Aiwa HV-FX-970, HV-GX910 Schematic

AIWA HV-FX970/GX910 SCHEMATIC DIAGRAM-1(POWER SECTION)

A MAIN(POWER SECTION)C.B

FH02

FH01

PW101

0.1/275

L102

33m

C101

0.1/275

F101

T1.6A/250V

POWER CORD

BD101

S1WBA60

BC101

BEAD CORE

C102

R101

2.7 2W

R102

100K 2W

5

Slort

16.1

(16.3)

VCC

OVP

Reg1(9.4V) Reg2(7.2V) Reg3(7.2V)

TSD

Counter

IC101

STR-G6153T

NOTE:ONE VOLTAGE:PB OR REC MODE TWO VOLTAGES:PB AND (REC) MODE

C103

68/400

C122

0.022

OSC

FB OCP

Mirror

FB Curent

Detector

FB

4

4.0

(4.6)

:HOT CIRCUIT

Latch

S RQ

D102

ERA22-10

Drive

Buffer

R104

56K

2W

DROIN

Amp.

OCP

GND

309

1

0

2

0

3

R109

0.35 2W

C105

0.01/630

C106

100P/1K

BC102

BEAD CORE

R103

8.2

C109 33/25

IC102

PC123Y

C111

0.022

3300P/400

220P/400

T101

EER2828

4

D104

EU01W

2

1

4.0

41

0

IC103

KA431AZ

C112

C113

96

10

11

8

7

12

13

15

23

1

2

0

D109

RU4YXLF

EU01W

ICP-N10

D106

ERC81-004L

D105

EU01W

4.9

4.0

3

2.5

D108

F103

R117

2.2K

470/25

4.7 1/4W

D107

ERA18

C115 47/50

R116

330

R118

L104

C120

FR02

1K

22U

C118

220/10

C116

1000/16

L103

22U

C114

0.047

ZD151

MTZ13A

C121

470/25

C119

47/50

R151

1.2K

470/16

R119

3.3K 1%

R120

2.7K 1%

R121

180

R114 100K

C117

Q151

KTC3203-Y

14.8 11.9

12.5

C151

4.7/50

KTC2804-Y

14.8 11.8

C157

10/16

KTC3203-Y

-16.1 -16.0

R154

R161

ZD153

MTZ13A

KTC3198

-27.3

R164

12K

Q156

-15.4

Q158

KTA1268-BL

35.6 35.3

35.0

1K

270

4.5

5.3

4.5

R158

270

Q153

12.4

Q154

-26.6

R155

R162

5.2

KTA1273

5.2

KTA1273

R159

330

-27.3

R166

2.2K

27K

330

Q162

Q159

C152

4.7/50

R171

3.9K

R165

12K

R167

2.2K

D151

1SS133

C159 10/16

R152

1.2K

KRA103M

5.2

5.3

KRC101M

D152

1N4003A

C153

4.7/50

Q155

R

Q157

KRA103M

5.2

5.3

R169

0

R

0

Q160

C123

47/6.3

D154

1N4003A

11.8 9.4

10.0

ZD152

MTZ10C

L105 100U

ZD104

MTZ5.6B

0

R

4.6

1K

5.3

Q164

KSA1273

R156

10K

5.0

Q161

KTC3199-BL

1N4003A

Q152

KTC3203-Y

10.0

R

0

R170

1K

5.3

R157

1K

0

5.0

0

D155

C156 10/16

0

Q165

KRC101M

C155

0.1

R172

12K

C124 22/16

1B

2B 3B

4B 5B

6B

To TUNER/IF SECTION

1A 2A 3A

To SCART SECTION

1A 3A

1C

12.3V(CAP) 12V(DRUM)

2C 3C

4C

-21VG(F-)

5C

-15VG(F+)

6C

STAND-BY "H"

7C

8C

TIMER "H"

9C

10C

11C

PWR CTL "H"

