SERVICE MODE AND OTHER ADJUSTMENTS
CAT (computer aided test) Mode
- Press and hold the Volume/Down button on the front panel of the unit and press the status button on the remote control three times within one second, this will place the unit into the CAT Mode.
- To exit the CAT mode, access the ID mode and switch off the main power.
I2C
Mode
- Select the I2C mode by pressing the Up/Down button on the remote control from the front page of the CAT menu, and then press the Action button on the remote control.
- Select the alignment subject by pressing the UP/Down buttons on the remote control.
- Select the alignment item by pressing the Left and Right buttons on the remote control.
- Adjust the optimum setting by pressing the Volume Up/Down buttons on the remote control.
- The data is memorized when the R button is pressed on the remote control or the alignment Subject (or item) is changed.
- To exit the I2C mode, press the R button on the remote control.
CD mode
- Select the CD mode from the front page of the CAT menu by pressing the Up/Down button on the remote control, and then press the Mute button on the remote control for more than 5 sec.
- The software version of the EEPROM (IC9354) can be upgraded by:
- Installing a new version IC
- Loading the new version software from the loader tool, TZSC07036.
Memory data change
- Address à Change by pressing the Up/Down buttons on the remote control.
- Data à Change by pressing the Volume Up/Down buttons on the remote control. The data is memorized when the main power switch is pushed to the off position.
- To exit the CD mode, press the R button on the remote control.
SD Mode
- Select the SD mode from the front page of the CAT mode by pressing the Up/Down button on the remote control, and then press the Action button on the remote control.
- History of remote control command à (Factory use)
- To exit the SD mode, press the R button on the remote control.
I2C
Menu Structure: The values indicated in this flowchart are
sampled data.
Click on image. Click once more. If you still unable to read it; right click
on the enlarged image, save image as, to a folder. View it in ‘Picasa’ picture viewer. There you can enlarge it more. Download ‘Picasa-3’ by Google site, and
install it to your system. It’s free
software from Google and download it by Google. [Search for ‘Picasa’ by
Google]. Or, see this document in
Windows Picture – Fax Viewer.
POWER SUPPLY BOARD & VOLTAGE SETUP
- Input a Black & White video signal.
- Set the picture mode to Normal and the White Balance to Normal.
- Adjust and confirm the indicated test point below for the specified voltage.
ADJUSTMENT TABLE
Name
|
Test Point
|
Voltage
|
Volume
|
PFC
|
P24 pin 1
|
400V ± 1V
|
R548
|
Vsus
|
P1 pin 2
|
175V ± 1V
|
R625
|
Vda
|
P3 pin 1
|
75.0 ± 0.5V
|
R545
|
CONFIRMATION
Name
|
Test point
|
Voltage
|
+18V
|
P4 pin 1
|
17.2V ± 0.5V
|
+13.5V
|
P5 pin 1
|
13.2V ± 0.5V
|
Audio +15V
|
P6 pin 1
|
Audio 13.5V ± 0.5V
|
Audio –15V
|
P6 pin 3
|
Audio –13.5V ± 0.5V
|
5.25V
|
P5 pin 5
|
5.1V ± 0.3V
|
STB5V
|
P7 pin 4
|
5.0V ± 0.3V
|
- Input an APL 100 % white signal.
- Set the picture mode to Normal and the White Balance to Normal
- To perform the following adjustments, please refer to the panel information label located on the heat sink of the panel.
Name
|
Test
point
|
Voltage
|
Volume
|
Vsus
|
TPVSUS (SS-BOARD)
|
Vsus ± 1V*
|
R625 (P3-BOARD)
|
Vbk
|
TPVBK (SC-BOARD)
|
Vbk ± 5V*
|
R6670 (SC-BOARD)
|
Ve
|
TPVE (SS-BOARD)
|
Ve ± 1V*
|
R6770 (SS-BOARD)
|
Vset
|
TPVSET (SC-BOARD)
|
218 V ± 6V
|
- - - - -
|
Vad
|
TPVAD (C9-BOARD)
|
Vad ± 1V*
|
R6477 (SC-BOARD)
|
Vda
|
TP117 (SC-BOARD)
|
74V ± 1V
|
R545 (P1-BOARD)
|
VSCN
|
TPVSCN (SC-BOARD)
|
Vad+118 ± 2V
|
- - - - - - -
|
