Technics SA-DV290EE Service Manual Download

Page: 54 / 55

R922

10K

R921

10K

SA-DV290(EE,GN) OPERATION,MIC JACK CIRCUIT DIAGRAM

S904

(

PLA

REC

)

FL901 (A2BB00000115)

S908

(INPUT

SELECT

)

S907

(SET

)

S906

(TUNING

MODE

)

S905

(FM

AUT

/MONO

)

JK903
PHONES
3.5mm STEREO

R997

150

R996

150

D973

MA4030MT

C921

1000P

C922

35V33

C920

25V22

R944

2.2K

R912

4.7K

R911

3.3K

R910

2.2K

R909

1.8K

R916

1.5K

R915

1.2K

R914

R913

820

R907

3.3K

R906

2.2K

R905

1.8K

R904

1.5K

R903

1.2K

R902

R901

820

FL DISPLAY

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

53 54

W905

S901

(

)

C928

25V22

OPERATION CIRCUIT

C919

25V22

C927

25V22

C396

0.047

C923

0.1

C395

0.047

D974

MA165TA

C907

470P

C924

0.1

C904

0.01

R924

C908

470P

R925

S912

(TUNER

BAND)

S913

(DIGIT

S.WOOFER

)

A B C D

F G H I

J K L M N O P Q R S T U

S902

(CLOCK/

TIMER

)

S903

DEMO

)

IC901
C2BBFD000404

SYSTEM CONTROL/
FL DRIVE

Q901
UN4212TA

RESET

R936

100

R919

15K

R991

47K

R918

10K

R928

47K

L902

D901

1SS291TA

L901

R951

330K

R952

10M

R993

100K

D931

MA165T

D935

MA165T

R990

100K

C916

6.3V100

D951

LNJ301MPUJAD

(DIGIT

S.WOOFER

)

R995

220

R986

1.5K

D306

SELS5223C

(

)

R939

1.5K

C905

1000P

C901

6.3V100

R935

100

R934

100

R988

R937

10K

R987

R926

2.2K

C912

0.1

R954
100K

C926

1000P

R960

1.5K

R958

R999

100K

R959

R969

2.7K

D902

1SS291TA

C903

0.01

C902

10V1000

X902

(32.7kHz)

C91

18P

C910

20P

X901

(6MHz)

D905

1SS291T

R940

R929

R930

R932

R931

R976

100K

R956

R957

C915

0.01

C925

1000P

R953

100

C914

50V2.2

D904

MA165T

A B C D E F G H I

J K L M N O P Q R S T

U V W X

81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100

-VP

P13

P14

P15

P16

P17

P18

P19

P20

P21

P22

P23

P24

P25

P26

P27

P28

P29

P30

P31

P32

P33

P34

P35

P36

P37

P38

REGIN0

REGIN1

REMOCON

RDS DATA

RDS CLK

HP SW

MIC DET

VR JOGA

VR JOGB

NC(GND)

SH REQ

KEY KARAOKE

KEY TU

XC OUT

XC IN

Vss

X OUT

X IN

RESET

AC IN

SEL/ TUNER

SEL TUNER

ST/ AV.6CH

LC72 CK

LC72 DI/ ST

LC72 CE

LC72 DO

CHECK

AND-BY

TIMER

S.W

.LED

LOUNGE

CHORUS

MUTE

POWER

Vss2

MUTE2

MUTE3

SHCS

SHDO

SHDI

SHCK

DET

TIMER

P12

P10

R994

100K

R949

4.7K

R950

100

D953

LNJ301MPUJAD

(MIC EFFECT CHORUS)

R998

220

R992

220

D952

LNJ301MPUJAD

(MIC

EFFECT

LOUNGE

)

S918

(MIC

EFFECT

CHORUS

)

S917

(MIC

EFFECT

LOUNGE

)

S916

(KEY

CON

)

1 2 3 4

W904B

MIC JACK CIRCUIT

IC401
TA2011S

MIC AMP

JK902
MIC2
6.3mm
MONAURAL

JK901
MIC1
6.3mm
MONAURAL

C403

4700P

Q401
2SC5398RSTA

MIC AMP

C406

25V4.7

R415

470

C413

50V1

R412

C416

16V10

C412

1000P

C410

16V10

C41

100P

R41

330

R410

2.2K

R409

4.7K

C407

0.01

C409

50V1

C408

0.022

R406
470K

R407

4.7K

C405

1000P

R405

4.7K

C417

0.022

R404

470

C404

50V3.3

R402

680

R421

22K

C401

0.022

R403

22K

R401

680

L401

3.3

VR401

5K(B)

(MIC VOL)

W401

C421

0.1

1 2 3 4

C414

16V470

CN904

C415
50V1

R416

330

R947

100K

R948

100K

For [GN] area.

