
|
| Chapter | |
|
|
|
|
| IICDATA | IIC data line. |
|
|
| between SCB and other circuit boards. See detailed description for |
|
|
| list of signals transferred and data direction. |
|
|
|
|
|
|
|
| |
|
| Raster Timing Generator |
|
| Inputs | Description |
|
| /VFBST | Signal to control the vertical oscillator frequency and retrace timing |
|
| /HSYNCR | Regenerated horizontal sync signal |
|
|
|
|
|
|
|
| |
| Outputs | Description |
|
| /HVFLBCK | Pulse signal representing horizontal flyback used to determine phase of |
|
|
| image |
|
|
|
|
|
|
|
| |
|
| Vertical Deflection Board |
|
| Inputs | Description |
|
| GEOCORR | Periodic signal for L/R keystone and L/R pincushion correction |
|
| FLRCLING | TTL level indicating whether or not raster is inverted |
|
|
|
|
|
|
|
| |
| Outputs | Description |
|
| VERTDR | Pulse output from vertical oscillator. |
|
| HLINR | DC voltage controlling horizontal edge linearity correction |
|
| HFDBK | DC voltage proportional to the H power supply output voltage |
|
| WIDTH | DC voltage indicating commanded width. |
|
| TBKEYCOR | DC voltage representing commanded top and bottom keystone correction |
|
| HSENSRED | DC voltage, high when flyback pulse for red yoke is present at normal |
|
|
| frequencies. |
|
| HSENSBLU | Similar to HSENSRED. |
|
| HSENSGRN | Similar to HSENSRED. |
|
|
|
|
|
|
|
| |
|
| Main Horizontal Deflection Coils |
|
| Inputs | Description |
|
| /INLCK | Return from series |
|
|
|
|
|
|
|
| |
| Outputs | Description |
|
| +INLCK | Negative voltage supply from the horizontal power supply to the daisy- |
|
|
| chained yoke connector interlock. |
|
| +BHORYK | Positive supply from the centering current source to the blue horizontal |
|
|
| main deflection coil. |
|
|
| Return from the blue horizontal main deflection coil to the horizontal |
|
|
| deflection power transistor. |
|
| +GHORYK | Similar to +BHORYK. |
|
| Similar to |
| |
| +RHORYK | Similar to +BHORYK. |
|
| Similar to |
| |
|
|
|
|
Model 330, 340SC and 370SC Service Manual |