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SCHEMATIC DIAGRAM (AMPLIFIER)

This is a basic schematic diagram.

PRODUCT SAFETY NOTICE

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

!!!

in the parts list and the schematic diagram

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

!!!

, 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.

BEAT_OUT

SUSOUND

BASS_BOOT

TAPE_PLAY

VOL_DATA

VOL_STB

VOL_CLK

SYNC_REC

A_MUTE

5.6V

GND

AC_SENS

TU_GND
TU_RCH
TU_LCH
CD_RCH

A_GND

CD_LCH
CD_GND

CD_+B

R4911

Q4902

C4920

R4910

C4919

R4912

C4921

C4918

IC412

R4718

C4713

C4911

R4818

C4813

C4815

C4714

C4715

C4814

C4716

C4913

R4781

C4912

C4816

R4881

C4712

C4812

C4905

C4909

R4905

CN406

L4902

R4941

CN405

Q4951

D4951

R4951

C4952

C4951

R4952

R4752

R4852

C4953

PR495

C4916

Q4751

Q4851

R4756

R4856

C4983

C4982

D4982

4983

D4981

D4980

C4981

C4980

R4961

D4961

D4963

D4962

R4962

C4751

C4851

C4961

R4717

R4817

R4816

R4716

Q4904

C4906

CN215 CN216

FU401

CN421

R4938

C4811

C4711

IC411

R4736

C4735

C4736

R4737

R4738

R4739

C4742

C4734

C4738

R4740

R4741

R4742

R4745

C4739

C4740

C4741

R4746

R4747

R4743

C4743

C4843

R4843

R4847

R4846

C4841

C4840

C4839

R4845

R4842

R4841

R4840

C4838

C4834

C4842

R4839

R4838

R4837

C4836

C4835

R4836

C4726

C4826

C4731

C4732

C4831

C4832

C4837

R4949

R4833

R4834

R4832

R4831

R4948

R4734

R4733

R4732

R4731

R4735

R4730

R4830

C4833

R4835

C4730

C4733

Q4106

R4106

R4704

R4703

R4803

R4804

C4704

C4804

C4703

C4803

R4901

C4901

C4802

C4702

C4807

C4707

C4701

C4801

R4710

R4810

C4805

C4705

R4805

R4705

C4806

C4706

R4708

C4708

C4709

R4709

C4808

R4808

R4809

C4809

R4848

R4849

R4850

R4751

R4748

R4749

R4750

R4851

CN401

CN402

S4950

IC410

R4853

R4753

R4761

R4760

R4861

R4860

Q4103

Q4903

D4102

R4104

R4105

Q4104

R4107

CN441

PR496

S4901

R4000

R4770

R4870

R4971

C4844

Q4830

Q4730

C4744

D4953

CN491

D4964

R4972

C4962

C4963

R4001

R4002

R4003

R4004

R4991

CN490

C4984

C4723

C4823

Q4840

Q4740

R4857

R4859

R4858

R4757

R4759

R4758

R4914

L4781

L4881

C4110

R4110

R4108

Q4108

Q4109

R4109

C4750

C4850

L4591

CN450

CN452

CN451

2SC3330

0.01

10K

0.01

330

10/25

1000P

TA8229K

150

47/10

330/10

150

47/10

100/16

0.15

100/16

0.15

1000/16

3300/25

150

220/25

1000/16

150

3300P

10/25

220/10

100

KTD2058

MTZJ9.1B

470

0.022

220/10

470

2.2

470/16

1250mA

180P

2SD1012

4.7K

0.01

RL153

L153

RL153

0.01

10K

1SS133

1/50

1;50

15K

2SC3330

1000P

T2.5A L 250V

000

10K

10/25

LC75392

000

47K

150P

0.022

6.8K

47K

2200P

0.01

0.015

22K

27K

10K

470P

3300P

47P

82K

68K

100K

10P

100K

68K

82K

47P

3300P

470P

10K

27K

22K

0.015

0.01

2200P

47K

6.8K

0.022

150P

47K

1/50

470/6.3

2.2K

3.3K

4.7K

33K

120K

2.2K

4.7K

