Accuphase E-550 Operating and installation instructions

Attention mark indicating critical components for safety.
Replacement must be made with identical parts of special part number.
このマークのついている部品は、安全上重要な部品です。
必ず指定されている部品番号の部品を使用して下さい。
Authorized Technical Service Only
These servicing instructions are for use by qualified personnel only.
To reduce the risk of electric shock do not perform any servicing
other than that contained in the operating instructions unless you are
qualified to do so. Refer all servicing to qualified service personnel.
ここに記載したサービスに関する指示事項は、サービスに関する資格を
有する者のみが使用するものです。感電防止の観点から、サービス資格
を有していない方は、取扱指示事項以外のサービスは絶対に行わないよ
うにして下さい。
CAUTION /
回路図
Bi-lingual

E
X
PLANATION OF SU
R
FACE PA
R
TS
Meter
ﾒｰﾀｰ
(178-2041-00)
Knob for INPUT
ﾂﾏﾐ
(381-4503-04)
Knob for VOLUME
ﾂﾏﾐ
(381-4501-14)
Push-button for POWER
ﾌﾟｯｼｭﾎﾞﾀﾝ
(388-5062-03)
Push-button for ATT
ﾌﾟｯｼｭﾎﾞﾀﾝ
(388-0602-03)
Front Panel Assembly
ﾌﾛﾝﾄﾊﾟﾈﾙ Ass'y
(130-0187-11)
Front Glass
ﾌﾛﾝﾄｶﾞﾗｽ
(172-0140-03)
Decoration Screw
飾りﾈｼﾞ/4pcs.
(630-0307-14)
Washer
ﾜｯｼｬ/4pcs.
(637-9045-04)
Bottom Plate
ﾎﾞﾄﾑﾌﾟﾚｰﾄ
(155-0090-02)
Foot
脚
(238-0023-00)
Sub Panel
ｻﾌﾞﾊﾟﾈﾙ
(134-0154-02)
Panel End-cap(L)
ﾊﾟﾈﾙｴﾝﾄﾞｷｬｯﾌﾟ(L)
(132-0127-04)
－１－
Side Panel
ｻｲﾄﾞﾊﾟﾈﾙ
(139-0043-02）
Side Panel
ｻｲﾄﾞﾊﾟﾈﾙ
(139-0043-02)
Top Plate
ﾄｯﾌﾟﾌﾟﾚ-ﾄ
(150-0083-02)
Head Phone Jack
ﾍｯﾄﾞﾎﾝｼﾞｬｯｸ
(302-1204-00)
Head Phone Ass'y
(716-0733-00)
Knob for SP,COPY,RECORDER
ﾂﾏﾐ/6pcs.
(384-1405-04)
Push-button for TONE
ﾌﾟｯｼｭﾎﾞﾀﾝ/1pce.
(389-5084-03)
Push-button for Opener
ﾌﾟｯｼｭﾎﾞﾀﾝｻﾌﾞﾊﾟﾈﾙ開閉
(388-0306-04)
Power Push Switch
(354-1023-00)
mark parts not supplied
★
★
★
★
★
Binding Screw
ﾊﾞｲﾝﾄﾞねじ/4pcs.
(604-0408-00)
Washer
平ﾜｯｼ/4pcs.
(637-0042-07)
Panel End-cap(R)
ﾊﾟﾈﾙｴﾝﾄﾞｷｬｯﾌﾟ(R)
(132-0128-04)

FRONT
V
IE
W
REAR VIEW
Pin Jack
ﾋﾟﾝｼﾞｬｯｸ /4pcs.
(302-0411-00)
Pin Jack Cover
ﾋﾟﾝｼﾞｬｯｸｶﾊﾞ/16pcs.
(254-2015-04)
Foot
脚
(238-0023-00)
Binding Screw
ﾌﾞﾚｻﾞｰBﾀｲﾄねじ
(611-0414-02)
Decoration Plate
ｽﾛｯﾄﾊﾟﾈﾙ
(159-0059-14)
Fixing Screw
飾りﾈｼﾞ/2pcs.
(630-0302-04)
Washer
ﾜｯｼｬ/4pcs.
(637-9045-04)
XLR (Cannon) Receptacle
ｵｰﾃﾞｨｵｺﾈｸﾀｼﾞｬｯｸ/4pcs.
(302-8011-00)
Connector Cover / Female
ｺﾈｸﾀｶﾊﾞ/ 4pcs.
(254-2012-00)
AC Outlet
ACｿｹｯﾄ/J type only
(305-1209-00)
AC Inlet
AC ｺﾈｸﾀﾌﾟﾗｸﾞ
(301-3304-00)
＊Power Supply Cord
電源ｺｰﾄﾞ
J type:680-1404-00
U type:680-2402-00
E type:680-3402-00
Rear Panel
ﾊﾞｯｸﾊﾟﾈﾙ
(135-0179-12)
Front Panel Assembly
ﾌﾛﾝﾄﾊﾟﾈﾙ Ass'y
(130-0187-11)
1 Front Panel=131-0187-11
ﾌﾛﾝﾄﾊﾟﾈﾙ
2 Sub-panel =134-0154-02
ｻﾌﾞﾊﾟﾈﾙ
3-1 Panel End Cap(L)=132-0127-04
ﾊﾟﾈﾙｴﾝﾄﾞｷｬｯﾌﾟL
3-2 Panel End Cap(R)=132-0128-04
ﾊﾟﾈﾙｴﾝﾄﾞｷｬｯﾌﾟR
4 Front Glass=172-0140-03
ﾌﾛﾝﾄｶﾞﾗｽ
5 Decoration Screw=630-0307-14
飾りﾈｼﾞ
Washer =637-9045-04
ﾜｯｼｬ
6 Push-button=388-5062-03
ﾌﾟｯｼｭﾎﾞﾀﾝ /POWER
Coil Spring=285-1016-04
Frame=113-0130-04
E-ring=647-1054-00
1pce.
1pce.
1pce.
1pce.
1pce.
4pcs.
4pcs.
1pce.
1pce.
1pce.
1pce.
7 Panel Name Plate=180-1102-13
ﾊﾟﾈﾙﾈｰﾑﾌﾟﾚｰﾄ
8 Push-button=389-5084-03
ﾌﾟｯｼｭﾎﾞﾀﾝ /TONE,COMP,MODE,METER
EXTPRE,
9 Push-button=388-0602-03
ﾌﾟｯｼｭﾎﾞﾀﾝ /ATT.
10 Push-button=388-0306-04
ﾌﾟｯｼｭﾎﾞﾀﾝ
11 Indicator=173-9084-03
ｲﾝﾃﾞｨｹｰﾀ
12 Knob Base=170-0071-04/VOLUME
13 Knob Base=170-0070-13/INPUT
台座
1pce.
1pce.
1pce.
1pce.
1pce.
1pce.
1pce.
Knob for VOLUME
ﾂﾏﾐ
(381-4501-14)
Head Phone Jack
ﾍｯﾄﾞﾎﾝｼﾞｬｯｸ
(302-1204-00)
Knob for INPUT
ﾂﾏﾐ
(381-4503-04)
Knob for TONE,BAL,
ﾂﾏﾐ (384-1405-04)
－２－
Pin Jack
ﾋﾟﾝｼﾞｬｯｸ /2pcs.
(302-0412-00)
Pin Jack Cover
ﾋﾟﾝｼﾞｬｯｸｶﾊﾞ/4pcs.
(254-2015-04) Speaker Terminal
SP端子/RED
(313-1020-00)
Cap/ｷｬﾌﾟ
(254-2024-04)
Speaker Terminal
SP端子/BRN
(313-1021-00)
Cap/ｷｬﾌﾟ
(254-2023-04)

