Technology of Q 2500 colour TV set

Technology of Q 2500 colour TV set4.7 Video/deflection processor TDA 9332/RangeVideo/RGB path.................................................... 1024.7.1 Matrix circuits and signal.................. 1034.7.2 Control stages.................................... 1054.7.3 I²C bus interface and ......................... 1054.8 Picture in picture ....................................... 1054.9 Video/deflection controller TDA9332(deflection area) .................................................... 1084.9.1 Clock generation/Phase 2 loop .......... 1084.9.2 DAC for OW/V control..................... 1084.9.3 Beam current dependent correction... 1085 Audio signal processing.......................1105.1 Audio-Signal path Block diagram Q 2500H/M and B............................................................. 1105.2 Demodulator/Decoder-Block .................... 1125.2.1 Audio baseband processing ............... 1135.2.2 Demodulator/decoder block .............. 1135.2.3 Nicam processing .............................. 1145.2.4 Audio signals from the interface ....... 1145.2.5 AM audio signals at L standard......... 1145.2.6 Audio base band processor................ 1155.2.7 Loudspeaker branch .......................... 1155.2.8 Loudness ........................................... 1155.2.9 Sound setting..................................... 1155.2.10 Loudspeaker control and AVC.......... 1165.2.11 DAC .................................................. 1165.2.12 Headphone branch............................. 1165.2.13 Interface branch................................. 1165.2.14 Deadline volume ............................... 1165.2.15 Mute circuit ....................................... 1175.2.16 Headphone amplifier ......................... 1195.3 AC3 module (Dolby Digital)..................... 1215.3.1 Block diagram, AC3 module............. 1215.3.2 AC 3 signal processing...................... 1215.3.3 AC 3 IC functions ............................. 1236 Interface switching ...............................123Document Q 2500 4 © Loewe ProCollege