akira LCT-37CHSTP Service Manual Download Page 1

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LCD TV

Service Manual

Summary of Contents for LCT-37CHSTP

Page 1: ...LCD TV Service Manual ...

Page 2: ... 2 M M Mo o od d de e el l l L L LC C CT T T 3 3 37 7 7C C CH H HS S ST T TP P P C C Ch h ha a as s ss s si i is s s L L LS S S 0 0 08 8 8 Model No LCT 37CHSTP doc Version 1 0 ...

Page 3: ...ersion 1 0 CONTENTS MAIN FEATURE 4 MAIN ICS FUNCTION INTRODUCTION 8 SYMPTOMS AND CORRECTION 46 LIST OF BREAKABLE AND MAINTENANCE PARTS 47 FACTORY MODE AND NOTICE 49 CIRCUIT DIAGRAM 53 WIRING DIAGRAM 66 EXPLODED VIEW 67 PART LIST 68 ...

Page 4: ...80i and 1080p formats VGA input Convenient to connect with the host computer Capable to use as the display terminal Connect the 3 5mm diameter audio cord to your computer s audio main board you can listening the beautiful music transmitted from your host computer DVI input Convenient to receive DVI signal Teletext decoder PIP POP PBP function Turn on with intelligence Zoom mode LTI CTI and black f...

Page 5: ...st Power Energy Saving Mode power management mode In PC mode the LCD TV will automatically power off within 30 seconds and enter into the Power Energy Saving Mode if there is no VGA signal input It will automatically exit from the Power Energy Saving Mode and work again when it received a valid VGA signal or press any button on the panel remote control Plug and Play It is no need to equip any inst...

Page 6: ...CHSTP doc Version 1 0 Unit IC Compositions LS08 chassis LCD TV is mainly composed of regulator IC RF IC video processor IC Power Amplify IC Analog Video IC System Control IC and Key Control IC see this IC frame as below ...

Page 7: ...sformation and on screen display 2 TV Board Assembly It is mainly composed of two tuners main and sub tuners AV S HD signal terminals and some peripheral processing IC The main tuner demodulates RF signal to IF signal and the sub tuner produces CVBS signal all signals are sent to the main board after transfer 3 Remote Control Receiver Assembly It is composed of one indicator light and one remote c...

Page 8: ...SN Buffer 5 U306 U307 UA3 FSAV330QSCX Switch selection 6 K201 K3953M Audio surface filter 7 K202 K9656M Audio surface filter 8 U6 TPA3002D2PHPR Audio amplifier 9 U801 AM29LV800DT 70EC Flash control program inside 10 U700 GM1501 BD Video processor 11 U201 TDA15021H N1B07 AV decoder 12 U402 SAA7115HL V1 Sub channel video decoder 13 U305 SM5302AS G ET High definition signal filter 14 U400 TDA8759HV 8...

Page 9: ...mediate frequency TV signal Intermediate frequency TV signal Sub Tuner TMD2 E49IPIWA Pin Definition Description 1 AGC Auto gain control 2 NC NC 3 ADD Ground 4 SCL IIC bus Clock 5 SDA IIC bus Data 6 NC NC 7 5V Power supply 8 NC NC 9 33V To produce 0 30V tune voltage to 0 30V 10 NC NC 11 IF Intermediate frequency output NC 12 IF Intermediate frequency output NC 13 SW0 Band control 14 SW1 Band contro...

Page 10: ...and LCDS inverter See the features as below Features High quality image zoom function Analog RGB signal input interface Intelligent output signal auto identification Integrated high power PLL output High reliable self adaptive DVI input interface 4 4 4 4 2 2 CCR656 601 8 16 24bit digital video interface Embedded IC for adjustments of gain contrast brightness color saturation hue and flesh tone Eff...

Page 11: ...ND ADC digital ground C4 D4 E1 E2 E4 ADC AGND ADC analog ground DVI input port N4 DVI SCL DDC interface serial clock signal N3 DVI SDA DDC interface serial data signal A6 B6 RXC RXC DVI clock input signal A8 A10 B8 B10 RX0 RX2 RX0 RX2 DVI input port B11 REXT Exterior cut off resistance C6 C11 DVI 3 3 DVI 3 3V power supply D6 D8 D10 DVI 1 8 DVI 1 8V power supply A7 A11 B5 B7 C7 D7 D11 DVI GND DVI g...

