Sony KV-20S90 manuals
TV and Video > CRT Television
When we buy new device such as Sony KV-20S90 we often through away most of the documentation but the warranty.
Very often issues with Sony KV-20S90 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in CRT Television Sony KV-20S90 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for CRT Television on our side using links below.
Sony KV-20S90 Service Manual
94 pages 8.48 Mb
BA-4D SERVICE MANUAL TRINITRON COLOR TELEVISIONKV-20S90 / 21SE43C 2 TABLE OF CONTENTSKV-20S90 / 21SE43CTelevision system Channel coverage Picture tube Visible screen size Actual screen size Antenna Supplied Accessories Optional Accessories 3 SPECIFICATIONS4 !! 5 SAFETY CHECK-OUTTo Exposed Metal Parts on Set 0.15 F 1.5 K AC Voltmeter (0.75 V) Earth GroundTrouble Light AC Outlet Box Ohmmeter Cold-water Pipe SELF-DIAGNOSTIC FUNCTION 6 Self DiagnosisKV-20S90 / 21SE43C 9 1-4. PICTURE TUBE REMOVALANODE CAP REMOVAL PROCEDURE HOW TO HANDLE AN ANODE CAP 10 SECTION 2: SET-UP ADJUSTMENTS2-1. BEAM LANDING ADJUSTMENT PROCEDURE 2-2. CONVERGENGE VERTICAL STATIC CONVERGENCE 11 Center dotV.STAT magnet 12 DYNAMIC CONVERGENCE ADJUSTMENTSCREEN-CORNER CONVERGENCE 2-3. FOCUS 2-4. SCREEN (G2) 13 2-5. METHOD OF SETTING THE SERVICE ADJUSTMENT MODE SERVICE MODE PROCEDURESERVICE ADJUSTMENT MODE INMode Display Item Item Data SERVICE HSIZ 0Mode WRITE ENTER Green Red MUTING SERVICE 2-6. WHITE BALANCE ADJUSTMENTS 14 HOLD-DOWN READJUSTMENTABL + IABL T504 FBT range - ampmeter 3.0 mA DC A 3-2. B+ VOLTAGE CONFIRMATION AND ADJUSTMENT PREPARATION BEFORE CONFIRMATION HOLD-DOWN OPERATION CONFIRMATIONIC521 15 Figure 1X AMMETER 3mA dc range A TP600 R582 C574 T504 FBT Pin 11 POWER SUPPLY 1SS119 DIGITAL MULTIMETER 16 4-1. SETTING THE SERVICE ADJUSTMENT MODESERVICE ADJUSTMENT MODE ONENTER VOLUME (+)Mode Carry out Step 1 when adjusting IDs 0-7 and when replacing and adjusting IC003 SERVICE RESET 4-2. MEMORY WRITE CONFIRMATION METHOD 4-3. REMOTE ADJUSTMENT BUTTONS AND INDICATORS SECTION 4: CIRCUIT ADJUSTMENTS ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER 17 ADJUSTMENT ITEMS (1 OF 2)* = TV/VIDEO = 0 * = TV/VIDEO = 0 ** = TV = 0, VIDEO = 1 18 ID MAPADJUSTMENT ITEMS (2 OF 2) 4-4. A BOARD ADJUSTMENTS H. FREQUENCY ADJUSTMENT 19 V. FREQUENCY CHECKSUB CONTRAST ADJUSTMENT (RDRV) DISPLAY POSITION ADJUSTMENT (DISP) SUB BRIGHT ADJUSTMENT (SBRT) SUB HUE, SUB COLOR ADJUSTMENT (SHUE, SCOL) 20 V. SIZE ADJUSTMENT (VSIZ)V. CENTER ADJUSTMENT (VPOS) H. CENTER ADJUSTMENT (HPOS) V. LINEARITY (VLIN), V. CORRECTION 21 5-2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM INFORMATION5-1. CIRCUIT BOARDS LOCATION REFERENCE INFORMATION SECTION 5: DIAGRAMS 22 5-3. BLOCK DIAGRAM AND SCHEMATICS BLOCK DIAGRAMDY ASSYTUNER/IF,AUDIO,MTS TUNING CONTROL, Y/C/J POWER SUPPLY,DEFLECTION, {} 23 J17 18 19 BA4D-905-A CN1751 INTP503 TP001 HEATER DEFLECTION <TUNING CONTROL>FV OUT :40 HOLD DOWN MTZJ-T-77-8.2B ERC06-15S IC602 Q601 T504 D501 CN602 CN601 D611 D574 D54112 6 8 1 2 3 4 12345 23 1 2 3 4 5 6 7 K L M N O P A BOARD SCHEMATIC DIAGRAM+5VSET-5V STEREO RF