Led Indicator Diagnostics; Remote Control Operational Mode - Mitsubishi Electric WS-48511 Service Manual

Projection television v21, v21+, v21++ chassis
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MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55
C. A/V Memory
Each of the external inputs has its' own Audio/Video Memory. A change in an A/V setting at a specific input is
stored in memory for that specific input.
A/V Reset
1. The front panel AV Reset button initializes all A/V Memories.
2. The AV Reset in the user's menu initializes only the selected input's A/V Memory.

LED Indicator Diagnostics

The "Power ON LED" provides an indication of the sets operation, and the possible cause of a malfunction.
1. Initial Control Circuitry Check
Immediately after the TV is connected to an AC power source:
LED Indications
Off
Fast Blink for 70 sec.
Fast Blink (doesn't stop)
Slow Blink
2. Error Code Operational Check
Pressing the front panel "INPUT" and "MENU" buttons at the same time, and holding for 5 seconds,
activates the Error Code Mode. The LED flashes denoting a two digit Error Code, or indicating no problem
has occured since the last Initalization.
Note: The front panel buttons must used, NOT those on the Remote Control.
The number of flashes indicates the value of the MSD (tens digit) of the Error Code.
The flashing then pauses for approximately 1/2 second.
The LED then flashes indicating the value of the LSD (ones digit) of the Error Code.
The Error Code is repeated a total of 5 times.
Example: If the Error Code is "24", the LED will flash two times, pause, and then flash four
3. Error Codes
The Error Code designations indicating a malfunction, or no malfunction, are listed below:
Remote Control Operational Modes
There are two Remote Hand Unit Operational Modes, "Standard" and "NetCommand
in
in the "Standard" mode. The "NetCommand
NetCommand
TM
. To change the Remote Operational Mode:
• Set the Remote to the TV Layer
Point the Remote away from the TV.
To change to "Netcommand
To change to "Standard" ... Hold the "Power" button and press "0-0-0" in sequence.
Conditions
After AC is applied Standy Power Supply or TV µPC not running
After AC is applied Normal - DM µPC is booting up
After AC is applied TV µPC is running, but DM failed to boot up
Set is Off
times.
Error Code
Probable Cause
12
Normal Operation - No Error Detected
21
X-Ray Protect
22
Short Protect
23
Loss of Horizontal Deflection
24
Loss of Vertical Deflection
TM
" mode is used when controlling Home Theater devices using
TM
" ... Hold the "Power" button and press "9-3-5" in sequence.
Probable Cause
Normal - Timer is set for Automatic Turn ON
Page 30
TM
". The Remote is initially

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