Yamaha BBT 500H User manual

SERVICE MANUAL
GA 011757 HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. PDF- K7301 ’04.12
20041220-89000
CONTENTS
SPECIFICATIONS .............................................. 3/4
PANEL LAYOUT ..................................... 5
DISASSEMBLY PROCEDURE ............................. 7
LSI PIN DESCRIPTION ............................. 13
IC BLOCK DIAGRAM .................................. 16
CIRCUIT BOARDS ....................................... 18
TEST PROGRAM AND INSPECTIONS
............................. 32/36
ERROR MESSAGE ............................... 40
MIDI IMPLEMENTATION CHART .......................................... 41
PARTS LIST
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
BASS AMPLIFIER
（目次）
（総合仕様）
（パネルレイアウト）
（分解手順）
（LSI端子機能表）
（ICブロック図）
（シート基板図）
（テストプログラムと検査）
(エラーメッセージ)
（パーツリスト）
（ブロックダイアグラム）
（総回路図）

2
BBT500H
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly
other entities) to cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT
SO EVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose
eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling
food.
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 under-
stood 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 per-
sonal injury, destruction of expensive components and failure of the product to perform as specified. For
these reasons, we advise all Yamaha product owners that all service required should be performed by an
authorized Yamaha Retailer or the appointed service representative.
IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization certifi-
cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship of
any form.
The data provided is belived 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 changes in specification 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 bus in the unit (heavy gauge black wires connect to
this bus.)
IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power
to the unit.
Components having special characteristics are marked and must be replaced with parts having specification equal to those
originally installed.
WARNING
印の商品は、安全を維持するために重要な部品です。交換する場合は、安全のために必ず指定の部品をご使用ください。
IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
WARNING: THIS APPARATUS MUST BE EARTHED
IMPORTANT. The wires in this mains lead are coloured in
accordance with the following code:
GREEN-AND-YELLOW : EARTH
BLUE : NEUTRAL
BROWN : LIVE
As the colours of the wires in the mains lead of this apparatus may not
correspond with the coloured markings identifying the terminals in your
plug proceed as follows:
The wire which is coloured GREEN-and-YELLOW must be connected
to the terminal in the plug which is marked by the letter E or by the
safety earth symbol or colored GREEN or GREEN-and-YELLOW.
The wire which is coloured BLUE must be connected to the terminal
which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal
which is marked with the letter L or coloured RED.

BBT500H
3
Power Amplifier Section
Class-D power amplifier circuitry
Output 500W/2
Preamplifier Section
All digital signal processing
Sound Type: 11 Presets
5-Band Semi Parametric Tone Controls (Variable Frequencies)
Parametric Equalizer (PEQ, F, G, Q)
Effect Section
Compressor RATIO, THRSLD, ATTACK, RELEASE,
C. GAIN, KNEE
Limiter ON/OFF (SPEAKER, LINE OUT)
Noise Gate N. GATE
Crossover Filter LPF/HPF, Cutoff Frequency
Speaker Simulator ON/LINE/OFF (SPEAKER, LINE OUT)
Effect Loop
Monaural Send/Return, Level Switch (-20dB/+4dB), Effect
Blend Control
User Memory
5 User Memory (Sound Type, Amp Settings, Compressor,
Effect Blend)
MIDI Functions
Receive Program Change, Control Change, Bulk In
Transmit Bulk Out, Merge Out
Controllers/Switches
Front Panel Control Knobs x 11, Push Switches x 7
Rear Panel Control Knob x1, Slide Switches x4
Displays
Push Switch LED x5
Sound Type LED x11
7-Segment LED x3 Digit
Input Level LED x2 (Green, Red)
Connections
INPUT: Standard Monaural Phone Jack
SPEAKER 1, 2: Standard Monaural Phone Jack
PHONES: Standard Stereo Phone Jack
LINE OUT (UNBALANCED OUT): Standard Monaural Phone Jack
LINE OUT (BALANCED OUT): XLR Jack
FX LOOP (SEND/RETURN): Standard Monaural Phone Jack
TUNER OUT: Standard Monaural Phone Jack
MIDI IN, MIDI OUT: 5-pin DIN jack
A/D Conversion
24 bit
D/A Conversion
24 bit
Sampling Frequency
48kHz
Input Level/Impedance
INPUT: -37dBm (thru)/1M
FX LOOP RETURN: -20dBm/220k , +4dBm/220k
Output Level/Impedance
SPEAKER (BRIDGED OUT): 500W RMS/2 , 250W RMS/4
LINE OUT (UNBALANCED OUT): +4dBm/10k
LINE OUT (BALANCED OUT): +4dBm/600
FX LOOP SEND: -20dBm/100k , +4dBm/100k
Power Requirements
U.S. and Canadian models : 120V, 60Hz
General model : 230V, 50-60Hz
Power Consumption
130W
Dimensions (W x H x D)
378 x 88 x 265 mm (14-7/8” x 3-7-16” x 10-7/16”)
Weight
U.S. and Canadian models : 4.7 kg (10 lbs. 6 oz)
General model : 5.2 kg (11 lbs. 7 oz)
Accessories
Power Cable
Rack Mount Adaptors X2
Rack Mount Adaptor Screws X6
Owner’s Manual
Clamp Filters X3 (U.S. and Canadian models only)
SPECIFICATIONS

