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Tascam 302mkII, Руководство по обслуживанию

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2

1

3

4

5

6

7

B

A

C

D

E

» 

SCHEMATIC DIAGRAM

302

MK

II

MAIN PCB (2/2)

（Page 2/7）

-7V

A

C

B

-7V

+7V

-7V

GND

1 Mecha

2 Mecha

RE
CM1

SLV

DUB

1/2

PLAYM1

SLV

MST

MST

SLV

HS

METAL

1

Cr1

RECM1

PLAYM1

HS

DUB

1/2

METAL1

Cr1

B/C/OF

F

1

B/C/OFF1

B/C/OFF2

RECM2

PLAYM2

DUB

HS

METAL2

Cr2

PARA

MST

B/C/OFF2

Cr2

METAL2

PLAYM2

RECM2

PARA

LINE IN Lch1

SLV OUT Lch1

LINE IN Rch1

SLV OUT Rch1

LINE OUT Lch1

LINE OUT Rch1

LINE IN Lch2

LINE IN Rch2

LINE OUT Lch2

LINE OUT Rch2

to LEVEL VR Lch2

to LEVEL VR Rch2

LINE IN Lch2 from LEVEL VR

LINE IN Rch2 from LEVEL VR

PB IN Lch2

PB IN Rch2
REC SIGNAL Lch2

REC SIGNAL Rch2

to LEVEL VR Lch1

to LEVEL VR Rch1

LINE IN Lch1 from LEVEL VR

LINE IN Rch1 from LEVEL VR

PB IN Lch1

PB IN Rch1

REC SIGNAL Lch1

REC SIGNAL Rch1

LINE

  IN Lch1

LINE IN Rch

1

NR REC OUT Lch2

NR REC OUT Rch

2

NR REC OUT Lch

2

NR REC OUR Rc

h

2

REC SIG.

Rch2

REC SIG. Lch2 REC SIG. Rch2

REC SIG.

Lch2

HS METAL

HS Cr

HS NORMAL

LS METAL

LS Cr

LS NORMAL

HS METAL

HS Cr

HS NORMAL

LS METAL

LS Cr

LS NORMAL

-7V

+7V

SLV

+5V

+5V

GND

GND

+12V

POWER MUTE

PLAY/*REC2

PLAY/*REC1

PLAY/*REC1

PLAY/*REC2

+5V

+5V

To 2/1

To 2/1

To 2/1

To 2/1

To 2/1

PLAYM2

B/C/OFF1

B/C/OFF2

MODE 2

MODE 1

SLV,MST

LINE OUT Rch1

LINE O

U

T

  Lch1

PLAYM2

PB IN Rch2

DUB,HS,1/2

Lch

Lch

B/C/OFF

C

B

OFF

COMMON

SEVERAL

COMMON/SEVERAL

Vcc

-7V

GND

Vcc

-7V

4051&4052

3

1

LINE IN 1

LINE OUT 1

SLAVE OUT

LINE IN 2

LINE OUT 2

12

10

+7V

+12V

+7V

+5V

-7V

-7V

Op Amp

MASTER

SLAVE

OFF

SLV

MST

0

0

5

0

0

5

U104,107,109,304

U108,110

1

2

3

4

5

6

7

8

9

1

2

3

4

5

6

7

1

2

3

4

5

6

7

8

1

2

3

4

5

To AN_SW PCB P802

To AN_SW PCB P803

To AN_SW PCB P804

To AN_SW PCB P801

Rch

Rch

POWER MUTE

REC VR Lch 1
REC VR Rch 1

LINE IN Lch1

REC VR Lch 1

REC VR Rch 1

LINE IN Rch1

LINE OUT Lch1

LINE OUT Rch1

(ML)

(ML)

(ML)

(ML)

(ML)

(ML)

(ML)

(ML)

TP21

TP11

TP41

TP31

10

GND

N.C.

