Accuphase DC801 Service Manual

Service Information

STARTING WITH SERIAL No. L6Y001

Authorized Technical Service Only

サービス資格のある技術者が使用して下さい

Bi-lingual

Precision Mdsd Digital Processor

DC-

CAUTION /

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。

801

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。

Schematic Diagram

注意

回路図

DC-

801

EXPLANATION OF SURFACE PARTS

（外観部品）

Decoration Screw
飾りﾈｼﾞ/2pcs.
(630-0307-14)

Washer
ﾜｯｼｬ
(637-9045-04)

Push-button for POWER
ﾌﾟｯｼｭﾎﾞﾀﾝ
(388-5062-03)

Front Glass

★

ﾌﾛﾝﾄｶﾞﾗｽ
(172-0143-03)

Push-button/7-gang

★

ﾌﾟｭｼｭﾎﾞﾀﾝ/7連
(388-5073-02)

★

Push-button/3-gang
ﾌﾟｭｼｭﾎﾞﾀﾝ/3連
(388-5074-03)

Top Plate Assembly
ﾄｯﾌﾟﾌﾟﾚｰﾄAss'y
(150-0090-02A)

★

Top Plate(B)
ﾄｯﾌﾟﾌﾟﾚｰﾄB
(150-0089-04)

Binding Serew
ﾊﾞｲﾝﾄﾞﾈｼﾞ/4pcs.
(604-0416-00)

Decoration Washer
飾りﾜｯｼｬ/4pcs.
(637-9051-04)

Woode Cabinet
ｳｯﾄﾞｷｬﾋﾞﾈｯﾄ
(101-0022-10)

Bottom Plate
ﾎﾞﾄﾑﾌﾟﾚｰﾄ
(155-0092-02)

Front Panel Assembly
ﾌﾛﾝﾄﾊﾟﾈﾙ Ass'y
(130-0195-01)

Foot
脚
(238-0025-00)

－1－

mark parts not supplied

★

ﾏｰｸ部品は供給出来ません

FRONT VIEW

前面

(

)

Front Panel Assembly
ﾌﾛﾝﾄﾊﾟﾈﾙ Ass'y
(130-0195-01)

★

1

6

4

1 Front Panel=131-0195-01

ﾌﾛﾝﾄﾊﾟﾈﾙ

2 Push-button/7-gang=388-5073-02

ﾌﾟｯｼｭﾎﾞﾀﾝ /7連

3 Push-button/3-gang=388-5074-03

ﾌﾟｯｼｭﾎﾞﾀﾝ /3連

4 Push-button=388-5062-03

ﾌﾟｯｼｭﾎﾞﾀﾝ/POWER

4-1 Push-button Frame=113-0123-04

ﾌﾟｯｼｭﾎﾞﾀﾝﾌﾚｰﾑ

4-2 Coil Spring=285-1016-04

ｺｲﾙｽﾌﾟﾘﾝｸﾞ

4-3 E-ring=647-1054-00

Eﾘﾝｸﾞ

5 Wooden Cabinet=101-0022-10

ｳｯﾄﾞｷｬﾋﾞﾈｯﾄ

★

★

8

2

★

1pce.

1pce.

1pce.

1pce.

1pce.

1pce.

1pce.

1pce.

7

★

3

6 Decoration Serew=630-0307-14

飾りﾈｼﾞ

6-1 Washer=637-9045-04

ﾜｯｼｬ

6-2 Hexa Nut=633-2032-02

六角ﾅｯﾄ

7 Front Glass=172-0143-03

ﾌﾛﾝﾄｶﾞﾗｽ

8 Indicator=173-9089-03

ｲﾝﾃﾞｨｹｰﾀ

8-1 Indicator Frame=247-1120-03

ｲﾝﾃﾞｨｹｰﾀ取付金具

8-2 Filter=179-0045-04

ﾌｨﾙﾀ

8-3 Push Rivet=643-0304-50

ﾌﾟｯｼｭﾘﾍﾞｯﾄ

5

2pcs.

2pcs.

2pcs.

1pce.

1pce.

1pce.

2pcs.

4pcs.