Page 12: ... signal input A14 SVODD Scan status input A17 SVDV SV data input Standard definition video data port D14 D15 A15 A16 B15 B16 C15 C16 SVDATA7 SVDATA0 SV ITU656 data input Video Control Port A20 VCLK Video pels clock signal D19 VHS_CSYNC Video horizontal synchronization signal input C20 VVS Video vertical synchronization signal input B20 VODD Scan status input D20 VDV VSOG Video data input B17 VCLAM...

Page 13: ... AD13 AC12 LVDSB_3 3 LVDS B channel power supply AC13 AC14 AC15 LVDSB_GND B channel ground AC20 AC21 AC22 LVDSA_3 3 LVDS A channel power supply AD19 AC19 AC20 LVDSA_GND A channel ground AE17 VDDD33_LVDS Analog power supply AD17 VSSD33_LVDS Analog ground Clock Composite and Power Supply G4 XTAL Crystal oscillator interface F2 VDDD33_PLL H1 VDDD33_SDDS J1 VDDD33_DDDS Digital power supply G2 VSSD33_P...

Page 14: ...oltage ground W25 FSVREF Reference voltage input W24 FSVREFVSS Reference voltage ground L26 FSDQS Data filter F24 F26 G23 G26 H24 H26 J25 J26 R24 R26 P24 P26 N23 N26 FSDATA31 FSDATA0 Data input output port T24 T25 U25 U26 FSDQM3 FSDQM0 Data output mark Y26 Y25 FSBKSEL1 FSBKSEL0 Layer address AA24 AA26 AB24 AB26 AC24 AC26 AD24 AD26 FSADDR11 FSADDR0 Range address output E23 F23 H23 J23 L23 M23 P23 R...

Page 15: ...l No LCT 26CHSTP doc Version 1 0 D23 W4 Y4 AA4 AB4 AC4 AC6 D17 D22 AC8 AC10 IO_3 3 3 3V power supply K12 K13 K14 K15 L10 L12 L13 L14 L15 L17 M10 M11 M12 M13 D_GND Power ground A1 AC D5 AC17 K3 F1 NO_CONNECT NC ...

Page 16: ... 16 Model No LCT 26CHSTP doc Version 1 0 GM1501Internal Block Diagram ...

Page 17: ...orts resolutions from 480i and VGA to HDTV and XGA Features Triple 8 bit Analog to Digital Converter ADC Three independent analog video sources up to 81 Msps selectable by I2C bus Auto check on interval scan video signal 1 8Vand 3 3Vsupplies Low gain variation with temperature Output format RGB 4 4 4 YUV 4 4 4 YUV 4 2 2 CCIR 656 or YUV 4 2 2 semi planar standard on output bus I C bus control Progr...

Page 18: ... 18 Model No LCT 26CHSTP doc Version 1 0 TDA8759 Block Diagram ...

Page 19: ...82 85 87 88 VDDA Power supply port 49 REFB Pb Blue blue chrominance channel reference input 52 51 50 B Pb1 B Pb3 Blue blue chrominance channel analog input 56 BIAS Bias input 62 REFG Y Green green chrominance channel reference input 65 64 63 G Y1 G Y3 Green green chrominance channel analog input 74 73 72 SOG Y1 SOG Y3 Sync on green brightness channel input 77 REFR Pr Red red chrominance channel re...

Page 20: ...70 CS Color synchronization output 171 ORR V Red chrominance ADCoutput 172 ORB U Blue chrominance ADCoutput 173 ORG Y Green chrominance ADCoutput 174 VAI Video dynamic indication output 175 FREF Scan output 17 VREF Vertical channel reference input TPA3002D2 The TPA3002D2 is a 9 W per channel efficient Class D audio amplifier for driving bridged tied stereo speakers The TPA3002D2 can drive stereo s...