4
BBT500H
入力レベル/インピーダンス
INPUT:−37dBm（スルー）/1MΩ
FXLOOPRETURN:-20dBm/220kΩ,
+4dBm/220kΩ
出力レベル/インピーダンス
SPEAKER(BRIDGEDOUT):
500WRMS/2Ω,250WRMS/4Ω
LINEOUT(UNBALANCEDOUT):+4dBm/10kΩ
LINEOUT(BALANCEDOUT):+4dBm/600Ω
FXLOOPSEND:-20dBm/100kΩ,+4dBm/100kΩ
電 源 AC100V,50/60Hz
消費電力 130W
寸法 （WxHxD）378x88x265mm
重 量 5.2kg
付属品 電源ケーブル
ラックマウントアダプターx2
ラックマウントアダプター取付ネジx6
取扱説明書
総合仕様
パワーアンプ部 Class-Dパワーアンプ回路
出力500W/2Ω
プリアンプ部 完全デジタルシグナルプロセッシング
サウンドタイプ・プリセット11
5バンド・セミパラメトリック・トーンコ
ントロール（周波数可変）
パラメトリックイコライザー
（PEQF,G,Q）
エフェクト部
コンプレッサー RATIO,THRSLD,ATTACK,RELEASE,
C.GAIN,KNEE
リミッター ON/OFF(SPEAKER,LINEOUT)
ノイズゲート N.GATE
クロスオーバーフィルター
LPF/HPF,CutoffFrequency
スピーカーシミュレーター
ON/LINE/OFF(SPEAKER,LINEOUT)
エフェクトループ モノラルセンドリターン、レベルスイッ
チ（-20dB/+4dB）、エフェクトブレンド・
コントロール
ユーザーメモリー 5タイプ（サウンドタイプ、アンプ設定、
コンプレッサー、エフェクトブレンド）
MIDI機能 受信 ProgramChange,ControlChange,BulkIn
送信 BulkOut,MergeOut
コントローラー/スイッチ
フロントパネル ツマミx11、プッシュスイッチx7
リアパネル ツマミx1、スライドスイッチx4
表示 プッシュスイッチLEDx5
サウンドタイプLEDx11
7セグメントLEDx3ケタ
入力レベルLEDx2（緑,赤）
接続端子 INPUT:標準フォンモノジャック
SPEAKER1,2:標準フォンモノジャック
PHONES:標準フォンステレオジャック
LINEOUT(UNBALANCEDOUT):標準
フォンモノジャック
LINEOUT(BALANCEDOUT):キャノン
ジャック
FXLOOP(SEND/RETUEN:標準フォンモ
ノジャック
TUNEROUT:標準フォンモノジャック
MIDIIN,MIDIOUT:5pinDINジャック
A/Dコンバーター 24bit
D/Aコンバーター 24bit
サンプリング周波数 48kHz

BBT500H
5
PANEL LAYOUT
（パネルレイアウト）
!0
q w e r t y u i o
!1 !2 !3
●FRONTPANEL(フロントパネル)
q 電源スイッチ（POWER）
w 入力端子（INPUT）
e 入力レベルボリューム（INPUTLEVEL）
r サウンドタイプセレクトスイッチ（SOUNDTYPE）
t コンプレッサーボリューム（COMP）
y ゲインボリューム（GAIN）
u マスターボリューム（MASTER）
i トーンコントロール
(BASS,LOWMID,MIDDLE,HIGHMID,TREBLE)
o 出力レベルボリューム（OUTPUT）
!0 マニュアルスイッチ（MANUAL）
!1 メモリースイッチ（1〜5）
!2 ディスプレイ
!3 ファンクションスイッチ（FUNCTION）
q PowerSwitch
w InputJack(INPUT)
e InputLevelVolume(INPUTLEVEL)
r SoundTypeSelectSwitch(SOUNDTYPE)
t CompressorVolume(COMP)
y GainVolume(GAIN)
u MasterVolume(MASTER)
i ToneControls
(BASS,LOWMID,MIDDLE,HIGHMID,TREBLE)
o OutputVolumeLevel(OUTPUT)
!0 ManualSwitch(MANUAL)
!1 MemorySwitches(1-5)
!2 Display
!3 FunctionSwitch(FUNCTION)

6
BBT500H
!4 !5 !6 !7 !8 !9 @0 @1 @2
@4
@3
@5
!4 TunerOutput(TUNEROUT)
!5 EffectLoop(FXLOOP)
･EffectSendJack(SEND)
･EffectReturnJack(RETURN)
･EffectLoopLevelSwitch(LEVEL)
!6 HeadphonesJack(PHONES)
!7 Headphones/LineOutLevelControl
(LEVEL)
!8 LineOutJack
(UNBALANCEDOUT,BALANCEDOUT)
!9 LineOutSourceSwitch
(LINESOURCE:THRU/PREEQ/POSTEQ)
@0 SpeakerSimulatorSwitch
(SPSIM:OFF/LINE/ON)
@1 OutputLimiterSwitch
(OUTPUTLIMITER:ON/OFF)
@2 MIDIOUTJack
@3 MIDIINJack
@4 SpeakerJacks(SPEAKER1,2)
@5 PowerConnector(ACIN)
!4 チューナー出力端子（TUNEROUT）
!5 エフェクトループ（FXLOOP）
・エフェクトセンド端子（SEND）
・エフェクトリターン端子（RETURN）
・エフェクトループレベルスイッチ（LEVEL）
!6 ヘッドフォン端子（PHONES）
!7 ヘッドフォン/ラインアウトレベルコントロール
（LEVEL）
!8 ラインアウト端子
（UNBALANCEDOUT,BALANCEDOUT）
!9 ラインアウトソーススイッチ
（LINESOURCE:THRU/PREEQ/POSTEQ）
@0 スピーカーシミュレータースイッチ
（SPSIM:OFF/LINE/ON）
@1 アウトプットリミッタースイッチ
（OUTPUTLIMITER:OFF/ON）
@2MIDIOUT端子
@3MIDIIN端子
@4スピーカー端子（SPEAKER1,2）
@5電源コネクタ（ACIN）
●REARPANEL(リアパネル)

