HOW TO DISASSEMBLE - SONY STR-KM7600 - MULTI CHANNEL AV RECEIVER [Australia]

CASE

BACK PANEL

FRONT PANEL

MAIN BLOCK

HEAT SINK BLOCK_MAIN BOARD

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SONY STR-KM7600 (Australia) - MAIN BOARD - SCHEMATIC [Circuit Diagram) [STK350-530T-E]

MAIN PWB

SCHEMATICS

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PANASONIC PLASMA TV - LED BLINKING CODES - TROUBLESHOOTING

LED BLINKING CODES - TH-42PX75U_TH-50PX75U_TH-42PX77U_TH-50PX77U

LED BLINKS ONCE [CLICK ON THE PICTURES TO ZOOM IN]

The A board is defective. To confirm this, unplug the TV and disconnect connectors A5, A6, and A7 from the A board. The TV should turn on automatically and display a white screen.

2-BLINKS

3 - BLINKS

5 - BLINKS

SAMSUNG _ HCL - HD4715W - PROJECTION TV - POWER SUPPLY SCHEMATIC

POWER SUPPLY SCHEMATIC

HORIZONTAL OUTPUT

VIDEO OUTPUT [CRT BASE CARDS]

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LG42LH70YD LCD TV - NO POWER - NO BOOT-UP - NO OSD TROUBLE SHOOTING

POWER BOOT-UP FAIL

NO ON-SCREEN DISPLAY

HOW TO ADJUST WHITE BALANCE - ADJUSTMENT - LG42LH70YD - LCD TV

WHITE BALANCE ADJUSTMENT

Test Equipment: CA-210

Using LCD color temperature, Color Analyzer (CA-210) must use CH 9, which Matrix compensated (White, Red, Green, Blue compensation) with CS-2100. See the Coordination bellow.

Manual adjustment sequence is

• Turn to "Ez-Adjust" mode with press ADJ button of service remocon.
• Select "10.Test Pattern" with CH+/- button and press enter. Then set will go on Heat-run mode. Over 30 minutes set let on Heat-run mode.
• Let CA-210 to zero calibration and must has gap more 10cm from center of LCD module when adjustment. 
• Press "ADJ" button of service remocon and select "7.White-Balance" in "Ez-Adjust" then press "Ü" button of navigation key.  (When press "Ü" button then set will go to full white mode)

Adjust at three mode (Cool, Medium, Warm)

• If "cool" mode ; Let B-Gain to 192 and R, G, B-Cut to 64 and then control R, G gain adjustment High Light adjustment.
• If "Medium" and "Warm" mode; Let R-Gain to 192 and R, G, B-Cut to 64 and then control G, B gain adjustment High Light adjustment.
• All of the three mode; Let R-Gain to 192 and R, G, B-Cut to 64 and then control G, B gain adjustment High Light adjustment. [With volume button (+/-) you can adjust.]
• After all adjustment finished, with Enter (Ykey) turn to Ez-Adjust mode. Then with ADJ button, exit from adjustment mode.

Attachment: White Balance adjustment coordination and color temperature.

Using CS-1000 Equipment.

COOL : T=11000K, ¦uv=0.000, x=0.276 y=0.283

MEDIUM : T=9300K, ¦uv=0.000, x=0.285 y=0.293

WARM : T=6500K, ¦uv=0.000, x=0.313 y=0.329

EYE-Q Function checks.

1. Turn on TV
2. Press EYE Key of Adj R/C
3. Cover the Eye Q II sensor on the front of the using your hand and wait for 6 seconds
4. Confirm that R/G/B value is not lower than 10 of the ‘Raw Data (Sensor data, Back light)”. If after 6 seconds, R/G/B value is not lower than 10, replace EYE Q II sensor.
5. Remove your hand from the EYE Q II sensor and wait for 6 second
6. Confirm that “OK” pop up. If change is not seen, replace EYE Q II sensor.

Selection of Country option.

Selection of country option is allowed only North American model  (Not allowed Korean model). It is selection of Country about Rating and Time Zone.

Models: All models, which use LA75A Chassis.

• Press “In-Start” button of Service Remocon, then enter the “Option” Menu with “PIP CH-“Button.
• Select one of these three (USA, CANADA, MEXICO) defends on its market using “Vol. +/-“button.

Caution: Don’t push The Instop Key after completing the function inspection.

EMERSON LC320EM9 - POWER SUPPLY - BACK-LIGHT INVERTER - SCHEMATIC [Circuit Diagram]

BACK-LIGHT INVERTER

AUDIO OUTPUT

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How to enter Service Mode - HISENSE LHDN26W57 [MT5380 Chassis] - LCD TV

How to enter service mode _ Aging Mode _ Hisense LHDN 26W57 LCD TV

SERVICE MODE

With factory RC (remote control)

• Press "M" button and enter factory mode.
• Press "Menu" button and enter factory OSD menu.
• Press "CH+"/"CH-" button select the function menu, press "VOL+"/"VOL-" enter the selected function menu. Press "VOL+"/"VOL-" button adjust values in the menu.

