Atec AV32OPD Service Manual

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Summary of Contents for Atec AV32OPD

Page 1 All manuals and user guides at all-guides.com...
Page 2 All manuals and user guides at all-guides.com INDEX 1. Safety Precautions. 2. Product Specification. General Specification RGB/DVI Spec DTV Mode Spec CHASSIS / FUNTION General Spec. Engineering Spec. 3. Service Mode Adjustment. 4. Firmware upgrade 5. Adjustment Standard 6. Remote Controller(PAL/SECAM) 7.
Page 3: Safety Precautions
All manuals and user guides at all-guides.com 9. Circuit Diagram - MAIN BOARD - POWER BOARD (SMPS) 10. BOM (Parts List) - MAIN BOARD - POWER BOARD (SMPS) 11. Assembly Diagram 1. Safety precautions * General details 1) When providing service, pay attention to the basic wiring and if you see a short circuit, you must replace all parts overheated or damaged by the short circuit.
Page 4 All manuals and user guides at all-guides.com 8) Never change the design or add to the design of the device or electric circuit for this set. If you add to the design, it can cause danger to the safety. Also if you change the design or add to the design, the manufacturer’s warranty would be ineffective.
Page 5: Product Specification
All manuals and user guides at all-guides.com 6) The voltage should not exceed 0.75V in any location and the current leakage must not exceed 0.75mA. * service precautions 1) When inserting the part or circuit board, you must keep the lead wire fixed to the end before soldering. 2) When inserting the high power resistance, leave about 10mm clearance from the board (metal oxidation coated resistance or metal coated resistance).
Page 6 All manuals and user guides at all-guides.com - AV320PD 32” In/Out Analog RGB 15 pin D-Sub Input Video SCART(half) Composite Input * 2 S-Video Input * 1 Component Input * 1 HDMI Input Audio Composite RCA L/R Input * 2 SCART(half) Component RCA L/R Input *1 Headphone Output * 1...
Page 7 All manuals and user guides at all-guides.com 800 * 600 35.156 56.25 36.0 VESA 800 * 600 37.879 60.317 40.0 VESA 800 * 600 48.077 72.188 50.0 VESA 800 * 600 46.875 75.0 49.5 VESA 832 * 624 49.726 74.551 57.284 1024 * 768 48.780...
Page 8 All manuals and user guides at all-guides.com COMPONENT Type RCA Jack (Green, Blue, Red)*1 Mode 480i: 59.94/60Hz, 480p: 59.94/60Hz SD and HD 765i:50Hz, 765p: 50Hz 720p: 59.94/60Hz, 1080i: 50/59.94/60Hz VIDEO INPUT Type CVBS: RCA Jack(yellow)*1, VCB4430 Half SCART *1 VCB4430 SVHS: Mini-Din 4P *1.
Page 9 All manuals and user guides at all-guides.com ○ ○ ○ ⅹ ⅹ HDMI ○ ○ ○ ⅹ ⅹ ◆ Engineering Specification Item Desc ription Remark For Audio V(Voltage) 11.4 12.6 POWER For Stand-by SUPPLY For Logic For Tuner 32.5 DPMS Sync(V/H) VIDEO Power(V/A)
Page 10: S Ervice Mode Adjustment
All manuals and user guides at all-guides.com 0.5±0.05 V rm 0.4±0.05 V rms Video Cross-Talk 3. S ervice mode Adjustment Move to Factory Men u pres sing MENU + MUTE + I/II Button on remote controller. SERVICE MENU VERSION V1.0 Remarks BLE MODE Do not change the value which is currently set.
Page 11: Dsub Cable
All manuals and user guides at all-guides.com B OFFSET Do not change the value which is currently set. SUB CON Do not change the value which is currently set. SUB BRI Do not change the value which is currently set. AUTO COLOR Do not change the value which is currently set.
Page 12 All manuals and user guides at all-guides.com 3. Uncompress the ISP_update_programmming.zip file. 4. T here are two files in DRIVER folder. - port95nt.exe : Execute po rt95nt.exe when you are using Windows95 Operating System. - setup_LptDrvDev _v020201_XP_2000.exe : Execute setup_LptDrv Dev_v020201_XP_2000.exe When you are using W indows2000 Operating System.
Page 13 All manuals and user guides at all-guides.com vctidown -rv > RdVer.txt vctidown -rv > RdVer.txt vctidown -rv > RdVer.txt fc VctF2Ver.txt RdVer.txt if errorlevel 1 goto FAIL vctidown –rv =============================================================== You should make \SrcCode\BinHex\VCB4430_1.bin folder and the name of Firmware(VCB4430 _1.bin) can be redefined by user.
Page 14: Adjustment Standard
All manuals and user guides at all-guides.com . When download is complete, “success” will be shown on the screen. 5. Adjustment Standard 1. Sc is standard is applicable to all the models of LCD TV with VCB4430 Chassis (main board). 2.
Page 15 All manuals and user guides at all-guides.com 3) White Balance Adjustment 4) Main/Sub Color Adjustment 4. Adjustment - EDID (The Extended Display Identification Data)/DDC (Display Data Channel) download 1) The information is exchanged without user’s command to PC or monitor since they are specified in VESA. In other words, the function is made for “Plug and Play”...
