[2]DIMENSIONS LC-32SV40U Wall Mounting Screw type VESA compatible wall-bracket TV screen size (Inchs) (millimeters) ( W x H) 32"(LC-32SV40U) 200X200mm Metric 6x12mm...
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LC-42SV50U wall mounting VESA-compatible wall bracket TV screen size (Inches) Screw type (millimeters)(W*H) 42'' 200*200mm Metric 8*22mm...
CHAPTER2. Removing of Major Parts LC-32SV40U 1.Assy/PanelRemoval Notes: Please put your machine on soft material to avoid to scrape panel when you disassemble it. Front view Fig.1 Back view Fig.2 Step 1. Remove the Base Assy. 1. Remove the base as Fig.3.
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Fig.3 Step 2. Remove the REAR COVER Assy. 1. Remove the 13 screws,around the REAR COVER as Fig.4. Fig.4 2. Remove the 2 screws at the IO area as Fig.5.
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Fig.5 3. Remove the 3 screws to release AC cable as Fig.6 .Fig.7 Fig.6 Fig.7 Step 3. Remove the Main, Power ,IR board , Key Pad ASSY, and the Speakers.
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Fig.8 1. Remove the 4 screws and disconnect 4 cables .Detach the Main board ASSY as Fig.9...
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Fig.9 2. Remove the 5screws and 2 Cables. Detach the Power board as Fig.10.
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Fig.10 3. .Detach the IR board as Fig.11. Fig.11...
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4. Detach the Key Pad ASSY as Fig.12. Pull Fig.12 5. Detach the Speakers as Fig.13. Fig.14. Fig.13 Fig.14...
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Step 4. Remove TOP VESA,VESA PLATE,AND BASE SUPPORT,. 1.Remove the 6 screws. Detach the TOP VESA and VESA PLATE as Fig.15 Fig.15 2.Remove the 4 screws. Detach the BASE SUPPORT as Fig.16 Fig.16 Step 5. Remove PANEL module. Remove the 2 screws at the bottom side of panel as Fig.17. Fig.17...
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LC-42SV50U 1. Assy/Panel Removal Notes: Please put your machine on soft material to avoid to scrape panel when you disassemble it. Front view Fig.1 Back view Fig.2 Step 1. Remove the Base Assy. 2. Remove the base as Fig.3. Remove the 8 screws as Fig.3 and pull out the base. Fig.3...
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Step 2. Remove the REAR COVER Assy. 1. Remove the 18 screws,around the REAR COVER as Fig.4. Fig.4 2. Remove the 2 screws at the IO area as Fig.5. Fig.5...
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3. Remove the 3 screws to release AC cable as Fig.6 .Fig.7 Fig.6 Fig.7 Step 3. Remove the Main, Power ,IR board , Key Pad ASSY, and the Speakers. Fig.8...
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1. Remove the 12 screws and disconnect 4 cables .Detach the Main board ASSY as Fig.9 Fig.9 2. Remove the 6screws and 2 Cables. Detach the Power board as Fig.10. Fig.10...
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3. Detach the IR board as Fig.11. Fig.11 4. Remove the 2screws ,Detach the Key Pad ASSY as Fig.12. Fig.12...
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5. Detach the Speakers as Fig.13. Fig.14. Fig.13 Fig.14 Step 4. Remove BASE SUPPORT. Remove the 6 screws. Detach the BASE SUPPORT as Fig.15...
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Fig.15 Step 5. Remove PANEL module. 1. Remove the 4 screws at the left and right side of panel as Fig.16, Fig.17 Fig.16 Fig.17 2. Remove the 2 screws at the bottom side of panel as Fig.18. Fig.18...
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LC-46SV50U 1.Assy/PanelRemoval Notes: Please put your machine on soft material to avoid to scrape panel when you disassemble it. Front view Fig.1 Back view Fig.2 Step 1. Remove the Base Assy. 3. Remove the base as Fig.3. Remove the 4 screws as Fig.3-1 and pull out the base.
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Fig.3-1 2. Remove stand support from stand cover and stand bracket after loose the four screws Fig.3-2 Step 2. Remove the REAR COVER Assy. 1. Remove the 12screws,around the REAR COVER as Fig.4.
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Fig.4 2. Remove the 3 screws to release AC cable as Fig.5 .Fig.6 Fig.5 Fig.6 3. Remove the 2 screws to release REAR COVER VESA as Fig.7 Fig.7...
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4. Remove the 2 screws at the IO area as Fig.8. Fig.8 Step 3. Remove the Main, Power ,IR board , Key Pad ASSY, and the Speakers. Fig.9 1. Remove the 12 screws and disconnect 4 cables .Detach the Main board ASSY as Fig.10...
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Fig.10 2. Remove the 6screws and 2 Cables. Detach the Power board as Fig.11. Fig.11...
