Daewoo DVT-14/20H1(T)D, DVT-14/20H2(T)P, DVT-14/20H1(T)P, DVT-14/20H2(T)D PB Luminance process

Models: DVT-14/20H1(T)P DVT-14/20H1(T)F DVT-14/20H1(T)D DVT-14/20H2(T)D DVT-14H2(T)FG/(T)PG DVT-14H2(T)FB/(T)PB DVT-14/20H2(T)P DVT-14/20H2(T)F

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CIRCUIT DESCRIPTION

Appendix

PB Luminance process

PB Luminance process

 

 

 

 

 

HEAD

 

ICY01

 

 

 

 

 

 

 

46

 

 

 

 

 

 

 

 

 

CCD

45

82

85

 

 

 

 

 

COMB

 

 

 

 

 

 

SP/LP

 

SUB LPF

 

MAIN

43

 

 

 

 

 

 

DEEMPHASIS

 

 

 

 

 

 

41

PB FM AGC

FM DEMOD

 

 

 

 

 

 

 

 

CLAMP

PB FM EQ

DOUBLE

 

 

 

 

 

LIMITER

 

YNR

Y/C MIX

PHASE

 

 

 

Y- LPF

QV INSERT

COMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AMP

18

 

17

21

20

29

 

QCY01

 

 

QCY02

QCY03

Fig .4 PB Luminance Process

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Image 36
Daewoo DVT-14/20H1(T)D, DVT-14/20H2(T)P, DVT-14/20H1(T)P, DVT-14/20H2(T)D, DVT-14/20H2(T)F service manual PB Luminance process