Aiwa TV-21ST3 Bedienungsanleitung

COLOR TELEVISION

TV-21ST3

TV-20ST5

TV-14ST5

S/M Code No. 09-997-333-0N1

SERVICE MANUAL

DATA

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1615

BLOCK DIAGRAM

<20,14>

C BUS INPUT

CONNECTOR

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1817

SCHEMATIC DIAGRAM-1 (MAIN SECTION)

5V REG

9V REG

100µH

<21, 20>: 5.4

<14>: 5.1

<21, 20>: 27k 2W (M/F)

<14>: 27k 3W (M/F)

<21, 20>: 5A 125V

<14>: 4A 125V

<21, 20>: PTH451BG5ROM140

<14>: ZPB31BL7ROB

<21, 20>: 680/160

<14>: 470/160

<21>: 180 20W

(CEM)

<20,14>: 220 15W

(CEM)

E PROM

R348

<21, 20>: 4.7k

<14> : 5.6k

<21, 20>: 120k

<14>: 150k

<21, 20>: 120k

<14>: 68k

QSUR

<20,14>

<21>

8. 9

250V

<21, 20>: 22k

<14>: 10k

<21>: 1.5K 7W (M/F)

<20,14>: 1.2K 7W (M/F)

R807

<21, 20>: 4.7k

<14>: 6.8k

Q803

2SA1175FE

<20,14>

<21,14>: 3.3k

<20> : 3.9k

<14>: 68k

4.7

<20,14>

FBR07HA121NB

<20,14>

<20,14>: 1k

<21>: 680

<21>: 195.2

<20>: 188.3

<14>: 202.3

<21,20>: 270 1/2w

<14>: 390 1/2w

<21,20>: 0.1(M)

<14> : 0.047(M)

<21,20>: 100k

<14> : 82k

<21,14>: 56k

<20> : 39k

<21,20>: 1.2 1W(M/F)

<14> : 1.5 1W(M/F)

<21,20>: 470 1W(M/F)

<14> : 680 1/2W

<21,20>: 2.2 2W

<14>: 2.7 2W

<21,20>: 10/250

<14>: 22/250

22k

<14>: 270k

<21>: MFT3607 (SAN) 21-C

<20>: MFT3608 (SAN) 20-C

<14>: MFT3609 (SAN) 14-C

<21>: 1-250 (M/P)

<20>: 0.56-250 (M/P)

<14>: 0.47-250(M/P)

<21>:

<20,14>:

<21,20>: ZJB-R

<14>: ZJB-U

<21>: 1000P

<20,14>: 4700P

<21,20>: 3.3k 1/2W

<14>: 4.7k 1/2W

<20,14> <14>: 2SD1877

T602

<21,20>: HDT-TV141-2

<14> HD MS-101N

-100

<20,14>

AMP

L302

100µH

<GND>

12.8

L201

SIF

ADJ.

L205

VCO ADJ.

T601

FOCUS ADJ.

SCREEN ADJ.

TP302

Q301, 302

VOLTAGE

CONT.

BUFF

WAVEFORM

SHAPER

WAVEFORM

SHAPER BUFF

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2221

SCHEMATIC DIAGRAM-2 (JK/PS SECTION)

<20>:NC

<14>:GND

<20,14>

Q851, 852

VOLTAGE

CONT.

Q850

STANDBY

SW.

SWITCHING

REG.

STANDBY

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SCHEMATIC DIAGRAM-3 (NK SECTION)

<21,20>: 470/10

<14> : 220/16

<21>:680P

<20>:470P

<14>:270P

<21>:390

<20>:430

<14>:470

<21>:390

<20>:430

<14>:470

<21>:560P

<20>:390P

<14>:270P

<21,20>:2SC3789(D/E)

<14> :2SC346 7(D/E)

<21,20>:2SC3789(D/E)

<14> :2SC3467(D/E)

<21,20>:2SC3789(D/E)

<14> :2SC3467(D/E)

<21>:470P

<20>:330P

<14>:270P

<21,20>: 1.8k

<14> : 3.3k

<21,20>:1.8k

<14> :3.3k

<21,20>:1.8k

<14> :3.3k

C904

<21,14>:2.7

<20> :2.8

TO A

MAIN C.B

BT601

TO A

MAIN C.B

BT301

SPOT KILLER

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2827

IC BLOCK DIAGRAM

IC, TA1230Z IC, AN5285K IC, LA7832

IC, TA1201CN IC, LA4600

IC, TC90A45P[TV-21ST3] IC, STR-G6651

IC, MM1454XD

IC, MM1311AD

BUF 4.5fH

TRAP

SUB SIGNAL

BPF 3.5fH

BPF/TRAP LIMMIT

DEMOD.

