CTV KIT-HITACHI - SCHEMATIC (Circuit Diagram) - 87PS38 (System Control)_24C04(Memory)

Color TV Kit; Hitachi Circuit Diagram [21” PAL M/N-NTSC-M AV-2 IN]

 ICs used: 87PS38 (System Control)_24C04(Memory)_TB1238N(Deflection-Video IF-Chroma jungle)_TC9028F_4053_{ENV56D71C3 Tuner-Serial Data-Serial Clock type}_TDA168469(Power Control)
Universal Remote Control Set-up Codes for Hitachi TVs: 0014 0018 0020 0022 0033 0044 0049 0050 0074 0086 0099 0101 0102 0104 0107 0110 0119 0126 0127 0150 0152 0161 0162 0165 0166 0168 0171 0178 0182 0186 0203 0213 0218 0219 0231 0233 0238 0309 0379 0456 0475 0611 0613 0622 0631 0633 0636 0671 0795.

CIRCUIT DIAGRAM [SCHEMATIC] {CLICK ON THE SCHEMATIC TO MAGNIFY}

TELESTAR 2518 CTV CIRCUIT DIAGRAM - USING ICs B1238N_4066_4053_TB8427K_PG09RD11_TDA16846_TDA7495/TDA7496 B63_24C04_TDA9855

COLOR TV KIT SCHEMATIC {CIRCUIT DIAGRAM} USED ICs-TB1238N_4066_4053_TB8427K_PG09RD11_TDA16846_TDA7495/7496 CTS B63_24C04_TDA9855 & (ENV56D49G3/ET 11 FS USA HYPER BAND TUNER)
Universal Remote Control Set-up Codes for Telestar TVs: 0049 0101 0152 0195 0616

CIRCUIT DIAGRAM [CLICK ON THE SCHEMATIC TO MAGNIFY]

TROUBLESHOOTING -SERVICE MODE (Factory Mode) - REPAIR HELP - SAMSUNG UN40EH5000FXZA - LED LCD TV

Samsung LED LCD TV_UN40EH5000FXZA (UN**EH TV Start Up Sequence) & T'CON Troubleshooting_Alignments {Universal Remote Control Codes for Samsung TVs}

Universal Remote Control Codes for Samsung TVs: 0030 0049 0050 0066 0076 0101 0102 0119 0143 0152 0154 0166 0181 0195 0209 0217 0240 0307 0318 0365 0379 0414 0421 0488 0492 0601 0624 0637 0642 0827
START-UP SEQUENCE

Sequence	Location	DC Voltage
5V STBY to Main Board	CN803-12 (A5V)	5V
Power On/Off From Main Board	CN803-14(Power On/Off)	0V-3.5V
Low Volts On to Main Board with Booting Melody (X9 MStar)	CN803-1,3,5,7 (B13V) CN803- 11,13  (B5)	13V 5V
Back Light On/Off From Main Boar	CN803-6 BLU On/Off	0V – 4.9V 5 Sec Dly
Back Light Dim Control              from Main Board 0 to 20  Backlight.	CN803 – 2 (PWM_DIMM) effective DC Voltage is max  when backlight max.	0.5V – 4.0V (effective) Dark to Bright
Dim Control Out  from IP SMPS to LEDs D1 – is max voltage when backlight is min.	CNL802-1 & 2 (D1 -) C NL802-4 & 5 (D1+) D1 + stays constant DC voltage.	1.3V-32.8V 110.8V.

Function Control Troubleshooting.

* Standby A3.3V on Function Connector, Pin -3.

* All Pins should read 3.3V before commands.

Function Control Troubleshooting

* Press, at Key 1, Pin 6. 3.3V to 0.0V DC  

* Left, Right, Up, Down at Key 2, Pin 7.  Check  specific voltages on chart.

UNEH4000 SAMPLE

TROUBLESHOOTING VIDEO PROBLEMS

 Verify Video Operation (2012 Models)

a. Boot Logo models with X10 Micro-Processor & above during power on. Boot Sound only (X9 MPU) during power on.

b. Customer Picture Test  in user menu

c. “Display”  (If display and Boot Logo & Customer Picture Test are OK the source or cables are first suspected . Then check for a defective input on the Main Board.)

d. Substitute with known good Source (external DVD or Signal Generator to check.)

