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DETAILED CIRCUIT EXPLANATIONS

 

1.      THE POWER AMPLIFYING BOARD

         MAIN PARTS LIST OF THE MAIN POWER AMPLIFYING BOARD

NO

LOCATION SPECIFICATIONS

DESCRIPTION

SPECIFICATIONS / PA RT NUMBER

1

R405

Carbon-film Resistor

1/6W680

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±5%  SHAPED 7.5

2

R406~R412,R451,R455,R470

Carbon-film Resistor

1/6W1.5K±5% SHAPED 7.5

3

R415,R419,R421,R424,R425,R428

Carbon-film Resistor

1/6W4.7K±5% SHAPED 7.5

4

R404,R434,R437,R440,R443,R466

Carbon-film Resistor

1/6W10K±5% SHAPED 7.5

5

R435,R438

Carbon-film Resistor

1/6W12K ±5% SHAPED 7.5

6

R450,R458,R452,R454,R456,R416,R418,
R422,R423,
R426,R427,R441,R444,R459,R465

Carbon-film Resistor

1/6W22K±5% SHAPED 7.5

7

R446,R467

Carbon-film Resistor

1/6W47K±5% SHAPED 7.5

8

R432,R433,R439,R442,R447,R448,R464,
R445,R436

Carbon-film Resistor

1/6W100K±5% SHAPED 7.5

9

R417,R420,R429~R431

Carbon-film Resistor

1/6W150K±5% SHAPED 7.5

10 R413,R414,R453,R457,R463

Carbon-film Resistor

1/4W10

¦ ¸

±5%  SHAPED 10

11 R462

Carbon-film Resistor

1/6W2.2

¦ ¸

±5%  SHAPED 7.5

12 R401,R402

Carbon-film Resistor

1/2W220

¦ ¸

±5% SHAPED 12.5

13 R449

Carbon-film Resistor

1/6W220

¦ ¸

±5%  SHAPED 7.5

15 R460

Carbon-film Resistor

1/6W47

¦ ¸

±5%  SHAPED 7.5

16 R403

Carbon-film Resistor

1/4W180

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±5%  SHAPED 10

17 R461

Carbon-film Resistor

1W220

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±5

£ ¥

18 C459

Porcelain Capaci tor

50V 33P ±10% NPO 2.5mm

19 C462,C428,C430,C460,C461

Porcelain Capaci tor

50V 151 ±10% 2.5mm

20 C417,C418

Porcelain Capaci tor

50V 20P ±10% NPO 2.5mm

21

C405,C406,C409,C410,C413,C416,C456,
C458

Porcelain Capaci tor

50V 104 ±10% 5mm

22 C424,C436

Terylene Capacitor

100V 103 ±10% 3.5mm

23 C440,C442,C445

Terylene Capacitor

100V 104 ±10% 7mm

24 C401,C402

Terylene Capacitor

100V 224 ±10% 8mm

25 C425,C437

Terylene Capacitor

100V 182 ±5% 3.5mm

26 C447~C450

Metal Polyester Film
Capacitor

CL21X 100V224±10% 7.5

27 C415,C432,C457

CD

CD11 16V10U±20%5×11 2

28 C414,C451

CD

CD11 16V47U±20%5×11 2

29 C412

CD

CD11 16V220U±20%6×12 2.5

30 C407,C408,C444

CD

CD11 16V470U±20%8×123.5

31 C439,C441

CD

CD11 25V22U±20%5×11 2

32

C419~C423,C426,C427,C429,C431,C433,
C434,C435,C438,C443

CD

CD11 50V2.2U±20%5×11 2

33 C403,C404,C411

CD

CD11 25V4700U±20%16×35 7.5

34 C446,C452~C455

CD

CD11 25V220U±20%8×12 3.5

35 VD412,VD413

Diode

1N4004

36 VD401~VD406

Diode

RL254

37 VD411

Voltag e Regul ator Di ode 5.1V 1/2W

38 VD409,VD410

Voltag e Regul ator Di ode 12V 1/2W

39 N402

Software Program CPU ,
AT89C2051 DIP

CPUHT60(EN)-0

40 N404~N406

IC

4558C DIP

SP550S SERVICE MANUAL

Содержание SP550S

Страница 1: ...ENGLISH SP550S Service manual...

