Panasonic PT56DLX75 - 56" DLP TV, Manual, Page: 101 / 107

-11-
AC LINE
FILTER
AC IN
F801
6.3A/125V
Q842
Q843
RL803
RL802
P802 PA
8
BASE C.B.A.
(CIRCUIT BOARD A)
COVER SWITCH C.B.A.
THERMOSTAT
MAIN C.B.A. (CIRCUIT BOARD DG)
6
5 5
6
PA
16
PDG1
7
8 8
7
PA
5
P2912
1
2
3 1
4 2
IC1102 (MAIN MICROCONTROLLER)
AC SW ON (H)
LOW +B SW ON (H)
26
95
FULL-WAVE
RECTIFIER
STBY+7V
Normal
SOS
IC1103
IC1108
STBY+3.3V RESET
P802 PA
8
D861
D851-D854
T802
AC stop detection circuit
POWER C.B.A. (CIRCUIT BOARD P)
POWER C.B.A. (CIRCUIT BOARD P)
BASE C.B.A.
(CIRCUIT BOARD A) MAIN C.B.A. (CIRCUIT BOARD DG)
2
7
3
9
6
DRIVE
CONTROL
OVER
CURRENT
DETECT
3 3
PA16 PDG1
9 9 1
4
2
4
IC1102
(MAIN MICROCONTROLLER)
AC STOP 89
2
Over current detection circuit
IC801 (SWITCHING CONTROL) T801
Over current detect
9
5
SWITCHING
TRANSFORMER
5
POWER C.B.A. (CIRCUIT BOARD P)
Abnormal Temperature (Thermostat) and Lamp Cover open detection circuit (shut down circuit)
MAIN POWER
SUPPLY CIRCUIT
COVER SW
(120 C)
PFC
CIRCUIT