Using Test Patterns in Factory Mode

ENTER FACTORY MODE

Select an active source signal since Test Pattern may rely on signal source to appear or select TV Source mode.

With Customer Remote.

# Power Standby

# Mute, 182, Power ON

# Select SVC

# Select Test Patterns.

With Service Remote

* Power On

* Info, Test

T'Con TROUBLESHGOOTING

FAILURE EXAMPLES

> If Picture & Display errors Defective Main Board, LVDS, or T-Con

> Green lines or a green screen defective main board , LVDS , or T-CON

Pixelization can be caused by the main board but is more commonly a source error.

Vertical or Horizontal Lines :Defective Panel likely but also T-CON, LVDS, or Main Board. Use Test Patterns in Factory Service Mode to determine error)

ALIGNMENTS

Check/Set Option Bytes: in Factory Mode. (Must be performed after replacing Main Board.)

Service Mode [Factory Mode]

Standard Remote

1. Power OFF the TV

2. Press MUTE, 1 8 2, then POWER.

Factory remote

1. Power the TV ON

2. Press INFO then FACTORY

> Check/Perform latest Firmware Upgrade for all repairs.

> Perform reset in Service Mode if Main board is replaced.

Note: Inform customer of reset of all Settings if Main Board is replaced.

Option Bytes settings for UN40EH5000.

2012 LED Hybrid Disassembly cautions for Front Cover

To prevent the removal process from damaging the connections on the sides of the panel.

* Place TV faces up on cushioned table.

* Cut and split the cover off at the top.

* Carefully remove the Front Cover and insulated paper in Front of T-Con area.

* Attach the Front Cover bottom first to the panel.

* Secure the plastic latch on the left and right side of the Front Cover as shown.

* Visually inspect the spacing between the Cover and the panel for equal clearance

* Combine to stick the Front Cover Rib into the middle mold.

Panel front disassemble

SAMSUNG UN40EH5000 - HOW TO DISASSEMBLE - CONNECTOR VOLTAGES - REPAIR HELP

Disassembley_connector Voltages_boards layout.

DISASSEMBLE
* Place monitor face down on cushioned table

* Remove 4 screws from the stand.

* Remove stand.

* Remove the 1 screw of cover jack.

* Remove cover jack.

* Disconnect the function Assy. Cable.

* Remove the screws of rear-cover. [Not removing the connector can cause Damage to the PC/Connector]

* Remove the rear cover.

LAYOUT

BOARDS AND PART NUMBERS

CN803 IP SMPS to /fro MAIN BOARD connector voltages.

FIRMWARE: 6/4/2012 Version 1012.3 -2012 LED TV X9N Full HD Firmware (T-MX9FAUSC_1012.3)

“Makes better picture quality and solves sound noise with 'Auto Volume On'.”

Avail on GSPN or Samsung,Com Always check for latest update.

DURABAND DBTV1901- HOW TO ENTER SERVICE MODE - SCHEMATIC DIAGRAM

How to enter service mode to Duraband DBTV1901_Schematic Diagram_Memory IC replacemant & adjustments. [Universal Remote Control Set-up Codes]

Semi-conductors (ICs) used _ AN5522_2SD2627LS-CBC11(Hor: Output)_M61250FP(Chroma)_OEC7073A(Micon)_S-24C02BDP-1A(Memory)

SERVICE MODE
To enter the Service Mode, press both set key and remote control key for more than 1 second

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.

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.

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.

8. When satisfied correct DATA has been entered, turn Power Off (return to Standby Mode) to finish the DATA input.  The unit will now have the correct DATA for the new memory IC.

On-Screen Display Adjustment

> In the condition of NO indication on the screen.

* Press the VOL. DOWN button on the set and the Channel button (9) on the remote control for more than 1 second to appear.

* Use the Channel UP/DOWN button or Channel button (0-9)on the remote control to select the options.