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3. Detach the IR board as Fig.12. Fig.12 3. Detach the Key Pad ASSY as Fig.13. Pull Fig.13 5. Detach the Speakers as Fig.14. Fig.15.
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Fig.14 Fig.15 Step 4. Remove BASE SUPPORT. Remove the 6 screws. Detach the BASE SUPPORT as Fig.16 Fig.16 Step 5. Remove PANEL module. 1. Remove the 2 screws at the bottom side of panel as Fig.17.
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Fig.17 4. Remove the 2 screws at the upside of panel as Fig.18. Fig.18...
CHAPTER 3. ADJUSTMENT PROCEDURE [1]ADJUSTMENT PROCEDURE 1. Main Menu (The default value is marked in red) Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Picture Settings AV Mode User/ Standard/ Movie/ Game/ PC/ Dynamic/ Dynamic(Fixed) Off/ On Disable when AV Backlight...
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Reset Yes/No (Only reset currect AV mode settings.) Power Control No Signal Off Enable/ Disable Power Saving Off/ On Disable when AV mode is Dynamic(Fix ed). System Options View Option View Mode Freeze Change Audio Mono/ Stereo/ Audio English/ Language Spanish/ French Change CC Analog Closed...
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HDMI+Analog HDMI Setup HDMI Mode Auto/ Graphic/ (For HDMI only) Video Speaker On/ Off Caption setup Caption Style Default/ (For TV & AV Custom only) Caption Size Small/ Standard/ Large Foreground Color Black/ White/ Green/ Blue/ Red/ Cyan/ Yellow/ Magenta Foreground Opacity Solid/ Translucent/ Transparent...
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Favorite CH All Data Clear Yes/No Language English/ Español/ Français Individaul Secret No. New Secret Setup (Input Secret Confirm No.) Secret No. (For TV & AV Parental CTRL V-Chip MPAA G/ PG/ only) PG-13/ R/ NC-17/ X/ NONE TV Guidelines TV-Y/ TV-Y7/ TV-G/...
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2. Display adjustment Only adjust HDMI Mode and copy to all of input source General set-up: Equipment Requirements: Minolta CA-210 or Equivalent Color analyzer or equivalent instrument. Input Signal Type: 1. Internal full white pattern. 2. Select Picture mode to Standard mode and check the x, y data. HDMI cable Input Injection Point: Alignment method:...
TV set. 3. Luminance > =360 cd/m in the center of the screen when Brightness control at 100, Contrast control at 100, Backlight control at 100.(LC-32SV40U& LC-46SV50U,Test Color mode: Standard) 4. Luminance > =320 cd/m in the center of the screen when Brightness control at 100, Contrast control at 100, Backlight control at 100.(only LC-42SV50U,Test...
[3] SOFTWARE UPGRADE PROCEDURE 1. Connect to TV USB port to upgrade the software firmware Please follow the following steps to upgrade the firmware. Turn on TV. Press Menu, select Information/Identification to check "Version" III. Copy the correct software firmware (*.pkg) to USB disk. Ex: Version: V2.00, copy NAS2_89.pkg to USB disk.
CHAPTER 4.TROUBLESHOOTING TABLE [1]TROUBLE SHOOTING TABLE The sound is not emitted from the speaker though the picture has come out. No sound output in all models? TEREMINAL TEREMINAL Is the audio signal output of pin (96) (AOSDATA0), pin (95) (AOBCK), pin (94) Check IC U2102 and its peripheral circuits.
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No sound (during the reception of TV broadcasting) Does not the sound go out though the picture has come out when UHF/VHF is received? MAIN UNIT: Is the DIF signal output from pin (10) and pin (11) of TUNER Check the tuner and its peripheral circuits. Replace as required. (TU9101)? Is the DIF signal sent to pin (58) and pin (59) of IC U2102? Check IC U2102 its peripheral circuits.
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No sound from external input devices (1) Does not the sound of the audio signal input to input (Component) go out? MAIN UNIT: Is the audio signal properly sent to pin (8) and pin (10) of Check the connection to CN1202 and the external input device. CN1202? Is the audio signal properly sent to pin (68) Check the line between CN1202 and IC U2102.
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No sound from external input devices (2) Does not the sound of the audio signal input to VGA go out? MAIN UNIT: Is the audio signal properly sent to pin (3) and pin (2) of Check the connection to CN1102 and the external input device. CN1102? Is the audio signal properly sent to pin (67) Check the line between CN1102 and IC U2102.
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No sound from external input devices (3) Does not the sound of the audio signal input to USB go out? Is USB stick audio format correct? Change to correct mp3 format MAIN Is the USB +5V Q7105 sent to pin (1) of CN1104? Check the connection to Q7105 and the external input device.
