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AOC L26W861, Service Manual

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AOC L26W861 Service Manual Download Page 70

26” LCD TV                                                                                                                        AOC L26W861 

 

70

 

0M1G1740 10 47 CR3 

SCREW 

 

0Q1T 940 14 47 CR3 

SCREW 

TU202 

094TNTAT MA 7M 

TUNER NTSC+ATSC ENV56R01D8F 

C233 

065T040210505K      Y 

CAP CHIP 0402 1UF 6V3 X5R +/-10% 

 

Q45T  99609106 

EPE BAG 

 Q40G000162410A 

S/N 

LABEL 

 

Q40T 26061519A 

RATING  LABEL 

 Q44G600027V 

9A 

CARTON 

 

Q85T 583164 

GASKET_ALUMINIUM FOIL 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

All manuals and user guides at all-guides.com

Summary of Contents for L26W861

Page 1: ...d 27 6 2 Power Board 29 6 3 Key Board 30 6 4 IR Board 30 7 White Balance Luminance Adjustment 31 8 Block Diagram 33 9 Schematic 35 9 1 Main Board 35 9 2 Power Board 48 9 3 Key Board 49 10 Exploded Vie...

Page 2: ...te Revision Instructions TPV Model A00 Jul 15 2008 Initial Release E268MZNKW8AENN A01 Sep 17 2008 Add New BOM E268MZNKW8A52N A02 Sep 28 2008 Add New BOM E268MZNSW8AENN A03 Nov 28 2008 Add New BOM E26R...

Page 3: ...ock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or implied arising out of any un...

Page 4: ...SB Clear QAM AV RCA x 1 S Video S Video x 1 Audio L R x 1 COMPONENT Y Cb Cr x 1 Audio channel L Rx 1 HDMI 720p 1080i 480p 480i Video Inputs PC VGA x 1 PC Audio in x 1 Speaker built in Two 5W speakers...

Page 5: ...V sounds CC Press repeatedly to change the closed caption type as CC ON CC OFF CC ON WHEN MUTE FAVORITE Press to toggle the Favorite Normal mode POWER Press to power ON OFF standby TV Note 1 TV is nev...

Page 6: ...you add a label to a channel For more information Menu Language Selects the language for the on screen menu You can select English French or Spanish Aspect Ratio Selects the screen aspect ratio Normal...

Page 7: ...n Sleep Timer Sets the sleep timer Advanced Video Set Noise Reduction Select from Low Mid High and Off Color Temperature Select from Normal Warm and Cool default 3D Y C Choose from On default or Off D...

Page 8: ...hlight Auto Ch Search 3 Press ENTER or to start the search Manually adding or deleting channels from the channel list After you create a channel list using the Auto Ch Search option you can manually a...

Page 9: ...r the sub menu then or to highlight DTV Signal The DTV Signal meter opens 3 Press MENU or EXIT to close the menu To add a label to a channel 1 Press the MENU button The Main OSD On Screen Display menu...

Page 10: ...ess or to select the amount of time Off 5 min 10 min 15 min 30 min 45 min 60 min 90 min 120 min 180 min 240 min To turn off the timer select off To view closed captions Press the CCD button repeatedly...

Page 11: ...r buttons to enter the new password again to confirm Press ENTER to continue To set the Parental Control level 1 Press the MENU button The Main OSD On Screen Display menu opens with Setup highlighted...

Page 12: ...rating and then press ENTER to select the rating When you block a rating that rating and all higher ratings are blocked 7 Press MENU or EXIT button to close the menu American MPAA ratings Canadian MPA...

Page 13: ...26 LCD TV AOC L26W861 13 TV Parental Guidelines ratings Some of the age based TV Parental Guidelines ratings also have content based ratings All manuals and user guides at all guides com...

Page 14: ...26 LCD TV AOC L26W861 14 2 3 How to Connect All manuals and user guides at all guides com...

Page 15: ...udio L R Connect the primary source for component video devices such as a DVD Player or set top box here From left to right use red for Pr blue for Pb green for Y red for right audio R and white for l...

Page 16: ...ogram number 4 CH CH Press to select the next lower Program number 5 MENU Menu key Press to open or exit the OSD menu 6 INPUT Source key Press to select the input source 7 POWER Power key Press to tur...

