Daewoo DUB-2850GB Service Manual page 17

QFP 128pin
39 QSSO/AMOUT/AUDEEM (2)
40
41
42
43 DVBO/IFVO/FMRO (2)
44
45
46
47
48
49
50
51
52
53
54
55
56
57
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60
61
62
63
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70
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72 YIN (G/YIN2/CVBS-Yx)
Symbol
GND2
PLLIF
SIFAGC/DVBAGC (2)
DVBO/FMRO (2)
VCC8V
AGC2SIF
VP2
IFVO/SVO/CVBSI (2)
AUDIOIN4L
AUDIOIN4R
CVBS4/Y4
C4
AUDIOIN2L
AUDIOIN2R
CVBS2/Y2
AUDIOIN3L
AUDIOIN3R
CVBS3/Y3
C2/C3
AUDOUTLSL
AUDOUTLSR
AUDOUTHPL
AUDOUTHPR
CVBSO/PIP
SVM
FBISO/CSY
HOUT
VSScomb
VDDcomb
VIN (R/PRIN2/CX)
UIN (B/PBIN2)
Short Description
QSS intercarrier output / AM output /
deemphasis (front-end audio out)
ground 2 for TV processor
IF-PLL loop filter
AGC sound IF / internal-external AGC for
DVB applications
Digital Video Broadcast output / IF video
output / FM radio output
Digital Video Broadcast output / FM radio
output
8 Volt supply for audio switches
AGC capacitor second sound IF
2nd supply voltage TV processor (+5 V)
IF video output / selected CVBS output /
CVBS input
audio-4 input (left signal)
audio-4 input (right signal)
CVBS4/Y4 input
chroma-4 input
audio 2 input (left signal)
audio 2 input (right signal)
CVBS2/Y2 input
audio 3 input (left signal)
audio 3 input (right signal)
CVBS3/Y3 input
chroma-2/3 input
audio output for audio power amplifier
(left signal)
audio output for audio power amplifier
(right signal)
audio output for headphone channel (left
signal)
audio output for headphone channel (right
signal)
CVBS / PIP output
scan velocity modulation output
flyback input/sandcastle output or
composite H/V timing output
horizontal output
ground connection for comb filter
supply voltage for comb filter (5 V)
V-input for YUV interface (2nd R input /
PR input or CX input)
U-input for YUV interface (2nd B input /
PB input)
Y-input for YUV interface (2nd G input / Y
input or CVBS/YX input))
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CP-780 Service Manual