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Accuphase DP-430 Service Information
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Accuphase DP-430 Service Information

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Bi-lingual
For Qualified Service Engineers Only
回 路図
CAUTION /
To eliminate the risk of electrical shock, unqualified personnel are not
allowed to perform technical services beyond the instructions herein
provided. Following service instructions are prepared only for personnel
qualified for technical services.
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。
Those bearing the specified part number shall always be used. The part
or component having this mark is important to safety.
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。

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Summary of Contents for Accuphase DP-430

  • Page 1 Bi-lingual For Qualified Service Engineers Only 回 路図 CAUTION / To eliminate the risk of electrical shock, unqualified personnel are not allowed to perform technical services beyond the instructions herein provided. Following service instructions are prepared only for personnel qualified for technical services. 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...
  • Page 2 Precautions for DP-430 Repair DP-430修理時の注意事項 Precaution and meaning of symbols/注意および記号の意味 Precautions on tasks that involve danger or are related to critical locations in terms of safety. 作業に危険を伴うまたは、安全上重要な箇所に関わる作業 Make sure to provide anti-static measures when you perform the work. 作業時に静電気対策実施のこと Precautions (Main Unit)注意事項(本体) This unit is heavy and therefore exercises caution when you perform the work.
  • Page 3 EXPLANATION OF SURFACE PARTS Front Glass ★ ﾌﾛﾝﾄｶﾞﾗｽ (172-0188-03) Side Panel ｻｲﾄﾞﾊﾟﾈﾙ (139-0053-12) ★ Power button Assembly ﾊﾟﾜｰﾎﾞﾀﾝAss'y (730-1002-00) Push-button for POWER ﾌﾟｯｼｭﾎﾞﾀﾝ (388-5062-03) Power Switch Assembly ﾊﾟﾜｰｽｲｯﾁ Ass'y (726-0275-01/02/03) Power Switch ﾊﾟﾜｰｽｲｯﾁ (354-1026-00) ★ Push-button/5-gang ﾌﾟｯｼｭﾎﾞﾀﾝ/5連 (388-5113-03) ush-button(Input) Tray Sub-panel Assembly ﾌﾟｯｼｭﾎﾞﾀﾝ(ｲﾝﾌﾟｯﾄ) ﾄﾚｨｻﾌﾞﾊﾟﾈﾙAss'y (388-5115-04)
  • Page 4 FRONT FACE (前面) ★ ★ ★ 1pce. Front Panel=131-0252-01 Front Glass=172-0188-03 1pce. ﾌﾛﾝﾄﾊﾟﾈﾙ ﾌﾛﾝﾄｶﾞﾗｽ 1pce. Tray Sub-panel Ass'y=134-0159-14A6 Glass Frame=247-1445-03 1pce. ﾄﾚｨｻﾌﾞﾊﾟﾈﾙ Ass'y ｶﾞﾗｽ取付金具 1pce. Input button=388-5115-04 Indicator=173-9164-03 1pce. ｲﾝﾌﾟｯﾄﾎﾞﾀﾝ ｲﾝﾃﾞｨｹｰﾀ Front Panel Assembly 1pce. Open/Close-button=388-5115-04 Indicator Mounting 1pce. ﾌﾛﾝﾄﾊﾟﾈﾙ Ass'y ｵｰﾌﾟﾝ/ｸﾛｰｽﾞﾎﾞﾀﾝ...