Page 16 All manuals and user guides at all-guides.com . AD9883A-Set adjust Introduction Analog Adjustment for AD9883A-Set => This is a function for the optimal level of black and gain to be automatically set from digital converter and RGB variation to be adjusted. 2) Used Equipment Pattern Generator(capable of generating 720P Vertical 100% Color Bar Patt ern (The pattern type is shown in the...
Page 17 All manuals and user guides at all-guides.com A proper output mode of soun d can be selected as per the type of program being wa tched. .(Custom, Standard, Music, Movi e, Speech) FUNTION EMARK POWER Turns the display On or off NUMBER Direct channel select.
Page 18 All manuals and user guides at all-guides.com BLUE: Converts to the Page linked to the BLUE key. INPUT Changes the screen size. PIP input source. Changes the screen size. PIP(Small), PIP(La rge), PBP1, PBP2 screen change. SLEEP Sets the sleep timer. The apparatus is automatically turned off SWAP Swaps the main screen for a sub-screen (only in PIP, PBP mode) You can watch the LCD Display in various picture formats, Auto,...
Page 19: Troubleshooting
All manuals and user guides at all-guides.com 7. Trouble Shooting - Power Related Troubles There is NO POWER (Front Panel LED OFF) The Power of Fail SUB POWER Replace SUB POWER BOARD (master SW) BOARD is OK? Pass Fail Check the Connect Connector Connectors Related to Power...
Page 20 All manuals and user guides at all-guides.com - Screen Related Troubles There is NO IMAGE. Fail Power Replace SUB POWER BOARD. SUB POWER BOARD is OK? Pass Check the Fail Connect Connector. connectors Related to Power and Pass Check Standby Check Power ref.
Page 21 All manuals and user guides at all-guides.com Pass Is the Power of 24V in Fail INVERTER Entered Normally? Replace Power Board POWER BOARD CONNECTOR CN402, Pass CHASSIS의 CONNECTOR POWER BOARD REF. Fail J701 PIN(1) 5V, CN401 PIN(1) 5V, PIN(5) INV ON PIN(9&10) 12V PIN(5) INV ON, PIN(9&10) are OK? 12V are OK?
Page 22 All manuals and user guides at all-guides.com - Sound Related Troubles There is NO SOUND. Pass POWER BOARD REF. Fail Replace Power Board CN401 PIN(1) 5V, PIN(5) INV ON, PIN(9&10) 12V are OK? Pass Fail Check Power of Sound supply. Replace CHASSIS (VBC3002) BOARD Check J701 9,10 24V in VCB4430 BOARD...
Page 23 All manuals and user guides at all-guides.com 8. Block Diagarm...
Page 24: Circuit Diagram
All manuals and user guides at all-guides.com 9. Circuit Diagram...
Page 25 All manuals and user guides at all-guides.com - Main board...
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Page 32 All manuals and user guides at all-guides.com - POWER BOARD (SMPS)
Page 33 All manuals and user guides at all-guides.com 10. BOM (Parts List) - Main Board Location Number Part number Parts Name Specification VMT-0072AB PWB(PCB) ASSY,MAIN VCB4430 MAIN TOTAL PWB(PCB) ASSY,MAIN VCB4430 MAIN VMH-0072AB HAND INSERTING BOARD LABEL VCB4450 JACK AUDIO PHONE JACK 3.5PIE J902 NINENEW SJ3501-5 H7 D-SUB 15F- BLUE...
Page 34 All manuals and user guides at all-guides.com Al. CAPCITOR/SAMYOUNG 47UF 50V M 6.3*11*2.5 SHL-TYPE C514 C515 C518 C524 C552 Al. CAPCITOR/SAMYOUNG 22UF 50V M 5* 11*2.5 SHL-TYPE C367 C924 C929 C936 C937 C955 Al. CAPCITOR/SAMYOUNG 10UF 50V M 5*11*2.5 SHL-TYPE C174 C176 C339...
Page 35 All manuals and user guides at all-guides.com CAPACITOR, CHIP CERAMIC 20PF 50V J NP0 1608 R/TP C623 C624 CAPACITOR, CHIP CERAMIC 15PF 50V J NP0 1608 R/TP C645 CHIP RESISTOR 0 1/8W J 2012 D.R/TP R529 R530 R547 R551 CHIP RESISTOR 1M 1/10W J 1608 D.R/TP R118 R221...
Page 36 All manuals and user guides at all-guides.com R3100 R3101 R3104 R3105 R3112 CHIP RESISTOR 75 1/10W J 1608 D.R/TP R321 R322 R323 R324 R326 R327 R329 R344 R458 R556 R937 R947 R977 R994 R995 R996 R997 R998 R999 CHIP RESISTOR 22 1/10W J 1608 D.R/TP R140 R142...
Page 37 All manuals and user guides at all-guides.com WM8725-SOP14 865X600 P127 U103 IC,INTERNATIONAL RECTIFIER IRF7404 20V 3.1A SO-8 U708 U709 P-CHANNEL MOSFET CRISTAL SX-1 SMS, 12MHZ CL 18PF X201 CRISTAL SX-1 SMS, 14.318MHZ CL 18PF Y101 CRISTAL SX-1 SMS, 20.250MHZ CL 18PF X301 IC, TEXAS INSTRUMENT 10W STEREO AUDIO POWER...
Page 38 All manuals and user guides at all-guides.com - Power Board (SMPS)
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Page 41: Assembly Diagram
All manuals and user guides at all-guides.com 11. Assembly Diagram...
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Vcb 4430