NEC DSC-3261HA Service Manual Download | Manualshive

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14

Trouble shooting Chats

2. NO COLOR

Check signal at
19th pin of I701

NORMAL

ABNORMAL

Refer to
no picture

Change the system
PAL ---> NTSC ---> SECAM

Check R, G, B signal
42,43,44th of I701

Check/Replace
Q501, Q542, Q543,
Q544

Check
CRT BLOCK

Check/Replace
trap of IF module & Q103

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Summary of Contents for DSC-3261HA

Page 1: ...Service Manual Stereo Color Television CHASSIS CM 921F PAL SECAM B G D K I H SYSTEM NTSC 4 43 3 58 M SYSTEM MODEL DSC 3261HA PF32W502 NEC Model NEC Corporation Jan 2003 S M No TCM921FEFO ...

Page 2: ...ication 2 2 CM 921F EEPROM Presetting DATA 3 3 Circuit block Diagram 5 4 Alignment Instruction 6 5 Trouble Shooting Charts 13 6 Part list DSC 3261H 20 7 Mechanical Exploded View 37 8 Printed Circuit Board 38 9 Schematic Diagram 41 ...

Page 3: ...rage VHF L E2 48 25MHz S6 147 25MHz VHF H S7 147 25MHz S36 423 25MHz UHF A37 431 25MHz E69 855 25MHz Tuning System Frequency Synthesizer Tuning System Channel Indication On Screen Display Programme Selection 100 Programmes Aux Terminal AV input 1 2 Scart 3 DVD AV output Scart out RF out Remote Control Unit R 50F11 Required two 1 5V batteries type with AA size Dimention 890 W X 573 H X 560 D mm Wei...

Page 4: ...White Black RETMA CROSS HATCH COLOR BAR PHILIPS RETMA COLOR BAR RED PR No COLOR BAR RETMA R B W DEM 400Hz 60 MOD NICAM St L 1KHz R 0KHz 1KHz 60 MOD 2 C Dual Main 1KHz Sub 5KHz 400Hz 60 MOD 1KHz 80 MOD NICAM Dual Main 1KHz Sub 3KHz SWEEP 60 Standard 1KHz 268Hz 4 2KHz SWEEP 60 Standard 1KHz 268Hz 4 2KHz 400Hz 60 MOD NICAM St L 1KHz R 0KHz 5KHz 60 MOD 2 C St L 0KHz R 5KHz 1KHz Korean Dual 1KHz 5KHz S...

Page 5: ...OFF ON For PARS Elec OFF For all Model except PARS 34 Inch TEXT sel English French Swedish Czech German Spanish Italian Estonian English Slovakian Serbian Albanian Polish Turkian Rumanian English Russian Bulgaian Ukrainian Serbian Montenegro English Farsi English Arabic Teletext Language depends on OSD Language selection PARS LOGO Note If OSD language text selec is different then Teletext depends ...

Page 6: ...5 3 circuit block Diagram ...

Page 7: ... PARALL V LINEAR 03 05 TILT P H POS P V POS P R G B Peak P CONT P BRIGHT R G B DRIVE R G B BIAS SUB BRI SUB CONT BRM AGC MAIN AGC SUB S11 S12 CONT For Changing SUB Brightness Adjust Reference IBRM For Changing Screen Adjust Reference Not Use Shipping SVC Main Menu S10 AGC S6 Geometry S7 PIP DSC 3261HA S9 SUB PICTURE Screen Sound Test Picture Test Heat Run Timer LED test 40 18 07 S CORRECT 7 0 170 ...

Page 8: ... SHUT DOWN condition High Voltage Protector 2 2 3 The next place to confirm normal operation when the resister 15KΩ is removed 2 2 4 After Main Power Switch OFF ON to confirm normal operation of picture and sound when turn the set on by remocon ON With PIP Models OFF Without PIP Models ON Enable the Digital Sensor OFF Disable the Digital Sensor ON Enable the all Languge Multi OSD Language OFF Enab...