BBT500H
7
1. Top Cover
(Time required: About 4 minutes)
1-1. Remove the two (2) screws marked [110].The side
pad can then be removed. (Fig. 1)
1-2. Remove the four (4) screws marked [60a] and the
two (2) screws marked [70] (Fig. 1)
*Remove the parts on the other side in the same
way.
1-3. Remove the six (6) screws marked [60b] and the
five (5) screws marked [80].(Fig. 2)
1-4. Remove the top cover. (Fig. 2)
1. トップカバー(所要時間:約 4 分)
1-1 [110]のネジ2本を外し、サイドパッドを外します。
(図1)
1-2 [60a]のネジ 4 本と、[70]のネジ 2 本を外します。
(図1)
※ 反対側も同様に外します。
1-3 [60b]のネジ 6 本と、[80]のネジ 5 本を外します。
(図2)
1-4 トップカバーを外します。(図 2)
〈Side View〉〈
Top View〉
(＋バインド小ネジ)
DISASSEMBLY PROCEDURE
2. フロント Ass'y(所要時間:約 5 分)
2-1 トップカバーを外します。(1項参照)
2-2 [60c]のネジ3本を外し、フロントAss'yを外します。
(図3)
[60]: Bind Head Tapping Screw-B
3.0x6 MFZN2BL (EP600230)
[70]: Bind Head Screw
4.0x6 MFZN2BL (EG340340)
[110]: Bind Head Screw
4.0x16 MFZN2BL (EG340110)
(＋バインドBタイト)
Fig.1
（図1）
[60]: Bind Head Tapping Screw-B
3.0x6 MFZN2BL (EP600230)
(＋バインドBタイト)
[80]: Bind Head Screw
3.0x8 MFZN2BL (VA295800)
(＋バインド小ネジ)
[110]
Side Pad(サイドパッド
)
[70]
[60a]
(＋バインド小ネジ)
[80]
[60b]
Top Cover
(トップカバー)
[60b] [60b]
Fig.2（図2）
[60c]
Front Assembly(フロントAss'y)
Fig.3（図3）
[60]: Bind Head Tapping Screw-B
3.0x6 MFZN2BL (EP600230)
(＋バインドBタイト)
〈Bottom View〉
2. Front Assembly
(Time required: About 5 minutes)
2-1. Remove the top cover. (See procedure 1.)
2-2. Remove the three (3) screws marked [60c].The front
assembly can then be removed.(Fig. 3)
（分解手順）

8
BBT500H
4. DM基板(1/2)(所要時間:約 5 分)
4-1 ノブ[A]を引き抜いて外します。(写真 1)
4-2 トップカバーを外します。(1 項参照)
4-3 [C170]、[C200]及び[A]の六角ナットを外します。
(図 5)
4-4 [C160]のネジ 4 本を外し、DM 基板(1/2)を外しま
す。(図 5)
Knob[A](ノブ[A])
Photo.1（写真1）
〈Rear View〉
Fig.5（図5）
[C160]: Bind Head Tapping Screw-P
3.0X6 MFZN2BL(VA819100)
[C170]: Hexagonal Nut 9.0 12X2 MFNI33
(LX200060)
[C200]: Hexagonal Nut 12.0 MFNI33
(ES200210)
(＋バインドPタイト)
(特殊六角ナット)
(特殊六角ナット)
[A]
[C170]
[C200]
[C160]
DM (1/2)
[C200] [A]
〈Rear View〉
〈Top View〉
3. 電源スイッチ(所要時間:約 5 分)
3-1 トップカバーを外します。(1 項参照)
3-2 フロント Ass'y を外します(2 項参照)
3-3 電源スイッチのツメを押えながら、フロントパネル
から電源スイッチを外します。（図 4）
PUSH
（押す）
Power switch(電源スイッチ)
Fig.4（図4）
3. Power Switch
(Time required: About 5 minutes)
3-1. Remove the top cover. (See procedure 1.)
3-2. Remove the front assembly.(See procedure 2.)
3-3. Pressing the power switch claws, remove the power
switch from the front panel. (Fig.4)
4. DM Circuit Board (1/2)
(Time required: About 5 minutes)
4-1. Remove the knob [A] by pulling it off.(Photo.1)
4-2. Remove the top cover. (See procedure 1.)
4-3. Remove the hexagonal nuts marked [C170], [C200],
and [A]. (Fig. 5)
4-4. Remove the four (4) screws marked [C160].The DM
circuit board can then be removed. (Fig. 5)

