LC-30HV4M LC-30HV4H SERVICE MANUAL S53B1LC30HV4M LCD COLOUR TELEVISION LC-30HV4M LC-30HV4H MODELS 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.
LC-30HV4M LC-30HV4H IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed 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,...
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LC-30HV4M LC-30HV4H Precautions for using lead-free solder 1 Employing lead-free solder "PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.
AC 110–240 V, 50/60 Hz AVC System Power 31 W (0.8W Standby) Consumption Display 104 W (0.6W Standby) (LC-30HV4H)/105W (0.7W Standby) (LC-30HV4M) AVC System Weight 5.4 kg (w/o stand), 5.5 kg (with stand) 15.8 kg (w/o stand), 19.7 kg (with stand) Display...
LC-30HV4M LC-30HV4H REMOVING OF MAJOR PARTS Ë Ë Ë Ë Ë AVC System 1. Remove the five top cabinet retaining screws and slide the top cabinet backward to remove it. 2. Remove the four side cover retaining screws on both the right and left sides and slide the side covers backward to remove them.
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LC-30HV4M LC-30HV4H 7. Remove the system/control terminal retaining: 7-1. Remove the four hex head screws securing the terminals of the system and control cables (white). 7-2. Remove the two screws securing the terminal of the system cable (gray). 7-3. Remove the two rear chassis retaining screws.
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LC-30HV4M LC-30HV4H 11. Remove the AV unit: 11-1. Remove the five AV unit retaining screws and remove the AV unit. 11-2. Remove the three AV unit angle retaining screws and remove the angle. 12. Remove the fan: 12-1. Remove the two cooling fan retaining screws and remove the cooling fan.
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LC-30HV4M LC-30HV4H Ë Ë Ë Ë Ë 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 18 screws and releasing the front cabinet's 6 hooks.
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LC-30HV4M LC-30HV4H 7. Take off the LCD control PWB by detaching 7 connectors and removing 4 screws. 8. Take off the R/C, LED PWB by detaching one connector and removing 2 screws. 9. Take off the speaker (L) PWB by detaching one connector and removing one screw.
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LC-30HV4M LC-30HV4H 15.Take off the inverter GND PWB by removing 2 screws. 16.Take off the power PWB by removing 7 screws. Remove insulation sheet. 17.Take off the inverter-1 PWB by removing 3 screws. 18.Take off the inverter-2 PWB by removing 3 screws 19.Take off the 4 reinforcement angles by removing 2 screws from each angle.
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LC-30HV4M LC-30HV4H 23.Take off the LCD panel with panel shield by removing 4 screws. 24.Take off D-BEF sheet, prism sheet and diffusion sheet. Take off ITO sheet and diffusion panel by removing 2 screws. 25.Take off the panel shield by removing 6 screws and 2 in the center.
LC-30HV4M LC-30HV4H ADJUSTMENT PROCEDURES (AVC SYSTEM) Preparation for adjustment 1. The product has been adjusted and optimized in the factory. If the product needs to be readjusted for some reason, e.g., after parts replacement, follow the instructions shown below. 2. Control parameter values set in the in-process adjustment mode has been stored in the corresponding registers.
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LC-30HV4M LC-30HV4H 2. In-process adjustment screen layout Page Program version Source of input Color system HDCP Main unit AV unit 1/19 TUNER NO SIG HDCP:ON ASIA ASIA CENTER Version 2001 06 21A OSD Version XXXXXXXX CVIC Version XXXXXXXX TTXP Version XXXXXXXX ∫...
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LC-30HV4M LC-30HV4H 1) Analog adjustment (1) Voltage adjustment Item Adjusting conditions/points Adjusting procedure » Connect a DC voltmeter to TP4 on the PC I/F unit. 3.3 V Adjustment Page: 1 Location: TP4 Move the cursor to "Ë+Badj.3.3V" and use "VOL" (+) and (–) keys to adjust the voltage to 3.30 ±...
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LC-30HV4M LC-30HV4H (3) PAL signal adjustment Adjustment items Adjustment conditions Adjustment procedures Setup INPUT1-Video 1. Set colour system to PAL. 2. Select PAL source. 100% colour bar signal including 100% white, such as split field colour bar. MAIN PAL Y Pin (1) of P801 Adjust pin (1) of P801 to 0.70 ±0.025 Vp-p.
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LC-30HV4M LC-30HV4H (5) N358 signal adjustment Adjustment items Adjustment conditions Adjustment procedures Setup INPUT1-Video 1. Set colour system to N358. 2. Select N358 source. 100% colour bar signal including 100% white, such as split fied colour bar. MAIN N358 Y Pin (1) of P801 Adjust "MAIN N358 Y CONTRAST"...
