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Authorized Technical Service Only
CAUTION /
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。
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。
回 路 図
Bi-lingual
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Related Manuals for Accuphase DP-77
Summary of Contents for Accuphase DP-77
- Page 1 Bi-lingual Authorized Technical Service Only 回 路 図 CAUTION / 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.
- Page 2 EXPLANATION OF SURFACE PARTS ★ Front Glass ★ Knob Decoration Screw ﾂﾏﾐ ﾌﾛﾝﾄｶﾞﾗｽ 飾りﾈｼﾞ (383-1201-03) (172-0116-03) (630-0304-14) Washer ﾜｯｼｬ (637-9045-04) ★ Push-button for POWER ﾌﾟｯｼｭﾎﾞﾀﾝ Side Panel (388-5044-03) ｻｲﾄﾞﾊﾟﾈﾙ Power Switch Assembly ★ Tray Sub-panel (139-0035-22) ﾊﾟﾜｰｽｲｯﾁ Ass'y ﾄﾚｨｻﾌﾞﾊﾟﾈﾙ (726-0143-00) (134-0130-04) ★...
- Page 3 FRONT VIEW ( 前面 ) Knob ﾂﾏﾐ (383-1201-03) 1pce. Display Assembly=723-0081-00 1pce. Front Panel=131-0169-01 ﾃﾞｨｽﾌﾟﾚｨAss'y ﾌﾛﾝﾄﾊﾟﾈﾙ 1pce. 6-1 Fixed Bracket=159-0097-03 1pce. Sub-panel =134-0138-03 化粧板 ｻﾌﾞﾊﾟﾈﾙ 1pce. 6-2 Rubber Cussion=250-2140-04 1pce. Tray Sub-panel=134-0130-04 ｺﾞﾑｸｯｼｮﾝ ﾄﾚｨｻﾌﾞﾊﾟﾈﾙ Front Panel Assebly 1pce. 6-3 Filter=179-0029-04 1pce.
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Page 4: Top View
TOP VIEW IO Assembly Power Transformer IO Ass'y ﾊﾟﾜｰﾄﾗﾝｽ (726-0142-00) (510-4032-00) Power Transformer ﾊﾟﾜｰﾄﾗﾝｽ (510-4031-00) DAC Assembly Mother Board Assembly DAC Ass'y ﾏｻﾞｰﾎﾞｰﾄﾞ Ass'y (725-0041-00) (726-0144-00) DSP Assembly DSP Ass'y (724-0055-00) SACD Kit /SACD ｷｯﾄ Mechanical Assembly ﾒｶﾆｶﾙ Ass'y (731-0007-00) BOTTOM VIEW ( 底面... - Page 5 FRONT VIEW Sub-chassis side Power Switch Assembly ﾊﾟﾜｰｽｲｯﾁ Ass'y (726-0143-00) Power Push Switch ﾊﾟﾜｰｽｲｯﾁ SACD kit /SACD ｷｯﾄ Main Board Assembly ﾒｲﾝﾎﾞｰﾄﾞ Ass'y Mechanical Assembly (1-679-080-12) ﾒｶﾆｶﾙ Ass'y (731-0007-00) Explanation of Front-panel back view Rotary Encoder Infrared Receiver Fixed Bracket 赤外線ﾚｼｰﾊﾞ...
- Page 6 MISCELLANEOUS (本体その他使用部品) Description Part No. Remarks Description(部品名) Part No. Remarks PC Board for Screws Front Panel /ﾌﾛﾝﾄﾊﾟﾈﾙ用ﾈｼﾞ DSP Ass'y 115-1436-00 Binding Screw /ﾊﾞｲﾝﾄﾞﾂﾒﾂｷ 631-0047-00 3×8mm 6pcs. DAC Ass'y 115-1438-10 ﾈｼﾞ類 IO Ass'y 115-1439-10 Top Plate Ass'y /ﾄｯﾌﾟﾌﾟﾚｰﾄ Mother Board Ass'y 115-1441-10 Round Head Screw /ﾌﾞﾚｻﾞｰﾂﾒﾂｷ...