Page 21: ...d Class D stereo outputs are enabled Variable outputs VAROUTL and VAROUTR are still enabled in Class D mode to be used as line level outputs for external amplifiers 35 MODE_OUT Output for control of the variable output amplifiers When the MODE pin 34 is a logic high the MODE_OUT pin is driven low When the MODE pin 34 is a logic low the MODE_OUT pin is driven high This pin is intended for MUTE cont...

Page 22: ...n between the Class D and VAROUT outputs Connect to GND or AVDDREF if VAROUT outputs are unconnected 10 VARMAX DC voltage that sets the maximum gain for the VAROUT outputs Connect to GND or AVDDREF if VAROUT outputs are unconnected 31 VAROUTL Variable output for left channel audio Line level output for driving external HP amplifier 32 VAROUTR VAROUTR 32 O Variable output for right channel audio Li...

Page 23: ... 23 Model No LCT 26CHSTP doc Version 1 0 TPA3002D2 External Block Diagram ...

Page 24: ... stage channel gain difference and phase difference values Features Supply voltage 5V 10 DC voltage level restore sync clamp function Output buffer gain switching function 0 6dB input to output AC signal gain Channel to channel gain difference 0 5dB 5 supply voltage variation Channel to channel phase difference 3 5 degree Output signal harmonic distortion all channels 1 5 Cutoff frequency 5 8 to 3...

Page 25: ...9 DISABLE Power save function Built in pull down resistor 10 13 16 19 GND Ground 11 BOUT VOUT B V signal output 14 GOUT UOUT Analog 5V supply 17 ROUT YINB R Y signal output 12 15 18 24 VCC Analog 5V supply 20 RFC LPF low pass filter cutoff frequency setting resistor connection 21 VFC LPF low pass filter cutoff frequency setting voltage input 22 MUXSEL Input select signal 23 SYNCIN Filter channel e...

Page 26: ...en devices like e g LCD projectors due to it s improved comb filter performance and 10 bit video output capabilities Features Six analog inputs internal analog source selectors Two improved 9 Bit CMOS analog to digital converter in differential CMOS style Automatic Clamp Control ACC for CVBS Y and C Enhanced Horizontal and vertical Sync Detection PAL delay line for correcting PAL phase errors Auto...

Page 27: ... 27 Model No LCT 26CHSTP doc Version 1 0 SAA7115 Internal Diagram ...

Page 28: ...or ADC channel 2 pins AI24 AI23 AI22 AI21 differential input for ADC channel 1 pins AI12 AI11 20 AI11 18 AI12 Analog input 11 Analog input 12 5 9 15 21 24 26 38 50 63 76 88 100 AGND VSS Ground 22 AOUT Analog test output do not connect 27 CE Chip Enable or RESET input with internal pull up 28 LLC 29 LLC2 Line locked system clock output 27 MHz nominal for backward compatibility do not use for new ap...

Page 29: ...PV Multi purpose vertical reference output signal image port controlled by subaddr 84 85 53 IGPH Multi purpose horizontal reference output signal image port controlled by subaddr 84 85 54 57 59 62 IPD0 IPD7 Image port data output 64 67 69 72 HPD0 HPD 7 Host port data I O carries UV chrominance information in 16 bit video I O modes 80 XTRI X port output control signal effects all X port pins XPD 7 ...

Page 30: ... and video dependent coring dynamic skin tone control gamma control and blue and black stretching All features are available for CVBS Y C and RGB YPBPR signals The mono intercarrier sound circuit has a selective FM PLL demodulator which can be switched to the different FM sound frequencies 4 5 5 5 6 0 6 5 MHz The quality of this system is such that the external band pass filters can be omitted In ...

Page 31: ...y 15 VP1 decoupling digital supply 16 PH2LF 17 PH1LF phase 2 filter phase 1 filter 19 SECPLL 20 DECBG SECAM PLL decoupling bandgap decoupling 21 EWD AVL East West drive output or AVL capacitor 22 VDRB 23 VDRA vertical drive B output vertical drive A output 24 VIFIN1 25 VIFIN2 IF input 1 IF input 2 27 IREF reference current input 29 SIFIN1 DVBIN1 30 SIFIN2 DVBIN2 SIF input 1 DVB input 1 31 AGCOUT t...

