Sony ta a 790 n service manual

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TA-A'IQUN

SERVICE MANUAL

This set is the Power Amplifier
section in LBT~A790IA795i

AEP Model

E Model
Australian Model
Tourist Model

SPECIFICATIONS

Peak music power output (6 ohms, 4 speakers driven)
900W (MX)
1,200W (E, EA, SP, MY, IE, AUS)
Continuous RMS power output
FRONT(AEP, IT, G, C15) 100 W + 100 W (6 ohms, DIN, 1 kHz)

120 w + 120 w
(6 ohms, at 1 kHz, 5% THD)
FRONT (E, EA, SP, lzswflzsw
MY. MXv 1E1 AUS) (6 ohms. at IkHz, 5% THD)
REAR 20 w + 20 w (4 ohms, DIN,1 kHz)
25 w + z» w

(4 ohms, at 1 kHz, 5% THD)
Music power output (AEP, IT, G, CIS)

FRONT 180 W + 180 W
(6 ohms, at 1 kHz, 10% THD)
REAR 33 W + 33 W

(4 ohms, at 1 kHz, 10% THD)

Frequency response +0

FRONT 15 Hz to 50 kHz -3 dB

REAR 15 Hz to 50 kHz :g dB
Power requirements 220-230V AC, 50/601-12
(AEP, IT, CIS, G)
240V AC, 50/601-12 (AUS)
12OV/220V/230-240V AC, 50/60Hz
(EA, E, 1E, MY, SP)
120V AC, 60H: (MX)
240W (AEP. IT, CIS, G)
235W (AUS, EA. E, JE, MY, SP)
270W (MX)

Power consumption

Mass Approx, 7.5 kg (16 lbs 8 oz)

(AEP, IT, G, CIS, MX)

Approx. 7.6 kg (16 lbs 12 02)

(E, EA, SP, MY, AUS, JE)

Approx, 355 x 135 x 35 mm
(14 x 5 5/16 x 12 /15 inches)
(w/h/d, including projections)

Dimensions

Design and specifications are subject to change without notice.

0 Abbreviations

IT : Italian model

G : German model
AUS: Australian model
EA : Saudi Arabia model
JE : Tourist model
MY : Malaysia model
SP : Singapore model
MX : Mexican model

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BY MARK & OR DOTTED LINE WITH
MARK & ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST
ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS
WITH SONV PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN
THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONV.

STEREO POWER AMPLIFIER
S 0 NY;