Panasonic PT56DLX75 - 56" DLP TV, Manual, Page: 100 / 107

-10-
ON
PDG5 PL5
DMD DRIVE C.B.A.
(CIRCUIT BOARD L)
COLOR WHEEL C.B.A. (CIRCUIT BOARD CW)
MAIN C.B.A. (CIRCUIT BOARD DG)
5 5
PL2 PCW1
4 4
IC6904
SERIAL DATA4 1
IC1102 (MAIN MICROCONTROLLER)
SERIAL DATA4 59
SOS: Lamp does not light up
Normal: Lamp ON
SOS: over 75 C or under -24 C
SOS: Incomplete (Low)
Normal: ready high(+3.3V)
8) Abnormal Lamp detection circuit
7) Abnormal Temperature detection circuit
OFF
Normal SOS
Temp too high -- ALERT
Temp too low -- ALERT
PDG1 PA16
POWER C.B.A. (CIRCUIT BOARD P)
BASE C.B.A. (CIRCUIT BOARD A)
BALLAST C.B.A. MAIN C.B.A. (CIRCUIT BOARD DG)
64 64
PA
6
B2
3
1 1
3
IC1102 (MAIN MICROCONTROLLER)
Q1108 Q1109
Q1110
LAMP STATUS
27
LAMP ON(L)
LAMP ENABLE
18 65 65
P801
B1
4 3
1 1
IC1102 (MAIN MICROCONTROLLER) IC6004
2 2
PDG5 PL5
1 1
IC6006
(BUFFER)
12 8
360Hz
3V
MAIN C.B.A. (CIRCUIT BOARD DG) DMD DRIVE C.B.A. (CIRCUIT BOARD L)
9) IC6004 (DMD Control) ASIC READY is incomplete detection circuit
Normal
SOS
ASIC READY (H)
DC+330V
GND(HOT)
DC+330V
GND(HOT)
ASIC READY (H)
88 AD2