 2 CORES VM-0436,LCFL

[SI

[B.Sl

[El

RCA

BLK

2271

HX-A305W

B

EV

S

Ref.

No.

Part

No.

Description

19 SK-720778 KNOB REC
22 SP-720823 PANEL FRONT
23

SZ-721063 HOLDER

24

SZ-721063 HOLDER

25

SP-720736 SIDE PANEL
26 SP-720735 SIDE PANEL |L)
27

MC-720777 COUNTER HX-A305W
28 MB-720770
29 ZG-721064
31 SK-720771 KNOB DECK
32 ZS-447761 T2BR30X06STL
34

ZS-331568 T2BR30X1OSTL
40

ES-720768

42 MZ-720772 JOINT
43

SK-720778 KNOB
44

SK-720779 KNOB

45

MZ-720772 JOINT

BELT
SP TDC

SW

LEVEL

BLK
PL
PL

(R)

COUNTER

LEEF

[RECl

REC
DAMMY (S)
DAMMY (C)

REC

HX-A305W

BNi
CMT

C080

INDEX

Part

No.

BA-720788
BB-720738
BB-720738
BF-717792
BF-717792
BF-717793
BF-717793
BL-721068
BL-721068
BM-720761

BM-720761
BR-720752
BR-720752 51 ER-720801 R928
BR-720754
BR-720754 52 ES-717779 23 EW-720796
BT-720791
BT-720791
BT-720792
BT-720792
EC

338496

ED-327057 13 ES-720769 79 MB-712094 56
ED-327057
ED-327057 D502 ES-720782
ED-327057 D606
ED-327057 D901 ES-720782
ED-327057 D902 ES-720798 S301
ED-327057 D903 ES-720817 30
ED-327057
ED-327057 D906
ED-327057 D907

ED-327057
ED-327057 D909
ED-327057
ED-327057 D911
ED-327057 D912
ED-327057 D915
ED-348990 14
ED-348990
ED-348990
ED-619784

ED-619784 D301
ED-619784 D302
ED-619784 D904
ED-703903
ED-703903
ED-720783
ED-720783 D701
ED-720783 D702
ED-720783 D703
ED-720783

ED-720783 D801
ED-720783
ED-720783 D803
ED-72Ü783
ED-72Q783
ED-720784
ED-720784
ED-720784 D805
ED-720784 D930
ED-720784 D940

ED-720799 16
ED-720799
ED-720805
ED-720805 D601
ED-720805
EF-601942
EF-601942
EH-720759 20
EH-720759
EH-720816

EH-720815
EH-720815
EI-310036
Ei-310036
EI-310036
EI-345551
EI-345551
EI-345551
EI-709250
El-709250

Ref.

No.

1
1

12
2
43
3

44 EO-720814
4

39 EO-720816
5

68
6

7

8

4A ES-720767 96

9

4B
Cl

D501

D905

D908

D910

D603
D607

10

17

D604

11

D704

D802

D804
D950

12

D705

D605

15

D602

18

F1

66

19

FL101
FL201
23
IC

102
IC302
21
IC701
IC801

22 EV-355120
IC101

Part

No.

EI-709250
EI-720804
EI-720804
EI-720804
EO-720813
EO-720813

EO-720814

ER-720800 R929 EV-720809 VR103

ER-720800 R930
ER-720801

ES-717779 25 EW-347898 3C

ES-720767

ES-720768
ES-720768 40 HZ-717780
ES-720769

ES-720782

ES-720782

ES-720817
ET-308141
ET-308141

ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141

ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141

ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-308141
ET-3C8141
ET-308472
ET-308472

ET-308472
ET-308472
ET-308472
ET-308472
ET-330225
ET-330225
ET-330225
ET-338410
ET-338410
ET-338410

ET-348302
ET-348302
ET-371028
ET-371028
ET-522270
ET-522270
EV-355120
EV-355120 VR450

EV-355120

Ref.

IC301
24
IC103 EV-720781 38 ZW-720765 84
IC203
L351
L451
L350
L450
T501

R927

28 EZ-371605

26

27

29
S930
S940 MB-717820 42
S950 MB-717820

SI MB-720770
35 MB-720770 28
Q101 MC-720777 44

Q102 MC-720777
Q103 ML-361090 150
Q105 ML-361092 142
Q106 ML-717774
Q201 ML-717781
Q202
Q203 ML-717800
Q206 ML-717804
Q301 ML-717811
Q303

Q350
Q351
Q352
Q353
Q401
Q450
Q451
Q452
Q453 SA-720789
Q501

Q504 SK-720678
Q604 SK-720771
Q605 SK-720776 19
Q606 SK-720778 43
Q902 SK-720779 44
Q903 SK-720780
Q906 SP-720735 26
Q907
32 SP-720737
Q302 SP-720823

Q901 SZ-721063
Q904 SZ-721063
Q909 ZG-717775
Q910
34
Q502
Q503 ZG-717786
36 ZG-717788 36
Q104 ZG-717801 54
Q204

31
Q601
37
Q603 ZG-721061
33
Q602 ZS-331568
VR350 ZS-362011 90

VR501
VR502 2S-721062

No.

Part

No.