BBT500H
9
〈Front View〉
6. PN 基板(所要時間:約 9 分)
6-1 [130]のノブ 10 個を引き抜いて外します。(写真 4)
6-2 六角ナット 10 個を外します。(写真 4)
6-3 トップカバーを外します。(1項参照)
6-4 フロント Ass'y を外します。(2 項参照)
6-5 [F80]のネジ 6 本を外し、PN 基板を外します。
(図7)
Fig.6（図6）
[F120]: Hexagonal Nut 9.0 MFNI33 (LX200060)
[F130]: FlatWasher 9X14 0.5 FNM3 (VL802300)
[F140]: Insulation Nut GA/BA (V3630000)
(特殊六角ナット)
Hexagonal Nut
（六角ナット）
Photo.2（写真2）
Front
→

DM (2/2)
EarthCab
le
(アース線
)
[80]
[150]
EarthCable
(アース線)
[150]
Photo.3（写真3）
[80]: Bind Head Screw 3.0X8
MFZN2BL (VA295800)
(＋バインド小ネジ)
5. DM 基板(2/2)(所要時間:約 6 分)
5-1 [F120]の六角ナット、[F130]のワッシャーと[F140]
の絶縁ナットを外します。(図 6)
5-2 ノブ[B]を引き抜いて外します。(図 6)
5-3 六角ナットを外します。(写真 2)
5-4 トップカバーを外します。(1項参照)
5-5 フロント Ass'y を外します(2 項参照)
5-6 [150]の六角ナットと[80]のネジを外し、アース線
を外します。(写真3)
5-7 DM 基板(2/2)を外します。(写真 3)
[F120][F130][F140]
Knob[B]
(ノブ[B])
[150]: Hexagonal Nut #2 3.0 MFZN2Y (ES200020)
(六角ナット)
5. DM Circuit Board (2/2)
(Time required: About 6 minutes)
5-1. Remove the Hexagonal nut marked [F120], the Flat
washer marked [F130] and the Insulation nut marked
[F140]. (Fig. 6)
5-2. Remove the knob [B] by pulling it off. (Fig. 6)
5-3. Remove the hexagonal nut.(Photo.2)
5-4. Remove the top cover. (See procedure 1.)
5-5. Remove the front assembly. (See procedure 2.)
5-6. Remove the hexagonal nut marked [150] and the
screw marked [80]. The earth cable can then be
removed. (Photo.3)
5-7. Remove the DM circuit board (2/2). (Photo.3)
(特殊平座金)
(絶縁ナット)
6. PN Circuit Board
(Time required: About 9 minutes)
6-1. Remove the ten (10) knobs marked [130].(Photo.4)
6-2. Remove the ten (10) hexagonal nuts. (Photo.4)
6-3. Remove the top cover. (See procedure 1.)
6-4. Remove the front assembly. (See procedure 2.)
6-5. Remove the six (6) screws marked [F80].The PN
circuit board can then be removed. (Fig. 7)

10
BBT500H
7. PW基板(所要時間:約 10 分)
7-1 トップカバーを外します。(1 項参照)
7-2 フロント Ass'y を外します。(2 項参照)
7-3 DM基板(1/2)を外します。(4 項参照)
7-4 [B]の六角ナット 2 個を外します。(図8)
7-5 [C120a]のネジ 2 本を外します。(図 8)
7-6 [C60]の六角ナット、[C100a]のネジを外し、
アース線を外します。(写真 5)
7-7 [C120b]のネジ2本を外し、FETカバーを外します。
(写真 6)
7-8 [C120c]のネジ 24 本を外し、ACINアングルと
PW 基板を外します。(図 8,9)
Fig.7（図7）
[F80]: Bind Head Tapping Screw-P
3.0X6 MFZN2BL(VA819100)(＋バインドPタイト)
Fig.8（図8）
[C60]
Earth cable
（アース線）

[C100a]
[C60]
(アース線)
Earth cable
[C120]: Bind Head Screw
3.0X8 MFZN2BL(VA295800)
(＋バインド小ネジ)
Photo.5（写真5）
[C60]: Hexagonal Nut
#1 4.0 MFZN2Y(VB837300)
(六角ナット)
[C100]:Bind Head Screw
4.0X8 MFZN2BL(EG340360)
(＋バインド小ネジ)
（写真4）
[130]: Knob (WC936600)
(ノブ)
Photo.4
[130]
Hexagonal Nut
（六角ナット）
[F80]
PN
[B] [C120a]
（ACINアングル）
ACIN Angle
7. PW Circuit Board
(Time required: About 10 minutes)
7-1. Remove the top cover. (See procedure 1.)
7-2. Remove the front assembly.(See procedure 2.)
7-3. Remove the DM circuit board (1/2).
(See procedure 4.)
7-4. Remove the two (2) hexagonal nuts marked [B].
(Fig. 8)
7-5. Remove the two (2) screws marked [C120a].
(Fig. 8)
7-6. Remove the hexagonal nut marked [C60] and the
screw marked [C100a].The earth cable can then be
removed. (Photo 5)
7-7. Remove the two (2) screws marked [C120b]. The
FET cover can then be removed. (Photo.6)
7-8. Remove the twenty-four (24) screws marked
[C120c].The ACIN Angle and the PW circuit board
can then be removed. (Fig. 8, 9)

