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Sanyo DC-DA2000 Service Manual Download Page 18

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PRODUCT SAFETY NOTICE

Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol 

!!!

 and 

 mark in the parts list and the

schematic diagram designated components in which safety and performance can be of special significance. When replacing a component identified by

!!!

 and 

 , use only the replacement parts designated, or parts with the same ratings of resistance, wattage or voltage that are designated in the parts

list in this manual. Leakage-current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply
circuit before returning the product to the customer.

(R)REC SW

PACK SW

NC

(F)REC SW

PLUNGER

INITIALIZE SW

MOTOR

PH1

GND

REEL

CD_L

CD_AGND

CD_R

D_CLK

TU_DO

VOL_DO

VOL_CE

TU_CE

TU_DI

MAIN_MUTE

LID_SW

GND

AC_SENCE

+5.6V

G_REVS

G_FWD

DECK_PACK

INITIALIZE

RELL

PLUNGER

MOTOR

BEAT

REC_MUTE

RECORDING

SURROUND

+9.0V

D_GND

ST_BY

R4820

R4720

R4721

R4825

R4725

C4603

C4601

L4601

L4600

C4600

C4606

R4607

C4608

C4607

R4605

Q4602

C4605

Q4603

R4604

C4604

R4602

C4609

R4606

R4608

L4603

L4604

L4602

C4602

R4603

R4601

R4600

Q4601

IC443

R4751

R4851

R4750

R4850

C4751

C4851

IC440

C4707

R4800

C4700

R4702

C4701

R4700

C4801

C4800

R4802

R4801

R4701

C4702

C4550

C4704

C4551

R4550

C4802

C4556

C4804

C4554

R4551

C4807

C4806

R4552

C4703

R4704

R4804

C4803

C4708

R4805

C4555

R4553

C4552

C4553

C4805

C4705

C4808

C4706

R4705

C4953

Q4410

R4403

R4402

R4401

R4400

Q4960

Q4961

Q4963

Q4962

R4963

R4964

D4960

R4961

Q4600

CN445

Q4800

Q4700

CN440

C4560

R4560

IC442

R4738

C4737

C4911

R4838

C4837

C4835

C4734

C4735

C4834

C4736

C4913

R4740

C4912

C4836

R4840

C4733

C4833

R4940

Q4951

D4951

R4951

C4952

C4951

R4952

PR495

Q4751

Q4851

R4734

R4834

R4944

D4961

R4942

C4732

C4832

C4961

R4735

R4835

R4833

R4733

CN443

C4731

C4831

CN401

CN402

CN441

PR496

D4953

C4720

C4721

C4722

C4723

C4820

C4821

C4822

C4823

C4724

C4824

C4826

C4827

C4828

C4727

C4728

R4831

R4731

C4502

R4826

R4726

R4727

R4730

R4827

R4830

R4960

C4501

IC441

C4725

C4825

Q4930

D4954

R4931

R4930

Q4931

Q4701

R4739

R4737

R4736

Q4801

R4836

R4837

R4839

+5.6V

+9.0V

TU_R

TU_L

TU_CLK

TU_CE

TU_DI

TU_DO

A_GND

D_GND

CN400

LID_SW

CN442

R4821

C4726

C4512

C4513

R4511

R4512

R4513

C4511

R4932

C4970

R4970

C4730

C4830

L4782

L4882

L4781

L4881

L4981

Q4992

Q4993

R4953

Q4995

R4954

IC446

C4993

D4993

C4994

C4997

R4955

R4921

R4822

R4823

R4828

R4829

R4723

R4722

R4728

R4729

L4291

CN422

CN423

FU421

CN216

CN215

C4280

C

4281

D4280

D

4281

D4283

D4282

C4282

C4283

CN420

3.3K

3.3K

15K

39K

39K

10/50

0.1

470UH

470UH

1/50

4700P

33

