Read Panasonic PT-TW350 / PT-TX410 / PT-TX320 (serv.man5) Other Service Manuals online
DIA-1
<TW350/TX410/TX320>
Components identified by the international symbol 7 have special characteristics important for safety.
When replacing any of these components, use only the manufacturer's specified ones.
When replacing any of these components, use only the manufacturer's specified ones.
Important Safety Notice
■ Notes
1. HOT and COLD indications
The power circuit board contains a circuit area using a separate power supply to isolate the ground connection.
The circuit is defined by HOT and COLD indications in the schematic diagram. Take the precautions below:
2. This schematic diagram is the latest at the time of printing and the subject to change without notice.
The power circuit board contains a circuit area using a separate power supply to isolate the ground connection.
The circuit is defined by HOT and COLD indications in the schematic diagram. Take the precautions below:
2. This schematic diagram is the latest at the time of printing and the subject to change without notice.
■ Precautions
Connect the ground of instruments to the ground of the circuit being measured.
4. MAKE SURE to unplug the power cord from the power outlet before removing the chassis.
5. Be sure to make your orders of replacement parts according to parts list section.
5. Be sure to make your orders of replacement parts according to parts list section.
CONTENTS
1. Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIA-2
1. 1. Main board control
1. 2. Power control circuit
1. 3. Power and protection loop
1. 4. Audio control circuit
1. 5. Fan control circuit
1. 2. Power control circuit
1. 3. Power and protection loop
1. 4. Audio control circuit
1. 5. Fan control circuit
2. Interconnection block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIA-5
3. Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIA-6
3.1. A-PCB
3.2. Connect-PCB
3.3. Iris motor-PCB
3.4. Iris-PCB
3.5. RC-PCB
3.6. Temp-PCB
3.7. P-PCB
3.2. Connect-PCB
3.3. Iris motor-PCB
3.4. Iris-PCB
3.5. RC-PCB
3.6. Temp-PCB
3.7. P-PCB
4. Circuit Boards Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIA-8
4.1. A-PCB <A side>
4.2. P-PCB
4.3. RC-PCB
4.4. Sensor-PCB
4.5. Connect-PCB
4.6. Iris-PCB
4.7. Filter-PCB
4.8. Iris motor-PCB
4.9. Back RC-PCB
4.2. P-PCB
4.3. RC-PCB
4.4. Sensor-PCB
4.5. Connect-PCB
4.6. Iris-PCB
4.7. Filter-PCB
4.8. Iris motor-PCB
4.9. Back RC-PCB
BLOCK & SCHEMATIC DIAGRAMS
Model No.
PT-TW350
PT-TX410
PT-TX320
Service Manual
Rev.-1 (2018-01)
DIA-2
BLOCK & SCHEMATIC DIAGRAMS
<TW350/TX410/TX320>
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
RJ45(With network transformer
）
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
1. Block Diagram
1. 1. Main board control
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
1. 2. Power control circuit
DIA-3
BLOCK & SCHEMATIC DIAGRAMS
<TW350/TX410/TX320>
F2003
VA2001
LF2001
AC FILTER
K2008
K2006
IC2001
FA5612
FPC Control
K2003
1
IC2002
FA5641
Power Control
S16V
S6V
1/2
5/6
K2004
FB
B200
10
P_ON/OFF
D200
POWER
BALLAST
AC 380V
1
1
5
5
4
4
P3001
P3002
Lamp SW
FAN_ERR
LAMP_EN
H:
TRUE
H: TRUE
TXD1
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
H: TRUE
H: TRUE
H: TRUE
P_FAIL
IC1001
CPU
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
V
S6
V
P_ON
/OFF
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
P_ON/OFF
ON_MCU
8
7
2
3
9/10
1/2 5/6
10
PTH SW
120°C
FAN_ERR
D24
FAN FB
IC3100
D3005
D3006
D3007
D3008
D3006
D3007
D3008
D3014
LAMP
P3003
FAN_ERR
FANC_ERR
RXD1
TXD_LAMP
RDX_LAMP
1. 3. Power and protection loop
2
3
1
3
2
1
5
8
6
34
18
33
26
30
31
1/2
17
43/44
19
10
14
22
IC5202
PT2830
IC1001
PW878LHB
K1203
PC_R
K1
20
3
PC_L
VEDIO_R
K1202
VEDIO_L
16
20
HDMI_R
HDMI_L
SDA
SCL
SD_MCU
IC5005
HDMI
AUDIO
OUTR
OUTL
P5003
AMUOUT
OUIT_DET_EXT
1. 4. Audio control circuit
DIA-4
BLOCK & SCHEMATIC DIAGRAMS
<TW350/TX410/TX320>
5
2
7
5
2
7
5
2
7
FANC_SW
H6
3
3
3
FANC_ERR
FAN ERR
AA10
Lamp_cold
FN3005
1
2
2
D3014
W13
FANC_DA
Power_out
FN3004
1
2
2
IC3280
FR9888
D3008
7
0
0
3
D
3
8
2
3
Q
D3011
IC3250
FR9888
H5
Lamp_out
FAN_SW
FN3003
1
2
2
FN3002
1
2
2
T12
FANB_DA
D3006
IC
100
1
P
W
87
8
8
Y12
FANA_DA
Panel_B/G
Q3361
Q3030
D3005
IC3009
FR9888
Panel_R
S16V
FAN_A
FN3001
1
2
2
FAN_C
FAN_B
R/C
C1
2
1
2
1
E4
LAMP COVER SW
1
2
3_3SDA
E1
LAMP_EN
10
IC1002
TEMP
SENSOR 2
SENSOR 2
TEMP
SENSOR 3
SENSOR 3
TEMP SENSOR 3
<AT30TS75>
IC1002
<AT30TS75>
IC3001
<AT30TS75>
3_3SCL
P3006
3
2
2
8
P3002
IC3100
GL810S
5
BALLAST
LAMP cooling Fans
Exhausting FANS
LCD PANEL
COOL ING FANS
COOL ING FANS
FAN_ERR
Power ERR: ON
P3001
4
`
1. 5. Fan control circuit