3.3K

33K

120K

3.9K

22K

1/50

3.9K

100/10

1/50

KRC102M

10K

000

3.9K

47/10

0.022

510K

47/10

1000P

2200P

10/25

3.9K

1000P

18K

270P

000

18K

2200P

560P

2200P

18K

560P

22K

000

BA3314

180K

10K

KRA102M

TKTC3199

1SS133

100K

10K

KRC102M

47K

000

1500mA

000

1,1/8Z

47K

100

5600P

KTA1267

5600P

1SS133

10/16

1,1/8Z

10K

0.01

1/50

KRC102M

12K

3.9K

5.6K

12K

3.9K

5.6K

2.7K

000

100/10

3.3K

KRC107M

3.3K

0.01

000

12345678

S4950-1~2 R/P SW

S4905 BEAT CANCEL SW

S4904 MECHA MOTOR SW

SP471

SP481

LEFT

RIGHT

HEAD PHONE

(1/2)

(2/2)

ALC

OUT1

OUT2

NF2

NF1

IN1

GND

VCC

IN2

FILTER

MAGNETIC

HEAD

WOOFER

R/P

HEAD

(FUSE)

L-CH

R-CH

MOTOR

S4904

(FUSE)

S4950-2

TO CD

S4931 BASS BOOST

S4901 POWER SW

(FRONT BLOCK)

(AMP BLOCK)

(MYLAR)

FU401

T2.5A L 250V

TO FRONT BLOCK

S4901-2

S4901-1

S4901-1~2 POWER SW

LVR
OUT

LVR

OUT

COM

LT4

CLASSIC

LT3

POP

LT2

ROCK

LT1

FLAT

L4
IN

L3
IN

L2
IN

L1
IN

VDD

VSS

VREF

COM

OUT

RVR

RT1

FLAT

RT2

ROCK

RT4

CLASSIC

RT3

POP

RVR

OUT

S4950-1

S4950-5

S4950-6

S4950-7

S4950-8

S4950-4

S4950-3

50HZ

AC 230V

T4981

4.3

0.6

0.1

5.9

0.6

11.3

5.9

2.0

1.3

1.6

PLAY

REC

9.0

12.0

9.6

Содержание DC-DA90

Страница 1: ...connections 1 What to do if 1 Laser beam safety precaution 2 CD pick up maintenance 2 CD player adjustments 2 Tape adjustments 3 Tuner adjustments 4 Exploded view Cabinet Chassis 5 Parts list Cabinet Chassis 6 Tape mechanism 9 CD mechanism 9 IC block diagram description 10 LCD display description 14 Wiring connection 15 Schematic diagram FRONT 16 CD 18 TUNER 22 AMPLIFIER 26 Wiring diagram FRONT CD...

Страница 2: ...ial R ch speaker L ch speaker AM loop aerial To an AC outlet WHAT TO DO IF If the operation of the unit or display is not normal 1 Disconnect the mains lead 2 Press the BAND button main unit for at least 30 seconds 3 Connect the mains lead 4 Operate the unit General Output power 4 W x 2 at 4 ohms 10 distortion Outputs SPEAKERS 4 ohms PHONES 8 32 ohms Power requirements AC 230V 50Hz Power consumpti...

Страница 3: ...pool from inside to outside on the surface of lens CD PLAYER ADJUSTMENTS 1 ADJUSTMENTS 1 Confirm the tracking balance 1 Turn on the POWER switch 2 Connect an Oscilloscope to TP2 TE and TP4 VC 3 Set the test disc 4 Press PLAY button to turn into the PLAY mode 5 Keep holding SKIP button down so as to be SERCH mode then confirm that the oscilloscope waveform is symmetrical on the top and bottom in re...

Страница 4: ...moto c Adjusting motor speed 1 Insert the test tape MTT 111 or etc 3 000 Hz 2 Press the PLAY button 3 Use a flat tip screwdriver to turn the SVR to adjust so that the frequency counter becomes 3 000 Hz 4 Press the STOP button e Checking the mechanism torques Clean the head capstan and pinch roller before making any measurement Measurement Take up torque Back tension Tape tension Cassette for PLAY ...

