Yamaha AV-S70 - User Manual

Yamaha AV-S70

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Table of Contents:

  • Page 2 – TO SERVICE PERSONNEL
  • Page 4 – SPECIFICATIONS; AMPLIFIER SECTION; GENERAL; Minimum RMS Output Power per Channel; SPEAKER SECTION
  • Page 5 – SW-AVS70 DISASSEMBLY PROCEDURES; Removal of Amplifier Unit; AV-S70 DISASSEMBLY PROCEDURES
  • Page 6 – FL
  • Page 7 – Display; DSP; Function; After “
  • Page 8 – Procedure for starting DSP DIAG; When “; Procedure for selecting Main menu and Sub-menu; Main menu; Procedure for canceling DIAG; There are two methods for cancellation of DIAG.
  • Page 9 – Details of DIAG menu; DSP 0dB
  • Page 11 – DSP FULL BIT; nels of the AC3 signal appears on the Fl display.; Sampling frequency
  • Page 12 – CENTER LARGE; function does not work and the signals are AC-3 reproduced.; EFFECT OFF; The L/R signal is output through MAIN BYPASS.
  • Page 13 – Main application
  • Page 15 – PORT
  • Page 19 – TOP VIEW
  • Page 24 – SW-AVS70 BLOCK DIAGRAM
  • Page 25 – AV-S70 PRINTED CIRCUIT BOARD; DIGITAL
  • Page 26 – INPUT SOUND
  • Page 27 – SPEAKER L; SW
  • Page 28 – INPUT; POWER
  • Page 29 – PO
  • Page 30 – SW-AVS70 PRINTED CIRCUIT BOARD; SPEAKER; SYSTEM
  • Page 31 – INPUT SELECTOR; * All voltage are measured with a 10M
  • Page 32 – MAIN L
  • Page 33 – PIN CONNECTION; PATTERN AREA; GRID ASSIGNMENT
  • Page 34 – MUTING
  • Page 35 – SW-AVS70 SCHEMATIC DIAGRAM
  • Page 36 – ABBREVIATIONS IN THIS LIST ARE AS FOLLOWS :; ELECTRICAL PARTS; PA RTS LIST; WARNING; Components having special characteristics are marked
  • Page 37 – Description
  • Page 39 – FET
  • Page 41 – CN
  • Page 42 – CHIP RESISTORS
  • Page 44 – PIN
  • Page 46 – AV-S70 MECHANICAL PARTS
  • Page 48 – SW-AVS70 EXPLODED VIEW
  • Page 49 – SW-AVS70 MECHANICAL PARTS
  • Page 50 – SCHEMATIC DIAGRAM; REMOTE CONTROL TRANSMITTER
  • Page 51 – Parts List for Carbon Resistors; Value
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SERVICE MANUAL

AV-S70/NX-SW70

AV-S70/NX-SW70

HOME THEATER SYSTEM

NX-SW70 is composed of SW-AVS70 and NX-AVS70s.

■

CONTENTS

TO SERVICE PERSONNEL ......................................... 1
FRONT/REAR PANELS .......................................... 1—2
SPECIFICATIONS ......................................................... 3
DISASSEMBLY PROCEDURES .................................. 4
TEST PROGRAM MODE ........................................ 5—6
DSP DIAG MODE ................................................. 7—13
AV-S70 IC DATA ................................................ 14—20
AV-S70 BLOCK DIAGRAM ................................ 21—22

SW-AVS70 BLOCK DIAGRAM .................................. 23
AV-S70 PRINTED CIRCUIT BOARD ................. 24—33
SW-AVS70 PRINTED CIRCUIT BOARD ........... 34—35
AV-S70 SCHEMATIC DIAGRAM ....................... 36—39
SW-AVS70 SCHEMATIC DIAGRAM .......................... 40
PARTS LIST ........................................................ 41—54
REMOTE CONTROL TRANSMITTER ........................ 55

IMPORTANT NOTICE

This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users,
and have therefore not been restated.

WARNING:

Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive
components, and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product owners that any service
required should be performed by an authorized YAMAHA Retailer or the appointed service representative.

IMPORTANT:

The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or recognition of any applicable
technical capabilities, or establish a principle-agent relationship of any form.

The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service departments of YAMAHA are
continually striving to improve YAMAHA products. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation to
retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division.

WARNING:

Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the
ground buss in the unit (heavy gauge black wires connect to this buss).

IMPORTANT:

Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.

FRONT SPEAKER (AV-S70)

SUBWOOFER

(SW-AVS70)

REAR SPEAKER

(NX-AVS70)

REAR SPEAKER

(NX-AVS70)

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About this manual

Brand
Yamaha
Model
AV-S70
Document type
User Manual
Language(s)
English
Pages
51
File size
7.3 MB
Format
PDF

Other Manuals for Yamaha AV-S70

Summary

Page 2 - TO SERVICE PERSONNEL

AV-S70/NX-SW70 AV-S70/NX-SW70 241.2 (9–1/2") 170 (6–11/16") 41.2 (1–5/8") 30 (1–3/16") 600 (23–5/8") 110 (4–5/16") 100 (3–15/16") 10 (3/8") ▼ AV-S70 1 ■ TO SERVICE PERSONNEL Critical Components Information.Components having special characteristics are marked Z and mus...

Page 4 - SPECIFICATIONS; AMPLIFIER SECTION; GENERAL; Minimum RMS Output Power per Channel; SPEAKER SECTION

AV-S70/NX-SW70 AV-S70/NX-SW70 3 * TruBass and the symbol are trademarks of SRS Labs, inc. in the United States and selected foreign countries.TruBass technology is incorporated under license from SRSLabs, inc. ■ SPECIFICATIONS NX-SW70 ■ AMPLIFIER SECTION Minimum RMS Output Power per Channel Rear (1k...

Page 5 - SW-AVS70 DISASSEMBLY PROCEDURES; Removal of Amplifier Unit; AV-S70 DISASSEMBLY PROCEDURES

AV-S70/NX-SW70 AV-S70/NX-SW70 4 1. Removal of Grille Assembly. a. Push up the Grille Assembly with a flat tip screwdriver or the like inserted from the bottom. (Fig. 1). b. Keep pushing up the Grille Assembly gradually until it can be removed. * The Grille Assembly is fixed securely at 8 dowels. Whe...

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