Samsung Electronics
7-1
7. Circuit Operating Descriptions
7-1 Power
7-1-1 Comparsion between Linear Power Supply and S.M.P.S.
7-1-1 (a) Linear
Vreg
Vout
+
–
+
+
–
Vs
(Ns)
Vp
(Np)
REGULATOR
Common power
(Ex.230V 50/60Hz)
Fig. 7-1 Linear Power Supply
◆
Waveform/Description
Vs
t
0
Fig. 7-2
Vs
t
0
Fig. 7-3
Vout
t
0
Fig. 7-4
Input : Common power to transformer (Vp).
The output Vs of transformer is determined by the ratio
of 1st Np and 2nd Ns.
Vs = (Ns/Np) x Vp
Vout is output (DC) by diode and condensor.
Summary of Contents for DVD-E234
Page 57: ...Samsung Electronics 10 1 10 Wiring Diagram ...
Page 59: ...Schematic Diagrams 11 2 Samsung Electronics 11 1 Power ...
Page 61: ...Schematic Diagrams 11 4 Samsung Electronics 11 3 Servo ...
Page 62: ...Schematic Diagrams Samsung Electronics 11 5 11 4 Front Micom VFD Display ...
Page 63: ...Schematic Diagrams 11 6 Samsung Electronics 11 5 Video ...
Page 64: ...Schematic Diagrams Samsung Electronics 11 7 11 6 Audio ...