Panasonic PT-VX505NU / PT-VX505NE / PT-VX505NEA / PT-VW435NU / PT-VW435NE / PT-VW435NEA (serv.man2) Service Manual ▷ View online
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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 are not
:
½
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
-78-
Cable specifications
J
[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
J
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.
NO.
PORT NO. SIGNAL NAME
DESCRIPTION
I/O
1
A1
PW_LAMP_ID_C
Lamp ID control
O
11
A11
PW_MASTER_SCK SUB CPU Communication
O
101
B2
PW_LAMP_ID_B
Lamp ID control
O
110
B11
PW_MASTER_SDI SUB CPU Communication
O
111
B12
FAN_SW3
High=Exhaust Fan ON
O
124
B25
TXD_PW
UART, Serial port
O
99
C1
SIOUTR[3]
O
201
C11
PW_MASTER_SDO SUB CPU Communication
O
202
C12
SIRST
9127 Reset
O
208
C18
SDA2
GAMMA
O
211
C21
SCL1
EEPROM
O
212
C22
SDA0
Sensor/Sil9127/M62334
O
28
C26
KEY1
Input/Select/Keystone
I
98
D1
SIOUTR[6]
-
191
D2
SIOUTR[4]
-
276
D3
SIOUTR[1]
O
278
D5
SIHS and SIAHS
9127 HS ( SIAHS Only)
O
285
D12
POWER_KEY
Power key detect
O
290
D17
SCL2
GAMMA
O
293
D20
SCL0
Sensor/Sil9127/M62334
O
294
D21
SDA1
EEPROM
O
296
D23
PC1_L_OFF
High=PC1_L_OFF
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_FAIL2
Fan fail detect
I
97
E1
SIOUTG[0]
O
190
E2
SIOUTR[7]
O
275
E3
SIOUTR[5]
O
352
E4
SIOUTR[2]
O
353
E5
SIOUTR[0]
O
362
E14
PC1_L_OFF
High=PC1_L_OFF
O
363
E15
ON_1.6.5V
O
368
E20
RXD_PW
UART, Serial port
I
127
E25
DLVD
DAY LIGHT VOLOTAGE DECT
I
370
E22
FAN_FAIL
Fan fail detect
I
96
F1
SIOUTG[4]
O
420
F5
SIOUTG[2]
O
189
F2
SIOUTG[1]
I
95
G1
SIOUTG[7]
-
188
G2
SIOUTG[5]
I
273
G3
SIOUTG[3]
O
419
G5
SIOUTG[6]
O
94
H1
SIOUTB[1]
O
187
H2
SIOUTB[0]
O
349
H4
SIOUTB[4]
O
418
H5
SIOUTB[6]
O
373
H22
FAN_CONT_E
FAN SPEED CONTROL
O
348
J4
SIOUTB[2]
I
271
J3
SIOUTB[3]
O
186
J2
SIOUTB[5]
O
93
J1
SIOUTB[7]
I
92
K1
MIC_OFF
Mic ON/OFF SW
-
185
K2
IRIS_STAT
IRIS CONTROL
-
347
K4
SIDEN
9127 Enable
I
91
L1
FAN_SW2
High=Lamp Fan ON
-
184
L2
PW_LAMP_ID_A
lamp ID control
I
269
L3
AUDIO_SEL1
High=LAN audio,Low=HDMI audio
I
345
L4
IRIS_STB
IRIS CONTROL
-
90
M1
XRESET
O
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Control port functions
PIN
NO.
NO.
PORT NO. SIGNAL NAME
DESCRIPTION
I/O
183
M2
XSTDBYEN
O
268
M3
FAN_SW1
High=Panel & PBS Fan ON
-
345
M4
SCS_SUB
SUB CPU enable
-
474
N6
SDA3
MIC
O
89
N1
LAMP_DC_ON
High=Lamp power ON
O
182
N2
SCL3
MIC
O
267
N3
RST_GAM
Low=3551&3828 reset
O
344
N4
MUTE
Mute_ON : H
O
413
N5
MONIT_OUT
Low=in, High=Monit OUT
O
110
B11
PW_MASTER_SDI SUB CPU Communication
O
296
D23
PW_CEC_A
SIL9127
I
369
E21
S3.3VD_PW
I
30
E26
FAN_CONT_B
FAN A CONTROL
O
128
F25
FAN_CONT_C
FAN B CONTROL
O
298
F23
FAN_ERR_B
Lamp&Power fan fail detect
I
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
242
AD17 XINT
TE7783 INTERRUPT
I
154
AE18 SIINT
Sil9127 INTERRRUPT
I
214
C24
R/C_PW
R/C RECEIVER
I
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