CDP-C591, CDP-CE235, CDP-CE335, SEN-R2900 - Sony Audio Service Manual (repair manual). Page 10

Read Sony CDP-C591 / CDP-CE235 / CDP-CE335 / SEN-R2900 Service Manual online

CDP-C591/CE235/CE335
5-1. CIRCUIT BOARDS LOCATION
SECTION  5
DIAGRAMS
BD BOARD
SENSOR BOARD
MAIN BOARD
DISPLAY BOARD
KEY BOARD
POWER SW BOARD
LOADING MOTOR BOARD
TABLE MOTOR BOARD
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in
each block)

Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
Ω
 and 
1
/
4
 
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
¢
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD
c
: CD DIGITAL
• Abbreviation
CND
: Canadian
AED
: North European
AUS
: Aurstrarian
EA
: Saudi Arabia
SP
: Singapore

Note:
The components identi-
fied by mark 
!
 or dotted
line with mark 
!
 are criti-
cal for safety.
Replace only with part
number specified.

Note:
Les composants identifiés par
une marque 
!
 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
— 11 —
— 12 —
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.

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