Page 32: ...econd sound IF 47 VP2 2nd supply voltage TV processor 5 V 48 IFVO SVO CVBSI video output selected CVBS output CVBS 49 AUDIOIN4L 50 AUDIOIN4R audio 4 input left signal audio 4 input right signal 51 CVBS4 Y4 CVBS Y input 52 C4 chroma 4 input 53 AUDIOIN2L SSIF 54 AUDIOIN2R 56 AUDIOIN3L 57 AUDIOIN3R 30 AUDOUTLSL 61 AUDOUTLSR 62 AUDOUTHPL 63 AUDOUTHPR Audio input 58 CVBS3 Y3 CVBS Y input 59 C2 C3 chrom...

Page 33: ...WO1 V output for YUV interface 77 INSSW3 3rd RGB YPBPR insertion input 78 R PRIN3 3rd R input PR input 79 G YIN3 G input Y input 80 B PBIN3 3rd B input PB input 83 BCLIN Beam current limiter input 85 RO Red output 86 GO Green output 87 BO Blue output 97 INT0 P0 5 External interrupt 0 or port 0 5 4 mA current sinking direct drive of LEDs 98 99 102 109 111 116 119 120 122 123 126 128 P0 0 P0 4 P1 0 ...

Page 34: ... 34 Model No LCT 26CHSTP doc Version 1 0 UOC Block Diagram CHAPTER THREE SIGNAL FLOW ANALYSIS AND KEY POINT MEASURE DATA ...

Page 35: ...nput signals via AV port and two way SCART ports then again sent into GM1601 GM1501 to do format transform the output up screen is used for submenu display The alternative PC HDTV YPBPR and DVI signals are sent directly into GM1601 GM1501 for processing to form uniform up screen signal Accompanying Sound Flow What input sound signal would be sent into UOC for demodulation and sound disposal after ...

Page 36: ...e 6th PIN UP6 LM2596 5 0 U502 LM2596 5 0 UP7 LM1117 1 8 JP3 the 9th PIN parent sub TUNER UA3 the 16th PIN UA1 the 14th PIN U503 LM1084IS 3 3 U504 LM1117 1 8 U505 LM1117 2 5 U506 LM1117 3 3 U201 UOCIII 100 11 7 124 15 3 118 96 93 47 82 PIN U400 TDA8759 13 64 21 29 37 43 138 3 139 145 151 157 123 PIN U402 SAA7115 1 25 51 75 33 43 58 68 93 8 83 PIN U700 GM1601 U305 the 2nd PIN CN70 the 4th PIN CN70 t...

Page 37: ...M1117 3 3 0 3 3 5 3 3 U3 78M08 12 0 8 U403 LM1117 1 8V 0 1 8 5 1 8 U503 LM1806 3 3 0 3 3 5 3 3 U505 LM1117 2 5 0 2 5 5 2 5 U506 LM1117 3 3 0 3 3 5 3 3 U501 LM2596 5 0 12 5 0 5 U502 LM2596 5 0 24 5 0 5 0 U504 LM1117 1 8V 0 1 8 5 1 8 JP1 4 5 PIN U508 IRF7134 U403 LM1117 1 8 U405 LM1117 3 3 U309 NLAS4052 the 16th PIN U305 SM5301 18 22 26 PIN U400 TDA8759 11 87 16 30 32 58 PIN U400 TDA8759 88 48 54 61...

Page 38: ... 38 Model No LCT 26CHSTP doc Version 1 0 Main Components and Socket Locations and Definitions ...

Page 39: ...ply board GND GND GND 12V 12V 12V 11 J171 Prepare to use 13 JP11 Power supply board 12V 12V GND GND GND GND 24V 24V 14 JP1 Power supply board SB GND GND 5V 5V 5V GND GND 12V 12V 15 J700 Prepare to use 16 CN702 Prepare to use 17 CN700 Remote control 18 CN701 K board 19 CN304 Prepare to use 20 CN303 Prepare to use 21 JP701 Display 22 CN306 Prepare to use 23 AVP303 DVI audio input 24 CN300 DVI port 2...