IO Relay Assembly
IOﾘﾚｨ Ass'y
(716-0731-00)
Power Transformer
ﾊﾟﾜｰﾄﾗﾝｽ
(510-3027-00)
Logic Assembly
ﾛｼﾞｯｸ Ass'y
(721-0081-00)
Input Selector Assembly
ｲﾝﾌﾟｯﾄｾﾚｸﾀ Ass'y
(716-0734-00)
Connector Board Assembly
ｺﾈｸﾀﾎﾞｰﾄﾞ Ass'y
(716-0735-00)
Volume Assembly
ﾎﾞﾘｭｰﾑ Ass'y
(716-0732-00)
Variable Resistor
可変抵抗器
(575-2026-00)
Power Amp Assembly(L)
ﾊﾟﾜｰｱﾝﾌﾟ Ass'y (L)
(717-0087-00)
Protection Assembly
ﾌﾟﾛﾃｸｼｮﾝ Ass'y
(720-0075-00)
Power Supply Assembly
電源 Ass'y
(719-0058-00)
Diode /D001
ﾀﾞｲｵｰﾄﾞ
(S15VB20)
Attention mark indicating critical components for safety.
Replacement must be made with identical parts of special part number.
このマークのついている部品は、安全上重要な部品です。
必ず指定されている部品番号の部品を使用して下さい。
Head Phone Assembly
ﾍｯﾄﾞﾎﾝ Ass'y
(716-0733-00)
－３－
Power Amp Assembly(R)
ﾊﾟﾜｰｱﾝﾌﾟ Ass'y (R)
(717-0087-00)
Mother Board Assembly
ﾏｻﾞｰﾎﾞｰﾄﾞ Ass'y
(716-0729-00)
Selector LED Assembly
ｾﾚｸﾀLED Ass'y
(723-0118-00)
In-rush Protector Assembly
ｲﾝﾗｯｼｭ防止 Ass'y
D/U type (716-0728-01/02)
E type (716-0728-03)
Diode
ﾀﾞｲｵｰﾄﾞ
(S10VB20)
VI Assembly (Rch)
(713-0013-00)
VI Assembly (Lch)
(713-0013-00)
IV Assembly
(713-0014-00)
Shield Case
ｼｰﾙﾄﾞ板
(231-0068-03)
Swich Assembly
ｽｲｯﾁAss'y
(716-730-00)
Name Plate
ﾈｰﾑﾌﾟﾚｰﾄ
(180-3058-04)
Receiver Assembly
受光器 Ass'y
(721-0082-00)
Meter Lanp Assembly
ﾒｰﾀﾗﾝﾌﾟAss'y
(723-0117-00)
Thermistrs TH001
ｻｲﾘｽﾀ
(421-0003-00)

Power Push Switch
ﾊﾟﾜｰｽｲｯﾁ
(354-1023-00)
Variable Resistor
可変抵抗器/VR1:10kΩ-A
(575-2026-00)
Volume Assembly
ﾎﾞﾘｭｰﾑ Ass'y
(716-0732-00)
Rotary Switch
ﾛｰﾀﾘｽｲｯﾁ / S1
(339-0002-00)
Input Selector Assembly
ｲﾝﾌﾟｯﾄｾﾚｸﾀ Ass'y
(716-0734-00)
Power Meter
ﾊﾟﾜｰﾒｰﾀ
(178-2041-00)
Pilot LED
ﾊﾟｲﾛｯﾄLED/D1
(SDPW3DG0B0-J)
Receiver Assembly
受光器Ass'y
(721-0082-00)
Selector LED Assembly
ｾﾚｸﾀLED Ass'y
(723-0118-00)
Foot
脚
(238-0023-00)
－４－
Attention mark indicating critical components for safety.
Replacement must be made with identical parts of special part number.
このマークのついている部品は、安全上重要な部品です。
必ず指定されている部品番号の部品を使用して下さい。
Knob Base
台座 /VOLUME
(170-0071-04)
）
mark parts not supplied
Indicator
ｲﾝﾃﾞｨｹｰﾀ
(173-9084-03)
Meter Lamp Assembly
ﾒｰﾀﾗﾝﾌﾟ Ass'y
(723-0117-00)
Pilot Lamp
ﾊﾟｲﾛｯﾄﾗﾝﾌﾟ/PL1,2,3,4
(176-4501-10)
Display Ass'y
ﾃﾞｨｽﾌﾟﾚｲAss'y
(723-0116-00)
Selector LED Assembly
ｾﾚｸﾀLED Ass'y
(723-0118-00)
Knob Base
台座 /INPUT
(170-0070-13)
Push Button/POWER
ﾌﾟｯｼｭﾎﾞﾀﾝ
(388-5062-03)
Push-button Frame
ﾌﾟｯｼｭﾎﾞﾀﾝﾌﾚｰﾑ
(113-0130-04)
Coil Spring
ｺｲﾙｽﾌﾟﾘﾝｸﾞ
(285-1016-04)
Head Phone
Assembly
ﾍｯﾄﾞﾎﾝAss'y
(716-0733-00）
Head phone Jack
ﾍｯﾄﾞﾎﾝｼﾞｬｯｸ
(302-1204-00)
Switch Assembly
ｽｲｯﾁ Ass'y
(716-0730-00)
Push Switch
ﾌﾟｯｼｭｽｲｯﾁ/6pcs.
(354-1111-00)
Front Glass
ﾌﾛﾝﾄｶﾞﾗｽ
(172-0140-03)

