Tuesday, September 29, 2015

HYBRID VALVE AMPLIFIER CIRCUIT DIAGRAM - 6L6 – ECC83

Valve amplifier circuit diagram - Used Valves 6L6 - ECC83

CIRCUIT DIAGRAM
CLICK ON THE SCHEMATICS TO MAGNIFY

Monday, September 28, 2015

TOSHIBA 28N13P – 28 Inch CRT TV Circuit Diagram

Toshiba 28" CRT TV schematic
Used Ics TEA6415C – MC44603-Power Control – MTP6N60E-Power Switching – CQY80NG-Photo-coupler – TDA9830 – TDA8356 or TDA8351-Vertical scan output – TDA2614 or TDA2615-Audio output – SDA555X-Teletext – TSA884X-IF-Video Processor
CIRCUIT DIAGRAM
CLICK ON THE SCHEMATIC TO ZOOM IN

Sunday, September 27, 2015

TOSHIBA 39L2300 – TOSHIBA 32L2300 – SMPS Circuit Diagram

Power Supply Regulator Circuit Diagram - Toshiba 39L2300 - 32L2300
Used ICs - SEM3320-SMPS control – SEM5027 LED driver control
SMPS SECTION
LED DRIVER SECTION

Monday, September 21, 2015

SANYO TV – SERVICE MODES and SMPS – BACK-LIGHT INVERTER SCHEMATICS

SANYO LCD- 24XH7-00 (Argentina) - LCD 32HX4 - DP42410 - DP46142 (LED LCD TV) 
SERVICE MODES
SANYO LCD-24XH7
Quick operation is needed to enter Service Mode.
To enter the Service Menu
> Press and hold the MENU button on Side Controls.
> Keep pressing the
MENU button and press the "MUTE" button on the remote control, and the FACTORY MENU will be displayed.
> Select
SERVICE by pressing ▲▼ button, and press ◄► button to enter.
SANYO DP42410
> At any input source then press the remote controller buttons “<”, “EXIT” and “>” to enter factory mode.
During Factory menu, if “MENU” or “EXIT” key is pushed, system will exit factory mode.
> Exit Factory Mode: After finishing adjusting color temperature, press [MENU] or [EXIT] to exit factory mode.
SANYO DP46142 - LED-LCD TV
At any input source then press the “<==”, “EXIT” and “OK” (Remote control) to enter factory mode
During Factory menu, if “MENU” key is pushed, system will exit factory mode.
Items of Factory menu
When in Component/ Video (Composite)/ ANT inputs then press the “Left -> Exit -> OK” key of remote control to enter factory mode..
During Factory menu, if “MENU” or “EXIT” key is pushed, system will exit factory mode.
Press up and down key can move high light item from Color Temperature > Timer Clear > Preset Channel  > NVRAM Clear > Full Power > Source Calibration > Reset to Default > RF Burn In > USB F/W Upgrade > UART Enable > Bypass Gamma.
The Timer Clear, NVRAM Clear and Reset to Default items will have a check dialog “yes or no” to do or not.
Push “Enter” key can select high light item function. (Press left and right can adjust value) Display panel Burn in Time on the bottom.
LCD 32HX4 SMPS SCHEMATIC
LCD 24XH7 SMPS SCHEMATIC
LCD 24HX7 BACK-LIGHT5 INVERTER SCHEMATIC
 SANYO DP42410 LCD TV SMPS SCHEMATIC
CLICK ON THE SCHEMATICS TO ZOOM IN




Tuesday, September 15, 2015

VESTEL 17PW - TOSHIBA 32LV Samsung T32LIPS – SMPS Circuit Diagram

VESTEL 17PW - TOSHIBA 32LV - TOSHIBA 19HV10X – TOSHIBA 32HV10X SMPS
Samsung T32LIPS ((Liquid Crystal Display) Integrated Power Supply Schematics
Used ICs  NTGS3446 – TNY266 – SG2525A   – BD9893
 VESTEL SMPS
 
SAMSUNG T32LIPS
Click on the pictures to magnify

Thursday, September 10, 2015

SONY KDL32BX327- 40BX427 - chassis AZ2-EK LCD DIGITAL COLOR TV SMPS SCHEMATIC

SONY KDL-22BX327 32BX327 32BX328 32BX427 40BX427 Power Supply Board Circuit Diagram
G-Board and Back-Light Inverter Schematic
G13 Power Board Circuit Diagram
G-14 Power Board Circuit Diagram

Tuesday, September 1, 2015

CTV SMPS CIRCUIT DIAGRAM - STR-X6750F AS POWER SWITCHING

STR F6424 and STR X6750F - SMPS CIRCUIT DIAGRAMS TO COLOR TELEVISIONS
SAMSUNG CS29Z57 – STR X6750 in SMPS – HORIZONTAL and VERTICAL SCAN OUT CIRCUIT
PHILIPS CTV SMPS -  Using STR F6424
CLICK ON THE SCHEMATICS TO ZOOM IN