Page 40: ...r memorizer E U700 GM1601 GM1501 BD Video processor F U305 SM5302AS G ET HD signal filter G U801 AM29LV800DT 70EC Flash the TV control procedure put in it H U6 TPA3002D2PHPR Audio PA I U5 TDA9178T N1 Video signal image improve J K202 K9656M Sound surface filter K K201 K3953M Sound surface filter L UA3 FSAV330QSCX Select switch M U701 24LC32A T SN Buffer N U307 FSAV330QSCX Select switch O U306 FSAV...

Page 41: ...trations RF input color stripe signal TV signal undulance in the 19th pin of sub tuner UT1 The undulance of the 10th of SAA7115 also like this RF input color stripe signal the Pin85 Pin86 Pin87 of U201 output R G B signal undulance the E pole undulance of Q171 Q172 Q173 ...

Page 42: ...or stripe signal I C bus clock signal UOCIII_SCL the undulance of the 98th pin of U201 the 11th pin of U5 the 4th pin of parent sub RF tuner RF input color stripe signal UOC vertical sync signal the undulance of the 22th pin of U201 the 105th pin of U400 ...

Page 43: ... 43 Model No LCT 26CHSTP doc Version 1 0 RF input color stripe signal UOC vertical sync signal the undulance of the 22th pin of U201 the 105th pin of U400 ...

Page 44: ...STP doc Version 1 0 RF input gray ladder signal the TV signal undulance in the 19th pin of SAA7115 The 1KHz sound signal input the undulance of the 60th 61th pin of U201 the undulance of the 2th 6th pin of U6 also like this ...

Page 45: ...pe PIN1 V PIN2 V PIN3 V PIN4 V PIN5 V UP7 LM1117 1 8V 0 1 8 5 1 8 UP1 LM1117 3 3V 0 3 3 5 3 3 UP6 LM2596 5 0 24 5 0 5 0 U405 LM1117 3 3 0 3 3 5 3 3 U3 78M08 12 0 8 U403 LM1117 1 8V 0 1 8 5 1 8 U503 LM1806 3 3 0 3 3 5 3 3 U505 LM1117 2 5 0 2 5 5 2 5 U506 LM1117 3 3 0 3 3 5 3 3 U501 LM2596 5 0 12 5 0 5 U502 LM2596 5 0 24 5 0 5 0 U504 LM1117 1 8V 0 1 8 5 1 8 ...

Page 46: ...te from DDC Display Data Channel when turning on the TV DDC is in chassis 24LC21 No picture but sound on LOGO when turning on the TV poor light is bright Check the connect line in up screen and connect the line No picture no sound no snowflake in TV condition but AV is normal Check the outside of RF also bus and power supply there is no problem but no output from RF so the RF is disabled LCD TV ca...

Page 47: ...ase 8807000130J JUJ8 070 013 0 1 6 Main board assembly 8669000353J JUJ6 690 035 3 PCB JUJ7 820 088 1 7 AV board assembly 8669300150J JUJ6 693 015 PCB JUJ7 820 103 0 5 8 TV board assembly 8669700040J JUJ6 697 004 PCB JUJ7 820 128 1 9 Remote receive board assembly 8669400180J JUJ6 694 018 PCB JUJ7 820 104 0 5 10 Key press board assembly 8669400190J JUJ6 694 019 PCB JUJ7 820 091 0 5 11 Inside power s...

Page 48: ...9700040 J JUJ6 697 004 PCB JUJ7 820 128 1 7 Remote receive board assembly 8669400200 J JUJ6 694 020 PCB JUJ7 820 104 0 5 8 Key press board assembly 8669400240 J JUJ6 694 024 PCB JUJ7 820 091 0 5 15 Inside power supply module 6821370010 5 LC370W01 0 1 16 LCD display screen 8864000150 J JUJ8 640 015 0 1 17 Electron tuner 8289100063 E TMI4 C22P2RW 1 18 Electron tuner 8289100454 E TAD5 C2IP1RW 1 19 El...

