background image

24

UP

UP

LOW

LOW

UP

UP

LOW

LOW

WH

RD

8U-110132-1

EQ/INPUT UNIT

63101013210AD

WH

BK

RD

BU

BK

JV55

JV64

Z701

JV66

7.5

JV67

JV69

12.5

JV70

7.5

JV71

JV72

12.5

JV77

12.5

7.5

JV78

22.5

JV79

17.5

JV81

JV82

N061

1

K303

K304

K305

7.5

JV90

25.0

JV92

JV93

7.5

JV94

JV95

N0631

N0641

N0661

L701

L702

L703

L704

R303

R304

R305

R306

R307

R308

R309

R310

R311

R312

R313

R314

R315
R316

R317

R318

R319

R701

R702

R703

R704

R705

R706

R707

R320

R708

R321

R709

R322

R323

R324

R325

JV101

R326

R327

R328

R710

R329

R71

1

JV105

R712

JV106

R713

R714

R715

JV109

R716

R717

R330

R718

R719

JV110

JV111

JV112

R720

JV114

R721

JV115

R722

R723

R724

R725

N031

1

R726

R727

C303

R728

C304

R729

C305

C306

C307

C308

JV120

C309

JV121

R730

R731

R732

R733

7.5

JV127

R734

C310

R735

C31

1

N0321

R736

C312

R737

C313

R738

C314

R739

C315

C316

C317

C318

25.0

JV130

C319

C701

15.0

JV131

C702

7.5

JV132

C703

R740

C704

C705

12.5

JV135

C706

C707

C320

C708

C321

C709

C322

C323

C324

C325

S301

C326

S302

C327

S303

C328

C710

S304

C329

C711

S305

C712

S306

C713

S307

C714

S308

C715

S309

C716

C717

C330

C718

C331

C719

12.5

JV149

C332

C333

C334

C335

C336

C337

C338

C720

C339

C721

C722

C723

C724

S701

15.0

JV155

12.5

JV156

C727

15.0

JV157

C340

C728

15.0

JV158

7.5

JV1

15.0

JV159

25.0 JV2

7.5

JV3

JV4

C345

7.5

JV5

C346

C347

C348

12.5

JV160

C731

7.5

JV9

15.0

JV161

C732

15.0

JV162

7.5

JV166

N0371

D301

D302

D303

D304

D305

D306

D307

D308

D309

N151

1

D701

D702

JV10

JV11

20.0

JV12

20.0

JV13

JV14 7.5 JV15

7.5

JV16

JV17

7.5

20.0

JV18

JV19 7.5

12.5

J101

J102

J103

J104

20.0

JV20

7.5

J105

JV21

7.5

J106

20.0

JV22

J107

J108

JV24

J109

7.5

7.5 JV37

7.5

JV38

R741

R742

J111

7.5

J112

7.5

J113

7.5

Z702

Z703

7.5

JV6

Z101

1

U301

U302

U303

U304

U701

Q701

Q702

Q703

Q704

Q705

Q706

EQ/INPUT

(FOIL SIDE)

uCOM

(FOIL SIDE)

EQ/INPUT

(COMPONENT SIDE)

uCOM

(COMPONENT SIDE)