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The audio signal is not output No audio signal output from Headphone terminal (CN6201). Terminal Is audio signal output from pin (12) (OUTL) and pin (3) (OUTR) Check the connection to HPOL(R) OUT and external devices. of IC U6201 to Jack (CN6201)? Is the audio signal output from IC U2102 pin (74) (AL1O) and Check the line between IC U2102 and IC U6201.
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The audio signal is not output No audio signal output from SPDIF terminal (CN6202). Terminal Is input source on HDMI? The SPDIF out not support HDMI Change input source to others (AV, TV, etc.). source. Is the audio signal output from IC U2102 pin (92) (ASPDIF) Check the line between IC U2102 and CN6202.
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No picture on the display (1) The picture doesn't appear in all modes. Main UNIT: Check LVDS signal output from IC U2102 or not? 32" : (O0N/O0p), (O1N/O1P),(O2N/O2P),(O3N/O3P),(OCKN/OCKP) 42" : (O0N/O0p),(O1N/O1P),(O2N/O2P),(O3N/O3P),(OCKN/OCKP), (E0N/E0p), (E1N/E1P), (E2N/E2P), (E3N/E3P), (ECKN/ECKP) Check IC U2102 and its peripheral control circuits. Check signal Check relative components are ok or not.
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No picture on the display (2) Does not the picture come out when VHF/UHF is received? Main UNIT: Check +5V_tuner/VCCK/DDRV/AV33/DV33/+3V3SB is applied to Check each power IC and peripheral components are Tuner and U2102 or not. correct or not. Is the DIF signal output from pin (10) and pin (11) of TUNER Check the tuner and its peripheral circuits.
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<External input Input(Side HDMI)>No picture on the display (3) Does not the picture display when HDMI cable plugged into HDMI1 ? Terminal Check the line between pin (78) of IC U2102 and Is the HOT_PLUG detection function of pin (19) of CN8103.
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<External input Input(Rear_HDMI2)>No picture on the display (4) Does not the picture display when HDMI cable plugged into HDMI 2 ? Terminal Check the line between pin (7) of IC U2102 and Is the HOT_PLUG detection function of pin (19) of CN8101 a HDMI terminal (CN8101) normal? Check the connection and setup with the...
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<External input Input(Rear HDMI3)>No picture on the display (5) Does not the picture display when HDMI cable plugged into HDMI 3? Terminal Check the line between pin (1) of IC U2102 and Is the HOT_PLUG detection function of pin (19) of CN8102.
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<External input USB>No picture on the display (6) Does not the picture display when USB cable plugged into USB port? Change to correct .jpg or .jpeg or .png or .bmp Is USB stick video format correct? format Main UNIT: Check the fuse F1101 and the external input Is the USB +5V sent to pin (1) of CN1104? device.
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<External input Input(Component)>No picture on the display (7) Does not the picture display when RCA cable plugged into component ? Terminal Is Component Y/Pb/Pr signal sent to pin (2)/Y, Check the setting of an external input device that (4)/Pb, (6)/Pr of CN1202? connects of CN1202 Main UNIT: Is Component Y/Pb/Pr signal sent to pin (34)/Y1p,...
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<External input D-SUB>No picture on the display (8) Does not the picture display when VGA cable plugged into D-SUB ? Set the timing which TV is support Is Video format correct Terminal Is R/G/B/H/V signal sent to pin (1)/RED, (2)/Green, Check the setting of an external input device that (3)/BLUE, (14)/H sync#, (13)/V sync# of VGA connects of CN1101...
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LC-32SV40U Power unit operation check Are the power cord and harness in the Power cord and harness in the unit unit connected If F101 and F102 normal? Line filter unit? LX101 ,LX102 or RT101 is out of order? Does BD101 output 169V when...
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LC-42SV50U/ LC-46SV50U Power unit operation check Are the power cord and harness in the Power cord and harness in the unit unit connected If F101 and F102 normal? Line filter unit? LX101 ,LX102 or RT101 is out of order? Does BD101 output 169V when Change a new full-wave rectifier AC input 120V? diode to check the output voltage.
CHAPTER 5. MAJOR IC INFORMATIONS [1]MAJOR IC INFORMATIONS 1.1. U2102 (MT5389) The MediaTek MT5389FUNU family consists of a DTV front-end demodulator, a backend decoder and a TV controller and offers high integration for advanced applications. It combines a transport de-multiplexer, a high definition video decoder, an audio decoder, a dual-link LVDS transmitter, a mini-LVDS transmitter (option), an EPI transmitter (option) and an NTSC/PAL/SECAM TV decoder with a 3D comb filter (NTSC/PAL).