MISCELLANEOUS 本体その他使用部品
NO.
Screws for
ﾈｼﾞ類
Accessories
付属品
Description(部品名)
Front Panel / ﾌﾛﾝﾄﾊﾟﾈﾙ用
Binding Screw/ﾊﾞｲﾝﾄﾞﾂﾒﾂｷBﾀｲﾄ
Panel End Cap /ﾊﾟﾈﾙｴﾝﾄﾞｷｬｯﾌﾟ
Pan Head ISO Metric Screw
ﾊﾞｲﾝﾄﾞ平ﾜｯｼｬ付ﾈｼﾞ
Side Panel/ｻｲﾄﾞﾊﾟﾈﾙ用
Oval Head Screw/丸ｻﾗBﾀｲﾄﾈｼﾞ
Binding Screw/ﾊﾞｲﾝﾄﾞﾈｼﾞ
Washer/平ﾜｯｼｬ
Top Plate/ﾄｯﾌﾟﾌﾟﾚｰﾄ用
Round Head Screw
ﾌﾞﾚｻﾞｰﾂﾒﾂｷBﾀｲﾄﾈｼﾞ
Binding Neil Serew
ﾊﾞｲﾝﾄﾞWHﾂﾒﾂｷBﾀｲﾄﾈｼﾞ
Bottom Plate/ﾎﾞﾄﾑﾌﾟﾚｰﾄ用
Binding Noil Screw
ﾊﾞｲﾝﾄﾞWHﾂﾒﾂｷBﾀｲﾄﾈｼﾞ
Foot /脚用
Binding Screw /ﾌﾞﾚｻﾞｰBﾀｲﾄﾈｼﾞ
Power Transformer/電源ﾄﾗﾝｽ
Binding Neil/ ﾊﾞｲﾝﾄﾞﾈｼﾞ
Hexa Nat/六角ﾅｯﾄ
Spring Washer/ｽﾌﾟﾘﾝｸﾞﾜｯｼｬ
Option Panel /ｵﾌﾟｼｮﾝﾊﾟﾈﾙ
Decoration Bolt /飾りﾈｼﾞ
Nylon Washer /ﾅｲﾛﾝﾜｯｼｬ
Owner's Manual (多ヶ国語)
取扱説明書 (日本語)
Caution Notes (多ヶ国語)
注意書 (日本語)
Remote Commander
ﾘﾓｰﾄｺﾏﾝﾀﾞ
Battery / 電池
Power Supply Cord (J type)
電源ｺｰﾄﾞ (U,T type)
(E type)
Pin Jack Cover
ﾋﾟﾝｼﾞｬｯｸｶﾊﾞ
Connector Cover for female
ｺﾈｸﾀｶﾊﾞ(雌ﾀｲﾌﾟ用)
Parts No.(部品No.)
61B-0308-04
631-0044-10
612-0308-00
604-0408-00
637-0042-07
616-0306-02
631-0054-00
631-0054-00
611-0414-02
604-0412-02
633-2041-02
638-0041-02
630-0302-04
637-9045-04
820-3235-00
820-0235-00
821-0011-00
821-0010-00
729-0200-00
569-0006-00
680-1404-00
680-2402-00
680-3402-00
254-2015-04
254-2012-00
Remarks(備考)
3×8mm 4pcs.
3×6mm 4pcs.
3×8mm 4pcs.
4×8mm 4pcs.
4pcs.
3×6mm 6pcs.
3×10mm 2pcs.
3×10mm 11pcs.
4×14mm 4pcs.
4pcs.
4pcs.
4pcs.
4pcs.
4pcs.
Multi-lingual
Japanese
Multi-linual
Japanese
RC-200
R03/UM-4 単4型
2-conductor
3-conductor
3-conductor
20pcs.
4pcs.
NO.
PL1～4
F1
VR1
C1～4
C8～11
Packing
Material
梱包材
Description(部品名)
PC Board for
Balance Inpnt Assembly
VI Assembly
IV Assembly
Mother Board Assembly
In-rush Protector Assembly
Connector Board Assembly
Power Supply Assembly
Power Amp Assembly
Protection Assembly
Logic Assembly
Pilot Lamp/ 4pcs.
ﾊﾟｲﾛｯﾄﾗﾝﾌﾟ
Fuse T10A L AC250V
ﾌｭｰｽﾞ T5A L AC250V
Variable Resistor
可変抵抗器
Electrolytic Capacitor
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ
Outer Carton Box(外ﾀﾞﾝﾎﾞｰﾙ)
Inner Carton Box(内ﾀﾞﾝﾎﾞｰﾙ)
Top Pad
ﾄｯﾌﾟﾊﾟｯﾄ
Bottom Pad
ﾎﾞﾄﾑﾊﾟｯﾄ
Top Board
天地当板
Cover
保護ｶﾊﾞ
Accessories Case
付属品ｹｰｽ
Cover
保護ｶﾊﾞ
Poly Bag
ﾋﾞﾆｰﾙ袋
Cord Cramper
ｺｰﾄﾞｸﾗﾝﾊﾟ
Parts No.(部品No.)
115-1658-00
115-1662-00
115-1663-00
115-1651-00
115-1650-00
115-1664-10
115-1647-00
115-1649-00
115-1648-00
115-1652-00
176-4501-10
310-9907-00
310-1502-00
575-2026-00
CE692WG1H103BAQ
800-0271-04
801-0256-04
803-0389-00
803-0390-00
803-0391-00
803-0392-00
803-0033-14
810-4843-04
801-0250-20
810-4545-04
810-2030-04
810-0930-04
812-2435-04
280-0043-00
Remarks(備考)
PL1～4 :4pcs.
for 100-120V
for 220-240V
Volume Ass'y
10,000uF/50V
Power Supply Ass'y
Front
Rear
Front
Rear
for Cover
for AC Cord
for Remote
for Manual
for AC Cord
-5-
＋
－
Battery R03/UM-4
電池/単四
(569-0006-00)
VOLUME Control
CD BAL
CD
OPTION-1
LINE-1 LINE-2
OPTION-2
TUNER
LINE-BAL
LINE-3
SELECTOR－
PLAY
BACK
NEXT
STOP SELECTOR＋
INPUT SELECTOR INPUT SELECTOR

Balance Input
A
mp
A
ssembly (712-0097-00)
Diode D1～4 MA165
ﾀﾞｲｵｰﾄﾞ
Ceramic Capacitor C1,2,4,5,12～14,16 CC14CH1H101JS 100pF/50V
磁器ｺﾝﾃﾞﾝｻ
Electrolytic Capacitor C3,15 CE04W1E101LXZE 100uF/25V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C8,9 CE04W1E470CZE 22uF /25V
C17,18,19,20 CE04W1C101VRE 100uF/16V
Polyester Capacitor C6,7,10,11 CQ922M1H221K-B 220pF /50V
ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ
Carbon Film Resistor R1,2 RD142CA104J 100kΩ 1/6W
炭素皮膜抵抗器 R3,4 RD142CA222J 2.2kΩ 1/6W
R5,6 RD142EA100JFS 10Ω 1/4W
R7,20～22,25,26 RD142CA203J 20kΩ 1/6W
R9,10,15,17,28,30,34,36 RD142CA221J 220Ω 1/6W
R11～13,16,29,31,32,35 RD142CA511J 510Ω 1/6W
-６-
Pin Jack JK1 302-0412-00
ﾋﾟﾝｼﾞｬｯｸ
XLR(Cannon)Receptacle JK2～5 302-8011-00
ｵｰﾃﾞｨｵｺﾈｸﾀｼﾞｬｯｸ
Connector Ass'y K1 309-2269-04
ｺﾈｸﾀAss'y K2 309-1231-04
K4 309-3460-04
Connectr Plug K3 308-0407-00
ｺﾈｸﾀﾌﾟﾗｸﾞ
Relay RELAY1～4 362-1202-00
ﾘﾚｨ
IC IC1～4 NJM5532D-D
Carbon Film Resistor R1,2,56,57 RD142CA102J 1kΩ 1/6W
炭素皮膜抵抗器 R3,8,62 RD142CA101J 100Ω 1/6W
R5 RD142CA474J 470kΩ1/6W
R7 RD142CA823J 82kΩ 1/6W
R9,52,54,58,64,66,69 RD142CA103J 10kΩ 1/6W
R10 RD142CA203J 20kΩ 1/6W
R11 RD142CA105J 1MΩ 1/6W
R13 RD142CA514J 510kΩ1/6W
R18,19,25,26,32,33,40,41,50 RD142CA104J 100kΩ1/6W
R20,22～24,27,29～31,37,38 RD142CA511J 510Ω 1/6W
R34,36 RD142CA751J 750Ω 1/6W
R39,47 RD142EA100JFS 10Ω 1/4W
R48,49,72,73 RD142CA332J 3.3kΩ1/6W
R51,55,59,63,67,70 RD142CA331J 330Ω 1/6W
R53,60,65,68,71 RD142CA100J 10Ω 1/6W
R61 RD142CA273J 2.7kΩ1/6W
Metal Film Resistor R4 RN142CK1743F 174kΩ 1/6W
金属皮膜抵抗器 R6 RN142CK4022F 40.2kΩ1/6W
R12 RN142CK2553F 255kΩ 1/6W
R14 RN142CK1273F 124kΩ 1/6W
R15 RN142CK6342F 63.4kΩ1/6W
R16 RN142CK1582F 15.8kΩ1/6W
R17 RN142CK3162F 31.6kΩ1/6W
R21 RN142CK8061F 8.6kΩ 1/6W
R28 RN142CK4021F 4.02kΩ1/6W
R35 RN142CK2941F 2.91kΩ1/6W
R42,44 RN142CK7680F 768Ω 1/6W
R43 RN142CK1541F 1.54kΩ1/6W
R45,46 RN142CK4990F 499Ω 1/6W
Connector Jack K1,2 307-1012-00
ｺﾈｸﾀｼﾞｬｯｸ
IC IC1 NJU3716L
IC2,3,4,5,8 NJU7301D
IC6,7,9,10 OPA2228PA
IC11,12,13 NJM5532D-D
IC14 NJM2119D
Diode D1,2,3,4 MA165
ﾀﾞｲｵｰﾄﾞ
FET Q1,2,3,4 2SK2541
Ceramic Capacitor C1,2 CC14CH1H221JS 220pF/50V
磁器ｺﾝﾃﾞﾝｻ C3 CC14CH1H151JS 151pF/50V
C4～8,11,13,15,17 CK92Y5V1H104Z 0.1uF/50V
Electrolytic C12,14,16,18,23,26 CE04W1C220VRE 22uF /16V
Capacitor C19,20 CE04W1E470CZE 47uF /25V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C21,28,29 CE04W1H2R2VK 2.2uF/50V
C22 CE04W1V100VRE 10uF /35V
C24,25 CE04W1E220AVH 220uF/25V
Polyester Capacitor C9,10 CF922MF2E104KDAZ 0.1pF/250V
ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ
Polypropylen Capacitor C27 CQ93PP2A102JM-F 1,000pF/100V
ﾎﾟﾘﾌﾟﾛﾋﾟﾚﾝｺﾝﾃﾞﾝｻ
VI Assembly (713-0013-00)
RELAY1
RELAY4
JK5
K4
IC3
IC4
IC2
K1
K2
K3
JK4
JK3
JK2
JK1
Q4
C9
Q3
Q2
IC2
IC1 IC3
K1
C10
Q1
IC4
IC5
IC6 IC7
K2 IC8
IC10IC9
IC11
IC12
IC13
IC14
RELAY2 RELAY3
IC1