I

O G

I

O G

B

E

8U-110132-2 uCOM UNIT

BU

BU

YL

12.5

JV40

12.5

JV41

12.5

JV42

25.0

JV43

22.5

JV44

20.0

JV45

JV46

JV47

25.0

JV48

JV49

JV50

JV51

JV52

20.0

JV53

JV54

22.5

JV56

JV57

JV58

15.0

JV59

7.5 JV60

7.5

JV61

JV62

17.5

JV63

JV65 JV68

17.5

JV75

25.0

JV76

N0410

20.0

JV80

25.0

JV83

15.0

JV84

22.5

JV85

22.5

JV86

JV87

JV88

12.5

C601

17.5

JV89

C602

C603

C604

C605

C606

R642

C607

R643

C608

R644

C609

25.0

JV91

R646

25.0

JV96

JV97

C610

JV98

N0620

C611

X601

15.0

JV99

C612

C613

C614

C615

C616

C617

C619

C620

C621

C622

C623

C624

S601

C627

C628

C629

C630

C631

C632

C633

C634

C635

C636

C637

R673

C638

R674

C639

C640

C641

C642

C643

C644

C645

C646

C647

C648

N1210

R687

R688

R689

R690

C655

C657

R695

C659

R696

R697

R698

N0670

D606

D607

D608

D609

D610

D61

1

D612

D617

D618

D619

N0690

J601

J602

J603

J604

D651

17.5

JV100

Z601

Z602

12.5

JV102

Z603

JV103

Z604

7.5 JV104

Z605

25.0

JV107

7.5

JV108

7.5

JV113

JV1

16

JV117

U604

JV1

18

U605

JV1

19

JV122

12.5

JV123

JV124

N0510

JV125

22.5

JV126

JV128

12.5

JV129

7.5

JV133

JV134

JV136

7.5

JV137

JV138 JV139

15.0

JV140

JV141

25.0

JV142

20.0

JV143

7.5

JV144

N0530

15.0

JV145

22.5

JV146

17.5

JV147

25.0

JV148

JV150

JV151

15.0

JV152

7.5

JV153

15.0

JV154

N0540

JV163

JV164

JV165

15.0 JV167

JV168

N0360

7.5

JV169

15.0

JV170

JV171

JV172

N1310

12.5

JV184

N1510

Q618

JV25

12.5

7.5

JV26

17.5

JV27

7.5

JV28

B601

7.5

JV29

B602

7.5

JV30

7.5

JV31

JV32

JV33

JV34

12.5

JV35

7.5

JV36

15.0

JV39

Z606

1

U601

U602

U603

R601

R602

R603

R604

R605

R606

R607

R608

R609

R610

R611

R612

R613

R614

R615
R616

R617 R618 R619 R620 R621

R622

R623 R624

R625 R626 R627 R628

R629

R630

R631

R632

R633

R634

R635 R636

R637

R638

R639

R640

R641

R645

R647

R648

R649

R650

R651

R652

R653

C618

R654

R655

R656

R657

R658

R659

R660

C625

R661

C626

R662

R663

R664

R665

R666

R667

R668

R669

R670

R671

R672

R675

R676

R677

R678

R679

R680

R681

R682

R683

R684

C649

R685

R686

C650

C653

C654

R691

C656

R692

R693

C658

R694

C660

D601

D602

D603

D604

D605

D613

D620

D621

D622

D623 D624

D625

D626

D627

D652

D653

Q601

Q602

Q603

Q604

Q605

Q606

Q607

Q608

Q609 Q610

Q61

1

Q612

Q613

Q614

Q615

Q616

Q617

Q619

Q620

Q621

Q622

Q623

Q624

Q625

Q626

Q627

Q628

Q629

Q630

Q631

Q632

Q633

Q634

Q635

Q636

Q637

Q638

Q639

Q640

Q641

Q642

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

M

L

K

J

I

H

G

F

E

D

C

B

A

鉛フリー半田

半田付けには、鉛フリー半田 (Sn-Ag-Cu) を使用してください。

Lead-free Solder

When soldering, use the Lead-free Solder (Sn-Ag-Cu).

PRINTED WIRING BOARDS

Содержание PMA-2020AE

Страница 1: ...E1K EUT PMA 2020AE P P INTEGRATED AMPLIFIER Ver 2 S0569 1V02DM DG1210 Some illustrations using in this service manual are slightly different from the actual set Please use this service manual with ref...

Страница 2: ...not be turned on Power indication LED does not light 20 2 The power turned on but a sound does not output normally Both channels 20 3 The power turned on but a sound does output normally Single chann...

Страница 3: ...can do with this manual Search for a Ref No phrase Ctrl Shift F You can use the search function in Acrobat Reader to search for a Ref No in schematic diagrams printed wiring board diagrams block diagr...

Страница 4: ...ng Adobe Reader 9 On the Document menu click Sign Magnify schematic printed wiring board diagrams 1 Ctrl Space mouse operation Press Ctrl Space on the keyboard and drag the mouse to select the area yo...

Страница 5: ...reen Example using Adobe Reader 9 On the Tools menu point to Select Zoom and then click Pan Zoom Window Magnify schematic printed wiring board diagrams 3 Loupe Tool function The Loupe Tool function le...

Страница 6: ...ortant safety parts that are indicated by the z mark on schematic diagrams and parts lists be sure to use the designated parts Be sure to mount parts and arrange the wires as they were originally plac...

