Friday, July 26, 2013

TOSHIBA 32HF72 - 32HFX72 - POWER SUPPLY SCHEMATIC [Circuit Diagram] - ICs-STR-Z4317 [Power Switching Regulator] – TLP421F(GR) [Opto coupler]



MAIN POWER SUPPLY SECTION SCHEMATIC
[Click on Schematics to Zoom In]

VIZIO L30WGU - 30" LCD TV - MAIN POWER SCHEMATIC [Circuit Diagram] - Universal Remote Control Setup Codes


POWER SUPPLY SCHEMATICS
{Click on schematics to Zoom In}
Universal Remote Control Set-up Codes
With GE universal remote: 0081 [081]
With RCA RCR 311 W remote: 1204, 1207, 1224
With RCA RCR 312W remote: 11758, 10864, 10885, 11756

Thursday, July 25, 2013

PHILCO PH-21 - SCHEMATIC DIAGRAM [Circuit Diagram] - Used ICs - STR-FSCQ0765RT(Power Regulator) – PBC817 (Opto Coupler) - OM8370 – TC4053 – LA78040 – AN17821 & 24C08 (Memory IC) - URC Set-up Codes


SCHEMATIC DIAGRAM [FULL]
POWER REGULATOR PORTION
{Click on Schematics to Zoom In}
Universal Remote Control Set-up Codes.
1052 1217 1190 11451080 1239 1007 1039 1157 1051 1171 1012 1310 1326 1141 1219 1024 1046 1081 1136 1287 1298

Wednesday, July 24, 2013

REPAIR FLOW-CHART - AOC L42H831 – AOC L47H831 - HD-LCD TV


FLOW-CHART [REPAIR]
No Power - No LED Indicator
Cannot Start - No LED Indicator
No Display - LED indicator is Green
{Click on Charts to Zoom In}
Abnormal Display
No Sound
OSD - Unstable

AOC L42H831 – AOC L47H831 - HOW TO OPEN [DISASSEMBLE] - HOW TO REMOVE STAND



DISASSEMBLE PROCEDURE
  • Remove the 4 screws to remove the base.
  • Remove 13 screws to remove the rear cover.
  • Remove the main board, power board and speakers.
  • Remove the screws to remove the BKT-VESA and PCB Bracket.
  • Release the keyboard and IR board.
  • Remove the screws to remove the panel BKT .
  • Remove the screws in order to carry out the panel.
  • Remove the panel from the bezel.

HOW TO OPEN [DISASSEMBLE] - AOC - L26W831 - LCD TELEVISION


DISASSEMBLE PROCEDURE
  • Remove the 3 screws to remove the stand base.
  • Remove the screws to remove the rear cover.
  • Remove the screws & connectors to Remove speakers & key board.
{CLICK ON PICTURES TO ZOOM IN}
  • Remove IR board.
  • Remove the screws to remove the main board, power board.
  • Remove the 8 screws to remove the 26bkt-cmo-panel-support&26bkt-pcb-holder-top&26bkt-pcb-holder-btm.
  • Remove the screws to remove the bezel.

AOC L26W831 - 26" LCD TV - HOW TO ENTER SERVICE MODE - WHITE BALANCE - Power Board Schematic [Circuit Diagram] - Universal Remote Control Set-up Codes


AOC 26" LCD TV - Service mode - White balance adjustment SMPS circuit diagram
SERVICE MODE
  • Turn on the TV, press MENU key with remote control, then press number key 1 à9 à 9 à 9.
  • It will achieve the factory mode. 
  • Select the item of White Balance and press right key to enter it.
  • Select “source” like PC/AV/S-VIDEO/HDMI, then select” color temp” to adjust the corresponding R/G/B values.
In the White Balance you can adjust following items.
  • 1-3 items is RG, GG, BG ÆR, G, B Gain adjust.
  • 4-6 items is RO, GO, BO ÆR, G, B Bias adjust.
  • 7 item is Color temp all Mode adjust, color temperature select: Cool, Normal, and Warm.
  • 8 item is Def brightness all mode adjust
  • 9 item is Def contrast all mode adjust.

>Set the input signal format of PC as 1024x768 @60 Hz, AV as NTSC system, YPbPr as 576I, HDMI as 1080I
>Before adjusting all color temp, make PC and YPbPr auto color first.
>The model usually needn’t to be adjusted W/B, only to make auto color.
POWER BOARD SCHEMATIC
{CLICK ON SCHEMATIC TO ZOOM IN}
Universal remote control set-up codes
GE UNIVERSAL REMOTE: 0004 0005 0009 0014 0156 0175 0187 {004, 005, 006, 007, 009, 014, 132, 156, 175, 176, 187}
RCA RCR 311W: 1004, 1005, 1025, 1046, 1078, 1205
RCA RCR 312W: 10030
6 IN 1 SUPER REMOTE: 017,018,020,022,188,189,208

NEC DTE-29U1TH - PF68T32 - SCHEMATIC [Circuit Diagram] - Using ICs - STR-F6654 / STR-F6653 – PC-817C – SE130/SE140/DP142 – MSP3465G/MSO3415D- TDA8946J – TDA8358J – TDA9385-N2 / TDA9365-N2 - Universal Remote Control Set-up Codes


SCHEMATIC [FULL]
{Click on Schematics to Zoom In}
SMPS SECTION
Universal remote control setup codes

With GE universal remote: 0181 0004 0005 0009 0003 0010 0095 0141 { 003, 004, 005, 006, 009, 010, 085, 089, 095, 141, 181}
With RCA RCR 311W: 1002, 1004, 1013, 1025, 1046, 1059, 1078, 1205
With RCA RCR 312W: 10030, 10056, 11704, 11797
With 6-in-one super remote: 016,017,018,022,098,102,108,213
With other remotes: 1105 1157 1336 10581160 1052 1359 1418 1233 1102 1274 1046 1065 1232