Page 9: ... B and System to the PAL 5 2 Setting the Normal Stats 5 2 1 Adjust Picture to Normal mode 5 2 2 Adjust the Gain of Nitsuki to suitability by manual when condition is Normal Adjust the standard illumination take within limit bright of Nitsuki and luminosity of SET into acount Exhortative Standard illumination 32inch High 70Cd m2 LOW BEAM about 15Cd m2 5 2 3 Press the S8 key of SVC remocon to adjust...

Page 10: ... V CENTER Adjust with Vol Up Down keys so that the center mark of the CRT may be located on the horizontal line in the middle of the pattern In case of no center mark adjust with Vol Up Down keys to obtain a vertically symmetrical pattern 7 3 The adjustment of VERTICAL SIZE 7 3 1 Receive PAL RETMA pattern signal of company PAL B 2CH 7 3 2 Press the PR up down Keys to select V SIZE Adjust with Vol ...

Page 11: ...2 Press the PR up down Keys to select PARAVOLRA Referring to the 2th line of both side adjust with Vol Up Down keys 7 6 3 The other adjustment list of Pincushion ADJUSTMENT LIST EW TRAPEZ CORNER H BOW H PARALELL Fix adjustments of related Pincution except EW PARA after EEPROM presetting but those can be adjusted in case of need ...

Page 12: ...rrction with Vol Up Down keys 8 1 Receive PAL RETMA PATTERN signal of company 2CH PAL B 8 2 Press the S9 KEY of SVC Remocon SUB PICTURE Adjustment OSD wil be displayed 8 3 The adjustment of SUB BRIGHT 8 3 1 Press the PR up down Keys to select SUB BRIGHT in SUB PICTURE MENU Adjust SUB BRIGHT with Vol Up Down keys 8 3 2 Adjust With BRM Default Value 127 When SUB BRIGHT is lacking in margin of adjust...

Page 13: ... PIP H POSITON Adjustment of H position Sub Picture Should use caution in adjustment because horizontal position of 2PIC Search Picture 3PIC 9PIC 12PIC are changed Reference Presetting Value of EEPROM 30 2 PIP V POSITON Adjustment of V position of Sub Picture Should use caution in adjustment because vertical position of 2PIC Search Picture 3PIC 9PIC 12PIC are changed Reference Presetting Value of ...

Page 14: ...ce Voltage of C893 Check secondary voltage stand by 5V line Check Replace I805 R835 S B line Check Replace F801 Fuse 6 3A 250V Check Replace D801 R805 R803 Check Replace I801 STR 6709 Peripheral components Check Replace I802 KP 1010C Check voltage at 64th pin of I701 normal 0V Open 64th pin of I701 OK set power on Peripheral components of Check OCP OVP line Check horizontal Vcc R555 at 24th pin of...

Page 15: ...COLOR Check signal at 19th pin of I701 NORMAL ABNORMAL Refer to no picture Change the system PAL NTSC SECAM Check R G B signal 42 43 44th of I701 Check Replace Q501 Q542 Q543 Q544 Check CRT BLOCK Check Replace trap of IF module Q103 ...

Page 16: ...input mode RF AV RF Check signal at IF of Tuner Check IF module SF01 12V line 5V line Check signal at 17th pin I101 Check Replace CVBS of PA01 Peripheral components Check Replace Q550 Q542 Q543 Q544 Check signal at R G B input and R G B output of I901 12V line 220V line Check Replace SCL SDA B of Tuner Check Heater Voltage Check Replace I101 ...

Page 17: ...MAL ABNORMAL ABNORMAL ABNORMAL Check Replace D406 D403 48V line 19V line Check Input Voltage of I301 Check Vertical input Vin Vin of I301 Check 34 35th pin of I701 Check Replace I701 Check Vertical output Vout Vout of I301 Check output of I301 Check Replace peripheral componennts of I301 Check Replace I301 ...

