Specifications

Tuner and IF ............................................................ Page 31
Tuner and IF processing ............................................. Page 31
Automatic frequency control .................................... Page 32
Tuning features ............................................. Page 32
IF signals ........................................................ Page 33
Audio IF processing .......................................... Page 34
Video IF and signal processing .................................. Page 34
RF AGC operation ................................................. Page 35
Automatic tuning operation ........................................... Page 35
Audio Processing ......................................................... Page 36
Signal sources and generation ........................................ Page 37
Signal switching ................................................... Page 37
Loudspeakers driver stage ........................................... Page 37
Sound Retrieval System ( SRS ) ....................................... Page 38
Headphone driver stage ............................................. Page 38
Video Processing ......................................................... Page 39
Signal sources and switching ......................................... Page 40
RGB Switching .................................................... Page 41
Teletext ......................................................... Page 42
On screen display .................................................. Page 42
CRT drive circuit ................................................... Page 43
Indicating Devices ........................................................ Page 44
Practical Fault Finding ..................................................... Page 45
I C bus line disconnection ............................................ Page 45
2
Tuner ..................................................... Page 45
IC201 ( IF, Y/C processor and time base generator ) ................. Page 45
IC305 ( Sound processor ) ..................................... Page 45
SRS module ................................................ Page 45
Shorting of SDA to SCL ....................................... Page 45
Disconnection of IC703 .............................................. Page 45
Power supply voltage line resistances to earth ............................ Page 46
Service Set Up Mode ..................................................... Page 46
Access and operation ............................................... Page 46
Adjustments ...................................................... Page 46
Vertical adjustments .......................................... Page 46
Line ...................................................... Page 46
CA1 Receiver Specifications ................................................ Page 48
CA1 Power Supply ....................................................... Page 50
Regulation Control Circuit ............................................ Page 50
IC201 Supply ..................................................... Page 51
CA1 Reset .............................................................. Page 52
Data .................................................................. Page 53
CA1 Power On Control .................................................... Page 54
CA1 Protection .......................................................... Page 55
Automatic Beam Current Limiting and X-Ray Protection ..................... Page 55
CA1 Discrete Component Vertical Stage ....................................... Page 56