RCA - ATC 113 - ALIGNMENT PROCEEDINGS - SERVICE MODE

ERROR CODES

     If certain failures occurs in the chassis, error codes will be stored in the chassis EEPROM .  These error codes are displayed in parameters '1', '2'&'3'.  Parameter '1' stores the error code for the first failure experienced by the instrument.  Similarly, parameter '2' stores the error code for the second failure.  Parameter '3' automatically updated to display the error code for the most recent failure experienced by the instrument.  

ERROR CODES.

        HEX,    DEC,    DEVICE,    CONDITION

1. 00 => 0 => NO ERROR CODE THROWN.
2. 03 => 3 => DETECTED BY MICRO => 12V RUN FAULT.
3. 08 => 8 => T4-CHIP => XRP EVENT DETETED.
4. 09 => 0 => T-4 CHIP => POWER ON RESET.
5. 0A => 10 => F2PIP => POWER ON RESET.
6. 0B => 11 => STEREO DECODER => POWER ON RESET.
7. 10 => 16 => DETECTED BY MICRO => RUN 12C CLOCK OR DATA CLAMPED AT LOGIC STATE ZERO.
8. 12 => 18 => DETECTED BY MICRO => STANDBY 12C CLOCK OR DATA CLAMPED AT LOGIC STATE ZERO.
9. 2C => 44 => F2PIP => NO ACKNOWLEDGE FROM DEVICE.
10. B0 => 176 => STEREO DECODER => NO ACKNOWLEDGE FROM DEVICE.
11. B4 => 180 => THREE LINE COMB FILTER => NO ACKNOWLEDGE FROM DEVICE.
12. 90 => 144 => VIDEO MATRIX SWITCH => NO ACKNOWLEDGE FROM DEVICE.
13. C4 => 196 => MAIN TUNER => PLL BUS FAULT.
14. C6 => 198 => MAIN TUNER => DAC BUS FAULT.

     The presence of a "0" in the error code value indicates that No Failure had occurred  since the last time the error code parameters were reset.  The error codes should be reset to "0" after servicing using "Vol+ | Vol- buttons.

Because, a failure of a bus IC is a possible reason for needing service, normal acknowledgement checking is disabled in the service mode.  If an IIC device has failed, its address will be stored in the error code area. 

EXITING SERIVCE MODE.

     Service mode can be exited at any time by pressing the Power Button.  New data is stored in the EEPROM when exits. 

X-Ray shutdown check.

• Momentarily apply a short between the shut down test point [BL901-located at the back edge of the chassis near main tuner] and chassis ground (main tuner shield). The instrument should shut down immediately, then turn back ON after approx: 2seconds.
• Apply and maintain  short between the shut down test point and chassis ground.  The instrument must shut down.  The instrument will attempt to restart several times, then remain Off. 
• Remove the short from BL901.
• Enter the service mode and reset the error code parameters to "0".

RCA - ATC 113 - SERVICE MODE ALIGNMENTS

USING FRONT PANEL CONTROLS TO ENTER SERVICE MODE

• Turn ON the TV.
• Press and Hold "Menu" button. 
• Press and Release "Vol+" button.
• Release the "Menu" button. Service mode screen will be displayed.

     The parameter (P) number is on the left side of the display and represents the function that will be performed.  The value (V) is on the right side of the display and represents the decimal value stored for the function selected.  Once the Service Mode Security Code has been entered, the Ch Up | Ch Dn buttons on the front panel of the TV (not with the remote control) are used to change the parameter (P) number.  The Vol + | Vol- buttons are used to change the decimal value (V) of the function.  

     When the service mode is accessed, the parameter will be [0].  Parameter [0] is used to input the security code.  The security code is necessary to protect the factory alignments from inadvertent modification.  Attempting to change the parameter (P) using [CH up] or [CH dn] before the proper security code is entered will cause the instrument to Exit the service mode.  

SECURITY CODES

     When the service mode is first entered, the parameter (P) will come up set at [0], which corresponds to the security code function.  With the parameter (P) set to "0" adjust the value (V)  using Vol+ | Vol-  to '76' for access to the Front Panel Service Mode.  Set the value (V) to '200' for chip per check operation.  

     Once the security code have been set, individual alignments can be accessed by pressing Ch Up | Ch Dn changing the parameter (P) number.