Страница 5: ...2129 R2126 C2026 C2115 R2301 C2114 R2303 R2302 R2105 C2010 R2205 C2022 C2401 C2029 R2900 C2141 R2107 R2901 L2002 L2205 T2001 T2002 VT CT211 L2204 TP11 CT211 TP14 TP13 TP15 TP24 TP25 TP12 Use a plastic screw driver for adjustments MODE ST Stereo Speaker impedance 4 ohm TUNING FM 87 5 108MHz AM 522 1611kHz Antenna 75Ω unbalanced Modulation 1 KHz Dev 22 5kHz MONO 22 5kHz STEREO 6 75kHz PILOT RF Level...

Страница 6: ... 3 4 8 16 5 6 7 9 10 11 12 13 14 15 18 21 24 22 23 25 26 27 54 28 30 20 19 53 Y04 Y04 Y05 Y05 Y06 Y03 Y08 Y09 Y09 Y10 Y10 Y07 Y07 Y11 Y11 Y11 Y12 Y13 29 Y14 Y15 Y16 Y16 Y17 Y18 Y15 Y06 Y03 Y01 Y02 17 17 73 52 51 71 72 74 75 56 76 55 57 31 ...

Страница 7: ... 614 310 3899 SPACER MECHA MTG CD CD MECHA 18 614 307 2072 COVER PICK UP 19 614 322 2132 ASSY GEAR LID CD 20 614 319 8864 MOUNTING CD 21 614 303 0263 LATCH PUSH CD DOOR LOCKING 22 614 307 8821 PULLEY 23 614 303 0256 LATCH MAGNET 24 614 319 8918 SPRING DOOR CD 25 614 319 8826 DEC WINDOW CD 26 614 319 8857 LID CD 27 614 319 8741 BUTTON POWER 1 KEY 28 614 308 0534 SPRING REC 29 614 316 1172 STOPPER 3...

Страница 8: ...40 2739 TRANS OSC 796KHZ Q2001 405 151 4806 TR KTC3195 O or 405 151 4301 TR KTC3195 Y Q2002 405 151 4301 TR KTC3195 Y or 405 151 4806 TR KTC3195 O REF NO PART NO DESCRIPTION CN603 645 012 5485 SOCKET FPC 15P FRONT TU D6901 407 012 4406 DIODE 1SS133 D6902 407 012 4406 DIODE 1SS133 IC601 409 504 4802 IC LC72336 9A38 MICON L6900 645 001 4550 INDUCTOR 10U K L6901 645 002 1459 INDUCTOR 22U K LCD60 645 ...

Страница 9: ... 151 4301 TR KTC3195 Y Q2201 405 151 5209 TR KRA107M or 405 000 0904 TR DTA114YS S2001 645 023 5795 SWITCH LEVER SH201 614 256 3052 SHIELD T2001 645 043 0213 FILTER 450KHZ T2002 645 040 9981 TRANS IF 10 7MHZ or 645 039 9923 TRANS IF 10 7MHZ XF211 645 010 7665 CERAMIC FILTER 10 70MHZ or 645 010 0079 CERAMIC FILTER 10 70MHZ XF212 645 010 0079 CERAMIC FILTER 10 70MHZ or 645 010 7665 CERAMIC FILTER 10...

Страница 10: ... TM05 645 033 3415 MAIN BELT TM06 614 312 0629 ASSY MOTOR FOR SERVICE CD MECHANISM REF NO PART NO DESCRIPTION 614 307 9804 ASSY MECHA CDDA11N SASH PM01 620 021 8436 PLUG 6P PM02 620 233 0853 ASSY MOTOR BASE CHASSIS ASSY PM03 620 236 3776 COVER GEAR PM04 620 230 8753 GEAR MIDDLE RELAY GEAR PM05 620 230 8760 GEAR DRIVE PM06 620 231 0596 SHAFT SLIDE PICK RAIL PM07 620 233 0860 SWITCH LEAG LIMIT SWITC...

