Samsung AQ17LS Block Diagram
AQ17LS
SIGNAL |
VIDEO INPUT |
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H/V SYNC
UP, DOWN
BRIGHTNISS
CONTRASTER
PIN, TRAP
MCU
SIZE, POSI, IC201
DEGA.
LED
POWER
FRONT CONTROL
BOARD
EPROM
IC202
24LC04
TO D-COIL |
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DEGAUSSING |
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BLOCK |
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ON THE CRT |
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RL601 |
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AC INPUT |
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LINE |
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SOCKET |
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FILTER |
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CN601 |
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L601 |
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1-8
VIDEO BOARD
VIDEO PRE-AMP |
VIDEO OUTPUT |
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RGB |
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+ OSD |
IC103 |
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IC101 |
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SOCKET |
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IC104 |
RGB - CUTOFF |
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IC102 |
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G1 |
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F |
S |
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O |
C |
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C |
R |
H/V |
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HEATER |
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E |
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U |
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MAIN BOARD |
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E |
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S |
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N |
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H-SYNC, V-SYNC |
TDA4859 |
KA2142 |
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H/V SIZE |
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H-SYNC1 |
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VER. OUTPUT |
VER. DY |
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REG. |
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-140V |
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V-SYNC1 |
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IC301 |
CN401 |
FROM IC401 |
FBT |
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E/W_OUT |
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T501 |
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HOR./VER. |
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+30V |
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PROCESSOR |
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HOR. DRIVE |
H. D. T |
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VERTICAL |
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IC401 |
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Q403 |
T401 |
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FOCUS |
B(+) |
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12C DATA |
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12C CLK |
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HOR. OUT |
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HOR. DY |
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ACL |
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Q404 |
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CN401 |
+12V |
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CIRCUIT |
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REG. |
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FROM MCU |
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DYNAMIC FOCUS |
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S-COR. |
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T502 |
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CONTRAST |
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CONTRAST |
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CONTROL |
CONTROL |
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V-MUTE |
VER. BLANKING |
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G1 |
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Q303 |
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S-CORRECTION |
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BRIGHTNESS |
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BRIGHTNESS |
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PS-2(POWER OFF) |
KSC945 |
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HOR. LINEARITY |
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CONTROL |
CONTROL |
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TILT |
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+70V |
TO VIDEO |
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+50V |
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POWER |
SWITCHING |
-12V |
VER. OUT |
VER.OUT & TILT / H_LIN. CONTROL |
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PWM CONTROL |
TRANS |
-140V |
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IC601C |
T601 |
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(FROM FBT) |
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+13V |
13V_1 |
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OFF MODE |
Q610 |
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(FROM MCU) |
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+12V REGULATOR |
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12V |
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BRIDGE |
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RETIFIER |
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+6.3V |
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HEATER |
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CRT HEATER |
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Diagrams Block 8
8 Block Diagrams
Memo
8-2 |
AQ17LS |
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