Panasonic TH-50PX80UA Service Manual page 30

9.2. Block Diagram (2/5)
SC SCAN DRIVE
SC-BOARD
ENERGY RECOVERY
SOS DETECT
(LED (LED 6 TIMES) 6 TIMES)
SU SCAN OUT (UPPER)
SOS6_SC1
SC-BOARD
FLOATING PART
SOS DETECT
(LED (LED 7 TIMES) 7 TIMES)
SOS7_SC2
SCAN CONTROL
CONTROL
SCAN
PULSE
SU41 SC41
DRIVER
SUSTAIN
SU11 PULSE
SD11
SCAN
PULSE
SD42 SC42
SCAN
DRIVER
SD46 SC46
VOLTAGE
GENERATOR
SD SCAN OUT (LOWER)
TH-50PX80UA
Block Diagram (2/5)
SC2
VSUS
SC20 A20
+5V(P)
+15V(P)
Main Block(Tuner side)
A31
C11
C1 DATA DRIVER (RIGHT)
Vda
C10
DATA DATA DATA DATA DATA
DRIVER DRIVER DRIVER DRIVER DRIVER
P POWER SUPPLY
PS SOS
(LED (LED 4 TIME) 4 TIME)
P-BOARD
+5V(P) SOS DETECT
POWER MICOM
A5 P25 +15V(P)
ON/OFF CONTROL
Vda
PROCESS
+15V(P) VOLTAGE
RECTIFIER
+5V(P)
PROCESS
VOLTAGE
CONTROL
COLD COLD HOT HOT
F+15V STANDBY
VOLTAGE
POWER
RECTIFIER
+5V(STB)
FACTOR
CONTROL
A7
A32 STANDBY
VOLTAGE
CONTROL RECTIFIER
LINE
RECTIFIER
FILTER
LINE
RELAY
FILTER
F+15V
P6
+15V(SND)
+5V(STB)
P7
P9
C21
DATA DRIVER (CENTER)
C2
+5V(P)
SOS8_SS
SUSTAIN CONTROL
C22 C32
Vda
C20
DATA DATA DATA
DRIVER DRIVER DRIVER
30
SS2 SUSTAIN
CONNECTOR
(UPPER)
P2
SS02
SS SUSTAIN DRIVE
SS21
VSUS
P11 SS11 VSUS
SUSTAIN
VOLTAGE
SS-BOARD
RECTIFIER
SOS DETECT
(LED (LED 8 TIME) 8 TIME)
ADDRESS
VOLTAGE
SUSTAIN
(VE)
VOLTAGE
CONTROL
SUSTAIN
PULSE
ERASE
PULSE
MAIN SW2
MAIN SW2
MAIN SW1 MAIN SW1
P12 SS12
+15V(P) +15V(P)
Vda
SS23 SS34
SS22
SS03
AC CORD SS3 SUSTAIN
CONNECTOR
(LOWER)
C33
C3 DATA DRIVER (LEFT)
+5V(P)
SOS8_SS
SUSTAIN CONTROL
Vda
VIDEO DATA
DATA DATA DATA
DRIVER DRIVER DRIVER
TH-50PX80UA
Block Diagram (2/5)