Panasonic PT-56DLX25 Service Manual page 57

AC stop detection circuit
T802
2 9
D851-D854
7
FULL-WAVE
RECTIFIER
3 6
D861
POWER C.B.A. (CIRCUIT BOARD P)
Over current detection circuit
IC801 (SWITCHING CONTROL)
Abnormal Temperature (Thermostat) and Lamp Cover open detection circuit (shut down circuit)
F801
RL803
6.3A/125V
AC LINE
AC IN
FILTER
POWER C.B.A. (CIRCUIT BOARD P)
STBY+7V
3 3
BASE C.B.A.
(CIRCUIT BOARD A)
DRIVE
CONTROL
Over current detect
OVER
CURRENT
DETECT
POWER C.B.A. (CIRCUIT BOARD P)
Q842
6 6
5 5
MAIN POWER
SUPPLY CIRCUIT
Q843
RL802
PFC
CIRCUIT
BASE C.B.A.
(CIRCUIT BOARD A)
IC1103
RESET
4 2
IC1108
2
4
9 9 1
MAIN C.B.A. (CIRCUIT BOARD DG)
T801
9 5
SWITCHING
5
TRANSFORMER
1
2
3 1
4 2
7 7
8 8
MAIN C.B.A. (CIRCUIT BOARD DG)
55
PT-56DLX75 / PT-61DLX75
STBY+3.3V
IC1102
(MAIN MICROCONTROLLER)
AC STOP
89
Normal
SOS
THERMOSTAT
(120 C)
COVER SW
COVER SWITCH C.B.A.
IC1102 (MAIN MICROCONTROLLER)
AC SW ON (H)
26
LOW +B SW ON (H)
95