D933

MA165T

For [EE] area.

For [GN] area.

S91

TUNING

[GN]

TUNING

[EE]

S910

TUNING

[GN]

TUNING

[EE]

S909

(ECHO)

R908

4.7K

For [GN] area.

D954

SELS5923C

(

PLA

REC

)

For [GN] area.

S914

KARAOKE

[GN]

RDS

DISP

MODE

[EE]

S915

.MUTE

[GN]

RDS

DISP

MODE

PTY

[EE]

For

[GN]

area.

:AUDIO SIGNAL LINE

: POSITIVE VOLTAGE LINE

: NEGATIVE VOLTAGE LINE

5.1V

2V / 2ms.DIV.

10ms.

2V / 2ms.DIV.

-30.1V

-29.3V

-26.3V

-20.5V

-29.3V

-23.5V

-20.5V

-23.4V

-23.7V

-20.7V

-29.6V

-23.7V

-26.6V

-26.5V

5.1V

-29.5V

-26.5V

-17.2V

-5.3V

-10.3V

0.4V

23.4V

20.5V

26.3V

5.1V

23.4V

20.5V

26.2V

29.2V

26.2V

26.1V

26.3V

23.5V

25.6V

27.5V

25.5V

23.5V

-25.6V

5.1V

0V:GN
2.6V:EE

0.6V

5.1V

1.4V

5.1V

2.3V

2.7V

1.6V

2.2V

5.1V

4.6V

2.5V

5.1V

3.3V

1.9V

1.4V

5.1V

4.8V

FM / AM

-30V

5.5ms.

-30V

FM / AM

3.3V
P-P

F=6MHz

FM / AM

4.2V
P-P

F=6MHz

FM / AM

5.2V
P-P

F=32.7kHz

FM / AM

5.2V
P-P

F=32.7kHz

FM / AM

2V
P-P

F=32.7kHz

FM / AM

:MIC SIGNAL LINE

1.3V

1.9V

0.8V

5.2V

3.3V

1.8V

2.3V

Summary of Contents for SA-DV290EE

Page 1: ...0C8 Tuner Amplifier SA DV290EE SA DV290GN Colour S Silver Type System SC DV290 Because of unique interconnecting cables when a compact requires service send or bring in the entire system SPECIFICATION...

Page 2: ...THD 10 8 80 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 DIG...

Page 3: ...293 118 5 345 mm Mass 5 3 kg Nots 1 Design and specifications are subject to change without notice 2 Dimensions and weight are approximate 3 Total harmonic distortion is measured by the digital spect...

Page 4: ...RJA0035 2X 1 pc Remote control for EE area EUR7702290 1 pc Remote control for GN area EUR7702300 1 pc Remote control batteries R6 LR6 AA UM 3 1 pc Note These are available on sales route 4...

Page 5: ...FM indoor antenna for EE area N1EAYY000002 1 pc FM indoor antenna for GN area N1EAYY000001 1 pc AM loop antenna set N1DAEYA00008 1 pc Speaker leads REE1234 1 2 pc Red Black REE1233 1 2 pc Gray Blue 5...

Page 6: ...supply on after completion of repair slowly apply the primary voltage by using a power supply voltage controller to make sure that the consumed current at 50 Hz in NO SIGNAL mode should be shown below...

Page 7: ...em and correct it 3 Press the STANDBY ON button once again supply the power Note When the protection circuitry functions the unit will not operate unless the STANDBY ON button is first switched STANDB...

Page 8: ...5 2 Checking for the operation P C B Follow the Step 1 Step 3 of item 5 1 Check the operation P C B as shown below 5 3 Checking for the main P C B 8...

Page 9: ...Follow the Step 1 Step 3 of item 5 1 9...

