DOWNLOAD Panasonic PT-TW342 / PT-TX402 / PT-TX312 (serv.man4) Service Manual ↓ Size: 19.41 MB | Pages: 94 in PDF or view online for FREE

Model
PT-TW342 PT-TX402 PT-TX312 (serv.man4)
Pages
94
Size
19.41 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / LCD PROJECTOR
File
pt-tw342-pt-tx402-pt-tx312-sm4.pdf
Date
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Panasonic PT-TW342 / PT-TX402 / PT-TX312 (serv.man4) Service Manual ▷ View online

-53-
Block Diagrams
Audio_out
Audio_in
R/L(RAC)*2
Component V
ideo
HDMI
RS232
SP3232E
USB*1
USB-2
S-V
ideo
VGA1
Ycbcr
VGA2
RMII
LAN8720
DDR2
Flash
CXD35
    51
Lamp control
DDR2
CXA38
   28
F
AN3
F
AN2
F
AN1
Sub_CPU
IIC
Sensor1
Sensor2
Sensor3
AMP
DAC
Speaker
IR
Remote 
control
Key
LED Indicate
B
LCD
lamp
IRIS
IRIS
B
Cooling fan
PWC878
RJ45(With 
network 
transformer
）
Main board control 
-54-
Block Diagrams
DC-DC * 3
DC-DC
3 group fans
Audio amplifier
3 group 
LCD panels
S12.5V
FR9888
3_3V_MCU
DC-DC
CXA3828
15.2V
3.3V
Other IC
S5V
S3.3V
3.3VD-PWC
3.3VA-PWC
3.3V-FLASH
FR9888*2
1_8V
1.8V
1.8VD-PWC
S1_8V
1.8V-DDR2
TD5830A
1.0V
1.0VD-PWC
PS29152
TPC6113
2_5V_TX
2_5V_RX
2.5V
2_5V_IO
3_3VSH
3_3VCC3
TPC6113
1_8VDDR
SUB CPU
TD5830
S1V_VCCK
1.0V
S1V_PLL
S1V_LVDS
CXD3551GG
PW868
16V
S1V_PLL
Power control circuit
-55-
Block Diagrams
F2001A/B 
VA2001 
LF2001 
AC  FILTER 
K2008 
K2006 
IC2001 
FA5612 
FPC Control 
K2003 
1 
IC2002 
FA8A01N
 
Power Control 
S16V 
S6V 
1/2 
5/6 
K2004 
FB 
B200
10 
PFC_ON 
D200
POWER 
BALLAST 
AC 380V 
1 
1 
5 
5 
4 
4 
P3001 
P3002 
Lamp SW 
& 
FAN_ERR
LAMP_EN
H: TRUE 
H: TRUE
RX
D1
 
TXD
1 
C13 
D13 
ON_5V 
ON_1_8V 
FAN_SW 
ON_15V 
ON_3_3V 
ON_1_0V 
ON_1.0V_P
ON_16V 
G2 
J3 
H5 
H2 
H3 
H4 
H1 
J1 
H: TRUE 
H: TRUE 
H: TRUE 
H: TRUE 
H: TRUE 
H: TRUE 
H: TRUE 
H: TRUE 
P_FAIL
IC1001 
CPU 
PW/878
 
W1
L1 
P_LAN_FAIL 
E24 
IC4002 
S5V 
Q4003 
IC5010 
IC3901 
IC3046 
Q3821 
Q3811 
IC3010 
Q4005 
S3.3VSI 
S1_8V_HDMI_SI 
S1V_VCCK 
1_8VDDR 
3_3VCC3 
3_3VSH 
2_5V_RX 
2_5V_TX 
2_5V_IO 
S1V_LVDS 
S1V_PLL 
15_5V 
AUDIO_POWER_5_5V 
MAIN 
S16
V 
S6
V 
PF
C_ON
 
IC1801 
MCU 
PIC16F1824 
3_3SDA/3_3SCL 
D21/C21 
IC1002 
TEMP. Sensor B 
AT30TS75 
IC1003 
TEMP. Sensor C 
AT30TS75 
IC1902 
TEMP. Sensor A 
      AT30TS75 
P_KEY 
R17 
P_KEY 
ON_16V_MCU 
PFC_ON 
ON_MCU 
8 
7 
2 
3 
9/10 
1/2 
5/6 
10 
PTH SW 
120℃ 
FAN_ERR 
D24 
FAN FB
D3005
D3006
D3007
D3008
 
LAMP 
P3003 
TAN-ERR
D3014
Power and protection loop
-56-
Block Diagrams
2
3
1
3
2
1
8
5
6
4
Q5004
29
28
17
16
42
11
39
24
7
12
23
18
OUT_DET_EXT
IC5202
PT2830
IC1001
PW878LHB
K1203
PC_R
K1
20
3
PC_L
VEDIO_R
K1202
VEDIO_L
CLK
LRCLK
DATA
SD_MCU
OUTR
OUTL
P5003
Q5003
Audio control circuit
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