  

     Once a parameter (P) has been selected for a particular alignment the Vol+ | Vol-  buttons can be used to change the value (V) of the alignments selected.  

GRUNDIG and BEKO - LCD TV SERVICE Service Mode

TO ENTER AND EXIT SERVICE MENU

• Press button "i" (INFO menu).
• Enter the code [8500].  The service menu screen will be display service menu, and software version.
• Step by step call up the service menu 'ADJUSTMENTS' and 'SELECTIONS' with button OK.
• To Exit from service mode, press "TXT" button.

FUNCTIONS OF BUTTONS.

"i" => Call Up the dialog center.

"OK" => Call up the service menus.

"P+ | P- => Call up the dialogue line. [point of menu].

"< | >" => Changing the settings.

"TXT" => Exit the service mode.

HAIER RGBTV - 25F99 SERVICE MODE AND ADJUSTMENTS

SERVICE MODE, ADJUSTMENT ITEMS & DATA VALUES

To enter service mode, switch ON the set, and press [P.STD => S.STD => CALL => POWER] keys on the remote control in sequence.  Never allow time out of 5 seconds between each presses. 

• Press 'Menu" button for selection.
• Press P+ or CH+ buttons to adjust the item to adjust.
• Press Vol + / - button to adjust the data value to selected item.
• Press 1 to 6 buttons for quick selection of Menus 1 to 6.
• Press button [9] to select OSD sync: signal cathode.
• Press AV/TV to switch from AV to TV.
• Press 'Mute' button to select or deselect Mute.
• Press power button to switch OFF the device.
• Press other buttons to deactivate the service menu.

If [2] (Geometry) is selected, a half image or full image can be displayed in rotation if button [8] is pressed. 

If [3] (Picture) is selected, a horizontal line can be displayed or removed if [0] button is pressed.

Service menu-1 |  ITEM, SPECIFICATION, RANGE & DEFAULT VALUES.

1. AGC => RF AGC DELAY => 0 TO 3FH => 14
2. VCO => INTERMEDIATE FREQUENCY CORRECTION => 0 TO 5 => 02(Not adjustable)
3. YDL => Y DELAY COMPENSATION TV => 0 TO 8 => 04 (Not adjustable).

VCO [03] corresponds to IF 38.0MHz.

Service menu -2 | ITEM, SPECIFICATIONS, RANGE & DEFAULT VALUE

1. PSL/NSL => FIELD PITCH CORRECTION => 0 TO 3FH.
2. PVS/NVS => FIELD CENTER CORRECTION => 0 TO 3FH.
3. PVA/NVA => FIELD RANGE CORRECTION => 0 TO 3FH.
4. PHS/NHS => LINE CENTER CORRECTION => 0 TO 3FH.
5. PEW/NEW => LINE WIDTH CORRECTION => 0 TO 3FH.
6. PEP/NEP => PINCUSHION CORRECTION => 0 TO 3FH.
7. PEC/NEC => 4-CORNER DISTORTION CORRECTION => 0 TO 3FH.
8. PET/NET => TRAPEZIUM CORRECTION => 0 TO 3FH.
9. PSC/NSC => FIELD S-CORRECTION => 0 TO 3FH.

S-Correction is adjusted according to the curvature of the kinescope, and kinescopes of the same model will have same S-Correction data value.

Geometry correction will be automatically classified according to the 50|60 systems currently recognized.  

• RG => R-PUMPING => 0 TO 3FH.
• GG => G-PUMPING => 0 TO 3FH.
• BG => B-PUMPING => 0 TO 3 FH.
• SBT => SECONDARY BRIGHTNESS => 0 TO 3 FH => 3A.
• SCT => SECONDARY CONTRAST => 0 TO 3FH => 3A.
• SCR => SECONDARY CHROMA => 0 TO 3FH => 3A.
• STT => N-SECONDARY TONALITY => 0 TO 3FH => 3A.
• CDL => CATHODE DRIVE LEVEL => 0 TO 7FH => 85.

RCA L32WD26D - SERVICE MODE ADJUSTMENTS - 2

Cont:

CONFIRMATION OF CHECK SUM, POWER ON TOTAL HOURS AND MICON VERSION


Initial total of memory IC, Power ON total hours and MICON version can be checkde on the screen.  Total hours are displayed on the screen in 16 system of notation.
 If a Factory Initialization is set, the total hours will reset to "0".