Vee

Vss

Vee

PITCH CON1

PICHI CON2

9

+5V

+5

-7

+7

+7V

7

8

8

16

+7V

8

4

4

5

R106

8.2K

R105

2.2K

R127
2.2K

R229

5.6K

R135

18K

R139

27K

R146

100K

R147

27K

R154

27K

R160

36K

R165

47K

R331

24K

R335

18K

R339

27K

R347

27K

R354

27K

R360

36K

R365

47K

R306

8.2K

R307

10K

R327

2.2K

R429

5.6K

C112
0.47/50

C212

0.47/50

U104

BU4051BC

13

14

15

12

1

5

2

4

6

11

10

9

3

X0

X1

X2

X3

X4

X5

X6

X7

INH

A

B

C

X

U109

BU4052BC

12

14

15

11

1

5

2

4

6

10

9

13

3

X0

X1

X2

X3

Y0

Y1

Y2

Y3

INH

A

B

X

Y

U304

BU4051BC

13

14

15

12

1

5

2

4

6

11

10

9

3

X0

X1

X2

X3

X4

X5

X6

X7

INH

A

B

C

X

L201

MPX

3

2

1

6

IN

2

1

OUT

Q201

2SC2144S

Q103

DTA124ES

Q109

DTC124ES

Q208

2SC1815GR

Q301

2SD2144S

Q303

DTA124ES

R168

27K

D106

1N4003

J101

RCA2X3

J102
RCA2X2

U110A

NJM4558D

2

3

1

U110B

NJM4558D

6

5

7

R368

27K

R41

22K(B)

Q104

DTA124ES

Q304

DTA124ES

R21

22K(B)

R11

22K(B)

R104
2.2K

U108A
NJM5532D

2

3

1

U108B NJM5532D

6

5

7

Q401

2SD2144S

Q110

2SC1815GR

K101

HX2-12V

Q101
2SD2144S

R175

2.2K

R176
2.2K

R301
47K

Q305

DTC124ES

Q107

DTC124ES

Q112

DTC124ES

Q106

DTA124ES

R101

47K

Q105

DTC124ES

R369

8.2K

L102

TRAP_COIL

1

2

3

6

4

L302

TRAP_COIL

1

2

3

6

4

L402
TRAP_COIL

1

2

3

6

4

R277

1K

R278
1K

R177

1K

R178

1K

Q214

2SC1815GR

Q114

2SC1815GR

R103

10K

D105

1SS133

D104

1SS133

R179

1K

R180

1K

R379

1K

R380

1K

Q108

2SC1815GR

R181

10K

R182

10K

R183

15K

R382
10K

R383

15K

Q312

DTC124ES

D107

1SS133

D307 1SS133

R169

8.2K

D103

1SS133

C531

0.047(CC)

Q102

2SD2144S

Q202

2SD2144S

Q302

2SD2144S

Q402

2SD2144S

P110

7P-XH

P109

8P-XH

P108

5P-XH

R130

27K

R131

24K

R132

39K

R133

33K

R134

62K

R136

33K

R137

16K

R138

10K

R140

91K

R141

10K

R142

47K

R143

12K

R144

12K

R148

33K

R149

22K

R150

36K

R151

24K

R152

27K

R153

47K

R155

15K

R156

18K

R157

24K

R158

27K

R159

47K

R161

11K

R162

18K

R163

22K

R164

27K

R332

39K

R333

33K

R334

62K

R336

33K

R337

16K

R338

10K

R340

91K

R341

10K

R342

47K

R343

12K

R344

12K

R345

18K

R348

33K

R349

22K

R350

36K

R351

24K

R352

27K

R353

47K

R355

15K

R356

18K

R357

24K

R358

27K

R359

47K

R361

11K

R362

18K

R363

22K

R364

27K

C117
220P

C217

220P

C417
220P

C115

1/25

C102

10/25

C108

4.7/50

C208

4.7/50

C201

1/50

C111

10/25

C211

10/25

C315

1/50

C401

1/50

C302
10/25

C402

10/25

C311

10/25

C411

10/25

C313

10/25

C314

10/25

C113

10/25

C114

10/25

C101

1/50

C318

2.2/50

C118

2.2/50

C408

4.7/50

C308

4.7/50

C107

2.2

/50

C307

2.2/50

C312

0.47/50

C412

0.47/50

R110

100K

R108

2.7K

R114

100K

R116

1K

R216

1K

R208

2.7K

R209

6.2K

R102

20K

R214

100K

R126

10K

R226

10K

R228
5.6K

R366

10K

R309

6.2K

R310

100K

R316

1K

R409

6.2K

R410

100K

R326

10K

R426

10K

R328

5.6K

R329

5.6K

R122

10K

R222
10K

R115

220

R215

220

R315

220

R223

10

R425

4.7K

R325

4.7K

R225

4.7K

R125

4.7K

R415

220

R167

10K

R166

10K

R367
10K

R427

2.2K

R428

5.6K

R330

27K

R31

22K(B)

