
Tuner
Tuner consists of LPF/HPF,Single Tune,RF amplifier,Double Tune and MOP
circuits.(see the block diagram)
ⓐ
LPF/HPF(Low Pass Filter/High Pass Filter)
-. IF rejection : preventing for IF frequency signal interference from antenna.
-. LPF : for VHF band ,remove UHF band signal
-. HPF : for UHF band, remove VHF band signal
ⓑ
Single Tune/RF AMP
-. Single Tune: for receiving Channel initially
-. RF AMP : Gain control of tuned signal from Single Tune.
AMP Gain is controlled by AGC circuits in IF Demodulator.
ⓒ
Double Tune
-. Improve the band quality,
-. minimize the loss of band signal
-. Remove the spurious signal
Summary of Contents for DVD-R129
Page 4: ...14 Reference Information 14 1 14 4 14 1 About IEEE 1394 14 1 CONTENTS ...
Page 10: ...Precautions 1 6 Samsung Electronics MEMO ...
Page 22: ...Product Specification 2 12 Samsung Electronics MEMO ...
Page 49: ...Samsung Electronics 6 1 6 Exploded View and Parts List 6 1 Cabinet Assembly Page 6 2 ...
Page 52: ...Exploded Views and Parts List 6 4 Samsung Electronics MEMO ...
Page 73: ...Samsung Electronics 9 1 9 Wiring Diagram ...
Page 74: ...Wiring Diagram 9 2 Samsung Electronics MEMO ...
Page 77: ...PCB Diagrams Samsung Electronics 10 3 FIC1 DIC5 DIC4 VIC1 CONDUCTOR SIDE ...
Page 80: ...PCB Diagrams 10 6 Samsung Electronics 10 3 Key PCB COMPONENT SIDE CONDUCTOR SIDE ...
Page 81: ...PCB Diagrams Samsung Electronics 10 7 10 4 Sub PCB COMPONENT SIDE CONDUCTOR SIDE ...
Page 82: ...PCB Diagrams 10 8 Samsung Electronics MEMO ...
Page 114: ...Operating Instructions 12 18 Samsung Electronics MEMO ...
Page 130: ...Circuit Operating Descriptions 13 16 Samsung Electronics MEMO ...
Page 134: ...Reference Information 14 4 Samsung Electronics MEMO ...
Page 139: ... Product Specification ...
Page 140: ... Chassis Product Specification ...
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Page 162: ... Block diagram ...
Page 166: ...7 11 Tuner Demodulator Block diagram of Tuner ...
Page 189: ...8 Troubleshooting ...
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