Friday, October 30, 2015

PANASONIC PT-52LCX66 - PT-56LCX66 - PT-61LCX66 - PT-52LCX16 - PT-56LCX16 SERVICE MODE AND LED ERROR CODES

PANASONIC PT-52LCX66 - PT-56LCX66 - PT-61LCX66 - PT-52LCX16 - PT-56LCX16 

SERVICE MODE AND LED ERROR CODES 

RESET USER’S MEMORY FUNCTIONS
Be sure to reset the user’s memory:
- After replacing the Digital Tuner P.C.B.
- If the secret code for V-chip has been forgotten.
- When moving the unit to a new location.
- When resetting SOS (Error) number records.
1. Turn on the power.
2. Press and hold the VOLUME DOWN button on the unit and the OK key on the remote for more than 3 seconds. When reset is finished, power shuts off automatically (the user’s memory is reset).
DO NOT UNPLUG AC CORD DURING COOLING OPERATION
The lamp cooling fan will continue to operate for approximately
1 minute after the power is turned off. At the same time, the POWER LED will flash red. Do not disconnect the AC Cord from the power outlet and do not open any circuit breakers while the cooling fan is still operating.
WHEN INSTALLING THE PROJECTION UNIT OR THE BASE BODY UNIT INTO THE UNIT AT THE USER’S LOCATION:
The following ADJUSTMENT of the Projection Unit must be performed.
a. Focus Adjustment
Note: The Focus Adjustment is not normally necessary when reinstalling. However, the Focus Adjustment should be performed when replacing the new Projection Unit or new Base Body Unit.
b. Mechanical Picture Position Adjustment
c. Electrical Picture Position Adjustment
Adjustment Preparation:
1. Install all parts except the Front Cover Unit Then, remove the Optical Cover by removing the Screw and 2 latch tabs.
Note: When the rear cover is disassembled, the screen can be moved back and forth, which could affect the video display vertical position. This could also cause the vertical adjust to be at or near its limit. Only try the picture position adjustment with the rear cover assembled!
2. Turn the power on.
3. Press and hold the VOLUME DOWN button on the unit and the RECALL key on the remote for more than 5 seconds in power on condition. "WORK MODE" will appear on the screen.
4. Press the VCR key to go to VCR mode, then the RECALL key on the remote for more than 1 second. "FACTORY ADJUST" will appear on the screen.
5. Press the TV key to return to TV mode, then press the CH UP/DOWN key on the remote to select "OTHER" on menu and press the OK key. "OTHER" menu will appear.
6. Press the VOLUME UP/DOWN key on the remote. (Focus screen will appear.)
To release this mode:
1. After completing the ADJUSTMENT, press the CH UP/ DOWN key on the remote to return to the OTHER menu.
2. Press RECALL key twice to return to Work Mode, and press and hold the VOLUME DOWN button on the unit and the RECALL key on the remote for more than 5 seconds. Or, turn off the power.
3. Install the Optical Cover with the Screw and the Front Cover Unit.
Electrical Picture Position Adjustment
1) Adjust OPT HPOSI so that "C" is symmetrical to "D." by pressing the VOLUME UP/DOWN key on the remote to change the value.
2) Press the CH UP/DOWN key on the remote to return to the OTHER menu.
3) Select OPT VPOSI by pressing CH UP/DOWN key on the remote.
4) Adjust OPT VPOSI so that "A" is symmetrical to "B" by pressing the VOLUME UP/DOWN key on the remote to change the value.
5) Confirm that all "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L" are each almost symmetrical.
6) If not, adjust the "OPT HPOSI" and "OPT VPOSI" (repeat steps 1-6) until the picture is in the correct position.
7) Press the CH UP/DOWN key on the remote to return to the OTHER menu.
TO READ THE DIGITAL TUNER (PEAKS) SOFTWARE VERSION AND TV MICROCONTROLLER SOFTWARE VERSION
1. Press MENU key with the power on.
2. Press CH UP/DOWN key and select "Setup." Then press OK key.
3. Press CH UP/DOWN key and select "About." Then press OK key.
4. Select "Version" and press OK key. Version menu will appear as shown below. Starting with the second digit from the right or from the left.
LED ERROR CODES
Error Information


POWER LED
flashes orange
TEMP LED
flashes red
LAMP LED
flashes red
SOS2 (Over voltage/current)

1


Fan 1, Fan 2 or Fan 3 stops

2


Abnormal voltage (DT+5V line)

3



IC5001 (GC4Pro) communication
error


5





Temperature Sensor shorted or open (Thermistor 2 P.C.B.)




2



Abnormal temperature
(Thermistor 2 P.C.B.)




3



Clogged Air Filter







6




Abnormal Lamp






1

Iris Mechanism hardware error




2

Iris calibration error









3


Lamp Cover open

7




Abnormal voltage (+17V, +9V, +5V line)
for LCD Drive P.C.B.

8


Note:
1. The detected SOS Error 1) 2) 3) 4) 11) 12) data will be stored in the EEPROM.
2.SOS (Error) information is displayed in Service Mode (4/4).
3.LAMP OFF: The LED will flash immediately after the Lamp goes off.
4.In case of Error 9) or 10), the unit will not shut off and Dynamic Iris setting in Adv. adjust of Picture Menu will be changed to "OFF" automatically. When the unit is turned off and turned back on, Dynamic Iris "OFF" setting remains. Lamp LED will not flash as long as Dynamic Iris setting in Adv. adjust of Picture Menu is set to "ON" manually.