Panasonic TH-42PX80U Service Manual page 3

9.2. Block Diagram (2/5)
SC SCAN DRIVE
SC-BOARD
ENEGRY RECOVERY
SOS DETECT
(LED (LED 6 TIMES) 6 TIMES)
SU SCAN OUT (UPPER)
SC-BOARD
FLOTING PART
SOS DETECT
(LED (LED 7 TIMES) 7 TIMES)
CONTROL
SCAN
PULSE
SU41 SC41
DRIVER
SUSTAIN
PULSE
SU11
SD11
SCAN
PULSE
SD42 SC42
SCAN
DRIVER
SD46 SC46
VOLTAGE
GENERATOR
SD SCAN OUT (LOWER)
TH-42PX80U
Block Diagram (2/5)
SC2
VSUS
SOS6_SC1
SOS7_SC2
+5V(P) SC20 A20
+15V(P)
SCAN CONTROL
Main Block(Tuner side)
A31
C11
C1 DATA DRIVER (RIGHT)
Vda
DATA DATA DATA DATA
DRIVER DRIVER DRIVER DRIVER
P POWER SUPPLY
PS SOS
(LED (LED 4 TIME) 4 TIME)
+5V(P)
POWER MICOM
A25 P25 +15V(P)
ON/OFF CONTROL
Vda
+15V(P)
+5V(P)
COLD COLD
STANBY
F+15V
VOLTAGE
RECTIFIER
+5V(STB)
A32 A7 STANBY
VOLTAGE
CONTROL
RECTIFIER
LINE
FILTER
F+15V
P6
+15V(SND)
+5V(STB)
P7
C21
C2 DATA DRIVER (LEFT)
+5V(P)
SOS8_SS
SUSTAIN CONTROL
Vda
C10 C20
DATA DATA DATA DATA
DRIVER DRIVER DRIVER DRIVER
30
P2
P-BOARD
SS SUSTAIN DRIVE
SOS DETECT
VSUS
P11 SS11 VSUS
PROCESS SUSTAIN
VOLTAGE VOLTAGE
SS-BOARD
RECTIFIER RECTIFIER
SOS DETECT
(LED (LED
ADDRESS
VOLTAGE
PROCESS SUSTAIN
(VE)
VOLTAGE VOLTAGE
CONTROL CONTROL
SUSTAIN
PULSE
HOT HOT
ERASE
PULSE
POWER
FACTOR
CONTROL
MAIN SW2 MAIN SW2
MAIN SW1 MAIN SW1
P12 SS12
RECTIFIER +15V(P) +15V(P)
Vda
LINE
FILTER
RELAY
SS23 SS34
P9
AC CORD
+5V(P)
SOS8_SS
C23 SUSTAIN CONTROL
Vda
8 TIME) 8 TIME)
TH-42PX80U
Block Diagram (2/5)