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LC-30HV4M LC-30HV4H (7) Component HDTV signal adjustment Adjustment items Adjustment conditions Adjustment procedures Setup SIGNAL 1. Input HDTV (1080i) component signal. ∫ COMPONENT HDTV 2. Select component source. ∫ 100% Colour bar 100% colour bar signal including 100% white, like...
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LC-30HV4M LC-30HV4H Ë Ë Ë Ë Ë Adjustment Mode Menu List (AVC System) PAGE LINE NAME FUNCTION Ë+BAdj3.3V +BAdjust3.3VDisp(x,y,line) Ë+BAdj1.8V(Enter:Auto) +BAdjust2.5VDisp(x,y,line) KEY WRITE KeyWrite_Disp(x,y,line) ËDATA COPY DataCopy_Disp(x,y,line) INDUSTRY INIT IndustryInit_Disp(x,y,line) CENTER Version CenterVersion_Disp(x,y,line) OSD Version OSDVersion_Disp(x,y,line) CVIC Version CVICVersion_Disp(x,y,line) TTXP Version...
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LC-30HV4M LC-30HV4H ËCOMP15K White Balance Comp15K_WB_Disp( x, y, line ) COMP15K R CUTOFF Comp15KRCutoff_Disp(x,y,line) COMP15K R DRIVE Comp15KRDrive_Disp(x,y,line) COMP15K G CUTOFF Comp15KGCutoff_Disp(x,y,line) COMP15K G DRIVE Comp15KGDrive_Disp(x,y,line) COMP15K B CUTOFF Comp15KBCutoff_Disp(x,y,line) COMP15K B DRIVE Comp15KBDrive_Disp(x,y,line) ËCOMP33K White Balance CompHDTV_WB_Disp( x, y, line )
LC-30HV4M LC-30HV4H UPGRADING INSTALLED PROGRAMS Programs installed in the product are mainly divided into the following two categories: ∫ Main programs (for AVC system) ∫ Monitoring program (for display) CAUTON: Exercise great care to hide the procedure in entering the in-process adjustment mode from the customer.
6. Adjust "R GAMMA", "G GAMMA" and "B GAMMA" in "SIL861" so that right side 20% WHITE window pattern is set to the specified value. Specification: x = 0.278, y = 0.274 (80% WHITE), x= 0.259, y = 0.248 (20% WHITE) (LC-30HV4M) x = 0.283, y = 0.274 (80% WHITE), x= 0.263, y = 0.242 (20% WHITE) (LC-30HV4H) Note: Apply this adjustment after for at least 30 min.
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LC-30HV4M LC-30HV4H 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-30HV4M LC-30HV4H 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...
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LC-30HV4M LC-30HV4H Ë Ë Ë Ë Ë Adjustment Mode Menu List (Display) 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...
This IC receives AV3 component input, AV1/3 RGB input and teletext RGB signals. Its output is for main, sub and component. ∫ IC1601 (SDA5550M) (Only for LC-30HV4M) Teletext processing micro-processor. This IC receives vide signals, decodes teletext and outputs data in RGB format.
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LC-30HV4M LC-30HV4H ∫ PC I/F unit ∫ IC10004 (CXA3506R) 3-ch, 8-bit 120MSPS A/D converter incorporating AMP and PLL. This IC process video signals supplied to the interface board. On the main side, video signals (analog RGB) from CN6 are inputted to IN1 of IC10004. On the PC side, vide signals (analog RGB) from CN8 are inputted to IN2 of IC10004.
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LC-30HV4M LC-30HV4H ËRH-iXA385WJZZ (ASSY:IC2701) DELAY » Pin mapping Pin No. Pin Name Type Description 1, 19, 32, 33 –– Power supply 44, 64 PLLVDC –– PLL power supply VCOIN VCO IN (used to construct external loop filter) TEST Input for testing...
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LC-30HV4M LC-30HV4H » Pin mapping Pin No. Pin Name Type Description Video signal input Composite video signal input Y/C separation signal input, used for luminance signal input YIN1: Input for signal created by Y/C separation of VOUT1 output YIN1 Y/C separation signal input, used for chrominance signal input...
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LC-30HV4M LC-30HV4H » Pin mapping Pin No. Pin Name Type Description VIDEO 1-L1 D-pin connection line input 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, 58 VCC ––...
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LC-30HV4M LC-30HV4H » Pin mapping Pin No. Pin Name Type Description CVBS1/Y1-IN CVBS1 or Y1-IN signal input SYNC-IN Synchronization signal input CVBS-OUT CVBS or Y+C signal output Output of counted-down vertical synchronization signal COMB Y-IN Input of Y signal outputted from comb filter. Open when not used D-VDD ––...
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LC-30HV4M LC-30HV4H » Pin mapping Pin No. Pin Name Type Description IN2-H IN2-H: Independent H periodic signal input IN2-V IN2-V: Independent V periodic signal input IN2-1 IN2 system signal input IN2-2 IN2-3 Vcc-MAT –– Power supply to selector or synchronous processing modules...