12C 13C

5.3VA

9V

5VT

33VT

5V

GND

1B 6B

12VA

GND

-27VG

5VG

5VT

5V

5.3VA GND

To SYSCON/ SERVO SECTION

1C 13C

1D

5VT

2D

5V

GND

3D

To AUDIO/ VIDEO SECTION

1D 3D

2019

SCHEMATIC DIAGRAM-2 (AUDIO/VIDEO SECTION)

To POWER SECTION

REC "H" H.AMP SW C.ROTARY

A.MUTE "H"

V.H/SW

IIC DATA

IIC CLOCK

DV.SYNC

VIDEO(VPS)

VIDEO(Y/C)

C.SYNC

COMP OUT

V.ENV

To SYSCON/ SERVO SECTION

P3D01

SP A PB SP REC SP B PB LP A PB LP REC LP B PB

To CYL.HEADS

[FOR FX970Z]

CTL(+)

CTL(-)

To SYSCON/ SERVO SECTION

P3D02

AUDIO PB

AUDIO REC

A/E (+)

A/E (-)

CTL (-)

CTL (+)

To CTL/AUDIO HEADS

P3D03

F/E

GND

To FULL ERASE HEAD

A MAIN(AUDIO/VIDEO SECTION)C.B

5VT

1D

5V

2D

GND

3D

3D1D

R337

*

R337 15K:GX910Z 18K:FX970Z

79 29 28

62 24 91 90 27

54 30

C3A1

0.022

12

C367

0.022

R3A3

1K

C375

0.1

R431

*

4.7K:GX910Z 22K:FX970Z

C320

1

Q3A2

KTC3199-BL

REC "H"

KTC3199-BL

COMP.OUT

[FOR FX970Z]

79

R410

REC "H"

Q405

KTC3203-Y

R421

2.2

C373

12 V.ENV

Q3A1

30

R431

*

10K

R411

22K

79

C419

RF TP

L307 100U

0.1

[FOR GX910Z]

R350

C431

0.01

KTA1267-GR

Q402

KTA1267-GR

C4A1 22/16

0.01

J3A1

J3A2

470

R407

Q401

R420

C418

0.015

220/6.3

*

R3A2

47K

C408

0.015

L402

6800U

22K

1K

47/6.3

C355

0.01

C346

C302

0.047:GX910Z

0.1:FX970Z

R3B1

2.7K:GX910Z

4.7K:FX970Z

C350

0.1 R333 560

R3B1

*

R424 270

KTC3199-BL

R408

2.2K

R409

4.7K

3F 4F 5F

6F 7F 8F 9F

10F

11F 12F 13F 14F 15F

R3A1

2.2K

[FOR FX970Z]

16F

*

16F3F

1 2 3 4 5 6

2F 1F

2F1F

,

6 5 4 3 2 1

2 1

C401

R406

2.7K

C424

C345

0.1

C348

*

R403

6.8K

R404

270

Q403

L405

10U

R419

47

0.1

1/50

C302

[FOR GX910Z]

LA71591M

1.9(4.8)

1.9(0)

1.9(4.8)

4.2(0)

0(0.3)

C466

3.3/50

2.4(1.6)

C410

0.1

2.4(3.3)

C412

0.1

Q404

KTC3199-BL

1

2

3

C420 47/50

R425

R427

47K

R428

R430

3.9K

C402

0.022

IC301

2.4

(1.9)

80 5179 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52

0

81

H.A GND

0

82

0

83

0.7

84

0.7

85

0

H.A

86

GND

5.0

H.A

87

GND

88

0

89 90

91

0.2

REC

92

FM AGC2 DET

93

94

0

A.GND

95

2.3

MUTE

96

0

97

98

4.9

(4.1)

99

2.3V

100

1 30

R412

2.4 2.4 2.5 2.4 0.1

1.8K R413

C413

8.2K

0.01

C423

4.7/50

TL401

BIAS COIL

6

5

4

3.9K

5.03.33.43.43.55.05.0

C-VCC

C-MAIN

Cn-CTL

D.E.