0.027

2200P

1K

KTC3198

0.039

KTC3198

39K

0.1

100

47/16

39K

68K

470UH

BEAD

BEAD

10/50

56K

1K

22K

KRC107M

BA7755A

39K

39K

12K

12K

100P

100P

AN7348K

1/50

100

0.033

120K

100/16

100

100/16

0.033

120K

33

33

1/50

0.068

1/50

22/16

10M

1/50

10/50

1/50

22/16

22K

1/50

3300P

22K

1000P

22K

22K

1000P

1500P

8.2K

47/16

22K

220/16

0.047

100P

100P

1500P

3300P

8.2K

470/16

KTA1266

330

15K

10K

10K

MPSA56

MPSA56

KRC107M

KRC107M

470

470

1SS133

100

MPSC56

KRC107

KRC107

10/50

4.7K

TA8229K

TA8229K

470

47/10

330/10

470

47/10

100/16

0.15

100/16

0.15

1000/16

3300/25

150

220/25

1000/16

150

3300P

3300P

27

KTD2058

MTZJ9.1B

470

0.022

220/16

470

1500mA

2SD1012

2SD1012

4.7K

4.7K

10K

1SS133

1K

1/50

1/50

1;50

15K

15K

1K

1K

1/50

1/50

1500mA

1SS133

1/50

1/50

1/50

1/50

1/50

1/50

1/50

1/50

1/50

1/50

2700P

0.1

0.1

0.1

0.1

3.9K

3.9K

22/16

1.5K

1.5K

820

100K

820

100K

100

220/16

LC75342

1/50

1/50

KTC3198

1SS133

10K

100K

KRA102M

KRC107M

8.2K

5.6K

1.5K

KRC107M

1.5K

5.6K

8.2K

15K

2700P

100P

100P

1K

1K

1K

100P

10K

100/10

10K

0.01

0.01

22UH

22UH

22UH

22UH

22UH

KTA1271

KRC107M

4.7K

KTA1271

4.7K

NJM78L05A

10/25

1SS133

47/10

0.01

47K

33

4.7K

12K

3.3K

1.5K

12K

4.7K

3.3K

1.5K

T2.5A L 250V

0.047

0

.047

RL153

R

L153

RL153

RL153

0.047

0

.047

5

4

3

2

1

24

23

22

21

20

19

18

17

16

15

14

13

1

2

3

4

5

6

7

8

9

10

11

12

1

2

3

4

5

6

7

8

9

10

15

14

13

12

11

10

9

12345678

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

15

16

17

18

19

20

21

22

23

24

25

26

27

28

1

2

3

4

5

6

7

8

9

10

11

12

13

14

1

2

3

R-CH

L-CH

R/P

HEAD

HEAD

E

NC

NC

L

PBNF

L

PBEQ

L

PBOUT

ALC

LOWCUT

L

RECIN

L

RECOUT

ALC

NC

NC

VCC

L

IN

R

IN

R

PBNF

R

PBEQ

R

PBOUT

R

RECIN

R

RECOUT

REC/PB

SW

B PB

RIPPLE

FILTER

GND

SP471

SP481

LEFT

RIGHT

HEAD PHONE

(1/2)

(2/2)

WOOFER

WOOFER

(FUSE)

R

OUT

R

BASS2

R

BASS1

R

TRE

R

VRIN

R

SELO

AU

TU

CD

TA

TA

CD

TU

AU

L

RECOUT

L

VRIN

L

TRE

L

BASS1

L

BASS2

L

OUT

Vref

VSS

CE

DI

VDD

CL

TEST

NC

NC

NC

TO FRONT

TO C_MECHANISM

50HZ

AC 230V

T4981

00

0

5.9

0.6

0

.6

06

.3

11.3

5.9

1

2.0

1

1.3

0

11.6

9.0

12.0

9.6

5.6

SCHEMATIC DIAGRAM  (AMPLIFIER)

This is a basic schematic diagram.

Summary of Contents for DC-DA2000

Page 1: ...s Laser beam safety precaution 1 Tape adjustments 1 Tuner adjustments 2 CD pick up maintenance 2 Exploded view Cabinet Chassis 3 Parts list Cabinet Chassis 4 Exploded view Parts list Tape mechanism 7 IC block diagram description 8 LCD display description 13 Schematic diagram FRONT 14 CD 16 AMPLIFIER 20 TUNER 22 Wiring diagram FRONT CD 18 AMPLIFIER TUNER 24 POWER TRANSFORMER 26 Wiring connection 27...