Страница 7: ...RC Composition RS Metal oxide film RW winding RN Metal film RK Metal mixture P Pulse resistant type NL Low noise type NB Non burning type FR Fuse resistor F Lead wire forming 2B 1 8 W 2E 1 4 W 2H 1 2...

Страница 8: ...47 k SOURCE DIRECT OFF 135 mV 23 k SOURCE DIRECT ON RIAA Deviation PHONO 20 Hz 20 kHz 0 5 dB Maximum Input PHONO MM 130 mV 1 kHz PHONO MM 10 mV 1 kHz Rated Output PRE OUT 0 9 V Input CD 135 mV n n Ove...

Страница 9: ...orm adjustment or parts replacement etc be sure to rearrange them neatly as they were originally bundled or placed afterward Otherwise incorrect arrangement can be a cause of noise generation Wire arr...

Страница 10: ...10 Wire arrangement viewed from the bottom Front Panel side Back Panel side...

Страница 11: ...TER UNIT and EXPLODED VIEW INPUT UNIT Ref No of EXPLODED VIEW 1 1 PH CD TER UNIT Ref No of EXPLODED VIEW 3 7 BOTTOM COVER Refer to DISASSEMBLY 5 BOTTOM COVER and EXPLODED VIEW DIODE UNIT Ref No of EX...

Страница 12: ...ere taken Photographs for which no direction is indicated were taken from above the product 1 REMOTE I O UNIT 1 Disconnect the connector wire then remove the screw 2 P AMP L UNIT 1 Disconnect the conn...

Страница 13: ...13 2 Remove the screws 3 Remove the screws then remove the solder...

Страница 14: ...14 3 INPUT UNIT and PH CD TER UNIT 1 Disconnect the connector wires 2 Remove the screws TOP COVER INPUT UNIT and PH CD TER UNIT SIDE COVER R Proceeding...

Страница 15: ...15 4 P AMP R UNIT 1 Remove the screws 2 Disconnect the connector wires then remove the screws Remove the solder TOP COVER P AMP R UNIT Proceeding...

Страница 16: ...onnect the connector wire 2 Remove the screws 3 Remove the screws 4 Loose the Cord holders then disconnect the connector wires TOP COVER FRONT PANEL ASSY SIDE COVER L R Proceeding N0611 Direction of p...

Страница 17: ...onnect the connector wire Please refer to EXPLODED VIEW for the disassembly method of each P W B included in PANEL FRONT ASSY 6 BOTTOM COVER 1 Remove the screws TOP COVER BOTTOM COVER SIDE COVER L R P...

Страница 18: ...18 7 CE33W 123M 1 Cut the wire clamp bands 2 Remove the screws 3 Remove the screws TOP COVER BOTTOM COVER SIDE COVER L R CE33W 123M Proceeding Direction of photograph D cut...

Страница 19: ...IDLING CURRENT Setup 1 Lay the unit at an ordinary position away from a direct current from an air condition or fan Do the adjustment at a temperature between 15 C 59 F and 30 C 86 F 2 Set control as...

Страница 20: ...lied to the coil of the standby transformer T101 Check the power amplifier output s offset voltage Check the power amplifier output s offset voltage Power not supplied Offset voltage output is 1V or g...

Страница 21: ...rtment Check the voltage of each department Check the operation of the switching relay and speaker relay Check the operation of the switching relay and speaker relay Check the Signal line Check the Si...

Страница 22: ...22 BLOCK AND LEVEL DIAGRAM AUX NETWORK...

Страница 23: ...23 WIRING DIAGRAM...

Страница 24: ...0 JV59 7 5 JV60 7 5 JV61 JV62 17 5 JV63 JV65 JV68 17 5 JV75 25 0 JV76 N0410 20 0 JV80 25 0 JV83 15 0 JV84 22 5 JV85 22 5 JV86 JV87 JV88 12 5 C601 17 5 JV89 C602 C603 C604 C605 C606 R642 C607 R643 C608...

Страница 25: ...909 R910 R911 R912 R913 R914 R915 R916 R917 R918 R919 R920 R921 R922 R923 D901 D902 D903 D904 D905 D906 D907 D908 D909 D910 D911 D912 Pri Sec 8U 110132 4 INPUT SEL SW UNIT D951 D952 D953 D954 D955 D95...

