Daewoo DUB-2850, Руководство по обслуживанию

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