ORDER
NO.
MB9203020C2
ervice
Manual
®
compact
Compact
Disc
Player
.
gee
=
SL-PG420A
Colour
multi-stage
noise
shaping
(K)...
Black
Type
Area
|
Mam
PCH
REP
ISSLA-M
7
oe
SPECIFICATIONS
passe
C3
eMmEes2nrP
;—,
i
Audio
lf
Genera
Serce
i
—
IS
3S
|
Cel
CEEY-SS
No.
of
channels
2
(left
and
right,
stereo)
Power
supply
AC
50/60
Hz,
230
V~240
V
e@
Frequency
response
2-20,000
Hz,
+0.5
dB
Power
consumption
10W
Output
voltage
:
2
V
(at
0
dB)
Dimensions
(WxHxD)
430x
103x283
mm
Dynamic
range
;
96
dB
Weight
3.6
kg
S/N
ratio
:
;
100
dB
Harmonic
distortion
0.003%
(1
kHz,
0
dB)
Note:
Total
harmonic
distortion
0.005%
(1
kHz,
0
dB)
Specifications
are
subject
to
change
without
notice.
Wow
and
flutter
Below
measurable
limit
Weight
and
dimensions
are
approximate.
DA
converter
MASH
(4
DAC)
Output
impedance
Approx.
600Q
Load
impedance
More
than
10
kQ
«Techni
:
a
Headphone
output
level
15
mW
max.
320
(adjustable)
echnics
(or
Panasonic)
developed
the
world’s
first
MASH
type
DAC
and
ADC.
MASH
technology
was
invented
by
,
i
Pickup
NTT
(LSI
Labs).
&
Wavelength
780
nm
©
><
MASH
is
a
trademark
of
NTT.
CONTENTS.
a
P
Page
Page
PLACEMENT.
.....sscssssscssestesnesnesssosnornesesossonsncnnacsacssnsenasenssonsasennces
2
SCHEMATIC
DIAGRAM
.......scccssssccssseesssssenssesonscernceneneese
19~24
.
CLEANING
OF
LENS...
See
TERMINAL
GUIDE
OF
IC’S,
ACCESSORIES
..........-:s-cssersecssersess
we
2
TRANSISTORS
AND
DIODEG.............:cccssescsesssesssennensncen
24
PRECAUTION
OF
LASER
DIODE
we
3
PRINTED
CIRCUIT
BOARDG...............scrsscsssrsssesecseseneees
25~28
LOCATION
OF
CONTROLS..........
we
A
WIRING
CONNECTION
DIAGRAM
..........ccccsssssscstsscreenserersees
29
CONNECTIONS
wreisicsnciasssasccssccsesivcssesesensevosesvesnseortconssernssunsviniens
5
REPLACEMENT
PARTS
LIST..........-.
.
30~32
DISASSEMBLY
INSTRUCTIONG...........sscssssorssorssessesssessees
6~9
EXPLODED
VIEWS
.......:s:sscsccssesssee
.
33~35
CHECKING
OF
THE
SERVO
P.C.B.
.....:sssssscsssssssssssscessssssensnees
9
RESISTORS
&
CAPACITORS..
=.
36,
37
MEASUREMENTS
AND
ADJUSTMENTS
.............:0000000
10,
11
PACKING
uw.
ccssenccssncessenenscnnnacsensccessosncucossessncsnansccenacenteonsenvennsarune
37
TERMINAL
FUNCTION
OF
IC’S......
wee
12~15
TROUBLESHOOTING
GUIDE.......
:
BLOCK
DIAGRAM.
.....scsssssessesssssssssensoessesssaseunseassesssovaneasaes
16,
17
INTERNAL
CONNECTION
OF
FL........sscssssssssnssssssenscncsnseses
18
*
TECHNICAL
INFORMATION
.
*
This
technical
information
is
located
on
pp
49~~56
of
the
SL-PU46A
:
Service
Manual
(Order
No.
AD8902036C2).
,
:
Therefore,
refer
to
that
Service
Manual.
Technics
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