I
V
A
ssembly (713-0014-00)
IV Ass'y
-７-
Connector Plug K5 308-0432-00
ｺﾈｸﾀﾌﾟﾗｸﾞ K6 308-0433-00
Fuse Holder FH1,2 306-2001-00
ﾌｭｰｽﾞﾎﾙﾀﾞ
Tabu Terminal K7,8,9 314-0536-00
ﾀﾌﾞ端子
Relay RELAY1 362-4102-00
ﾘﾚｨ
Diode D1 S1ZB20
ﾀﾞｲｵｰﾄﾞ
Electorlytic Capacitor C2 CE04W1H330VK 33uF / 50V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ
Metallized Film Capacitor C1 CF99MF2E473MR46 0.047uF/250V
MPｺﾝﾃﾞﾝｻ
Fuse Resistor R1 RF142EA47J 4.7Ω 1/4W
ﾌｭｰｽﾞ抵抗 R6,7 RF993HG2R2J 2.2Ω
Metal Plate Resistor R2,3,4,5 RW994AJ3R3J-S 3.3Ω 1/6W
金属板抵抗器
In-rush Protector Assembly D type (716-0728-01)
Ass'y U/T type (716-0728-02)
E type (716-0728-03)
Connector Jack K1,2 307-2007-00
ｺﾈｸﾀｼﾞｬｯｸ
Relay RELAY1～6 362-1212-00
ﾘﾚｨ
Diode D1～12 MA165
ﾀﾞｲｵｰﾄﾞ
Transistor Q2,7 2SC2547-D/E
ﾄﾗﾝｼﾞｽﾀ Q4,9 2SA1085-D/E
FET Q1,3,6,8 2SK330-Y
Q5,10 2SK2541
IC IC1,3,4,6 NJM4580D-D
IC2,5 DG441CJ
Electorlytic Capacitor C1,9,25,32 CE04W1A221VK 220uF/100V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C2,26 CE04W1E100VRE 10uF / 25V
C3,5,10,27,29,34 CE04W1A471VK 470uF/100V
C4,7,28,31 CE04W1E220AVH 22uF / 25V
C6,30 CE04W1H4R7VK 4.7uF /50V
C11,15,23,24,35,36,45,46 CE04W1C220VRE 22uF / 16V
C17,41 CE04W1C101KW 100uF /16V
C18,19,42,43 CE04W1E390LXVE 39uF / 25V
Polyester Capacitor C8,33 CQ922M1H473J-B 0.047pF/50V
ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ C13,14,38,39 CQ922M1H101K-B 100pF /50V
C22,48 CQ922M1H223J-B 0.022pF/50V
Ceramic Capacitor C20,44 CC14CH1H120JS 12pF / 50V
磁器ｺﾝﾃﾞﾝｻ C21,47 CC14CH1H101JS 100pF / 50V
R1,7,10,15,16,35,41,44,49,50 RD142CA102J 1kΩ 1/6W
R2,9,36,43 RD142CA681J 680Ω 1/6W
R5,39 RD142CA471J 470Ω 1/6W
Carbon Film Resistor R6,40 RD142CA271J 270Ω 1/6W
炭素皮膜抵抗器 R8,42 RD142CA431J 430Ω 1/6W
R14,48 RD142CA152J 1.5kΩ 1/6W
R17,51 RD142CA301J 300Ω 1/6W
R18,27,52,61 RD142EA100JFS 10Ω 1/4W
R19,53 RD142CA470J 47Ω 1/6W
R20,21,54,55 RD142CA101J 100Ω 1/6W
R24,25,58,59 RD142CA4R7J 4.7Ω 1/6W
R26,29,30,32,34,60,63,64,66,68 RD142CA103J 10kΩ 1/6W
R28,62 RD142HA120JFS 12Ω 1/4W
R31,33,65,67 RD142CA472J 4.7Ω 1/6W
Metal Film Resistor R3,4,11,12,37 RN142CK1331F 1.33kΩ 1/6W
金属皮膜抵抗器 38,45,46
R13,47 RN142CK6040F 604Ω 1/6W
R22,23,56,57 RN142CK4121F 4.12kΩ 1/6W
RE1LA2
RELAY1
IC1
K2
K1 IC2
RELAY6
RELAY5
RELAY4
RELAY3
RELAY2
IC3 IC4
Q5
Q10
Q8
Q9
Q7
IC5
IC6
IC3
Q6
Q2 Q3
Q4
Q1
K2 K4 D1
RELAY1
K1 K3 K5
K6
C1 FH1 FH2
K9
K8
K7 R2
R3
R5
R6
R7
R4
R1
Connector/ｺﾈｸﾀ Jumper/ｼﾞｬﾝﾊﾟｰ
K1,2 K3,4 K5,6 J1 J3 J4 J5
716-0728-01 100V (D)
716-0728-02 120V (U)
716-0728-03 220-240V(E)
J1 J5
J4
J3
Ass'y No. Voltage

-８-
Mother Bord
A
ssembly (716-0729-00)
Ass'y
RELAY1
Heat Sink 240-0088-04
ﾋｰﾄｼﾝｸ
Connector Jack K7 307-2501-00
ｺﾈｸﾀｼﾞｬｯｸ
Connector Plag K2,16 308-0206-00
ｺﾈｸﾀﾌﾟﾗｸﾞ K3 308-0610-00
K4 308-1206-00
K5,6 308-2006-00
K9,10,11,12 308-1026-00
K13 308-0805-00
K15 308-1010-00
Connector Ass'y K1 309-2673-04
ｺﾈｸﾀAss'y K8 309-1232-04
K14 309-3461-04
K17,18 309-1075-04
Diode D1,2,4,5 11EQS10
ﾀﾞｲｵｰﾄﾞ D3 D2SBA60
D7,8,9,10,11 MA165
Zener Diode D6 HZ153L
ﾂｪﾅｰﾀﾞｲｵｰﾄﾞ
Transistor Q1 2SC4685
ﾄﾗﾝｼﾞｽﾀ
Digital Transistor X1 RN2204
ﾃﾞｼﾞﾀﾙﾄﾗﾝｼﾞｽﾀ
IC IC1,4 UPC24M05AHF
IC2 NJM79M15FA
IC3 NJM78M15FA
IC5,6,7 TD62C851P
IC8 TC74HC14P
IC9 TC74HC132AP
IC Protector F1,3 310-8152-00
ICﾌﾟﾛﾃｸﾀ F2,4 310-8202-00
Reray RELAY1 362-1212-00
ﾘﾚｨ
Electorlytic Capacitor C1,3 CE04W1A472VK 4700uF/10V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C2 CE04W1E472VK 4700uF/25V
C4,5 CE04W1E222KMG 2200uF/25V
C6 CE04W1V470VK 47uF / 35V
C7 CE04W1C471VK 470uF /16V
C12,13 CE04W1C221CAE 220uF /16V
C14 CE04W1E101VK 100uF /25V
C15 CE04W1C220VRE 22uF / 16V
Ceramic Capacitor C8～11,16～20 CK92Y5V1H104Z 0.1uF/50V
磁器ｺﾝﾃﾞﾝｻ C21,22 CC14CH1H221JS 220pF/50V
Carbon Film Resistor R1 RD142CA332J 3.3kΩ 1/6W
炭素皮膜抵抗器 R2 RD142CA101J 100Ω 1/6W
R3,4 RD142EA303JFS 30kΩ 1/4W
R5 RD142CA472J 4.7kΩ 1/6W
R6 RD142CA102J 1kΩ 1/6W
R7～10 RD142CA103J 10kΩ 1/6W
K2
K3
Q1
K1
K4
K15
K12
K18
K13
K7
K5
K16
K17
K9
IC8
IC9
IC IC6
X1
F3
F1
F2
F4
K6
IC3
IC2IC1
D3 IC4
K10
K11
K8
K14
IC7
IC5