REAR VIEW

XLR(Cannon)Jack
Receptacle
ｵｰﾃﾞｨｵｺﾈｸﾀｼﾞｬｯｸ
(302-8006-00)

Connector Cover
ｺﾈｸﾀｶﾊﾞ/1pc.
(254-2012-00)

HS Link
Connector Jack
HSﾘﾝｸｺﾈｸﾀｼﾞｬｯｸ
(307-0806-00)

Dust Cover
ﾀﾞｽﾄｶﾊﾞ
(254-2022-00)

Foot
脚
(238-0025-00)

Binding Serew /脚用
ﾌﾞﾚｻﾞｰBﾀｲﾄﾈｼﾞ /4×14
(611-0414-02)

後面

(

Pin Jack
ﾋﾟﾝｼﾞｬｯｸ
(302-0116-00)

Pin Jack Cover
ﾋﾟﾝｼﾞｬｯｸｶﾊﾞ/8pcs.
(254-2015-04)

)

Optical Transmitter
ｵﾌﾟﾄﾄﾗﾝｽﾐｯﾀ/IC1
(GP1FAV51TK0F)

Optical Rceiver
ｵﾌﾟﾄﾚｼｰﾊﾞ/IC1,2
(GP1FAV51RK0F)

XLR(Cannon)Plug Receptacle
ｵｰﾃﾞｨｵｺﾈｸﾀﾌﾟﾗｸﾞ
(301-8005-00)

Connector Cover
ｺﾈｸﾀｶﾊﾞ/2pcs.
(254-2011-00)

Pin Jack
ﾋﾟﾝｼﾞｬｯｸ
(302-0116-00)

Pin Jack Cover
ﾋﾟﾝｼﾞｬｯｸｶﾊﾞ/8pcs.
(254-2015-04)

★

Rear Panel
ﾊﾞｯｸﾊﾟﾈﾙ
(135-0186-02)

AC Inlet
AC ｺﾈｸﾀﾌﾟﾗｸﾞ
(301-3306-00)

Power Supply Cord

電源ｺｰﾄﾞ
J type :680-1404-10
U,T type:680-2402-00
E type :680-3402-00

－2－

TOP VIEW

上面

(

)

Input Assembly
ｲﾝﾌﾟｯﾄAss'y
(726-0169-10)

DAC Assembly/2pcs.
(725-0049-00)

Power Supply Assembly
電源Ass'y/2pcs.
(719-0062-00)

Power Switch Assembly
ﾊﾟﾜｰｽｲｯﾁ Ass'y
(726-0170-00)

Power Push Switch
ﾌﾟｯｼｭｽｲｯﾁ /POWER
(354-1024-00)

BOTTOM VIEW

底面

(

Digital Assembly
ﾃﾞｨｼﾞﾀﾙ Ass'y
(724-0063-10)

Power Transformer
ﾊﾟﾜｰﾄﾗﾝｽ/T002
(510-4038-10)

Power Transformer
ﾊﾟﾜｰﾄﾗﾝｽ/T001
(510-4037-10)

)

AC Inlet/Line Filter
ACｺﾈｸﾀﾌﾟﾗｸﾞ
(301-3306-00)

Digital Assembly
ﾃﾞｨｼﾞﾀﾙ Ass'y
(724-0063-10)

Voltage Selector Assembly
ﾎﾞﾙﾃｰｼﾞｾﾚｸﾀ Ass'y
(726-0171-11/12/13)

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。

DAC Assembly/2pcs.
(725-0049-00)

Power Supply Assembly
電源Ass'y/2pcs.
(719-0062-00)

Power Switch Assembly
ﾊﾟﾜｰｽｲｯﾁ Ass'y
(726-0170-00)

Power Push Switch
ﾌﾟｯｼｭｽｲｯﾁ /POWER
(354-1024-00)
Fuse for 100-120V
ﾌｭｰｽﾞ

T2A L 250V
(310-1202-00)
Fuse for 220-240V
T1A L 250V

－３－

FRONT VIEW(Sub-chassis side

)

（サブシャーシ前面図）

Power Switch Assembly
ﾊﾟﾜｰｽｲｯﾁ Ass'y
(726-0170-00)

Power Push Switch
ﾊﾟﾜｰｽｲｯﾁ
(354-1024-00)

Explanation of Front-panel back view

ﾌﾛﾝﾄﾊﾟﾈﾙ背面図

Indicator Fixed Bracket

★

ｲﾝﾃﾞｨｹｰﾀ取付金具
(247-1120-03)

★

Indicator
ｲﾝﾃﾞｨｹｰﾀ
(173-9089-03)

★

Filter
ﾌｨﾙﾀ
(179-0045-04)

