Aiwa HV-GX900 K Wartungshandbuch PDF herunterladen (Seite 14)

1615

BLOCK DIAGRAM-4 (VIDEO SECTION)

ACC

C. COMB LPF

Y

DELAY

MAIN

CONV

C LPF

PB EQ

LPF

YNR

NL

DE EMP

Y/C

MIX

6dB AMP

CLAMP

SERIAL

DECODER

IIC BUS

INTERFACE

DATA

ACQUISITION

SYNC

SEP

DATA

LATCH

DOUBLE

LIMIT

PB

PEAKING

MAIN

DE-EMPH

V.H S/WA.AMP

SW

A.MUTE

"H"

CLOCK DATA C SYNC

V.OUT

(TO MICOM)

PB FM

AGC

ENV

DET

FM

DEM

SUB

LPF

SP ’B’ PB

SP ’A’ PB

V. ENV

COLOR

ROTARY

88

5774 59 52 54 51 61 72 71

46

45

43

41

91

93

10 18 17 21 20 23 24 28 29

11

LP ’A’ PB

LP ’B’ PB

82

85

IC301

LA71598M

AUDIO/VIDEO

PROCESSOR

IC301

LA71598M

AUDIO/VIDEO

PROCESSOR

IC7V1

LC74793

VPS/PDC DECODER

Q301

Q302

Q303

Q304

Q304

6

7

16

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FROM

CYL.HEADS

To

CYL.HEADS

<8200,7700,710>

<8200,7700,710>

To

SYSTEM CONTROL/

SERVO/OSD

SECTION

To

SYSTEM CONTROL/

SERVO/OSD

SECTION

SP REC

C. SYNC REC ’H’

V.OUT

(TO MICOM)

90

LP REC

84

71 72 61 51 52 54 57 59

46

45

43

41

38

34

32

31

3029281918

+

REC FM

EQ

FM

MOD

W/D

CLIP

MAIN

EMPH

AGC

FBC

NL EMPH

DETAIL

ENH

Y-LPF

YNR

BPF1

C. COMB

BPF

Y

DELAY

COMB

AMP

CCD

LPF

S/W

V. IN 1

V. IN 2

V. IN 3

V.H S/WA.AMP

SW

A.MUTE

"H"

COLOR

ROTARY

10

11

SERIAL

DECODER

CLOCK DATA

23 24

Q303

VIDEO

JK9K1

AV3 IN

PKM02PMK02

1

KYE 2 C.B

<8200>

To

Hi-Fi AUDIO/

SCART

SECTION

:PB VIDEO SIGNAL

:PB YSIGNAL

:REC VIDEO SIGNAL

:PB CHROMA SIGNAL

:REC Y SIGNAL

:REC CHROMA SIGNAL

R308,R309,

C309

36

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<7700,710,955>

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