Service manual

CP-850/F Service Manual
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CONTENTS
1 MAIN FEATURES 5
1.1 SPECIFICATIONS 5
1.1.1 GENERAL 5
1.2 CHANNEL/FREQUENCY TABLE 6
1.3 ATSS SORTING METHOD 9
1.3.1 GENERAL CASE 9
2 SAFETY INSTRUCTION 11
3 ALIGNMENT INSTRUCTIONS 12
3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODE 12
3.2 SERVICE MODE NAVIGATION 12
3.3 MICROCONTROLLER CONFIGURATION : OPTION BITS 12
3.3.1 OPTION 1 13
3.3.2 OPTION 2 13
3.4 TV SET ALIGNMENT 13
3.4.1 LOCAL OSCILLATOR ALIGNMENT 13
3.4.2 G2 ALIGNMENT 13
3.4.3 WHITE BALANCE 14
3.4.4 FOCUS 14
3.4.5 VERTICAL GEOMETRY 14
3.4.6 HORIZONTAL PICTURE CENTRING 14
3.4.7 EAST / WEST CORRECTION 14
3.4.8 AGC 15
4 IC DESCRIPTION 16
4.1 TELETEXT DECODER WITH EMBEDDED 8-BIT CONTROLLER 16
4.1.1 BLOCK DIAGRAM OF THE SDA55XX 16
4.1.2 DESCRIPTION 16
4.1.3 IC MARKING AND VERSION 17
4.1.4 PINNING 17
4.2 VSP9405 - SCAN RATE CONVERTER INCLUDING MULTISTANDARD COLOUR
DECODER 18
4.2.1 BLOCK DIAGRAM OF THE VSP9405 19
4.2.2 DESCRIPTION 19
4.2.3 PINNING 21
4.3 DDP 3315C - DISPLAY AND DEFLECTION PROCESSOR 26
4.3.1 BLOCK DIAGRAM OF THE DDP 3315C 26
4.3.2 DESCRIPTION 27
4.3.3 PINNING 29
4.4 MSP341X MULTISTANDARD SOUND PROCESSOR 31
4.4.1 BASIC FEATURES OF THE MSP 341X 31
4.4.1.1 Demodulator & NICAM Decoder Section 31