Circuit Operating Descriptions
13-34
Samsung Electronics
(3) Modulator Section
A. RF Modulator generates, from a baseband video and audio signal, PLL frequency synthesized RF TV channel
signal in VHF band. (3ch = 61.25MHz, 4ch = 67.25MHz)
B. PLL synthesized audio FM (4.5MHz).
C. The 4.43MHz reference frequency for PLL can either be generated internally or input from an external source.
Fig. 13-31 Modulator Section Block Diagram
ANTENNA
TO TUNER SECTION
HIGH CH
OSC
LOW CH
OSC
CH S/W
ANT S/W
VIDEO
OUT
TO TV
AUDIO IN
2
ANT S/W
DRIVER
VIDEO
MOD.
FM
MOD.
AUDIO
CARRIER
MOD.
WHITE
CLIP
VIDEO IN
6
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 ...