PT-LB20NTU, PT-LB20NTE, PT-LB20NTEA, PT-LB20U, PT-LB20E, PT-LB20EA, PT-LB20SU, PT-LB20SE, PT-LB20SEA, PT-LB20VU, PT-LB20VE, PT-LB20VEA - Panasonic Projector Service Manual (repair manual). Page 45

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11.3. Signal Processing (2/3)
Signal Processing (2/3)
S1-P.C.Board
S2-P.C.Board
A-P.C.Board
KEY3
THERMO2
SPEAKER
ONSCREEN
DISPLAY
IC1009
BUFFERS
IC1023
IC1008
EEPROM
IC1017
SDA
SCL
8M FLASH
IC1011
RESET
IC1016
BUFFERS
IC1012
BUFFERS
IC1015
D/A
CONVERTER
IC1021
ANGLE
SENSOR
PHOTO-IC
IC1018
3
THERMOSENSOR
B
A3
G
A2
R
A1
LCD PANEL (R)
LCD PANEL (B)
LCD PANEL (G)
OSDSEL
OSDSTB
3
3
3
5
5
COLOR UNEVENNESS
CORRECTION,
IC1200
LCD CONTROL
MICROPROCESSOR
IC1010
A9
A10
A8
S2
Q1038
Q1039
SDA2
SCL2
SWITCHES
SWITCHES
S1
3
5
6
7
IC1051
1H INVERTER,
SAMPLING HOLD,
LEVEL SHIFT
KEY1
REMO1
IC1052
1H INVERTER,
SAMPLING HOLD,
LEVEL SHIFT
IC1053
1H INVERTER,
SAMPLING HOLD,
LEVEL SHIFT
(LCD IC)
LSENSE
ONSCREEN
DISPLAY
IC1022
BUFFERS
A13
10
9
from/to (3/3)  
1
5
5
5
4
OSDSELJ
5
2
8
PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA
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