Daewoo DTQ-29U1SCV Service Manual

Also see for CN-400FN: Service manual

Contents

-27-IC DESCRIPTIONSYMBOLSTANDARDVERSIONFACE DOWNVERSIONDESCRIPTIONSTEREO +AV STEREO QFP128FULL-STEREO/MONO+ AV STEREO SSDIP90MONOSTEREO +AV STEREO QFP128FULL-STEREO/MONO+ AV STEREO SSDIP90MONOVSSP2 1 1 128 90 groundVSSC4 2 1 127 90 groundVDDC4 3 3 126 88 digital supply to SDACs (1.8V)VDDA3(3.3V) 4 16 125 75 supply (3.3 V)VREF_POS_LSL 5 16 124 75 positive reference voltage SDAC (3.3 V)VREF_NEG_LSL+HPL 6 17 123 74 negative reference voltage SDAC (0 V)VREF_POS_LSR+HPR 7 16 122 75 positive reference voltage SDAC (3.3 V)VREF_NEG_HPL+HPR 8 17 121 74 negative reference voltage SDAC (0 V)VREF_POS_HPR 9 16 120 75 positive reference voltage SDAC (3.3 V)XTALIN 10 18 119 73 crystal oscillator inputXTALOUT 11 19 118 72 crystal oscillator outputVSSA1 12 20 117 71 groundVGUARD/SWIO 13 69 116 22 V-guard input / I/O switch (e.g. 4 mA currentsinking capability for direct drive of LEDs)DECDIG 14 21 115 70 decoupling digital supplyVP1 15 22 114 69 1st supply voltage TV-processor (+5 V)PH2LF 16 23 113 68 phase-2 lterPH1LF 17 24 112 67 phase-1 lterGND1 18 25 111 66 ground 1 for TV-processorSECPLL 19 26 110 65 SECAM PLL decouplingDECBG 20 27 109 64 bandgap decouplingEWD/AVL (1) 21 66 108 25 East-West drive output or AVL capacitorVDRB 22 68 107 23 vertical drive B outputVDRA 23 67 106 24 vertical drive A outputVIFIN1 24 28 105 63 IF input 1