Infrared Receiver
赤外線ﾚｼｰﾊﾞ/IC2
(NJL62H380A)

Push Switch
ﾌﾟｯｼｭｽｲｯﾁ/S1～7
(354-1116-00)

Front Glass

★

ﾌﾛﾝﾄｶﾞﾗｽ
(172-0143-03)

LED
D5,6,7
(SEL2610C)

Push Switch
ﾌﾟｯｼｭｽｲｯﾁ/S8,9,10
(354-1116-00)

Nut
六角ﾅｯﾄ

(633-2032-02)

Push Rivet
ﾌﾟｯｼｭﾘﾍﾞｯﾄ/4pcs.

(643-0304-50)

Display Assembly
ﾃﾞｨｽﾌﾟﾚｨ Ass'y
(723-0133-00)

Push button
ﾌﾟｭｼｭﾎﾞﾀﾝ
(388-5062-03)

ﾎﾞﾀﾝﾌﾚｰﾑ

★

(113-0123-04)

★

Push-button /3-gang
ﾌﾟｯｼｭﾎﾞﾀﾝ /3連
(388-5074-03)

★

Push-button/7-gang
ﾌﾟｯｼｭﾎﾞﾀﾝ /7連
(388-5073-02)

－４－

★

六角ﾎﾞｽ/11pcs.
(251-6093-00)

★

mark parts not supplied

ﾏｰｸ部品は供給出来ません

MISCELLANEOUS

(本体その他使用部品)

No.

Packing
Material
梱包材

Description(部品名)

PC Board for
Power Supply Ass'y
Display Ass'y
Digital Ass'y
DAC Ass'y
Input Ass'y
Voltage Selector Ass'y

Fuse T2A L 250V
ﾌｭｰｽﾞ T1AL250V

Outer Carton Box(外ﾀﾞﾝﾎﾞｰﾙ箱)

Inner Carton Box(内ﾀﾞﾝﾎﾞｰﾙ箱)

Top Pad (F)
ﾄｯﾌﾟﾊﾟｯﾄﾞF
Top Pad(R)
ﾄｯﾌﾟﾊﾟｯﾄﾞR
Bottom Pad(F)
ﾎﾞﾄﾑﾊﾟｯﾄﾞF
Bottom Pad(R)
ﾎﾞﾄﾑﾊﾟｯﾄﾞR

Top Board /天地当板

Cover /保護ｶﾊﾞ

Accessories Case /付属品ｹｰｽ

Wrapping Sheet /ｼｰﾄ

Bag for AC Cord

Poly Bag /ﾋﾞﾆｰﾙ袋

Poly Bag /ﾋﾞﾆｰﾙ袋 for Manual

Cord Cramper
ｺｰﾄﾞﾊﾞﾝﾄﾞ

Part No.

115-1741-00
115-1738-00
115-1737-10
115-1739-10
115-1740-10
115-1743-10

310-1202-00
310-1102-00

800-0275-04

801-0196-04

803-0395-00

803-0396-00

803-0399-00

803-0400-00

803-0033-14

810-4843-04

801-0273-00

810-4545-04

810-2030-04

812-2030-04

812-2435-04

280-0043-00

Remarks

for 100-120V
for 220-240V

(前)

(後)

(前)

(後)

(本体)

ACｺｰﾄﾞ

ｸﾘｰﾆﾝｸﾞｸﾛｽ

取説用

ACｺｰﾄﾞ用

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ﾈｼﾞ

Binding Screw /ﾊﾞｲﾝﾄﾞﾂﾒﾂｷBﾀｲﾄ

Top Plate Ass'y /ﾄｯﾌﾟﾌﾟﾚｰﾄ

Binding Screw /ﾊﾞｲﾝﾄﾞﾂﾒﾂｷBﾀｲﾄ
Binding Screw /ﾊﾞｲﾝﾄﾞﾂﾒﾂｷBﾀｲﾄ

Wooden Cabinet /ｳｯﾄﾞｷｬﾋﾞﾈｯﾄ

Binding Screw/ﾊﾞｲﾝﾄﾞﾈｼﾞ
Decoration Washer/飾りﾜｯｼｬ

Bottom Plate /ﾎﾞﾄﾑﾌﾟﾚｰﾄ

Binding Screw/ﾊﾞｲﾝﾄﾞﾂﾒ付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 Transforer/ﾊﾟﾜｰﾄﾗﾝｽ用