AGC AFT OUT DATA CLOCK0-MARKER O-VMLV 0-BBE/MB I-SSW I-AFT2 0-SRS2 O-SRS1 YS1 YUVSW C1TP101 NC IO-SCLKN IO-BCLKN I-STEREN I-BINTN O-V0 O-SAP O-YM I-AFT I-HLF O-V1 B DAT B INT V DY -R-SWITCH 100 :ZZ-CP IC301 IC200 R255 D65010 11 12 13 14 15 16 17 18 19 20 21 22 23 24 252627282930313233343536373839404142434445464748 10 11 12 13 5678 CN203 CN402 D552 D561 D562 D201 D205 D302 D571 D581 R293 CN502D209 CN401 D038 D204 D203 J202 J201 IC001 J400 R291 Q252 Q205 Q203 Q302 Q301 Q650 Q394 Q393 Q392 Q300 Q391 Q670 Q501 Q571 Q605 IC401 IC201 IC002 IC004 IC521 D572 IC003 MTZJ-T-77-5.1C MTZJ-T-77-30D GP08DPKG23 RGP10GPKG23 RGP15GPKG23 4P 10k 6P :S-MICROEGP20DPKG23 FRONT A/V REAR A/V M37273MF-255SP CXA2133BS Y.CHROMA.JUNGLE 4.7k AGC MUTE 2SD1292-T103 5V REG 2SD601A-QRS-TX HP PROTECT 2SD774-T-34 RELAY DRIVER 2SC3209LK-TP H DRIVE 2SA1091O-TPE2 OCP 2SD2137-OP-TA 9V REG :1D 2SC3311A SW TDA7057AQ/N2 AUDIO AMP L-SWITCH :HT NJM78LR05BM-TE2 STBY 5V SBX3081-71 SIRCS NJM4558M-TE2 V HOLD OUT :HA ERROR AMP :HD TEMP CORR M24C08-MN6T(A) MEMORY V DY + SP L + SP L -V MID RF-AGC SP901 (R) SP902 I-HP I-CVIN I-CNVSS I-DSC O-OSC Vss O-R O-G O-B O-OSDBLK IO-BDAT I-RESET Vcc B CLK<FOR JIG> (20V ONLY) G2 (20V ONLY) Y/C/J POWER SUPPLY TUNER/IF AUDIO MTSCONTROL TUNING SYSTEM IO-SDAT I-VHOLD TO AC CONNECTOR TO DGC VSET+9V H.DRIVE DET OUT BLUE OUT H OUT DRIVE+ BOOST DRIVE- VCC- APED EW SCL SDA EYIN ABLFIL VC1 VI 1 VCC VI 2 S GND VC 2 OUT 2+ PGND 2 OUT 2- OUT 1- PGND 1 OUT 1+ SP R + SP R -SCP-13V +13V I-VPN O-VOL O-ADJ O-MUTE I-RMCN I-HSYNC I-PROT I-POWERN O-LED I-AVCC I-KEY O-DGC O-CHBLK1 0-MONO TP100 TP102 TP602 TP300 TP507 TP506 TP504 TP501 TP502 TP601 TP500 TP400 ABLIN MONOUT COMB C YCLAMP COMB Y GND1 IREF VD+ VD- VM REG HP/PROTECT HD AFCFIL IKIN ROUT GOUT BOUT XTAL1 XTAL2 XTAL3 TV/C2 CVBS2/Y2 GND2 EB-YIN ER-YIN VCC1 R2IN G2IN B2IN YS2/YM R1IN G1IN B1IN B G R 1K 200V CN1752ENABLE IF OUT OUT DET OUT2 DET OUT ST LED SAP LED MODE F MONO SMD MUTE R OUT L OUT VCC 30V VCC 5V S OUT L TU101 FSS BTF-WA412 30V +13V SET-5V 24 (*) A BOARD VARIANT MODEL LIST25 A BOARD IC VOLTAGE LIST IC541: AN5522 IC521: NJM4558M-TE2 A BOARD IC BLOCK DIAGRAMS 26 IC301: CXA2133BS27 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 [TUNING CONTROL, Y/C/J, POWER SUPPLY, DEFLECTION, TUNER/IF, AUDIO, MTS] TRANSISTOR CRYSTALS A BOARD LOCATOR LIST 28 1 | 2 | 3 | 4 | 5 | 6 |C BOARD SCHEMATIC DIAGRAMRBG DRIVER )CN1752 CN1751 CV KR G1 G4 HV H KG G2 KBJ1751 CN1754 CN1753 IC1751 :PIN-J 1P 6P :S-MICRO 5P :S-MICRO TDA6108JF/N1B CRT DRIVER CRT CRT DRIVE ( 29 1 | 2 | 3 | 4 | 5 | C BOARD WAVEFORMS C BOARD IC VOLTAGE LISTIC1751 PIN VOLT 1 2.1 2 2.2 3 2.1 4 GND 5 3.7 6 193.4 7 146.5 8 133.8 9 134.91 148.4V p-p (H) 2 118.8V p-p (H) 3 122.5V p-p (H) 30 5-4. SEMICONDUCTORS31 SECTION 6: EXPLODED VIEWS* 6-1. CHASSIS (KV-20S90/21SE43C) 32 SECTION 7: ELECTRICAL PARTS LIST* 39 Sony Corporation40 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | A BOARD SCHEMATIC DIAGRAM+5V 30VSTEREO RF AGC AFT OUT DATA CLOCK0-MARKER O-VMLV 0-BBE/MB I-SSW I-AFT2 0-SRS2 O-SRS1 C1TP101 NC IO-SCLKN IO-BCLKN I-STEREN