Sony TAN 5550 Service Manual

Page 1

_ : 37mm POWER AMPLIFIER

SPECIFICATIONS

POWER AMPLIFIER SECTION

Continuous RMS
Power Output:
(rated output)
(Less than 0.1 %
harmonic distortion)

Dynamic Power Output:
(IHF constant power

supply method)

Power Bandwidth:

Damping Factor:

Harmonic Distortion:

IM Distortion:

Frequency Response:

SIN Ratio:

Both channels driven simultaneously
At 20 N 20,000 Hz
50 + 50W (80)
At 1 kHz
60 + 60W (80)
50 + 50W (457.)
According to DIN 45500
60 + 60W (851)

160 W (89)
140W (4n)

5 ~40,000 HZ, IHF
100 (8 S2, at 1 kHz)

Less than 0.1 % at rated output
Less than 0.08 % at 1 W output

Less than 0.1 % at rated output
. eH-Weutpute"

10 ~ 100,000 Hz :3 dB
(NORMAL/TEST switches at
NORMAL) +0

Dc ~ 100,000 Hz -2 dB
(NORMAL/TEST switches at
TEST)

Greater than 110 dB, short-circuited
input

Residual Noise:

Inputs:

Outputs:

GENERAL

Circuits:

Power Requirements:

Power Consumption:
AC Outlet:

Dimensions:

Weight:

Less than 002 uw (8 :2)

Sensitivity 10 V (for rated output)
Impedance 50 km

SPEAKER A, B terminals
Accept 4 ~16 51 speakers

Phase-linear dc stereo power amp-
lifier in direct-coupled V-FET pure
complementary symmetry circuitry

110,127, 220 or 240V ac,
50/60 Hz

680 W
1 unswitched, 400W

Approx.

460 (w) x 168 (h) x 305 (d) mm

18% (w) x 65/3 (h) x 121/2; (d) inches
Including projecting parts and
controls

Approx, 125 kg, 27 lb 9 oz (net)
Approx. 14.9 kg, 32|b16 oz
(with shipping carton)

SONY;

SERVICE MANUAL

Page 2

TAN-5550
SECTION 1

OUTLINE
1-1. BLOCK DIAGRAM

.[ INPUT BEARD) I ($22? SWITCH] [CLASS-A AMP BOARD-l

5
i
F

534
WWW DIFFERENTIAL DIFFERENTIAL DIFFERENTIAL
AMP-1 _- AMP-2 + AMP-3
. mo: 0102, 0103 OIO5,0I06
INPUTZ
CURRENT
0104 m0?

I
REGULATOR MI Rm AMP
I

i___iv___

lECLASS-B AMP/ PROTECTION BOARD J
I
CLASS- B I
EMITTER AMP
BIAS ADJ _ BIAS _. FOLLOWER 05|2T5r4
OSOI 0502 0504 SPEAKER
I B TERMINAL
0
TRANSISTOR o
PROTECTION
0506~5|l
I EMITTER SPEAKER
B'AS _. FOLLOWER 843 PROTECTION
0503 0505 AMP OTOI~705
O5I3,5I5
I Am
B+ B-
ICLASS-A AMP BOARD]
POWER suPPIv I" "l POWER SUPPLY
ISECTION , , BOARD
l
VOLTAGE
8+ REGULATOR I | RECTIFIER
Q40l,402, . D302~305
405 I l 35
| E Ac
INPUT
VOLTAGE
B _ REGULATOR RECTIFIER
040328: 050'306 I POWER TRANSFORMER
' _J

INPUT-l
INPUT-2
FUNCTION

NORMAL - R - CH: OMITTED
(SAME AS LCH)