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11. LVDS, mini-LVDS (option), EPI (option) 1.2. U3101 ( NT5CB64M16DP Description The 1Gb Double-Data-Rate-3 (DDR3/L) B-die DRAMs is double data rate architecture to achieve high-speed operation. It is internally configured as an eight bank DRAM. The 1Gb chip is organized as 16Mbit x 8 I/Os x 8 banks or 8Mbit x 16 I/Os x 8 bank devices. These synchronous devices achieve high speed double-data-rate transfer rates of up to 1866 Mb/sec/pin for general applications.
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・Max. Continuous Output 15W ×2ch (V =15V, R =8Ω, Ta=70 ºC, 4-layer Board) ×2ch (V =12V, R =8Ω, Ta=70 ºC, 4-layer Board) ×2ch (V =12V, R =6Ω, Ta=70 ºC, 4-layer Board) *TBD ・Distortion Ratio (THD+N) 0.05% (V =12V, R =8Ω, Po=4.5W, 1kHz) ・Residual Noise 50µVrms (V =12V, R =8Ω, A-Weighted Filter)
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Disables Drivers for Power Savings Description The TRS3221E is a single driver, single receiver RS-232 solution operating from a single VCC supply. The RS-232 pins provide IEC G1000-4-2 ESD protection. The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector.
There are 3 output in the power parts, one is interface board including USB and TV tuner et; the other is inverter board and audio circuit.+24V output is inverter part.the system block diagram as below; the last is panel Vcc and audio, the power is 12V. LC-32SV40U LC-42SV50U (fig.1) LC-46SV50U (fig.1)
[2]POWER SCHEMATIC DIAGRAM- POWER BOARD WITH TOP/BOTTOM VIEW Top Layer LC-32SV40U/LC-42SV50U/LC-46SV50U Bottom Layer LC-32SV40U/LC-42SV50U/LC-46SV50U...
CHAPTER 8.SCHEMATIC DIAGRAM [1]MAIN SCHEMATIC DIAGRAM (LC-32SV40U & LC-42SV50U & LC-46SV50U) 01 System POWER PW ON/OFF +5VSB CN7102 +5.3V HI => POWER ON TP7111 TP PAD 1.60 TP7112 TP PAD 1.60 LO => POWER TP7110 TP7113 TP PAD 1.60 TP PAD 1.60 Backlight control TP7114 TP PAD 1.60...
[2]POWER SCHEMATIC DIAGRAM POWER SCHEMATIC DIAGRAM FOR(LC-32SV40U) AC Input and EMI Filter:(fig.9) Fig.9 CN101 is a connector for connecting AC Power. F101&F102 are fuse to protect all the circuit AC. Input voltage is single 120V. CY101, CY102, CY103, CY104, CY105, CY106 are used high frequency noise of primary between common GND.LX101,LX102,CX101, CX102 is used to filter...
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Fig.6 BD101 is a rectifier in which there are 4 build-in diodes, inverting AC to DC. CP111 is used to smooth the wave from rectifier. FR101, and FR201 is a fuse resistor to protect the following circuit when inrush current is too large. UP101 is a current-mode PWM controller with excellent power-saving operation, the number of external components and drastically simplifies the PFC implementation .It also integrates high safety protection features that make the FAN6961SZ a driver for robust and compact PFC stages.
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the gate drive signal , the high-voltage current source is then disabled ,and the Vcc supply current is provided from the auxiliary winding of the transformer PIN8. US101 Pin1 is protection PIN.RS105, RS105 are sense circuit, STR-A6069H detects the MOSFET current, from the S/OCP in.When S/OCP pin over 0.9V, theUS101 will enter auto-recovery type protection, Presenting a hiccup mode.
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POWER SCHEMATIC DIAGRAM FOR(LC-42SV50U/LC-46SV50U) 2) AC Input and EMI Filter:(fig.7) Fig.7 CN101 is a connector for connecting AC Power. F101&F102 are fuse to protect all the circuit AC. Input voltage is single 120V. CY101, CY102, CY103, CY104, CY105, CY106 are used high frequency noise of primary between common GND.LX101,LX102,CX101, CX102 is used to filter low frequency noise.
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Fig.6 BD101 is a rectifier in which there are 4 build-in diodes, inverting AC to DC. CP111 is used to smooth the wave from rectifier. FR101, and FR201 is a fuse resistor to protect the following circuit when inrush current is too large. UP101 is a current-mode PWM controller with excellent power-saving operation, the number of external components and drastically simplifies the PFC implementation .It also integrates high safety protection features that make the SSC2012 a driver for robust and compact PFC stages.
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When QL101 & QL102 is turned on, the main current flow will be consumed through DL101, DL102, RL108 RL109, RL110,RL113,RL111 and RL114, This will prevent QL101 & QL102 from being damaged under large current impulse and voltage spike. [3]KEY SCHEMATIC DIAGRAM (LC-32SV40U& LC-42SV50U& LC-46SV50U)