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SCHEMATIC DIAGRAM-3

IC801
C2HBZC000010

DIGITAL SIGNAL
PROCESSOR

C805

1

C809

0.01

MAIN CIRCUIT

B

C818

680P

C839
50V1

R824
120K

R825

120K

C838

50V1

C835

6.3V47

C816

0.1

C834

6.3V47

C833

6.3V47

C819

680P

L804

C825

50V4.7

R806

270

C808

0.01

R820

1K

R819

1K

R818

1K

C832

50V4.7

C831

50V4.7

R827

0

R817

1K

C830

50V4.7

R816

1K

C828

50V4.7

C829

50V4.7

R815

1K

C827

50V4.7

C820

50V4.7

R804

270

R805

270

C821

50V4.7

C823

6.3V100

C822

6.3V47

C824

6.3V47

C806

2200P

C807

2200P

R836

1.5K

R835

1.5K

C804

0.1

R801

220

R802

1M

X801

(36.8MHz)

C801

12P

C802

5P

C803

1000P

A

B

R830

4.7K

C837

16V10

R834

22K

C826

50V4.7

C815

0.022

R809

330

R810

330

R812

330

R811

4.7K

C814

1

R808

330

R814
100K

L801

L802

C813

0.01

C812

0.1

C811

0.022

R807

270

C810

0.01

R829

2.2K

C836

16V10

R833

22K

R823

330

R821

330

D

C

B

E

A B

E

D

F

G

U

V

L

S

K

G

C

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

29

30

31

32

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

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

GND

AR

VDX

XI

XO

GND

X

NC

GND

A1

AI1

AO1

NC

AOT1

NC

VDA12

AOT2

AO2

NC

AI2

GNDA2

NC

VRO1

VRI

NC

VRO2

GND

A3

AI3

AO3

AOT3

VDA34

NC

AOT4

NC

AO4

AI4

NC

GND A4

NC

V

DD

R

GND R

SYNC

ELRI/ O

NC

DIN2

NC

DIN1

DIN0

NC

DOUT

V

DD

/

RST

NC

/C

S

IFCK

IFDI

IFDO

GND

/

ERR

I2CS

TST0

NC

LIN4

RIN4

RIN3

RIN2

RIN1

NC

GND AL

OUTL

VRAL

VDAL

VDAR

VRAR

OUTR

80

NC

TST1

NC

NC

LIN3

LIN2

LIN1

EBCI/

O

A

L807

R803

100

R898

0

J

I

R813

4.7K

SH-EH790(E) MAIN CIRCUIT DIAGRAM

IC802
C2HBZC000008

DIGITAL SIGNAL
PROCESSOR

R863

560

R867

560

C871

2200P

C

C867
50V1

R854

18K

C854

16V10

C852

2200P

R855

39K

C853

16V10

C851

2200P

C863

6.3V47

C862
470P

R860

56

C861

560P

C864

6.3V47

R

G

C896

0.022

R861
100K

C895

0.022

R874

330

C894

0.022

F

E

D

C

B

A

C858

0.1

C857

0.1

R881

100

C856

50V4.7

R852

1K

R851

1K

C855

50V4.7

R859

10K

C860

2200P

C866

50V1

R864

560

C884

2200P

C865

1

C872

2200P

C881

50V1

C883

6.3V47

R876

270

C887

6.3V47

C886

6.3V100

C878

0.01

R871

270

C879

2200P

R872

270

C880

2200P

C869

0.01

C888

6.3V47

L806

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 29 30

31

32

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

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

XI

XO

VDX

GND

AL

AOL

AOL

T

VRLR

AIL

T

VDAR

AIR

T

AOR

T

AOR

GND

AR

GND

AC

AOC

AOCT

VRCS

AICT

VRO

VRI

VDASC

AISL

T

AOSL

T

AOSL

GND

ASL

GND

ASR

AOSR

AOSR

T

AISR

T

VDASR

NC

TP0

TP1

TP2

TP3

TP4

NC

V

DD

R

GND R

TP5

TP6

TP7

TP8

TP9

TP10

TP11

TP12

FS

CK00

CK01

GND

TP13

MCK

V

DD

TP14

TST15

EM0

EM1

STEP1

STEP0

/RST

V

DD

SYNC

ELR0

ELR1

EBC0

EBC1

DI

N

D

OUT

GND

/CS

IFCK

IFD1

IFD0

IFOK

/ERR

I2CS

BA1

BA0

BOOT

NC

TST0

TST1

TST2

TST3

VDM

VRM1

M IN

M OUT

VRM2

GNDM

VSAL

L IN

AVRL

VDL

VDR

AVRR

R IN

VSAR

GNDX

H

R890

10K

R889

330

R888

330

C897

0.022

C898

6.3V100

C891

0.01

C893

0.01

R882

1M

C899

6.3V47

R891

2.2K

R868

560

C868
50V1

C892

6.3V47