BPF1

P

COMP IN

SERIAL

DECODER

Y-GND

4.9 4.9 0

0

9

90 IIC CLOCK

L301

10U

C311 180P

L306 100u

C354

220/6.3

3.4

NTSC:H

C-DELAY

R

Y/C SEP IN

R

Y.N .R

Y.LPF

R

1/2

RR

RR P

R335

91 IIC DATA

L309 100U

C335

0.1

C332 0.01

0.2

(0.5)

Cn-CTL

P

DEEMP

P

PB-C

FBC

P

B.B

CLAMP

C369

0.022

18K

C312

22P

*

CCD VCC

NL

SYNC

SEP

Chara

INS

R313 L303

R313 330:GX910Z 470:FX970Z

8.2U

L401

C425

2200P

0.1

C403

C422

C406

10/16

C405

10/16

R402 2.2M

5.02.402.42.5

Vref

2.3V

A-VCC

ALC

RF

HEAD AMP

PROCESSING

REC

FM

AGC2

ENV DET

COMP

OUT

R

LINE

AMP ALC

DET

Vref

PB/EE

EQ

AMP

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

R414

C414

0.01

12K

R415 330K

C421

0.022

R416

C415

P

150

22/16

AUDIO SIGNAL PROCESSING

Vref

PB/EE REC:EP/LP PB:EP

AMP

2.4 2.4 0 0 1.0 1.7

(2.4)

5

C416

R417

2200P

1K

C417

1200P

V.H/SW TP

R418

27K

R422

560

5.6K

R323

R324 10K

1.8 (0)

R

KIL

PB FM

AGC

PB FM

EQ

SP

4 15 14

C368

1000P

R490

R491

47K

12K

R305

*

1.5K:GX910Z

1.2K:FX970Z R309

*

750:GX910Z 680:FX970Z

R338

*

270:GX910Z 220:FX970Z

11

2.53.23.4

P

VXO XO

PB EQ THROUGH

LP/EP

A-MUTE/

R302 10K

62 A.MUTE

C343

C344

0.047

0.022

2.0

(2.9)

SECAM DET

PAL M DET

KIL

DET

BPF

NAP

KIL

B.D.

320/321FH VCO

SUB

CONV

BALANCE

REC FM

AGC1

R

P

FM

PROCESSING

RFSW/

HASW IN

REC

C+ROT

R303 18K

R304 10K

R340 18K

28 C.ROTARY

24 V.H/SW

29 H.AMP SW

C301

*

0.047:GX910Z

0.1:FX970Z C310

*

10/16:GX910Z

4.7/50:FX970Z

C342

S-FM IN

5.1

(2.7)

C301

0.01

C-GND

MAIN

CONV

BPF2

REC

FM EQ

FM AGC

*

C376

0.022

4.43MHz

PILOT

P

R

P

DET

1.5

X301

BG

D.E.

S-VHS:OPEN

ACC DET

(1.5)

C3B1

0.033

C305

0.1

8.2K

R322

1/50

C358

8

2.1

(1.4)

2.73.800.6

REC

VXO2 VXO1

APC DET

NTSC-M

PHASE

ALT

REC

APC

ID DET

C-LPF

B-UP AMP

FM

MOD

W/D

CLIP

BAL/TCI

Y-VCC

1.9

2.3 5.1

1

C303

R306

330

4.3(3.8) R341

(1.7)

3.3K

C334

220/6.3

C341

13

R

REC

AFC

R

P

REC BGA

AGC DET

ACC

SUB

LPF

FM

DEM

DOUBLE

LIM

P

3.0

(0.2)

0.01

C306

R305

*

L302 56U

1.2

R307

330

C304

220/6.3

0.022

C340

0.033

P

BEFORE

AFTER

R

CON

(2.5)

27P

C307

L308 12U

1.8(2.3) KTC3199-BL

5.6K

R349

[FOR GX910Z]

C374

1.5K

R326

R321

C339

4.7/50

320FH

VXO

COMB

AMP

NON CORR MES

CORRE

PB BGA BEFORE

PB BGA

P

R

V/I

DETAIL

ENH

R

NL

EMPHA

R

CLAMP

(2.5)

1.9

1.1 R308

2.7K

R309

*

R338

C363

39P

Q301

C353

Q302

KTC3199-BL

5.1

1.3

(1.9)

R310

0.1

2.7K

To SEC DET

AFTER

P

3.0

*

C309 330P

22P

(2.5)

1K

C371

0.1

C337

4.7/50

C338

0.022

SLD

D.E.

