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Daewoo DWP-28W2ZLF User Manual

Page 33

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Appendix Service manual WP-795

- 6 -

RF AGC in

6

ADC 1 : For factory use only ( High impedance )

Key-in

7

ADC 2 : local key input ( High impedance )

S/SW 8

ADC 3 : Scart Slow switching input ( See XXX)

VssC/P 9

digital ground for

µ

-controller core and peripheral

LED 1

10 port 0.5 ( 8mA current sinking capability )

PANO

11 port 0.6 ( 8mA current sinking capability )

VSSA

12 analog ground of teletext decoder and digital ground of TV

processor

SEC PLL 13 SECAM

PLL decoupling

VP2 14 2nd supply voltage TV-processor
DECDIG 15 decoupling digital supply of TV-processor
PH2LF

16 phase-2 filter

PH1LF

17 phase-1 filter

GND3 18 ground 3 for TV-processor
DECBG

19 bandgap decoupling

AVL/EWD 20 East / West drive output
VDRB

21 vertical drive B

output

VDRA

22 vertical drive A output

IFIN1

23 IF input 1

IFIN2

24 IF input 2

IREF 25

reference

current

input

VSC

26 vertical sawtooth capacitor

TUNERAGC 27 tuner AGC output
SIFIN1

28 SIF input 1

SIFIN2

29 SIF input 2

GND2

30 ground 2 for TV processor

SIF AGC

31 AGC sound IF

REF0 32 n.u.
HOUT 33

horizontal

output

FBISO

34 flyback input / sandcastle output

QSS out

35 QSS intercarrier output

EHT0 36 EHT/Overvoltage

protection

PLLIF

37 IF PLL loop filter

IFVO 38 IF video output
VP1 39 main supply voltage TV-processor
CVBSINT 40 internal CVBS input
GND1 41 ground 1 for TV-processor
CVBS/Y 42 external

CVBS/Y

input

CHROMA 43 chrominance

input

(SVHS)

AMOUT 44 n.u.
INSSW2 45 2nd

RGB insertion input

R2IN 46 2nd R input
G2IN 47 2nd G input
B2IN 48 2nd B input
BCLIN

49 beam current limiter input

BLKIN

50 black current input

R0 51 RED

Output

G0 52

GREEN

Output

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