Aiwa AMHX-50 Service manual

AM-HX50

AHK1(S)

AM-HX55

AHK1(L,W)

SERVICE MANUAL

MINIDISC PLAYER

This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
(S/M Code No.09-999-335-5T2)

.

BASIC MD MECHANISM : ZZG-5 A

S/M Code No. 09-999-335-5R2

REVISION

DATA

SPECIFICATIONS

Design and specifications are subject to change without

•

notice.
Dolby noise reduction manufactured under license from

•

Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol
of Dolby Laboratories Licensing Corporation.
The word “BBE” and the “BBE symbol” are trademarks

•

of BBE Sound,Inc.
Under license from BBE Sound,Inc.

are trademarks

2

PROTECTION OF EYES FROM LASER BEAM DURING SERVICING

This set employs laser. Therefore, be sure to follow carefully the
instructions below when servicing.

WARNING!

WHEN SERVICING, DO NOT APPROACH THE LASER EXIT
WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO
CONFIRM LASER BEAM EMISSION. BE SURE TO OBSERVE
FROM A DISTANCE OF MORE THAN 30cm FROM THE
SURFACE OF THE OBJECTIVE LENS ON THE OPTICAL
PICK-UP BLOCK.

Caution: Invisible laser radiation when
open and interlocks defeated avoid expo­sure to beam.
Advarsel:Usynling laserståling ved åbning,
når sikkerhedsafbrydere er ude af funktion.
Undgå udsættelse for stråling.

VAROITUS!

Laiteen Käyttäminen muulla kuin tässä käyttöohjeessa mainit­ulla tavalla saattaa altistaa käyt-täjän turvallisuusluokan 1 ylit­tävälle näkymättömälle lasersäteilylle.

VARNING!

Om apparaten används på annat sätt än vad som specificeras i
denna bruksanvising, kan användaren utsättas för osynling
laserstrålning, som överskrider gränsen för laserklass 1.

CAUTION

Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.

ATTENTION

L'utilisation de commandes, réglages ou procédures autres que
ceux spécifiés peut entraîner une dangereuse exposition aux
radiations.

ADVARSEL!

Usynlig laserståling ved åbning, når sikkerhedsafbrydereer ude
af funktion. Undgå udsættelse for stråling.

This Compact Disc player is classified as a CLASS 1 LASER
product.
The CLASS 1 LASER PRODUCT label is located on the rear
exterior.

CLASS 1
KLASSE 1
LUOKAN 1
KLASS 1

LASER PRODUCT
LASER PRODUKT
LASER LAITE
LASER APPARAT

Precaution to replace Optical block
(KLR2000)

Body or clothes electrostatic potential could ruin
laser diode in the optical block. Be sure ground
body and workbench, and use care the clothes
do not touch the diode.

1) After the connection, remove solder shown in
the right figure.

3

DISASSEMBLY INSTRUCTIONS

1. Removing the PANEL, BOT
Remove the screw A*1 and screw B*6, and remove the PANEL, BOT in the direction of the arrow.
* When attaching the PANEL, BOT, set the KNOB, SL HOLD.

KNOB, SL HOLD

B

PANEL, BOT

B

A

B

B

B

2. Removing the MAIN C.B

1) Connect the shorting lands of the pickup by a solder bridge.

* When the MAIN C.B is attached, remove the solder bridge.

2) Remove the FFC of the CN300, CN700 and CN100.

3) Remove the screw A*3 and screw B*1.

4) Remove the battery lid and remove the MAIN C.B, while being careful of the BAT-CONTACT +.

* When the MAIN C.B is attached, be careful of the BAT-CONTACT +.

B

HINGE ASSY , BATT

BAT-CONTACT +

* The BAT-CONTACT + is attached under

the HINGE ASSY, BATT

B

A

A

A

MAIN C.B

4

3. Removing the PANEL ASSY, TOP
Remove the screw A*5 and unlock the claw B of the HLDR, CTRG to remove the PANEL ASSY, TOP.