Page 17: ...Ground 13 H Sync 6 Red Video Ground 14 V Sync 7 Green Video Ground 15 Data Clock SCL for PC Bypass 8 Blue Video Ground 3 2 HDMI Digital connector pin assignments Pin No Description Pin No Description...

Page 18: ...6 48 097 P 72 188 P 40 000 SVGA 800x600 75Hz 1056 x 625 46 875 P 75 P 49 5 1024x768 60Hz 1344x806 48 363 N 60 004 N 65 000 1024x768 70Hz 1328x806 56 476 N 70 069 N 75 000 XGA 1024x768 75Hz 1312x800 60...

Page 19: ...C L26W861 19 4 Mechanical Instructions 1 Remove the 3 screws to remove the base 2 Remove 11 screws to remove the rear cover 3 Remove the screws to remove the BKT vesa All manuals and user guides at al...

Page 20: ...26 LCD TV AOC L26W861 20 4 Release the connectors 5 Remove the speakers 6 Remove the main board power board All manuals and user guides at all guides com...

Page 21: ...26 LCD TV AOC L26W861 21 7 Remove the BKT PCB holder 8 Release the key board and IR board 9 Remove the BKT panel support All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 22: ...26 LCD TV AOC L26W861 22 10 Remove the bezel 11 Remove the 4 screws to release the panel All manuals and user guides at all guides com...

Page 23: ...C952 C953 C954 NG Replace D902 or C920 OK Check T901 OK Replace T901 Replace D950 or C952 or C953 or C954 NG NG NG Repair the key board OK Check 5V SB NG Return to 1 OK Check PWR ON signal NG Check U...

Page 24: ...upply NG Check B voltage T902 D970 C975 OK OK Check U401 NG Replace main board OK Check panel NG Replace panel Check BL_ON_OFF signal NG Check U409 OK Check C999 12V NG Replace C999 OK Check IC903 IC9...

Page 25: ...ter circuit NG Replace the filter or inductance OK NG TV signal Check TV system setup OK Check TU202 Replace TU202 HDMI signal Check U502 NG Replace U502 OK Check U406 NG Replace U406 OK Check U401 NG...

Page 26: ...e OK NG SIF signal Check TV system setup OK Check TU202 Replace TU202 Check U601 U602 NG Replace U601 or U602 Check Earphone jack NG Replace the Earphone jack OK Check speaker NG Replace speaker Check...

Page 27: ...able or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y Is Key Pad Board Normally Replace Key Pad Board Check Main Board N N Y...

Page 28: ...26 LCD TV AOC L26W861 28 6 PCB Layout 6 1 Main Board All manuals and user guides at all guides com...

Page 29: ...26 LCD TV AOC L26W861 29 All manuals and user guides at all guides com...

Page 30: ...26 LCD TV AOC L26W861 30 6 2 Power Board All manuals and user guides at all guides com...

Page 31: ...26 LCD TV AOC L26W861 31 6 3 Key Board 6 4 IR Board All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 32: ...of White Balance and press right key to enter it Before adjusting the white balance please press the factory mode OSD of Reset to reset all white balance factory setting In the White Balance you can a...

Page 33: ...to check the color temperature is saturation or not until is saturation 7 Loop the Item 5 and Item 6 until the T 8000 and RG BG is saturation 8 Enter the 8 item to select another color temperature to...

Page 34: ...RD Analog R L Y C LCD PANEL YPbPr IIS Digital Hsync Vsync YPbPr AUDIO R L S VIDEO M24C32 SPDIF YPbPr CVBS MCU RTD2120L VIF I2C SPEAKER IIS ZR39770 CVBS HDMI 1 FLASH ROM M25P32 VMF6TP DDRII NT5TU32M16C...

Page 35: ...E5 AF4 AF6 AE6 AC2 AD6 AD5 AD4 AD3 AD2 AD1 AF1 AE1 AC10 IF_AINN IF_AINP SIF_AINN SIF_VREFN IF_AGC RF_AGC DMOD_RSTn MPEG_FAIL PARAM 0 IF_VDD3P3_0 SA_DATA DEMOD_CLKO SIF_AINP SIF_VREFP SIF_VDD3P3_0 SIF_...