R414

100K

R314

100K

R128

5.6K

R129

5.6K

R123
10

R408

2.7K

Q307

DTC124ES

Q313

DTA124ES

Q113

DTA124ES

R109
6.2K

C410

10/25

C310

10/25

U303

CXA1598S

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

fXQ

f/Q

fM

FP CAL

DGND

REC MUT

E

REC IN1

GND

BOOST1

VEE

REC OUT1

REC OUT2

VCC

BOOST2

IREF

REC IN2

REC CAL

GH CAL

GP CAL

GL

GH

GP

U103

CXA1598S

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

fXQ

f/Q

fM

FP CAL

DGND

REC MUT

E

REC IN1

GND

BOOST1

Vee

REC OUT1

REC OUT2

Vcc

BOOST2

IREF

REC IN2

REC CAL

GH CAL

GP CAL

GL

GH

GP

U101

CXA1561S

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

IREF

PBIN2

LINEIN2

MPXIN2

MPXOUT2

LINEOUT2

TCH2

TCL2

RECOUT2

NRSW

VEE

VCC

MODE

RECOUT1

TCL1

TCH1

LINEOUT1

MPXOUT1

MPXIN1

LINEIN1

PBIB1

VCT

C207
2.2/50

R210

100K

C202

10/25

L202

TRAP_COIL

1

2

3

6

4

L101
MPX

3

2

1

6

IN

2

1

OUT

R107

10K

R302

20K

C407

2.2/50

L401 MPX

3

2

1

6

IN

2

1

OUT

L301

MPX

3

2

1

6

IN

2

1

OUT

R308

2.7K

C317

220P

CXA1561S

U301

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

IREF

PBIN2

LINEIN2

MPXIN2

MPXOUT2

LINEOUT2

TCH2

TCL2

RECOUT2

NRSW

VEE

VCC

MODE

RECOUT1

TCL1

TCH1

LINEOUT1

MPXOUT1

MPXIN1

LINEIN1

PBIB1

VCT

C301

1/50

R184

10K

C110

10u/25V

C210

10u/25V

D309

1SS133

R416

1K

Q315

DTC124ES

D301

1SS133

D302

1SS133

R384

10K

U107

BU4052BC

12

14

15

11

1

5

2

4

6

10

9

13

3

X0

X1

X2

X3

Y0

Y1

Y2

Y3

INH

A

B

X

Y

R285

10K

R185

10K

R227

2.2K

C106

0.068

C105

0.1

C205

0.1

C206

0.068

C305

0.1

C306

0.068

C405

0.1

C406

0.068

R346

100K

R145

18K

R385

10K

Q306

DTA124ES

P107

10P-XH

P12

4P PLUG-EH

1

2

3

4

P14 3P PLUG-EH

1

2

3

P13 3P-PH

1

2

3

Double Auto Reverse Cassette Deck

302

MK

II

1 st Issue; January 2002

Содержание 302mkII

Страница 1: ...LIST 13 5 PC BOARDS AND PARTS LIST 18 6 INCLUDED ACCESSORIES 24 1 2 2 4 3 11 4 13 5 18 6 24 Double Auto Reverse Cassette Deck INSTRUCTIONS FOR SERVICE PERSONNEL BEFORE RETURNING APPLIANCE TO THE CUST...

Страница 2: ...T CONTROL 3 5 mm mini jack REMOTE IN FROM RC 322A 2 5 mm mini mini jack Power Requirements USA Canada General Export Model 120 230 V AC 50 60 Hz switchable U K Europe 230 V AC 50 Hz Australia 240 V AC...

Страница 3: ...ation Better than 30 dB at 1 kHz Erase Ratio Better than 65 dB at 1 kHz Applicable Electromagnetic Environment E4 Peak Inrush Current 1 2 A Accessories Rack mounting screw kit x 1 In these specificati...

Страница 4: ...Load a MTT 111N test tape and play in FWD direction the begining of the test tape 3 Adjust each variable resistor on the MAIN PCB Fig 2 2 to get the following figures Frequency Counter Wow Flutter Met...