A

A

4. Removing the HLDR, CTRG
Remove the HLDR, CTRG by bending both sides of the HLDR, CTRG.
* Be careful not to bend portion A.

B

P ANEL ASSY, TOP

B

A

A

A

HLDR, CTRG

A

5

5. Removing the MECHANISM

1) Remove the screw A*1 and screw B*2.

2) Remove the MECHANISM, while being careful not to catch the Headphones jack in the FRAME, CENTER.
* Be careful not bend the screw of the FRAME, CENTER.

Headphones jack

B

MD MECHANISM

FRAME, CENTER

A

B

6

ELECTRICAL MAIN PARTS LIST

REF. NO PART NO. KANRI DESCRIPTION

NO.

IC
87-A21-294-010 C-IC,LA9606

87-A21-295-010 C-IC,LC89641
87-A21-140-010 C-IC,MSM51V17400D
87-017-861-040 IC,TC7W74FU
87-A21-328-040 C-IC,RQ5RW19BA-TR

8A-HM3-603-010 C-IC,LC875164A
87-A21-030-040 C-IC,S-93C46AMFN
87-A21-024-010 C-IC,BD6601KV
87-A21-316-080 C-IC,S-8328B24MC
87-A20-861-040 C-IC,S-80808ANNP

87-A20-982-040 C-IC,S-80822ANNP
87-A21-341-040 C-IC,TA2131FL

TRANSISTOR

87-A30-070-080 C-TR,RN4902
89-115-884-080 CHIP -TRANSISTER 2SA1588Y
87-A30-181-040 C-TR,DTA114TEA
87-A30-180-040 C-TR,DTC114TEA
87-A30-149-080 C-FET,2SJ347

87-A30-261-080 C-FET,FDC633N
87-A30-262-080 C-FET,FDC634P
89-332-654-080 CHIP TRANSISTOR, 2SC3265Y
87-A30-147-080 C-TR,2SA1832GR

DIODE

87-017-850-080 C-DIODE,DAP222
87-A40-687-080 C-DIODE,M1FH3

MAIN C.B

C101 87-A10-770-080 C-CAP,V 0.1-10 K B
C102 87-A10-765-080 C-CAP,V 0.033-10 K B
C103 87-A10-766-080 C-CAP,V 0.047-10 K B
C104 87-A10-765-080 C-CAP,V 0.033-10 K B
C105 87-A10-765-080 C-CAP,V 0.033-10 K B

C106 87-A10-765-080 C-CAP,V 0.033-10 K B
C107 87-A10-765-080 C-CAP,V 0.033-10 K B
C108 87-A10-531-080 C-CAP,V 10P-50 D CH
C110 87-A11-969-080 C-CAP,U 0.082-16 K B
C111 87-A10-561-080 C-CAP,V 0.01U-16 K B

C112 87-A10-561-080 C-CAP,V 0.01U-16 K B
C114 87-A10-770-080 C-CAP,V 0.1-10 K B
C115 87-A10-556-080 C-CAP,V 2200P-50 K B
C116 87-A11-049-080 C-CAP,U 1-6.3 K B
C117 87-A11-751-080 C-CAP,TN 22U-4 M P

C118 87-A11-050-080 C-CAP,TN 47U-4 M F95 A
C119 87-A11-050-080 C-CAP,TN 47U-4 M F95 A
C120 87-A10-770-080 C-CAP,V 0.1-10 K B
C121 87-A11-751-080 C-CAP,TN 22U-4 M P
C122 87-A10-561-080 C-CAP,V 0.01U-16 K B

C200 87-016-449-080 C-CAP,TN 10-4 F95 P
C201 87-A11-050-080 C-CAP,TN 47U-4 M F95 A
C202 87-A10-770-080 C-CAP,V 0.1-10 K B
C203 87-A10-561-080 C-CAP,V 0.01U-16 K B
C204 87-A10-766-080 C-CAP,V 0.047-10 K B