  • Page 5: Bottom Side

    TOP FACE DAC Assembly (725-0066-00) Power Transformer Decoration plate ﾊﾟﾜｰﾄﾗﾝｽ 化 粧板 (510-4049-10) (159-0113-04) Bridge ﾌﾞﾘｯｼﾞ (112-1435-21) Power Switch Assembly ﾊﾟﾜｰｽｲｯﾁ Ass'y (726-0275-01/02/03) Power Push Switch CD Mechanical Assembly ﾊﾟﾜｰﾌﾟｯｼｭｽｲｯﾁ /POWER CDﾒｶﾆｶﾙ Ass'y (354-1026-00) (731-0020-00) Optical Drive Unit 光学ﾄﾞﾗｲﾌﾞﾕﾆｯﾄ (733-0001-00) BOTTOM SIDE ( Line Filter/AC Power Plug DAC Assembly...
  • Page 6 SUB-CHASSIS - FRONT VIEW Power Switch Assembly ﾊﾟﾜｰｽｲｯﾁ Ass'y (726-0275-01/02/03) SACD Mechanical Assembly Power Push Switch SACD ﾒｶﾆｶﾙ Ass'y ﾊﾟﾜｰｽｲｯﾁ (731-0020-00) (354-1026-00) FRONT PANEL - REAR VIEW Push-button ★ ﾌﾟｯｼｭﾎﾞﾀﾝ (388-5062-03) Display Assembly Frame ﾃﾞｨｽﾌﾟﾚｨ Ass'y ﾌﾚｰﾑ (723-0250-00) (113-0123-04) Panel End cap(L) Panel End cap(R) ﾊﾟﾈﾙｴﾝﾄﾞｷｬｯﾌﾟ(L) ﾊﾟﾈﾙｴﾝﾄﾞｷｬｯﾌﾟ(R)
  • Page 7 MISCELLANEOUS (本体その他使用部品) Remarks Part No. Description(部品名) Part No. Description(部品名) Remarks Front Panel /ﾌﾛﾝﾄﾊﾟﾈﾙ用ﾈｼﾞ Screws PC Board for 3×8mm 6pcs. 61B-0308-04 Binding Screw /ﾊﾞｲﾝﾄﾞﾂﾒﾂｷBﾀｲﾄﾈｼﾞ 115-2671-00 Power Supply Ass'y 115-2667-00 ﾈｼﾞ類 Display Ass'y Panel End Cap/ﾊﾟﾈﾙｴﾝﾄﾞｷｬｯﾌﾟ 115-2672-00 Display Ass'y INPUT 3×6mm 4pcs. 631-0044-10 Pan Head ISO Metric Screw 115-2673-00...
  • Page 8 CD Mechanical Assembly Oval Head Screw CD ﾒｶﾆｶﾙ Ass'y 丸 皿ﾛｯｸﾈｼﾞ/6pcs. (631-0088-00) (731-0020-00) Decoration Plate 化 粧 板 (159-0113-04) ※Bridge ﾌﾞﾘｯｼﾞ (112-1435-21) ※ﾌﾞﾘｯｼﾞ取付 け向き P-13頁参照 Information"001" Recessed Head screw /8pcs. W ｾﾑｽﾈｼﾞ (631-0076-00) Traverse/ﾄﾗﾊﾞｰｽ (Optical Pickup) 光学ﾄﾞﾗｲﾌﾞﾕﾆｯﾄ Bearing (733-0001-00） 軸受 (283-0004-04) Shaft Spacer...
  • Page 9 Construction for Bridge Oval Head Screw 丸皿ﾛｯｸﾈｼﾞ/6pcs. ﾌﾞﾘｯｼﾞの構 造 (631-0088-00) Decoration Plate 化粧 板 (159-0113-04) Chucking Pulley(B) ﾁｬｯｷﾝｸﾞﾌﾟｰﾘ(B) (201-0003-03) Buffer Spacer 緩 衝ｽﾍﾟｰｻ (250-1318-24) ※ Bridge ※ﾌﾞﾘｯｼﾞ取 付け向き ﾌﾞﾘｯｼﾞ P-13頁参照 (112-1435-21) Information"001" Magnet ﾏｸﾞﾈｯﾄ に黒ﾏｰｸが あ る ﾏｸﾞﾈｯﾄ 面 を上 に す る。 (271-0003-00) Chucking Pulley(A) ﾁｬｯｷﾝｸﾞﾌﾟｰﾘ(A)
  • Page 10 Mechanical Assembly (731-0020-00) Ass'y Disc Tray ﾃﾞｨｽｸﾄﾚｲ Top View (上面) Belt(214-0001-00) ﾍﾞﾙﾄ The exchange method of a Traverse(Optical-pickup) This work is carrying out by taking the measures against static electricity. この作業は静電気対策をして行う事。 Bridge ﾌﾞﾘｯｼﾞ A bridge attachment screw is removed and a bridge is removed.
