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Akai LTA-16S01P Service Manual
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Akai LTA-16S01P Service Manual

Multisystem lcd tv set
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LTA-16S01P
LEA-16S02P
LTA-19S01P
LEA-19S02P
LTA-22S01P
LTA-24S01P

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Summary of Contents for Akai LTA-16S01P

  • Page 1 LTA-16S01P LEA-16S02P LTA-19S01P LEA-19S02P LTA-22S01P LTA-24S01P...
  • Page 2 LTA-16S01P LEA-16S02P LTA-19S01P LEA-19S02P LTA-22S01P LTA-24S01P...

  • Page 8: Power Supply Trouble

    Power supply Trouble Display Trouble Exceptional screen Check if the cable for panel is correct and Connected tightly Check if the LCD panel is OK Check if the output circuit jack is normal Change the cable for Panel connector Check the circuit of U14 Repair the damage Change LCD circuit...

  • Page 9: Black Screen

    Display Trouble white screen White screen Check the power supply for panel Check the switch signal for Q8/AO3401’s Check the output signal of U14 G-pole voltage (3.3V~0V or 5V~0) Change the LCD panel Check the circuit of U14 pins Change U14 Check CN17 or change Or the cable to panel Or if the I/O of U14 is damage...
  • Page 10 No Sound Check if have audio signal input Check the set of volume, Mute is normal Check signal output on pin no. 4 & 6 of U1 Is normal Check power supply (>11V)on pin no. 7 of U21/TDA1517P Check the voltage (>9.2V) on pin no.8 Of U21 Check the signal output on pin 50 &51 of U14 Does it has signal input on U14...
  • Page 11 TV cannot scan any channel/ picture Check if the RF cable do have signael Check the pin no. 7 of T1 is 5V Check the pin no. 4 & 5 of T1 has date of Check the pin no. 8 of T1 has signal Check pin no.
  • Page 12 8 Function Trouble PC Under PC channel color fade Picture is not in center No signal Image Stabilization Check the R.G.B input Check if VS,HS signal is signal for U14 ruled and stable OSD settings do Do “Auto adust Check the circuit Check Check the circuit of VS, HS Reset...
  • Page 13 9 Function Trouble SCART , HDMI,S-VIDEO,CVBS SCART RGB .SCART Video. HDMI,S-VIDEO,CVBS HDMI,S-VIDEO CVBS has no signal Color fade Have no signal Check the signal input Check the input of R.G.B. of CN9 is normal Of U14 Whether the pin no.18 Check the wire from CVBS of U14 has input? terminal to signal source...
  • Page 14 1. Hardware connection: 1.1 Connect the USB ISP tool to install of PC, then port driver. 1.2 For board upgrade, Connect the USB ISP tool and blue CN18 of main board with 4pin cable as below picture. 1.3 For CBU upgrade, Connect the USB ISP tool to VGA board with 4pin cable, then plug the VGA board to...
  • Page 15 2. Install software: 2.1 Advise to use English WINDOWS XP OS, and please open the control panel of WINDOWS,enter view item of folder option,cancel seleting hidden extension of known file type. 2.2 copy folder ISP_TOOL_V and folder USB_DRIVER to PC. 2.3 Install USB Driver from folder USB_DRIVER.after installation finish, please restart PC.
  • Page 16 3.3 Press “Read” to choose burning file as below picture. 3.4 Open the burning file(*.bin). 3.5 Power on, press “Connect” to connect the main board.
  • Page 17 3.5.1 If connect success, picture will be as below.Press “OK” continue. 3.5.2 If connect fail, picture will be as below. Press “OK” check. 3.5.2.1 Check tool connect and driver install of USB ISP tool first. 3.5.2.2 Check the power connect and power on.
  • Page 18 3.5.3.1 Burning, Please wait 3.5.3.2 Burn finished. Pease power of ,then take out the power plug and USB ISP Tool plug 3.6 If burn fail, please retry again from 3.5 step. Warning:Don’t disconnection the power while upgrading! Note:please restore the data after upgraded...
  • Page 19 Setting item. Select Reset item,then press RIGHT Select RESET EEPROM item,press RIGHT button to do reset EEPROM. 3.2.Select this item,you may adjust the inner data, as follow: ADC ADJ for VGA:step1,step2(AUTO ADJ) RESET EEPROM(restore inner data)1,2,3:...
  • Page 20 3.2.3.Picture settings: 3.2.3.1.COLOR TEMP settings 1,2: 3.2.3.2.Picture Mode settings 1,2: 3.2.3.3.Video settings 1,2 3.2.4.Sound settings:...
  • Page 21 3.2.4.1.Volume settings 1,2: 3.2.4.2.Sound Mode settings1,2: 3.2.5.Advanced settings　　other option → top(AGC ADJ)1,2,3: → 3.2.6.Version INFO 1,2:...

