Yamaha PW8 Service Manual Download Page 20 | Manualshive

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PW8

6

DC ASSEMBLY L

（DC Ass y L）

DC ASSEMBLY L

ＤＣＡｓｓ

ｙＬ

PW8

*

WM163500

DC ASSEMBLY L

ＤＣＡｓｓ

ｙＬ

10

--

HEAT SINK

ヒ

ー

ト

シ

ン

ク

(WM02310)

20

VD80740R

SUPPORT

H=7.5 B=5.5

支

柱

6

01

30

--

CIRCUIT BOARD

DC2 J

Ｄ

Ｃ

２

シ

ー

ト

(WM18630)

40

WE774000

BIND HEAD SCREW

3.0X6 MFZN2W3

小ネジ＋ＢＩＮＤ

6

01

50

V 4 6 4 1 3 0 0

INSULATION SHEET

放

熱

シ

−

ト

06

*

60

WM151100

TRANSISTOR FIXING PLATE

Ｔ

Ｒ

押

え

金

具

70

WE95290R

BIND HEAD SCREW

3.0X10 MFZN2W3

小ネジ＋ＢＩＮＤ

5

01

70

x5

60

50

10

x2

20

x2

20

x2

20

30

x2

40

x2

40

x2

40

REF NO.

PART NO.

DESCRIPTION

部

品

名

REMARKS

QTY

RANK

*

: New Parts

RANK: Japan only

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Summary of Contents for PW8

Page 1: ...ECIFICATIONS 総合仕様 3 DIMENSIONAL DIAGRAM 寸法図 3 PANEL LAYOUT パネルレイアウト 4 CIRCUIT BOARD LAYOUT ユニットレイアウト 5 DISASSEMBLY PROCEDURE 分解手順 6 IC BLOCK DIAGRAM IC ブロック図 10 CIRCUIT BOARDS シート基板図 10 PARTS LIST BLOCK DIAGRAM ブロックダイアグラム CIRCUIT DIAGRAM 回路図 CONTENTS 目次 PA 011911 PW8 POWER SUPPLY 200807 オープンプライス ...

Page 2: ...omponents 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 WARNING This product contains chemicals known to the State of California to cause cancer or birth defects or ...

Page 3: ... Voltage Green LED On 48 V Off less than 32 V Power Consumption 265 W IM8 40 230 W IM8 32 200 W IM8 24 Dimensions Height 100 5 mm Depth 412 mm Width 480 mm Net Weight 11 kg DC OUTPUT DC PARALLEL INPUT 1 2 3 8 9 10 5 4 6 7 3 2 1 10 9 8 6 7 5 4 No Function 1 Power supply remote 2 15 V 3 15 V GND 4 48 V GND 5 15 V 6 12 V 7 12 V GND power supply remote 8 Power supply remote 9 48 V 10 FRAME GND DIMENSI...

Page 4: ...nitor 48V 12V 15V 15V 4 Front Panel フロントパネル 4 0 Rear Panel リアパネル q DC PARALLEL INPUT Connector w DC OUTPUT Connector e AC IN Connector r Ground Screw Terminal q POWER スイッチ w オペレーションモニター 48V 12V 15V 15V q DC PARALLEL INPUT 端子 w DC OUTPUT 端子 e AC IN 端子 r アース用ネジ ...

Page 5: ...5 PW8 CIRCUIT BOARD LAYOUT ユニットレイアウト TOP VIEW FRONT VIEW AC1 DC1 DC2 FRONT PANEL 1 フロントパネル1 DC ASSEMBLY L DC Ass y L DC ASSEMBLY R DC Ass y R AC2 AC3 ...

Page 6: ...束線 DC PARALLEL INPUT 160B x 4 240 x 6 80 x 2 40 x 2 40 x 2 140 x 3 120 x 2 140 x 3 50 50 370 x 4 380A 380B 380C 400 350 370 A The parts marked are power transformer components は電源トランスの構成部品です 40 BIND HEAD SCREW 小ネジＢＩＮＤ 4 0X16 MFZN2W3 SP WE98400R 50 HEXAGONAL NUT ナット６角 M4 1 WG169200 80 BIND HEAD TAPPING SCREW S ＳタイトＢＩＮＤ 3 0X5 MFZN2W3 WE98020R 120 BIND HEAD TAPPING SCREW S ＳタイトＢＩＮＤ 3 0X5 MFZN2W3 ...

Page 7: ...ew marked R70C The DC1 circuit board can then be removed Photo 2 Photo 3 The diode stack and transistor of the DC1 circuit board are in close contact with the insulation sheet Photo 4 Photo 5 DC1 TOP VIEW TRANSISTOR FIXING PLATE A TR 押え金具 A DC ASSEMBLY R DC ASS Y R R70A R70A BIND HEAD SCREW 小ネジＢＩＮＤ 3 0X10 MFZN2W3 WE95290R DC1 LOWER VIEW TRANSISTOR FIXING PLATE B TR 押え金具 B DC ASSEMBLY R DC ASS Y R...