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LC-30HV4M LC-30HV4H ËVHIPD6408+-1S (ASSY:IC7001) 3-dimensional Y/C separation LSI with a built-in 4M bit memory » Pin mapping Pin No. Pin Name Type Description 1,33,48,75 DGND –– Digital part GND (common to I/O part grounding) 39,62,100 DVDD –– Digital part 2.5V Power supply...
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LC-30HV4M LC-30HV4H ËRH-iXA392WJZZ (ASSY:IC1901) PLD (Programmable Logic Device) » Pin mapping Pin No. Pin Name Type Description –– Not connected SP_CP2 Input of clamp signal from synchronous separation IC (for 15K system) SP_VD Input of vertical synchronization signal from synchronous separation IC ––...
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LC-30HV4M LC-30HV4H ËVHiTC90A69++1Y (ASSY:IC401/IC402) 3 Line Digital Comb Filter (NTSC/PAL) » Pin mapping Pin No. Pin Name Type Description BIAS –– ADC bias –– ADC upper limit bias VDD1 –– ADC and DAC power supply (analog system) TESTI1 TEST Input VSS2 ––...
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LC-30HV4M LC-30HV4H ËRH-iX3270CEZZ (ASSY:IC10001) 32-bit RISC Micro Processor » Pin mapping Pin No. Pin Name Type Description 34, 36-44, D[15:0] Data bus D [15:0] 46, 48-52 23-26, 28, 30-32 D[23:16/PTA[7:0] Data bus D [23:16] / I/O port A [7:0] 13-18, 20, 22...
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LC-30HV4M LC-30HV4H » Pin mapping Pin No. Pin Name Type Description RESETP Power-on reset request RESETM Manual reset request BREQ Bus request BACK Bus ACK 2, 1, 144 MD[2:0] Clock mode select 196, 195 MD[4:3] Area 0 bus width select...
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LC-30HV4M LC-30HV4H Ë9DK001-15079 (CXA3506R) (ASSY:IC10004) 3-channel, 8-bit, 120MSPS A/D converter amplifier PLL » Pin mapping Pin No. Pin Name Type Description B/CbOUT Amplifier output signal monitor ADDRESS I2C slave addressing R/CrOUT Amplifier output signal monitor –– Not used –– Not used...
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LC-30HV4M LC-30HV4H Pin No. Pin Name Type Description R/CrIN1 R/Cr signal input 1 AVCCAMPR –– R/Cr amplifier power supply R/CrIN2 R/Cr signal input 2 AGNDAMPR –– R/Cr amplifier GND G/YOUT Amplifier output signal monitor DACTEST Input for testing amplifier control resistor DAC...
LC-30HV4M LC-30HV4H TROUBLE SHOOTING TABLE (AVC System) Power cannot be turned on. (The power LED on the front panel does not light up). Plug the power cable connector and retry to turn on the Is the power cable connected properly? power.
LC-30HV4M LC-30HV4H 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.
To have your order filled promptly and correctly, please furnish the RLCDTA020WJZZ J 30' LCD Panel Unit following informations. 1. MODEL NUMBER 2. REF. NO. DUNTKB401FE10 (LC-30HV4M/M 3. PART NO. 4. DESCRIPTION DUNTKB401FE11 (LC-30HV4H) MAIN Unit (AVC System) INTEGRATED CIRCUITS...
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LC-30HV4M LC-30HV4H Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB401FE10 (LC-30HV4M/M FILTES AND COILS DUNTKB401FE11 (LC-30HV4H) CF7201 RFiLA0098CEZZ+ J Ceramic Filter FL810 RFiLZA005WJZZQ J Filter MAIN Unit (AVC System) FL7002 RFiLN0097GEZZY J Filter L403 VPD9M4R7MR53NY J Peaking 4.7µH...
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– FRONT Unit — DUNTKB594DE25 – SR Unit — Not Available – Rear Panel Ass’y — DUNTKB636FE01 – AV Unit (LC-30HV4M/M(X)) — LANGTA053WJFW J Rear Panel DUNTKB636FE03 – AV Unit (LC-30HV4H) — HiNDPA367WJSA J Indication Label CPCi-A005WJ56 – PC I/F Unit(LC-30HV4M/H) —...
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LC-30HV4M LC-30HV4H CABINET AND MECHANICAL PARTS (Display)
J Cable Clamp, x1 (LC-30HV4H) å QACCBA004WJPZ J AC Cord (LC-30HV4H) SPAKFA162WJZZ – Buffer Material — å QACCKA004WJPZ J AC Cord (LC-30HV4M) (for Accessory) å QACCL0020TAZZ J AC Cord (LC-30HV4M(X)) SPAKFA218WJZZ – Packing Material — QCNW-6117CEZZ J System Cable SPAKFA232WJZZ –...