Schematic Diagram - Sony CDP-M72 Service Manual

@ WAVEFORMS
XX i
Leh
ait
+444
a WY
i
1c101 @ pLay
MUTT
w A \y
APPROX. 100mVp.P
10101 @ PLay
Note:
* All capacitors are in »F unless otherwise noted. pF: ppF 50WV
or less are not indicated except for electrolytics and tantalums.
* All resistors are in ohms, 1/4W or less unless otherwise noted.
4
: internal component.
The components identified by mark A\ or
dotted line with mark A\ are critical for
safety.
Replace only with part number specified.
ome: B+ Line.
: B- Line.
*(— 1): adjustment for repair.
* Voltage are DC with respect to ground under no -signal (STOP)
conditions.
*no mark: Stop mode
* Voltages are taken with a VOM (input impedance 10MM).
_ Voltage variations may be noted due to normal production
tolerances.
¢ Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
* Circled numbers refer to waveforms.
* Signal path
(ZZ: CD
* EA: Saudi Arabia Model
~15-
3-4. SCHEMATIC DIAGRAM : See page 19-21 for IC Block Diagrams and Pin functions of IC401.
2 3 4 5
FLD40!1 FLUORESCENT INDICATOR TUBE
TRACK STEP INDEX PEAK MIN DISC SEC
BE BE-BE. BE
EDIT
= | SHUFFLE (o0]
PROGRAM (MULT I)
AUTOSPACE REPEAT 1 A-B
SOOGDOOEH——_AA
Sian a = a
FLD DRIVE
MASTER CONTROL
D401
1SS132T-72
OBE ae)
Peer eer ee
1 3 s)
6 8 0
11 12 13 14 15
16 17 18 19 20
2 4
7 9
wal
ea
L8EIG0S 18253 8S)
Fa =:
:
te oO ¢
Ss =
Zz -
a a
ay
6 0
$402 $401 $403 $404
{_)] [T1Me} [CONTINUE]
aS — —
DAg? ou0 : oO
sss $405 $406 $408
[EDIT/ TIME FADE] FADE) SHUFFLE] | $408,412,416
| | TIME of
1967493. n oO o O PLAY MODE
3409 $410 $612
(20) (cecn) PROGRAM|
D404 = a oO
ISS taal ei 13 SAlé 3415 S416
PEAK (PEAK SEARCY) [REPEAT]
— os |] MUSIC
© O @ | SCAN
Iss ace ia al SA19 $420
fy} ie
| 1ss1494-72 a 0 ar Rae "fey
$421 $422 $423 $626
fo} B
——] |
isstt-72 $425, $426 $427 $428
isst2t-72 3429 $430 $431 $432
acts ff)
D409 oO o 0 oO ag
pesteet a? $433 $436 $435, $436
&] fo) iE) Ga
1sst429-72 O70 . o ee2
8437 $438 9439 $440