C873

50V1

C874

50V1

R870

270

R869

270

C876

50V1

C875

50V1

R892

2.2K

R900

0

R858

10K

R857

10K

W P

F

G

R877

22K

R878

22K

E

F

R875

270

C882

50V1

C859 50V4.7

R856

0

L814

R880

2.2K

R879

2.2K

C877

0.01

L811

D

L822

L821

G

C870

6.3V100

R873

330

L808

10

H

:POSITIVE VOLTAGE LINE

:CD PLAYBACK SIGNAL LINE

5.1V

5.1V

5.1V

2.5V

0V

0V

5.1V

2.5V

2.5V

2.6V

5.1V

2.6V

2.5V

2.5V

2.5V

2.5V

0.6V

5.1V

5.1V

5V

5V

0V

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

5.1V

5.1V

2.5V

2.5V

4.6V

1.9V

1.9V

2.5V

2.5V

2.6V

5.1V

5.1V

2.6V

2.5V

2.5V

2.6V

2.5V

2.4V

0.7V
P-P

F=36.8MHz

2.3V
P-P

F=36.8MHz

5.1V

5.1V

5.1V

5V

5.1V

2.5V

2.5V

2.5V

2.5V

2.5V

0.6V

5V

5V

0V

5.1V

5.1V

2.5V

2.5V

2.5V

4.3V

2.5V

2.5V

5.1V

5.1V

2.5V

2.5V

1.9V

2.1V

4.8V

2.5V

2.5V

2.4V

5.1V

2.4V

2.5V

5.1V

2.5V

2.5V

2.5V

2.5V

5.1V

5.1V

5.1V

5.1V

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

Содержание SA-EH790E

Страница 1: ...mplifier SA EH790E SA EH790EB SA EH790EG SA EH790EP Colour S Silver Type System SC EH790 Because of unique interconnecting cables when a compact requires service send or bring in the entire system SPE...

Страница 2: ...0 W PMPO 1 kHz High 6 Low 8 CENT 8 SURR 8 3000 W Total harmonic distortion Rated power at 1 kHz 1 6 Half power at 1 kHz 0 1 6 Load impedance FRONT High 6 FRONT Low 8 SURROUND 8 CENTER 8 DIGITAL S WOOF...

Страница 3: ...nger SL EH790 Tuner Amplifier SA EH790 Cassette Deck RS DV290 Speakers Front SB DV290 Center SB PC95 Surround SB PS95 Made in MAES 2003 Matsushita Electric Industrial Co Ltd All rights reserved Unauth...

Страница 4: ...tive and negative speaker connection wires are shorted or if speaker systems with an impedance less than the indicated rated impedance of this unit are used If this occurs follow the procedures outlin...

Страница 5: ...Remote control EUR7702270 1 pc Remote control batteries R6 LR6 AA UM 3 1 pc Note These are available on sales route FM indoor antenna RSA0007 1 pc AM loop antenna set RSA0022 L 1 pc Speaker leads 5...

Страница 6: ...REE1234 1 2 pc Red Black REE1233 1 2 pc Gray Blue Antenna plug adaptor for EB area SJP9009 1 pc 4 Caution for AC Mains Lead 6...

Страница 7: ...t Procedures This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components For reassembly after operation checks or replacement rev...

Страница 8: ...described only when required 6 1 Checking for the AC IN P C B Check the AC IN P C B as shown below 6 2 Checking for the operation P C B Follow the Step 1 Step 3 of item 6 1 8...

Страница 9: ...Check the operation P C B as shown below 6 3 Checking for the main P C B Follow the Step 1 Step 3 of item 6 1 9...

Страница 10: ...10...

Страница 11: ...Check the main P C B as shown below 6 4 Replacement for the regulator transistor Follow the Step 1 Step 3 of item 6 1 11...

Страница 12: ...ep 1 Step 3 of item 6 1 Follow the Step 1 Step 6 of item 6 2 Follow the Step 1 Step 10 of item 6 3 7 To Supply Power Source This unit is designed to operate on power supplied from system connected For...

Страница 13: ...onnect this unit to an AC power supply cord This unit come to stand by mode 3 Turn the unit ON Fig 7 2 Notes Use only this method when checking the voltage etc In case of checking the operations use t...

