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Sony KV-21FS105 Service Manual

Trinitron color television.
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

SERVICE MANUAL

MODEL NAME
KV-21FS105
ORIGINAL MANUAL ISSUE DATE: 3/2004
ALL REVISIONS AND UPDATES TO THE ORIGINAL MANUAL ARE APPENDED TO THE END OF THE PDF FILE.
REVISION DATE
3/2004
9-965-958-01
REMOTE COMMANDER
RM-Y173
SUBJECT
No revisions or updates are applicable at this time.
BA-5
DESTINATION
BRAZIL
®
TRINITRON
COLOR TELEVISION
CHASSIS

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Table of Contents

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   Summary of Contents for Sony KV-21FS105

  • Page 1: Service Manual

    HISTORY INFORMATION FOR THE FOLLOWING MANUAL: BA-5 SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION KV-21FS105 RM-Y173 BRAZIL ORIGINAL MANUAL ISSUE DATE: 3/2004 ALL REVISIONS AND UPDATES TO THE ORIGINAL MANUAL ARE APPENDED TO THE END OF THE PDF FILE. REVISION DATE SUBJECT 3/2004 No revisions or updates are applicable at this time.
  • Page 2: Service Manual

    Self Diagnosis Supported model BA-5 SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION KV-21FS105 RM-Y173 BRAZIL KV-21FS105 RM-Y173 ® TRINITRON COLOR TELEVISION 9-965-958-01...
  • Page 3: Table Of Contents

    KV-21FS105 TABLE OF CONTENTS SECTION TITLE PAGE SPECIFICATIONS........................4 WARNINGS AND CAUTIONS ....................5 SAFETY CHECK-OUT ....................... 6 SELF-DIAGNOSTIC FUNCTION ....................7 SECTION 1: DISASSEMBLY......................9 1-1. Rear Cover Removal......................9 1-2. Chassis Assembly Removal....................9 1-3. Service Position ......................... 9 1-4.
  • Page 4: Specifications

    SRS (SOUND RETRIEVAL SYSTEM) is manufactured TruSurround is a trademark of SRS Labs, Inc. SRS and the SRS by Sony Corporation under license from SRS Labs, Inc. It is symbol are registered trademarks of SRS Labs, Inc. in the United covered by U.S.
  • Page 5: Warnings And Cautions

    Replace these components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony. Circuit adjustments that are critical for safe operation are identifi ed in this manual. Follow these procedures whenever critical components are replaced or improper operation is suspected.
  • Page 6: Safety Check-out

    KV-21FS105 SAFETY CHECK-OUT Leakage Test After correcting the original service problem, perform the following safety The AC leakage from any exposed metal part to earth ground and from all checks before releasing the set to the customer: exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes).
  • Page 7: Self-diagnostic Function

    KV-21FS105 Self Diagnosis SELF-DIAGNOSTIC FUNCTION Supported model The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER LED will automatically begin to fl ash. The number of times the LED fl ashes translates to a probable source of the problem. A defi nition of the STANDBY/TIMER LED fl ash indicators is listed in the instruction manual for the user’s knowledge and reference.
  • Page 8 KV-21FS105 To Bring Up Screen Test In standby mode, press buttons on the Remote Commander sequentially, in rapid succession, as shown below: Channel 5 Sound volume - Power ON. DISPLAY SELF DIAGNOSIS 3: NA Numeral “0” means that no fault was detected.
  • Page 9: Section 1: Disassembly

    KV-21FS105 SECTION 1: DISASSEMBLY 1-1. REAR COVER REMOVAL Screw +BVTP 4x16 Screw +BVTP 4x16 Rear Cover Screw +BVTP 4x16 Screw +BVTP 4x16 1-2. CHASSIS ASSEMBLY REMOVAL CB Board 1-3. SERVICE POSITION CB Board MB Board A Board Claw MB Board...
  • Page 10: Picture Tube Removal

