Panasonic PT-VW431DU / PT-VW431DE / PT-VW431DEA (serv.man2) Service Manual ▷ View online
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Serial control
Basic format
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Transmission from the computer begins with STX, then the command, parameter, and ETX are sent in this
order. Add parameters according to the details of control.
STX
C1 C2 C3
:
P1 P2
Pn
ETX
When sending commands without parameters, a colon (:) is not necessary.
:
½
Basic format (with sub command)
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STX
C1 C2 C3
:
ETX
S1
S2
S3
S4
S5
E
P1
P2
P3
P4
P5
P6
When transmitting a command which does not need a parameter, the operation (E) and parameter
:
½
are not necessary.
End
(1 byte)
Parameter
(undefined length)
Colon
(1 byte)
3 command
characters
(3 bytes)
Start
(1 byte)
Parameter (6 bytes)
Symbol “+” or “-” (1 byte) and set value or
adjustment value (5 bytes)
Operation (1 byte)
“=” (Value specified using parameter is set)
Same as basic format
Sub command (5 bytes)
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Serial control
Cable specifications
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[When connected to a computer]
Projector
1
NC
NC
1
Computer (DTE
specifications)
2
2
3
3
4
NC
NC
4
5
5
6
NC
NC
6
7
7
8
8
9
NC
NC
9
Control commands
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When controlling the projector from a computer, the following commands are available:
[Projector control command]
[Projector control command]
Command
Control contents
Remarks
PON
Power [ON]
POF
Power [OFF]
IIS
INPUT selection
(Parameter)
VID = Video
SVD = S-video
RG1 = Computer 1(RGB)
RG2 = Computer 2(RGB)
HD1 = HDMI
SCT = Computer 1(Scart)
DL1 = DIGITAL LINK
When Digital interface box
(Optional accessory: ET-YFB100G)
is connected to <DIGITAL LINK>
terminal, and INPUT is selected to
DIGITAL LINK terminal and Digital
interface box at the same time:
(Parameter)
DL1:VID = Video
DL1:SVD = S-video
DL1:PC1 = Computer 1(RGB)
DL1:PC2 = Computer 2(RGB)
DL1:HD1 = HDMI 1
DL1:HD2 = HDMI 2
OSH
AV mute function
Turning off the projection and sound temporarily.
Sending the command switches [ON]/[OFF].
Do not switch ON/OFF in a short period of time.
OFZ
Freeze
Sending the command switches [ON]/[OFF].
AUU
Volume up
AUD
Volume down
DZU
D. ZOOM up
DZD
D. ZOOM down
QPW
Power query
000 = Standby
001 = Power on
Q$S
Lamp condition query
(Call back)
0 = Stand-by
1 = Lamp ON control active
2 = Lamp ON
3 = Lamp OFF control active
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Control Port Functions
Scaler I/O port functions (PW190)
PIN NO.
PORT NO.
