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Sony KV-24FV10 Service Manual
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Sony KV-24FV10 Service Manual

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SERVICE MANUAL
MODEL
KV-24FV10
KV-24FV10
KV-25FV10
KV-25FV10C
MICROFILM
COMMANDER
RM-Y168
RM-Y168
RM-Y168
RM-Y168
KV-24FV10
TRINITRON
BA-4C
DEST
CHASSIS NO.
US
SCC-S22A-A
CND
SCC-S24A-A
E
SCC-S23A-A
E
SCC-S23C-A
RM-Y168
®
COLOR TV
CHASSIS

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Summary of Contents for Sony KV-24FV10

  • Page 1 BA-4C SERVICE MANUAL CHASSIS MODEL COMMANDER DEST CHASSIS NO. KV-24FV10 RM-Y168 SCC-S22A-A KV-24FV10 RM-Y168 SCC-S24A-A KV-25FV10 RM-Y168 SCC-S23A-A KV-25FV10C RM-Y168 SCC-S23C-A KV-24FV10 RM-Y168 ® TRINITRON COLOR TV MICROFILM...

  • Page 2: Specifications

    U/V mixer EAC-66 • The ( ) SRS (SOUND RETRIEVAL SYSTEM) is manufactured by Sony Corporation under license from SRS Labs, Inc. It is covered by U.S. Patent No. 4,748,669. Other U.S. and foreign patents pending. • The word ‘SRS’ and the SRS symbol ( ) are registered trademarks of SRS Labs, Inc.

  • Page 3: Table Of Contents

    KV-24FV10/25FV10/25FV10C TABLE OF CONTENTS Section Title Page Warnings and Cautions ................................4 Self-Diagnostic Function ................................4 Safety Check Out Instructions ..............................7 GENERAL ................................8 DISASSEMBLY 2-1. Rear Cover Removal ..............................14 2-2. A Board Removal ................................14 2-3. Service Position ................................14 2-4.

  • Page 4: Warnings And Cautions

    SECURITE DU FONCTIONNEMENT. NE LES REMPLACER QUE PAR DES SONY PARTS WHOSE PART NUMBERS APPEAR AS COMPOSANTS SONY DONT LE NUMERO DE PIECE EST INDIQUE DANS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS LE PRESENT MANUEL OU DANS DES SUPPLEMENTS PUBLIES PAR SONY.
  • Page 5 KV-24FV10/25FV10/25FV10C Display of Standby/Timer LED Flash Count 2 times 4 times 5 times LED ON 0.3 sec. STANDBY/TIMER LED LED OFF LED OFF 0.3 sec. 3 sec. Diagnostic Item Flash Count* +B overcurrent 2 times Vertical deflection stopped 4 times...
  • Page 6 KV-24FV10/25FV10/25FV10C Handling of Self-diagnostic Screen Display Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen during repairs. When you have completed the repairs, clear the result display to “0”. Unless the result display is cleared to “0”, the self-diagnostic function will not be able to detect subsequent faults after completion of the repairs.

  • Page 7: Safety Check Out Instructions

    KV-24FV10/25FV10/25FV10C SAFETY CHECK-OUT After correcting the original service problem, perform the Leakage Test following safety checks before releasing the set to the The AC leakage from any exposed metal part to earth customer: ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 1.

  • Page 8: General

    SECTION 1 GENERAL The instructions mentioned here are partial abstracts from the Operating Instruction Manual. User Guide The page numbers shown reflect those of the Operating Instruction Manual. Connecting Additional Equipment Connecting Your TV TV and VCR Read this chapter before setting up your TV for the first time. This section covers basic connections in addition to any optional equipment you may be connecting.
  • Page 9 Connecting Your TV User Guide TV and Cable Box TV, VCR, and Cable box Cable box Connect the coaxial cable from the wall to the IN jack on your cable (Optional connection) box. Cable Connect a coaxial cable (not supplied) from the OUT jack on your cable box to the VHF/UHF IN jack on the TV.
  • Page 10 User Guide Connecting Your TV TV, Digital Satellite Receiver and VCR TV and Digital Satellite Receiver Satellite antenna From cable/ antenna Cable Satellite receiver Satellite Satellite receiver antenna cable Connect the cable from your satellite antenna to SATELLITE IN on the satellite receiver.
  • Page 11 User Guide Connecting Your TV Connecting an audio system Connecting a Camcorder Using audio connectors, connect AUDIO OUT on your TV to one of the Using A/V cables, connect AUDIO and VIDEO OUT on your camcorder unused line inputs (e.g. TV, AUX, TAPE 2) on your stereo. to AUDIO and VIDEO IN on your TV.

