LC-30HV2E SERVICE MANUAL LCD TV LC-30HV2E MODEL In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used. CONTENTS Page Page »...
LC-30HV2E IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be perfomed only by qualified service technicians who are thor- oughly familiar with all safety checks and the servicing guidelines which follow: » Use an AC voltmeter having with 5000 ohm per volt,...
(“AA” size, UM/SUM-3) Alkaline battery ( 2) • As a part of policy of continuous impr ovement, SHARP reserves the right to make design and specification changes for product impr ovement without prior notice. The per formance specification figur es indicated ar e nominal values of production...
LC-30HV2E REMOVING OF MAJOR PARTS AVC System 1. Remove the six lock screws from the back of the top cabinet. Slide the top cabinet backward and detach it. 2. Remove the three lock screws from the front panel. Undo the three hooks at the top and the four hooks at the bottom, and detach the front panel.
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LC-30HV2E 8. Remove the AV unit. 8-1. Remove the six lock screws from the AV unit. 8-2. Remove the six lock screws from the AV unit and detach this unit. 9. Remove the EMC unit assemblies. 9-1. Remove the two lock screws from the EMC unit bracket.
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LC-30HV2E LCD Display 1. Take off bottom terminal cover. 2. Take off the speaker by removing 4 screws and disconnecting speaker terminals. 3. Take off the table stand by removing 6 screws. 4. Take off the rear cabinet by removing 20 screws and releasing the front cabinet's 6 hooks.
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LC-30HV2E 9. Take off the LED PWB by detaching one connector and removing 2 screws. 10.Take off the speaker (L) PWB by detaching one connector and removing one screw. 11. Take off the speaker (R) PWB by detaching one connector and removing one screw.
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LC-30HV2E 17.Take off the inverter GND PWB by removing 3 screws. 20.Take off the power PWB by removing 6 screws. Remove insulation sheet. 21.Take off the inverter 1 PWB by removing 3 screws. 22.Take off the inverter 2 PWB by removing 3 screws 23.Take off the 4 reinforcement angles by removing 2 screws from each angle.
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LC-30HV2E 26.Take off the LCD panel with panel shield by removing 4 screws. 27.Take off D-BEF sheet, prism sheet and diffusion sheet. Take off ITO sheet and diffusion panel by removing 2 screws. 28.Take off the panel shield by removing 6 screws and 2 in the center.
LC-30HV2E ADJUSTMENT PROCEDURES Ë Procedure for turning ON the power 1. Connecting the system » Using the system cable, connect the LCD Display Unit and the AVC System. » Connect the LCD Display Unit to the AC power source. » Connect the AVC System to the AC power source.
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LC-30HV2E Ë Procedure for adjusting each part of AVC System and LCD Display » The adjustments were made to the best settings at factory. If any setting deviates or if any readjustment is regarded as necessary when any part is replaced, perform the following steps.
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LC-30HV2E 5) Resetting lamp error counter 1. Go to "Adjustment process mode". 2. Select "L ERR RESET" in "TEST". 3. Reset the data to "0". [L ERR RESET] Function: Reset of fluorescent lamp error counter It resets the times of fluorescent lamp errors and clears the last value in the memory.
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LC-30HV2E 2. Special Mode 1. Entering a special mode 1 Entering the process adjustment mode [Steps] (1) When using the remote control unit: Using the system cable, properly connect the LCD Display Unit and the AVC System, and then turn ON the power.
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LC-30HV2E Ë Organization of process adjustment screen Page Input Source Distinguish Signal HDCP Destination for MAIN unit Destination for AV unit 1/16 INPUT1 No SIG HDCP:ON EUROPE EUROPE Maker Select SHARP Ë +Badj3.3V Ë +Badj2.5V KEY WRITE Ë DATA COPY...
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LC-30HV2E 4. Procedures before and after replacing the PC I/F unit 1) Before replacing the PC I/F unit, write down the values for the parameters listed on the 2nd and 3rd pages of the Adjustment Process A screen. If the values for the parameters cannot be written down because the PC I/F unit is completely broken or for any other reason, make all the adjustments in accordance with the paragraph for Adjustment procedure and parameters, rather than the following procedures.
