BASIC MD MECHANISM : ZZG-5 A
MINIDISC PLAYER
AM-HX50
AM-HX55
S/M Code No. 09-999-335-5R2
AHK1(S)
AHK1(L,W)
SERVICE MANUAL
REVISION
DATA
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No.09-999-335-5T2).
2
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
are trademarks
of Dolby Laboratories Licensing Corporation.
· The word "BBE" and the "BBE symbol" are trademarks
of BBE Sound,Inc.
Under license from BBE Sound,Inc.
3
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
VAROITUS!
Laiteen Käyttäminen muulla kuin tässä käyttöohjeessa mainit-
ulla tavalla saattaa altistaa käyt-täjän turvallisuusluokan 1 ylit-
tävälle 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: Invisible laser radiation when
open and interlocks defeated avoid expo-
sure to beam.
Advarsel:Usynling laserståling ved åbning,
når sikkerhedsafbrydere er ude af funktion.
Undgå udsættelse for stråling.
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.
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.
CLASS 1
KLASSE 1
LUOKAN 1
KLASS 1
LASER PRODUCT
LASER PRODUKT
LASER LAITE
LASER APPARAT
Precaution to replace Optical block
(KLR2000)
1) After the connection, remove solder shown in
the right figure.
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.
4
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.
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
A
A
A
BAT-CONTACT +
MAIN C.B
HINGE ASSY, BATT
* The BAT-CONTACT + is attached under
the HINGE ASSY, BATT
B
B
B
B
B
B
A
PANEL, BOT
KNOB, SL HOLD
5
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.
4. Removing the HLDR, CTRG
Remove the HLDR, CTRG by bending both sides of the HLDR, CTRG.
*
Be careful not to bend portion A.
A
HLDR, CTRG
A
A
B
B
A
A
A
PANEL ASSY, TOP