BBT500H
11
PW
[C120c]
[C120c]
8. コイル(所要時間:約 6 分)
8-1 トップカバーを外します。(1項参照)
8-2 フロント Ass'y を外します。(2 項参照)
8-3 DM 基板(1/2)を外します。(4 項参照)
8-4 [C30]のネジ 2 本を外し、コイルを外します。
(写真7)
[C120b]
FET Cover
（FETカバー
）
Photo.6（写真6）
[C120]: Bind Head Screw
3.0X8 MFZN2BL(VA295800)
(＋バインド小ネジ)
Fig.9（図9）
[C120]: Bind Head Screw
3.0X8 MFZN2BL(VA295800)
(＋バインド小ネジ)
Photo.7（写真7）
[C30]: Bind Head Tapping Screw-B
3.0X8 MFZN2BL(EP600190)(＋バインドBタイト)
Coil
[C30]
（コイル）
Fuse
（ヒューズ
）
8. Coil (Time required: About 6 minutes)
8-1. Remove the top cover. (See procedure 1.)
8-2. Remove the front assembly. (See procedure 2.)
8-3. Remove the DM circuit board (1/2).
(See procedure 4)
8-4. Remove the two (2) screws marked [C30].The coil
can then be removed. (Photo.7)

12
BBT500H
9. DCファン(所要時間:約 5 分)
9-1 トップカバーを外します。(1 項参照)
9-2 [C60]のナットと、[C50]のネジ 4 本を外します。
(写真 8、図 10)
9-3 DCファンを外します。(写真 8)
[C60]
Fan
（DCファン）
Photo.8（写真8）
[C60]: Hexagonal Nut
#1 4.0 MFZN2Y(VB837300)
(六角ナット)
Fig.10（図10）
[C50]: Bind Head Screw
4.0X30 MFZN2BL(VT229100)
(＋バインド小ネジ)
[C50]
9. Fan (Time required: About 5 minutes)
9-1. Remove the top cover. (See procedure 1.)
9-2. Remove the nuts marked [C60] and the four (4)
screws marked [C50].(Photo.8, Fig.10)
9-3. Remove the fan. (Photo.8)

BBT500H
13
LSI PIN DESCRIPTION
HD6413008VF25 (X4196A00) CPU ...................................................................................... 13
AK5383VF (X0578A00) A/D ................................................................................................. 14
AK4393VF-E2 (XW029A00) D/A ..........................................................................................14
TDA7571 (X4450A00) DIGITAL POWER AMP ....................................................................14
YSS910-V (XV988B00) DSP ................................................................................................. 15
PIN
NO. I/ONAME FUNCTION
HD6413008VF25 (X4196A00) CPU
PIN
NO. I/ONAME FUNCTION
DM: IC106
1 VCC/VCL I/O Power supply/External capacitor
2
CS7/TMO0/TP8/PB0 I/O Chip select 7/Compare match 0/TPC 8/Port B-0
3 CS6/TMIO1/TP9/PB1 I/O Chip select 6/Input capture,Compare match 1/TPC 9/Port B-1
4 CS5/TMO2/TP10/PB2 I/O Chip select 5/Compare match 2/TPC 10/Port B-2
5 CS4/TMIO3/TP11/PB3 I/O Chip select 4/Input capture,Compare match 3/TPC 11/Port B-3
6 TP12/PB4 I/O TPC 12/Port B-4
7 TP13/PB5 I/O TPC 13/Port B-5
8 TP14/PB6 I/O TPC 14/Port B-6
9 TP15/PB7 I/O TPC 15/Port B-7
10 RESO O Reset
11 VSS I Ground
12 TXD0/P90 I/O Transmit data 0/Port 9-0
13 TXD1/P91 I/O Transmit data 1/Port 9-1
14 RXD0/P92 I/O Receive data 0/Port 9-2
15 RXD1/P93 I/O Receive data 1/Port 9-3
16 IRQ4/SCK0/P94 I/O
Interrupt request 4/Serial clock 0/Port 9-4
17 IRQ5/SCK1/P95 I/O Interrupt request 5/Serial clock 1/Port 9-5
18 D0/P40 I/O Data bus 0/Port 4-0
19 D1/P41 I/O Data bus 1/Port 4-1
20 D2/P42 I/O Data bus 2/Port 4-2
21 D3/P43 I/O Data bus 3/Port 4-3
22 VSS I Ground
23 D4/P44 I/O Data bus 4/Port 4-4
24 D5/P45 I/O Data bus 5/Port 4-5
25 D6/P46 I/O Data bus 6/Port 4-6
26
D7/P47 I/O Data bus 7/Port 4-7
27 D8 I/O Data bus 8
28 D9 I/O Data bus 9
29 D10 I/O Data bus 10
30 D11 I/O Data bus 11
31
D12 I/O Data bus 12
32 D13 I/O Data bus 13
33 D14 I/O Data bus 14
34 D15 I/O Data bus 15
35 VCC I Power supply
36 A0 O Address bus 0
37 A1 O Address bus 1
38 A2 O Address bus 2
39 A3 O Address bus 3
40
A4 O Address bus 4
41 A5 O Address bus 5
42 A6 O Address bus 6
43 A7 O Address bus 7
44 VSS I Power supply
45
A8 O Address bus 8
46 A9 O Address bus 9
47 A10 O Address bus 10
48 A11 O Address bus 11
49 A12 O Address bus 12
50 A13 O Address bus 13
51 A14 O Address bus 14
52 A15 O Address bus 15
53
A16 O Address bus 16
54 A17 O Address bus 17
55 A18 O Address bus 18
56 A19 O Address bus 19
57 VSS I Power supply
58 P60/WAIT I/O Port 6-0/Wait
59 P61/BREQ I/O Port 6-1/Bus request
60 P62/BACK I/O Port 6-2/Bus request acknowledge
61 P67/ I/O Port 6-7/System clock
62
STBY I Standby
63 RES I Reset
64 NMI I Nonmaskable interrupt
65 VSS I Power supply
66 EXTAL I Crystal resonator or external clock
67
XTAL I Crystal resonator
68 VCC I Power supply
69 AS O Address strobe
70 RD O Read
71 HWR O High write
72 LWR O Low write
73 MD0 I Operating mode 0
74 MD1 I Operating mode 1
75 MD2 I Operating mode 2
76
AVCC I Power supply
77 VREF I Reference voltage
78 P70/AN0 I/O Port 7-0/Analog 0
79 P71/AN1 I/O Port 7-1/Analog 1
80 P72/AN2 I/O Port 7-2/Analog 2
81
P73/AN3 I/O Port 7-3/Analog 3
82 P74/AN4 I/O Port 7-4/Analog 4
83 P75/AN5 I/O Port 7-5/Analog 5
84 P76/AN6/DA0 I/O Port 7-6/Analog 6/D/A converter 0
85 P77/AN7/DA1 I/O Port 7-7/Analog 7/D/A converter 1
86 AVSS I Ground
87 IRQ0/P80 I/O Interrupt request 0/Port 8-0
88 CS3/IRQ1/P81 I/O
Chip select 3/Interrupt request 1/Port 8-1
89 CS2/IRQ2/P82 I/O Chip select 2/Interrupt request 2/Port 8-2
90 ADTRG/CS1/IRQ3/P83 I/O A/D conversion/Chip select 1/Interrupt request 3/Port 8-3
91 CS0/P84 I/O Chip select 0/Port 8-4
92 VSS I Power supply
93
TCLKA/TP0/PA0 I/O Clock input A/TPC 0/Port A-0
94
TCLKB/TP1/PA1 I/O Clock input B/TPC 1/Port A-1
95
TCLKC/TIOCA0/TP2/PA2 I/O Clock input C/Capture,compare A0/TPC 2/Port A-2
96 TCLKD/TIOCB0/TP3/PA3 I/O Clock input D/Capture,compare B0/TPC 3/Port A-3
97 A23/TIOCA1/TP4/PA4 I/O Address bus 23/Capture,compare A1/TPC 4/Port A-4
98 A22/TIOCB1/TP5/PA5 I/O Address bus 22/Capture,compare B1/TPC 5/Port A-5
99 A21/TIOCA2/TP6/PA6 I/O Address bus 21/Capture,compare A2/TPC 6/Port A-6
100 A20/TIOCB2/TP7/PA7 I/O Address bus 20/Capture,compare B2/TPC 7/Port A-7
（LSI 端子機能表）

