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Sony SRS-T57 Service Manual

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SERVICE MANUAL
Ver 1.0 2004.04
Sony Corporation
9-877-807-01
Personal Audio Company
2004D0278-1
Published by Sony Engineering Corporation
© 2004.04
SPECIFICATIONS
Speaker section
Enclosure type
Full range, Bass reflex,
magnetically shielded
Speaker system
34 mm (diameter)
8 Ω
Impedance
Rated input power
1 W
Maximum input power
2 W
Amplifier section
Rated output
1 W + 1 W
(10% T.H.D., 1 kHz, 8 Ω)
Bass boost
MEGA BASS
Input
Input cord a stereo-mini plug
(50 cm) × 1
Input impedance
4.7 kΩ (at 1 kHz)
General
Power
Four R6 (size AA) batteries, DC
6 V (optional AC power
adaptor)
approx. 224 × 85 × 57 mm
Dimensions (w/h/d)
× 3
(8
7
/
3
/
8
8
(during use)
approx. 50 × 85 × 100 mm
(2 × 3
× 4 inch) (folded)
3
/
8
Mass
approx. 330 g (12 oz.) including
batteries
Supplied accessories
Operating Instructions (1)
Design and specifications are subject to change without
notice.
SRS-T57
× 2
1
/
inch)
4
ACTIVE SPEAKER SYSTEM
E Model
Tourist Model

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  • Page 1 × 4 inch) (folded) Mass approx. 330 g (12 oz.) including batteries Supplied accessories Operating Instructions (1) Design and specifications are subject to change without notice. ACTIVE SPEAKER SYSTEM Sony Corporation 9-877-807-01 Personal Audio Company 2004D0278-1 Published by Sony Engineering Corporation © 2004.04...

  • Page 2: Section 1 General

    SRS-T57 Notes on chip component replacement • Never reuse a disconnected chip component. • Notice that the minus side of a tantalum capacitor may be damaged by heat. SECTION 1 This section is extracted from instruction manual. GENERAL LOCATING THE CONTROLS...

  • Page 3: Section 2 Disassembly

    SRS-T57 SECTION 2 DISASSEMBLY • The equipment can be removed using the following procedure. 2-1. DISASSEMBLY FLOW 2-2. BATTERY BOX (Page 3) 2-3. SPEAKER 2-4. AMP BOARD, DC JACK BOARD (Page 4) (Page 4) Note: Follow the disassembly procedure in the numerical order given.

  • Page 4: Amp Board, Dc Jack Board

    SRS-T57 2-3. SPEAKER Note: Remove Speaker (R) in the same way. cabinet (L), rear 8 two screws (+2.6 × 6) 5 Remove the speaker 3 four screws (+ P2 × 6) lead from groove of Speaker "Cabinet (L), front". lead...
  • Page 5 SRS-T57 SECTION 3 DIAGRAMS 3-1. PRINTED WIRING BOARDS SPEAKER(L) 8Ω DC JACK BOARD (SIDE A) AMP BOARD (SIDE A) DC IN 6V 1-679-480- 1-679-473- (12) (12) SPEAKER(R) (INPUT) 8Ω DC JACK BOARD (SIDE B) AMP BOARD (SIDE B) C104 C102...
  • Page 6 SRS-T57 3-2. SCHEMATIC DIAGRAM • IC BLOCK DIAGRAM IC1, 2 TEA2025D-013TR 17 16 15 14 13 12 THERMAL PROTECT START CIRCUIT DECOUPLING For Schematic Diagrams. Note: • All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or less are not indicated except for electrolytics and tantalums.

  • Page 7: Exploded Views

    SRS-T57 SECTION 4 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • The mechanical parts with no reference may have some difference from the original number in the exploded views are not supplied. one. • Color Indication of Appearance Parts •...

  • Page 8: Section 5 Electrical Parts List

    SRS-T57 SECTION 5 JACK ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • COILS When indicating parts by reference number, parts list may be different from the parts uH: µH please include the board name. specified in the diagrams or the components •...
  • Page 9 SRS-T57 MEMO...

  • Page 10: Revision History

    SRS-T57 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision...

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