Page 36: ...OHM 1 2 TP209 1 AV1_CVBS 6 C255 0 1UF16V Video Out U401I ZR39770HGCF AB25 AC25 AB26 AUX_AVID_COMP AUX_ATEST_RES AUX_RSET ZD203 VPORT0603100KV05 1 2 R234 47K OHM 1 10W C296 NC 0402 FB217 120 OHM 1 2 C...

Page 37: ...20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 5V_SUPPLY LV_SUPPLY GND TMDS_D2 TMDS_GND TMDS_D2 TMDS_D1 TMDS_GND TMDS_D1 TMDS_D0 TMDS_GND TMDS_D0 TMDS_CK TMDS_GND TMDS_CK CE_REM_IN DDC_CLK_I...

Page 38: ..._VSYNC 11 ZD212 BAT54C 1 3 2 RGB_HSYNC_F C294 NC FB223 30 OHM 1 2 ZD210 VPORT0603100KV05 1 2 VCC5D C275 1000pF R283 1K OHM 1 10W PR C272 0 22uF10V VGA5V UART0_RX 7 RGB_VSYNC_F RGB_HSYNC R266 2 2K OHM...

Page 39: ...13 TRSTN SPI_HOLD SPI FLASH 32M bit U402 M25P32 VMF6TP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 HOLD Vcc NC1 NC2 NC3 NC4 S Q W GND NC5 NC6 NC7 NC8 D C SPI_HOLD D3V3 R404 4 7K OHM 1 10W R428 1M OHM 1 10W...

Page 40: ...C7 N5 P5 AE7 Y5 Y6 W5 AB9 AC9 L3 AD7 W4 AB1 AA2 L2 W6 T1 W2 W1 M3 V1 M5 G7 U7 AA4 AB2 AB3 M4 T2 AVDD18_HPLL AVDD3_HPLL AVDD3_SYNC AVDD_SYNC1 AVDD3_AFE AVDD18_R AVDD18_G AVDD18_B AVDDLDO LVDSTX_VDD33_0...

Page 41: ...1 10W S0_DQ9 S0_DQ2 S0_BA0 S0_A1 S0_A9 S0_ODT S0_A1 C433 0 1uF S0_DQ0 S0_A12 DDR1V8 S0_VREF S0_DQ8 S0_DQ5 U406 NT5TU32M16BG 25C M8 M3 M7 N2 N8 N3 N7 P2 P8 P3 M2 P7 L2 L3 F3 B3 J2 K2 J8 K8 L8 K7 L7 K3...

Page 42: ...K7 L6 L7 M6 M7 N6 N7 P6 P7 R6 R7 T7 L20 L21 M20 M21 N20 N21 P20 P21 R20 R21 T20 T21 T22 T23 T24 T25 T26 F6 F7 F8 F9 F10 AC18 AB18 F11 Y11 Y12 Y13 Y14 Y15 Y16 AA12 AA13 AA15 AA16 AA17 AA18 AA19 W20 Y17...

Page 43: ...13 R4B5 10K OHM 1 10W PWR_ON 15 D404 LL4148 LED_1 C4B5 0 1uF CH U409 RTD2120L LF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 36 35 34 33 32 31 30 29 28 27 26 25 48 47 46 45 44 43 42...

Page 44: ...5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 ADCLRC ADCBCLK DOUT DACMCLK1 DACLRC1 DACBCLK1 DIN1 DACMCLK2 DACLRC2 DACB...

Page 45: ...OUT4B C685 NC R696 NC C650 680pF 25V R673 10K OHM 1 10W R688 NC VCC_LPF C632 1uF 16V 3V3AMP R671 6R2 1 4W 5 C662 0 1uF VCC_LPF C654 0 1uF AMPP U604 NC 1 2 3 4 5 6 7 8 A OUTPUT A INPUT A INPUT V B INP...

Page 46: ...OHM 1 10W ZD601 VPORT0603100KV05 1 2 ZD602 VPORT0603100KV05 1 2 HP_R 12 CN605 PHONEJACK 1 7 6 2 3 4 5 ZD605 1 2 C646 470uF 6 3V R660 47K OHM 1 10W EAR_R ZD603 1 2 PC_AUDIO_L 12 C692 0 001uF E B 14 18...