  • Page 12: Using The Remote Control And Basic Functions

    (see page 29). MUTING Instantly turns off the sound. Press again or press to restore sound. SYSTEM OFF Powers off all Sony equipment at once. TV/VIDEO Cycles through available video inputs. Moves the cursor in the on- screen menus. Press the arrow...

  • Page 13: Troubleshooting

    If, after reading these operating instructions, you have additional questions related to the use of your picture, good Adjust BRIGHTNESS in the VIDEO menu (page 15). Sony television, please call our Direct Response Center at 1-800-222-SONY (7669) (U.S. residents sound Check the antenna and/or cable connections (page 3).

  • Page 14: Disassembly

    KV-24FV10/25FV10/25FV10C SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL Rear Cover Seven Screws (+BVTP 4x16) Two Screws (+BVTP 3x12) 2-2. A BOARD REMOVAL 2-3. SERVICE POSITION C Board V Board C Board G Board V Board A Board A Board G Board...

  • Page 15: Picture Tube Removal

    KV-24FV10/25FV10/25FV10C 2-4. PICTURE TUBE REMOVAL G Board WARNING: BEFORE REMOVING A Board THE ANODE CAP Speaker High voltage remains in the CRT even Degaussing Coil Tuner after the power is disconnected. To avoid electric shock, discharge CRT Tension Spring (B)

  • Page 16: Set-Up Adjustments

    KV-24FV10/25FV10/25FV10C SECTION 3 SET-UP ADJUSTMENTS The following adjustments should be made when Perform the adjustments in order as follows: a complete realignment is required or when a new 1. Beam Landing 2. Convergence picture tube is installed. 3. Focus These adjustments should be performed with rated 4.

  • Page 17: Convergence

    KV-24FV10/25FV10/25FV10C 3-2. CONVERGENCE Horizontal Static Convergence Before starting convergence adjustments: If the blue dot does not converge with the red and green dots, perform the following: 1. Perform FOCUS, V.LIN AND V.SIZE adjustments. 1. Move BMC magnet (a) to correct insufficient H. Static 2.

  • Page 18: Focus

    KV-24FV10/25FV10/25FV10C 3-3. FOCUS TLH Plate Adjustment 1. Adjust FOCUS control for best picture. • Input crosshatch pattern • Adjust PICTURE QUALITY to standard, PICTURE and BRIGHTNESS to 50%, and OTHER to standard. • Adjust the Horizontal Convergence of red and blue dots by tilting the TLH plate on the deflection yoke.

  • Page 19: Method Of Setting The Service Adjustment Mode

    KV-24FV10/25FV10/25FV10C 3-6. WHITE BALANCE ADJUSTMENTS 3-5. METHOD OF SETTING THE SERVICE ADJUSTMENT MODE 1. Input an entire white signal with burst. 2. Set to Service Adjustment Mode. Service Mode Procedure 3. Set DCOL to “0”. 1. Standby mode (power off).

  • Page 20: Safety Related Adjustments

    KV-24FV10/25FV10/25FV10C SECTION 4 SAFETY RELATED ADJUSTMENTS 4-1. R582 AND R584 CONFIRMATION Hold-down Readjustment METHOD (HV HOLD-DOWN If the setting indicated in step 2 of Hold-down Operation CONFIRMATION) AND Confirmation cannot be met, readjustment should be performed READJUSTMENTS by altering the resistance value of R582 and/or R584...
  • Page 21 KV-24FV10/25FV10/25FV10C DIGITAL MULTIMETER – TP600 T505 ABL11 R582 R584 C574 AMMETER POWER DIGITAL 3mA dc range SUPPLY MULTIMETER 1SS119 – – – Figure 1 — 21 —...

  • Page 22: Circuit Adjustments

    KV-24FV10/25FV10/25FV10C SECTION 5 CIRCUIT ADJUSTMENTS ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER Use the Remote Commander (RM-Y168) to perform the circuit adjustments in this section. NOTE: Test Equipment Required: • Pattern generator • Frequency counter • Digital multimeter • Audio oscillator 5-1. Setting the Service Adjustment Mode 5-2.