1. Turn ON the power and set to the TV mode.
2. Set the volume to minimum.
3. Press Both Vol Dn button on the TV set and channel [8] button on the remote control for more than 2 seconds.  
4. After confirmation of each check sum, turn Off the power. Each item value might be different according to each set. The screen will have 

• HCS CHK SUM => INITIAL SETTING DATA CHECK SUM
• HRM CHK SUM => ROM CORRECTION DATA CHECK SUM.
• LCD PWR ON: 0000 => POWER ON TOTAL HOURS = (16*16*16* thousands digit value)|| + (16*16*hundreds digit value)|| + (16*tens digit value)||+(ones digit value).
• OEC6089A_005 => MICON VERSION.
• DTV CA03B75231 => DIGITAL TV MICON FIRMWARE.

CONFIRMATION OF INITIAL DATA

If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to INITIAL SETTINGS  as given below.

• HCS 00    0B
• HRM  0600  01
• OCE6089A_05
• DTV  CA03B75231

1. Turn the Power On and set to the TV mode.
2. Set the Volume to minimum.
3. Press Both Vol Dn, button on the TV set, and the channel button [6] on the remote control for more than 2 seconds. Address and Data should appear as above.
4. Address is now selected and should 'blink'.  Using the Ch+/Ch- button on the remote, step through the Address until press Vol Up/Dn button to select the Data.  It will 'blink'.
5. Again step through the Data using Ch Up/Dn button, until the required Data value has been selected. 
6. Pressing Vol Up/Dn button will take back to Address for further selection if necessary.
7. Repeat steps 4 to 6 until all Data has been checked.  
8. When satisfied correct Data has been entered, turn Power OFF (return to Standby Mode) to finish Data input.  [After Data input, set to the initialization of shipping.]
9. Turn On the power.
10. Set the Volume to minimum.
11. Press Both Vol Dn button on the TV set, and channel button [1] on the remote control for 2 seconds. 
12. After finishing the initialization of shipping, the unit will turn Off automatically. The unit will now have the correct Data for the new memory IC.

RCA - L32WD26D - V-CHIP UNLOCK & SERVICE MODE

This unit is provided with the following Service Modes.




To enter the service mode function, Press and Hold Both buttons simultaneously on the Main Unit and on the Remote Control for more than a standard time, specified here.

1. TV Mode => Vol-Dn => Key [0] => for 2 seconds => Releasing or V-Chip Password.
2. TV Mode => Vol-Dn => Key [1] => for 2 seconds => Initialization of Factory TV data.  If you set factory initialization, the memories are reset such as the channel setting, and Power On Total Hours.
3. DVD Mode (with no disc) => Vol-Dn => key[4] => 2 seconds => Initialization of Factory DVD data.
4. DVD Mode (with no disc) => Vol-Dn => key[5] => 2 seconds => DVD Write Mode. [do not use this for normal servicing].
5. TV Mode => Vol-Dn => key [6] => 2 seconds => Power On Total Hours are displayed on the screen.  Can be checked Initial Data of memory IC.  [used when replacing memory IC].
6. TV Mode => Vol-Dn => key[8] => 2 seconds => Check of the SUM DATA and MICON VERSION on the screen.  
7. All Mode => Vol-Dn => key [9] => 2 seconds => Display of adjustment Menu on screen.
8. DVD Mode (no disc) => Stop button => key[1] => 2 seconds => Check of Firmware Version.
9. DVD Mode (no disc) => Stop button => key[7] => 2 seconds => Releasing of Parental Lock

PARENTAL LOCK RATING LEVEL.

If the stored 4 digit password in the Rating Level Menu needs to be cancelled:-

• Turn ON the unit.
• Set the DVD to 'Stop' mode.
• Check that "No Disc" is displayed on the screen.
• Press and Hold the 'Stop' button on the 'Front Panel'.
• Simultaneously Press & Hold the "7" key on the remote control unit.  
• Hold both keys more than 2 seconds.
• The On Screen Display message 'PASSWORD CLEAR" will appear.
• The 4 digit password has now been cleared. 

More service adjustment details follows; 

THOMSON 42WS90 - PLASMA TV SERVICE MODE AND ADJUSTMENTS

APPLICABLE TO - THOMSON_42WS90E & 42WS90E2.