Page 49: ...er into factory mode menu After entering into factory mode menu sign of the factory menu M will appear Factory menu and setup Factory menu display is below M Index 1 HWUC_BRI 0x1F The M denotes entering into factory mode now the figures of index denotes the index number now the HWUC_BRI denotes the name of adjusting item now the 0X1F denotes the numerical value Each adjusting item have only one in...

Page 50: ...e of Signal is TV 11 White Balance White balance V ok 12 Auto Color Auto color revise V ok Source of Signal VGA YPbPr TV 13 DVD DVD preset V V 1 represent preset 14 BBE BBE preset V V 1 represent preset 15 TruSurround TruSurround preset V V 1 represent preset 16 SALESFOR SALESFOR V V Set sell country 17 Factory Out initialization V ok Leave factory set 18 ClearEEProm initialize EEPRom V ok Initial...

Page 51: ...uto color revise first before factory debug Revise in TV YPBPR and PC respectively Requisite Meters PC one HD signal source one Debug Revise in TV YPBPR and PC respectively Park the channel in C 3 under TV mode then do AutoColor Input color stripe signal in YPbPr and do AutoColor Input window signal in PC the window is white with black signal around The result will appear on screen after AutoColor...

Page 52: ... then fix the video output range of white balance adjust frock until all the LCD TV are adjusted Enter into white balance adjusting item of factory mode change R G B value try best to adjust this 3 value to maximum Make color temperature coordinates value same to this table below Error limitation 4 X Y K12000 0 270 0 277 Note After color temperature and color coordinates meet the above requirement...

Page 53: ...REEN RX1 RX0 RED RXC RX2 RX2 RXC RX0 DVI_SCL VGA_CAB DVI_SDA VGA_SCL SOG AVS AHS RGB YPbPr_SEL PWM3 Scart2_CIn Scart2_VideoIn Video1_C_IN Video1_Y_IN SubchannelTV Scart1VideoIN Set_tristate2 Set_tristate1 ChannelSel2 ChannelSel1 Sel_HsVs Yout PRout PBout AudioSelADDA AudioSelADDB Teltext_MUTE IRDATA Communication ls08 Graphics_Components In 04 ls08 Graphics_Components In 04 Ypbpr RGB_EN HV_SEL Ypb...

Page 54: ...DQ20 37 DQ21 39 DQ22 40 DQ23 42 DQ24 45 DQ25 47 DQ26 48 DQ27 50 DQ28 51 DQ29 53 DQ30 54 DQ31 56 DQM0 16 DQM1 71 DQM2 28 DQM3 59 VDDQ 55 VDDQ 75 VDDQ 81 VDD 43 VSSQ 52 VSSQ 78 VSSQ 84 VSS 44 U601 MT48LC2M32B2TG 5 C608 0 1uF R603 150 140 C622 0 1uF CKE 53 CLK 55 CS 28 CAS 26 RAS 27 WE 25 DM0 23 DM1 56 DM2 24 DM3 57 A0 31 A1 32 A2 33 A3 34 A4 47 A5 48 A6 49 A7 50 A8 AP 51 A9 45 A10 36 BA0 29 BA1 30 D...

Page 55: ...al interface debug 15 LOW 18 HIGH 12 LOW 10 LOW Use TCLK 14 LOW BOOTSTRAP HEADER OPEN 1 SHUNTED 0 16 HIGH use crystal 8 bit_flash1 8 bit_flash3 INT_OSC 8 BIT_FLASH2 Custom1 Custom2 Serial Interface Debug1 Serial Interface Debug2 Serial Interface Debug3 OCMADDR 0 19 OCMDATA 0 7 1 2 3 4 5 6 7 8 RN800 10k 1 2 3 4 5 6 7 8 RN800A 10KX4 1 2 3 4 5 6 7 8 RN801 10K 1 2 3 4 5 6 7 8 RN801A 10K A20 NC 10 A19 ...