  • Page 23: Adjustment Items

    KV-24FV10/25FV10/25FV10C Adjustment Items INITIAL DATA DATA PALM/ AVERAGE ITEM FUNCTION RANGE NTSC PALN VIDEO DATA HSIZ HORIZONTAL SIZE ADJ. 0-63 HPOS HORIZONTAL POS. ADJ. 0-63 VBOW VRT LINE BOWING ADJ. 0-15 VANG VRT LINE BOW SLANT ADJ. 0-15 TRAP HORIZ. TRAPEZOID ADJ.
  • Page 24 KV-24FV10/25FV10/25FV10C INITIAL DATA DATA PALM/ AVERAGE ITEM FUNCTION RANGE NTSC PALN VIDEO DATA H SYNC SLICE LEVEL 0, 1 HMSK 0, 1 VTMS SELECT SIGNAL VTIM PIN CDMD V CNT DWN MODE SWITCHING AFC LOOP GAIN SWITCHING FIFR FIELD FREQUENCY...

  • Page 25: Feature Id Map

    KV-24FV10/25FV10/25FV10C Feature ID Map 8. Adjust the value of RDRV with 1.85 ± 0.05 Vp-p. MODEL DEST. ID-0 ID-1 ID-2 ID-3 ID-4 ID-5 ID-6 White KV-24FV10 KV-24FV10 1.85 ± 0.05 Vp-p KV-25FV10 KV-25FV10C Black 5-4. A BOARD ADJUSTMENTS 9. Reset the item DCOL to 1.
  • Page 26 KV-24FV10/25FV10/25FV10C Sub Hue, Sub Color Adjustment (SHUE, SCOL) H. Center Adjustment (HPOS) 1. Input a color-bar signal. Perform this adjustment after performing H. Frequency (Free Run) check. 2. Activate the Service Adjustment Mode. 1. Input a crosshatch signal. 3. Select the DCOL item and set the value to 0.
  • Page 27 KV-24FV10/25FV10/25FV10C 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 4. Adjust with for the best picture.
  • Page 28 KV-24FV10/25FV10/25FV10C NOTES: — 28 —...
  • Page 29 KV-24FV10/25FV10/25FV10C NOTES:...
  • Page 30 KV-24FV10/25FV10/25FV10C NOTES:...

  • Page 31: Diagrams

    KV-24FV10/25FV10/25FV10C SECTION 6 DIAGRAMS 6.2 CIRCUIT BOARD LOCATIONS 6.1 BLOCK DIAGRAM • When replacing parts shown in the table below, be sure to perform the related adjustments. Part Replaced ( Adjustment ( DY, CRT, C507, C520, C573, C574, HV HOLD-DOWN...
  • Page 32 KV-24FV10/25FV10/25FV10C A BOARD SCHEMATIC DIAGRAM (TOP) A BOARD WAVEFORMS A BOARD IC VOLTAGE LIST IC001 IC002 VOLT VOLT 14.2 1.1V p-p (V) 2.1V p-p (V) 4.7V p-p (V) 3.5V p-p (H) IC405 IC402 VOLT VOLT IC003 VOLT 1.1V p-p (V)
  • Page 33 KV-24FV10/25FV10/25FV10C A BOARD SCHEMATIC DIAGRAM (BOTTOM) [TUNING CONTROL, Y/C/J, DEFLECTION, TUNER/IF, AUDIO, MTS] A BOARD TRANSISTOR VOLTAGE LIST Q001 Q002 4.52 8.97 3.89 Q081 Q101 Q200 Q201 Q203 Q204 Q286 Q287 Q288 Q300 Q302 Q305 Q306 Q307 Q308 Q309 Q310...
  • Page 34 KV-24FV10/25FV10/25FV10C G BOARD SCHEMATIC DIAGRAM G BOARD LOCATION LIST G BOARD IC VOLTAGE LIST G BOARD TRANSISTOR DIODE D614 D601 D615 IC601 VOLTAGE LIST IC601 D602 D617 IC602 VOLT D603 D618 TRANSISTOR −56.3 D604 D619 Q601 −58.1 −58.2 −58.5 −58.0...
  • Page 35 KV-24FV10/25FV10/25FV10C V BOARD SCHEMATIC DIAGRAM C BOARD SCHEMATIC DIAGRAM [CRT DRIVE, RGB DRIVE] C BOARD IC VOLTAGE LIST IC1707 VOLT IC1751 VOLT 205.0 145.0 141.0 132.0 All voltages are in V [VELOCITY MODULATION] V BOARD TRANSISTOR VOLTAGE LIST C BOARD WAVEFORMS...
  • Page 36 KV-24FV10/25FV10/25FV10C A BOARD IC BLOCK DIAGRAMS A BOARD: IC404 TDA8580Q/N1 A BOARD IC541 TDA8172 A BOARD: IC301 CXA2131S V P1 V P2 Output A BOARD: IC202 UPC4558M Supply Flyback State Supply Voltage Generator IN 1 45 k FLYBACK OUT1 OUT 1 +...

