Samsung LB15VS Service Manual page 88

VIDEO BOARD
SIGNAL VIDEO INPUT
H/V SYNC
MAIN BOARD
H-SYNC, V-SYNC
H-SYNC1
V-SYNC1
E/W_OUT
UP, DOWN
BRIGHTNISS
CONTRASTER
PIN, TRAP
MCU
12C DATA
SIZE, POSI,
IC201
12C CLK
DEGA.
LED
POWER
IC622 (7812)
V-MUTE
S-CORRECTION
EPROM
IC241 REF-OFF
HOR. LINEARITY
24C08
Q321, Q322, Q323 (17"Only)
POWER
DEGAUSSING
TO D-COIL
BLOCK PWM CONTROL
ON THE CRT
RL601 IC601(8S0765)
AC INPUT LINE
BRIDGE
SOCKET FILTER
RETIFIER
CN601
L601
VIDEO OUTPUT
IC103(LM2470)
VIDEO PRE-AMP
+ OSD
IC101(LM1236)
HEATER
VER. OUTPUT
IC301 (SVT9325)
HORZ./VER.
PROCESSOR
HORZ. DRIVE
IC401
Q401(KSC2383)
(STV9118)
FROM MCU
REG.
VER. BLANKING
Q512, CN6520
BB
+80V
TILT
+50V
SWITCHING
+13V
TRANS
T601
-12V
+6.3V
POWER-OFF
OFF-MODE1
MODE CONTROL & SYNC
Q622, Q624
SOCKET
G1
VER. DY
CN401 FROM IC401
VERTICAL
H. D. T
FOCUS
T401
HOR. DY
HOR. OUT
Q490 (17"ST2310,15"ST2001)
DYNAMIC FOCUS
S-COR.
TO VIDEO
+12V
+12V REGULATOR
OFF-MODE2(FROM MCU)
CIRCUIT
+5V REGULATOR
CIRCUIT
VER.OUT
HEATER VOLTAGE CONTROL
PRE-AMP-POWER
TILT REFERANCE VOLTAGE
(FROM, MICOM)
RGB
S
F
C
O
R
C
H/V
E
U
E
S
N
H/V SIZE
REG.
FBT
T501
17"FSA0357,15":FSA0356
B(+)
CN401 ACL
+12V
CIRCUIT
T561
CONTRAST
CONTRAST
CONTROL
CONTROL
G1
BRIGHTNESS
BRIGHTNESS
CONTROL
CONTROL
-140V
(FROM FBT)
CRT HEATER
17"Only
210V
-140V