Sony ta n 900 n service manual

Page 1

TA-NQDO

ower Output and Total

Harmonic Distortion:

(US model)

Continuous RMS

Power Output:

(At rated distortion,
munaurai channel
driven)

Power Bandwidth

(IHFI:
Slaw Rate:
Harmonic Distortion:

(At rated outputi

Intermodulation (IMI

D istortion:

(601-11: 7kHz = 4:1,
at rated output)

Frequency Response:

US Model
AEP Model
UK Model

MIINAURAI. PIIWER AMPLIFIER

SPECIFICATIONS

Signal-to-noise Ratio:

With 8 S1 ioads, monauai channel driven, from
20 - 20,000 Hz; rated 200 W per channel
minimum RMS power, with no more than
0.05 % total harmonic distortion from

W ,
250 m to rated output (For rated output)

Outputs:
At 20 Hz 7 20 kHz
200W (2, 4, 8 it)
According to DIN 45500
200WI2,4,8RI ENER L
System:

5 H2 - 70 kHz
150 V/u sec (8 9)

Less than 0.05 % (8 m
Less than 0.1 % (4 $7.)
Less than 0.2 %(251I

Less than 0.05 % (8 {2)

Less than 0.1 % I4 n)

Less than 0.2 % I2 (II

DC - 100 kHz :3 dB (DIRECT INPUT]

5 Hz ~100 kHz :2 dB (C COUPLED INPUT)

Residual Noise:
Damping Factor:
Inputs:

Greater than 120 dB (short-circuittd input, 8 a)
110 dB (8 Q, '78 IHFI

Less than 20 u\ (8 n, A network)

50 (8 (I, 1 kHz]

Sensitivity1.7/I8 n); 1.2 V (4 HI; 0.85 V (2 m
Impedance 50 k9.

SPEAKER terminals

Accept speakers of 2 - 16 £2 with a u ser-selectabie
switch

Pre-power stage
1st: Bootstrapped double casccde FET
differential input, with cumnt-
mirror output
2nd: Bootstrapped cascade inverted amp
3rd: Emitter follower SEFF Ouiput
Power stage
No NFB Iocp, pu re~complemewa ry SEPP
output in class A operation
Power supply
Pulse locked power supply

- Continued 0, 9 age 2 -

SAFETY»RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY SHADING AND MARK

ON THE SCHEMATIC DIAGRAMS, EXPLODED
VIEWS 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
PUBLISHED BV SONY.

SONY
SERVICE MANUAL

.-
.MIQEQF'M