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SC SCAN DRIVE
SC2
SC-BOARD
ENEGRY RECOVERY VSUS
SOS DETECT
(LED 6 TIMES) P POWER SUPPLY
SU SCAN OUT (UPPER) P2
SOS6_SC1
SC-BOARD
VSUS
FLOTING PART PS SOS
SOS DETECT (LED 4 TIME)
(LED 7 TIMES)
P-BOARD SS SUSTAIN DRIVE
+5V(P) SOS DETECT
POWER MICOM
SOS7_SC2 A25 P25 +15V(P)
+5V(P) SC20 A20 ON/OFF CONTROL
+15V(P) VSUS
P11 SS11 VSUS
SCAN CONTROL
Main Block(Tuner side) Vda
PROCESS SUSTAIN
+15V(P) VOLTAGE VOLTAGE SS-BOARD
RECTIFIER RECTIFIER SOS DETECT
+5V(P) (LED 8 TIME)
ADDRESS
CONTROL VOLTAGE
SCAN PULSE PROCESS SUSTAIN (VE)
DRIVER SU41 SC41 VOLTAGE VOLTAGE
CONTROL CONTROL
SUSTAIN
PULSE
COLD HOT
F+15V STANBY ERASE
VOLTAGE POWER PULSE
+5V(STB) RECTIFIER FACTOR
CONTROL
SUSTAIN
SU11 PULSE MAIN SW2 MAIN SW2
A31 A32 A7 STANBY MAIN SW1 MAIN SW1
VOLTAGE P12 SS12
SUSTAIN CONTROL
CONTROL RECTIFIER +15V(P) +15V(P)
SD11 Vda
MAIN SW1
MAIN SW2
SOS8_SS
LINE
RECTIFIER FILTER
+5V(P)
Vda
SCAN
PULSE
LINE
FILTER RELAY
F+15V SS23 SS34
P6
+15V(SND)
SD42 SC42
P7 +5V(STB)
SCAN
DRIVER
SD46 SC46
VOLTAGE P9
GENERATOR
AC CORD
C11 C21
C2 DATA DRIVER (LEFT)
C1 DATA DRIVER (RIGHT)
VIDEO DATA
VIDEO DATA
+5V(P)
+5V(P)
+5V(P)
+5V(P)
SOS8_SS SOS8_SS
SUSTAIN CONTROL C23 SUSTAIN CONTROL
Vda Vda Vda
C10 C20
SD SCAN OUT (LOWER)
DATA DATA DATA DATA DATA DATA DATA DATA
DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER
TH-42PX80U TH-42PX80U
Block Diagram (2/5) Block Diagram (2/5)