Overall Block Description - Samsung KS7D Service Manual

13. Circuit Description

13-1 Overall Block Description

ANT ANT
Tuner Tuner
COMPONENT COMPONENT
AV1 AV1
AV2 AV2
* The functional part of a direct view type TV consists of the System, Deflection and Power parts.
* The Assy's are classified by the corresponding functions, by adopting GREEN CRT.
* The Power Block is different from the KS7A's in the power supply chip. STR and TRANS have been changed.
Assy's has been changed too.
* The System Block is looked similar to that for the existing model (KS7A).
* The AV signal is input through the AV port and Side AV port of the System Block.
* The audio signal is processed as same as for KS7A'S.
* Micom Block is same as the KS7A'S in the hartware. But it is different from KS7A'S in the software.
* The Deflection Block is consists of the CRT Driver part of the System Block, the CRT Assy part and the Deflection Block controls
the all of the deflection.
* Micom Block consists of five aspects as: Video & Sound IF Processor,Sound Processor, Video Processor, Display and Deflection
Processor and Controller, OSD,Text Processing.
* TDQ-6F/13F2S (Tuner): RF signal processing, output IF signal.
Samsung Electronics
IFIN+ IFIN+
Video
Saw Filter Saw Filter
IFIN - IFIN - Sound IF Sound IF
I I 2 2
I I 2 2 C C
Controller Controller
I I 2 2
MICOM BLOCK MICOM BLOCK
Video
Hout Hout
Vert Vert
Display Display
C C
Deflection Deflection
EW EW
C C
Video Audio Video Audio
Processing Processing
Circuit Description
Deflection Block Deflection Block
(HTR & (HTR &
Vertical AMP) Vertical AMP)
H/V H/V
R R
G G
B B
L L
R R
13-1