Circuit Operating Descriptions
13-1
Samsung Electronics
13-1 Power Supply (Free Voltage)
(1) Comparsion between Linear Power Supply and S.M.P.S.
(a) Linear
Vreg
Vout
+
–
+
+
–
Vs
(Ns)
Vp
(Np)
REGULATOR
Common power
(Ex.220V 50Hz)
Fig. 13-1 Linear Power Supply
◆
Waveform/Description
Vs
t
0
Fig. 13-2
Vs
t
0
Fig. 13-3
Vout
t
0
Fig. 13-4
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.
13. Circuit Operating Descriptions
Summary of Contents for DVD-V5450
Page 23: ...Reference Information 14 12 Samsung Electronics Fig 14 14 Mecha Timing Chart Kaiser II ...
Page 37: ...Reference Information 14 26 Samsung Electronics MEMO ...
Page 49: ...Product Specification 2 12 Samsung Electronics MEMO ...
Page 109: ...Operating Instructions 12 60 Samsung Electronics MEMO ...
Page 237: ...Troubleshooting 5 34 Samsung Electronics MEMO ...
Page 247: ...Exploded View and Parts List 6 10 Samsung Electronics MEMO ...
Page 263: ...Block Diagram 8 2 MEMO Samsung Electronics ...
Page 265: ...PCB Diagrams 10 2 Samsung Electronics 10 1 VCR Main PCB COMPONENT SIDE ...
Page 266: ...PCB Diagrams 10 3 Samsung Electronics CONDUCTOR SIDE ...
Page 267: ...PCB Diagrams 10 4 Samsung Electronics 10 2 DVD Main PCB COMPONENT SIDE ...
Page 268: ...PCB Diagrams 10 5 Samsung Electronics CONDUCTOR SIDE ...
Page 270: ...9 1 9 Wiring Diagram Samsung Electronics ...
Page 271: ...Wiring Diagram 9 2 MEMO Samsung Electronics ...