Page 18: ...AL ABNORMAL ABNORMAL NORMAL Check 6th pin of I701 normal Low Check signal at 28 29 58th pin of I601 Check 20V line of I602 OK Lin Rin OK Lout Rout OK Check Replace Speaker Check 12th pin of I101 ABNORMAL Replace I602 Check Replace X601 SCL SDA line of I601 Check 20V line of I602 OK Lin Rin OK Lout Rout NG Check Replace SF03 I101 ...

Page 19: ... at 24 26 28th pin of IP03 7 NO EXTERNAL AV RF OK NORMAL ABNORMAL Check connection of AV1 AV2 AV3 DVD Check signal at 20 21 22 16 17 18th pin of I701 Check signal at R G B 42 43 44th of I701 Check Replace Zener Diode of AV PCB Check CVBS of IP01 input of PP02 PP03 AV PCB Check signal at 27 28 29 30th pin of I701 Check signal at R G B 42 43 44th of I701 Check Replace I701 ...

Page 20: ...ng Charts 8 REMOTE CONTROL UNIT TROUBLE NORMAL ABNORMAL Check battery and LED of Remocon Check IR of Preamp and Vcc of Preamp IC IE01 NORMAL Check Replace 8th pin of I701 Replace battery ABNORMAL Replace Preamp IC IE01 ...

Page 21: ...T CODE PART NAME PART DESCRIPTION REMARK ZZ110 PTACPWD713 ACCESSORY AS DSC 3261HA 00010 4850Q00810 BATTERY R6P LN 00060 48586789K1 MANUAL INSTRUCTION DTQ 29X9 M821 4858213801 BAG INSTRUCTION L D P E T0 05X250X400 ZZ100 48B5450F11 TRANSMITTER REMOCON R 50F11 AA ZZ120 PTBCSHD713 COVER BACK AS DSC 3261HA M211 4952100110 COVER BACK FR HIPS M781 4857817612 CLOTH BLACK FELT 250X20X0 7 M782 4857817630 CL...

Page 22: ... TP C546 CEXF1H339V C ELECTRO 50V RSS 3 3MF 5X11 TP C550 CEXF1C101V C ELECTRO 16V RSS 100MF 6 3X11 TP C551 CEXF1E101V C ELECTRO 25V RSS 100MF 6 3X11 TP C553 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C560 CEXF1H109V C ELECTRO 50V RSS 1MF 5X11 TP C561 CMXM2A104J C MYLAR 100V 0 1MF J TP C562 CMXM2A104J C MYLAR 100V 0 1MF J TP C563 CMXM2A104J C MYLAR 100V 0 1MF J TP C564 CEXF1C331V C ELECTRO 16V RSS 3...

Page 23: ...A 50V F 0 047MF Z C512 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z C513 CCZB1H101K C CERA 50V B 100PF K AXIAL C514 CCZB1H221K C CERA 50V B 220PF K AXIAL C515 CCZB1H102K C CERA 50V B 1000PF K AXIAL C516 CCZB1H102K C CERA 50V B 1000PF K AXIAL C526 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z C528 CCZF1H223Z C CERA 50V F 0 022MF Z C529 CCZF1H223Z C CERA 50V F 0 022MF Z C530 CCZF1H223Z C CERA 50V F 0 022MF Z C545 CC...

Page 24: ... COPPER AWG22 1 0 65 TIN COATING J502 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J503 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J504 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J505 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J508 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J510 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J511 85801065GY WIRE COPPER AWG22 1 0 65 TIN COAT...

Page 25: ...TIN COATING J755 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JA01 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JA03 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JA05 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JA06 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JA07 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JA08 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JA09 85801065GY W...

Page 26: ... CARBON FILM 1 6 10K OHM J R592 RD AZ102J R CARBON FILM 1 6 1K OHM J R594 RD AZ222J R CARBON FILM 1 6 2 2K OHM J R595 RD AZ101J R CARBON FILM 1 6 100 OHM J R597 RD AZ103J R CARBON FILM 1 6 10K OHM J R599 RD AZ101J R CARBON FILM 1 6 100 OHM J R602 RD AZ101J R CARBON FILM 1 6 100 OHM J R605 RD AZ101J R CARBON FILM 1 6 100 OHM J R606 RD AZ101J R CARBON FILM 1 6 100 OHM J R612 RD AZ103J R CARBON FILM ...