Страница 2: ...ed on this unit to avoid electric shock Specifications of the replaced components must be the same as that of the original components Do not change the components specifications to prevent risks Conte...

Страница 3: ...to form BTL Status display employs a LED digital tube displayed range 0 16 Full function remote control Square power transformer bridge and full wave rectifying circuit Satellite speakers employ plast...

Страница 4: ...MOTE CONTROL RECEPTION DISPLAY POWER SUPPLY FRONT PANEL S CONTROL BOARD SP550S SERVICE MANUAL OUTPUT BOARD 14V 0 14V Vs RM b1 c1 b2 a2 XP3 XS3 XS2 Vs RM b1 c1 b2 a2 1 1 1 2 2 2 3 3 3 4 4 5 5 Transform...

Страница 5: ...filmResistor 1 6W47 5 SHAPED 7 5 16 R403 Carbon filmResistor 1 4W180 5 SHAPED 10 17 R461 Carbon filmResistor 1W220 5 18 C459 Porcelain Capacitor 50V 33P 10 NPO2 5mm 19 C462 C428 C430 C460 C461 Porcela...

Страница 6: ...8 W11 W14 W17 W18 W20 W23 W28 W27 W19 W24 Connection Cords 0 6 SHAPED 7 5mm 52 W9 W10 W13 W21 W22 W25 W26 Connection Cords 0 6 SHAPED 10mm 53 W2 W12 W15 Connection Cords 0 6 SHAPED 12 5mm 54 W16 Conne...

Страница 7: ...EF 15 GND 14 OUT4 13 OUT5 12 OUT6 11 N403 PT2258D REMOTE G401 4M 1 2 3 4 5 6 7 8 9 10 11 12 XS3 11PIN R406 1 5k R405 680 R407 1 5k R408 1 5k R409 1 5k R410 1 5k R411 1 5k R412 1 5k Vs C416 104 R404 10...

Страница 8: ...or 1W100 5 R SHAPED 15 x 8 5 C301 CD CD11 25V 330U 20 8 x 14 3 5 6 C302 CD CD11 25V 47U 20 5 x 11 2 7 VD301 VD303 VD304 VD305 Diode IN4148 8 VD302 Voltage Regulator Diode 6 8V1 2W 9 V301 Triode 9014C...

Страница 9: ...IPTION SPECIFICATIONS PART NUMBER 1 PCB 1BSY02 1 2 XC1 Terminal Socket AV6 8 4 3C 3 XP2 Raft Cords 7P130 2 5T2 6 SHIELDED WITHNEEDLES PIN7 GROUNDED MAIN PARTS LIST OF THE INPUT BOARD SP550S SERVICE MA...

Страница 10: ...tor 50V 104 20 0805 2 DS901 LE D Digital Tube E20361 G 3 PCB 9BSY02 3 4 XP3 Raft Cords 12P300 2 5 1 PLUG 5 N901 InfraredReceptor HS0038B 6 Affix N901 Soft Sponge Pad 10 10 1 DOUBLEHARD SIDED MAIN PART...

Страница 11: ...IFICATIONS 1 Porcelain Capacitor CT7 400V 103 20 10mm POWER SWITCH 2 Power S witch PS8 11 2 3 Mains Cords 2P1 9m10A STC 999 MX 4 Fuse Tube T1 6AL250V FUS E TUBE HOLDER 5 Mica S pacer 24 22 0 1 N410 Mi...

Страница 12: ...f 1N5 1N6 CODE1 CODE2 DGND SDA SCL GND 10dB Step 10dB Step 1dB Step 1dB Step Ref Ref Control unit VOLUME CONTROL IC PT2258 Manufactured by CMOS technology 6 channel volume control IC I2 C control inte...

Страница 13: ...INT0 P3 2 INT1 P3 3 T0 P3 4 T1 P3 5 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VCC P1 7 P1 6 P1 5 P1 4 P1 3 P1 2 P1 1 AIN1 P1 0 AIN0 P3 7 PDIP SOIC Pin structure Features Voltage 2 6v Max...

Страница 14: ...WER IC TDA2003 POWER IC LM1875 Mono audio power amplifier Mono power amplifier Features Max output current 4A Full protection function Output Power Vcc 25v V 25v EE Rl 8ohm THD 1 f 1kHz 25w Features V...

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