15KHz

LPF

15KHz

LPF

COMP.

DE-

EMPHA.

DE-

EMPHA.

MATRIX

CONT.

3fH

TRAP Q-DET. 1KHz

BPF

32fH

OSC

32fH 32fH FILTER

CONTROL

GND VCC MONO

COMPULSION

Q SIGNAL

OFFSET

REMOVEL

BIAS MODE

GND

FILTER

AUTO ADJ. BAND

GAP

REG.

DISCRIMI-

NATION

13 567

1814

1520

19 2

MPX

MONO

STEREO

BILINGUAL

MONO

OUT

MUTE

MAIN OFFSET

REMOVEL

SUB OFFSET

REMOVEL

LIMITER

REMOVEL

L OUT

R OUT

56 55 54 53 52 51 50

SIF

GND SIF

VCC

49 48 47 46 45 44 43 42 41 40 39 38 37 36 35

GND 32FH

VCO H

AFC H

OUT SYNC

OUT FBP

IN X

RAY

ABLTV INACL

EXIT

VIDEO

BLANK

DET

AV SW

OUT

RESET

Y IN

AFT

CHROMA

VCC

TV DET

OUT

SIF

VCC

PIF

TANK

PIF

TANK

SIF

GND

LIMIT

AUDIO

TV IN

EMPHASIS

LAUDIO

R AUDIO

IN 34 33 32 31 30 29

24 25 26 27 2819 20 21 22 2314 15 16 17 18

D.VCC

910111213

GND

456

PIF

END PIF

R OUT L OUT RF

AGC SIF

TANK AGC

FILT PIF

IN PIF

VCC LOOP

FILT APC

FILT VCXO FAST

BLANKING

R IN G IN B IN R OUTG OUTB OUTV OUT NFB

V RAMP

V SEPA

FILT SCL SDA

78123

DET LIMMITTER

VCO

VCXO

AFC

KILLER

COLOR

ACC

AFT

BPF

ACC

CLAMP

3.58

TRAP

Y-DL

LPF

32fH

VCO

H C/D

AFC-1

X-RAY

H.RAMP

H.OUT

AFC-2

V C/D

BUS INTERFACE

ANALOG RGB

LOCK

DET

AGC

DET

AGC

DET 1

DET

SHARPNESS

CONTRAST

BRIGHT

MATRIX

CUT OFF/

DRIVE V.RAMP

H.VCC

ATT.

TNT

DEMODU

DC P.B. SMOOTH

WPS

H SYNC SEPA.

V SYNC SEPA.

CLAMP

ADC

V IN

FSC IN PLL SYSTEM CLOCK

1H LINE

MEMORY

BPF

DINAMIC

COM FILTER BPF

COLOR

KILLER

DAC Y OUT

C OUT

KIL

ADAC

1/2

R IN

L IN

CTL

50K

VCA

Level

Sensor 1

Level

Sensor 1

Level

Sensor 2

CTL

VCA

9256

GND

VREF

LS1

LS2

V/I REG.

R OUT

L OUT

VCC

STANDBY SW

P.P

GND

R OU

L OU

R IN

L IN

CH1

INPUTAMP

CH2

INPUTAMP

PRE DRIVE

AMP

PRE DRIVE

AMP

OUTPUT

AMP

OUTPUT

AMP

REF

AMP

Vcc

Rf1

Rf2

RN11

RN12

TSD PROTECTER

REPLE FILTER

FILTER

NOISE

PREVENTION

START

O.V.P LATCH DRIVE

OSC

T.S.D

REG

COMP2

FB OCP

SOURC

GND

DRAIN

COMP1

Vth(2)

Vth(1)

1234567

GND PULSE

VCC

OSC

STOP

INPUT

V OUT

POMP UP

VERTICAL

DRIVE

VERTICAL

OUTPUT

THERMAL

PROTECT

16 15 14 13 12 11 10 9

87654321

BIAS

R IN MUTE QSUR DET QF6 R OUT L OUT GND

QF5QF4

QF3

QF2

QF1

V REF

L INVCC

QSURROUND

-6dB

6dB

-6dB

GND

V OUT

Y IN

Y OUT

C IN

C OUT

VCC

TV-L

V1-V

V2-V

V3-V

V1-Y

V2-Y

V1-C

V2-C

TV-L

V1-L

V2-L

V3-L

TV-R

V1-R

V2-R

V3-R

BIAS

SDA

SCL

MUTE

ADR

Y IN

L OUT

BIAS

I C LOGIC

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