Service manual CP-385 / CP-785
Contents
1 - Main features ................................................................................................................................. 2
1-1 Specifications .................................................................................................................... 2
1-2 Channel table .................................................................................................................... 4
1-3 ATSS sorting method ........................................................................................................ 7
2 - Safety instruction.......................................................................................................................... 9
3 - Alignment instructions ................................................................................................................. 10
3-1 Microcontroller configuration : Service mode .................................................................... 10
3-2 Microcontroller configuration : Option................................................................................ 10
3-3 TV set Alignment............................................................................................................... 10
4 - IC description ................................................................................................................................ 13
4-1 TDA936x TV signal processor - TXT with embedded m-Controller. ..................................13
4-2 MSP3415D Multistandard Sound Processor..................................................................... 21
4-3 TDA894xJ Stereo Audio Amplifier..................................................................................... 25
4-4 TDA835xJ Vertical Amplifier.............................................................................................. 26
4-4-1 TDA8357J............................................................................................................... 26
4-4-1 TDA8358J............................................................................................................... 28
4-5 TDA6107Q ........................................................................................................................ 29
4-6 24C08 8 Kbit EEPROM ..................................................................................................... 30
4-7 STR - F6653...................................................................................................................... 31
5 - Circuit description......................................................................................................................... 33
5-1 Block diagram.................................................................................................................... 33
5-2 IF ....................................................................................................................................... 37
5-3 Source switching ............................................................................................................... 39
5-4 m-Controller I/O pin configuration and function.................................................................. 39
5-5 Sound processing.............................................................................................................. 40
5-6 Sound amplification........................................................................................................... 43
5-7 Vertical deflection .............................................................................................................. 43
5-8 Power supply (STR F6653)............................................................................................... 45
5-9 TV start-up, TV normal run and stand by mode operations ..............................................49
6 -Service parts list............................................................................................................................. 56
6-1 DTA-21Y1L(CP-385) ........................................................................................................ 56
6-2 DTE-28G2F(CP-785)......................................................................................................... 62
7 - Exploded view ...............................................................................................................................
8 - PCB Layout....................................................................................................................................
9 - Circuit Diagram..............................................................................................................................
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