    KV-21FS105 1-4. PICTURE TUBE REMOVAL WARNING: BEFORE REMOVING THE ANODE CAP High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, Coated discharge CRT before attempting to remove the anode cap. Short between anode and CRT Earth coated earth ground strap.
  • Page 11: Section 2: Set-up Adjustments

    KV-21FS105 SECTION 2: SET-UP ADJUSTMENTS The following adjustments should be made when a complete Perform the adjustments in order as follows: realignment is required or a new picture tube is installed. Beam Landing Convergence These adjustments should be performed with rated power supply Focus voltage unless otherwise noted.
  • Page 12: Convergence

    KV-21FS105 2-2. CONVERGENCE Horizontal Static Convergence Preparation: If the blue dot does not converge with the red and green dots, perform • Perform FOCUS, V. LIN and V. SIZE adjustments. the following: • Set BRIGHTNESS control to minimum. 1 Move BMC magnet (a) to correct insuffi cient H.Static convergence.
  • Page 13: Focus

    KV-21FS105 Dynamic Convergence Adjustment Screen-Corner Convergence Before performing this adjustment, perform Horizontal and Vertical Static 1. Affi x a permalloy assembly corresponding to the misconverged areas. Convergence Adjustments. Preparation: 1. Slightly loosen defl ection yoke screw. 2. Remove defl ection yoke spacers.
  • Page 14: Method Of Setting The Service Adjustment Mode

    KV-21FS105 2-5. METHOD OF SETTING THE SERVICE 2-6. WHITE BALANCE ADJUSTMENTS ADJUSTMENT MODE 1. Input an entire white signal with burst. 2. Set to Service Adjustment Mode. Service Mode Procedure 3. Set CDOL to “0” 4. Set the PICTURE and BRIGHTNESS to minimum.
  • Page 15: Section 3: Safety Related Adjustments

    KV-21FS105 SECTION 3: SAFETY RELATED ADJUSTMENTS 3-1. X R562 CONFIRMATION METHOD Hold-Down Readjustment (HOLD-DOWN CONFIRMATION) AND If the setting indicated in Step 2 of Hold-Down Operation Confi rmation READJUSTMENTS cannot be met, readjustment should be performed by altering the resistance value of the R562 component marked with X.
  • Page 16 KV-21FS105 FIGURE 1 DIGITAL POWER MULTIMETER SUPPLY – – 1SS119 R562 C546 T505 ABL11 AMMETER 3mA dc range – KV-21FS105...
  • Page 17: Section 4: Circuit Adjustments

    KV-21FS105 SECTION 4: CIRCUIT ADJUSTMENTS ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER Use the Remote Commander (RM-Y173) to perform the circuit adjustments in this section. Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator 4-1. SETTING SERVICE ADJUSTMENT MODE 4-2.
  • Page 18: Service Data Lists

    KV-21FS105 4-4. SERVICE DATA LISTS AVERAGE Reg # ITEM FUNCTION RANGE DATA NTSC PAL M PAL N VIDEO DATA HSIZ Horizontal Size Adjustment 0-63 HPOS Horizontal Position Adjustment 0-63 VBOW Vertical Line Bowing Adj. 0-15 VANG Vertical line Bowing Slant Adj.
  • Page 19: Id Map Table

    KV-21FS105 AVERAGE Reg # ITEM FUNCTION RANGE DATA NTSC PAL M PAL N VIDEO DATA Vertical Sync Slice Level Horizontal Sync Slice Level HMSK VTMS Select Signal VTIM Pin CDMD Vertical Count Down Mode Switching AFC Loop Gain Switching FIFR...
  • Page 20: Mb Board Adjustments