  • Page 37: Semiconductors

    KV-24FV10/25FV10/25FV10C 6-4. SEMICONDUCTORS 2SC5426-01 2SC3209LK-TP 2SA1309A 2SB709A LETTER SIDE 2SC3311A 2SD601A 2SD2144S 2SA1091O-TPE2 2SK2845 2SA1837 2SD1292 2SC4159-E ERC04-06S 1SS83TD RD9.1EW-T1 1SS133T-77 ERC06-15S D1NL2OU-TA D1N2OR-TA MTZJ-T-77-2.2A EL1Z-V1 D1NS4-TA MTZJ-T-77-5.1C ERA22-08TP3 MTZJ-T-7712C MTZJ-T-775.6C GP08DPKG23 MTZJ-T-77-20B MTZJ-T-77-7.5A RGP02-17PKG23 MTZJ-T-77-33B MTZJ-T-77-8.2B RGP10GPKG3 MTZJ-T-77-39 MTZJ-T-77-10B RGP10GPKG23 RD3.3ES-T1B...

  • Page 38: Exploded View

    REF. NO. PART NO. DESCRIPTION REMARK X-4036-358-1 BEZNET ASSY * A-1311-754-A G (VAR) MOUNTED PC BOARD 4-046-160-01 EMBLEM (NO. 9), SONY (ALL EXCEPT KV-24FV10) 4-068-307-01 BUTTON, MULTI * A-1298-795-A A COMPLETE PC BOARD (24FV10 ONLY) 4-068-308-01 GUIDE, LED * A-1298-920-A A COMPLETE PC BOARD (ALL EXCEPT 24FV10)