Страница 5: ...Hz 2 1 3 Reel torque 1 Take up torque back tension torque The torque values when the test tape MTT 8111 for measur ing torques is played back should be as follows Take up torque right reel 30 to 70 g...

Страница 6: ...entire tape path 2 In general adjustments and checks are made in the order of Lch then Rch Double REF Nos indicate Lch Rch Example R11 R21 3 0 dB is referenced to 0 775 V 4 The AC voltmeter used in t...

Страница 7: ...MTT 150 Check only PHONES OUT 19 dB 3 dB 61 5 123 mV 6 Playback SN ratio SN Connection Fig 2 3 Leader tape with 70 METAL type case Check only 47 dB min 5 Playback frequency response Connection Fig 2...

Страница 8: ...ontrol MAX REC BAL control Center 400 Hz 19 dB 87 mV Check only LINE OUT 3 5 dB 3 dB 367 731 mV 8 Specified LINE input level Connection Fig 2 3 REC BAL control Center 400 Hz 9 dB 275 mV INPUT control...

Страница 9: ...Fig 2 3 DOLBY NR switch B or C Mode REC 19 kHz 10 Hz 12 dB 195 mV L101 L201 MAIN PCB 30 dB min Ratio of ref level to signal 14 Record level adjustment Connection Fig 2 3 Tape MTT 5513 400 Hz 12 dB 195...

Страница 10: ...ck crosstalk Connection Fig 2 3 Tape MTT 5513 L ch No signal R ch 125 Hz 9 dB 275 mV Check only 30 dB min 14 Bias leakage Connection Fig 2 3 Tape MTT 5513 Mode REC No signal L102 L202 MAIN PCB 40 dB o...

Страница 11: ...2 BIAS TRAP HX PRO 1 2 MECHA1 Erase head BIAS OSC 2 3 1 2 3 1 EXT CONTROL IN OUT 2 3 1 REMOTE RC 322A SLV SLV MASTER OFF 2 1 A CASCADE OUTPUT 10dBV 1 2 1 2 1 2 1 2 1 2 MIX R HP Amp PHONES OUT PHONES M...

Страница 12: ...acitors refer to the circuit dia grams contained in the manual Parts marked with this sign are safety critical components They must be replaced with identical components refer to the appropriate parts...

Страница 13: ...4 EXPLODED VIEWS AND PARTS LIST EXPLODED VIEW 1 13 TASCAM 302MKII...

Страница 14: ...9109026112 AC CORD J 9109025711 AC CORD E 9109027701 AC CORD WLTH FUSE UK 9109029000 AC CORD US C GE 1 10 9121000102 BUSHING 2271 1 11 Vacant 1 12 9260231901 POWER BUTTON 1 13 9260231503 MAIN CHASSIS...

Страница 15: ...EXPLODED VIEW 2 15 TASCAM 302MKII...

Страница 16: ...SUB ASSY 2 18 9260205700 PLATE REFLECT 2 19 9260231403 FL WINDOW 2 20 9260230901 KNOB B 2 21 9260231100 ROTARY SW KNOB 2 22 9260231000 KNOB C 2 23 9260388200 PANEL FRONT 2 24 9260271101 BADGE TASCAM S...

Страница 17: ...REF NO PARTS NO DESCRIPTION REMARKS 3 1 5761793800 PCB CONTROL BLK 3 2 5761790900 MAIN BELT 3 3 5761793700 MOTOR MAIN BLK 3 4 5761792300 MOTOR REEL BLK 3 5 5761791600 PINCH ROLLER ASSY L 3 6 576179150...

Страница 18: ...0 PLUG 5P B5B XH A GATHER PCB A ASSY REF NO PARTS NO DESCRIPTION P109 9143162000 CONNECTOR PLUG 8P B8B XH A P110 9143161000 CONNENTOR PLUG 7P P301 9143235020 PLUG 7P B7B PH K RED P501 9143176000 PLUG...

Страница 19: ...B ASSY REF NO PARTS NO DESCRIPTION P805 9143235040 PLUG 7P B7B PH K YEL P806 9143239000 PLUG 11P B11B PH K Q101 301 9163311520 TR 2SC2240 GR TP Q102 302 9163311520 TR 2SC2240 GR TP Q103 303 9163309420...