Page 2: ...lean the heads before attempting to make any adjustment Be sure both channels 1 and 2 are the same level Using a dual channel oscilloscope Be sure both channel s waveform are same for the phase matching After completion of the adjustment use the threadlock TB 1401B to secure the azimuth adjustment screws 1 Remove the cover deck as Fig 1 2 Load a test tape VTT 738 etc 10kHz in the Deck 3 Press the ...

Page 3: ...5 C2328 C2327 C2307C2317 T2002 J2501 C2303 J2601 J2509 J2606 J2605 J2604 J2120 J2603 J2112 C2901 D2451 TDI TCLK T DOUT TCE D2151 J2600 D2456 C2116 XF231 5 6V L_CH R_CH 9 0V GND J2500 J2122 J2502 J2118 R2109 VT J2503 CN202 CN201 S2001 XF211 IC211 J2124 J2123 C2306 J2119 J2121 J2100 L2104 D2102 L2103 C2311 C2313 J2113 J2114 J2504 J2117 J2127 J2126 J2125 J2102 J2103 J2104 J2116 J2107 D2452 C2452 J211...

Page 4: ...ET CHASSIS 16 Y03 Y05 Y01 Y06 Y11 Y9 Y13 Y14 Y15 Y15 Y16 Y16 Y17 Y18 Y10 Y10 Y12 Y03 Y04 Y03 Y03 Y02 Y07 Y08 Y08 Y07 15 1 2 3 4 5 6 7 10 9 11 71 73 74 72 8 26 27 25 20 18 19 21 22 23 24 12 13 14 15 17 51 53 54 57 56 58 52 55 ...

Page 5: ...ATION 11 KEYS 12 614 319 6945 BUTTON RIGHT 4 KEYS 13 614 325 7974 BUTTON POWER 14 614 325 8025 REFLECTOR STANDBY LED 15 614 310 3899 SPACER MECHA MTG CD DA11 16 614 307 2072 COVER PICK UP 17 614 319 7119 MOUNTING CD 18 614 322 2125 ASSY GEAR LID CD 19 614 303 0263 LATCH PUSH CD DOOR LOCKING 20 614 319 7201 SPRING WIRE DOOR CD 21 614 307 8821 PULLEY 22 614 303 0256 LATCH MAGNET 23 614 319 7102 LID ...

Page 6: ... 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT S6215 645 006 5958 SWITCH PUSH 1P 1T or 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT S6216 645 006 5958 SWITCH PUSH 1P 1T or 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT S6217 645 006 5958 SWITCH PUSH 1P 1T or 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT SE601 407 217 1101 PHOTO DIODE SPS 442 1G X6102 645 018 6103 OSC CE...

Page 7: ...05 143 0007 TR KRC107M Q4751 405 151 4400 TR KTD1303 or 405 021 0204 TR 2SD1012 F SPA or 405 021 0600 TR 2SD1012 G SPA or 405 033 6706 TR 2SD1468S R or 405 033 6805 TR 2SD1468S S Q4800 405 000 3806 TR DTC114YS or 405 143 0007 TR KRC107M Q4801 405 000 3806 TR DTC114YS or 405 143 0007 TR KRC107M Q4851 405 033 6706 TR 2SD1468S R or 405 033 6805 TR 2SD1468S S or 405 021 0600 TR 2SD1012 G SPA or 405 02...

Page 8: ...service parts TAPE MECHANISM REF NO PART NO DESCRIPTION 614 320 4213 ASSY MECHA TM DA280TN SH TM01 645 052 2888 RP HEAD C 9142 BD 1025 TM02 645 010 9447 PINCH ROLLER F ASSY TM03 645 045 1959 RF BELT TM04 645 052 4158 MAIN BELT TM05 645 045 2048 DETECT SWITCH MXS01190 TM06 645 052 2864 ASSY MOTOR ...