Page 27: ... 5 C404 CCYB2H103K C CERA 500V B 0 01MF K C405 CMYH3C432J C MYLAR 1 6KV BUP 4300PF J C406 CMYH3D522J C MYLAR 2KV BUP 5200PF J C416 CMYE2G304J C MYLAR 400V PU 0 3MF J C801 CL1UC3104M C LINE ACROSS WORLD AC250V 0 1UF M R 47 C802 CL1UC3474M C LINE ACROSS 0 47MF 1J UCVSNDF SV Q O C803 CH1BFE472M C CERA AC AC400V 4700PF M U C V C804 CH1BFE222M C CERA AC U C V AC400V 2200PF C812 CEYF1V222V C ELECTRO 35V...

Page 28: ...V PU 0 022MF J TP C408 CEXF2A470V C ELECTRO 100V RSS 47MF 10X16 TP C409 CEXF2E330V C ELECTRO 250V RSS 33MF 13X25 TP C410 CEXF2C220V C ELECTRO 160V RSS 22MF 10X20 TP C411 CEXF2E100V C ELECTRO 250V RSS 10MF 10X20 TP C415 CEXF1E102C C ELECTRO 25V RUS 1000MF 13X20 TP C806 CCXB3A472K C CERA 1KV B 4700PF K TAPPING C807 CCXB3A472K C CERA 1KV B 4700PF K TAPPING C808 CCXB3A472K C CERA 1KV B 4700PF K TAPPIN...

Page 29: ...1 6 E080 4856310300 EYE LET BSR T0 2 R1 6 E081 4856310300 EYE LET BSR T0 2 R1 6 E082 4856310300 EYE LET BSR T0 2 R1 6 E083 4856310300 EYE LET BSR T0 2 R1 6 E084 4856310300 EYE LET BSR T0 2 R1 6 E085 4856310300 EYE LET BSR T0 2 R1 6 E086 4856310300 EYE LET BSR T0 2 R1 6 E087 4856310300 EYE LET BSR T0 2 R1 6 E088 4856310300 EYE LET BSR T0 2 R1 6 E089 4856310600 EYE LET BSR T0 2 R2 3 E090 4856310600 ...

Page 30: ...F408 CEXF1V221V C ELECTRO 35V RSS 220MF 10X12 5 TP CF413 CEXF1C330V C ELECTRO 16V RSS 33MF 6 3X7 TP CS801 CCXF3A472Z C CERA 1KV F 4700PF Z T CS802 CCXF3A472Z C CERA 1KV F 4700PF Z T CS805 CCXB2H101K C CERA 500V B 100PF K TAPPING CS808 CEXF1C221V C ELECTRO 16V RSS 220MF 8X11 5 TP CS809 CEXF1C101V C ELECTRO 16V RSS 100MF 6 3X11 TP CS810 CCXB2H101K C CERA 500V B 100PF K TAPPING F801A 4857415001 CLIP ...

Page 31: ... J829 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J830 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J831 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J832 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J833 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J834 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J835 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J836 85801065GY WIRE COPPER ...

Page 32: ...ON FILM 1 2 100 OHM J R828 RD 2Z752J R CARBON FILM 1 2 7 5K OHM J R829 RD 4Z223J R CARBON FILM 1 4 22K OHM J R830 RD 4Z472J R CARBON FILM 1 4 4 7K OHM J R831 RC 2Z565KP R CARBON COMP 1 2 5 6M OHM K R834 RD 4Z472J R CARBON FILM 1 4 4 7K OHM J R838 RD 4Z513J R CARBON FILM 1 4 51K OHM J R839 RD 4Z102J R CARBON FILM 1 4 1K OHM J R840 RD 4Z472J R CARBON FILM 1 4 4 7K OHM J R842 RD 4Z303J R CARBON FILM ...