Страница 26: ...B0371 12 5 JV38 25 0 JV39 Q509 Q511 Q513 N0550 R557 C559 C561 R581 R593 C571 R579 J305 C503 R577 R583 R587 JV10 C545 C547 JV46 15 0 JV5 Z505 R501 R509 R513 R515 R551 J501 1 1 B E B E C B E C B E B E...

Страница 27: ...5 JV87 JV88 7 5 JV89 K306 K307 R471 R472 R473 R474 R479 R480 C471 C472 C477 C478 7 5 J301 7 5 J302 N0630 N0640 1 Q904 8U 110133 7 DIODE UNIT B B GND WHT RED BLK BLU YEW B810 B812 B813 B814 C801 C802...

Страница 28: ...7 R438 25 0 JV78 R439 R440 R441 R442 R443 22 5 JV83 R444 25 0 JV84 R445 R446 15 0 JV86 R447 17 5 JV87 R448 R449 R450 25 0 JV90 R451 JV91 7 5 R452 JV92 7 5 R453 JV93 R454 7 5 JV94 JV95 12 5 JV96 R457 1...

Страница 29: ...904 10K R902 120K C901 0 01 ROTARY SW S901 10 11 12 1 2 3 4 5 6 7 8 9 13 D904 Q902 KRA102S R908 3 9K R911 2 2K Q901 KRA102S 1 8K R922 D956 R907 1 5K R913 100 D902 R910 1 5K 00D2050452017 STYLE PIN Z90...

Страница 30: ...EN Z604 DTC114TK Q620 R645 10K J603 SHORT D619 1A3 E J604 SHORT C644 0 22 50 R680 47K R602 0 KRC102S Q630 KRA102S Q631 C647 OPEN D613 KDS160 Q611 KRC102S Q635 2SC4081 6P PH 1 2 3 4 5 6 12P PH N1210 12...

Страница 31: ...15 R549 47 1W R517 1 5K AMRS R593 OPEN KTC3423 Y U PH Q514 3 3K AMRR R501 N524 4 Q521 OPEN D512 1SS133 B51 1 R594 OPEN N0550 5P EH IM 1 2 3 4 5 M3_TO P N014 C537 220 50 RFS A R581 V06QB502T 1 2 3 R512...

Страница 32: ...1 100P LP K301 6 4 K301 8 5 330K AMRS R301 OPEN C726 J303 OPEN 5 C302 100P LP 3P EH IM N0320 1 2 3 330K AMRS R302 R480 470 N0640 6P EH IM 1 2 3 4 5 6 J302 OPEN R474 1M N0630 6P EH IM 1 2 3 4 5 6 C478...

Страница 33: ...A R451 47 1W _AMRA R453 47 1W _AMRA R452 47 1W _AMRA R448 CQ39P FAS C432 CQ39P FAS C431 CQ4700P LP C434 CQ4700P LP C435 CQ4700P LP C436 CQ4700P LP C433 CQ0 01 LP C426 CQ0 01 LP C425 5 6K AMRS R439 5 6...

Страница 34: ...7 119 119 71 71 39 40 41 38 11 11 103 31 103 111 101 89 33 10 32 48 43 102 101 50 80 46 46 50 101 101 121 101 101 101 114 110 118 44 117 68 118 118 44 117 118 65 73 67 16 67 21 5 118 73 9 8 58 58 102...

Страница 35: ...sp BUSH 4 11 nsp BUSH 1 12 nsp BUSH 1 13 40631008207AD BACK PANEL 1 14 nsp 4P TERMINAL ASSY 2 15 nsp WIRE CLAMPER 22 16 00D4411795007 PLATE T C 1 17 nsp TERMINAL ASS 1 18 nsp PWB BRACKET 2 19 nsp LOCK...

Страница 36: ...P 4 117 nsp 3X8 CFTS S Z 4 118 nsp SPECIAL SCREW 16 119 nsp 4X10 CBTS S B 8 120 0RD4770276005 EARTH SCREW 2 121 nsp 3X8 CPS SW W BK 1 WIRE 301 nsp 1P CONT ASSY 1 302 nsp 1P CONT ASSY 1 303 nsp 1P CON...

Страница 37: ...No Part No Part Name Remarks Q ty New SEMICONDUCTORS GROUP 201 53121010703AD CARTON CASE 1 202 nsp CABINET SHEET 1 203 53361005412AD CUSHION ASSY 1 204 535510005008D ENVELOPE ZIPPER A4 1 54311021401A...