C205 87-A10-535-080 C-CAP,V 22P-50 J CH
C206 87-A10-535-080 C-CAP,V 22P-50 J CH
C208 87-A10-770-080 C-CAP,V 0.1-10 K B
C209 87-A10-770-080 C-CAP,V 0.1-10 K B
C212 87-A11-751-080 C-CAP,TN 22U-4 M P

C300 87-A10-770-080 C-CAP,V 0.1-10 K B
C301 87-A10-561-080 C-CAP,V 0.01U-16 K B
C302 87-A10-561-080 C-CAP,V 0.01U-16 K B
C303 87-A10-561-080 C-CAP,V 0.01U-16 K B
C304 87-A10-561-080 C-CAP,V 0.01U-16 K B

C305 87-A11-050-080 C-CAP,TN 47U-4 M F95 A

REF. NO PART NO. KANRI DESCRIPTION

C308 87-A10-770-080 C-CAP,V 0.1-10 K B
C309 87-A10-770-080 C-CAP,V 0.1-10 K B
C400 87-A11-049-080 C-CAP,U 1-6.3 K B
C401 87-A11-049-080 C-CAP,U 1-6.3 K B
C402 87-A10-556-080 C-CAP,V 2200P-50 K B

C403 87-A10-556-080 C-CAP,V 2200P-50 K B
C404 87-A10-556-080 C-CAP,V 2200P-50 K B
C405 87-A10-556-080 C-CAP,V 2200P-50 K B
C406 87-A10-556-080 C-CAP,V 2200P-50 K B
C407 87-A10-556-080 C-CAP,V 2200P-50 K B

C408 87-A11-049-080 C-CAP,U 1-6.3 K B
C409 87-A10-765-080 C-CAP,V 0.033-10 K B
C410 87-A10-765-080 C-CAP,V 0.033-10 K B
C411 87-A10-770-080 C-CAP,V 0.1-10 K B
C412 87-A10-770-080 C-CAP,V 0.1-10 K B

C413 87-A10-770-080 C-CAP,V 0.1-10 K B
C415 87-A11-046-080 C-CAP,TN 100U-4 M F95 B
C416 87-A11-751-080 C-CAP,TN 22U-4 M P
C417 87-A11-807-080 C-CAP,TN 4.7U-6.3 M P
C600 87-A11-806-080 C-CAP,TN 47U-6.3 M PSLB

C601 87-A10-557-080 C-CAP,V 3300P-25 K B
C602 87-A11-806-080 C-CAP,TN 47U-6.3 M PSLB
C603 87-A10-770-080 C-CAP,V 0.1-10 K B
C604 87-A10-770-080 C-CAP,V 0.1-10 K B
C605 87-A10-554-080 C-CAP,V 1000P-50 K B

C606 87-A11-807-080 C-CAP,TN 4.7U-6.3 M P
C607 87-A11-049-080 C-CAP,U 1-6.3 K B
C700 87-A11-050-080 C-CAP,TN 47U-4 M F95 A
C701 87-A10-770-080 C-CAP,V 0.1-10 K B
C702 87-A10-543-080 C-CAP,V 100P-50 J CH

C703 87-A10-543-080 C-CAP,V 100P-50 J CH
C704 87-A10-543-080 C-CAP,V 100P-50 J CH
C705 87-A10-543-080 C-CAP,V 100P-50 J CH
C706 87-A11-049-080 C-CAP,U 1-6.3 K B
C707 87-016-449-080 C-CAP,TN 10-4 F95 P

C708 87-016-449-080 C-CAP,TN 10-4 F95 P
C709 87-A11-058-080 C-CAP,U 0.22-10 K B
C710 87-A11-058-080 C-CAP,U 0.22-10 K B
C711 87-A11-049-080 C-CAP,U 1-6.3 K B
C712 87-A11-049-080 C-CAP,U 1-6.3 K B