Страница 14: ...displays on the tuner amplifier when a malfunction occurs Refer to Fig 8 1 Fig 8 1 8 2 To return to the normal display 1 For U70 CD U70 DECK Press an any operation button on the tuner amplifier To re...

Страница 15: ...em from operating If U70 is displayed on the tuner amplifier the tape deck or CD Changer cannot be operated by remote control Correction Procedure 1 To check for correct insertion of flat cables Inser...

Страница 16: ...fier SA EH790 output IC IC601 When a DC voltage is applied to speaker terminals 9 Schematic Diagram Notes This schematic diagram may be modified at any time with the development of new technology Note...

Страница 17: ...ircuit tester high impedance with the chassis taken as standard Therefore there may exist some errors in the voltage values depending on theinternalimpedance of the DC circuit tester No mark Power ON...

Страница 18: ...ng repair Cover the parts boxes made of plastics with aluminum foil Ground the soldering iron Put a conductive mat on the work table Do not touch the legs of IC or LSI with the fingers directly 10 Sch...

Страница 19: ...12 RESET I Reset signal input 13 X IN I Oscillator connected terminal 32 7 kHz 14 X OUT O 15 VSS GND terminal 16 XC IN I Oscillator connected terminal 6 MHz 17 XC OUT O 18 VDD 1 I Power supply termina...

Страница 20: ...79 REGIN0 Not used connected to GND 80 REGIN1 81 STANDBY O LED STANDBY drive signal output 82 TIMER O LED TIMER drive signal output 83 S W LED O LED DIGITAL S WOOFER drive signal output 84 LOUNGE LED...

Страница 21: ...rtant for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used Whenreplacingany of components be sure to use...

Страница 22: ...1 J0KD00000028 19 RMN0582 HOLDER 1 20 XTB3 12FFZ SCREW 1 21 XTB3 20JFZ SCREW 1 22 REM0115 FAN 1 23 RGN2394 K NAME PLATE 1 EB 23 RGN2396 K NAME PLATE 1 EP 24 RMN0526 FL HOLDER 1 25 REZ1300 WIRE ASS Y 1...

Страница 23: ...30001 C601 02 ECA1CAK100XB 16V 10U 2 C603 04 ECBT1H471KB3 50V 470P 2 C605 06 ECBT1H102KB3 50V 1000P 2 C607 08 ECBT1H471KB3 50V 470P 2 C609 10 ECBT1H560J3 50V 56P 2 C611 12 ECBT1H150JC3 50V 15P 2 C613...

Страница 24: ...470BG 10V 47U 1 F2A1A470A011 C761 ECQE1104KF3 100V 0 1U 1 C791 ECKWRS102MBC 250V 1000P 1 C901 EEAFC0J101B 6 3V 100U 1 C902 F2A1A102A018 10V 1000U 1 C903 04 ECBT1H103KB5 50V 0 01U 2 F1E1H1030001 C905 E...

Страница 25: ...M DIODE 1 MAZ41500M D725 MA4082LTA DIODE 1 MAZ40820LF D730 MA4091H DIODE 1 MAZ40910H D737 MA4082LTA DIODE 1 MAZ40820LF D738 40 MA165TA5 DIODE 3 MA2C16500E D741 44 B0AAMM000009 DIODE 4 D745 MA4051M DIO...

Страница 26: ...IC201 C0JBAR000292 IC 1 26...

Страница 27: ...P4 RPN1194 PAD SA 1 P4 RPN1195 2 PAD RS 1 P4 RPN1196 PAD SH 1 P4 RPN1197 PAD SL 1 P5 RPF0139 1 PROTECTION BAG 1 P6 SPP740 1 SHEET 4 PCB1 REP3337H M PCB ASS Y 1 RTL PCB2 REP3338A S PCB ASS Y 1 RTL E E...

Страница 28: ...Q711 2SB1548PQAU TRANSISTOR 1 2SB15480J1AU 28...

Страница 29: ...222 1 4W 2 2K 1 R559 ERDS2FJ472 1 4W 4 7K 1 R560 61 ERDS2FJ104 1 4W 100K 2 R563 64 ERDS2TJ272T 1 4W 2 7K 2 R566 ERDS2FJ683 1 4W 68K 1 R567 ERG1SJ220 1W 22 1 R568 ERDS2FJ101 1 4W 100 1 R569 ERDS2FJ103...

