Signal Processing (1/3) - Panasonic PT-LB75EA Service Manual

PT-LB80NTU / PT-LB80NTE / PT-LB80NTEA / PT-LB80U / PT-LB80E / PT-LB80EA / PT-LB75NTU / PT-LB75NTE / PT-LB75NTEA / PT-LB75U / PT-LB75E / PT-LB75EA

11.2. Signal Processing (1/3)

Signal Processing (1/3)
1 R
12
2 G
13
3
COMPUTER B
1 IN
14
PnP
15 SCL
ADAPTER
IC1024
1 R
12
2 G
13
COMPONENT
2 IN / 1 OUT
3
B
14
PnP
15 SCL
ADAPTER
IC1002
VIDEO IN
S-VIDEO C
IN
Y
L
AUDIO
IN
R
8 9 10 11 12 13 14 15 16
A-P.C.Board
R G B
HD
COMPUTER 1
RGBIO
VD
OUT AMP.
Q1012-
Q1016
SDA
IC1060
COMPUTER
3
2 IN / 1 OUT
CONTROL
3
RGBSEL
3
CCSEL1
IC1020
VD
HD
HD SYNC.
VD HD
SELECT
VD
SDA OUTPUT
SYNC ENABLE
IC1025
PLLHS PIVS
G G
IC1080 IC1109
HD
VIDEO SELECT SYNC SYNC
VD
for CC SEPARATOR SELECT
Q1021 Q1020 Q1028
SW SW SW
CCSEL1 SYNCSEL
CCSEL2
IC1026
AUDIO AMP
17 18 19
from/to (3/3)
IC1001
R
G
G
SOG
B
A/D CONVERTER,
VIDEO DECODER
R
G
SOY
B
S/C S/Y
HD VD CVBS _IN _IN
G
IC1100
IC1097
CLOSED CHARACTER
INSERT
CAPTION
BUFFER
DECODER BUFFER
IC1099
IC1098
Q1022-Q1024
Only for PT-LB80NTU/
3 3
SWITCHES
CC1-CC3
FANSENS1
FAN CONTROL
FANSENS2 FANSENS3
DRIVER
IC1092
FANSENS4
A19 A18 A15 A17
LAMP INTAKE INTAKE EXHAUST
(R, B) (G)
44
2
IC1005
RESIZING,
MICROPROCESSOR
3
POCLKO
2
IC1102
BUFFER
IC1017
SDA2
ACCELERATION
EEPROM
SCL2
SENSOR
Q1010
IC1101 SW
BUFFER
Q1018
SW
LB80U/
LB75NTU/
LB75U
Q1011
SW
FANSENS5
A16 A6 A4
P-Module Q-Module
P3 Q3
POWER
1
IC1006
64M SDRAM
2
3
IC1016
RESET
4
IC1083
CLOCK
GENERATOR
X1001
5
IC1018
BLSTON
ST1
ST2
6
7