SIGNAL NAME
DESCRIPTION
I/O
344
N4
MUTE
High=MUTE On
O
267
N3
RST_GAM
Low=3551&3828 Reset
O
192
N2
AUDIO_SEL
High=PC audio,Low=Video audio
O
413
N5
MONIT_OUT
High=Monitor out, Low=In
O
89
N1
LAMP_DC_ON
High=Lamp power ON
O
474
N6
IRIS_STAT
IRIS CONTROL
I
183
M2
IRIS_RST
IRIS CONTROL
O
90
M1
IRIS_CW
IRIS CONTROL
O
269
L3
SCDT
SIL9127 sync detect
I
184
L2
PW_LAMP_ID_A
Lamp ID control
-
346
L4
SCL_MIC
MIC Communication
O
92
K1
SDA_MIC
O
345
M4
HT_BOOT_SEL
HDBT Boot Select
O
185
K2
HT_RESET
HDBT_Reset
O
268
M3
XSTDBYEN
TE7783 Standby Enable
O
201
C11
5V_IRIS
IRIS CONTROL
O
110
B11
S3.3V_IRIS
IRIS CONTROL
O
11
A11
ON_5V
High=S5VA ON
O
362
E14
PC1_L_OFF
High=PC1_L_OFF
O
285
D12
POWER_ON_HT
HDBT POWER ON/OFF
O
363
E15
ON_1.8V
High=HDMI Power ON
O
101
B2
DDC_SW1
High=DDC R/W,Low= Read only
O
278
D5
ID_PWR_SW
High=ID board Power ON
O
347
K4
LAMP_DET
LAMP detect
I
190
E2
FAN_SW1
High=Panel&PBS Fan ON
O
98
D1
PW_LAMP_ID_B
Lamp ID control
-
275
E3
POW_GAM_3.3V
Gamma IC 3.3V ON/OFF
O
191
D2
PW_LAMP_ID_C
Lamp ID control
-
99
C1
MIC_OFF
Mic ON/OFF SW
O
352
E4
AUDIO_IN_MUTE
Low=Input audio mute
O
276
D3
POW_GAM_1.0V
Gamma IC 1.0V ON/OFF
O
353
E5
POW_GAM_2.5V
Gamma IC 2.5V ON/OFF
O
419
G5
PW_LAMP_ID_PROG
Lamp ID control
O
188
G2
POW_KEY
Power key detect
I
96
F1
PW_MASTER_SDO
SUBCPU Communication
O
420
F5
FAN_SW2
High=Lamp IN Fan ON
O
189
F2
PW_MASTER_SDI
SUBCPU Communication
I
97
E1
PW_MASTER_SCK
SUBCPU Communication
O
93
J1
IRIS_STB
IRIS CONTROL
I
186
J2
ON_-7V
High=-7V&S5V ON
O
349
H4
FAN_SW3
High=Exhaust Fan ON
O
271
J3
POW_GAM_1.8V
Gamma IC 1.8V ON/OFF
O
348
J4
PIC_H/L
PIC32 Control
I
94
H1
IRIS_EN
IRIS CONTROL
O
187
H2
IRIS_CK
IRIS CONTROL
O
212
C22
SDA0
Sensor/Sil9127/M62393
O
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Control port functions
PIN NO.
PORT NO.
SIGNAL NAME
DESCRIPTION
I/O
293
D20
SCL0
O
288
C18
SDA2
GAMMA
O
290
D17
SCL2
O
294
D21
SDA1
EEPROM
O
211
C21
SCL1
O
124
B25
TXD_PW
UART, Serial port
O
368
E20
RXD_PW
I
26
A26
PIC_TXD
PIC32 UART Communication
I
295
D22
PIC_RXD
O
127
E25
DLVD
Day Light Volotage Detect
I
29
D26
FAN_ERR_B
Lamp&Power fan fail detect
I
370
E22
FAN_FAIL1
Fan fail detect
I
298
F23
FAN_FAIL2
Lamp FAN Fail Detect
I
216
E24
PFAIL_HT
HDBT POWER Fail Detect
I
126
D25
KEY2
Menu/P-up/P-down/P-left/p-right
I
28
C26
KEY1
Input/Select/Keystone
I
215
D24
P_FAIL
Power Fail Detect
I
128
F25
FAN_CONT_C
FAN Speed Control
O
30
E26
FAN_CONT_B
FAN Speed Control
O
373
H22
FAN_CONT_E
FAN Speed Control
O
124
B25
TXD_PW
UART, Serial port
O
368
E20
RXD_PW
I
26
A26
PIC_TXD
PIC32 UART Communication
I
295
D22
PIC_RXD
O
214
C24
R/C_PW
R/C RECEIVER
I
369
E21
HT_RC
HDBT IR R/C
I
296
D23
PW_CEC_A
SIL9127
I
101
B2
DDC_SW1
High=DDC R/W,Low= Read only
O
278
D5
ID_PWR_SW
I
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