PC Board 115-1653-00
PC ﾎﾞｰﾄﾞ 115-1667-00
Flat Cable Holder K2,3 280-9006-00
ﾌﾗｯﾄｹｰﾌﾞﾙﾎﾙﾀﾞ
Connector Jack K1 307-1306-00
ｺﾈｸﾀｼﾞｬｯｸ
Connector Plug K4 308-1010-00
ｺﾈｸﾀﾌﾟﾗｸﾞ
Connector Ass'y K5 309-2273-04
ｺﾈｸﾀAss'y
Variable Resistor VR1,2 575-2406-10
可変抵抗器 VR3 575-2313-00
-９-
S
w
itch
A
ssembly (716-0730-00)
ｽｲｯﾁ Ass'y
IO Relay Assembly (716-0731-00)
IOﾘﾚｨ Ass'y
Pin Jack JK1,2,3,4 302-0411-00
ﾋﾟﾝｼﾞｬｯｸ
Connector Plug K1,4 308-0407-00
ｺﾈｸﾀﾌﾟﾗｸﾞ K2 308-1206-00
K3 308-0417-00
Relay RELAY1～11 362-1212-00
ﾘﾚｨ
Terminal TM1～6 314-0539-04
端子
Rotary Switch S1,3 336-4817-00
ﾛｰﾀﾘｰｽｲｯﾁ S2 336-3903-00
Push Switch S4,5,6,7,8,9 354-1111-00
ﾌﾟｯｼｭｽｲｯﾁ
FET Q1,2 2SK2541
Carbon Film Resistor R1,3 RD142CA103J 10kΩ 1/6W
炭素皮膜抵抗器 R2 RD142CA473J 47kΩ 1/6W
VR1
VR2VR3 S1s S2
S3
K1
K4 K2
K3
K5
S5 S7
S4
S9
S6 S8
Q2
Q1
Polyester Capacitor C1 CF922MF2E473KDAZ 0.047uF/250V
ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ
Diode D1～11 MA165
ﾀﾞｲｵｰﾄﾞ
Carbon Film Resistor R1～10 RD142CA101J 100Ω 1/4W
炭素皮膜抵抗器
K1
K3
K4
K2
JK1 JK2 JK3 JK4
RELAY2 RELAY4
RELAY5
RELAY8 RELAY10
RELAY1
RELAY7
RELAY6
RELAY9
RELAY3
RELAY11
PC Board 115-1653-00
PCﾎﾞｰﾄﾞ
PC Board 115-1667-00
PCﾎﾞｰﾄﾞ

Head Phone Assembly (716-0733-00)
Ass'y
-10-
Connector Jack K2,3 307-3204-00
ｺﾈｸﾀｼﾞｬｯｸ
Connector Plug K1 308-1402-00
ｺﾈｸﾀﾌﾟﾗｸﾞ
Relay RELAY1,2 362-1202-00
ﾘﾚｨ
Digitl Transistor X1,2 RN1204
ﾃﾞｼﾞﾀﾙﾄﾗﾝｼﾞｽﾀ
Zener Diode D1,6 RD5.1EB1
ﾂｪﾅｰﾀﾞｲｵｰﾄﾞ
Diode D2,3,4,7 MA165
ﾀﾞｲｵｰﾄﾞ D5 11EQS10
Carbon Film Resistor R1,2 RD142EA104J 100kΩ 1/6W
炭素皮膜抵抗器 R3,4,5,6 RD142EA100JF 10Ω 1/4W
Connector Board Assembly (716-0735-00)
Ass'y
Volume Assembly (716-0732-00)
ﾎﾞﾘｭｰﾑ Ass'y
K1
PC Board 115-1659-00
PCﾎﾞｰﾄﾞ
Connector Plug K1 308-0508-00
ｺﾈｸﾀﾌﾟﾗｸﾞ
Variable Resistor VR1 575-2026-00
可変抵抗器
VR1
PC Board 115-1660-00
PCﾎﾞｰﾄﾞ
Head Phone Jack JK1 302-1204-00
ﾍｯﾄﾞﾎﾝｼﾞｬｯｸ
Connector Plug K1 308-0206-00
ｺﾈｸﾀﾌﾟﾗｸﾞ K2 308-0311-00
Push Switch S1 354-1118-00
ﾌﾟｯｼｭｽｲｯﾁ
K1
K2
S1
JK1
Input Selector Assembly (716-0734-00)
Ass'y
PC Board 115-1661-00
PC ﾎﾞｰﾄﾞ
Flat Cabley Holder K1 280-9004-00
ﾌﾗｯﾄｹｰﾌﾞﾙﾎﾙﾀﾞ
Rotary Switch S1 339-0002-00
ﾛｰﾀﾘｰｽｲｯﾁ
K1
S1
X1
X2
RELAY1
K1
K2
RELAY2
K3
D5
D1
D6
D2
D3
D4
D7