  • Page 11 Display Assembly (723-0250-00) Ass'y PC Board PCﾎﾞｰﾄﾞ 115-2667-00 PC Board PC Board PCﾎﾞｰﾄﾞ PCﾎﾞｰﾄﾞ 115-2672-00 115-2673-00 PC Board 115-2667-00 Transistor 2SC2712-GR PCﾎﾞｰﾄ 115-2672-00 ﾄﾗﾝｼﾞｽﾀ 115-2673-00 Digital Transistor RN1505 NSPB310B-1366 ﾃﾞｼﾞﾀﾙﾄﾗﾝｼﾞｽﾀ D2,3 SEL2610C-C/D Infrared Receiver RPM7238-H8R Light Guide Holder D1 用 234-1149-03 赤...
  • Page 12 DAC Assembly (725-0066-00) PC Board 115-2666-10 Opt-transmitter IC25 PLT133/T9B PCﾎﾞｰﾄﾞ ｵﾌﾟﾄﾄﾗﾝｼﾐｯﾀ Diode D1,2,16,17,19 ISS387 Optical Receiver IC34 PLR135/T9 ﾀﾞｲｵｰﾄ SJPL-H2VL ｵﾌﾟﾄﾚｼｰﾊﾞ D4,5,6,7,13 CRG03 D3SBA60 D4SBS4 RELAY RELAY1 ～5 362-0211-00 ﾘﾚｨ D8,14,15 SML-E12DWT86ST Ferrite Beads FB2,3,12 BLM18HE152SN1D Slide Switch 350-0207-00 ﾌｪﾗｲﾄﾋﾞｰｽﾞ FB4～6,8～11 BLM18AG102SN1D ｽﾗｲﾄﾞｽｲｯﾁ...
  • Page 13 Motor Assembly (726-0276-00) Ass'y PC Board 115-2675-00 PC ﾎﾞｰﾄﾞ Connector Assembly 309-2283-04 ｺﾈｸﾀAss'y Switch Assembly (726-0277-00) Ass'y PC Board 115-2676-00 PCﾎﾞｰﾄ Connector Plug 308-0206-00 ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0508-00 Lever Switch 356-0102-00 ﾚﾊﾞｰｽｲｯﾁ Power Management(ERP) Assembly (716-0961-01/13) 電源管理(ERP) Ass'y PC Board 115-2227-20 PCﾎﾞｰﾄ Connector Plug 308-0327-00 716-0961-01...
  • Page 14 目 ： CD/SACD兼用ﾌﾞﾘｯｼﾞの向き Details ; In 7 models (DP-400/DP-600/DP-500/DP-410/DP-510/DP-550/DP-430), use of a combination bridge is possible. The chucking pulley attachment hole in a bridge has an object for CD, and an object for SACD, and the attachment direction of a bridge changes with use models.
  • Page 15 DP-430 MASTER CIRCUIT DIAGRAM 725-0066 723-0250 DAC Ass'y DISPLAY Ass'y 723-0251 DISPLAY(A) Ass'y 731-0020 CD MECHANICAL Ass'y 723-0252 726-0276 DISPLAY(B) Ass'y MOTOR Ass'y CN16P CN6P 726-0277 SWITCH Ass'y 726-0275 719-0093 POWER SWITCH Ass'y POWER SUPPLY Ass'y K1-1 K1-3 FUSE N(W)
  • Page 16 POWER SUPPLY ASS'Y (719-0093-00) Text 308-0709-00 230V 6.9V 6.9V 120V AC6V 11.9V Power switch Ass'y K3 AC6V 100V 11.9V AC12V AC12V DAC Ass'y K7 10.4V AC9V AC CT 10.4V AC9V 510-4049-10 309-2732-14 Attention mark indicating critical components for safety. Replacement must be made with identical parts of specified part number.