    KV-21FS105 4-6. MB BOARD ADJUSTMENTS Display Position Adjustment (DISP) 1. Input a color-bar signal. H. Frequency (Free Run) Check 2. Set to Service Adjustment Mode. 3. Select DISP with 1 and 4 . 1. Input a TV mode (RF) with no signal.
  • Page 21 KV-21FS105 V. Size Adjustment (VSIZ) H. Size Adjustment (HSIZ) 1. Input a crosshatch signal. 1. Input a monoscope signal. 2. Activate the Service Adjustment Mode. 2. Activate the Service Adjustment Mode. 3. Select the VSIZ item with 1 and 4 .
  • Page 22: Service Adjustment Mode Memory

    KV-21FS105 V. Angle (VANG), V. Bow (VBOW), Upper pin (UPIN) and Low Pin (LPIN) Adjustments 1. Input a crosshatch signal. 2. Activate the Service Adjustment Mode. 3. Select VANG, VBOW, UPIN, and LPIN with 1 and 4 . 4. Adjust with 3 and 6 for the best picture.
  • Page 23: Section 5: Diagrams

    KV-21FS105 SECTION 5: DIAGRAMS 5-1. CIRCUIT BOARDS LOCATION The components identifi ed by shading and symbol are critical for safety. Replace only with part number specifi ed. The symbol indicates a fast operating fuse and is displayed on the component side of the board. Replace only with fuse of the same rating as marked.
  • Page 24: Block Diagrams And Schematics

    KV-21FS105 5-3. BLOCK DIAGRAMS AND SCHEMATICS BLOCK DIAGRAMS (1 OF 2) J201 S-VIDEO J204 J202 FRONT A/V INPUT (POWER SUPPLY) (DEFLECTION) (TUNER/IF) (AUDIO) (MTS) SPSW TU101 STBY 7.5V STBY 7.5V TUNER I-PROT RELAY MUTE DATA SEL1 CN2002 CLOCK SEL0 F MONO...
  • Page 25: Block Diagrams (2 Of 2)

    KV-21FS105 BLOCK DIAGRAMS (2 OF 2) CN1002 FOR JIG STBY +5V VIDEO SW HSYNCH SW DIG COMB IC1304 IC1002 FILTER IC1302 IC1305 VIDEO1 (TUNING CONTROL) (Y/C/J) RESET MEMORY IC1003 4 10 BUFFER Q1001 BUFFER Q1010 HSYNCH Q1009 CVBS2 O-SEL1 O-SEL0...
  • Page 26: A Board Schematic Diagram

    KV-21FS105 A BOARD SCHEMATIC DIAGRAM J204 A BOARD WAVEFORMS STEREO D234 tu101 C212 R403 UDZS-TE17-9.1B — 4.7k TP100 Q402 R228 R224 R229 2SB709A 470k RF-AGC 4.7k 470k R406 BUFFER R404 1.08 KVp-p (H) 4.7k 2.5 Vp-p (H) 182.8 Vp-p (H) 23.4 Vp-p (H)
  • Page 27 KV-21FS105 A BOARD IC VOLTAGE LIST A BOARD TRANSISTOR VOLTAGE LIST A BOARD LOCATOR LIST CONDUCTOR SIDE 13.3 DIODE DIODE IC401 IC406 IC501 volt 14.1 volt volt D204 D623 IC601 IC604 Q101 Q506 volt volt D208 D624 Q410 Q507 -31.8 13.3...
  • Page 28 KV-21FS105 [<TUNING CONTROL>, Y/CJ, POWER SUPPLY, DEFLECTION, TUNER IF, AUDIO, MTS] COMPONENT SIDE KV-21FS105...
  • Page 29 KV-21FS105 [<TUNING CONTROL>, Y/CJ, POWER SUPPLY, DEFLECTION, TUNER IF, AUDIO, MTS] CONDUCTOR SIDE KV-21FS105...
  • Page 30: Mb Board Schematic Diagram

