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8 Block Diagrams
DP15H*/DP17L* 8-1
S
C
R
E
E
N
RGB
VIDEO BOARD
TO D-COIL
ON THE CRT
VIDEO INPUT
H/V SYNC
VIDEO OUTPUT
IC103(LM2437)
RGB - CUTOFF
QR, G,B01,02
G1
HEATER
VIDEO PRE-AMP
+ OSD
IC101(KA2506)
IC104(KA2501)
SOCKET
FBT
T501
H/V SIZE
REG.
VERTICAL
FOCUS
HOR. DY
CN401
VER. DY
CN401
H. D. T
T401
S-COR.
VER. OUTPUT
IC301
HOR. DRIVE
Q403
HOR./VER.
PROCESSOR
IC401
H-SYNC1
V-SYNC1
E/W_OUT
12C DATA
12C CLK
REG.
V-MUTE
S-CORRECTION
PS-1(SUSPEND)
PS-2(POWER OFF)
HOR. LINEARITY
TILT
POWER
PWM CONTROL
IC601C
BRIDGE
RETIFIER
EPROM
IC202
DEGAUSSING
BLOCK
RL601
UP, DOWN
BRIGHTNISS
CONTRASTER
PIN, TRAP
SIZE, POSI,
DEGA.
LED
POWER
AC INPUT
SOCKET
CN601
LINE
FILTER
L601
SWITCHING
TRANS
T601
ACL
CIRCUIT
CONTRAST
CONTROL
BRIGHTNESS
CONTROL
+56V
+13V
-12V
+6.3V
+70V
PS-2
VER.OUT & TILT CONTORL
HEATER VOLTAGE CONTROL
POWER-OFF MODE CONTROL
Q607
+12V REGULATOR
PS-1, PS-2(From MCU)
CRT HEATER
G1
+12V
TO VIDEO
-210V
+30V
+12V
CONTRAST
CONTROL
BRIGHTNESS
CONTROL
-210V
(FROM FBT)
VER. BLANKING
Q303
KSC945
24LC04
FROM MCU
B(+)
FROM IC401
H-SYNC, V-SYNC
TDA4859
KA2142
FRONT CONTROL
BOARD
SIGNAL
MAIN BOARD
H/V
F
O
C
U
S
MCU
IC201
HOR. OUT
Q404
DYNAMIC FOCUS
T502
KSC5802