Page 8: ...ACK and TRANSISTOR ダイオードスタックとトランジスタ 3 3 DC2 シート所要時間約 5 分 3 3 1 160B のネジ 4 本を外し DC Ass y L を外します図 1 3 3 2 L70 のネジ 5 本を外し TR 押え金具 C を外します写真 6 3 3 3 L40 のネジ 6 本を外し DC2 シートを外します写真 7 DC2 シートのダイオードスタックおよびトランジスタは放熱シートに密着しています写真 8 Photo 4 写真4 Photo 5 写真5 Photo 6 写真6 Photo7 写真7 Photo 8 写真8 3 3 DC2 Circuit Board Time required About 5 minutes 3 3 1 Remove the four 4 screws marked 160B The DC assembl...

Page 9: ...e four 4 screws marked 350 The DC wiring assembly DC PARALLEL INPUT can then be removed Fig 1 5 3 DC OUTPUT Time required About 3 minutes 5 3 1 Remove the screw marked 380B The earth cable B can then be removed Fig 1 5 3 2 Remove the four 4 screws marked 370 The DC wiring assembly OUTPUT can then be removed Fig 1 6 AC Wiring Assembly Time required About 3 minutes 6 1 Remove the top cover See proce...

Page 10: ... Voltage Supply DC Voltage Supply Output B Inverting Input B Non Inverting Input B Inverting Input A CIRCUIT BOARDS シート基板図 AC1 Circuit Board X8678C0 11 AC2 Circuit Board X8678C0 12 AC3 Circuit Board X8678C0 12 DC1 Circuit Board X8679D0 13 DC2 Circuit Board X8679D0 14 Note See parts list for details of circuit board component parts 注シートの部品詳細はパーツリストをご参照ください ...

Page 11: ...Y ACインレット AC束線 to AC3 CN301 to POWER TRANSFORMER Primary 電源トランス一次側 to DC1 CN103 DC2 CN203 to PS WIRING ASSEMBLY OUTPUT PS束線 OUTPUT to PS WIRING ASSEMBLY PARALLEL INPUT PS束線 PARALLEL INPUT AC1 Circuit Board Component side 部品側 2NA WJ98670 ...

Page 12: ...PW8 12 to DC2 CN202 to AC1 CN102 POWER ON OFF AC2 AC3 2NA WJ98670 AC2 Circuit Board Component side 部品側 AC3 Circuit Board Component side 部品側 ...

Page 13: ...13 PW8 to DC2 CN204 to POWER TRANSFORMER Secondary 電源トランス二次側 to AC1 CN104 to FAN R DCファン R not installed not installed Scale 80 100 DC1 Circuit Board 2NA WJ98680 Component side 部品側 ...

Page 14: ...PW8 14 to DC1 CN101 to POWER TRANSFORMER Secondary 電源トランス二次側 to AC1 CN104 to FAN L DCファン L to AC2 CN201 not installed Scale 80 100 DC2 Circuit Board Component side 部品側 2NA WJ98680 ...

Page 15: ...がの部品はサービス用部品として準備されておりません REMARKS 欄のマークの部品は併用部品です網掛けの付いた PART NO の 2 番目の文字はゼロではなくオーです網掛けの付いた PART NO の 2 番目の文字はイチではなくアイです Notes DESTINATION ABBREVIATIONS A Australian model B British model C Canadian model D German model E European model F French model H North European model I Indonesian model J Japanese model K Korean model M South African model O Chinese model Q South east Asia mod...

Page 16: ... 150a x2 40 x4 410 x4 420 x2 80 x6 240 x2 120 x3 140 x3 140 90 230 250 110 x2 40 x4 160 x4 350 x3 470 x4 370 x2 340 360 460 450 x2 30 30 50 50 50 50 60 70 260 280 290 260 x3 270 320 380 x2 400 380 390 x3 470 x5 470 DC ASSEMBLY R DC Ass y R See page 7 DC ASSEMBLY L DC Ass y L See page 6 ...

Page 17: ...PW8 3 110 130 180 180 150a 150b 60 130 430 70 290 100 320 100 320 320 430 DC ASSEMBLY L DC Ass y L See page 6 DC ASSEMBLY R DC Ass y R See page 7 FRONT SIDE FRONT SIDE ...

Page 18: ...PW8 4 210 290 290 390 380 290 340 360 430 210 210 150a DC ASSEMBLY L DC Ass y L See page 6 150b DC ASSEMBLY R DC Ass y R See page 7 430 REAR SIDE REAR SIDE REAR SIDE REAR SIDE 380 ...