C713 87-A11-751-080 C-CAP,TN 22U-4 M P
C720 87-A11-058-080 C-CAP,U 0.22-10 K B
C721 87-A10-260-080 C-CAP,U 0.1-16 K B
CN100 87-A60-955-080 C-CONN,21P H 54550-2117
CN300 87-A61-020-080 C-CONN,4P H 54550-0417

CN700 87-A60-954-080 C-CONN,16P H 54548-1611
D300 87-A40-556-080 C-LED,CL-270HR RED

!

F600 87-A90-745-080 C-FUSE,750MA 13.2V MINISMDC075

!

F601 87-A90-745-080 C-FUSE,750MA 13.2V MINISMDC075

J700 87-A60-682-010 JACK,3.5 ST 7P

L100 87-A50-360-080 C-COIL, 47UH K NLFC252018
L101 87-003-245-080 C-COIL,22UH
L200 87-003-245-080 C-COIL,22UH
L300 87-003-245-080 C-COIL,22UH
L400 87-A50-475-080 C-COIL, 10UH K NLFC201614

L401 87-A50-475-080 C-COIL, 10UH K NLFC201614
L402 87-A50-475-080 C-COIL, 10UH K NLFC201614
L403 87-A50-475-080 C-COIL, 10UH K NLFC201614
L405 87-A50-011-080 C-COIL,47UH LQH3C
L406 87-003-245-080 C-COIL,22UH

L600 87-A50-502-080 C-COIL, 82UH C4-K3L
L701 87-005-769-080 C-COIL,S 100UH K
L702 87-A50-233-080 C-COIL,ACM4532-102-3P
R305 87-022-239-080 C-RES U 10K-1/16WF
R306 87-022-249-080 C-RES U27K 1/16WF

R701 87-A50-208-080 C-COIL,BLM11A601SPT
S300 87-A91-436-080 C-SW,PUSH 2-1-1 SPVE3.8
S301 87-A90-330-080 C-SW,SL 1-1-2 SSSS81
X200 87-A70-207-080 C-VIB,16.9344MHZ SSR-B
X300 87-A70-212-080 C-VIB,3.00MHZ PBRC-B

NO.

7

REF. NO PART NO. KANRI DESCRIPTION

FLEX JACK C.B
8A-HM3-601-010 PWB,FLEX JACK

FLEX KEY C.B
8A-HM3-602-010 PWB,FLEX KEY

• Regarding connectors, they are not stocked as they are not the initial order items.
The connectors are available after they are supplied from connector manufacturers upon the order is received.

NO.

CHIP RESISTOR PART CODE

Chip Resistor Part Coding

88

A

Resistor Code

Chip resistor

Wattage Type Tolerance
1/16W 1005 5% CJ

1/16W
1/10W

1/8W

1608
2125

3216

5%
5%

5%

TRANSISTOR ILLUSTRATION

C

B

G

E

D

Symbol

CJ
CJ

CJ

S

Figure

Value of resistor

Form

L

D4

D1

D2

G

Dimensions (mm)

t

W

D3

S

0.55

Resistor Code

108
118

128

LW t

1.0 0.5 0.35 104

1.6 0.8 0.45
2 1.25 0.45

3.2

1.6

C2

B1

E1

E2

B2

C1

: A
: A

2SA1588
2SA1832
2SC3265

DTA114TEA
DTC114TEA

2SJ347

FDC633N

RN4902

FDC634P

8

BLOCK DIAGRAM

MOE

MCAS

MRAS

MWE

X200

16.93MH

Z

EFMIN

S300

OPEN/CLOSE

7

72

27

P-CONT

109

WIRING-1 (MAIN)

14

13 12 11 10 9 8

7

6

5

432

1

A

B

C

D

E

F

G

H

I

J

1211