Service
Manual
multi-stage
noise
SH
i
anise
[DIGITAL
M
ASH
WISI
DIGITAL
AUDIO
NEW
MECHANISM
SERIES
(RAE0301:
Type
A/RAE0302:
Type
B)
SPECIFICATIONS
@
Audio
No.
of
channels
Frequency
response
2
(left
and
right,
stereo)
2—20,000Hz,
+1dB
Output
voltage
;
2V
(at
OdB)
Dynamic
range
‘
92dB
SIN
100dB
0.007
%
(1
kHz,
OdB)
Below
measurable
limit
MASH
(1
bit)
Approx.
1kQ
More
than
10kQ
Total
harmonic
distortion
Wow
and
flutter
DA
converter
Output
impedance
Load
impedance
Mi
CONTENTS
Page
PRECAUTION
OF
LASER
DIODE
........cscsssssssssssssessnssensensnssanssaerene
2
ACCESSORIES
wi
siisicecincssiucsvscessdesinistesesces
tes!
ccesecosenicossedtoenssesecnestoece
3
CONNECTIONS
w..
scseseereccssasessasasesaessesssesasstsecasasicivansannesucanansavagesossesie
3
FRONT
PANEL
CONTROLS
AND
FUNCTIONG..........:0c0cs0s00
4,5
BEFORE
MOVING
uu.........ssesssscsscssssesecncesecsarcnnensesoeenssneeseessessenneennenes
6
HANDLING
PRECAUTIONS
FOR
OPTICAL
PICKUP
.............000
7
INSTRUCTIONS
FOR
TRAVERSE
OIL
..........sessssssssssssstsnsesereneesors
7
DISASSEMBLY
INSTRUCTIONS
..........c0sccssciestsssessssssecersencnse
8~15
HOW
TO
CHECK
THE
MAIN
AND
SERVO
P.C.B.
..............
16,
17
OPERATING
THE
UNIT
WITHOUT
THE
FRONT
PANEL
ASS’Y
(OPERATING
P.C.B.
AND
KEYS)
.........:scsccssesssesseae
18
DISPLAY
FUNCTION
OF
AUTOMATICALLY-ADJUSTED
RESULTS
(SELF-CHECK
FUNCTION).........cccssescseeees
19,
20
NEW
DIGITAL
SERVO
CIRCUIT.......c:cssccsecssssscsssssecssssssesereneeres
20
Technics
ORDER
NO.
AD9304104C8
Compact
Disc
Changer
SL-PD647
Colour
(K)...
Black
Type:
Area
Suffix
for
©
[ewe
«|
Asia,
Latin
America,
Middle
Near
East
and
Africa.
¢
Technics
(or
Panasonic)
developed
the
world’s
first
MASH
type
DAC
and
ADC..
MASH
technology
was
invented
by
(K)
NTT
(LSI
Labs).
©
MASH
is
a
trademark
of
NTT.
@
Pickup
Wavelength
780nm
i
General
Power
consumption
15W
.
Power
supply
For
(E,
GN)
areas.:
AC
50/60Hz,
230—240V
For
(GC)
area:
AC
50/60
Hz,
110V/127V/220V/240V
Dimensions
(W
x
H
x
D)
430
x
130.x
401mm
Weight
5.0kg
Design
and
specifications
are
subiect
to
change
without
notice.
Weight
and
dimensions
are
approximate.
Page
NEW
DIGITAL
SERVO
SYSTEM
...........essssenrersersenrseensnseseens
21,
22
TROUBLESHOOTING
GUIDE..........sscsssenesee
wu
23,
24
MEASUREMENTS
AND
ADJUSTMENTS.....
wn
25,
26
TERMINAL
FUNCTION
OF
IC’S.........esessseseeseee
»
27~30
BLOCK
DIAGRAM.
.....ccscsserssssscssessesseenernesenrensnenense
w
3133
SCHEMATIC
DIAGRAM............
34~39
PRINTED
CIRCUIT
BOARDS
..............
.
40~43
WIRING
CONNECTION
DIAGRAM
....cccsssscsssssessenersessneseessseseeroene
44
INTERNAL
CONNECTION
OF
FL.......cssssssssssssscrsseesnsssnsersnsesonsenss
45
REPLACEMENT
PARTS
LIST
sssnseuad
-
46~48
PACKAGING.........
succenveucunandoaulbsGecedaccuadtsansccnedensansanstvastodssccivessdlceare
47
EXPLODED
VIEWS......
49~52
RESISTORS
AND
CAPACITORG.........sscssssssesssesssesnersesstecntestseneeee
53
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