- Page 7 Mechanical Assembly (731-0007-00M) Ass'y Optical Pick-up(8-820-132-03) Optical Pick-up (8-820-132-03) ｵﾌﾟﾄﾋﾟｯｸｱｯﾌﾟ ｵﾌﾟﾄﾋﾟｯｸｱｯﾌﾟ Disc Table(4-948-353-18) ﾃﾞｨｽｸﾃｰﾌﾞﾙ /not supplied Belt(4-927-649-01) RF Board (1-679-092-11) ﾍﾞﾙﾄ Switch Assembly (1-641-764-11) not suppled ｽｲｯﾁ Ass'y SACD Kit (731-0007-00) Including Main Board Ass'y Cam / ｶﾑ See page 10. Loading Motor (1-641-765-11) ﾛｰﾃﾞｨﾝｸﾞﾓｰﾀ...
- Page 8 DSP Assembly (724-0055-00) CS8404A-CS TC74VHCT04AF IC5,6 TMS57070FFT SOCKET1 427-0010-10 S-80845CLY CS8427-CS/REVA2 IC10 M93C46-BN6 IC10 TMP87PH00N IC101 TC74HC00AF IC201 TC74VHCU04F IC201 Variable/ﾊﾞﾘｷｬｯﾌﾟ D101,102 HVM17 Capacitance Diode K904 Ferrite Beads BK1608HM601-T FB1,2 K901 ﾌｪﾗｲﾄﾋﾞｰｽﾞ Ceramic C1 ～10,21～24 CK725B1E223M16T 0.022uF/25V K903 Capacitor C25,26,101,201 CG14Y1C103MS 0.01uF / 50V IC11...
- Page 9 DAC Assembly (725-0041-00) IC002 IC007 IC100 IC13 IC22 RELAY1 IC005 IC004 IC001 IC11 IC15 IC19 IC003 IC006 IC17 K104 IC101 RELAY3 F1～6 Q101 K103 K101 K102 IC12 IC20 IC18 IC10 K701 IC14 RELAY2 IC16 Ceramic Capacitor C1,2,3,6,100,103,104,105 CG14Y1C103MS 0.01uF/16V Heat Sink 240-1061-04 ﾋｰﾄｼﾝｸ...
- Page 10 Power Switch Assembly (726-0143-00) Ass'y Fuse Holder FH1,2 306-2001-00 ﾌｭｰｽﾞﾎﾙﾀﾞｰ Connector Plug 308-0236-00 ｺﾈｸﾀﾌﾟﾗｸﾞ Power Push Switch 354-1024-00 電 源ｽｲｯﾁ Metalized Polyester CF99MF2E103M 0.01uF/250V Capacitor ﾒﾀﾗｲｽﾞﾄﾞﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ Mother Board Assembly (726-0144-00) Ass'y IC10 IC11 RA10 IC31 IC30 IC103 IC20 RA20 IC102 IC101 IC100 Electorlytic Capacitor C1,2 CE04W0J330MA...
- Page 11 Optical Pick-up(8-820-132-03) ｵﾌﾟﾄﾋﾟｯｸｱｯﾌﾟ Disc Table(4-948-353-18) ﾃﾞｨｽｸﾃｰﾌﾞﾙ /not supplied Caution / 注意 Belt(4-927-649-01) The parts of this mark are not supplied. ﾍﾞﾙﾄ ｽﾀｰﾏｰｸの部品は供給 で き ま せん｡ Top side Bottom side Input Selector Button / 入力ｾﾚｸﾀｰ･ﾎﾞﾀﾝ CD/PROC selector button / EXT DSP Button / EXT DSP ﾎﾞﾀﾝ CD/PROC 切替ﾎﾞﾀﾝ...
- Page 12 No. DP-77-001 Service Information Accuphase Laboratory Inc. Issued 2003-12-10 MODEL : DP-77 機 種 SUBJECT :(1) To prevent the output becomes nothing in unusual (2) To be improve the reliability of lock in at external in 項 目 :電源オン時、出力無しとなる可能性を防止する :外部入力時、ロック外れになるのを防止する 。...
- Page 13 Caution for AC line Voltage Selection 注意 ： 電源電圧の変更 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.