Страница 38: ...N x tal 8MHz 3 XOUT x tal 8MHz 4 TEST I to VSS VDD 5 VDD to VDD 6 P21 XTIN O LED R 7 P22 XTOUT O LED G 8 RESET I reset 9 P20 INT5 STOP I Stop mode cancellation 10 P00 INT0 I ASO protector 11 P01 PDO4...

Страница 39: ...e 29 P33 AIN3 AI function A 30 P34 AIN4 STOP2 O muting 31 P35 AIN5 STOP3 O sp output A not use 32 P36 AIN6 STOP4 O NETWORK LED relay drive 33 P37 AIN7 STOP5 I THERMAL DC protector 34 VAREF to VDD 35 A...

Страница 40: ...lifier Output 3 TRIN External Trigger Input 4 GND Ground 5 CAP_D Delay Time Capacitor 6 RES_D Delay Time Resister 7 OUT DC Output 8 V Supply Voltage Block Diagram and Sample Application Circuit VCC IN...

Страница 41: ...ANK Y 1 Q0619 0620 00D2690088906 DTC114TKT96 C 1 Q0621 00D2690192902 KRC102S RTK P 10K 10K 1 Q0622 00MHX300012AY 2SC4081 Q R 2SC4116 Y GR 1 Q0623 0624 00D2690192902 KRC102S RTK P 10K 10K 1 Q0625 00MHX...

Страница 42: ...0 133050078403S CQ93P2D100K FAS 1 C0341 00D2561054001 CF93B1H105K GSG 1 C0342 133050076599S CQ93M2E103J LP 1 C0347 0348 133050074500S CQ93M2E101J LP 1 C0601 00D2544573981 CE04W1H100MT RA3 1 C0602 1330...

Страница 43: ...TAPE JP 1 K0303 643810029001S RCA PIN JACK 2P AU MSP 242V3 12 GILT LF 1 K0304 0305 643810028008S RCA PIN JACK 4P AU MSP 244V4 17 GILT LF 1 L0701 0704 00D2359003002 FTZ CHOKE COIL E2 E1C 1 N0210 nsp CO...

Страница 44: ...0AD STANDBY TRANS E2 E2 E1C 1 z T0101 10101016600AD STANDBY TRANS JP JP 1 X0601 00MFQ08004061 CSTS MG 8MHZ TAPING 15PF 1 Z0101 nsp M3 SCREW TERMINAL 1 Z0601 nsp STYLE PIN 1 Z0603 nsp STYLE PIN 1 Z0702...

Страница 45: ...84907 KRA102S RTK P 10K 10K 1 U0201 00D2630743007 NJM2082DD 1 U0901 00D2623602003 GP1UE271XKVF 1 U0902 00D3991126003 GP1UE261XKVF 1 RESISTORS GROUP z R0227 0228 00MGG0522016X 22 OHM 5 1 6W FLAMERETERD...

Страница 46: ...0524 00D2544703719 CE04W1H221MC RFS A 1 C0525 0526 00D2556188005 CQ09S2B103JF PPSC 1 C0527 0528 133050074500S CQ93M2E101J LP 1 C0529 0534 133050076599S CQ93M2E103J LP 1 C0537 0540 00D2544703719 CE04W1...

Страница 47: ...1 nsp B12B PH K S LF SN 1 z S0101 66105000300AS POWER SWITCH TV 5 1 S0201 665010010005D 1P PUSH SWITCH 6 2 1 S0251 00D2140127003 RELAY RY 12W 1 S0551 0552 00D2140195006 RELAY FTR F1 1 S0602 6650100100...

Страница 48: ...00D2412475904 RD14B2E105JT AMRS 1 R0423 0424 00D2412466926 RD14B2E221JT AMRS 1 R0425 0426 00D2412471940 RD14B2E333JT AMRS 1 R0427 0428 00D2412471982 RD14B2E473JT AMRS 1 z R0429 0432 00D2442695929 RS14...

Страница 49: ...50076599S CQ93M2E103J LP 1 C0841 0844 00D2544703748 CE04W1H102MC RFS A 1 OTHERS PARTS GROUP z F0821 0822 00D2061093012 FUSE 25RF 3 15A F006 1 N0250 nsp 2P PLUG B2P3S VH 1 N0260 nsp 2P PLUG B2P3S VH 1...

Страница 50: ...50 Personal notes...

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