Sony CDP-997 - Waveform and Diagram Notes; Signal Waveform Examples; Diagram Explanations

CDP-997 CDP-997
WG Jessi te en
| 20 ae ee
[LOADING BOARD]
OPTICAL PICK-UP BLOCK
KSS - 240A
[POWER TRANSFORMER BOARD]
1C401@ pin OSC1
1C331@ pin MDPPLAY
PLAY MODE
0403, $403 0404, $404 0405, S405 0406, S406
CONTINUE SHUFFLE ] PROGRAM C. INDEX
—
ga Sew]
EODIT/ TIME -FADE
rae 2
fue afoacc}~-f 1C342@ pin LRCKI
DAIS. D4IT
45641= 570-—
crite
1641-572
-
Note
on
Mounting
Diagram:
Note:
@
o——
:
parts
extracted
from
the
component
side.
e @ =: Through hole.
e
e
:
:
Pattern
of
the
rear
side.
.
e
ae Ma
:
Denotes
that
Jumper
wire
works
as
Test
Point.
G:
GERMANY
IC101@ pin RF PLAY
1C331@ pin RF PLAY
IC101@
pin
TE
PLAY
1C101@
pin
FE
PLAY
1C301@ pin CLK PLAY
1C331@ pin CLK PLAY
1C331@ pin RF CK
IC901@ pin X. IN
1C341®
pin
BCKI
1C342@
pin
BCKI
1C341@ pin LRCKI
Note on Schematic Diagram:
Note:
e@ All capacitors are in wF unless otherwise noted. pF: vig
SOWV or less are not indicated except for electrolytics
and tantalums.
@
All
resistors
are
in
Q
and
'/,W
or
less
unless
otherwise
specified.
e 4 __: internal component.
eo {U4}: fusible resistor.
Note: The components identified by mark A or dotted
line with mark are critical for safety.
Replace only with part number specified.
@ «mee B+ Line
ammem © B— Line
e@ Voltage and waveforms are dc with respect to ground
under no-signal conditions.
e Voltages are taken with a VOM (input impedance 10M).
Voltage variations may be noted due to normal produc-
tion tolerances.
:
Pattern
on
the
side
which
is
seen.
e@
Waveforms
are
taken
with
a
oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
@ Circled numbers refer to waveforms.
© Signalpath. g® -cp
e> : digital out