Sony Discman D-555 - General Information; Location and Function of Controls

D-555/Z555 |
TABLE OF CONTENTS
Section Title Page Section Title Page
Specifications Cees eee ee ee eee ee ee ee ee ee ee ee 1 3. ELECTRICAL ADJUSTMENTS <-cccccc esc cctceeseeee 6
1. GENERAL 4. DIAGRAMS
Location and Fanction of Controls:::::+reeeres y) 4-1, Waveforms :s:seeseeersecce ee eeseseseesceeees 12
4-2. Block Diagram: +ssstcs etter erect eect n eens 13
2. SERVICING NOTES 4-3, Printed Wiring Boards—-Main Section—---- 16
Notes on Handing the Optical Pick-up Block:- 3 4-4, Schematic Diagram—Main Section—-:-::::- 21
Flexible Circuit Board Reparing:-+-+++++++++++++- 3 4-5. Schematic Diagram—Servo Section—-:---:> 24
Notes on Chip Component Replacement::++++++: 3 4-6. Printed Wiring Boards—Servo Section— -:+ 27
Before Replacing the Optical Block «++++++++++s: 3 4-7. IC Block Diagram corssssr teeter terse eeeees 31
Notes on Laser Diode Emission Check::::::-+:: 4
Laser Diode Check Procedure «++++serereteeeeees 4 5. EXPLODED VIEWS -cccce reer cee c eter reer eee eeees 33
Service Mode (service program) :-++++++++eeeeeee 5
6. ELECTRICAL PARTS LIST -+scssssre errr reeeeeees 37
SECTION 1
Location and Function of Controls
OPEN button
HOLD switch Hts
(stereo minijack)
Front display window
Normally displays the track button
number and the elapsed
playing time. When the power
is supplied through the PLAY MODE (playing mode select)
DC IN 9V jack the window button eens
will light up. **
ENTER/REMAIN button
“AMS is the abbreviation of Automatic Music Sensor.
ke / Bi (AMS*/ SEARCH/INDEX) buttons
@ (stop) button
® Hl (play/ pause) button
PHONES (headphones)
KEY MODE (locating mode select)
GENERAL
EFFECT
(sound
effect
control)
button
EQ
(graphic
equalizer
band select button)
VOLUME control buttons
Adjusts the sound from the PHONES
jack.
EFFECT MODE (sound
effect mode select)
button
REMOTE jack
LINE OUT jack
jack (stereo minijack)
DC IN SV (external power
! : OPTICAL DIGITAL OUT
input) jack
connector
Upper display window
Normally displays the level of the volume
and the left (L) ~and right (R) - channel.
When the power is supplied through the
DC IN 9V jack the window will light up.
é “ff lit for a long time, the unit may become warm, but that is not a problem.
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