Page 33: ...CERA 50V Y5V 0 01MF Z 2012 CCP54 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 CCP60 HCQK102JCA C CHIP CERA 50V CH 1000PF J 2012 CCP61 HCQK102JCA C CHIP CERA 50V CH 1000PF J 2012 CCP65 HCQK471JCA C CHIP CERA 50V CH 470PF J 2012 I101 1TDA9885T IC IF TDA9885T IP01 1TDA9885T IC IF TDA9885T IP03 1SDA9489 IC PIP SDA9489 JC101 HRFT000 CA R CHIP 1 10 0 OHM 2012 JCP01 HRFT000 CA R CHIP 1 10 0 OHM 2012 JCP0...

Page 34: ...CMXM2A473J C MYLAR 100V 0 047MF J TP CP23 CMXM2A473J C MYLAR 100V 0 047MF J TP CP25 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP CP26 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP CP27 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP CP28 CEXF1E101V C ELECTRO 25V RSS 100MF 6 3X11 TP X101 5XEX4R000C CRYSTAL QUARTZ HC 49 U 4 000MHZ 20PPM TP XP02 5XEX4R000C CRYSTAL QUARTZ HC 49 U 4 000MHZ 20PPM TP ZZ200 PTPMJAD537...

Page 35: ...EAT SINK ASS Y TKTA1659Y 7174300811 0001 TKTA1659AY TR KTA1659AY 000A 4857026900 HEAT SINK AL EX 000B 7174300811 SCREW TAPPTITE TT2 RND 3X8 MFZN Q909 PTB2SW6900 HEAT SINK ASS Y TKTC4370Y 7174300811 0000A 4857026900 HEAT SINK AL EX 0000B 7174300811 SCREW TAPPTITE TT2 RND 3X8 MFZN 001 TKTC4370AY TR KTC4370AY SCT1 4859303730 SOCKET CRT ISD 07S SW801 5S40000003 SW POWER PUSH SS 160 7 G ZZ200 PTUNJ0D71...

Page 36: ...M J R980 RD AZ102J R CARBON FILM 1 6 1K OHM J R985 RD AZ101J R CARBON FILM 1 6 100 OHM J LOC PART CODE PART NAME PART DESCRIPTION REMARK SW8 5S50101Z90 SW TACT THVV502GDA ZZ200 PTUNJAD713 PCB UNION AXIAL AS DSC 3261HA A001 4859808260 PCB UNION 246X246 DIB C902 CCZB1H102K C CERA 50V B 1000PF K AXIAL C908 CCZB1H561K C CERA 50V B 560PF K C909 CCZF1H103Z C CERA 50V F 0 01MF Z C931 CCZB1H101K C CERA 50...

Page 37: ...AZ331J R CARBON FILM 1 6 330 OHM J RF03 RD AZ471J R CARBON FILM 1 6 470 OHM J RF04 RD AZ561J R CARBON FILM 1 6 560 OHM J RF05 RD AZ102J R CARBON FILM 1 6 1K OHM J RF06 RD AZ222J R CARBON FILM 1 6 2 2K OHM J RY03 RD 4Z112J R CARBON FILM 1 4 1 1K OHM J RY04 RD 4Z331J R CARBON FILM 1 4 330 OHM J RY05 RD 4Z331J R CARBON FILM 1 4 330 OHM J Part List ...

Page 38: ...37 7 Mechanical Exploded View ...

Page 39: ...38 8 Printed Circuit Board ...

Page 40: ...39 Printed Circuit Board ...

Page 41: ...40 Printed Circuit Board ...

Page 42: ...41 9 Schematic Diagram ...

Page 43: ...42 Schematic Diagram ...

Page 44: ...43 Schematic Diagram ...

Page 45: ...NEC Corporation 7 1 SHIBA 5 CHOME MINATO KU TOKYO 108 8001 JAPAN ...

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