14
BBT500H
PIN
NO. I/ONAME FUNCTION
AK5383VF (X0578A00) A/D
PIN
NO. I/ONAME FUNCTION
DM: IC122
1 VREFL O Voltage refernce
2
GNDL - Ground
3 VCOML O Common
4 AINL+I Analog input +
5 AINL-I Analog input -
6 ZCAL I Zero calibration
7 VD - Voltage digital +3.3V
8 DGND - Ground
9 CAL O Calibration status
10 RST I Reset
11 SMODE2 I Serial interface mode2
12 SMODE1 I Serial interface mode1
13 LRCK I/O L/R Clock
14 SCLK I/O Serial data clock
15 SDATA O Serial data
16 FSYNC I/O Flame synchronize
17 MCLK I Master clock
18 DFS I Double fast sampling mode
19 HPFE I HPF Enable
20 TEST I Test
21 BGND - Ground
22 AGND - Ground
23 VA - Voltage +5V
24 AINR-I Analog input -
25 AINR+I Analog input +
26 VCOMR O Common
27 GNDR - Ground
28 VREFR O Voltage reference
PIN
NO. I/O FUNCTIONNAME PIN NO. I/O FUNCTIONNAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DVSS
DVDD
MCLK
/PD
BICK
SDATA
LRCK
SMUTE//CS
DFS
DEM0/CCLK
DEM1/CDTI
DIF0
DIF1
DIF2
-
-
I
I
I
I
I
I
I
I
I
I
I
I
Digital ground
Digital power supply
Master clock
Power down mode
Audio serial data clock
Audio serial data input
L/R clock
Soft mute
Double speed sampling mode
De-emphasis enable
Digital input format
15
16
17
18
19
20
21
22
23
24
25
26
27
28
BVSS
VREFL
VREFH
AVDD
AVSS
AOUTR-
AOUTR+
AOUTL-
AOUTL+
VCOM
P//S
CKS0
CKS1
CKS2
-
I
I
-
-
O
O
O
O
O
I
I
I
I
Substrate ground
Low level voltage reference
High level voltage reference
Analog power supply +5 V
Analog ground
Rch negative analog output
Rch positive analog output
Lch negative analog output
Lch positive analog output
Common voltage output
Parallel/serial select
Master clock select
AK4393VF-E2 (XW029A00) DAC (Digital to Analog Converter) DM: IC123
PIN
NO. I/ONAME FUNCTION
TDA7571 (X4450A00) DIGITAL POWER AMPLIFIER
PIN
NO. I/ONAME FUNCTION
PW: IC107
1 (N.C)
2 (N.C)
3 (N.C)
4 Gpr I/O Gate PMOS, Right Channel
5 Gprs I/O Sense Gate PMOS, Right Channel
6 +Vs-5 Power Supply
7 Spr2 I Sensing 2 PMOS, Right Channel
8 Spr1 I Sensing 1 PMOS, Right Channel
9 +Vs-Vref1 I Supply Drivers PMOS
10 pgnd Power Ground
11 (N.C)
12 +Vs I Positive Power Supply
13 Spl1 I Sensing 1 PMOS, Left Channel
14 Spl2 I Sensing 2 PMOS, Left Channel
15 -Vs+5 Power Supply
16 (N.C)
17
Gpls I/O Sense Gate PMOS, Left Channel
18 Gpl I/O Gate PMOS, Left Channel
19 (N.C)
20 (N.C)
21 Gnl I/O Gate NMOS, Left Channel
22 Gnls I/O Sense Gate NMOS, Left Channel
23 Snl2 I Sensing 2 NMOS, Left Channel
24 Snl1 I Sensing 1 NMOS, Left Channel
25 -Vs+Vrefl I Supply Drivers NMOS. Left Channel
26 -Vs I Negative Power supply
27 -Vs I Negative Power supply
28 Feed L in O Feedback Network Left Channel
29 CDsel1 Clip Detector Selection 1
30 CDsel2 Clip Detector Selection 2
31 CD O Clip Detector Output
32 dgnd Digital Ground
33 bridge Stereo/Bridge Selection
34 L/R Bridge Left/Right Selection
35 Rfs pcm-pwm gain conversion resistor
36 THWint O Internal Thermal Warning Output
37 THWext O External Thermal Warning Output
38 NTC O Sensing Resistors Network
39 f
40 5Vdig O Digital 5V Supply Output
41 P/O PLL/FREE Running Osc. Option
42 +Vs-low I Positive Voltage Supply Low Power
43 d1 Dither 1
44 d2 Dither 2
45 t1
46 MCLK I Master Clock Input
47 t2
48 SD I I2S Serial Data
49 WS I I2S Word Select
50 SCK I I2S Serial Clock
51 (N.C)
52 -2.5V O Signal -2.5V Supply Output
53 sgnd O Signal Ground
54 +2.5V O Signal 2.5V Supply Output
55 MUTE I Mute Input
56 ST-BY I Stand By Input
57 Feed R in O Feedback Network Right Channel
58 -Vs O Negative Voltage Supply
59 -Vs O Negative Voltage Supply
60 -Vs+Vrefr I Supply Drivers NMOS. Right Channel
61 Snr1 I Sensing 2 NMOS, Right Channel
62 Snr2 I Sensing 1 NMOS, Right Channel
63 Gnrs I/O Sense Gate NMOS, Right Channel
64 Gnr I/O Gate NMOS, Left Channel

