Panasonic PT-40LC12 Service Manual page 137

OVERALL BLOCK DIAGRAM
REAR JACK C.B.A.
IC3751
COMPONENT Y
COMPONENT
IN 1(Y/PB/PR)
COMPONENT PB
SW
COMPONENT PR
COMPONENT
IN 2(Y/PB/PR)
IC3701
COMPONENT Y MAIN S-VIDEO C
VIDEO IN 1
VIDEO IN 1
VIDEO IN 2
VIDEO IN 2
S-VIDEO IN 1
S-VIDEO IN 1
MAIN VIDEO Y
S-VIDEO IN 2
S-VIDEO IN 2
VIDEO IN 3
S-VIDEO IN 3
TUNER VIDEO 1
TUNER VIDEO 2
AV SW
AUDIO IN 1(L/R) SUB C
AUDIO IN 1 (L/R)
AUDIO IN 2(L/R) SUB Y
AUDIO IN 2(L/R)
TUNER AUDIO(L/R)
IC4751
AUDIO IN 3(L/R) SUB VIDEO
COMPONENT
AUDIO IN 1 (L/R)
COMPONENT
AUDIO 1&2(L/R)
COMPONENT
SW
AUDIO IN 2 (L/R)
SUB C
SUB Y
S-VIDEO OUT
S-VIDEO OUT
VIDEO OUT
VIDEO OUT
AUDIO OUT(L/R)
AUDIO OUT (L/R)
RGB JACK C.B.A.
P3901
RGB IN
FRONT JACK C.B.A.
P3902 P3002
VIDEO IN 3
S-VIDEO IN 3
IC4802
P4801 P4602
PC AUDIO IN OP. AMP
IC4801
AUDIO IN 3 (L/R)
OP. AMP
IC4501 IC4602
P4591 P4502
AUDIO
OP. AMP
HEAD PHONE JACK
AMP
P4501
SPEAKER R
P4503
SPEAKER L
IC7201
U7001 (MAIN TUNER)
TUNER AUDIO (L/R)
MTS/SAP AUDIO
RF-IN AUDIO
SIGNAL PROCESS
RF-OUT VIDEO
U7101 (SUB TUNER)
RF-IN
VIDEO
IC5003
COMPONENT Y MAIN Y
COMPONENT PB MAIN PB
COMPONENT PR MAIN PR
MAIN VIDEO SHRARPNESS
MAIN S-VIDEO C
DECODER CONTROL
/ID-I DETECTOR CIRCUIT FOR 480i
IC5005
MAIN VIDEO C
MAIN S-VIDEO/VIDEO Y
OSD
MAIN V-SYNC
MIX
IC5002
MAIN H-SYNC
SW
IC5502
Y
IC5001
3D
OSD-R
Y/C
MAIN H-SYNC
C
SEPA.
OSD-G
MAIN V-SYNC
MAIN CCV
OSD-B
MAIN Y /V-CHIP DETECTOR
IC5301
I2C SERIAL DATA/CLOCK
SUB C
SUB R
SUB Y
SUB
SUB G
VIDEO
DECODER
IC5701 SUB V-SYNC
SUB B
Y
Y/C SUB H-SYNC
SUB H-SYNC
C
SEPA.
PC H-SYNC
SUB V-SYNC
IC5302 PC V-SYNC
SUB H-SYNC OSD-R
SUB V-SYNC OSD-G
SUB CCV
SUB Y OSD-B
/V-CHIP DETECTOR
OSD-BLANKING
SERIAL DATA/CLOCK
I2C SERIAL DATA/CLOCK
PIN
P4601 P4701
P4603 P4702
IC4601
SOUND
PROCESSOR
P4604 P4703
I2C SERIAL DATA/CLOCK
P1010
IC6001 IC1004
DUCT FAN SPEED CONTROL
DRIVE
THERMO TEMP DATA 3
TV
THERMO TEMP DATA 4
MICROCONTROLLER
OSD SERIAL DATA/CLOCK
I2C SERIAL DATA/CLOCK
SERIAL DATA/CLOCK
IC6501
TUNER
MICROCONTROLLER
LCD MAIN C.B.A.
