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Technicolor - Thomson CDP-CX57 User Manual

Page 21

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– 21 –

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

and

1

/

4

W or less unless otherwise

specified.

¢

: internal component.

C

: panel designation.

Note on Printed Wiring Boards:

• X

: parts extracted from the component side.

• Y

: parts extracted from the conductor side.

¢

: internal component.

• b

: Pattern from the side which enables seeing.

: Solder bridge.

Indication of transistor.

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.

U

: B+ Line.

V

: B– Line.

H

: adjustment for repair.

• Voltages and waveforms are dc with respect to ground

under no-signal conditions.
no mark: PLAY

• Voltages are taken with a VOM (Input impedance 10 M

).

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

: digital out

• Abbreviation

AED

: North European

AUS

: Australian model.

CND : Canadian model.
E2

: 120 V AC Area in E model.

E3

: 240 V AC Area in E model.

SP

: Singapore model.

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)

12345678

12345678

12345678

12345678

B

These are omitted.

C

E

Q

B

These are omitted.

C

E

Q