EV-371287
EV-371287 VR910 ZW-720763 83

EV-720781 VR102 ZW-720766 85
EV-720781 VR202
EV-720807
EV-720807
EV-720807 VR301
EV-720807 VR401

EV-720809
EW-346249 3A
EW-347897

HE-720760
HE-720760

HZ-717785 31

MB-717803 41
MB-717803 59

MB-720746
MB-720746

ML-717787

MR-720756

MZ-717776
MZ-717795
MZ-717795
MZ-717796
MZ-717796
MZ-720772
MZ-720772
MZ-720774

SE-720773

SP-720736

ZG-717777 14
ZG-717782 29
ZG-717784

ZG-717806

ZG-717807 64
ZG-719563 40
ZG-720751 50

ZG-721064 29

ZS-447761 32
ZS-717809 78

Ref.

VR909 ZW-720762 82

VR101
VR201

VR203

38

7
6
39
67
27

61
43
42
40

27

28
35
53
62
87
58

46
47
45
49
42
45

9

2
31

25

22

23
24

30
34

63

22

34

57

11

13

10

18

17

1

12

No.

Part

No.

Ref.

No.

10

PARTS

LIST

ABBREVIATIONS

Abbreviation

ACC
AFC
AFT
AGC
AL
ALC
A-mode
A.mute
APC
ASB
BEF
BGP
BPF
BU
B/W
C

C.K
CM
C

MOS

CPU
CR
CUE.REV
C.SYNC
CTL
DET
DEMO
DIFF
DIP
DM
DMM
DOC

EE
EP
fCK
FF
FF

FG

fH

F

OFF

F

ON
F/R
fRCK

fSC

F/V

FWD

H
HPF
H-SYNC
IDL-5V
IMS
INST
INT

Description

Automatic Color
Automatic Frequency Control
Automatic Frequency Tuning
Automatic
ALways
Automatic
Audio-mode
Audio

mute
Automatic Phase.Control
ASsemBly
Band

Elimination

Burst

Gate Pulse

Band

Pass

Back

Up
Black/White
Capacitor or
Color

Killer
Capstan Motor
Complementary Metal Oxide Semicon­ductor
Central

Processing Unit (IC)
Capacitor and Resistor (oscillator)
CUE

Review
Composite
ConTroL
DETector
DEMOdulator
DIFFerential
Dual

Inline Package
Drum

Motor

Digital

Mono-Multivibrator
DropOut
Electronic

Extra
frequency of

Flip-Flop
Fast
Frequency Generator
Horizontal
Function
Function
Forward
frequency of Reference
frequency of Sub Carrier
Frequency to Voltage (converter)
ForWarD
length of one Horizontal line
High
Horizontal
IDLing
Interactive Monitor System
INSerT
INTerrupt

Compensator

long

Forward (mode)

OFF
ON

/ Reverse

Pass

5V (voltage)

(record)

level

Control

Gain

Control

Level

Control

(AECrec)

Filter

Filter

(mode)

Condenser,

(input)

Sync.

to Electronic

Play

Clock

frequency

Filter

SYNChronization

Chroma

Clock

Abbreviation

IR
IRE
IRQ
LE
LED
LIM
LM
LM-EMG
LSI
MESECAM
MM
NTSC
NVRAM
OPE-PCB
OSC
PAL
PB
PG
PLL
P/V
PWM
RCK
RDY
REC
REF
REV
ROM
SCK
SD
SI
SLP
SO
SP
STRB
SW
SWP
SYS
T.mute
TRMM
TRP
TV
UNR
V

vco

VH
VIF
VL
VOW
VP
VPS
VT
U

Description

Infra

Red
Image Ratio
InterRupt
Loading
Light
Limitter
Loading
Loading
Large
Middle
Mono Multivibrator
NTTSC
Non Volatile Ramdom Access Memory
OPEration
OSCillator
PAL

color system

Play

Back
Pulse
Phase
Phase to Voltage(converter)
Pulse
Reference
ReaDY
RECord
REFerence
REVerse
Read
Serial
Secam
Serial
Super-Long
Serial
Standard
STRoBe
switch
SWitching
SYStem
Tuner
Tracking
Take

up
Television
UNRegulated
vertical
Voltage Controlled Oscillator
VHF

High Band
Video
VHF

Low Band
Video
Vertical
Video
Tuning
UHF

Efficiency

reQuest

End

Emitting Diode

Motor
Motor-EMerGency

Scale

Intergated

East

SECAM

color system

Printed

Generator

Locked

Width Modulation

Only Memory

ClocK

In

Out

mute

Intermediate

OnWard

Program identification system

(Ultra

Loop

Clock

Detector

Play

Play

Pulse

Mono multivibrator

Reel

Pulse

pulse

(Ouasi

Voltage

High Frequency)

IC

Circuit

Board

Frequency

Vsync

pulse)

AKAI

12 -14 ,

TEL

Tokyo

Printed

ELECTRIC

2-C hom e, H Igashi-Ko jiya, O hta-K u, T okyo, Jap an

(7 42 )zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

51

1 1

CA BLE

No .

87 07 31 -A l-9 00

HIFIA K A I

Printed D ate:

CO., LTD.

TO KY O TELEX:

Septem b er

35 0

Printed

J26 26 1

1. 19 87

in

Japan