Panasonic EURO 4 Chassis Technical Manual page 137

3DQDVRQLF
Chapter 4
2.6. Secondary side
On the secondary side of transformer T4801 the
voltages supplied are as follows:
1. 12V, 5V and 3.3V are used to supply operating
voltages to the DVB digital processing ICs.
2. 5V supply used by the conditional access
module
)URP 9
7
7R SLQ 
,&
3.
Although the secondary voltages are relatively stable
with short term load variations being compensated for
by IC4801, it is still necessary to stabilise the following
voltages: both 5V supplies, 9V and 12V.
9
54
EURO 4D Supplement
32V to supply the digital tuner