DOWNLOAD Panasonic PT-TW343RE Service Manual ↓ Size: 19.44 MB | Pages: 91 in PDF or view online for FREE

Connect the AC code to the projector while pressing the [

] key on the control panel. The LED will not light up 

this time. After that, click the [Bootloader Mode] button.

   If the communication is established successfully, the software indicates the version of bootloader and information 

of sub CPU onto the status bar on the bottom of the window

4. Select menu [File] - [Open], and then choose the firmware hex file to be upgraded.

5. Click the [Write Device] button or select menu [Program]- [Write Device] to write the firmware to the projector. 
After finishing, the completing message will be displayed on the status bar.

6. Click the [Run Mode] button, to start the sub CPU application.
   The [ON(G)/STANDBY(R)] LED will light in red. This is complete the upgrading and the completing prompt 

message will be shown on the window as the blow.

  Quit the application and disconnect the AC cord and serial cable.

   To confirm the upgraded firmware version, press and hold the [MENU] and [] keys more than 3 seconds. 

   Select the "No." by pressing the [MENU] key and select No. 102 and 103. The sub CPU firmware version will be 

displayed on the "Data" column.

How to read the sub firmware version
Group   No. 

Data

999  

102 

+0 

←indicates single-digit integer

            103 

+50 

←Indicates after the decimal point

 

 

 

                  In this case, version is 0.50.

Group
999

No.
102

Data
+0

Ver.

1.00

PT-TW343R

Version of sub 
firmware

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

FAN3

FAN2

FAN1

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

）

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

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 

PW878

 

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