Sony seq h 4800

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SEfl-H4800

SERVICE MANUAL E Model

Australian Model
Tourist Model

SEQ»H4800 is the
GRAPHIC EQUALIZER in

[flfiwgfi

FH~E8X. DIGITAL AUDIO
SPECIFICATIONS
inputs VIDEO (phono jacks) General
sensitivity: 300 mV, Power requirements
impedance: 47 kllohms 110- 120 V, or 220-240V
MD/DAT IN (phone jacks) A0 ajustable, 50/60 Hz
sensitivity: 300 mV, Power consumption 210 watts
impedance: 47 kliohms Dimensions Approx. 225 x 390 x 280 mm
PHONO (phone Jacks) (w/h/d)
sensitivity: 5 mV, (37/5 x153], x 11]; In.) incl.
impedance: 47 kiiohms projecting pans and controls
OUWUB MD/DAT OUT Mass Approx. 13 kg (2811) 11 oz)
"3991 250 mV Supplied accessories
Impedance: 2 kilohms Remote Commander (1) (RM-$350)
Sony SUM-3 (NS)
batteries (2)

AM loop antenna (1)
FM antenna (1)

AC power cord (2)
Flat cord (1)
Speaker cord (2)

Design and specifications subject to change
without notice,

Note
This appliance coniorms with EEC Directive

87/308/EEC regarding interference
suppression.

GRAPHIC EflliALIZER
S O NY®

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TABLE OF CONTENTS

Section Tit] 9

SECTION 1. TEST MODE ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

SECTION 2. GENERAL

Parts Identification - -

SECTION 3. IC PIN FUNCTION -----------------------

SECTION 4. DIAGRAMS

4-]. Block Diagram --------------------------------------

42. Printed Wiring Boards

. Main Section .....................................

4-3. Schematic Diagrams

. Main Section ................................. _ . . . .

44. Schematic Diagrams

. Panel, Power Section ...............................

4-5. Printed Wiring Boards

- Panel, Power Section -- ------------
4-6, Semiconductor Lead Layouts
4-7, IC BIock Diagrams --------------------

SECTION 5. EXPLODED VIEW

54 MAIN Section ......................................

SECTION 6. ELECTRICAL PARTS LIST --------------

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BV MARK A 0R DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL T0 SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

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