Page 9: ... SL SLD SLEQ SPD SP SPG SPI SP AGND FE FE FA FA FD FD TO JP TD TD TA TH SCH TESI TE TE TB F E FIN1 FIN2 APC RF DET REF VCA I V BAL VCA INTER FACE SLC RF Amp TE T SERVO T LOGIC F SERVO F LOGICK SPINDLE SERVO SLED SERVO IC446 NJM78L05A Stabilized Power Supply Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 Q9 Q10 Q11 Q12 Q13 Q14 Q15 1 2 3 VI Vo GND IC442 TA8229K Po...

Page 10: ...UF Level shift Level shift Level shift Level shift T S D Vref BUFFER RF MIX REG OSC RF IN GND IF OUT Vcc 1 2 3 4 5 6 7 8 9 FM IF FM DET LEVEL DET S CURVE AM FM IF BUFF REG GND COMP TUNING DRIVE AM IF AM DET VCC AGC PILOT CANCEL PILOT DET DECODER ANTI BIRDIE STEREO SW FF 38k FF 19k VCO 304kHz AM RF AMP AM MIX AM OSC ALC BUFF P DET FF 19k 2 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14...

Page 11: ...REGISTER LATCH 1 2 CCB I F POWER ON RESET IC241 LC72121M D Pll Synthesizer IC440 AN7348K Play Rec Pre Amp Nor Cro Hi Lo Logic R R P R P P ALC Mute Mute Logic A B Logic Rec PB Ripple Rejection Rec Amp L Rec Amp R PB Amp L PB Amp R A Rec A Rec B B 1 2 3 4 5 7 6 8 9 10 12 11 13 14 15 16 17 18 19 20 21 22 23 24 L PB AMP R PB AMP R PB NF R PB EO R PB OUT AB SW R REC OUT R REC IN REC PB SW A B SW FILTER...

Page 12: ...S8 to S13 PB S16 to S23 PC S24 to S31 PD S32 to S39 PE S40 to S47 PF COM0 to COM PL INT0 to3 Noise rejection filter Stack pointer Port 0 Watch dog timer CONTROL CIRCUIT LOGIC CIRCUIT CCB INTERFACE CONTROL CIRCUIT 15 14 16 17 18 19 20 21 22 24 25 26 23 10 9 7 6 5 8 11 L4 L3 L2 L1 NC NC R1 R2 R3 R4 RSELO RIN RTRE RBASS1 RBASS2 ROUT LSELO LIN LTRE LBASS1 LBASS2 LOUT TEST VSS CE DI CL VDD Vref NC 12 1...

Page 13: ...t output port Data direction can be specified for each bit 6 bits input port Other functions P70 INT0 input HOLD release input Nch Tr output for watchdog timer P71 INT1 input HOLD release input P72 INT2 input timer 0 event input P73 INT3 input with noise rejection filter timer 0 event input Interrupt receiver format vecter address P74 XT1 X tal oscillation pin P75 XT2 X tal oscillation pin Pin Nam...

Page 14: ...6 S17 S18 S19 S20 S21 S22 S23 S24 S25 COM1 COM1 7A 7B T8 6A 6B JAZZ T1 5 T5 4A 4B 4h 3A 3B 3h 2A 2B 2h REV PLAY 1A 1B 1h T2 POP ROCK COM2 COM2 7F 7G 7C 6F 6G 6C MHZ PROG T6 4F 4G 4C 3F 3G 3C 2F 2G 2C T9 1F 1G 1C T10 T11 COM3 COM3 7E 7D CH 6E 6D TR kHZ REC ST 4E 4D SURR 3E 3D BASS 2E 2D CLASSIC FWD PLAY 1E 1D T4 T3 T7 A G B F D DIGIT 2 DIGIT 1 3 4 28 1 C E H A G B F D C E LCD60 ...

Page 15: ...24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 3 2 1 1 2 3 5 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 3 4 5 11 20 21 99 93 88 85 83 74 73 28 83 79 21 20 84 85 55 58 59 61 62 63 64 65 ...