BBT500H
15
PIN
NO. I/O FUNCTIONNAME PIN NO. I/O FUNCTIONNAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
Vdd
Vss
XI
XO
Vdd5
/SYNCI
/SYNCO
Vdd5
CKI
CKO
CKSEL
Vss
MCKS
/SSYNC
/IC
/TEST
BTYP
/IRQ
TRIG
Vdd5
Vss
/CS
/WR
/RD
CA7
CA6
CA5
CA4
CA3
CA2
CA1
Vss
Vdd
CD15
CD14
CD13
CD12
CD11
CD10
CD09
CD08
CD07
CD06
Vss
Vdd
Vdd5
CD05
CD04
CD03
CD02
CD01
CD00
/WAIT
Vss
SI0
SI1
SI2
SI3
SI4
SI5
SI6
SI7
Vss
Vdd5
SO0
SO1
SO2
SO3
SO4
SO5
SO6
SO7
Vss
DB00
DB01
DB02
DB03
DB04
DB05
DB06
DB07
DB08
DB09
DB10
DB11
DB12
Vdd5
Vdd
I
O
I
O
I
O
I
I
I
I
I
I
O
I/O
I
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Power supply (3.3 V)
Ground
System master clock input (60 MHz or 30 MHz)
System master clock output (High or 30 MHz)
Power supply (5 V)
Sync. signal input
Sync. signal output
Power supply (5 V)
System clock input (30 MHz)
System clock output (30 MHz)
System master clock select (0: 60 MHz, 1: 30 MHz)
Ground
Serial I/O master clock input (128 x Fs)
Serial I/O Sync. signal output
Initial clear (RESET)
Test mode setting (0: Test, 1: Normal)
Data bus type select (0: 8 bit, 1: 16 bit)
IRQ output
Trigger signal input/output
Power supply (5 V)
Ground
chip select signal input
Write signal input
Read signal input
Address bus of internal register
Ground
Power supply (3.3 V)
Data bus of internal register
Ground
Power supply (3.3 V)
Power supply (5 V)
Data bus of internal register
WAIT output
Ground
Serial data input
Ground
Power supply (5 V)
Serial data output
Ground
Parallel data bus
Power supply (5 V)
Power supply (3.3 V)
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
Vss
DB13
DB14
DB15
DB16
DB17
DB18
DB19
DB20
DB21
DB22
Vss
Vdd
DB23
DB24
DB25
DB26
DB27
DB28
DB29
DB30
DB31
TIMO/DBOB
Vss
Vdd5
DA00
DA01
DA02
DA03
DA04
DA05
DA06
DA07
Vss
DA08
DA09
DA10
DA11
DA12
DA13
DA14
DA15
Vss
Vdd
(n.c)
Vdd5
DA16
DA17
DA18
DA19
DA20
DA21
DA22
DA23
Vss
DA24
DA25
DA26
DA27
DA28
DA29
DA30
DA31
Vdd5
Vss
A00
A01
A02
A03
A04
A05
A06
A07
A08
A09
Vss
Vdd
A10
A11
A12
A13
A14
A15/RAS
A16/CAS
A17/CE
/WE
/OE
Vdd5
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Ground
Parallel data bus
Ground
Power supply (3.3 V)
Parallel data bus
Timing signal output/ Parallel data bus output/ input
Ground
Power supply (5 V)
Memory data bus
Ground
Memory data bus
Ground
Power supply (3.3 V)
Not used
Power supply (5 V)
Memory data bus
Ground
Memory data bus
Power supply (5 V)
Ground
Memory address (SRAM, PSRAM, DRAM)
Ground
Power supply (3.3 V)
Memory address (SRAM, PSRAM, DRAM)
Memory address (SRAM, PSRAM)
Memory address (SRAM, PSRAM), /RAS (DRAM)
Memory address (SRAM, PSRAM), /CAS (DRAM)
Memory address (SRAM), /CE (PSRAM)
Memory write enable signal
Memory output enable signal
Power supply (5 V)
YSS910-V (XV988B00) DSP6 (Digital Signal Processor) DM: IC104