Page 10: ...Check the main P C B as shown below 5 4 Replacement for the regulator transistor 10...

Page 11: ...Follow the Step 1 Step 3 of item 5 1 5 5 Replacement for the power IC Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 6 of item 5 2 Follow the Step 1 Step 10 of item 5 3 11...

Page 12: ...indicating the nature of the malfunction Use this self diagnostic function when servicing the unit 6 1 To display the malfunction code U70 DVD Automatically displays on the U70 DECK tuner amplifier wh...

Page 13: ...by indicator will light up F61 will be displayed for 3 seconds and then the clock will be displayed To re display the code switch the power on F61 will be re displayed and then after 3 seconds the clo...

Page 14: ...Refer to Fig 6 2 Make sure the white side of the cables is on your right side Refer to Fig 6 3 Fig 6 2 Fig 6 3 2 Breakage of the flat cables Check and replace 3 If the problem is not corrected by ite...

Page 15: ...o operate on power supplied form system connected For system connection refer to Fig 7 1 Fig 7 1 When the unit SA DV290 has to test and service alone use the following method to supply power source 1...

Page 16: ...ment of new technology Notes S901 Power Standby on switch S902 Clock timer CLOCK TIMER switch S903 Demo DEMO switch S904 Play timer record timer PLAY REC switch S905 FM mode FM AUTO MONO switch S906 T...

Page 17: ...DC circuit tester No mark Power ON Important safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retarda...

Page 18: ...I IF count data stereo detect signal input from tuner unit Z101 5 LC72 CK O Clock signal output for tuner unit Z101 6 ST AV 6CH O Signal select output 7 NC Not used open 8 9 SEL TUNER Not used open 1...

Page 19: ...REMOCON I Remote control signal input 30 37 8G 1G O Grid signal output 38 45 P1 P8 O Segment signal output 46 VDD 3 I Power supply terminal 47 50 P9 P12 O Segment signal output 51 VP I Power supply t...

Page 20: ...l input 97 SH CK I Serial communication signal to Sound Processor Clock signal input 98 E DET I Unusual condition detect signal input 99 CR TIMER Not used open 100 SD I Station detector signal input f...

Page 21: ...8 FERRITE CORE 1 6 RGW0386 S KNOB VOLUME 1 7 RHN90001 NUT 1 8 RKA0106 N FOOT RING 4 9 RKF0606AD K1 BACK COVER 1 EE 9 RKF0606AE K1 BACK COVER 1 GN 10 RKW0581 1V FL WINDOW 1 11 RMF0284 CUSHION 1 GN 12 R...

Page 22: ...50V 1000P 1 EE C201 02 F1D1H1040002 50V 0 1U 2 C371 ECA0JAK101XB 6 3V 100U 1 C395 96 F1D1H473A012 50V 0 047U 2 C401 ECBT1H223KB5 50V 0 022U 1 F1D1H223A012 GN C403 ECBT1C472KR5 16V 4700P 1 F1D1C472A010...

Page 23: ...1 C701 04 ECA1VM472E 35V 4700U 4 C705 ECBT1H103KB5 50V 0 01U 1 F1E1H1030001 C706 RCE1VKA100BG 35V 10U 1 F2A1V1000011 C707 08 F1D1H473A012 50V 0 047U 2 C709 ECQV1H104JM3 50V 0 1U 1 C710 F1D1H473A012 50...

Page 24: ...24...

Page 25: ...CN602 RJU057W008 CONNECTOR 8P 1 K1KB08B00034 CN701 13 RJS1A1101T1 CONNECTOR 1P 13 CN781 RJS10T5ZA CONNECTOT 10P 1 K1MP10A00007 CN904 RJS4T5ZA CONNECTOR 4P 1 K1MP04A00007 GN CP101 K1KA11A00093 CONNECTO...

Page 26: ...JAD LED 1 D952 53 LNJ301MPUJAD LED 2 GN D954 SELS5923C LED 1 B3ADA0000083 D961 MA4075M DIODE 1 MAZ40750M D973 MA4030M DIODE 1 MAZ40300M D974 MA165TA5 DIODE 1 MA2C16500E F1 K5D202BL0001 FUSE 1 FL901 A2...

Page 27: ...27...