Page 16: ...37 36 35 34 33 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CD_L CD_R DRF WRQ RWC SQOUT COIN CQCK A GND RWC DRF COIN SQOUT A GND CQCK WRQ CD_L RESET REST CD_R SLED SLED D MUTE FSX CONT...

Page 17: ...1783 C1773 J1718 J1614 D1482 J1600 J1715 J1615 MM1469XH J1810 J1708 IC103 TO_TAPE_MECHA JW101 J1818 J1819 J1610 J1817 J1828 J1825 J1612 J1613 J1716 C1408 VREF J1702 J1823 D1404 D1405 D1403 J1705 J1824 J1820 R6111 R6111 R6112 R6112 C6114 C6114 C6113 C6113 R6275 R6275 C6117 C6117 R6221 R6221 R6222 R6222 R6111 R6112 C6114 C6113 IC601 R6118 R6119 R6120 R6121 C6013 C6011 C6012 C6012 C6210 C6210 C6012 C...

Page 18: ... C4511 R4932 C4970 R4970 C4730 C4830 L4782 L4882 L4781 L4881 L4981 Q4992 Q4993 R4953 Q4995 R4954 IC446 C4993 D4993 C4994 C4997 R4955 R4921 R4822 R4823 R4828 R4829 R4723 R4722 R4728 R4729 L4291 CN422 CN423 FU421 CN216 CN215 C4280 C4281 D4280 D4281 D4283 D4282 C4282 C4283 CN420 3 3K 3 3K 15K 39K 39K 10 50 0 1 470UH 470UH 1 50 4700P 33 0 027 2200P 1K KTC3198 0 039 KTC3198 39K 0 1 100 47 16 39K 68K 47...

Page 19: ...P LC72121M 220 KTC3195 0 01 330 1 5K 1 5K 10 50 10 50 68K 0 047 1K 1K 1K 1SS133 1SS133 100P 100P MTZJ3 0B 1K 100P 1 50 4700P 0 1 39K 4 7 50 36K 0 018 10 50 KRA107M 560P 0 047 10K 22P 1SS133 1SS133 1000P 22 100 3 3K 100P 330P 1SS133 SVC342 MWANT MWOSC 56K 820K 27K 3 3K 220 1M 7 2M 1000P 1SS133 330 10K 0 01 5 6K 5 6K 0 47 50 FM TERMINAL 0 01 LA1186N 0 01 22 0 022 18 SVC211 100K 100P 8 2U 1000P 100K ...

Page 20: ... J2127 J2126 J2125 J2102 J2103 J2104 J2116 J2107 D2452 C2452 J2111 J2110 J2109 J2108 J2106 J2105 J2602 J2508 J2507 D2101 L2102 J2506 D2453 J2101 Q2201 J2115 C2109 C4826 C4826 R4827 R4827 R4833 R4833 R4829 R4829 R4823 R4823 R4828 R4828 R4822 R4822 C4826 C4726 C4726 C4728 C4728 R4721 R4721R4727 R4727 R4722 R4722 R4728 R4728 R4729 R4729 R4723 R4723 C4726 C4728 C4727 R4731 C4827 C4828 R4831 C4553 C455...

Page 21: ...ANSFORMER T2 5A L 250V T002 94V 0 1AD4B10D1780B L4291 FU421 D4280 D4281 CN420 D4283 D4282 CN422 CN223 BW BL T4981 CN216 CN215 C4281 C4281 C4283 C4283 C4282 C4282 C4280 C4280 C4281 C4283 C4282 C4280 This is a basic wiring diagram ...

Page 22: ...16P 9P CN111 16P CN113 6P CN601 28P LCD60 CN400 28P CN445 9P CN440 6P C441 2P CN401 2P CN201 CN202 CN402 2P CN442 CN443 PHONES CN420 2P AM LOOP ANT L CH SPEAKER BOX R CH SPEAKER BOX CD P W B POWER TRANSFORMER P W B FRONT P W B AMPLIFIER TUNER P W B TAPE DECK MECHANISM FM ANT LINE IN FU421 T2 5A L 250V P T T4981 AC IN 230V 50Hz BL BW ...

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