I-BINTN O-V0 O-SAP O-YM I-AFT I-HLF APED B DAT B INTRF-AGC R-SWITCH 100 :ZZ-CP IC003 IC200 D038 R255 D650 CN203 D201 D205 R293 D209 D204 D203 J202 J201 IC001 R291 Q252 Q205 Q650 Q391 IC201 MTZJ-T-77-30D 4P 10k FRONT A/V MTZJ-T-77- 1 REAR A/V M37273MF-255SP 4.7k AGC 2SD1292-T103 5V REG L-SWITCH :HT M24C08-MN6T(A) MEMORYI-HP I-CVIN I-CNVSS I-DSC O-OSC Vss O-R O-G O-B O-OSDBLK IO-BDAT I-RESET Vcc B CLK<FOR JIG> CONTROL TUNING SYSTEM IO-SDAT I-VHOLD V VDET OUT I-VPN O-VOL O-ADJ O-MUTE I-RMCN I-HSYNC I-PROT I-POWERN O-LED I-AVCC I-KEY O-DGC O-CHBLK1 0-MONO TP100 TP102 TP602 ABLIN XTAL1 XTAL2 XTAL3O-RELAY 0-SPSW 0-ANTSW 0-AGCMUTE 0-HSYNCSW A ENABLE IF OUT OUT DET OUT2 DET OUT ST LED SAP LED MODE F MONO SMD MUTE R OUT L OUT VCC 30V VCC 5V S OUT L TU101 FSS BTF-WA412 SET-5V 41 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 CN1752 VDY+4 5 6 7 8 9 2526272829303132333435363738394041424344 10 11 12 YUVSW SCP EW IC301 Z CN401 CN402 D302 J400 Q203 Q302 Q301 Q394 Q393 Q392 Q300 IC401 MTZJ-T-77-5.1C J-T-77-10B CXA2133BS Y.CHROMA.JUNGLE MUTE 2SD601A-QRS-TX HP PROTECT TDA7057AQ/N2 AUDIO AMP SP L + SP L -SP901 (R) SP902 SCL SDA EYIN ABLFIL VC1 VI 1 VCC VI 2 S GND VC 2 OUT 2+ PGND 2 OUT 2- OUT 1- PGND 1 OUT 1+ SP R + SP R -TP400 MONOUT COMB C YCLAMP COMB Y GND1 IREF VD+ VD- VM REG HP/PROTECT HD AFCFIL IKIN ROUT GOUT BOUT TV/C2 CVBS2/Y2 GND2 EB-YIN ER-YIN VCC1 R2IN G2IN B2IN YS2/YM R1IN G1IN B1IN YS1 B G R 1K 23 42 JINERC06-15S IC602 Q601 D501 CN602 CN601 D611 K L M N O P123 56 Q670 Q501 Q605 IC002 IC004 2SD774-T-34 RELAY DRIVER 2SC3209LK-TP H DRIVE 2SD2137-OP-TA 9V REG :1D 2SC3311A SW NJM78LR05BM-TE2 STBY 5V SBX3081-71 SIRCS ERROR AMP :HD TO AC CONNECTOR TO DGC STBY+5V +B 43 <TUNING CONTROL>D541 DEFLECTION HEATERREF :40 HOLD DOWN MTZJ-T-77-8.2B D573 IC521 CN502V DY -180V D574 D561 D562 D571 D581 T504 Q571 D572 GP08DPKG23 RGP10GPKG23 RGP15GPKG23 6P :S-MICROEGP20DPKG23 2SA1091O-TPE2 OCP NJM4558M-TE2 V HOLD OUT :HA TEMP CORR V DY +V MID (20V ONLY) G2 (20V ONLY) Y/C/J POWER SUPPLY TUNER/IF AUDIO MTSH OUT DRIVE+ BOOST VCC--13V +13V TP507 TP506 TP504 TP501 TP502 200V CN1751 BA4D-905-A +13V 46 WARNINGNote to the CATV Installer SAFETY PRECAUTIONS CAUTION 47 NOTIFICATIONProtecting the TV Note on Caption Vision Owners Record Trademarks and Copyrights 48 Important SafeguardsWARNING UsePower Sources Grounding or Polarization For the set with a polarized AC power cord plug Alternate Warning For the set with a three-wire grounding type AC plug Overloading Object and Liquid Entry Attachments Cleaning 49 InstallationWater and Moisture 50 AccessoriesVentilation Power-Cord Protection Grounding or Polarization 51 AntennasOutdoor Antenna Grounding Antenna Grounding According to the NEC Lightning 52 ServiceDamage Requiring Service Servicing Replacement Parts Safety Check 54 Contents56 Introduction58 Connecting Your TV64 Using the Remote Control and Basic Functions68 Using the Menus80 Other Information84 IndexPRINTING THE SERVICE MANUAL 92 T 94 BA-4DTRINITRON COLOR TELEVISION
Also you can find more Sony manuals or manuals for other TV and Video.