Specifications

Circuit description of CCM420 monitor Application Note
AN97032
Philips Semiconductors
4
Summary
This application note includes a brief description of the circuits of the CCM420 demo monitor excluding the
video part (see references); complete circuit diagrams plus printed circuit board lay-out and parts list as well as
hints on the pcb lay-out are given. Debugging of the main printed circuit board and alignment in a complete
monitor is also included in the report. Highlights of this design are the I
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C controlled monitor deflection controller
TDA4854, I
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C controlled video controller TDA4885, full-bridge vertical deflection booster TDA8354, monitor
Microcontroller P83C181* and the control software CCM420S. Combining this board with the CMT
M41EHN323X145 and video board completes the CCM420 monitor.
* The Microcontroller P83C181 is pruned. It can be replaced by the P83C180. This device however has 42 pins
(additional DACs are included) which requires a redesign of the pcb. See also appendix CICT IC newsletter no.
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