SERVICE MANUAL
Amplifier section
• Power output:
2 W + 2 W
• Input:
Speaker cord with stereo miniplug (50 cm)
• Input impedance:
4.7 kilohms (at 1 kHz)
Speaker section
• System:
Full-range, bass reflex type
• Speaker units:
Magnetically shielded ø 39 mm
• Impedance:
8 ohms
• Rated input power:
2 W
• Maximum input power:
4 W
General
• Power requirement:
Four R6 (size AA) batteries/DC 9 V
• Battery life (at TOTAL 10 mW output):
Approx. 24 hours Sony alkaline batteries LR6 (SG)
Approx. 8 hours Sony manganese batteries R6P (SR)
• Dimensions:
Approx. 221
×
127
×
117 mm (8
3
/
4
×
5
×
4
5
/
8
in.) (w/h/d) (during use)
Approx. 143
×
127
×
29 mm (5
3
/
4
×
5
×
1
3
/
16
in.)
(w/h/d) (folded)
• Mass:
Approx. 260 g (9 oz.) not incl. batteries Approx.
350 g (12 oz.) incl. batteries
• Supplied accessories:
AC power adaptor
AC- E90A (1), Carrying case (1), Plug adaptor (1)*
*For world model only.
Design and specifications are subject to change without
notice.
Features
• The Sony SRS-T77 is a compact (CD case-sized) speaker
system with a built-in power amplifier. This system can be
connected to a Discman, WALKMAN*, headphone
stereo, etc.
• The SRS-T77 has a dual power supply system. When you
operate the SRS-T77 outdoors, use battery power, and
when you operate it indoors, use an AC power adaptor
(supplied).
Rich and powerful bass
• Power output of 2 W + 2 W
• The embedded MEGA BASS delivers rich bass regardless
of the sound volume.
*WALKMAN is a registered trademark of Sony
Corporation.
Note on the AC power adaptor
Use only the AC-E90A (supplied) AC power adaptor.
Do not use any other AC power adaptor.
Polarity of the plug
ACTIVE SPEAKER SYSTEM
US Model
Canadian Model
Tourist Model
SRS-T77
Ver 1.0 2001.02
9-927-993-11
Sony Corporation
2001B0500-1
Audio Entertainment Group
C
2001.2
General Engineering Dept.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
SPECIFICATIONS
