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8 Block Diagrams
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8-1 LE15V*
LE15V*/LE17LS/LE17LT/ LE17KS/LE17KT/LE17JS/LE17JT
8-1
8-2
VIDEO BOARD
VIDEO OUTPUT IC106 STV9588
SIGNAL
VIDEO PRE-AMP + OSD (NT6813)
VIDEO INPUT SOCKET
RGB
8 Block Diagrams
H/V SYNC
G1 HEATER
H/V
MAIN BOARD
H-SYNC, V-SYNC H/V SIZE REG. FROM IC401 VERTICAL FOCUS
F O C U S
S C R E E N
H-SYNC1 V-SYNC1 E/W_OUT VER. OUTPUT IC301 (SVT9325) HORZ./VER. PROCESSOR IC401 12C DATA 12C CLK (STV9118) HOR. OUT Q490 (70K IRF630B, 85K IRF634B) FROM MCU S-COR. REG. IC622 (7812) HORZ. DRIVE Q401(70K ST2310 85K C5931, FJAF6916) H. D. T T401 HOR. DY CN401 VER. DY CN401
-210V +30V
FBT T501 (70K CF2175B, FQM 17A011, 85K CF2166, FQM 17B015)
B(+) ACL CIRCUIT +12V
UP, DOWN BRIGHTNISS CONTRASTER PIN, TRAP SIZE, POSI, DEGA.
MCU IC201
LED POWER
DYNAMIC FOCUS T561 CONTRAST CONTROL
CONTRAST CONTROL G1 BRIGHTNESS CONTROL BRIGHTNESS CONTROL
8-2 LE17LS/LE17LT/LE17KS/LE17KT/LE17JS/LE17JT
EPROM IC241
24C08 TO VIDEO +12V +50V +13V
V-MUTE S-CORRECTION BB REF-OFF HOR. LINEARITY VER. BLANKING Q512, CN6520
TILT Q321, Q322, Q323
+80V
TO D-COIL
ON THE CRT
DEGAUSSING BLOCK RL601
POWER PWM CONTROL IC601(8S0765)
SWITCHING TRANS T601
+12V REGULATOR CIRCUIT +5V REGULATOR CIRCUIT
OFF-MODE2(FROM MCU) -210V (FROM FBT)
-12V BRIDGE RETIFIER +6.3V
VER.OUT HEATER VOLTAGE CONTROL PRE-AMP-POWER TILT REFERANCE VOLTAGE CRT HEATER
AC INPUT SOCKET CN601
LINE FILTER L601
LE15V*/LE17LS/LE17LT/ LE17KS/LE17KT/LE17JS/LE17JT
POWER-OFF MODE CONTROL & SYNC Q622, Q624
OFF-MODE1
(FROM, MICOM)