  • Page 22: Back Light Inverter

    LTA-16S01P TDQ-ATF27WT-F MP1482DN 25X80AVSIG U3U17 EH16A EH11A AE1084S2-3.3E1 CBT3257AD TSUMV26KE-LF IS24C32A-2GLI YD1517P VF389A1Dc SAW2 AF389A7Dc SAW1 14.31818MHZ 3.15A/250V Glass Tube EFD20-058GP BIT3715 Back Light Inverter MOSFET 4501SS Slice 3A/250V TMS156WX1-01TB 6 /3W/2040, W/Exterior Box 190-18HDL2-01 190-18HDL7-01 INPUT: 100-240AC OUTPUT: DC12V/6A...
  • Page 23 LTA-16S01P 15.6 DC 12V,AC 1360*768/60H...
  • Page 25 LEA-16S02P TDQ-ATF27WT-F MP1482DN 25X80AVSIG U3U17 EH16A EH11A AE1084S2-3.3E1 CBT3257AD TSUMV26KE-LF T.VST26.7A) IS24C32A-2GLI YD1517P VF389A1Dc SAW2 AF389A7Dc SAW1 14.31818MHZ 3.15A/250V Glass Tube 47 μ φ 8 Inductance: Diode: SR360 Back Light Inverter MOSFET 4410 (LD1502026) 2A/250V Slice T156LL04-VW4 6 /3W/2040, W/Exterior Box 190-18HDL2-01 190-18HDL7-01 INPUT: 100-240AC...
  • Page 26 LEA-16S02P 15.6 DC 12V,AC 1360*768/60H...
  • Page 28 LTA-19S01P TDQ-ATF27WT-F MP1482DN 25X80AVSIG U3U17 EH16A EH11A AE1084S2-3.3E1 CBT3257AD TSUMV26KE-LF IS24C32A-2GLI YD1517P VF389A1Dc SAW2 AF389A7Dc SAW1 14.31818MHZ 3.15A/250V Glass Tube EFD20-058GP BIT3715 Back Light Inverter MOS FET 4501SS 3A/250V Slice M185B1-L02 6 /3W/2040, W/Exterior Box 190-18HDL2-01 190-18HDL7-01 Key Switch Board INPUT: 100-240AC OUTPUT: DC12V/4A...
  • Page 29 LTA-19S01P 18.5inch...
  • Page 30 CONFIGURATION DRAING for LTA-19S01P...
  • Page 31 LEA-19S02P TDQ-ATF27WT-F MP1482DN 25X80AVSIG U3U17 EH16A EH11A AE1084S2-3.3E1 CBT3257AD TSUMV26KE-LF IS24C32A-2GLI YD1517P VF389A1Dc SAW2 AF389A7Dc SAW1 14.31818MHZ 3.15A/250V Glass Tube Fuse inductance BIT3251 TL431 Back Light Inverter MOS FET D444 Diode SS310 Slice 2A/250V M185B3-L01 6 /3W/2040, W/Exterior Box 190-18HDL2-01 190-18HDL7-01 INPUT: 100-240AC OUTPUT:...
  • Page 32 LEA-19S02P 18.5inch...
  • Page 33 CONFIGURATION DRAING for LEA-19S02P...
  • Page 34 LTA-22S01P TDQ-ATF27WT-F MP1482DN 25X80AVSIG U3U17 EH16A EH11A AE1084S2-3.3E1 CBT3257AD TSUMV26KE-LF IS24C32A-2GLI YD1517P VF389A1Dc SAW2 AF389A7Dc SAW1 14.31818MHZ 3.15A/250V Glass Tube EEL19-009GP T1,T2 TE-5005 Back Light Inverter MOS FET B4501SS Q1,Q3 5A/250V Slice CLAA216WA01 6 /3W/2040, W/Exterior Box 190-18HDL2-01 190-18HDL7-01 INPUT: 100-240AC OUTPUT: DC12V/6A...
  • Page 35 LTA-22S01P...
  • Page 37 LTA-24S01P TDQ-ATF27WT-F MP1482DN 25X80AVSIG U3U17 EH16A EH11A AE1084S2-3.3E1 CBT3257AD TSUMV26KE-LF IS24C32A-2GLI YD1517P VF389A1Dc SAW2 AF389A7Dc SAW1 14.31818MHZ 3.15A/250V Glass Tube EEL19-009GP T1,T2 TE-5005 Back Light Inverter MOS FET B4501SS Q1,Q3 5A/250V Slice M236H1-L01 6 /3W/2040, W/Exterior Box 190-18HDL2-01 190-18HDL7-01 INPUT: 100-240AC OUTPUT: DC12V/6A...
  • Page 38 LTA-24S01P 1920 1080 / 60H...
