Yamaha DSP-AX1600 - User Manual

SERVICE MANUAL
100981
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.
■ CONTENTS
TO SERVICE PERSONNEL .......................................... 2
FRONT PANELS ............................................................ 3
REAR PANELS .......................................................... 4~6
REMOTE CONTROL PANELS ...................................... 7
SPECIFICATIONS / 参考仕様 .................................. 8~10
INTERNAL VIEW ......................................................... 11
DISASSEMBLY PROCEDURES / 分解手順.......... 12~15
UPDATING FIRMWARE/
ファームウェアの書き込み..................................... 16~23
SELF DIAGNOSIS FUNCTION (DIAG)/
自己診断機能（ダイアグ）..................................... 24~57
AMP ADJUSTMENT/アンプ部調整 ..................... 58~59
DISPLAY DATA ..................................................... 60~61
IC DATA ................................................................. 62~69
BLOCK DIAGRAM ................................................. 71~73
PIN CONNECTION DIAGRAM .............................. 74~75
PRINTED CIRCUIT BOARD .................................. 76~97
SCHEMATIC DIAGRAM ...................................... 99~111
PARTS LIST ....................................................... 113~146
REMOTE CONTROL.......................................... 147~149
ADVANCED SETUP /
アドバンストセットアップメニューを設定する ............. 150
Parts List for Carbon Resistors .............................. 151
AV RECEIVER/AV AMPLIFIER
RX-V1600/DSP-AX1600
P.O.Box 1, Hamamatsu, Japan
2005 All rights reserved.
This manual is copyrighted by YAMAHA and may not be copied or
redistributed either in print or electronically without permission.
RX-V1600/
DSP-AX1600
'05.11

Summary

TO SERVICE PERSONNEL

Critical Components Information

Components with special characteristics marked 's' must be replaced with equivalent parts.

Leakage Current Measurement (For 120 V Models Only)

Verify insulation and measure leakage current after service on 120V models.

FRONT PANELS

REAR PANELS

REMOTE CONTROL PANELS

SPECIFICATIONS; 参考仕様

Audio Section; オーディオ部

Detailed specifications for the audio performance of the unit.

Video Section; ビデオ部

Specifications related to the video processing and output capabilities.

SET MENU TABLE; セットメニュー

DISASSEMBLY PROCEDURES; 分解手順

Removal of Top Cover

Step-by-step instructions for removing the top cover of the unit.

Removal of DSP, FUNCTION (2), INPUT (5), D VIDEO, A VIDEO (1), (2) P.C.B.s

Procedure for removing multiple PCBs including DSP, FUNCTION (2), and VIDEO boards.

Removal of OPERATION (6) P.C.B.

Instructions for removing the OPERATION (6) printed circuit board.

Removal of Front Panel

Instructions for removing the front panel unit.

Removal of INPUT (1) ~ (4) P.C.B.s

Steps for removing the INPUT (1) through (4) printed circuit boards.

Removal of Fan

Removal of Sub Chassis

Procedure for removing the sub chassis assembly.

Removal of Amp Unit

Removal of FUNCTION (1) P.C.B.

Steps for removing the FUNCTION (1) printed circuit board.

UPDATING FIRMWARE; ファームウェアーの書き込み

Required tools

Preparation and precautions before starting the operation

Important steps and safety measures before performing firmware update.

Operation Procedure

Writing of MAIN or VIDEO

Writing of MAIN; MAINの書き込み

Writing of VIDEO; VIDEOの書き込み

SELF DIAGNOSIS FUNCTION (DIAG)／自己診断機能（ダイアグ）

Starting DIAG in the protection cancel mode

Canceling DIAG

Operation procedure of DIAG menu and SUB-MENU

SPEAKERS SET

STRAIGHT; DISPLAY CHECK

MANUAL TEST

FACTORY PRESET

PRESET INHIBIT (Initialization inhibited); PRESET INHIBIT（初期化禁止）

PRESET RESERVED (Initialization reserved); PRESET RESERVED（初期化予約）

AD DATA CHECK

PS1;PS2 (Power supply voltage protection detection)

Checks power supply voltage protection values for PS1 and PS2.

DC (protection detection)

Checks DC detection protection values for abnormal DC output.

TM1;TM2 (temperature detection)

Detects and displays temperature values for front and rear heat sinks.

DSP CHECK

TI BUS

YSS-930 BUS

D-VIDEO CHECK

ALL Check

Microprocessor;Flash Check

I2 C Read Check

HDMI SELECT

HDMI NONE: No Connect

HDMI IN 1: HDMI IN 1 Port

HDMI IN 2: HDMI IN 2 Port

HDMI Signal Processing and Conversion

HDMI UPCONV

Converts and outputs image signals to HDMI OUT.

VIDEO

DIGITAL THR COMP

DIGITAL THR CVBS

DIGITAL THR Y;C

FLASH 232 C

MAIN

VIDEO

TI

SOFT SW

SOFT SW - Feature Selections

VIDEO FORMAT: NTSC;PAL

TMP TEST J;UC;RL

ROM VER;SUM - Firmware Information

MAIN Firmware Info

Displays MAIN firmware version and checksum.

VIDEO Firmware Info

Displays VIDEO firmware version and checksum.

DSP Firmware Info

Displays DSP firmware version and checksum.

XM Firmware Version

AMP ADJUSTMENT; アンプ部調整

Confirmation of Idling Current of Amp Unit

Procedure to confirm and adjust idling current of amplifier unit.

PIN CONNECTION

SCHEMATIC DIAGRAM (DSP 1;2)

SCHEMATIC DIAGRAM (DSP 2;2)

SCHEMATIC DIAGRAM (FUNCTION 1;2)

SCHEMATIC DIAGRAM (FUNCTION 2;2)

SCHEMATIC DIAGRAM (OPERATION)

SCHEMATIC DIAGRAM (MAIN)

SCHEMATIC DIAGRAM (POWER)

SCHEMATIC DIAGRAM (INPUT 1;2)

SCHEMATIC DIAGRAM (INPUT 2;2)

SCHEMATIC DIAGRAM (A-VIDEO 1;2)

SCHEMATIC DIAGRAM (A-VIDEO 2;2)

SCHEMATIC DIAGRAM (D-VIDEO 1;2)

SCHEMATIC DIAGRAM (D-VIDEO 2;2)

PARTS LIST

ELECTRICAL PARTS

List of electrical components with their part numbers and descriptions.

P.C.B. DSP

P.C.B. FUNCTION

P.C.B. FUNCTION & P.C.B. OPERATION

P.C.B. OPERATION & P.C.B. MAIN

P.C.B. MAIN

P.C.B. POWER

P.C.B. POWER & P.C.B. INPUT

P.C.B. INPUT

P.C.B. D-VIDEO

P.C.B. INPUT & P.C.B. A-VIDEO

EXPLODED VIEW

MECHANICAL PARTS

FRONT PANEL & SUB CHASSIS UNIT

AMP UNIT

KEY CHART

KEY NO. LAYOUT

KEY CHART

ADVANCED SETUP

Yamaha DSP-AX1600 Specifications

General

Brand	Yamaha
Model	DSP-AX1600
Category	Receiver
Language	English