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LC-30HV2E (3) SECAM signal adjustment Adjustment item Description Adjustment procedure Setup 1. Set colour system to SECAM. 2. Select SECAM source. 100% colour bar signal including 100% white, such as split field colour bar SECAM Y CONTRAST 1. Adjust TB1274_MAIN output (TP803) to adjustment 0.7 ±0.05 Vp-p.
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LC-30HV2E (5) Component 15k Hz signal adjustment Adjustment item Description Adjustment procedure Setup 1. Select component 15k Hz. 2. Select component source. 100% colour bar signal including 100% white, like split field colour bar COMP 15k Adjust TB1274_MAIN output (TP803) to 0.7 ±0.05 Vp-p.
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LC-30HV2E 3. Adjusting Mode 1. Overview The controller IC can be adjusted in this mode. Adjustment is done while controlling the setting of the resistor corresponding to the selected adjustment item. When monitor is used independently, it is adjusted using the OSD simple display function incorporated in LCD controller.
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LC-30HV2E b) Adjustment on the TEST items 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 T E S T 2 O L E R R L C D D A T A 0 0 0 0...
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LC-30HV2E ADJUSTMENT MODE MENU LIST First layer item PAGE ITEM SETTING RANGE INITIAL VALUE DATA SETTING MODE 50HZ/60HZ/PC 50HZ Toggle 0 ~ 255 No Toggle REF0 0 ~ 255 No Toggle VL64 0 ~ 255 No Toggle REF64 0 ~ 255...
LC-30HV2E DESCRIPTION OF MAJOR IC FUNCTIONS Æ Description of Main ICs » » » » » IC1301 (CXA2069Q) This IC is a 7-input, 3-output selector. The video signals other than those for the PC, components and RGB input, which have been input from each input connector and the tuner, and all the audio signals are sent to the IC1301 and then selected.
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LC-30HV2E » » » » » IC405/IC402 (CXD2064Q) This IC is a comb filter in the applicable field for both the NTSC and PAL systems. It performs the Y/C separation of the main and sub channel video signals that have been output from IC1801.
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LC-30HV2E » The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. Ë VHiCXA2069Q-1 (ASSY: IC1301) » S2-Compatible, 7-Input/3-Ouput AV Switch » Block Diagram...
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LC-30HV2E » Pin Function Pin No. Pin Name Pin Function Video signal input. Composite video signal input Y/C-separated signal input terminal for luminance signal input. YIN1 to feed in the Y/C-separated signal of VOUT1 output. YIN1 Y/C-separated signal input terminal for chrominance signal input.
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LC-30HV2E » Pin Function Pin No. Pin Name Pin Function VIDEO 1-L1 Line input of D-terminal VIDEO 1-L2 VIDEO 1-L3 VIDEO 2-L1 VIDEO 2-L2 VIDEO 2-L3 VIDEO 3-L1 VIDEO 3-L2 VIDEO 3-L3 4, 14, 39, 45, 52, — Analog power supply (9V) AVCC —...
LC-30HV2E Ë VHiSDA5550M-1 (ASSY: IC1601) » Stereo Audio DAC » Block Diagram » Pin Function Pin No. Pin Name Pin Function 99, 1, 3, 4, 2, 100, D0-D7 Data bus for external memory or data RAM. 98, 96 97, 94, 93, 89, 86, A0-A16 Address bus for external program memory or data RAM.
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LC-30HV2E » Pin Function Pin No. Pin Name Pin Function 31, 32, 33, 34, 35, P3.0-P3.7 Port 3 is an 8-bit bi-directional I/O port with internal pull-up resistors, Port 3 pins that 36, 37, 38 have 1 written to them are pulled high by the internal pull-up resistors and in that state...
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LC-30HV2E Ë RH-iX3371CEZZ (ASSY: IC2501) » Multi Standard Sound Processor » Block Diagram...