16
BBT500H
SN74LV4040APWR (X3935A00)
DM: IC119
NAND
SN74LVU04APWR (X3936A00)
DM: IC116
Inverter
SN74LV245APWR (X3693A00)
DM: IC107,109,110
Transceiver
NJM5532M-TE1 (X4980A00)
DM: IC112-115
NJM4556AM-TE1 (X5049A00)
DM: IC117,118
NJM072BM-E(TE1) (X4543A00)
DM: IC301
OP AMP
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
95 3
2 4 13 12 14 15 1
11
10
CLR
CLK
QAQDQE
QHQKQL QFQGQIQJ
7
QB
6
QC
SN74LV4053APWR (X2719A00)
DM: IC108
MULTIPLEXER
1Y0
1Y1
2Y0
2Y1
3Y0
1-COM
INH
B
A
3-COM
3Y1
2-COM
C
11
10
9
6
15
14
12
13
2
1
5
3
4
A
B
PIN FUNCTION
1 . A OUTPUT
2 . A
- INPUT
3 . A
+ INPUT
4 . V-
5 . B
+ INPUT
6 . B
- INPUT
7 . B OUTPUT
8 . V
+
1
2
3
1A
2A
4 2Y
5 3A
6 3Y
7 GND
1Y
14
13
12
Vcc
6Y
11 5A
10 5Y
9 4A
8 4Y
6A
DIR
A1
A2
A3
A4
A5
A6
A7
A8
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
Vcc
OE
B1
B2
B3
B4
B5
B6
B7
B8
GND
1
2
3
4-V
8
7
6
5
+V
+-
+-
1
2
3
4
5
6
7
QL
QF
QE
QG
QD
QC
QB
16
15
14
13
12
11
10
VCC
QK
QJ
QH
QI
CLR
CLK
8
GND
9
QA
1
2
3
4
5
6
7
2Y1
2Y0
3Y1
3-COM
3Y0
INH
GND
16
15
14
13
12
11
10
VCC
2-COM
1-COM
1Y1
1Y0
A
B
8
GND
9
C
IC BLOCK DIAGRAM
（IC ブロック図）

BBT500H
17
TB62726AF (X4257A00)
PN: IC401
Driver
IR2153 (X2264A00)
PW: IC102
Controller
VB
PULSE
GEN
DELAY
HV
LEVEL
SHIFT
VCC
PULSE
FILTER
DEAD
TIME
LO
VS
COM
R
S
Q
15.6V
CT
RT
UV
DETECT
RQ
SQ
DEAD
TIME
HO
LOGIC
-
-
-
+
+
+
R
R
R/2
R/2
1
2
3
4
8
7
6
5
Vcc
CT
COM
VB
HO
VS
LO
RT
GND
SERIAL-IN
CLOCK
LATCH
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
VDD
R-EXT
SERIAL-OUT
ENABLE
OUT15
OUT14
OUT13
OUT12
OUT11
OUT10
OUT9
OUT8
1
2
3
4
5
6
7
24
23
22
21
20
19
18
8
9
10
11
12
16
15
14
13
17

18
BBT500H
DM(1/2,2/2) Circuit Board
4NA-WC98000-2
Note:See parts list for details of circuit board component parts.
CIRCUIT BOARDS
to DM(2/2)
-CN302
INPUT
INPUT LEVEL
to DM(1/2)-CN106 to PW-CN103 to PW
-
A
A'
TUNER OUT
FX LOOP
PHONES
LEVEL
RETURN LEVEL SEND UNB
A
OUT
Component side
（シート基板図）
注：シートの部品詳細はパーツリストをご参照ください。
（部品側）
DM(1/2,2/2) Circuit Board (X5383C0).............................................................................................18
PN Circuit Board (X5384A0)............................................................................................................22
PW Circuit Board (X4590D0)...........................................................................................................24
PW Circuit Board (X4590E0) ...........................................................................................................28
CONTENTS

BBT500H
19
Component side
to PW-CN106
to PN-CN401 to PN-CN402 to PN-CN403to PW-CN107
A
A'
LINE OUT
LINE SOURCE SP SIM MIDI OUTPUT LIMITER INOUT
LEVEL UNBALANCED
OUT BALANCED
OUT
4NA-WC98000-2
（部品側）

20
BBT500H
4NA-WC98000-2
B
B'
Pattern side
（パターン側）