Specifications

Circuit description of CCM420 monitor Application Note
AN97032
Philips Semiconductors
9
• Level TTL
• Polarity Positive or negative
• Horizontal frequency 15 to 84 kHz
• Vertical frequency 50 to 160 Hz
User interface
• Control Five button keyboard plus USER/SERVICE switch
• Indication On Screen Display with 4 lines of 12 characters
1.2 List of abbreviations
A1 Auxiliary 1
A2 Auxiliary 2
A3 Auxiliary 3
A4 Auxiliary 4
AGCDIS Automatic gain control in vertical oscillator enabled/disabled
ASDC Auto-Sync Deflection Controller
BB Blue Black level
BG Blue gain
Black Lvl B Blue channel black level control register in the TDA4885
Black Lvl G Green channel black level control register in the TDA4885
Black Lvl R Red channel black level control register in the TDA4885
BLKDIS Vertical protection at ‘Clamping/blanking’ and ‘Horizontal unlock’ enabled/disabled in the TDA4854
Brightness Brightness control register in the TDA4885
CLAMP Selection of trailing/leading edge horizontal clamping pulse in the TDA4854
Contrast Contrast control register in the TDA4885
CRT Cathode Ray Tube
CT Colour temperature
DDC Display Data Channel
DISO On Screen Display enabled/disabled in the TDA4885
DISV Video signals enabled/disabled in the TDA4885
DPMS Display Power Management Signalling
EHT Extreme High Tension
ENN Fast blanking pulse for On Screen Display
EW East-West
FHMULT East-West output tracking with / independent of horizontal frequency in the TDA4854