-11-
VR1
Test Point
Q23,24
Q25
Q6
Q1
Q5
K1 K3
Q4
Q26
K2
IC1I
PC Board 115-1649-00
PCﾎﾞｰﾄﾞ
Heat Sink 240-0089-03
ﾋｰﾄｼﾝｸ
Transistor Insulator 250-1188-04
絶縁ｽﾍﾟｰｻ
Connector Plug K1 308-0210-00
ｺﾈｸﾀﾌﾟﾗｸﾞ K2 308-0206-00
K3 308-0410-00
TP1 308-0221-00
Terminal 314-0514-04
端子
Potentiometer VR1 ;220Ω 583-0226-00
半固定抵抗器
IC IC1 UPC4570C
Zener Diode D1,21 HZ6A1L
ﾂｪﾅｰﾀﾞｲｵｰﾄﾞ D8,13 HZ153L
D14,15 HZ9A2L
Diode D3,9,11,19 MA165
ﾀﾞｲｵｰﾄﾞ D4,18 MA167
D10 LN1VB60
Q1 2SA1837
Q2 2SC4685
Q3 2SC3902-S/T
Q7,10,15,19,23 2SA1376-K/U
Transistor Q8,9,21,22 2SC2705-Y
ﾄﾗﾝｼﾞｽﾀ Q11,14,18,20,24 2SC3478-K/U
Q12,13,16,17 2SA1145-Y
Q28 2SC4793
Q29 2SA1507-S/T
FET Q4,5,6 2SJ618
Q25,26,27 2SK3497
Electorlytic C1,8,22,27 CE04W1H471KW 470uF /50V
Capacitor C4,9,20,23 CE04W1J471VRE 470uF /63V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C11,18 CE04W1H471R20E 470uF /50V
C12,16 CE04W1E101LXZE 100uF /25V
C15 CE04W1E100ROA 10uF / 25V
C17,19 CE04W1C100VPE 10uF / 16V
Polyester Film C5,26 CF922MF2E473KDAZ 0.047pF/250V
Capacitor C7,10,21,25 CF922MF2E472KDAZ 4,700pF/250V
ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ
Polypropylene C2,29 CQ93PP2A471JM-F 470pF / 100V
Capacitor C6,24 CQ922NG2A562JAPSF 1,500pF/100V
ﾎﾟﾘﾌﾟﾛﾋﾟﾚﾝｺﾝﾃﾞﾝｻ C14 CQ921PG2A152JDTNF 1,500pF/100V
R1,2,3,16,25,47 RD142EA102J 1kΩ 1/4W
56,61,67,68
R4,5,6,63,65,69 RD142EA331J 330Ω 1/4W
R10 RD142EA6R8JF 6.8Ω 1/4W
R11 RD142EA202JFS 2kΩ 1/4W
R12 RD142EA271JFS 270Ω 1/4W
Carbon Film Resistor R15,29,45,60 RD142EA242J 2.4kΩ 1/4W
炭素皮膜抵抗器 R17,26,48,57 RD142EA562J 5.6kΩ 1/4W
R18,53 RD142EA161J 160Ω 1/4W
R19～21,27,49 RD142EA220J 22Ω 1/4W
51,54,55
R22,30,46,52 RD142EA153J 15kΩ 1/4W
R32,43 RD142EA101J 100Ω 1/4W
R33 RD142EA393J 39kΩ 1/4W
R34,37,41 RD142EA753J 75kΩ 1/4W
R35 RD142EA471J 470Ω 1/4W
R70 RD142HA563JFS 56kΩ 1/4W
Metal Film Resistor R38,40 RN142HK3831FF 3.83kΩ1/4W
金属皮膜抵抗器 R39 RN142HK86R6FF 86.6Ω 2W
R42 RN142HK7680FF 768Ω 1/4W
Oxide Metal Film R13,58 RS143DA330JS-P 33Ω 2W
Resistor R23 RS143DA161JS-P 160Ω 2W
金属酸化物皮膜抵抗器 R24,50 RS143AA332JS-P 3.3kΩ 1W
Fuse Resistor R14,28,44,59 RF142EA101G-P 100Ω 1/4W
ﾌｭｰｽﾞ抵抗器 R31,36 RF142EAR47J 0.47Ω 1/4W
Metal Plate Resistor R7～9,62,64,66 RW993DJR22K-H 0.22Ω 2W
金属板抵抗器
Q2
C4 C23
Q28
Q29
Q3
Q27
C27
C1
Q7
D10
R7
R66
R62
R64
Po
w
er
A
mp
A
ssembly (717-0087-00)
Ass'y
(T.P.1)
Q20
R8
R9
Q8
Q9
Q13
Q12
Q21 Q22
Q18,19
Q10,11
Q14,15
Q17
Q16
C11 C18

-12-
Po
w
er Sapply
A
ssembly (719-0058-00)
Ass'y
Connector Plug K1 308-0308-00
ｺﾈｸﾀﾌﾟﾗｸﾞ K2 308-0608-00
K3 308-0411-00
K4 308-0321-00
Electorlytic Capacitor C1～4,8～11 CE692WG1H103BAQ 10000uF/50V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ
K1
C4
C2
C3
C1
Polyester Film Capacitor C5,7 CF922MF2E103KDAZ 0.01uF/250V
ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ C6 CF922MF2E104KDAZ 0.1uF /250V
Silicon Diode D1 S10VB20
ｼﾘｺﾝﾀﾞｲｵｰﾄﾞ
Protection Assembly (720-0075-00)
ﾌﾟﾛﾃｸｼｮﾝ Ass'y
Connector Plug K1 308-0212-00
ｺﾈｸﾀﾌﾟﾗｸﾞ K2 308-0214-00
K3 308-0408-00
K4 308-0606-00
K5 308-0206-00
K6 308-0239-00
Relay RELAY1,2 362-2230-00
ﾘﾚｨ
Choke Coil L1,2 506-0008-00
ﾁｮ-ｸｺｲﾙ
Potentiometer VR1,3 583-0154-00
半固定抵抗器 VR2,4 583-0524-00
Diode D1,2 MA165
ﾀﾞｲｵｰﾄﾞ D3 MA167
IC IC1 TA7318P-2
IC2 UPC1237HA
Transistor Q1,2 2SC2458-GR
ﾄﾗﾝｼﾞｽﾀ
Digital Transistor X1,2 RN2203
ﾃﾞｼﾞﾀﾙﾄﾗﾝｼﾞｽﾀ X3 RN1202
Electorlytic Capacitor C4 CE04W1C220VRE 22uF /16V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C5 CE04W1V4R7VRE 4.7uF /35V
C7 CE04W1A221VK 100uF /6.3V
Polypropylen Capacitor C1,2 CQ922N2A223JAPHF 0.022uF/100V
ﾎﾟﾘﾌﾟﾛﾋﾟﾚﾝｺﾝﾃﾞﾝｻ
Polyester Film Capacitor C3,8 CF922N1H334J 0.3uF / 50V
積層､ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ C6 CQ922M1H223J-B 0.22uF /50V
Ceramic Capacitor C9 CK14B1H102KS 1000uF /50V
磁器ｺﾝﾃﾞﾝｻ
R7,8 RD142EA363J 36kΩ 1/4W
R10,15 RD142EA242J 2.4kΩ 1/4W
R11,17 RD142EA473J 47kΩ 1/4W
Carbon Film Resistor R12 RD142EA753J 75kΩ 1/4W
炭素被膜抵抗器 R13,16 RD142EA475J 4.7MΩ 1/4W
R14,18 RD142EA301J 300Ω 1/4W
R19,21 RD142EA104J 100kΩ 1/4W
R20 RD142EA123J 12kΩ 1/4W
R23 RD142EA223J 22kΩ 1/4W
R24 RD142EA273J 27kΩ 1/4W
Oxide Metal Film R1,2,5,6 RS143DA100JS-P 10Ω 2W
Resistor R3,4 RS143DA271JS-P 270Ω 2W
金属酸化物被膜抵抗器 R9,22 RS143DA182JS-P 1.8kΩ 2W
K3 C9
D1
K2 C8 K4
C10
C11
K1
K3
P4
K5
K4
K6
P3
P6
P1
P5
P2
RELAY1
RELAY2
X1
X2
X3
Q1
Q2
IC1
IC2
K2
VR1
VR2
VR3
VR4

-13-
Logic
A
ssembly (721-0081-00)
Ass'y
K1
Q1
Transistor Q1 2SA1048-GR
ﾄﾗﾝｼﾞｽﾀ
FET Q2,5,6,9 2SK2541
Q3,4,7,8 2SK330-Y
Electorlytic Capacitor C2 CE04W1H010VK 1uF /25V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C5 CE04W1C471VK 470uF/50V
C9,10,11,12 CE04W1C220VRE 22uF /50V
Ceramic Capacitor C1,3,4,6,7,8 CK92Y5V1H104Z 0.1uF/50V
磁器ｺﾝﾃﾞﾝｻ
R1 RD142CA123J 12kΩ 1/4W
R2,6,9,18 RD142CA103J 10kΩ 1/4W
R3 RD142CA105J 1MΩ 1/6W
Carbon Film Resistor R4 RD142CA104J 100kΩ1/6W
炭素被膜抵抗器 R5,11,14,20 RD142CA100J 10Ω 1/6W
R7,13,16,21 RD142CA303J 30kΩ 1/6W
R8,10,17,19 RD142CA153J 15k 1/6W
R12,15 RD142CA220J 22Ω 1/6W
Resistor Array RA1 RD92AK11C104J18
抵抗ｱﾚｨ RA2 RD92AK04C104J18
RA3 RD92AK13C104J18
RA4 RD92AK05C104J18
RA5 RD92AK05C103J18
IC Soket 300-1101-00
ICｿｹｯﾄ
Connector Jack K1 307-0410-00
ｺﾈｸﾀｼﾞｬｯｸ K2 307-0912-00
K3 307-1305-00
Connector Plug K4 308-2501-00
ｺﾈｸﾀﾌﾟﾗｸﾞ
Crystal XTAL1 527-0025-00
ｾﾗﾛｯｸ
Diode D1,2,3,4,5 MA165
ﾀﾞｲｵｰﾄﾞ
IC1 TMC87PH40AN
IC2 TC74HC14AP
IC IC3 M93C46-WBN6P
IC4 LB1642
IC5 TC74HCU04AP
IC6,8 TC74HC00AP
IC7,9 NJM2903D
Digital Transistor X1 RN2202
ﾃﾞｼﾞﾀﾙﾄﾗﾝｼﾞｽﾀ
K2 K3
K4
IC1
IC2
IC3 IC5
IC7
IC9
Q5
Q6
Q2
X1
IC4 IC6 IC8
Q3
Q4 Q9
Q8 Q7
Receiver Assembly (721-0082-00)
受光器 Ass'y
PC Board 115-1655-00
PC ﾎﾞｰﾄﾞ
Light Holder 234-1114-03
ﾗｲﾄﾎﾙﾀﾞ
LED Spacer 250-0061-00
LED ｽﾍﾟｰｻ
Connector Plug K1 308-0407-00
ｺﾈｸﾀﾌﾟﾗｸﾞ
Infrared Ray Senser IC1 NJL62H380A
赤外線ﾚｼｰﾊﾞ
LED D1 SDPW3DGOB0-J
Transistor Q1 2SC2458-GR
ﾄﾗﾝｼﾞｽﾀ
Electorlytic Capacitor C1 CE04W0J470MA 47uF / 6.3V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ
Carbon Film Resistor R1 RD142CA620J 62Ω 1/6W
炭素被膜抵抗器 R2 RD142CA470J 47Ω 1/6W
R3 RD142CA102J 1kΩ 1/6W
R4 RD142CA182J 1.8kΩ 1/6W
Q1
D1
C1
IC1
K1
Light Holder
ﾗｲﾄﾎﾙﾀﾞ
234-1114-03