- Page 14 PACKING Top Board 天地当板 Wrapping Sheet (803-0033-14) ｼｰﾄ (810-4545-04) Accessories Case 付属品ｹｰｽ (801-0251-10) Top Pad(R) ﾄｯﾌﾟﾊﾟｯﾄﾞ/後部 (803-0325-00) Top Pad(F) ﾄｯﾌﾟﾊﾟｯﾄﾞ/前部 (803-0324-00) Cover for AC Cord,RC-20,Audio Cord 保護ｶﾊﾞ/電源ｺｰﾄﾞ (810-2030-04) Cover 保護ｶﾊﾞ Battery :R6/UM-4 (810-4843-04) 電池 / 単4型 保護ｶﾊﾞ/ｵｰﾃﾞｨｵｺｰﾄﾞ (569-0006-00) (810-2030-04) Bottom Pad(R) ﾎﾞﾄﾑﾊﾟｯﾄﾞ/後部...
- Page 15 － １ 4 －...
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Page 16: Mother Board Ass'y
D P - 7 7 M A S T E R C I R C U I T D I A G R A M IO Ass'y MOTHER BOARD Ass'y 726-0142-00 726-0144-00 Coaxial Output Coaxial Input DSP Ass'y DISPLAY Ass'y 724-0055-00 723-0081-00... -
Page 17: Display Ass'y
DP-77 DISPLAY ASS'Y (723-0081-00) RD92AK05C_18 to DIGITAL ASSY NJL64H380A K2 280-9009-00 R5 332 REMOCON FL_DA FL_/CP FL_/CS /RESET FL_/RESET -33V -33V SW_OPENCLOSE SW_PLAY to DIGITAL ASSY K3 280-9009-00 SW_PAUSE SW_STOP SW_SACDCD COM22 SW_ENTER COM21 SW_EXTDSP SEG1 COM20 EN_TRACKA SEG2 COM19 EN_TRACKB SEG3 COM18... - Page 18 D P - 7 7 D S P A S S ' Y ( 7 2 4 - 0 0 4 1 - 0 0 - 1 ) DSP ASS'Y(724-0041-00-2) R104 105 22.5792MHz R105 527-0038-00 XTAL101 VCX44E IC201A VCX48E C106 VCX512FS IC101A...
- Page 19 RD92AK04C_18 R14 473 CDOUT CCLK RD92AK09C_18 CDIN /EMPH 27AES3 EEPCS to DISPLAY ASSY IC11 EEPSK C31 103 EEPDI EN-SELB DSP ASSY /VCXO /DIS EN_SELECTORB EEPDO EN-SELA AGND DGND EN_SELECTORA (724-0041-00-1) EN-TRAB FILT OMCK EN_TRACKB 307-3001-00 EN-TRAA 425-0015-00 /RST 5V-OSC VCX512FS EN_TRACKA 27RMCK 27/AUDIO...
- Page 20 D P - 7 7 D A C A S S Y / P O W E R S U P P L Y ( 7 2 5 - 0 0 4 1 - 0 0 - 1 ) K101 from POWER S1VB60...
- Page 21 D P - 7 7 D A C A S S ' Y ( 7 2 5 - 0 0 4 1 - 0 0 - 0 ) 4991D +8VL IC17A NJM2114D 4991D -8VL 301-8005-00 362-0202-00 RELAY1 5111D BALANCED 2SA1316_ -BL...
- Page 22 D P - 7 7 I O A S S ' Y ( 7 2 6 - 0 1 4 2 - 0 0 ) 520-5005-00 LPF1 302-0116-00 COAX-TX(s2w) COAXIAL OUTPUT (s2g) R7 221 IC1F IC1A COAX-RX(s2r) TC74HCU04AF TC74HCU04AF to MOTHER BOARD Ass'y K3...
- Page 23 P O W E R S W I T C H A S S ' Y ( 7 2 6 - 0 1 4 3 - 0 0 ) 103 /2E 354-1024-00 306-2001-00 306-2001-00 CAUTION ! Attention mark indicating critical components for safety. Replacement must be made with identical parts of specified part number.
- Page 24 M O T H E R B O A R D A S S ' Y ( 7 2 6 - 0 1 4 4 - 0 0 - 0 ) to DSP ASSY, K2 307-3001-00 RA2 104J RA1 473J M o t h e r ...
- Page 25 － －...
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Page 26: Specifications
SPECIFICATIONS [Guaranteed specifications measured according to EIAJ standard CP-2402] [Measurement disc :PHILIPS 3122-783-00632] [Transport Section] 2チ ャ ン ネルSuper Audio CD 2-channel Super Audio CD, CD Non-contact optical pickup 非接 触 光学 式 SACD :650 nm SACD 用 :650nm :780 nm CD 用...
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