CCD

LPF

R

P

2.2

(2.5)

1

*

C310

R312

2.2

1.8K

R311

4.7K

C331

220/6.3

Q304

KTC3199-BL

C336 0.01

12

C COMB

CCD

LC89981/82

DELAY

PROCESSING

CLAMP N.C1 N.C2

PIC-CTL

ANR

PB-Y

Y/C

MIX

P

R

H-PLL

0.1 0.3 0.3

3 610

C370 180P

27 DV.SYNC

33U

*

5.0

1.3

2.602.65.1

CCD GND

Y DELAY

DELAYED

SIGNAL

SYNC

DET

60dB AMP

PB CTLEQTC1

54 C.SYNC

1.9

16

EE

AGC

1.7 (2)

R316

ALWAYS

REG

SYNC

DET

150

79 REC "H"

5V

1212

1.9

VCA DET

AFC DET

AGC TC2

1.1

(4.4)

1SS131

5VT

5V

D301

50

49

48

47

46

45

44

43

42 41

40 39

38

37

36

35

34

33

32 31

C314

1.7(0.6)

0

0.9

2.2

9.5

1.6

1.5

C313

(2.3)

100P

0

2.1 C326

2.8(3.1)

10/16

3.0

5.1

4.1 C322

2.2

47/6.3

1.6

(4.7)

1.8

(3.3)

1.3

(3.4)

1.8

(3.3)

1.9(1.3)

C316

1.5(2.3) 10/16

2.9

C315 10/16

2

R317

0.1

R317

*

100K:GX910Z 120K:FX970Z

5VT

C330

0.01

C329

0.01

C328

0.047

7

*

5V

C325

C319

2

1.6

C327

1

0.1

C318

2.2/50

C317

0.01

R325

1K

2.4

KTA1267-GR

0

Q303

KTA1267-GR

2.6

(2.2)

0

R319

1K

C324

0.1

2

R318

4.7K

Q305

L304 100U

C351

0.1

C323

47/6.3

1G 2G

AUDIO 2

3G

AUDIO 1

6G 5G

MONO AUDIO

4G

To SCART SECTION

VIDEO 1 VIDEO 2

6G1G

:PB Y SIGNAL :PB CHROMA SIGNAL

:PB VIDEO SIGNAL

:REC Y SIGNAL :REC CHROMA SIGNAL

:REC VIDEO SIGNAL

:PB AUDIO SIGNAL :REC AUDIO SIGNAL

ONE VOLTAGE:PB OR REC MODE

*

TWO VOLTAGES:PB AND (REC) MODE

: WAVEFORMS No.

2221

WAVEFORM-1 (VIDEO SECTION)

1

IC301 Pin 20 PBmode 500mvp-p

5

IC301 Pin 6 REC mode

2.2Vp-p

2 3

IC301 Pin 38, 31, 32 Video in 1Vp-p

6

IC301 Pin

29

PB mode

2.1 Vp-p

IC301 Pin

28

PB/REC mode

4.2Vp-p

7 8

IC301 Pin

41

PB mode 400mVp-p

4

IC301 Pin 7 REC mode

1.4Vp-p

IC301 Pin PB mode 600mVp-p

64

9

10

IC301 Pin 23 PB/REC mode 5Vp-p

13 14

IC301 Pin

63

PB mode 600mVp-p

IC301 Pin 24 PB/REC mode 5Vp-p

IC301 Pin 11 PB mode

3.2Vp-p

11 12

IC301 Pin

71 , 72

REC mode 340mVp-p

15

IC301 Pin

10

16

PB mode

1.8Vp-p

IC301 Pin 51 , PB mode 300mVp-p

IC301 Pin 43 PB mode 400mVp-p

52 , 54

23