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Contents
MICROPOWER CONTROL.........................................................................................................................................................1
POWER SUPPLY ........................................................................................................................................................................2
RECEPTION ................................................................................................................................................................................4
AUDIO SECTION........................................................................................................................................................................5
Multistandard Sound Processor, ICa2................................................................................................................................5
Audio Power Amplifier, ICa1...............................................................................................................................................6
Headphone Amplifier, ICa3 .................................................................................................................................................6
VIDEO SECTION ........................................................................................................................................................................7
Video Matrix Switch, ICq1...................................................................................................................................................7
Colour Decoder / Sync Processor, ICd1 .............................................................................................................................7
Baseband Delay Line, ICd3 .................................................................................................................................................8
Feature boxes, DB7** .........................................................................................................................................................9
Feature box DB711 ..............................................................................................................................................................9
Analog to digital converter, ic9...........................................................................................................................................9
Field memory, ic14 ............................................................................................................................................................10
IQTV2 circuit, ic18 ..............................................................................................................................................................10
DPLL1 circuit, ic11 .............................................................................................................................................................11
Deflection Controller TDA9151, IC17 ...............................................................................................................................11
Feature box DB710 ............................................................................................................................................................12
Feature box DB700 ............................................................................................................................................................12
RGB Video Processor TDA4780, ICt1 ...............................................................................................................................13
CRT module........................................................................................................................................................................14
Teletext ...............................................................................................................................................................................15
Megatext SDA5273, ICr1 ...................................................................................................................................................15
Megatext Plus SDA5275, ICr1 ...........................................................................................................................................15
Teletext memory DRAM, icr2............................................................................................................................................15
CONTROL SYSTEM .................................................................................................................................................................16
Program memory, ICf1 ......................................................................................................................................................16
NV RAM, ICf2 .....................................................................................................................................................................16
Microcontroller, icf3...........................................................................................................................................................16
AND gate, icf4 ....................................................................................................................................................................17
Reset circuit, icf5................................................................................................................................................................17
DEFLECTION STAGES.............................................................................................................................................................19
Vertical deflection ..............................................................................................................................................................19
Horizontal deflection .........................................................................................................................................................19
OPTIONS ..................................................................................................................................................................................21
Active Subwoofer ..............................................................................................................................................................21
Comb Filter module, CF700 ..............................................................................................................................................21
Scan Velocity Modulation module, VM600 .....................................................................................................................22
Audio Feature modules, AR700 and AR701 ....................................................................................................................23
Adjustable Audio Output module, TA700 ........................................................................................................................27
Scart 3 + VGA-audio module, TA710 ...............................................................................................................................27
Scart 3 module, TA711 ......................................................................................................................................................27
Picture in Picture module, PP700 .....................................................................................................................................27
Picture in Picture module, PP710 .....................................................................................................................................28 |