Page 47: ...F 16V R729 1K OHM 1 10W U708 3 2 1 VI VO GND R705 15K OHM 1 1 10W PWR_ON 11 C716 680uF 10V Q706 2SC2412KR D3V3 U704 G1084 33T43Uf 2 3 1 VOUT VIN GND C722 0 1uF Q705 AM9435P T1 PF 1 2 3 4 8 7 6 5 S S S...

Page 48: ...1K OHM 1 10W R948 0 OHM 1 4W R939 10K OHM 1 10W R943 22 OHM 1 8W IC903 FAN7602BMX 1 2 3 4 5 6 7 8 LUVP Latch Plimit CS FB GND OUT VCC NC VSTR C919 1000pF 24V R949 0 OHM 1 4W L990 20uH C990 0 47UF 25V...

Page 49: ...t 02 2007 Title Size Document Number Rev Date Sheet of SW06 SW 2 1 3 4 5 P SW C03 NC CN02 CONN 2 4 6 8 1 3 5 7 VOL MENU MENU CH SOURCE SW SOURCE SW CH SW02 SW 2 1 3 4 5 SW07 SW 2 1 3 4 5 P SW SOURCE S...

Page 50: ...26 LCD TV AOC L26W861 50 10 Exploded View a All manuals and user guides at all guides com...

Page 51: ...W 0M1T 330 3120 SCREW 0M1T 930 6 47 CR3 SCREW 0M1T 940 6120 SCREW 0M1T 940 6120 SCREW 0M1T 940 6120 SCREW 0M1T1140 6120 SCREW 4 6MM 0M1T1730 8120 SCREW 0M1T1740 10 47 CR3 SCREW 0Q1T 930 8 47 CR3 SCREW...

Page 52: ...GFA MPF CAP C911 065T 1K103 2E6213 CAP CER 10NF K 1KV C908 065T306K3312BP 330PF K 250VAC C907 065T306K3312BP 330PF K 250VAC C909 065T306K3312F2 Y1 330PF K 250VAC C903 065T306K6812BP Y1 680PF M 250VAC...

Page 53: ...904 061G1206680 3F RST CHIPR 680KOHM 1 1 4W R905 061G1206680 3F RST CHIPR 680KOHM 1 1 4W R909 061G1206680 3F RST CHIPR 680KOHM 1 1 4W R921 061G1206680 3F RST CHIPR 680KOHM 1 1 4W R922 061G1206680 3F R...

Page 54: ...T CHIPR 22 OHM 5 1 4W R933 061T1206220 RST CHIPR 22 OHM 5 1 4W R903 061T1206334 RST CHIPR 330 KOHM 5 1 4W R902 061T1206334 RST CHIPR 330 KOHM 5 1 4W R901 061T1206334 RST CHIPR 330 KOHM 5 1 4W R999 061...

Page 55: ...061T152M15852T RST MOFR 0 15 OHM 5 2WS R974 061T175L10252T 1KOHM 5 1 2W C930 065T 1K222 5T6213 2200PF 1KV K C940 065T 1K222 5T6213 2200PF 1KV K C921 067T215A1007KT EC 10UF 50V 5 11MM C937 067T215A100...

Page 56: ...B J1 XTL NXS24 000AC12F KAB3 12PF 30PPM X401 093T 2262B J CRYSTAL NXS25 000 AC 20PF HC 49 US NSK TU202 094TNTAT MA 4M TUNER NTSC ATSC ENG36E21KF PANASONIC AIF8Z5KQD MAIN BOARD FOR AI C640 064T701J4740...

Page 57: ...4M32SQ1 IC MCU RTD2120L LF LQFP48 U401 056T1126 32 IC ZR39770BGCF BGA 632 U202 056T1133 34 M24C02 WMN6TP U402 056T1133103 DAEKZ4M26NQ1 IC M25P32 VMF6P 32M S0 16 U403 056T113353A M24C32 WMN6TP U203 056...

Page 58: ...0603102 RST CHIPR 1KOHM 5 1 10W R4H3 061T0603102 RST CHIPR 1KOHM 5 1 10W R216 061T0603102 RST CHIPR 1KOHM 5 1 10W R255 061T0603102 RST CHIPR 1KOHM 5 1 10W R484 061T0603102 RST CHIPR 1KOHM 5 1 10W R4D6...