    KV-21FS105 MB BOARD SCHEMATIC DIAGRAM MB BOARD WAVEFORMS CN1004 CN1003 TO A BOARD TO A BOARD CN2002 CN2009 2.7 Vp-p (8 MHz) 1.0 Vp-p (H) C1030 R1106 D1006 4.7 Vp-p (H) 4.0 Vp-p (V) CHIP MA111-TX STBY-7.5V — R1314 VIDEO R1082 4.7k...
  • Page 31 KV-21FS105 MB BOARD IC VOLTAGE LIST MB BOARD TRANSISTOR VOLTAGE LIST IC1001 IC1301 IC1304 Q1001 Q1011 Q1308 Q1315 Q1327 Q1332 volt volt volt volt volt volt volt volt volt Q1002 Q1301 Q1310 Q1316 Q1328 Q1336 volt volt volt volt volt...
  • Page 32 KV-21FS105 [TUNING CONTROL, MICROPROCESSOR, Y/C JUNGLE] COMPONENT SIDE [TUNING CONTROL, MICROPROCESSOR, Y/C JUNGLE] CONDUCTOR SIDE MB BOARD LOCATOR LIST CONDUCTOR SIDE DIODE TRANSISTORS TRANSISTORS D1001 Q1001 Q1317 D1005 Q1002 Q1325 D1006 Q1003 Q1326 D1010 Q1009 Q1327 D1011 Q1010 Q1328 D1012...
  • Page 33: Cb Board Schematic Diagram

    KV-21FS105 CB BOARD SCHEMATIC DIAGRAM R718 CN704 TO A BOARD R716 T505 100k 1/2W — FOCUS G4 HV KR G1 TO A BOARD J701 T505 CN702 G1-1 :PIN-J C707 TO CRT 0.0047 RV701 V STAT CONTROL 110M G1-3 G1-2 TAB(CONTACT) —...
  • Page 34 KV-21FS105 [CRT DRIVE, RGB DRIVE] COMPONENT SIDE KV-21FS105...
  • Page 35 KV-21FS105 [CRT DRIVE, RGB DRIVE] CONDUCTOR SIDE KV-21FS105...
  • Page 36: Semiconductors

    KV-21FS105 5-4. SEMICONDUCTORS 2SC331740S-QRT 2SC3209LK-TP 2SA1309A-QRT 2SB709A-QRS-TX 2SC3311A-QRSTA 2SD601A-QRS-TX 2SD2144S-TP-UVW 2SC2412K-T-146-QR 2SA1091O-TPE2 2SK2845-LB102 2SA1837 2SA993AS-QRT 2SC4159-E ERC06-15S 1SS83TD RD9.1EW-T1 1SS133T-77 MTZJ-T-77-5.1C D1NL2OU-TA D1N2OR-TA MTZJ-T-775.6C EL1Z-V1 D1NS4-TA MTZJ-T-77-7.5A ERA22-08TP3 MTZJ-T-7712C MTZJ-T-77-8.2B GP08DPKG23 MTZJ-T-77-39 MTZJ-T-77-10B RGP10GPKG23 RD8.2ES-T1B MTZJ-T-7730D RU4AM-T3 RD10ES-T1B D2SB60A-F04 DAP202K-T-146...
  • Page 37: Section 6: Exploded Views

    3-703-574-00 RETAINER, DOOR 4-041-203-01 HOLDER, HV CABLE 4-074-895-22 LABEL, FRONT TERMINAL (20) 1-453-316-21 FBT ASSY NX-1748//X4A4 [20-22] 4-046-161-11 EMBLEM, SONY NO.8 1-251-642-52 CAP ASSY, HIGH-VOLTAGE 4-073-933-12 GUIDE, LED 1-900-800-65 CONNECTOR ASSY, FOCUS LEAD 4-073-931-22 BUTTON, MULTI 1-900-803-22 WIRE ASSY, G2 LEAD...
  • Page 38: Section 7: Electrical Parts List

