Panasonic PT-AE900U / PT-AE900E Service Manual ▷ View online
10 Block Diagram
10.1. Power Supply
Power Supply
3
4
1
1
2
3
B1
B4
Q2
B-Module
B/Q-Module
P-Module
Q-Module
(CONTROLLER)
STEP-DOWN CHOPPER
1
4
P3
5
12
HOT
COLD
HOT
COLD
PHOTOISOLATOR
15 V AVR
HALF BRIDGE
DRIVER
(SLAVE)
DRIVER
(SLAVE)
SWITCHING
TRANSFORMER
TRANSFORMER
RECTIFIER
SWITCHING
REGULATOR
REGULATOR
AC
DETECTOR
DETECTOR
PHOTOISOLATOR
POWER
FACTOR
CORRECTION
FACTOR
CORRECTION
LAMP
D9608
Q9608
D9609
Q9610
Q9611
Q9606
Q9607
IC9602
IC9603
D9611
Q9609
D9612
ON/OFF_STBY
DC380 V
Power Control
ST1
Lamp ON/OFF
L det
+6 V
FAN 14 V
D 3.4 V
D 1.8 V
+17 V
7
10
3
4
1
P2
P1
HALF BRIDGE
DRIVER
(MASTER)
DRIVER
(MASTER)
PHOTO-
ISOLATORS
ISOLATORS
D9604
Q9604
Q9614
Q9603
D9605
D9606
D
S
D
S
G
Q9605
D9607
B3
B5
B6
Q1
D
S
G
3
5
1
4
2
Q3
15 V
15 V
3
IGNITER
BLOCK
AC
SWITCH
SWITCH
G
D
S
G
D
S
D
S
G
G
IC103
A-P.C.Board
A6
A6
A-P.C.Board
A4
A4
HOT
COLD
MC201
K-P.C.Board
Power
Cord
Cord
Ground
Lug
Lug
INLET
K2
VOLT_DET
STB3.3V
LINE
FILTERS
FILTERS
MAIN POWER
K1
F001
Z001
SW001
THERMOFUSE
PHOTO-
ISOLATOR
ISOLATOR
SWITCHING
TRANSFORMER
TRANSFORMER
RECTIFIER
SWITCHING
REGULATOR
REGULATOR
A-P.C.Board
A9
A9
PT-AE900U / PT-AE900E
41
10.2. Signal Processing (1/3)
Signal Processing (1/3)
SW
Q1034
SW
Q1031
IC1102
IC1103
POCLK
BLST_ON
LCDCLK
FPGACK
BLST_CT
SW
Q1032
PC IN
1
2
3
R
G
B
13
14
HD
VD
S2 VIDEO
IN
IN
C
Y
VIDEO IN
SERIAL
Y_IN
PB_IN
PR_IN
VIDEO, SYNC
SW CONTROL
SW CONTROL
232C
DRIVER
DRIVER
SWITCHING,
VIDEO DECODER,
3ch A/D,
PLL
VIDEO DECODER,
3ch A/D,
PLL
RESIZE,
V-KEYSTONE CORRECTION,
SD/HD IP
TRANSFORMATION,
3D-NOISE REDUCTION,
BITMAP OSD
V-KEYSTONE CORRECTION,
SD/HD IP
TRANSFORMATION,
3D-NOISE REDUCTION,
BITMAP OSD
HD
CVBS_RCA
S/C_IN
IC1137
+3.3 V
IC1138
CTRL_1
CTRL_2
PDETECT
G
R
AC_Y1
AC_PB
AC_PR
SDA2
SCL2
B
VD
SQUEEZE
RXD
STATUS
TXD
IC1004
IC1007
Q1117, Q1118
PBS
A9
FAN_SEN2
EXHAUST
A17
FAN_SEN1
POWER
A16
FAN_SEN3
MAIN_STBY
LAMP_SENSE
INTAKE
A15
P-Module
P3
P3
K-Module
K2
K2
Q-Module
Q3
Q3
A6
PWMOUT
A4
64M SDRAM
(x2)
PIHS
PLLCK
PIVS
MCLK
X1001
(27 MHz)
IC1001
IC1005
IC1006
IC1008
1
3
4
2
A-P.C.Board
COMPONENT
IN
IN
AC_SYNC
R1IN
T1OUT
Y_SYNC
CVBS_
SCART
S_SW
S1_S2
Y_SYNC
a
b
c
d
from/to (3/3)
2
CLOCK
GENERATOR
GENERATOR
3
2
CLOCK
GENERATOR
GENERATOR
2
3
PT-AE900U / PT-AE900E
42
10.3. Signal Processing (2/3)
Signal Processing (2/3)
S-P.C.Board
A-P.C.Board
KEY2
KEY1
THERMO1
THERMO2
THERMOSENSOR
(INTAKE AIR)
(INTAKE AIR)
EEPROM
IC1061
SDA1
SCL1
16M FLASH
IC1063
RESET
IC1016
SRAM
IC1012
LCDCLK
IC1053
IC1054
IC1056
IC1058
IC1055
IC1057
R
A3
G
A2
B
A1
LCD PANEL (B)
LCD PANEL (R)
LCD PANEL (G)
IC1032
D1013
(FPGA ACT)
4
IC1030
1H INVERTER,
SAMPLING
HOLD
SAMPLING
HOLD
1H INVERTER,
SAMPLING
HOLD
SAMPLING
HOLD
1H INVERTER,
SAMPLING
HOLD
SAMPLING
HOLD
D1024
(CPU ACT)
(CPU ACT)
MICROPROCESSOR
IC1010
A8
S01
PWMOUT
CTRL_2
CTRL_1
FPGACK
SWITCHES
A7
1
3
COLOR UNEVENNESS
CORRECTION,
GAMMA CORRECTION,
LCD PANEL
CONTROL
CORRECTION,
GAMMA CORRECTION,
LCD PANEL
CONTROL
2
DYNAMIC GAMMA,
IRIS CONTROL,
LAMP CONTROL
(FPGA)
IRIS CONTROL,
LAMP CONTROL
(FPGA)
4
REMO
3
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
S02
THERMOSENSOR
(EXHAUST AIR)
(EXHAUST AIR)
PT-AE900U / PT-AE900E
43
10.4. Signal Processing (3/3)
Signal Processing (3/3)
b
HDMI IN
A-P.C.Board
a
from/to (1/3)
c
d
A21
EEPROM
5V 3.3V
LEVEL
CONVERTER
LEVEL
CONVERTER
HDMI
RECEIVER
RECEIVER
IC1107
Q1108, Q1109
3.3V_SDA
SDA2
SCL2
3.3V_SCL
YUVHS
YUVVS
YUVCLK
IC1105
5V_SCL
5V_SDA
AC_PR
AC_Y1
AC_PB
AC_SYNC
CVBS_SCART
S_SW
15
16
SCART
BLUE IN
GREEN IN
SLOW SW
RED IN
VIDEO IN
J1
15
20
8
11
7
J-P.C.Board
P
B
-IN
Y-IN
P
R
-IN
J1
J-P.C.Board
For PT-AE900E
For PT-AE900U
COMPONENT
IN
IN
PT-AE900U / PT-AE900E
44
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