Binding Screw /Wｾﾑｽﾈｼﾞ

Owner's Manual
取扱説明書
Notes
注意書

目隠しｼｰﾙ･ｽﾃｯｶ
案内状

Power Supply Cord (J type)
電源ｺｰﾄﾞ (U,T type)

Cleaning Cloth/ｸﾘｰﾆﾝｸﾞｸﾛｽ
Caution Note/注意書

Audio Cord Set/ｵｰﾃﾞｨｵｺｰﾄﾞｾｯﾄ

Pin Jack Cover / ﾋﾟﾝｼﾞｬｯｸｶﾊﾞ
Dust Cover for HS / ﾀﾞｽﾄｶﾊﾞ
Connector Cover for male
Connector Cover for female
ｺﾈｸﾀｶﾊﾞ

(E type)

Part No.

61B-0308-04

61B-0306-02
631-0054-00

604-0416-00
637-9051-04

631-0054-00

611-0414-02

607-0408-02

820-2244-00
820-0244-00
821-0011-00
821-0010-00

180-9230-00
859-1011-00

680-1404-10
680-2402-00
680-3402-00

840-0001-00
821-0017-00

686-0002-10

254-2015-04
254-2022-00
254-2011-00
254-2012-00

Remarks

3×8mm 6pcs.

3×6mm 10pcs.
3×10mm 2pcs.

4×16 4pcs.

4pcs.

9pcs.

4×14mm 4pcs.

M4×8mm 8pcs.

English
Japanese
English
Japanese

国内のみ(D only)
国内のみ(D only)

2-conductor
2-conductor
3-conductor

1pce.
1pce.

1m / SRｼﾘｰｽﾞ

8pcs.
3pcs. / HS用
2pcs. 出力用
1pce. 入力用

Input Assembly (726-0169-10)

ｲﾝﾌﾟｯﾄ Ass'y

IC2

JK1 JK2

IC1

X1

IC3

Shield
導電金具 K3用 246-0028-04

Pin Jack JK1,2,3 302-0116-00
ﾋﾟﾝｼﾞｬｯｸ

XLR(Canon) JK4 302-8006-00
Jack Receptacle
ｵｰﾃﾞｨｵｺﾈｸﾀｼﾞｬｯｸ

Connector Jack K3 307-0806-00
ｺﾈｸﾀｼﾞｬｯｸ

IC4

JK3

JK4

X3

K1

X2

Connector Ass'y
ｺﾈｸﾀAss'y(309-0964-04)

K3

IC6
IC5

K2

Ootical Receiver IC1,2 GP1FAV51RK0F
ｵﾌﾟﾄﾚｼｰﾊﾞ

IC IC3 TC74VHCU04F/EL

Diode D1,2,3,4 1SS387
ﾀﾞｲｵｰﾄﾞ

Digital Transisstor X1,2,3 RN1424
ﾃﾞｼﾞﾀﾙﾄﾗﾝｼﾞｽﾀ

Chke Coil L1 LFD2518DXD470M
ﾁｮｰｸｺｲﾙ

Electorlytic Capacitor C1,8 CE32WG1C101WX-T 100uF / 16V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ

Ceramic Capacitor C2～7,9,11,13 CK725B1E104K16T 0.1uF /25V
磁器ｺﾝﾃﾞﾝｻ C10 CC725SH1H220J16T 22pF / 50V

Metal Film Resistor R1,2,11～13 RK73K1J101JE-T 100Ω 1/10W
金属混合皮膜抵抗器 16～20

IC4 TC74HCU04AF/EL
IC5 ADM3491ARUZ
IC6 DS90LVO19TMTC

C12 CK725F1H103Z16T 0.01uF /50V
C14,15,16 CC725CH1H101J16T 100pF / 50V

R3,10,14 RK73K1J750JE-T 75Ω 1/10W
R4,5,6 RK73K1J222JE-T 2.2kΩ 1/10W
R7,8,9 RK73K1J223JE-T 22kΩ 1/10W
R15 RK73K1J241JE-T 240Ω 1/10W
R21 RK73K1J103JE-T 10kΩ 1/10W

－５－

Power SupplyAssembly (719-0062-00)

電源 Ass'y

Connector Ass'y/K1
ｺﾈｸﾀAss'y/K1
(309-2541-04)