Страница 30: ...DS2TJ392 1 4W 3 9K 1 R739 ERDS2FJ473 1 4W 47K 1 R749 ERDS2FJ102 1 4W 1K 1 R763 ERDS2FJ472 1 4W 4 7K 1 R764 ERDS2FJ331 1 4W 330 1 R765 ERDS1FJ221 1 2W 220 1 R767 ERG1SJ270 1W 27 1 R768 ERDS2FJ101 1 4W...

Страница 31: ...R951 ERDS2FJ334 1 4W 330K 1 R952 ERDS2TJ106T 1 4W 10M 1 R953 ERDS2FJ101 1 4W 100 1 R954 ERDS2FJ104 1 4W 100K 1 R956 58 ERDS2FJ102 1 4W 1K 3 R959 ERDS2FJ470 1 4W 47 1 R960 ERDS2FJ152 1 4W 1 5K 1 R961...

Страница 32: ...iption Pcs Remarks X901 EF0EC6004T4 OSCILLATOR 1 EFOEC6004T4 X902 RSXD32K7S02 OSCILLATOR 1 H0A327200027 Z120 RAN0005EM 2 TUNER UNIT 1 Z701 ENC471D5A ZNR 1 J0LG00000008 Z901 B3RAD0000028 REMOTE SENSOR...

Страница 33: ...18 Packaging 19 Schematic Diagram for printing with letter size K0304YH HM 33...

Страница 34: ...2 3 4 5 6 7 8 R B S G H I J T A C201 330P R204 2 2K R203 2 2K DVD 6ch INPUT D201 MA4056MTA R219 390 A M N R214 2 2K R250 2 2K R213 2 2K R249 2 2K K L R258 5 6K R256 4 7K V U R253 0 R255 4 7K R257 5 6...

Страница 35: ...857 0 1 R881 100 C856 50V4 7 R852 1K R851 1K C855 50V4 7 R859 10K C860 2200P C866 50V1 R864 560 C884 2200P C865 1 C872 2200P C881 50V1 C883 6 3V47 R876 270 C887 6 3V47 C886 6 3V100 C878 0 01 R871 270...

Страница 36: ...358 22K R504 120K C502 330P R503 1 2K 1 2 3 4 5 6 7 8 C503 100P Q502 UN411FTA ATTENUATOR CONT R502 1K R509 2 2K R514 100 C510 16V22 Q501 UN411FTA MUTING CONT IC501 NJM4558MTE1 BUFFER AMP C D G R517 82...

Страница 37: ...ND TAPE Rch OUT TAPE Lch OUT CD Rch IN A GND CD Lch IN NC NC CN202 CN201 TUNER Lch C TUNER Rch A GND Lch OUT Rch OUT B 10V SUR L S W MIC B 10V V GND D GND CS REQ CLK DATA CT GND SH FL1 SH FL2 SYNC SUR...

Страница 38: ...1K C625 6 3V100 R664 330 R663 330 C616 35V33 R686 0 C604 1000P C605 35V33 MA165TA MA165TA g C626 0 047 IC602 M62457AFPE1 SPEANA AMP 1 2 13 3 4 5 6 7 8 9 10 11 12 2 1 3 4 5 6 7 8 FW602B DSP DIO SP INPU...

Страница 39: ...1K C625 6 3V100 R664 330 R663 330 C616 35V33 R686 0 C604 1000P C605 35V33 MA165TA MA165TA g C626 0 047 IC602 M62457AFPE1 SPEANA AMP 1 2 13 3 4 5 6 7 8 9 10 11 12 2 1 3 4 5 6 7 8 FW602B DSP DIO SP INPU...

Страница 40: ...2 3 4 5 6 7 8 R B S G H I J T A C201 330P R204 2 2K R203 2 2K DVD 6ch INPUT D201 MA4056MTA R219 390 A M N R214 2 2K R250 2 2K R213 2 2K R249 2 2K K L R258 5 6K R256 4 7K V U R253 0 R255 4 7K R257 5 6...

Страница 41: ...2 3 4 5 6 7 8 R B S G H I J T A C201 330P R204 2 2K R203 2 2K DVD 6ch INPUT D201 MA4056MTA R219 390 A M N R214 2 2K R250 2 2K R213 2 2K R249 2 2K K L R258 5 6K R256 4 7K V U R253 0 R255 4 7K R257 5 6...

Страница 42: ...857 0 1 R881 100 C856 50V4 7 R852 1K R851 1K C855 50V4 7 R859 10K C860 2200P C866 50V1 R864 560 C884 2200P C865 1 C872 2200P C881 50V1 C883 6 3V47 R876 270 C887 6 3V47 C886 6 3V100 C878 0 01 R871 270...