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LC-30HV2E » Pin Function Pin No. Pin Name Pin Function — Not connected I2C_CL I2C clock I2C_DA I2C data I2S_CL I2S clock I2S_WS I2S word strobe I2S_DA_OUT I2S data output I2S_DA_IN1 I2S1 data input ADR_DA ADR data output ADR_WS ADR word strobe...
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LC-30HV2E » Pin Function Pin No. Pin Name Pin Function CVBS1/Y1-IN CVBS1 or Y1-IN signal input. SYNC-IN Sync signal input. CVBS-OUT CVBS or Y+C signal output terminal. Counted-down vertical sync signal output. COMB Y-IN Input of Y signal coming from comb filter. Open when not used.
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LC-30HV2E Ë VHICXA2101Q-1 (ASSY: IC803) » Baseband Video Signal Processor » Block Diagram » Pin Function Pin No. Pin Name Pin Function IN2-H IN2-H : Independent horizontal sync signal input terminal. IN2-V IN2-V : Independent vertical sync signal input terminal.
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LC-30HV2E » Pin Function Pin No. Pin Name Pin Function V-PH Vsync peak holding capacitor connection terminal. IN5-H IN5-H : Independent horizontal sync signal input terminal. IN5-V IN5-V : Independent vertical sync signal input terminal. IN5-1 IN5 line signal input terminal.
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LC-30HV2E Ë RH-iX3566CEZZ (ASSY: IC1901) » PLD (Programmable Logic Device) » Pin Function Pin No. Pin Name Pin Function SP_HD — Ground SP_VD SP_CP — Power supply (3.3V) — Ground MODEA MODEB MODEC SELA — Ground — Power supply (3.3V)
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LC-30HV2E » Pin Function Pin No. Pin Name Pin Function HD1-IN Input the horizontal synchronizing signal. HD2-IN It’s polarity corresponds to both positive and negative. HD3-IN Input from this pin does not be synchronized internally. VD1-IN Input the horizontal vertical signal.
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LC-30HV2E » Pin Function Pin No. Pin Name Pin Function CLPO Built-in clamp circuit current output terminal. To be connected to ADIN when built-in clamp is used. ADIN Comb filter analog input (A/D converter) terminal. A/D converter reference bottom voltage. (standard 0.52V) ADVS —...
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LC-30HV2E Ë VHiML6428C1-1 (ASSY: IC404, IC407) » Low Pass Video Filter IC » Block Diagram » Pin Function Pin No. Pin Name Pin Function Luminance input — 5V supply for filters and references. — Ground Chrominance input YOUT Chrominance output VCCO —...
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LC-30HV2E Ë RH-iX3473CEZZ (ASSY: IC804, 810) Ë RH-iX3474CEZZ (ASSY: IC811) » Monolithic Video Filter * RH-iX3473CEZZ is 6.7MHz at Cut-off frequency. * RH-iX3474CEZZ is 30MHz at Cut-off frequency. » Block Diagram » Pin Function Pin No. Pin Name Pin Function A/B MUX —...
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LC-30HV2E » Pin Function Pin Name Pin No. Type Description In DVI mode, a HIGH level indicates that the link from the transmitter to the SiI861 is active. A LOW level indicates a “Loss of Sync” condition between the transmitter and the SiI861.
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LC-30HV2E » Pin Function Pin Name Pin No. Type Description 156, 160,162, OVCC 12,24, Power Output Buffers VCC, must be set to 3.3V. 78,92, 123,135, OGND 13,25, Ground Output Buffer GND. 65,69, 77,94, 101,124, 136, AVDD 170, Power Analog VCC, must be set to 3.3V.
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LC-30HV2E Ë VHiNJM2193M-1Y (IC3802) » Focus & SRS Audio Processor » Block Diagram FOCUS Rch IN SRS Rch OUT Rch IN FOCUS Elevation Rch OUT Filter BYPASS BYPASS Elevation FOCUS Filter SRS Filter Bass Bass Compensation Compensation Control Filter FOCUS...