-14-
Display
A
ssembly (723-0116-00)
ﾃﾞｨｽﾌﾟﾚｲ Ass'y
K1
D1
Metar Lamp Assembly (723-0117-00)
ﾒｰﾀﾗﾝﾌﾟ Ass'y
Selector LED Assembly (723-0118-00)
ｾﾚｸﾀ LED Ass'y
PC Board 115-1654-00
PCﾎﾞｰﾄﾞ
Connector Plug K1 308-0905-00
ｺﾈｸﾀﾌﾟﾗｸﾞ
LED D1～8 BR1111R-B/C/D/E
D2 D3 D4 D5 D6 D7 D8
Pilot Lamp PL1～4 176-4501-10
ﾊﾟｲﾛｯﾄﾗﾝﾌﾟ
Connector Plgu K1 308-0609-00
ｺﾈｸﾀﾌﾟﾗｸﾞ
Flat Cable Holder K2 280-9009-00
ﾌﾗｯﾄｹｰﾌﾞﾙﾎﾙﾀﾞ
Connector Ass'y K3 309-0962-04
ｺﾈｸﾀAss'y K4 309-3462-04
Digital Transistor X1,2 RN1204
ﾃﾞｼﾞﾀﾙﾄﾗﾝｼﾞｽﾀ X3,4 RN2226
IC IC1 NJU3715L
FET Q1,2 2SK2541
Electorlytic Capactor C4 CE04W1V470VK 47uF /35V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ
Ceramic Capacitor C1 CK92Y5V1H104Z 0.1uF/50V
磁器ｺﾝﾃﾞﾝｻ C2,3 CC14CH1H221JS 220pF/50V
Carbon Film Resistor R1～10 RD142CA102J 1kΩ 1/6W
炭素皮膜抵抗器
Metal Film Resistor R11,12 RN142EL1R00F 1Ω 1/4W
金属皮膜抵抗器
K2
K1
K4
K3
IC1
X1
X2
Q1 Q2
X3 X4
PL3 PL4 PL2
PL1
PC Board 115-1655-00
PCﾎﾞｰﾄﾞ
Connector Ass'y K1 309-2671-04
ｺﾈｸﾀAss'y
LED D1～8 BR1111R-B/C/D/E
Carbon Film Resistor R1～4 RD142CA561J 560Ω 1/6W
金属皮膜抵抗器
D1
D2
D3
D4 D5 D7
D8
D6
K1

Service Information Accuphase Laboratory Inc.
Issued 2005-12-09
MODEL : E-550
機種
SUBJECT ；An input change cannot be made in a LINE BAL
position.
項目 ：LINE BAL位置にて入力切替出来ず
Details ; Balance Input Amp Ass'y; since the through hole of a connector K2/4 pin is poor,
it connects by a jumper wire.
詳 細; ﾊﾞﾗﾝｽ入力ｱﾝﾌﾟAss'y;ｺﾈｸﾀK2/4番ﾋﾟﾝのｽﾙｰﾎｰﾙ不良の為､ｼﾞｬﾝﾊﾟｰ線で対策 し ます 。
An applicable serial number as follows, D:L5Y001～080,E:L5Y081～099,U:L5Y100
該当ｼﾘｱﾙ番号 D:L5Y001～080,E:L5Y081～099,U:L5Y100
Jumper Wire 20mm 1pce.
ｼﾞｬﾝﾊﾟｰ線
No.E-550-001
BALANCE INPUT AMP ASS'Y(712-0097-00)
ﾊﾞﾗﾝｽ入力ｱﾝﾌﾟAss'y
K2 K2
Add the jumper to between the K2 connector
of 4-pin and D1 cathode side.
K2ｺﾈｸﾀ4番ﾋﾟﾝとD1ﾀﾞｲｵｰﾄﾞｶｿｰﾄﾞ側にｼﾞｬﾝﾊﾟｰ線追加
IO RELAY ASS'Y(716-0731-00)
IO ﾘﾚｨ Ass'y
Parts side
部品面
Pattern side
ﾊﾟﾀｰﾝ面
Jumper Wire/ｼﾞｬﾝﾊﾟｰ線
IO RELAY ASS'Y (716-0731-00)
I/O ﾘﾚｨ Ass'y
①
Remove the IO Relay Ass'y from Top side.
IO ﾘﾚｨ Ass'yを上面から外します。
②
Next, Balance Input Amp Ass'y is removed.
See the Fig.2
次にBAL Input Amp Ass'yを外します｡
図２参照
③
A jumper wire is wired as shown in Fig.3
in the pattern of Balance Input Ass'y.
ﾊﾞﾗﾝｽｲﾝﾌﾟｯﾄAss'yのﾊﾟﾀｰﾝ面で図3に示す様に
ｼﾞｬﾝﾊﾟｰ線を配線する｡
-15-

Mother Board Assembly
ﾏｻﾞｰﾎﾞｰﾄﾞ Ass'y
(716-0729-00)
VI Assembly (Rch)
(713-0013-00)
VI Assembly (Lch)
(713-0013-00)
IV Assembly
(713-0014-00)
Shield Cover
ｼｰﾙﾄﾞｶﾊﾞｰ
(231-0068-03)
Service Information No. E550-002
Accuphase Laboratory Inc.
Issued2006-2-2
MODEL : E-550
機種
SUBJECT : Right-and-left of VI Ass'y Attachment position.
項目 ：VI Ass'y の左右逆 取付位置
Details ; Keep attention that the position of VI Assembly serves as a
right-and-left contrary in this unit.
詳細
;本機においてはVI Ass'y の位置が左右逆となりますので注意して
下さい。
-16-