IC9003
16M MEMORY
DATA BUS (32 bit)
IC5007
IC2502 IC9002
P5003 P2501
MAIN Y
SW
MAIN A/D
CONVERTER
MAIN PB
SW
MAIN PR
SW IP CONVERTER Y/PB/PR DATA (8bit)
FOR 480i
CONTRAST
MAIN H-SYNC
CONTROL
BRIGHTNESS
MAIN V-SYNC CONTROL
Y/PB,PR DATA (8bit)
IC3801
IC2706
P3801 P2701
SUB R
SUB R
SW
PC R
SUB G SUB A/D
SUB G
CONVERTER
SW RGB DATA (8bit)
PC G
SUB B
SUB B
CONTRAST
PC B SW
CONTROL
SUB H-SYNC BRIGHTNESS
SW
CONTROL
SUB V-SYNC
SW
IC2704
Y
SUB H-SYNC
SYNC
SEPARATOR
SUB V-SYNC
IC5006
EEPROM
ADJUSTMENT DATA/
SETTING DATA OF
EACH IC's FOR REAR
JACK C.B.A. AND TV
IC9510
OSD
MAIN C.B.A.
IC2304
OSD SW
DUCT FAN
(FAN 3)
P6205 P2305
IC9203 IC9204
IC9801 IC9802
64M MEMORY
MAIN R DATA (8bit)
DATA BUS
COLOR
(32 bit) SW R DATA (8bit) R DATA (8bit) D/A
CORRECTION
IC9202
MAIN SCALER
SUB R DATA (8bit)
Y/PB/PR --> RGB
CONVERTER
MAIN G DATA (8bit)
PICTURE SCALE
UP/DOWN CONTROL
IP CONVERTE FOR 1080i
COLOR CONTROL COLOR
SW G DATA (8bit) G DATA (8bit) D/A
CORRECTION
TINT CONTROL
SHARPNESS CONTROL
FOR 480p, 720p, 1080i
SUB G DATA (8bit)
MAIN B DATA (8bit)
IC9508
SUB SCALER
COLOR
SW B DATA (8bit) B DATA (8bit) D/A
CORRECTION
PICTURE SCALE
UP/DOWN CONTROL
PC R/G/B CONTROL
SUB B DATA (8bit)
PICTURE COMPOSITION NON-UNIFORMITY
(P IN P/SPLIT SCREEN) COLOR COMPENSATION
GAMMA CORRECTION
DATA BUS (32 bit)
IC9509
64M MEMORY
IC9503
TIMING
IC2009,
GENERATOR
Q2031-2040
LEVEL
SHIFTER
FRONT FAN SPEED CONTROL
LAMP FAN SPEED CONTROL
IC9803
DAC
SW+15.3V CONTROL
R/G/B DRIVE CONTROL
R/G/B CUTOFF CONTROL
V-COM-R/G/B CONTROL
FRONT FAN SPEED CONTROL
LAMP FAN SPEED CONTROL
IC2303 IC2305
EEPROM EEPROM
ADJUSTMENT LAMP TIME DATA
DATA/SETTING DATA FILTER TIME DATA
IC2301
OF EACH IC's FOR NON-UNIFORMITY COLOR
LCD MAIN C.B.A. COMPENSATION DATA
SOLENOID ON(H)
LAMP ON(H)
I2C SERIAL DATA/CLOCK
THERMO TEMP DATA 1
PROJECTOR THERMO TEMP DATA 2
SERIAL DATA/CLOCK
MICROCONTROLLER LAMP COVER OPEN(H)
SERIAL DATA/CLOCK
IC2001 IC2003, 2004
P2001
SW S/H R DATA (12bit)
LCD(R)
IC2005, 2006
P2002
SW S/H G DATA (12bit)
LCD(G)
IC2002 IC2007, 2008
P2003
SW S/H B DATA (12bit)
LCD(B)
FRONT FAN
P1901 (FAN 1)
IC1961
DRIVE
LAMP FAN
P1902 (FAN 2)
IC1962
DRIVE
P1903
IC1991
SOLENOID
DRIVE
FOR
SHUTTER
LCD POWER C.B.A.
POWER FAN
(FAN 4)
P1703
P1905 P1702
BALLAST
CIRCUIT P1301
LAMP
LAMP COVER
FRONT THERMISTOR C.B.A.
SWITCH C.B.A.
TEMPERATURE
SENSOR
P2304 P2911
LAMP
COVER SW
P2912 P2921
LAMP THERMISTOR C.B.A.
TEMPERATURE
SENSOR
P2307 P2901
OVERALL BLOCK DIAGRAM
PT-40LC12/PT-45LC12