Page 19: ...ングル塗装 2 05 270 WE962000 BIND HEAD TAPPING SCREW B 4 0X8 MFZN2B3 ＢタイトＢＩＮＤ 6 01 280 INSULATION SHEET 絶縁シート WM79650 290 WM185300 CIRCUIT BOARD AC1 ＡＣ１シート J 290 WM185600 CIRCUIT BOARD AC1 ＡＣ１シート U 290 WM185900 CIRCUIT BOARD AC1 ＡＣ１シート H B O A 300 WE98020R BIND HEAD TAPPING SCREW S 3 0X5 MFZN2W3 ＳタイトＢＩＮＤ 6 310 X8970A00 POWER TRANSFORMER トランス J 310 X8971A00 POWER ...

Page 20: ...IRCUIT BOARD DC2 J ＤＣ２シート WM18630 40 WE774000 BIND HEAD SCREW 3 0X6 MFZN2W3 小ネジＢＩＮＤ 6 01 50 V4641300 INSULATION SHEET 放熱シト 06 60 WM151100 TRANSISTOR FIXING PLATE ＴＲ押え金具 70 WE95290R BIND HEAD SCREW 3 0X10 MFZN2W3 小ネジＢＩＮＤ 5 01 70 x5 60 50 10 x2 20 x2 20 x2 20 30 x2 40 x2 40 x2 40 REF NO PART NO DESCRIPTION 部品名 REMARKS QTY RANK New Parts RANK Japan only ...

Page 21: ...00 BIND HEAD SCREW 3 0X6 MFZN2W3 小ネジＢＩＮＤ 6 01 50 V4641300 INSULATION SHEET 放熱シト 2 06 60 WM151100 TRANSISTOR FIXING PLATE ＴＲ押え金具 2 70 WE95290R BIND HEAD SCREW 3 0X10 MFZN2W3 小ネジＢＩＮＤ 8 01 DC ASSEMBLY R DC Ass y R A Detail drawing A 詳細図A 70 70 70 x4 x2 70 x3 60 50 10 30 60 50 20 x2 20 x2 20 x2 40 x2 40 x2 40 REF NO PART NO DESCRIPTION 部品名 REMARKS QTY RANK New Parts RANK Japan on...

Page 22: ...E POST SIDE PH 7P SE ベースポスト CN301 LB933040 CONNECTOR BASE POST SIDE VH 4P SE ベースポスト D101 WD54390R DIODE 1N4004 A0 TE 52 ダイオード 01 D101 WP548300 DIODE 1N4004 F TE 52 ダイオード D102 WD54390R DIODE 1N4004 A0 TE 52 ダイオード 01 D102 WP548300 DIODE 1N4004 F TE 52 ダイオード D103 VB941200 DIODE 1SS133 1SS176 TE ダイオード D104 VB941200 DIODE 1SS133 1SS176 TE ダイオード F101 VK901600 FUSE TL 25...

Page 23: ...ラーコン C214 UR89647R ELECTROLYTIC CAPACITOR 4 7 100 0V RX TP ケミコン 01 217 UR89647R ELECTROLYTIC CAPACITOR 4 7 100 0V RX TP ケミコン 01 C219 UR877470 ELECTROLYTIC CAPACITOR 47 00 63 0V RX TP ケミコン CN101 VB390200 CONNECTOR BASE POST TOP PH 6P TE ベースポスト 01 CN102 LB93203R CONNECTOR BASE POST TOP VH 3P TE ベースポスト 01 CN103 LB93203R CONNECTOR BASE POST TOP VH 3P TE ベースポスト 01 CN104 VB389...

Page 24: ...0 0 1 4 J RX TP 不燃化カーボン抵抗 R112 HV755100 FLAME PROOF C RESISTOR 100 0 1 4 J RX TP 不燃化カーボン抵抗 R114 HF75568R CARBON RESISTOR 1 4W 680 0 1 4 J AX TP カーボン抵抗 01 R115 HF75568R CARBON RESISTOR 1 4W 680 0 1 4 J AX TP カーボン抵抗 01 R117 HF75568R CARBON RESISTOR 1 4W 680 0 1 4 J AX TP カーボン抵抗 01 R118 HF75568R CARBON RESISTOR 1 4W 680 0 1 4 J AX TP カーボン抵抗 01 R119 VC32720R METAL F...

Page 25: ...SISTOR 100 0 1 4 J RX TP 不燃化カーボン抵抗 R248 HF75610R CARBON RESISTOR 1 4W 1 0K 1 4 J AX TP カーボン抵抗 01 R249 HF75710R CARBON RESISTOR 1 4W 10 0K 1 4 J AX TP カーボン抵抗 01 R250 VC32920R METAL FILM RESISTOR 1 4W 15 0K 1 4 F YOKO52 金属被膜抵抗 01 R251 VC32920R METAL FILM RESISTOR 1 4W 15 0K 1 4 F YOKO52 金属被膜抵抗 01 R252 VC32780R METAL FILM RESISTOR 1 4W 3 9K 1 4 F YOKO52 金属被膜抵抗 01 R253...