TOP VIEW (上面)
Mother Board Assembly
ﾏｻﾞｰﾎﾞｰﾄﾞ Ass'y
(716-0729-00)
VI Assembly (Rch)
(713-0013-00)
VI Assembly (Lch)
(713-0013-00)
IV Assembly
(713-0014-00)
Service Information No. E550-003
Accuphase Laboratory Inc.
Issued 2006- 3-25
MODEL : E-550
SUBJECT : The measure against a noise in a volume
specification position.
項目 ： ボリューム特定位置でのノイズ対策
Details ; The noise by IC fault may be produced in the specific position of
main volume. IC of VI Assembly shown in the figure is exchanged.
See Fig. 2 & 3.
詳細
;ﾒｲﾝﾎﾞﾘｭｰﾑの特定位置で下記ｼﾘｱﾙのﾛｯﾄでは､IC不具合によるﾉｲｽﾞを生じる
場合があります。VI Ass'y の図に示すICを交換します。（図2 ､3 参照）
Fig.1
Fig.2 VI Assembly(713-0013-00) Fig.3
PreparationParts / 準備部品
(1) IC OPA2228P 8pcs.
for IC6,7,9,10
(2) Cool Sheet 240-3001-04 4pcs.
放熱ｼｰﾄ
This measure performs both channels.
この対策は両チ ャ ンネル行います 。
4 figures of
ends show the
lot of IC.
末尾４桁は､IC
のﾛｯﾄを示す｡
As for 4 figures of ends,"FJ87" has
the possibility of a noise.
It exchanges for IC of a different lot.
末尾４桁が"FJ87"は､他のﾛｯﾄ
のICに交換します｡
OPA2228P
4AAFJ87
IC10IC7
IC9IC6 STEP ①
STEP ②
Fig.4
A Cool sheet is stuck on IC6 and 7
and IC9 and 10.
IC6,7 とIC9,10に放熱ｼｰﾄを貼り付けます｡
Cool Sheet /放熱ｼｰﾄ
(240-3001-04)
An applicable serial number ； L5Y001～200
該当ｼﾘｱﾙ番号
The expanded figur of IC
IC拡大図
-17-

-1
8
-
Notes. ※1. Internal input resistance of volt-ohm meter should be higher than 10k-ohms.
テスターは、入力抵抗 10kΩ以上のものをお使い下さい。
※2. Adjustments should be made in case of the PC Board or Transistors being changed.
調整は PCボードあるいはトランジスタを交換した場合に行って下さい。
※3. Afer feeding 1～10watts output for about 15 minutes,check bias adjustments again.
出力1～10ﾜｯﾄ前後で通電動作させた後、ﾊﾞｲｱｽ電流を再ﾁｪｯｸする。
STEP
ｽﾃｯﾌﾟ
ADJUST ITEM
調整項目 TEST EQ'PT
検出器
ADJUST
調整箇所
REMARKS
調整・備考
CONNECTING POINT
接続点
PROCEDURE
電圧検出
Bias Current of
L ch.Power Amp
Lch. ﾊﾞｲｱｽ電流ｽ
V.O. Meter set range
to less than DC 0.3V
テスター
DC 0.3V以下のﾚﾝｼﾞ
Power Amp Assembly
ﾊﾟﾜｰｱﾝﾌﾟ Ass'y
(717-0087-00)
Test Point Pin and
ﾃｽﾄﾎﾟｲﾝﾄ ,
VR1
for Lch. Adjust for "60mV"
reading of V.O. meter
ﾃｽﾀｰの指示"60mV"に
調整する
Bias Current of
R ch.Power Amp
Rch. ﾊﾞｲｱｽ電流
VR1
for Rch.
１
２
Power Amp Assembly
ﾊﾟﾜｰｱﾝﾌﾟ Ass'y
(717-0087-00)
Bias Current
ﾊﾞｲｱｽ電流
Test Point
ﾃｽﾄﾎﾟｲﾝﾄ Power Amp Assembly
ﾊﾟﾜｰｱﾝﾌﾟ Ass'y
(717-0087-00)
Bias Current
ﾊﾞｲｱｽ電流
Test Point
ﾃｽﾄﾎﾟｲﾝﾄ
Protection Assembly
ﾌﾟﾛﾃｸｼｮﾝ Ass'y
(720-0075-00)
１
２
Peak 0dB Calibration
for Lch.
Lch.0dB 較正
Peak 0dB Calibration
for Rch.
Rch.0dB 較正
VTVM
Input:1kHz Sine Wave
入力 :1kHz正弦波
Load :None
無負荷
Speaker Terminal
出力端子
VR1
VR2
Adjust input signal so that
VTVM reads 15.5V.Then adjust
VR1 and VR2 so that Meter
reads 0dB.
VTVMの指示が15.5Vになる入力
信号を入れ、ﾒｰﾀの指示が0dBと
なるようにVR1,2を調整
/0dB for Lch.
/-30dB for Lch. /-30dB for Rch.
/0dB for Rch.
３
４
－30dB Calibration
for Lch.
Lch.-30dB 較正
－30dB Calibration
for Rch.
Rch.-30dB 較正
VR3
VR4
Adjust input signal so that
VTVM reads "－30dB,and set
VR3 and VR4 to Meter
indication.
VTVMの指示が"－30dB"となる
入力信号にし、ﾒｰﾀの指示が
－30dBとなるようにVR3,4を
調整

The unit can be used with differnt voltage of 100V,120V,230V.
(Use the Japanese domestic model at 100V only, and never change the voltage in Japan.)
Refer the photo and illustration for the wiring on the junction terminal as shown below,
and have to select the correct fuse and power supply cord.
電源電圧は 、 100V､120V､230V に対応で き ま すが以下はそ の方法を 示 し ま す 。
（ 日本国内は100V仕様ですので 、 こ の電圧以外の変更は出来ません ）
電源電圧の変更をす る場合は 、 フ ュ ーズ 、 電源コ ー ド は以下の指定 さ れた コ ー ド を使用 し ます 。
Attention mark indicating critical components for safety.
Replacement must be made with identical parts of special part number.
このマークのついている部品は、安全上重要な部品です。
必ず指定されている部品番号の部品を使用して下さい。
Photo is shown
Japanese model
wiring.
写真は日本国内
ﾓﾃﾞﾙの配線を示す
① Remove the Bottom Plate.
本体のﾎﾞﾄﾑﾌﾟﾚｰﾄを外 し ます｡
② The connector and jumper position of In-rush Protector Assembly are made
to a proper voltage position with reference to the following table.
ｲﾝﾗｯｼｭ防止Ass'yのｺﾈｸﾀ と ｼﾞｬﾝﾊﾟｰ位置を 下表を 参照 し 、
適正な電圧位置に合わせます｡
③ The fuse of a proper value is used.
適正な値のﾌｭｰｽﾞを使用し ます｡
④ The AC Cable which suits voltage is used.
仕向に合 っ た 電源ケーブル を使用 し ます｡
-19-
In-rush Protector Ass'y
ｲﾝﾗｯｼｭ防止 Ass'y
D:100V (716-0728-01)
U:120V (716-0728-02)
E:230V (716-0728-03)
Power Transformer
電源ﾄﾗﾝｽ
(510-3027-00)
K3 K5
K1
K4 K6
K2
Type Ass'y No.Fuse Connector Jumper Power Supply Cord
ﾀｲﾌﾟ Ass'y番号 ﾌｭ-ｽﾞ ｺﾈｸﾀ ｼﾞｬﾝﾊﾟｰ 電源ｺｰﾄﾞ
100V (D) 716-0728-01 T10A L 250V 310-9907-00 K5/WHT K6/BLU J3,J5 680-1404-00
120V (U,T) 716-0728-02 T10A L 250V 310-9907-00 K3/WHT K4/BLU J1,J3,J5 680-2402-00
220-240V(E,K) 716-0728-03 T5A L 250V 310-1502-00 K1/WHT K2/BLU J4 680-3402-00
J5
J1
J3
J4
N
(W)
AC100/120/230V
50/60Hz
(W)
N
ORG
RED
GRY
YEL
BRN
WHT
RED
BLK
ORG
YEL
510-3027-00
RED
0V
100V
117V
0V
100V
117V GRN
YEL
ORG
BRN
VIO
GRY
GRN
AC100V ONLY
D001
S15VB20
K7
K1
K2
K3
K4
K5
K6
K9
K8
716-0728-01,02,03
Inrush Ass'y
2 1
S001
2W
10
R001
* H2
* H1
BLU
VIO
BLU
* H1,H2 should be connected to:
!
! !!
!
!
BRN
BLU
BLU
BRN
WHT
Power Transformer
T001