Страница 11: ... I V BAL VCA INTER FACE É com SLC RF Amp TE T SERVO T LOGICK F SERVO F LOGICK SPINDLE SERVO SLED SERVO 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Vcc Vcc DRIVER MUTE D BUF D BUF D BUF D BUF D BUF D BUF D BUF D BUF Level shift Level shift Level shift Level shift T S D IC103 MM1469XH CD Driver IC201 LA1186N AUDIO FM Front End 12 11 10 9 18 L1 R1 LT1 RT1 LT2 RT2 LT3 RT...

Страница 12: ...r 31 SL I No Pin Name I O Function 32 JP I Input Pin for Tracking Jump Signal from Digital 33 JP I Signal Processor Digital Signal Processor TGL H Gain Low 35 TOFF I Input Pin for Tracking Off Control Signal from Digital Signal Processor TOFF H OFF 36 TES O Output Pin for Track Error Sense Signal to Digital Signal Processor 37 HFL I High Frequency Level Signal Use Detection Main Beam Position is o...

Страница 13: ...6 17 20 19 58 18 24 25 26 27 28 29 48 60 61 46 52 45 44 43 39 41 42 40 37 35 38 36 34 31 30 9 21 6 4 3 5 7 2 59 64 11 32 33 62 8 23 Slice level Control Subcode Dxract QCRC Syncrnous Detect EFM Demodulation VCO Clock Oscillator Clock Control X tal Root Timing Generator RAM Address Generatorl 2KÅ 8bit RAM Billingual Digital Out General Ports Digital Attenuator Quadruple Over Sampling Digital Filter ...

Страница 14: ... SD Input Display SEGMENT Output VOL IC Control Output Operating KEY Input Destination Input BASS X LID SW Input CHATTERING TIME 40MS BACK UP MODE Control Outpu Power supply Ground Ground Connection terminal of crystal oscillation 4 5MHz NAME CD IDATA CD ODATA CD CLOCK RWC CD RESET Non Connection Non Connection Non Connection Non Connection BASS BOOST Non Connection Non Connection KEY IN KEY IN WR...

Страница 15: ...S13 S14 S15 S16 S17 S18 S19 S21 S22 S23 S24 COM1 COM1 7A 7B ROCK 6A 6B JAZZ T1 5 T5 4A 4B 4h 3A 3B 3h 2A 2B 2h T2 POP 1A 1B 1h COM2 COM2 7F 7G 7C 6F 6G 6C MHZ PROG T6 4F 4G 4C 3F 3G 3C 2F 2G 2C T4 T3 1F 1G 1C COM3 COM3 7E 7D CH 6E 6D TR kHZ BASS ST 4E 4D T8 3E 3D SURR 2E 2D MONO T7 1E 1D CLASSIC A G B F D 26 1 C E 2h 3h 4h 1h 2h A G B F D C E 3h 1h 4h LCD60 ...

Страница 16: ...HANISM CD P W B FRONT P W B LED P W B BOARD TO BOARD LCD60 CN441 2P CN406 4P CN491 12P CN421 PHONES CN490 8P CN402 2P CN401 2P CN450 2P CN601 12P CN603 15P CN602 2P CN122 8P CN111 15P 15P CN113 6P 6P CN201 CN203 1P CN202 15P CN405 4P FU401 T2 5A L 250V BK RE BR P T POWER TRANSFORMER P W B AMP P W B TUNER P W B AM LOOP ANT FM ANT BL AC IN CN452 CN451 JW601 ...

Страница 17: ...2K 0 01 2 2K 000 22UH 0 01 FM MODEL CD REP 47 10 680 1 2K 820 FUNC TU DN 560 TU UP PSCAN BAND 000 000 000 000 000 000 150 270 0 01 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 1 2 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 1 2 3 1 2 3 4 5 6 7 8 9 10 11 12...