Page 56: ...PLL 3 3V_DIG 1 8V_DVI GND 5V GND Panel_Power 3 3V_SW GND GND GND 5V_ANG 3 3V_LVDS 3 3V_LVDSA 3 3V_I O_BGA 3 3V_ADC 3 3V_LVDSB 3 3V_ADC 3 3V_LBADC 5V_SW 3 3V_ADC 3 3V_ADC 3 3V_ADC 1 8V 3 3V_ADC 3 3V_ADC 3 3V Leave 1sq inch exposed copper area attached to Tab of U903 Leave 1sq inch exposed copper area attached to Tab of U905 Leave room for heat sink Leave 1sq inch exposed copper area attached to Tab...

Page 57: ...RU4 ITRU5 ITRU6 ITRU7 ITRU 0 7 ITRU 0 7 TCK 98 TMS 99 TDI 3 TRSN 97 TDO 2 VDDA0 23 VDDA1 17 VDDA2 11 VDDE 1 VDDE 25 VDDE 51 VDDE 75 VDDI 33 VDDI 43 VDDI 58 VDDI 68 VDDI 83 VDDI 93 VXDD 8 HPD0 72 HPD1 71 HPD2 70 HPD3 69 HPD4 67 HPD5 66 HPD6 65 HPD7 64 TEST3 77 TEST4 78 TEST5 79 SCL 31 SDA 32 AOUT 22 SAA7115HL AI24 10 AI23 12 AI22 14 AI21 16 AI2D 13 AI12 18 AI11 20 AI1D 19 CE 27 VSSA0 24 VSSA2 9 VSS...

Page 58: ...GND T14 D_GND K15 D_GND N15 D_GND T15 D_GND M16 D_GND N16 D_GND R16 D_GND R12 D_GND K13 D_GND P13 D_GND U13 D_GND M14 D_GND R14 FS_2 5 H23 FS_2 5 J23 FS_2 5 M23 FS_2 5 P23 FS_2 5 L23 FS_2 5 T23 FS_2 5 V23 FS_2 5 R23 FS_2 5 Y23 FS_2 5 AA23 FS_2 5 AB23 FS_2 5 AC23 FS_2 5 W23 FS_2 5 F23 D_GND P11 D_GND M10 D_GND M17 D_GND P17 D_GND R17 D_GND P10 D_GND L17 LVDSB_3 3 AC12 LVDSB_3 3 AD12 LVDSB_3 3 AD13 ...

Page 59: ...lSel2 ChannelSel1 COMB 3 NO0B 1 GND 8 NO3B 4 VEE 7 NO2B 5 Inhibit 6 NO1B 2 ADDA 9 ADDB 10 NO3A 11 NO0A 12 COMA 13 NO2A 14 NO1A 15 VCC 16 U308 NLAS4052 Teltext_HS Teltext_VS GND Sel_HsVs Low Select VGA HS VS High Select TeltextHSVS AudioSelADDA AudioSelADDB R364 100 R345 100 R346 100 R347 100 R348 100 C335 0 1uF C334 10uF 16V VGA_5V DVI_5V 5V_ANG L300 22uH 0 5A 1R C347 10uF 16V 1 2 3 D301 BAV99L 1 ...

Page 60: ...0nF C247 0 1uF C217 0 1uF C223 0 1uF C220 10V47uF R217 1K L209 10uH R235 100 C256 0 1uF C260 0 1uF C252 2 2uF R236 100 L204 10uH C224 0 1uF L210 10uH C230 10V47uF C225 0 1uF C279 10V10uF C280 0 1uF C278 0 1uF L216 10uH R213 47K C240 50V220nF C241 2 2uF C236 2 2uF C281 22pF C282 22pF C264 0 1uF C266 10V100uF C261 0 1uF R205 100 C232 10V10uF L201 10uH C204 0 1uF R202 10K C211 0 1uF C203 0 1uF C242 2...

Page 61: ...II_SDA UOCIII_SCL UOC_SW1 UOC_SW2 MM_SCL MM_SDA 1 2 3 4 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 49 50 JP5 SDA 7166102050 UOCIII_SDA UOCIII_SCL 5VB AVS2 SC2_RIN AVS1 FBLIN1 12V_dc SC1_BIN SC1_GIN SC1_RIN SC2_LIN SC2_LIN AVS2 Scart2_CIn Scart2_CIn Scart2_VideoIn Scart2_VideoIn Tuner_IF AGC Y_YPBPR B_YPBPR R_YPBPR ...