Q1

C8

C9

C13

Q2

C12

C4

IC1

C6

C2

C1
C5

C11

C16

C15

K3

C7

D1

F1

K2

Connector Plug K2 308-0207-00
ｺﾈｸﾀﾌﾟﾗｸﾞ K3 308-0304-00

IC Protector F1 310-8152-00
ICﾌﾟﾛﾃｸﾀ F2,3 310-8251-00

F3F2

Display Assembly (723-0133-00)

ﾃﾞｨｽﾌﾟﾚｲ Ass'y

Light Holder

IC1

S2

ﾗｲﾄﾎﾙﾀﾞ
(234-1116-03)

D8

IC2

S5

S4

S3

D8 SDPW3DG0B0-J

D5,6,7

S6

S7

IC3

Q1

S8

K1

K2

S9

表示器取付ﾌﾚｰﾑ
(113-0133-13)

S1

表示器取付ﾌﾚｰﾑ 113-0133-13

Light Holder 234-1116-03
ﾗｲﾄﾎﾙﾀﾞ

Connector plag K1 308-1103-00
ｺﾈｸﾀﾌﾟﾗｸﾞ K2 308-1014-00

LED Spacer 250-0061-00 D8用
LEDｽﾍﾟｰｻ 250-1117-00 D5,6,7用

LED D5,6,7 SEL2610C

Diode D1 S1VB60
ﾀﾞｲｵｰﾄﾞ D3～6 11EQS10

Zener Diode D2,7 RD3.0EB1
ﾂｪﾅｰﾀﾞｲｵｰﾄﾞ

IC IC1 UPC24M05AHF

Electrolytic C1,2 CE04W1J102KMG 63V/1000uF
Capcitor C4 CE04W0J221LXVE 6.3V/220uF
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C5～7,11,15,16 CE04W1E332KMG 25V/3200uF

Ceramic Capacitor C3 CK92Y5V1H104Z 50V/0.1uF
磁器ｺﾝｾﾞﾝｻ

Carbon Film Resistor R1,4,8,9,11 RD142EA333JFS 33kΩ 1/4W
炭素皮膜抵抗器 R2,6,13 RD142EA332JFS 3.3kΩ 1/4W

Oxide Metal Film Resistor R3 RS143DA200JS-P 20Ω 2W
金属酸化物皮膜抵抗器 R10 RS143DA330JS-P 33Ω 2W

Push Rivet 643-0003-00
ﾌﾟｯｼｭﾘﾍﾞｯﾄ

Push Switch S1～10 354-1116-00
ﾌﾟｯｼｭｽｲｯﾁ

Transisstor Q1 2SC2458-GR
ﾄﾗﾝｼﾞｽﾀ

Display IC1,3 HCMS-2971
表示器

Diode D1～4,9～11 MA165
ﾀﾞｲｵｰﾄﾞ 13～15

Zener Diode D12 HZ3CLL
ﾂｪﾅｰﾀﾞｲｵｰﾄﾞ

Infrared Receiver IC2 NJL62H380A

S10

赤外線ﾚｼｰﾊﾞ

Ceramic Capacitor C1,3 CK92Y5V1H104Z 0.1uF/50V
磁器ｺﾝﾃﾞﾝｻ

Electrolytic Capactor C2,4 CE04W0J470MA 47uF /6.3V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ

Carbon Film Resistor R1 RD142CA470J 47Ω 1/6W
炭素皮膜抵抗器 R2 RD142CA620J 62Ω 1/6W

Resistor Array RA1 RD92AK07C104J18
抵抗ｱﾚｲ

C8,12 CE04W1E332VRE 25V/3200uF
C9,13 CE04W1E332CZE 25V/3200uF
C10,14 CE04W1E220ROB 25V /22uF

R5,7,12,14 RD142EA101JFS 100Ω 1/4W

R3 RD142CA332J 3.2ｋ Ω1/6W

R4 RD142CA104J 100kΩ 1/6W

R5,6,7 RD142CA621J 620Ω 1/6W

Power Switch Assembly (726-0170-00)

ﾊﾟﾜｰｽｲｯﾁ Ass'y

PC Board 115-1742-00
PC ﾎﾞｰﾄﾞ

Fuse Holder FH1,2 306-2001-00

FH1

S1

FH2

ﾋｭｰｽﾞﾎﾙﾀﾞ

Power Switch S1 354-1024-00
電源ｽｲｯﾁ

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