• After replacement of Analogue Module, perform the adjustments of "Video Level" and "Video Screen Position"
• After replacement of "Video" module, perform the adjustments of "Video Level" and "Video Screen Powition".
• After replacement of 'Power' pr 'PDP' module, perform the adjustment of "-180 and +180 and +5V.
• Replacing any other module does not require further adjustment, unless abnormal conditions are encountered. 

SERVICE MODE

It is necessary to enter service mode, in order to carry out alignment of the set.  Most adjustments must be made with the remote control unit.

1. Using the remote control, press successively the "Timer => OK => Mute => Timer".
2. The main Service Menu appear on the screen.

The service mode can also be accessed by;

• Press the "Standby" button on the remote control,
• Switch the Power OFF using the button of the keyboard.
• While pressing the [Volume-ve] button, switch the Power ON.

NAVIGAION

• Press "Menu" button to select the menu.
• Press "Up/Dn" button to select the menu line.
• Press "Left/Right" button to change the data value to selected item.

The value of the adjustment is memorized automatically. 

TO EXIT FROM SERVICE MODE

To exit Service Mode menu press successively the "Timer => OK => Mute => Timer" buttons on the remote control unit. 

It could be necessary to change the Zoom mode in order to carry out some alignments.  Press the Zoom button of the remote control.  The mode switches to [Full Screen => Cinema => 4/3 => 16/9].

BENQ - PB 8250 DLP PROJECTOR LAMP REPLACEMENT, RESET

The lamp used this projector:
Osram.  Type Number [P-VIP 300/1.3 E21.8].  Maximum Wattage - 300W
Serial Number [SPEC LBL PRINTING]. Spec: number details:  For example, if Spec number printed is: (99J8177B81YWWXXXXXH H):
99J8177B81 => is part number.
Y => Year [2004]
WW => Week.
XXXXX => Serial Number. Every week need to reset back 00001.
H H => Plant code.  H=BQY, P=BQM, T=BQS, X=BQX
USE AND REPLACEMENT OF LAMP
When the lamp indicator lights up red or a message appears suggesting it is time to replace the lamp, install a new lamp.  An old lamp may cause malfunction in the projector and in some instances it may explode.  The lamp has been in operation for 1980 hours.  Install a new lamp for optimal performance.  If the projector is normally run with preset "economic' mode selected by its menu, the projector can continue to operate until 2890 hour lamp warning appears.
The lamp has been in operation for 2980 hours, the power will shut down in 20 hours time.  A new lamp should be fitted to avoid the inconvenience when the projector runs out of lamp time.  The lamp has been in operation for over 3000 hours.  The message will flash in the center of the screen together with the lamp indicator lighting up red for 40 seconds.  The projector will shut down after 40 seconds.  The lamp MUST be replace before the projector will operate normally.
 Lamp Replacement.

1. Turn the power OFF and disconnect the projector from the wall socket.
2. Turn the projector cover.  Then loosen the screws and remove the lamp cover.  If the lamp is hot, avoid burns by waiting for 45 minutes until the lamp has cooled.
3. Loosen the screw that fixes the lamp to the projector.  If the screw is not loosened completely , you could injure your fingers .  so it is strongly recommended that to use a magnetic screw driver. 
4. Lift the handle, so that it stands up.  Use the handle to slowly pull the lamp out of the projector. Pulling too quickly may cause the lamp to break and scatter broken glass in the projector.  do not place the lamp in locations where water might splash on it, children can reach it, or near inflammable materials.Do not insert your hand in to the projector after lamp removed.  If you touch the optical components inside, it could cause color unevenness and distortion of projected images.
5. Insert the new lamp.  Make sure that the handle is fully locked and tighten the screw firmly. A loose screw may cause a bad connection, which could result in malfunction.  Do not over tighten the screw
6. Re-install the lamp cover and tighten the screw.  Do not turn the power ON with the lamp cover removed.  Whenever the lamp is replaced, reset the total lamp operation timer.  Do not reset if lamp is not replaced, as it could cause damage. 
7. To Reset the Lamp Counter [1] Press and Hold Exit on the projector three seconds to display the total used lamp time.  [2]  Press Menu button on the projector or on the remote control to access the lamp hour timer. An adjustment message will appear.  [3]  Press Left or Right button to reset lamp hours and press EXIT to leave.