* Press the MENU button on the remote control to end the adjustments.

SCHEMATIC (Circuit Diagram)

SYSTEM CONTROL & MEMORY

Horizontal & Vertical Scan Output

CHROMA

SMPS

CLICK ON THE SCHEMATICS TO ZOOM IN

Universal remote control set-up codes: 0101 0135 0767

NOBLEX (TOSHIBA) 32LC837 - 32 Inch - LCD TV – POWER and BACK-LIGHT INVERTER CIRCUIT DIAGRAM [SCHEMATIC]

POWER and BACK-LIGHT INVERTER CIRCUIT DIAGRAM [SCHEMATIC] _ 32LC837  LCD TV.

Used Semiconductors _ T01N60_5N50_OB3309_TEA1733_PC817C_JCS4N60_OB2273AP
{Universal remote control set-up codes to Noblex  0049 0076 0152}
Toshiba: 0018 0025 0039 0044 0045 0075 0101 0119 0128 0141 0143 0145 0165 0195 0227 0247 0369 0379 0460 0642 0658 0713 0810 0813 0814.

SMPS

BACK-LIGHT INVERTER

GRUNDIG DAVIO15 – DAVIO20 – POWER SUPPLY – INVERTER SCHEMATIC

GRUNDIG DAVIO15 – DAVIO 20 – POWER SUPPLY – INVERTER SCHEMATIC _ 15" & 20" LCD TV

Universal remote control codes to Grundig TVs: 0018 0039 0049 0080 0090 0101 0119 0145 0152 0194 0195 0217 0221 0232 0233 0247 0250 0384 0407 0421 0454 0620 0637 0644 0658 0810 0813.

SMPS & INVERER SECHEMATICS

CLICK ON THE PICTURES TO ZOOM IN

TOSHIBA 32ZD36P – TOSHIBA 36ZD36P – SMPS-HORIZONTAL and VERTICAL – VIDEO OUTPUT – SCHEMATIC [Circuit Diagram]

VERTICAL DEFLECTION CIRCUIT

HORIZONTAL DEFLECTION CIRCUIT

VIDEO OUTPUT [CRT BASE CARD] CIRCUIT

SMPS [POWER REGULATOR] CIRCUIT

CLICK ON THE SCHEMATICS TO MAGNIFY 

Universal remote control set-up codes for Toshiba TVs.

0018 0025 0039 0044 0045 0075 0101 0119 0128 0141 0143 0145 0165 0195 0227 0247 0369 0379 0460 0642 0658 0713 0810 0813 0814

LW20M11C-SAMSUNG TFT-LCD TV - DISASSEMBLE – SERVICE MODE – POWER and INVERTER BOARD SCHEMATIC

HOW TO DISASSEMBLE SAMSUNG LW20M11C_TFT-LCD TV_SERVICE MODE – POWER and INVERTER BOARD SCHEMATIC [Universal Remote Control Set-up Codes]

SERVICE MODE
 To enter “Service Mode” Press the remote -control keys in this sequence:

* If you do not have Factory remote control {Power Off > Info > Menu > Mute > Power On}

* If you’ve Factory Remote Control {Power On > Display > Factory}

DISASSEMBLE PROCEDURE

* Place monitor face down on cushioned table.  Remove 4 screws from grip on the stand and remove the stand.

* Remove 5 screws from the back cover and remove the back cover.

* Disconnect speaker cable and IR cable from the shield PCB. Remove 13 screws from the shield PCB.

* Lift up the shield PCB and remove 17 screws from the MAIN boards.

* Disconnect TTL cable and inverter cables from the MAIN boards.

* Lift up the boards and remove 10 screws form the shield panel.

* Remove the shield panel.

POWER SCHEMATIC

INVERTER SCHEMATICS

CLICK ON THE PICTURES TO MAGNIFY

Universal Remote Control Set-up Codes 

0030 0049 0050 0066 0076 0101 0102 0119 0143 0152 0154 0166 0181 0195 0209 0217 0240 0307 0318 0365 0379 0414 0421 0488 0492 0601 0624 0637 0642 0827.