  • Page 17: Display Ass'y

    DISPLAY ASS'Y (723-0250-00) to Display (A) Ass'y (K1) to Display (B) Ass'y (K1) +3.3VD RPM7238-H8R NSPB310B-1366 1.8k 2SC2712_ 47u 6.3V RN1505 INPUT TRAY 354-1121-00 354-1121-00 1.2k 1.2k SEL2610C-C/D SEL2610C-C/D PLAY PAUSE BACK NEXT STOP 354-1122-00 354-1122-00 354-1122-00 354-1122-00 354-1122-00 IC2A SDATA SDATA_BUF +3.3VD...
  • Page 18 DISPLAY (A) ASS'Y (723-0251-00) from Display Ass'y (K7) 2.2k /LAT_DISP 2.2k EN_DISP 1.2k 1.2k 1.2k 1.2k 100p 100p 100k 100n SEL2610C-C/D SEL2610C-C/D SEL2610C-C/D SEL2610C-C/D NJU3719AV-TE1 6.3V SEG_LA SEG_LB SEG_LA SEG_LB SEG_LA SEG_LB SEG_LA SEG_LB SEG_LA SEG_LB SEG_LF /DIG_L7 SEG_LF /DIG_L6 SEG_LF /DIG_L5 SEG_LF...
  • Page 19 DISPLAY (B) ASS'Y (723-0252-00) from Display Ass'y (K6) 2.2k /LAT_DISP 2.2k EN_DISP 1.2k 1.2k 100p 100p 100k 100n SEL2610C-C/D SEL2610C-C/D NJU3718AV-TE1 6.3V SEG_RA SEG_RB SEG_RA SEG_RB SEG_RA SEG_RB SEG_RA SEG_RB SEG_RA SEG_RB SEG_RF /DIG_R6 SEG_RF /DIG_R5 SEG_RF /DIG_R4 SEG_RF /DIG_R3 SEG_RF /DIG_R2 SEG_RG...
  • Page 20 004-8666-02.SchDoc 302-0116-10 PLT133/T9B PLR135/T9 302-0116-10 DAC & Filter IC25 IC34 246-0038-04 307-0415-00 D3.3V D3.3V D3.3V SHIELD1 D3.3V SV3.3V BLM18AG102SN1D R276 D3.3V 520-5007-00 FB11 TEST C235 100n C198 LPF1 R239 R238 470n R272 IC35 BLM18AG102SN1D R261 DAC_MCK_P C186 C234 R255 C238 308-0206-00 DAC_MCK_P R234...
  • Page 21 DAC ASS'Y (725-0066-00) CD MECHANICAL Ass'y CN6P SW Ass'y K2 CD_MCK CD_MCK CD_BCK CD_BCK (01) CD_LRCK CD_LRCK D3.3V D3.3V XTAL1 308-1102-00 CD_DATA CD_DATA DGND 527-0060-00 R153 CD_SPDIF CD_SPDIF MGND 16.9344MHz +3.3VA /PowerOff /PowerOff R149 /SHUTDN C123 C127 /SHUTDN +3.3VD /EXT_RST /EXT_RST +2.5VD +3.3VA...
  • Page 22 DAC ASS'Y (725-0066-00) D3.3V VREFL (02) +VALE +VALE +VARE +VARE +VA1 +VA2 +VA3 +VA4 +VA5 C102 C100 100n 100n 100n 100n 100n 100n 100n D3.3V D3.3V MCKL 1.8kD 100n 1.5n D3.3V 1.5kD 100n 100n 100n 100n 100n VOSL +VA3 /EXT_RST 2.4kD -VA1 -VA2...

  • Page 23: Motor Ass'y

    MOTOR ASS'Y (726-0276-00) SWITCH ASS'Y (726-0277-00) 308-0206-00 224-0001-00 L/C+ L/C- 309-2283-04...
  • Page 24 POWER MANAGEMENT ASS'Y (716-0961-01) 308-0327-00 OFF-MODE AC1 OUTPUT AC1 INPUT AC2 INPUT 308-0206-00 POWER MANAGEMENT ASS'Y (716-0961-13) 308-0327-00 AC1OUTPUT AC1 OUTPUT AC1INPUT AC1 INPUT AC2INPUT AC2 INPUT Off-mode power consumption : 32.5mW RELAY1 362-8101-00 420-0001-00 2mA -> PC123X2YFZ0F TLP170J/TP/F @ OFF-MODE=5V 1.1k 6.8k <- 3.9mA...
  • Page 25 PACKING Leaflet お 願 いﾁﾗｼ (D only) Top Board (859-1015-00) 天地当板 (803-0033-14) Accessories Case 付属品ｹｰｽ (801-0287-00) Top Pad(Rear) ﾄｯﾌﾟﾊﾟｯﾄﾞ/後部 Protective Cover (803-0329-10) 保護ｶﾊﾞ (810-4545-04) U/E type: Cover for AC Cord 保護ｶﾊﾞ/電源ｺｰﾄﾞ Top Pad(Front) (810-2030-04) ﾄｯﾌﾟﾊﾟｯﾄﾞ/前部 (803-0328-10) Poly Bag for Battery ﾋﾞﾆｰﾙ袋...
  • Page 26 － ２５ －...

  • Page 27: Specifications

    SPECIFICATIONS [Guaranteed specifications measured according to JEITA standard CP-2402A.] CD 標 準ﾌｫｰﾏｯﾄ Quantization: 16 bits 量 子 化 数 ：16ﾋﾞｯﾄ Sampling frequency: 44.1kHz ｻﾝﾌﾟﾘﾝｸﾞ周 波 数 ：44.1kHz Error correction principle:CIRC ｴﾗｰ 訂 正 方 式 ：CIRC Number of channels: ﾁｬﾝﾈﾙ 数 ：2ﾁｬﾝﾈﾙ...