Page 28: ...Q556 2SC5398RSTA TRANSISTOR 1 B1AACF000059 Q557 2SA1995RSTA TRANSISTOR 1 B1ACDF000006 Q601 02 2SC5398RSTA TRANSISTOR 2 B1AACF000059 Q605 10 B1AAGC000006 TRANSISTOR 6 Q612 UN411FTA TRANSISTOR 1 UNR411...

Page 29: ...J272T 1 4W 2 7K 2 R566 ERDS2FJ683 1 4W 68K 1 R567 ERG1SJ220 1W 22 1 R568 ERDS2FJ101 1 4W 100 1 R569 ERDS2FJ103 1 4W 10K 1 R570 ERDS2TJ225 1 4W 2 2M 1 R572 ERDS2FJ153 1 4W 15K 1 R591 ERDS2FJ472 1 4W 4...

Page 30: ...JR47 1W 0 47 2 R761 ERG1SJ221 1 2W 220 1 R763 ERDS2FJ472 1 4W 4 7K 1 R764 ERDS2FJ331 1 4W 330 1 R765 ERDS1FJ471 1 2W 470 1 R767 ERG1SJ270 1W 27 1 R768 ERDS2FJ101 1 4W 100 1 R769 ERG1SJ270 1W 27 1 R771...

Page 31: ...50 ERDS2FJ101 1 4W 100 1 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 ERDS...

Page 32: ...ER TRANSFORMER 1 VR401 EVUE27FK3B53 V R MIC VOLUME 1 GN VR901 EVQVBXFK124B V R VOLUME 1 X151 H0H433400001 OSCILLATOR 1 EE X901 EF0EC6004T4 OSCILLATOR 1 EFOEC6004T4 X902 H0A327200027 OSCILLATOR 1 Z701...

Page 33: ...15 2 SA DV290GN 33...

Page 34: ...16 Packaging 34...

Page 35: ...17 Schematic Diagram for printing with A4 size K0305 YH HM 35...

Page 36: ...R556 100K R557 10K C721 10V100 D725 MA4082LTA R729 220 C723 0 047 C639 1000P C640 1000P C641 1000P C642 1000P C732 0 022 C647 1000P D738 MA165TA D730 MA4091HTA R768 100 R724 3 9K C718 25V100 D723 MA4...

Page 37: ...D2144STA RELAY DRIVE D745 MA4051MTA C753 0 01 C755 16V1000 Q726 2SC3940AQSTA REGULATOR D746 RL1N4003N02 D747 MA4068LTA C758 0 01 C759 10V47 C754 0 01 D500 MA165TA W2 W3 W1 CN602 FP791 K5G502AA0002 JK6...

Page 38: ...24 P25 P26 P27 P28 P29 P30 P31 P32 VDD4 P33 P34 P35 P36 P37 P38 REGIN0 REGIN1 8G REMOCON RDS DATA RDS CLK HP SW MIC DET VR JOGA VR JOGB NC GND SH REQ KEY KARAOKE KEY TU VDD1 XC OUT XC IN Vss X OUT X I...

Page 39: ...24 P25 P26 P27 P28 P29 P30 P31 P32 VDD4 P33 P34 P35 P36 P37 P38 REGIN0 REGIN1 8G REMOCON RDS DATA RDS CLK HP SW MIC DET VR JOGA VR JOGB NC GND SH REQ KEY KARAOKE KEY TU VDD1 XC OUT XC IN Vss X OUT X I...

Page 40: ...14 1 2 15 3 4 5 6 7 8 9 10 11 12 13 14 1 20 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 K L M I J E F C D E F G E F G A B C D A B G H C601 16V10 R598 2 2K R597 2 2K R205 100K H G R202 100K B C D E...

Page 41: ...14 1 2 15 3 4 5 6 7 8 9 10 11 12 13 14 1 20 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 K L M I J E F C D E F G E F G A B C D A B G H C601 16V10 R598 2 2K R597 2 2K R205 100K H G R202 100K B C D E...

Page 42: ...R556 100K R557 10K C721 10V100 D725 MA4082LTA R729 220 C723 0 047 C639 1000P C640 1000P C641 1000P C642 1000P C732 0 022 C647 1000P D738 MA165TA D730 MA4091HTA R768 100 R724 3 9K C718 25V100 D723 MA4...