With user's RC

1. Power TV On
2. Press Menu button and call up User OSD Menu
3. Select Audio > Balance
4. Enter 0 >5 >3 > 2 in sequence. [Note: If necessary, re-do number keys.]
5. Factory OSD appears.
6. Press Menu again and leave factory OSD.

WHITE BALANCE

 [Note: Different source has different WB values. Before adjusting, please change to desired source.]

Auto Color

For VGA and Component Video sources, WB values must be adjusted.  Before adjusting, prepare the signal instruments such as DVD or K-8256 first, and find the video picture with gray and color bars. Then change to desired source.

• Press ‘M’ button and enter the factory mode.
• Press ‘Menu’ button and enter factory OSD menu.
• Select the item ‘Auto Color’.
• Press ‘Vol +’ button to auto color.
• Close the OSD menu after 5 seconds.

Clear the EEPROM

Note: The factory menu date varies according to different sources. Incase changing the factory data by error, you can choose to "Clean Protected", by which you can resume the default value, To clear the EEPROM:

1. Select the item ‘Clean All’.
2. Press ‘Vol +’ button to clear the EEPROM data.
3. Close the OSD menu after 5 seconds.
4. Restart the TV.

To Exit the Aging Mode

If there is a red "M" moving on the screen, it mean the TV is in Aging mode.

To exit the Aging mode, use your user RC, and enter 8 > 0 > 8 > 7 in sequence.

TELEFUNKEN - TCP2567STX - SCHEMATIC [CIRCUIT DIAGRAM] - ( MC44608)

SCHEMATIC DIAGRAM

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SMPS [POWER SUPPLY] ONLY

GE 32GLED30 - LED TV - POWER SUPPLY [SMPS] - SCHEMATIC

POWER SUPPLY TROUBLESHOOTING [CLICK ON THE SCHEMATIC TO ZOOM IN]

WHITE SCREEN

BLACK SCREEN

MIVAR 14M4 - COLOR TV - SCHEMATIC [Circuit Diagram] - TEA2261 – TDA6404 – TDA8840 – TDA8356 – TDA7056B

SCHEMATIC -FULL

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SERVICE MODE AND ADJUSTMENTS - HAIER 21F7A - MEMOREX MT2024SM

SERVICE MODE

Specific operation: use remote controller

• Press “MUTE”--> “CALL” --> “-\--“ --> “CALL” -->UTE”  buttons in sequence to enter into factory mode. 
• Press [Program+] / [Program-] to select items and press [VOLUME+] / [VOLUME-] key , to  make data adjustment of  corresponding factory menus.
• Press “EXIT” key to exit factory mode.

Geometrical adjustment: Receive PAL standard complete pattern signal.

Adjustment steps：

a)  Adjust VSL, to the center horizontal line just appears from half  bottom shadow .

b)  Adjust VAM, to get 92% of  vertical picture contents would be displayed on CRT .

c)  Adjust VSH, the center horizontal line corresponds to CRT vertical center.

d)  Adjust SCL, to the linearity of  P card  field is in proper condition.

e)  Adjust HSH, to get the picture horizontal center correspond to CRT horizontal center.

Receive NTSC signal and repeat above adjustment.

AGC  Adjustment

Receive 60dBμ (1mV) VH color bar pattern signal.

Select TOP item.

Adjust value, to noise reduce gradually and just disappeared point.

CRT cut off and white balance adjustment

a)  CRT cut off  adjustment

1.  Select item VG2B, then adjust value to 32.

2.  PRESS “0” key , when  the screen  shows”VG2” adjust  the SCREEN control on Fly back  transformer [LOT] to make the screen show alternating f lashing characters of “INSIDE HIGH  INSIDE LOW”.

b)  White balance adjustment

1.  Receive a Black and White pattern.

2.  Adjust WRP , WRG , WRB items to get color temperature 9300K ±3 JND.

IC VOLTAGES

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HOW TO ENTER SERVICE MODE - MEMOREX MT-1137 - POWER - DEFLECTION - SCHEMATIC

SERVICE MODE
This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. 
To enter the Service Mode, press both set key and remote control key for more than 1 second.
KEY OPERATIONS IN SERVICE MODE

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CONFIRMATION OF HOURS USED

POWER ON total hours can be checked on the screen. Total hours are displayed in 16 system of notation.

Set the VOLUME to minimum.

Press both VOL. DOWN button on the set and Channel button (6)on the remote control for more than 1 second.

After the confirmation of using hours, turn off the power.

WHEN REPLACING EEPROM (MEMORY) IC

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 TABLE.

1. Enter DATA SET mode by setting VOLUME to minimum.
2. Press both VOL. DOWN button on the set and Channel button (6) on the remote control for more than 1 second.  ADDRESS and DATA should appear.
3. ADDRESS is now selected and should "blink". Using the SET + or - keys on the remote, step through the ADDRESS until required ADDRESS to be changed is reached.
4. Press ENTER to select DATA. When DATA is selected, it will "blink"
5. Again, step through the DATA using SET + or - until required DATA value has been selected.
6. Pressing ENTER will take you back to ADDRESS for further selection if necessary.
7. Repeat steps 3 to 6 until all data has been checked.

Check if the fixed values of the each adjustment items are set correctly referring below.

SMPS SCHEMATIC

DEFLECTION SCHEMATIC