Page 26: ... X8971A00 POWER TRANSFORMER トランス U X8972A00 POWER TRANSFORMER トランス H B O X8973A00 POWER TRANSFORMER トランス A WIRING ASSEMBLY PS ＰＳ束線 DC PARALLEL INPUT WK72060 WIRING ASSEMBLY PS ＰＳ束線 DC OUTPUT WK72030 WIRING ASSEMBLY AC ＡＣ束線 AC IN WM22420 REF NO PART NO DESCRIPTION 部品名 REMARKS QTY RANK New Parts RANK Japan only ...

Page 27: ...WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed 印の部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 CONTENTS 目次 BLOCK DIAGRAM ブロックダイアグラム 3 CIRCUIT DIAGRAM 回路図 AC1 4 AC2 4 AC3 4 DC1 5 DC2 6 POWER SUPPLY PW8 ...

Page 28: ... sink 25VDC 22000uF 35V 22000uF 35V C105 C106 25VDC Q102N Q103N Q102P Q103P D108 ZD105 ZD106 ZD107 ZD108 ZD204 ZD205 ZD214 ZD215 TO 3P x2 Heat sink TO 3P x2 Heat sink TO 220F x1 Heat sink TO 220F x1 Heat sink PR101 Posistor 15V Regulator 15V Regulator Voltage Detection Voltage Detection Thermal Detection Heat sink Fan L Fan R 24VDC Fan Control 12V Regulator 48V Regulator Voltage Detection Voltage ...

Page 29: ... Brown H B O Blue A Red Gray to Transformer Primary to DC1 CN103 DC2 CN203 to DC2 CN202 Toroidal Transformer Primary Secondary to DC1 CN102 to DC2 CN201 DC OUTPUT M DC PARALLEL INPUT F Rear panel Rear panel 12 48 15 15 Capacitor 規格認定コンデンサー F101 J U T10AL 250V H B O A T6 3AL 250V 2SC5395 V2797700 TRANSISTOR AC1 Q101 1 EMITTER 2 COLLECTOR 3 BASE 1 2 3 1 2 3 ISA1993AS1 WK608600 TRANSISTOR AC1 Q102 10...

Page 30: ...D88620R DIODE STACK 10A 200V DC1 D108 D109 2SD1913 VC407900 TRANSISTOR DC1 Q105 1 BASE 2 COLLECTOR 3 EMITTER 3 2 1 2SC5395 V2797700 TRANSISTOR DC1 Q106 109 1 EMITTER 2 COLLECTOR 3 BASE 1 2 3 1 2 3 2SB1274 VC614000 TRANSISTOR DC1 Q104 1 BASE 2 COLLECTOR 3 EMITTER 1 3 2 3 2 1 ISA1993AS1 WK608600 TRANSISTOR DC1 Q110 113 1 EMITTER 2 COLLECTOR 3 BASE 1 2 3 1 2 3 2SA1386A 2SC3519A V5611000 PAIR TRANSIST...

Page 31: ... WD88620R DIODE STACK 10A 200V DC2 D209 2SC2240 IC224030 TRANSISTOR DC2 Q210 214 1 EMITTER 2 COLLECTOR 3 BASE 2 1 3 1 2 3 2SC5395 V2797700 TRANSISTOR DC2 Q205 208 Q216 1 EMITTER 2 COLLECTOR 3 BASE 1 2 3 1 2 3 2SD1913 VC407900 TRANSISTOR DC2 Q215 1 BASE 2 COLLECTOR 3 EMITTER 3 2 1 2SB1274 VC614000 TRANSISTOR DC2 Q204 Q218 1 BASE 2 COLLECTOR 3 EMITTER 1 3 2 3 2 1 ISA1993AS1 WK608600 TRANSISTOR DC2 Q...

Page 32: ...NO がの部品はサービス用部品として準備されておりません REMARKS 欄のマークの部品は併用部品です網掛けの付いた PART NO の 2 番目の文字はゼロではなくオーです網掛けの付いた PART NO の 2 番目の文字はイチではなくアイです A Australian model B British model C Canadian model D German model E European model F French model H North European model I Indonesian model J Japanese model K Korean model M South African model O Chinese model Q South east Asia model T Taiwan model U U S A mod...

Page 33: ...ーツリスト COMPLETE ASSEMBLY 同梱品セット PSL1010 COMPLETE ASSEMBLY Y 同梱品セット WM95160 20 WM500100 POWER SUPPLY CABLE MH S 電源ケーブル REF NO PART NO DESCRIPTION 部品名 REMARKS QTY RANK New Parts RANK Japan only PW8 PW8 PSL1010 ...

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