  • Page 40 CN24 BL ON +5V_STB PWON NC/6PIN-2.0-D-H-G NC/10PIN-2.0-D-H-G +5V_STB R347 PWON C299 R348 R349 NC/47Kohm-0402-±5%-1/16W R350 STB_ON NC/D-MMBT3904-7-F NC/510ohm-0402-±5%-1/16W NC/10Kohm-0402-±5%-1/16W NC/PMBT3906 NC/4K7ohm-0402-±5%-1/16W NC/0.1uF-0402-Y5V-+80%-20%-25V 3F.3150212021ZLQGMV 0.1uF-0402-Y5V-+80%-20%-25V 470uF-25V-±20%-10*13 － 105 ℃ 0.1uF-0402-Y5V-+80%-20%-25V 0.1uF-0402-Y5V-+80%-20%-25V +12V +5V_SW +12VOFF 1Kohm-0402-±5%-1/16W NC/GZ3216D121T(F) AVDDA 33ohm-0402-±5%-1/16W AO3401A PMBT3904 AZ1117H-3.3(TR)E1 ///AZ1084S2-3.3(TR)E1 DC-001- 内径为...
  • Page 41 PC_RIN DVD_+5V 10Kohm-0402-±5%-1/16W 0ohm-0402-±5%-1/16W +3.3V_SW R366 10Kohm-0402-±5%-1/16W NC/33ohm-0402-±5%-1/16W 75ohm-0402-±5%-1/16W +5V_SW TXD/ 0ohm-0402-±5%-1/16W AO3401A NC/ICVL0518030FR R153 R337 DVD_R_IN DVD_RI NC/4K7ohm-0402-±5%-1/16W R154 VGA_TX VGA_Rin DVD_ON R121 10Kohm-0402-±5%-1/16W 5K1ohm-0402-±5%-1/16W +5V_SW +5V_AUD PMBT3904 8K2ohm-0402-±5%-1/16W C100 VGA_SDA VGA_SDA' VGA_Gin PC_GIN 4K7ohm-0402-±5%-1/16W 100ohm-0402-±5%-1/16W 100uF-16V-±20%-6*5.4-105 ℃ 100Kohm-0402-±5%-1/16W VGA_Bin 0.1uF-0402-Y5V-+80%-20%-25V VGA_RX...
  • Page 42 HDMI_5V CN16 R173 RX_HOTPLUG HDMI_5V HDMI_SDA HDMI_SCL RXC- R292 RXC-' RXC- 10ohm-0402-±5%-1/16W 1Kohm-0402-±5%-1/16W RXC+ R293 RXC+' RXC+ RX0- 10ohm-0402-±5%-1/16W RX0- R294 RX0-' RX0+ RX1- 10ohm-0402-±5%-1/16W RX0+ R340 RX0+' RX1+ RX2- 10ohm-0402-±5%-1/16W RX1- R351 RX1-' RX2+ 10ohm-0402-±5%-1/16W 471511051 RX1+ R352 RX1+' 10ohm-0402-±5%-1/16W RX2- R353...
  • Page 43 27pF-0402-NPO-±5%-50V 27pF-0402-NPO-±5%-50V 14.318MHz-±30PPM-20PF-HC-49S +3.3V_STB 1Mohm-0402-±5%-1/16W 470ohm-0402-±5%-1/16W HWRESET R180 SGM810-SXN3L /// NC/STL8110GCH300 C230 R182 AVDD_AU 1uF-0603-Y5V-+80%-20%-10V VDDP_PM AVDDA VDDC_1.26V VDDP AVDD_VIF AVDD_MPLL C231 CN17 VCC-Panel VCC-Panel VCC-Panel TXODD0N TXODD0P 4*22ohm-0603-±5%-1/16W TXODD1N TXODD1P 4*22ohm-0603-±5%-1/16W TXODD2N TXODD2P 4*22ohm-0603-±5%-1/16W SCL_HDMI 4*22ohm-0603-±5%-1/16W TXODDCLKN TXODDCLKP DDCDB_CK SDA_HDMI 4*22ohm-0603-±5%-1/16W TXODD3N...
  • Page 44 150ohm-0402-±5%-1/16W 0.1uF-0402-Y5V-+80%-20%-25V 6K8ohm-0402-±5%-1/16W R115 100uF-16V-±20%-6*5.4-105 ℃ +12VOFF 1Kohm-0402-±5%-1/16W 56ohm-0402-±5%-1/16W 0.01uF-0402-X7R-±10%-50V +5V_SW 5VTV 680ohm-0402-±5%-1/16W C288 EC0410-101K-R-L-F C137 C138 R237 470uF-16V-±20%-8*12 － 105 ℃ 0.1uF-0402-Y5V-+80%-20%-25V R311 NC/2SC3779D 0.1uF-0402-Y5V-+80%-20%-25V PMBT3904 22ohm-0402-±5%-1/16W C264 SAW1 C265 R240 ATV_IF C266 0.01uF-0402-X7R-±10%-50V R241 0.01uF-0402-X7R-±10%-50V +33V +33V R245 SIF2 SDFL1005Q2R2KT(F) SIF1...
  • Page 45 R257 IC MUTE +12VOFF AMP_MUTE R258 YD1517P 10Kohm-0402-±5%-1/16W PMBT3904 4K7ohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W IC MUTE + E14 +12VOFF 1Kohm-0402-±5%-1/16W C267 1Kohm-0402-±5%-1/16W 100uF-16V-±20%-6*5.4-105 ℃ Amp_Rin R254 C268 470uF-16V-±20%-8*12 － 105 ℃ 470uF-16V-±20%-8*12 － 105 ℃ Amp_Lin R256 C269 CN20 0.1uF-0402-Y5V-+80%-20%-25V L_OUT LOUT LSPK 470uF-25V-±20%-10*13 －...

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