Page 43: ...R556 100K R557 10K C721 10V100 D725 MA4082LTA R729 220 C723 0 047 C639 1000P C640 1000P C641 1000P C642 1000P C732 0 022 C647 1000P D738 MA165TA D730 MA4091HTA R768 100 R724 3 9K C718 25V100 D723 MA4...

Page 44: ...D2144STA RELAY DRIVE D745 MA4051MTA C753 0 01 C755 16V1000 Q726 2SC3940AQSTA REGULATOR D746 RL1N4003N02 D747 MA4068LTA C758 0 01 C759 10V47 C754 0 01 D500 MA165TA W2 W3 W1 CN602 FP791 K5G502AA0002 JK6...

Page 45: ...D2144STA RELAY DRIVE D745 MA4051MTA C753 0 01 C755 16V1000 Q726 2SC3940AQSTA REGULATOR D746 RL1N4003N02 D747 MA4068LTA C758 0 01 C759 10V47 C754 0 01 D500 MA165TA W2 W3 W1 CN602 FP791 K5G502AA0002 JK6...

Page 46: ...A MA4300MTA MA165TA SB360L6508 1N5402BM21 RL1N4003N02 B0JANG000008 MA4030MTA MA4051MTA MA4056MTA MA4068LTA MA4075MTA MA4082LTA MA4091HTA LNJ301MPUJAD SELS5223C SELS5923C 1 8 9 16 50 51 1 30 31 100 80...

Page 47: ...WER SUPPLY P C B W701B 1 10 T702 Power transformer D AC IN P C B W1 W2 W3 1 8 CN602 1 12 CN601 AC IN CENTER SURROUND SPEAKERS E POWER TRANSFORMER A P C B 1 4 W722B 1 10 T701 Power transformer W721B W2...

Page 48: ......

Page 49: ...16 B4 VSS 7 B3 6 ST AV 6CH SD SA DV290 EE GN BLOCK DIAGRAM B8 Q401 TA2011S IC401 MIC2 MIC1 VR401 MIC VOL B4 MIC AMP MIC AMP 25 MIC DET AM ANT FM ANT Z101 TUNER PACK RAN0005EM 2 EE ENG06502Q GN 8 6 3...

Page 50: ...DET HP SW 26 SASYNC AC IN 88 POWER POWER 11 B8 1 CHECK 14 N Q503 D558 51 VP VP 86 MUTE D906 PRO TECTOR D974 SWITCH ING D907 REGIN1 22 8 11 12 16 17 X901 6MHz XC IN XC OUT 13 14 X902 32 7kHz X IN X OUT...

Page 51: ...Q711 712 725 D718 720 B5 D705 VP FL1 FL2 FL DISPLAY FL901 Q708 709 B3 AC IN SHSYNC POWER Q726 B6 B8 B9 D902 D901 SASYNC D746 REGULATOR STABILIZER REGULATOR REGULATOR REGULATOR SWITCH ING REGULATOR RE...

Page 52: ...ISP MODE PS EE KARAOKE GN TUNING EE TUNING GN MAIN P C B B 10 9 8 7 6 5 4 3 2 1 D607 R635 R719 J J W902A J J J J J J J 15 13 11 9 7 5 3 1 14 12 10 8 6 4 2 C664 C725 J J J J J J J J J J J J J J J J J R...

Page 53: ...C755 C753 C634 W1 W2 W3 D747 AC IN P C B D AC IN C644 C646 C651 C652 C624 C633 C625 C645 C643 R646 R645 R644 R643 L603 L604 C SR SL CENTER SURROUND SPEAKERS REP3338A S EE REP3338B S GN 230V 50Hz EE 2...

Page 54: ...24 P25 P26 P27 P28 P29 P30 P31 P32 VDD4 P33 P34 P35 P36 P37 P38 REGIN0 REGIN1 8G REMOCON RDS DATA RDS CLK HP SW MIC DET VR JOGA VR JOGB NC GND SH REQ KEY KARAOKE KEY TU VDD1 XC OUT XC IN Vss X OUT X I...

Page 55: ...14 1 2 15 3 4 5 6 7 8 9 10 11 12 13 14 1 20 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 K L M I J E F C D E F G E F G A B C D A B G H C601 16V10 R598 2 2K R597 2 2K R205 100K H G R202 100K B C D E...

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