Страница 18: ...0mA 4 7 50 6 8K RL153 0 01 0 01 0 1 220P MM1469XH 000 1K 0 01 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 1 2 3 4 5 6...

Страница 19: ...612 J1411 J1801 J1802 J1606 J1605 J1604 J1603 REST J1613 J1804 D1402 TU B TUGND TULCH TURCH J1426 J1418 J1417 J1420 J1421 J1614 J1615 J1415 J1416 J1414 J1413 J1602 CN113 D1404 D1403 J1610 J1619 5 6V PR140 C1329 CN122 D1410 J1425 R CH L CH A_GND B GND TUGND TURCH TULCH J1401 J1607 400 CN111 J1424 TULCH J1408 J1405 J1403 J1611 J1423 C1773 CN123 NIP CUT X1451 R6001 R6003 R6014 R6005 R6007 R6008 C6104...

Страница 20: ...22P CH 1000P 100P 22UH 22UH AM ANT TERMANL 1SS133 1SS133 560 56K MTZJ5 6B 10 25 22UH 39P 56P 10K 450KHz KTC3199 GR 33P 4 7K 22K 000 000 120K 000 KTC3195 O 560K 220 330 0 022 1000P 000 4 7 50 22K 18K 4700P 0 1 68K 1000P 100P 1 1 8Z 1P 3 5D 22P 5 25D 0 01 1SS133 FRONT GND FM OSC 15P 1K 1 2 3 4 5 6 7 8 9 12 11 10 9 8 7 6 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 13 14 1...

Страница 21: ...C2218 J2803 Q2201 J2102 J2807 S2001 J2115 J2811 J2804 J2816 J2107 J2805 J2812 CN201 J2110 L2002 J2814 J2105 J2106 CN203 J2700 C2112 T2002 IC211 L2011 T2001 XF215 D2006 CN202 J2104 J2701 J2101 J2111 J2100 J2800 J2801 J2810 J2702 L2204 J2109 L2001 C2402 C2400 C2403 C2131 C2142 R2131 C2024 C2005 C2002 R2001 C2001 R2002 C2014 R2005 C2013 R2004 R2003 C2011 C2012 C2008 C2015 R2014 C2017 C2003 R2006 R200...

Страница 22: ...740 R4857 R4859 R4858 R4757 R4759 R4758 R4914 L4781 L4881 C4110 R4110 R4108 Q4108 Q4109 R4109 C4750 C4850 L4591 CN450 CN452 CN451 12 2SC3330 0 01 10K 0 01 330 10 25 1000P TA8229K TA8229K 150 47 10 330 10 150 47 10 100 16 0 15 100 16 0 15 1000 16 3300 25 150 220 25 1000 16 150 3300P 3300P 10 25 220 10 100 27 KTD2058 MTZJ9 1B 470 0 022 220 10 470 2 2 2 2 470 16 1250mA 180P 2SD1012 2SD1012 4 7K 4 7K ...

Страница 23: ...10 J4511 J4408 C4963 C4962 J4407 J4402 1250 1500 LG401 C4823 C4723 Q4740 Q4840 J4506 J4405 J4530 J4417 BEAT CN491 J4504 C4730 J4406 C4837 J4602 J4514 J4404 J4603 J4403 J4516 J4411 J4414 J4518 C4110 Q4108 Q4109 J4525 J4424 J4425 J4421 J4607 J4426 J4531 J4622 R4734 R4838 R4837 C4834 C4743 C4843 R4848 R4748 R4851 R4751 R4836 R4749 R4849 R4750 R4850 R4840 R4839 R4842 R4841 C4838 C4842 C4840 C4841 R484...

Страница 24: ... CN451 CN452 L4591 1AD4B10D0970F TOO2 94V 0 B GND D6951 D6952 D6953 D6954 D6955 C6951 R6952 R6951 WIRING DIAGRAM POWER TRANSFORMER LED LED P W BOARD POWER TRANSFORMER P W BOARD This is a basic wiring diagram SANYO Electric Co Ltd Osaka Japan Feb 02 BB Printed in Japan ...

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