Sony SAV-E525 Manuale di servizio - Pagina 3

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• Location of controls

– Front view (a part) –

1 POWER button

2 ON/STANDBY indicator

3 LEVEL dial

4 MODE dial

SECTION 1

GENERAL

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND

SCHEMATIC DIAGRAMS.

(In addition to this, the necessary note is printed in each block.)

For printed wiring boards.

Note:

• X : parts extracted from the component side.

• Y : parts extracted from the conductor side.

• b : Pattern from the side which enables seeing.

2-1. Circuit Boards Location

LED board

POWER SWITCH board

SA-VE522/VE525/WM525/SS-MS525/V521

SECTION 2

DIAGRAMS

For schematic diagrams.

Note:

• 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

W or less unless otherwise

specified.

• C : panel designation.

Note:

The components identi-

Les composants identifiés par

fied by mark 0 or dotted

une marque 0 sont critiques

line with mark 0 are criti-

pour la sécurité.

cal for safety.

Ne les remplacer que par une

Replace only with part

piéce por tant le numéro

number specified.

spécifié.

•

: B+ Line.

•

: B– Line.

• Voltages are dc with respect to ground under no-signal con-

ditions.

no mark : Power on

∗

: Impossible to measure

• Voltages are taken with a VOM (Input impedance 10MΩ).

Voltage variations may be noted due to normal preduction

tolerances.

• Signal path.

K : AUDIO

• Abbreviation

CND : Canadian model

: Singapore model

MX : Mexican model

POWER board

AUTO POWER board

CONTROLboard

MAIN board