Page 59: ...0 CHIP 22OHM 1 10W R647 061T0603220 CHIP 22OHM 1 10W R648 061T0603220 CHIP 22OHM 1 10W R668 061T0603220 CHIP 22OHM 1 10W R669 061T0603220 CHIP 22OHM 1 10W R6A6 061T0603220 CHIP 22OHM 1 10W R6A7 061T06...

Page 60: ...T0603472 CHIP 4 7KOHM 1 16W R425 061T0603472 CHIP 4 7KOHM 1 16W R419 061T0603472 CHIP 4 7KOHM 1 16W R418 061T0603472 CHIP 4 7KOHM 1 16W R417 061T0603472 CHIP 4 7KOHM 1 16W R416 061T0603472 CHIP 4 7KOH...

Page 61: ...RST CHIPR 7 5 KOHM 5 1 10W R483 061T0603821 RST CHIPR 820 OHM 5 1 10W R4E5 061T0603822 RST CHIPR 8 2 KOHM 5 1 10W R447 061T0603845 0F RST CHIPR 0603 845R 1 10W 1 R446 061T0603845 0F RST CHIPR 0603 84...

Page 62: ...V X7R C496 065T0402104 12 CAP CHIP 0402 0 1UF 16V X7R C497 065T0402104 12 CAP CHIP 0402 0 1UF 16V X7R C498 065T0402104 12 CAP CHIP 0402 0 1UF 16V X7R C499 065T0402104 12 CAP CHIP 0402 0 1UF 16V X7R C4...

Page 63: ...2 CAP CHIP 0402 0 1UF 16V X7R C4D4 065T0402105 05 MLCC 0402 1UF K 6 3V X5R C4E3 065T0402105 05 MLCC 0402 1UF K 6 3V X5R C4E4 065T0402105 05 MLCC 0402 1UF K 6 3V X5R C4E5 065T0402105 05 MLCC 0402 1UF K...

Page 64: ...065T0603104 32 CHIP 0 1UF 50V X7R C653 065T0603104 32 CHIP 0 1UF 50V X7R C652 065T0603104 32 CHIP 0 1UF 50V X7R C651 065T0603104 32 CHIP 0 1UF 50V X7R C643 065T0603104 32 CHIP 0 1UF 50V X7R C642 065T0...

Page 65: ...17 CHIP 1UF 16V Y5V C738 065T0603105 17 CHIP 1UF 16V Y5V C736 065T0603105 17 CHIP 1UF 16V Y5V C725 065T0603105 17 CHIP 1UF 16V Y5V C724 065T0603105 17 CHIP 1UF 16V Y5V C702 065T0603105 17 CHIP 1UF 16...

Page 66: ...0V X5R C4G5 065T1206226 A5 CHIP 22UF 10V X5R C4D1 065T1206226 A5 CHIP 22UF 10V X5R C419 065T1206226 A5 CHIP 22UF 10V X5R C210 065T1206475 22 4 7U 25V X7R C231 065T1206475 22 4 7U 25V X7R C418 065T1206...

Page 67: ...1206 33OHM 6A FB603 071T3216330 6Y CHIP BEAD 1206 33OHM 6A L202 073T 57228 CHIP INDUCTOR 0805 0 22UH 10 JKMT L204 073T 57228 CHIP INDUCTOR 0805 0 22UH 10 JKMT L203 073T 8515810K CHIP INDUCTOR 0 15UH 1...

Page 68: ...MPOUND PALLET Q07T 7 T232 COMPOUND PALLET Q11T5005 1 GP WIRE SADDLE Q15T0258101 26BKT VESA Q15T0259201 BKT CMO PANEL SUPPORT Q15T0260101 26BKT BASE SUPPORT Q15T0261102 26BKT PCB HOLDER BTM Q15T0262101...

Page 69: ...MZNKW8AENN Location Part No Description Q40G000267351A SA GUARANTEE LABEL Q41T780067353B WARRANTY CARD Diversity Of E26RMZNKW8A52N Compared With E268MZNKW8AENN Location Part No Description 756TQ8CB ZK...

Page 70: ...U202 094TNTAT MA 7M TUNER NTSC ATSC ENV56R01D8F C233 065T040210505K Y CAP CHIP 0402 1UF 6V3 X5R 10 Q45T 99609106 EPE BAG Q40G000162410A S N LABEL Q40T 26061519A RATING LABEL Q44G600027V 9A CARTON Q85T...

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