Page 62: ...n LA1 33uH CA25 0 1uF CA24 0 1uF CA38 10n LA2 33uH 1 2 JP7 CON2 LA4 33uH CA28 0 1uF CA26 0 1uF LA3 33uH 1 2 JP8 CON2 CA35 0 1u CA55 0 1u CA37 220uF 16V CA33 0 1u 12V_AUDIO 12V_AUDIO 12V_AUDIO 12V_AUDIO MOL MOR CA42 0 47uF CA43 0 47uF MUTE MUTE 12V_AUDIO 5VE BYP 1 GND 2 SD 3 IN2 4 VO2 5 AVDD 6 VO1 7 IN1 8 UE1 TPA6110A2 RE3 10K CE2 1u RE4 10K RE1 10K CE1 1u RE2 10K CE3 0 47u 5VE RE5 10K RE6 10K CE4 ...

Page 63: ... panel supply For GM1601 Board supply 5V_4A 1 2 3 4 5 6 7 8 J171 NC State SDA IRDATA SCL CP13 470uF CP4 0 1uF Backlight_on_off Backlight_on_off DVD_On Off IRDATA SCL State SDA RP2 22k RP6 nc RP5 nc 5VB GND 1 OUT 2 VIN 3 4 4 UP7 LM1117 1 8V CP23 0 1uF GND V1_8ANA GND 5VB CP20 0 1uF GND CP22 47uF GND P_CHANNEL V1 8CONTROL V1_8V1 S1 1 G1 2 S2 3 G2 4 D1 8 D1 7 D2 6 D2 5 UP3 IRF7134 RA53 0 27 0 5W 12V_...

Page 64: ...B 1 0 COMA NO2A COMB NO2B Inhabit 1 All output is open 1B2 3 SEL 1 GND 8 1A 4 2A 7 2B1 5 2B2 6 VCC 16 1B1 2 OE 15 4B1 14 4B2 13 3A 9 3B2 10 3B1 11 4A 12 U2 FSAV330M Scart1_R Scart1_G Scart1_B FBLIN1 FB_IN1 G_IN1 R_IN1 B_IN1 Teltext_R Teltext_G Teltext_B FB_TXT TXT_Video TXT_Video TXT_Video RA28 68 SCART_TXT_SEL C2 10uF 16V Scart1VideoIN SCARTVideo1 TXT_Video RA25 0 TXT_or_Video1_SEL H Video1 Y L T...

Page 65: ...GC SubchannelTV Scart2_VideoIn Scart2_CIn Scart2_VideoIn AVS2 SC2_RIN SC2_LIN SC1_BIN SC1_GIN SC1_RIN Y_YPBPR B_YPBPR R_YPBPR YPbPr_L YPbPr_R SC1_Raudio SC1_Laudio AVOUT Scart1VideoIN AVS1 FBLIN1 SCOL SCOR 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 J400B 50PIN_12 SCOL SCOR RA440 12k RA444 6 8k RA439 12k RA443 6 8k 12V_dc CA431 470uF CA428 0 1uF RA447 1k RA448 1k CA4...

Page 66: ...66 Control Board Module Power Supply Module Main Board Module TV Board Module Remote Control Power Switch Power Line Filter Side AV Board Module Model No LCT 37CHSTP doc Version 1 0 ...

Page 67: ...TFT panel first Then fasten it using chassis module 4 Check each key flexible or not switch reliable or not not permit block phenomenon to appear If has no problem assemble back cover module 5 After finish unit assembly fix protect corner cushion on the four corner of front frame using blue adhensive tape 6 After unit is passed examination paste certification DVD label and fragile label on the sur...

Page 68: ...NO PART NAME 1 Chassis module 2 Front frame module 3 Back cover module 4 Pedestal module 5 Plug with line 6 Power bracket 11 Power filter 12 Screw M3x6 13 Screw M3x8 14 Screw M3x8 15 Screw M4x8 16 Screw M4x20 17 Screw M3x10 18 Screw M3x12 19 Screw 6x16 ...

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