Страница 20: ...30300 FL HOLDER GATHER PCB C ASSY REF NO PARTS NO DESCRIPTION J702 9144177000 TERMINAL LAPPING 2P EXCEPT J P500 9143237000 PLUG 9P B9B PH K P501 9143237020 PLUG 9P B9B PH K RED Q501 503 9163310420 DTR...

Страница 21: ...21 TASCAM 302MKII GATHER PCB A MAIN PCB TR1 PCB TR2 PCB TR3 PCB...

Страница 22: ...22 TASCAM 302MKII GATHER PCB B EQ BIAS PCB ANALOG SW PCB PHONE PCB...

Страница 23: ...23 TASCAM 302MKII GATHER PCB C FRONT PCB CONTROL PCB KEY 1 2 PCB TRANS 1 2 PCB POWER SW PCB SW PCB...

Страница 24: ...9101443000 OWNER S MANUAL JPNANESE J 9101443100 OWNER S MANUAL ENGLISH EXCEPT J 9101443200 QUICK START GUIDE ENGLISH E US C GE 9101443300 QUICK START GUIDE FRENCH E US C GE 9101443400 QUICK START GUI...

Страница 25: ...NTS MAIN PCB 1 2 TR1 PCB TR2 PCB TR3 PCB Page 1 7 MAIN 2 2 PCB Page 2 7 ANALOG SW PCB Page 3 7 EQ BIAS PCB Page 4 7 FRONT PCB CONTROL PCB KEY 1 PCB KEY 2 PCB Page 5 7 PHONE PCB Page 6 7 TRANS 1 PCB TR...

Страница 26: ...1 1SS133 D507 1N4003 C517 100 16 R504 1K C524 0 01 CC U509 BA6219 5 6 1 4 8 7 10 2 9 3 FIN RIN GND VREF VCC2 VCC1 OUT2 OUT1 VZ2 VZ1 C529 0 1 CC D521 1N4003 P101 7P PH WHT 100K W Q511 DTC124ES J503 R52...

Страница 27: ...03 10K D105 1SS133 D104 1SS133 R179 1K R180 1K R379 1K R380 1K Q108 2SC1815GR R181 10K R182 10K R183 15K R382 10K R383 15K Q312 DTC124ES D107 1SS133 D307 1SS133 R169 8 2K D103 1SS133 C531 0 047 CC Q10...

Страница 28: ...7K R905 10K R906 68 R907 47K R909 10K R910 68 R911 330K R912 330K R914 100 U801 BU4052 12 14 15 11 1 5 2 4 6 10 9 13 3 X0 X1 X2 X3 Y0 Y1 Y2 Y3 INH A B X Y U803A NJM4558D 2 3 1 U803B NJM4558D 6 5 7 U80...

Страница 29: ...R406 4 7K R410 2 2K Q406 DTC143TS Q408 2SC1815GR C409 1 50 L305 TRAP 100KHz L405 TRAP 100KHz R432 12K C126 10P CC C125 10 25 C118 100 25 C117 0 0047 C116 0 001 C115 0 001 C114 0 015 C113 0 01 PP C313...

Страница 30: ...P SAN 1 2 3 4 5 6 7 R521 RMLS6 103 R520 RMLS6 103 J502 7P SAN 1 2 3 4 5 6 7 J501 1 2 3 4 5 J600 9P SAN 1 2 3 4 5 6 7 8 9 P500 9P PH J650 9P SAN 1 2 3 4 5 6 7 8 9 JP1 JP2 J500 8P SAN 1 2 3 4 5 6 7 8 J5...

Страница 31: ...TO AN_SW PCB P805 4 8 C604 10 25 R601 10K R602 10K R603 10K R604 10K C602 33P CC S61 SW3 R701 10K R702 10K R703 10K R704 10K C702 33P CC C701 220 10 J61 R61 50K A U601A UPC4570C 2 3 1 U601B UPC4570C 6...

Страница 32: ...6 7 8 TO MAIN PCB 1 2 3 4 5 6 7 8 TO MAIN PCB 1 2 3 4 5 6 7 8 J701 J701 J701 J701 J701 N L L L L L N L N N N N 7 8 DC12V 1 0 23A 3 AC3 4V 5 DC30V 6 0 35A 2 C T 4 0 15A 4 0 15A 7 8 DC12V 1 0 23A 2 C T...

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