SHARP LC-32AX3H/MH _ LC-37AX3H/MH _ PWB REPLACEMENT _ Entering and
Exiting the Adjustment Procedure mode _ Factory Settings _ Lamp Error
Detection
ENTERING & EXITING ADJUSTMENT MODE
- Before entering the adjustment process mode, press the "RESET" button or adjust the menu image to reset the AV position.
- Unplug the AC power cord of the running TV to force off the power.
- While holding down "VOL (–)" and "TV/VIDEO" keys at once, plug in the AC power cord to turn on TV. The letter K appears on the upper left of the screen.
- Next, hold down the "VOL (–)" and "CH (U)" keys at once. Multiple lines of blue characters appearing onscreen indicate that the unit is now in the adjustment process mode. If you fail to enter this mode (the display is the same as normal start-up), retry the procedure.
- To exit the adjustment process mode after adjustment is completed, unplug the AC cord to force off the power. (When the power is turned off with the remote control, once plug the AC cord and after approx. 10 seconds plug it in again.)
Caution:
Use due care in handling the information described here lest the users should
know how to enter the adjustment process mode. If the setting is tampered with
in this mode, unrecoverable system damage may result.
REMOTE CONTROL KEY OPERATIONS DURING ADJUSTMENT MODE
Remote controller key
|
Function
|
CH ( UP | DN)
|
Moving an item (line) by one
(UP/DOWN)
|
VOL (+/–)
|
Changing a selected item
setting (+1/–1)
|
Cursor (UP/DOWN/LEFT/RIGHT)
|
UP/DOWN: PAGE BACK/NEXT.
LEFT/RIGHT: Changing data
(every ten)
|
TV/VIDEO
|
Input source switching (toggle
switching)
(TUNER -> INPUT1 ->
INPUT2 -> INPUT3 -> INPUT4)
|
CH UP/DOWN (Main unit &
R/C)
|
Moving items: BACK/NEXT
|
Enter Key
|
Executing a function
|
Input mode is switched
automatically when relevant adjustment is started so far as the necessary input
signal is available.
FACTORY SETTINGS
- Turn off the AC power to exit the adjustment process mode.
- Use the "VOL(+)"/ [R/C] key on Page 2 to turn "ON" INDUSTRY INIT and then press "OK" [R/C] key.
- "////////" appears and then "SUCCESS" appears if the setting is completed.
The followings are initialized to
factory settings.
- Use settings
- Channel data (e.g. broadcast frequencies)
- Manufacturer’s option settings
- Password data.
LAMP ERROR DETECTION
This LCD colour TV set
incorporates the lamp error detection feature that automatically turns off the
power for safety. If the lamp or the lamp circuit is defective or if the lamp
error detection is activated for some reason, the following will result.
- The power is interrupted in approx. 6 seconds after turned on.(The power LED on the front of the TV set turns from green to red and keeps blinking in red: ON for 250ms; OFF for 1 sec).
- If the phenomenon mentioned in 1 above occurs five consecutive times, the power cannot be turned on. (The LED keeps blinking in red: ON for 250ms; OFF for 1 sec).
MEASURES
- Checking with lamp error detection OFF
Enter the display process,
referring to "3. Entering and exiting the display process mode". If
the lamp or the lamp circuit is defective, the lamp will go out. (The power LED
is green.). Thus abnormalities can be
checked.
- Resetting the lamp error circuit
After checking for abnormality
in the lamp or the lamp circuit, reset the lamp error count. If the lamp error is detected five
consecutive times, the power cannot be turned on. Use the "CH (UP | DN)"
key to move to [LAMP ERROR RESET], (Line 6) on the display process mode service
page. Then use the "cursor LEFT/RIGHT" key to select the [LAMP ERROR
RESET] value. Finally press the "cursor UP/DOWN" key to reset the
value to "0".
ADJUSTMENTS AFTER PWB REPLACEMENT & PROGRAM REWRITING PROCEDURE
When replacing the following units, be sure to
prepare the new units loaded with updated software.
AV
UNIT
|
DUNTKD513DE01
(LC-32AX3M)
DUNTKD513DE02
(LC-32AX3H)
DUNTKD513DE03
(LC-32AX3X)
|
DUNTKD513DE04
(LC-37AX3M)
DUNTKD513DE05
(LC-37AX3H)
DUNTKD513DE06
(LC-37AX3X)
|
MAIN
UNIT
|
DUNTKD558FE01
(LC-32AX3M)
DUNTKD558FE02
(LC-32AX3H)
DUNTKD558FE03
(LC-32AX3X)
|
DUNTKD558FE04
(LC-37AX3M)
DUNTKD558FE05
(LC-37AX3H)
DUNTKD558FE06
(LC-37AX3X)
|
PROGRAM REWRITING
Preparations
- PC with parallel port (printer port)
- Parallel cable (Straight type)
- Jig PWB (PAL JiGUiF-001)
- 20-pin cable (1 in the figure below)
- Application software for the rewriting program (IAP Writer)
- Rewriting program.
- Set the PC printer port to EPP or ECP from BIOS setting. (Settings are different depending on PCs; it is desirable that a skilled person performs this operation.)
- Install the application software for the rewriting program (IAP Writer) into the PC.
- Connect the PC and the jig PWB with the parallel cable.
- Rewrite the program.
- Unplug the AC cord during power up.
- Connect the jig PWB and the AV PWB with the cable (20-pin). (Connect P5601 of the jig PWB and FD of the AV PWB.).
- Start the application software for the REWRITING program (IAP Writer). (If start-up is impossible, recheck the procedure.)
- While holding down the "SYSTEM RESET" button, plug in the AC cord to turn on the power.LED on the jig PWB lights up.
- Jig PWB connection is automatically detected and the system is shifted to the program rewriting mode.The rewriting program (IAP Writer) on the PC dictates writing. (Writing conditions are indicated on the IAP Writer.)
- Wait until Step 5 is ended.
- When ended, exit the IAP Writer.
- Turn off the AC power of the unit. (Unplug the AC cord.).
- Remove the cable from the jig PWB and the AV PWB.
- Turn on the AC power of the unit to check for operation. (If "TV/VIDEO" and "VOL (+)/(–)" are available, rewriting is completed.). Factory initialization (INDUSTRY INIT) is required after version update.
- Enter the adjustment mode and check.