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LC-30HV2E Ë VHiTA1101B/-1Y (IC3809) » Stereo Amp. » Pin Function Functi on Descri pti on 1, 2 DCAP2, DCAP1 Charge pump switching pins. DCAP1 (pin 2) is a free running 300kHz square wave between VDDA and DGND (12Vpp nominal). DCAP2 (pin 1) is level shifted 10 volts above DCAP1 (pin 2) with the same amplitude (12Vpp nominal), frequency, and phase as DCAP1.
LC-30HV2E LC-30HV2E LCD DISPLAY SIGNAL BLOCK DIAGRAM CONFIG IIC IC2202 IC4902 HDCP( KEY) FIFO M E M O RY EEP -ROM Q O 0 -2 3 ,QE0-23 HSYNC,V SYNC KEY IIC IC4901 DDC -IIC CLOCK O S DR IV E ( ODD)
LC-30HV2E LC-30HV2E AVC OVERALL WIRING DIAGRAM-1/2 SR UNIT P6000 P6001 QCNW-6078CEZZ QCNW-6075CEZZ PC I/F UNIT AV UNIT SC1401 QCNW-6084CEZZ QCNW-6082CEZZ P2502 SC1503 QCNW-6083CEZZ QCNW-6081CEZZ QCNW-6073CEZZ QCNW-6080CEZZ P1702 MAIN UNIT P1703 QCNW-6074CEZZ QCNW-6077CEZZ QCNW-6079CEZZ CN702 POWER UNIT P3401 P3402 QCNW-6076CEZZ FRONT UNIT...
LC-30HV2E DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. When the exclusive-use AC adapter is used, the colour bar signal of colour bar generator for service is input to get the normal screen. When the audio is minimized, the voltage value is measured with the 20 kΩ/V tester.
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LC-30HV2E Ë SPEAKER-L Unit (LCD) Ë SPEAKER-L Unit (LCD)
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LC-30HV2E Ë POWER Unit (LCD)-1/2 CN3(PA) BM07B-SRSS-TB G N D G N D CN7(PE) G N D B10B-EH TV-POW TV-POW 1 0 V 1 0 V 1 0 V CN4(PB) G N D B6B-PH-K-S G N D 1 3 V...
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LC-30HV2E LC-30HV2E Ë POWER Unit (LCD)-2/2 (SF10L60U) FMD-G26S P 1 2 2 6 D 2 1 F M B 2 4 L ( S F 1 0 S C 4 ) (D3SB60) C 1 2 6 1 (RBV406) 2 S K 2 9 1 7...
LC-30HV2E Ref. No. Part No. Description Code Ref. No. Part No. Description Code PARTS LIST Ref. No. Part No. Description Code DUNTKA535DE14 PARTS REPLACEMENT AVC MAIN UNIT Replacement parts which have these special safety characteristics identified in this manual: electrical components having such fea- INTEGRATED CIRCUITS tures are identified by "å"...
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LC-30HV2E CABINET AND MECHANICAL PARTS (AVC) Ref. No. Part No. Description Code Ref. No. Part No. Description Code Main Unit PC I/F Unit AV Unit EMC Unit SR Unit Front Unit Power Unit LED Unit 2-13 2-10 2-13 2-13 2-14...
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LC-30HV2E Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS PSPAZ0464CEKZ J Cooling Sheet PSPAZ0465CEKZ J Cooling Sheet (AVC) PSLDM4715CEFW J RCA Shield CCABA3171CE01 J Bottom Cabinet Ass’y Not Available – Bottom Cabinet —...
LC-30HV2E Ref. No. Part No. Description Code Ref. No. Part No. Description Code PACKING OF THE SET AVC Center AD. (SSAKF0560CEZZ) Operation Manual (TINS-7642CEZZ) Operation Manual (TINS-7658CEZZ) (SPAKPA017WJZZ) Buffer Material(Left) (SPAKF0539CEZZ ) Buffer Material(Top) Polyethyrene Bag for LCD (SPAKX2976CEZZ) (SPAKP0919CEZZ)
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