Table of Contents
Advertisement
This unit contains two seven segment led display (E), four normal LEDs (A..D) and an IR receiver (F). The display is used to show
the status of the projector for instance the selected input number, error codes, ....
The four normal leds each have a specific function:
•
IR received (red) (C): Infrared signal or local keypad signal is detected (any address)
•
IR accepted (green) (B): Infrared signal is accepted (own address)
•
Sync detected (yellow) (A): There is a stable sync present on the selected input
•
Power (red/green) (D): red is projector standby, green is projector active
The IR receiver can accept RC5 code. It is positioned next to the display in order to receive the IR signal through the same red glass
as the display.
On board connector pin assignment
Connector J300 - to Communication Interface
Pin Name
L_YEL
GND
L_IR_OK
L_IR_REC
L_PWR_ON
SCL_ERROR
SDA_ERROR
IR_DISPLAY
++5V
9.5.3
Error List on INFO display Only
Overview
The following error codes are shown on the two seven segment led display:
Info
Error
Display
- c
I
2
C ERROR SCL Line
- d
I
2
C ERROR SDA Line
- H
"Hardware" ERROR
- L
"Lamp" ERROR
- P
SMPS ERROR
- t
Temperature ERROR
R5976820 SLM R12+ PERFORMER 08/03/2005
Pin No
In/out
Definition
1
Out
Signal for yellow led (sync present)
2
Out
Ground
3
Out
Signal for green led (IR accepted)
4
Out
Signal for red led (IR received)
5
Out
Signal for standby led (power on/off)
6
Out
I2C SCL signal to error display
7
Out
I2C SDA signal to error display
8
In
RC5 signal from IR receiver on display unit
9
Out
Power supply
9. Communication Module R763768
Error Description
The I
2
C SCL line doesn't react (held down), so no I
is possible.
The I
2
C SDL line doesn't react (held down), so no I
is possible.
Indicates an error concerning the hardware. This can be:
•
incompatible hardware found
•
hardware failure
Indicates an error concerning the lamp. This can be:
•
an error concerning the LPS
•
an error on the lamp info module
If it concerns an error on the lamp info module, "Wrong Lamp
Parameter(s) is displayed on the LCD display.
Indicates an error concerning the SMPS.
Projector has been shut down due to temperature reasons. This can
be:
•
DMD temperature is out of range.
Signal
TTL
TTL
TTL
TTL
TTL
TTL
TTL
+5V
2
C communication
2
C communication
65
Advertisement
Table of Contents
