Panasonic PT-VX500U / PT-VX500E / PT-VX500EA / PT-VW430U / PT-VW430E / PT-VW430EA (serv.man2) Service Manual ▷ View online
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Basic format
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
:
½
When sending commands without parameters, a colon (:) is not necessary.
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Basic format (with sub command)
STX
C1 C2 C3
:
ETX
S1
S2
S3
S4
S5
E
P1
P2
P3
P4
P5
P6
:
½
When transmitting a command which does not need a parameter, the operation (E) and parameter 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)
Serial control
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Cable specifications
[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
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Control commands
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)
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
Serial control
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Control Port Functions
Scaler I/O port functions (PW190)
PIN NO. PORT
NO.
SIGNAL NAME
DESCRIPTION
I/O
1
A1
PW_UPDATE
LAN control
O
11
A11
ON_5V
High=S5VA ON
O
26
A26
RXD_MCI
UART,LAN Serial port
I
101
B2
DDC_SW1
High=DDC R/W,Low=Read only
O
110
B11
S3.3V_IRIS
IRIS CONTROL
O
111
B12
RESET_MIC
3105 Reset
O
124
B25
TXD_PW
UART, Serial port
O
99
C1
MIC_OFF
Mic ON/OFF SW
O
201
C11
5V_IRIS
IRIS CONTROL
O
202
C12
SIRST
9127 Reset
O
205
C15
PW_NMCLR
LAN
O
208
C18
SDA2
GAMMA
O
211
C21
SCL1
EEPROM
O
212
C22
SDA0
Sensor/Sil9127/M62393
O
28
C26
KEY1
Input/Select/Keystone
I
98
D1
PW_LAMP_ID_B
-
191
D2
PW_LAMP_ID_C
Lamp ID control
-
276
D3
POW_GAM_1.0V
Gamma IC 1.0V ON/OFF
O
278
D5
ID_PWR_SW
High=ID board Power ON
O
285
D12
POWER_ON_LAN
LAN Power SW: High=ON
O
290
D17
SCL2
GAMMA
O
293
D20
SCL0
Sensor/Sil9127/M62393
O
294
D21
SDA1
EEPROM
O
295
D22
TXD_MCI
UART, LAN Serial port
O
296
D23
PW_CEC_A
SIL9127
I
215
D24
P-FAIL
Power Fail Detect
I
126
D25
KEY2
Menu/P-up/P-down/P-left/p-right
I
29
D26
FAN_ERR_B
Lamp&Power fan fail detect
I
190
E2
FAN_SW1
High=Panel&PBS Fan ON
O
275
E3
POW_GAM_3.3V
Gamma IC 3.3V ON/OFF
O
352
E4
AUDIO_IN_MUTE
Low=Input audio mute
O
353
E5
POW_GAM_2.5V
Gamma IC 2.5V ON/OFF
O
362
E14
PC1_L_OFF
High=PC1_L_OFF
O
363
E15
ON_1.8V
High=HDMI Power ON
O
368
E20
RXD_PW
UART, Serial port
I
370
E22
FAN_FAIL1
Fan fail detect
I
30
E26
FAN_CONT_B
FAN SPEED CONTROL
O
420
F5
FAN_SW2
High=Lamp IN FanON
O
128
F25
FAN_CONT_C
FAN SPEED CONTROL
O
188
G2
POWER_KEY
Power key detect
I
273
G3
SCS_SUB
SUBCPU enable
O
419
G5
PW_LAMP_ID_PROG
Lamp ID control
O
94
H1
IRIS_EN
IRIS CONTROL
O
187
H2
IRIS_CK
IRIS CONTROL
O
349
H4
FAN_SW3
High=Exhaust Fan ON
O
418
H5
ON_3.3V
CHO_TXD signal SW
O
373
H22
FAN_CONT_E
FAN SPEEDCONTROL
O
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Control port functions
PIN NO. PORT
NO.
SIGNAL NAME
DESCRIPTION
I/O
348
J4
PW_BUSY
LAN
I
271
J3
POW_GAM_1.8V
Gamma IC 1.8V ON/OFF
O
93
J1
IRIS_STB
IRIS CONTROL
O
92
K1
SDA_MIC
MIC
O
185
K2
SCL_MIC
MIC
O
347
K4
LAMP_DET
LAMP detect
I
91
L1
ON_16.5V
16.5V ON/OFF
O
184
L2
PW_LAMP_ID_A
lamp ID control
I
269
L3
SCDT
SIL9127 sync detect
I
90
M1
IRIS_CW
IRIS CONTROL
O
183
M2
IRIS_RST
IRIS CONTROL
O
474
N6
IRIS_STAT
IRIS CONTROL
I
89
N1
LAMP_DC_ON
High=Lamp power ON
O
182
N2
AUDIO_SEL
High=PC audio,Low=Video audio
O
267
N3
RST_GAM
Low=3551&3828 reset
O
344
N4
MUTE
Mute_ON : H
O
186
J2
ON_-7V
High=-7V&S5V ON
O
110
B11
S3.3V_IRIS
RIS CONTROL
O
96
F1
PW_MASTER_SDO
SUBCPU Communication
O
189
F2
PW_MASTER_SDI
SUBCPU Communication
I
97
E1
PW_MASTER_SCK
SUBCPU Communication
O
127
E25
DLVD
DAY LIGHT VOLOTAGE DECT
I
298
F23
FAN_FAIL2
LAMP FAN FAIL DETECT
I
216
E24
P_FAIL_LAN
LAN Power Fail Detect
I
413
N5
MONIT_OUT
Low=in, High=Monit OUT
O
329
AC9
A[22]
A[22]
O
249
AD10 SIEVNODD
Even or Odd field detect
I
160
AE12 A[20]
A[20]
O
65
AF12 A[21]
A[21]
O
154
AE18 SIINT
Sil9127 INTERRRUPT
I
214
C24
R/C_PW
R/C RECEIVER
I
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