Страница 43: ...857 0 1 R881 100 C856 50V4 7 R852 1K R851 1K C855 50V4 7 R859 10K C860 2200P C866 50V1 R864 560 C884 2200P C865 1 C872 2200P C881 50V1 C883 6 3V47 R876 270 C887 6 3V47 C886 6 3V100 C878 0 01 R871 270...

Страница 44: ...358 22K R504 120K C502 330P R503 1 2K 1 2 3 4 5 6 7 8 C503 100P Q502 UN411FTA ATTENUATOR CONT R502 1K R509 2 2K R514 100 C510 16V22 Q501 UN411FTA MUTING CONT IC501 NJM4558MTE1 BUFFER AMP C D G R517 82...

Страница 45: ...358 22K R504 120K C502 330P R503 1 2K 1 2 3 4 5 6 7 8 C503 100P Q502 UN411FTA ATTENUATOR CONT R502 1K R509 2 2K R514 100 C510 16V22 Q501 UN411FTA MUTING CONT IC501 NJM4558MTE1 BUFFER AMP C D G R517 82...

Страница 46: ...ND TAPE Rch OUT TAPE Lch OUT CD Rch IN A GND CD Lch IN NC NC CN202 CN201 TUNER Lch C TUNER Rch A GND Lch OUT Rch OUT B 10V SUR L S W MIC B 10V V GND D GND CS REQ CLK DATA CT GND SH FL1 SH FL2 SYNC SUR...

Страница 47: ...ND TAPE Rch OUT TAPE Lch OUT CD Rch IN A GND CD Lch IN NC NC CN202 CN201 TUNER Lch C TUNER Rch A GND Lch OUT Rch OUT B 10V SUR L S W MIC B 10V V GND D GND CS REQ CLK DATA CT GND SH FL1 SH FL2 SYNC SUR...

Страница 48: ...2BBGF000434 C2HBZC000010 C2HBZC000008 100PIN 80PIN 100PIN 2SD2137PQTA 2SC3311ATA UN4211TA UN411FTA 2SB621ARSTA 2SD592AQRSTA 2SA1309ATA 2SC3940AQSTA 2SD2144STA UN5211TX LNJ301MPUJAD MA719TA MA165TA 1SS...

Страница 49: ...FW602B FW601B A FL P C B FW602A FW601A To CD CHANGER CASSETTE DECK To TUNER AMPLIFIER B MAIN P C B 1 8 1 8 1 13 1 13 AUX DVD VCR EXT SUBWOOFER OUT DVD 6ch INPUT...

Страница 50: ......

Страница 51: ...SHIFT REGISTER 2 29 3 28 4 27 5 26 7 24 8 23 14 16 17 ST CK DATA 9 22 6 25 X1 X2 ST CLK DA 1 30 B1 B4 15 VEE VDD VSS 12 19 11 20 10 21 X3 X4 AUX DVD VCR EXT IN OUT NJM4558MTE1 IC202 CCHMIC REC L MIC...

Страница 52: ...SRT R ch X X 8 10 AILT AIRT NJM4558MTE1 IC302 REC L GNDAC 14 VRL R 7 Q313 C OUT C2BBFD000246 IC401 SYSTEM CONTROL DACK 9 DSP ACK RESET 18 DSP RST DCS 7 DSP CS DCK 10 DSP CK DDO 11 DSPDIO DDI 12 B2 1 V...

Страница 53: ...Q504 Q503 Q501 MUT SB SUR L1 FL Q315 Q316 Q303 Q304 Q301 Q302 MUT F TU LIC SW2 SW1 ATT Q306 ATT1 SH SYNC BUFFER AMP BUFFER AMP BUFFER AMP MUTING MUTING MUTING CONT B1 D762 B2 Q765 Q764 B3 Q767 Q766 Q...

Страница 54: ...7 19 2 4 6 8 10 12 14 16 18 20 CN201 R239 C233 J J J J J J J J J J J J J R765 R716 R315 R764 R763 C773 C303 E C B Q762 E C B Q761 D761 C761 C305 C309 C753 C763 C307 L301 L302 B C E Q763 J J J J J J J...

Страница 55: ...1K C625 6 3V100 R664 330 R663 330 C616 35V33 R686 0 C604 1000P C605 35V33 MA165TA MA165TA g C626 0 047 IC602 M62457AFPE1 SPEANA AMP 1 2 13 3 4 5 6 7 8 9 10 11 12 2 1 3 4 5 6 7 8 FW602B DSP DIO SP INPU...

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