    KV-21FS105 SECTION 7: ELECTRICAL PARTS LIST NOTE: The components identifi ed by shading RESISTORS The components in this manual identifi ed by the following mark are critical for safety. Replace only symbol: indicate parts that have been carefully factory- • All resistors are in ohms with part number specifi...
  • Page 39 KV-21FS105 NOTE: The components identifi ed by shading mark are critical for safety. Replace only with part number specifi ed. REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES C646 1-161-964-91 CERAMIC 0.0047µF 250V C647 1-161-964-91 CERAMIC 0.0047µF...
  • Page 40 KV-21FS105 NOTE: The components identifi ed by shading mark are critical for safety. Replace only with part number specifi ed. REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES FB602 1-412-911-11 FERRITE 0µH D516 8-719-991-33 DIODE 1SS133T-77...
  • Page 41 KV-21FS105 NOTE: The components identifi ed by shading mark are critical for safety. Replace only with part number specifi ed. REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES JR524 1-216-295-91 SHORT CHIP Q606 8-729-422-27 TRANSISTOR 2SD601A-Q...
  • Page 42 KV-21FS105 A component identifi ed by this symbol indicates that it NOTE: The components identifi ed by shading has been carefully factory-selected to satisfy regulations mark are critical for safety. Replace only regarding X-ray radiation. Should replacement be required, with part number specifi ed.
  • Page 43 KV-21FS105 A MB NOTE: The components identifi ed by shading mark are critical for safety. Replace only with part number specifi ed. REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES R639 1-249-421-11 CARBON 2.2K 1/4W S2008...
  • Page 44 KV-21FS105 REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES C1023 1-163-009-91 CERAMIC CHIP 0.001µF 10% C1324 1-162-974-11 CERAMIC CHIP 0.01µF C1024 1-164-230-11 CERAMIC CHIP 220pF C1325 1-164-218-11 CERAMIC CHIP 180pF C1026 1-164-230-11 CERAMIC CHIP 220pF C1326...
  • Page 45 KV-21FS105 NOTE: The components identifi ed by shading mark are critical for safety. Replace only with part number specifi ed. REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES C1386 1-164-156-11 CERAMIC CHIP 0.1µF CHIP CONDUCTOR C1387...
  • Page 46 KV-21FS105 REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES Q1327 8-729-422-27 TRANSISTOR 2SD601A-Q R1050 1-216-065-91 RES-CHIP 4.7K 1/10W Q1328 8-729-424-02 TRANSISTOR 2SB709A-QRS-TX R1052 1-216-033-00 RES-CHIP 1/10W Q1329 8-729-424-02 TRANSISTOR 2SB709A-QRS-TX R1053 1-216-033-00 RES-CHIP 1/10W Q1330 8-729-422-27...
  • Page 47 KV-21FS105 REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES R1110 1-216-059-00 RES-CHIP 2.7K 1/10W R1356 1-216-067-00 RES-CHIP 5.6K 1/10W R1111 1-216-077-91 RES-CHIP 1/10W R1357 1-216-043-91 RES-CHIP 1/10W R1300 1-216-049-11 RES-CHIP 1/10W R1358 1-216-057-00 RES-CHIP 2.2K 1/10W...
  • Page 48 KV-21FS105 MB CB NOTE: The components identifi ed by shading mark are critical for safety. Replace only with part number specifi ed. REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES R1402 1-216-065-91 RES-CHIP 4.7K 1/10W DIODE...
  • Page 49 CUSHION ASSY, LOWER 4-076-083-01 CUSHION ASSY, UPPER 4-102-749-51 MANUAL, INSTRUCTION REMOTE COMMANDER 1-477-119-12 REMOTE COMMANDER (RM-Y173) 3-709-322-01 COVER, BATTERY (for RM-Y173) Sony Corporation English Sony Technology Center 2004BJ74WEB-1 Technical Services Printed in USA 9-965-958-01 Service Promotion Department © 2004.2 KV-21FS105...

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