  • Page 39: Electrical Parts List

    KV-24FV10/25FV10/25FV10C SECTION 8 ELECTRICAL PARTS LIST Note: • The components identified by in this RESISTORS manual have been carefully factory- • All resistors are in ohms The components identified by selected for each set in order to satisfy • F : nonflammable...
  • Page 40 KV-24FV10/25FV10/25FV10C Note: Note: Les composants identifies per un The components identified by trame et une marque sont critiques shading and mark are critical for pour la securite. Ne les remplacer safety. Replace only with part que par une piece portant le numero number specified.
  • Page 41 KV-24FV10/25FV10/25FV10C Note: Note: Les composants identifies per un The components identified by trame et une marque sont critiques shading and mark are critical for pour la securite. Ne les remplacer safety. Replace only with par t que par une piece portant le numero number specified.
  • Page 42 KV-24FV10/25FV10/25FV10C Note: Note: Les composants identifies per un The components identified by trame et une marque sont critiques shading and mark are critical for pour la securite. Ne les remplacer safety. Replace only with part que par une piece portant le numero number specified.
  • Page 43 KV-24FV10/25FV10/25FV10C Note: Note: Les composants identifies per un The components identified by trame et une marque sont critiques shading and mark are critical for pour la securite. Ne les remplacer safety. Replace only with par t que par une piece portant le numero number specified.
  • Page 44 KV-24FV10/25FV10/25FV10C REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R078 1-247-815-91 CARBON 1/4W R252 1-216-033-00 RES,CHIP 1/10W R085 1-216-049-91 RES,CHIP 1/10W R253 1-215-899-11 METAL OXIDE R086 1-216-045-00 RES,CHIP 1/10W R254 1-216-033-00 RES,CHIP 1/10W R087 1-216-045-00 RES,CHIP...
  • Page 45 KV-24FV10/25FV10/25FV10C Note: Note: Les composants identifies per un The components identified by trame et une marque sont critiques shading and mark are critical for pour la securite. Ne les remplacer safety. Replace only with par t que par une piece portant le numero number specified.
  • Page 46 KV-24FV10/25FV10/25FV10C Note: Note: The components identified by in this manual have been The components identified by shading carefully factory-selected for each set in order to satisfy and mark are critical for safety. regulations regarding x-ray radiation. Should replacement Replace only with part number specified.
  • Page 47 * A-1311-737-A G (VAR) MOUNTED PC BOARD (KV-24FV10 ONLY) (KV-24FV10 ONLY) * A-1311-754-A G (VAR) MOUNTED PC BOARD C643 1-113-924-11 CERAMIC 0.0047MF 20% 250V (ALL EXCEPT KV-24FV10) C644 1-113-924-11 CERAMIC 0.0047MF 20% 250V 1-533-223-11 HOLDER, FUSE C645 1-137-605-11 FILM 0.01MF...
  • Page 48 D635 8-719-991-33 DIODE 1SS133T-77 RESISTOR D636 8-719-063-70 DIODE D1NL20U D637 8-719-110-03 DIODE RD7.5ESB2 R600 1-247-289-00 CARBON 8.2M D638 8-719-510-48 DIODE D1N20R (ALL EXCEPT KV-24FV10) R601 1-219-513-11 CARBON 4.7M 1/2W (KV-24FV10 ONLY) FUSE R602 1-249-389-11 CARBON 1/4W F600 1-576-193-11 FUSE 6.3A/125V...
  • Page 49 VARISTOR R641 1-249-429-11 CARBON 1/4W R642 1-249-421-11 CARBON 2.2K 1/4W VDR600 1-803-587-11 VARISTOR R646 1-216-485-11 METAL OXIDE 5.6K ALL EXCEPT KV-24FV10) (ALL EXCEPT KV-24FV10) VDR600 1-803-585-11 VARISTOR R647 1-249-399-11 CARBON 1/4W (KV-24VF10 ONLY) R648 1-249-421-11 CARBON 2.2K 1/4W R649 1-249-417-11 CARBON...
  • Page 50 KV-24FV10/25FV10/25FV10C REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK RESISTOR DIODE R1756 1-260-099-11 CARBON 1/2W D964 8-719-991-33 DIODE 1SS133T-77 R1757 1-260-099-11 CARBON 1/2W D967 8-719-110-88 DIODE RD39ESB2 R1758 1-260-099-11 CARBON 1/2W D968 8-719-110-88 DIODE RD39ESB2 R1759...
  • Page 51 3-866-075-41 MANUAL, INSTRUCTION (KV-25FV10C ONLY) 3-866-871-21 MANUAL, INSTRUCTION (KV-24FV10 ONLY) * 4-041-255-01 BAG, PROTECTION * 4-067-890-01 CARTON, INDIVIDUAL (KV-25FV10/10C ONLY) * 4-067-891-01 CARTON, INDIVIDUAL (KV-24FV10 ONLY) * 4-067-892-01 CUSHION ASSY, UPPER * 4-067-893-01 CUSHION ASSY, LOWER 1-501-730-41 ANTENNA, TELESCOPIC 1-417-182-11 CONVERTER (EAC 25)
  • Page 52 KV-24FV10/25FV10/25FV10C NOTES: — 66 —...
  • Page 54 Sony Corporation English Sony Technology Center 99CS74400-1 Product Quality Division Printed in U.S.A. 9-965-853-01 Service Promotion Department © 1999.3...
  • Page 55 BA-4C SERVICE MANUAL CHASSIS MODEL COMMANDER DEST CHASSIS NO. KV-24FV10 RM-Y168 SCC-S22A-A KV-24FV10 RM-Y168 SCC-S24A-A KV-25FV10 RM-Y168 SCC-S23A-A KV-25FV10C RM-Y168 SCC-S23C-A SUPPLEMENT-1 SUBJECT: New Microprocessor Part Number Correct the service manual as shown. File this supplement with the service manual.
  • Page 56 KV-24FV10/25FV10/25FV10C For models with the following serial numbers only: KV-24FV10(U) ........S/N 8010620 and below KV-24FV10(CND) ......S/N A800999 and below KV-25FV10 ........Units produced before July ‘99 KV-25FV10C (IQUIQUE) ....S/N 8001902 and below KV-25FV10C (VALPARAISO) ... S/N 8002158 and below Section 8: ELECTRICAL PARTS LIST (Page 56) REF.
  • Page 57 KV-24FV10/25FV10/25FV10C For models with the following serial numbers only: KV-24FV10(U) ....... S/N 8010621 and up KV-24FV10(CND) ......S/N A801000 and up KV-25FV10 ........Units produced in July ‘99 and later KV-25FV10C (IQUIQUE) ....S/N 8001903 and up KV-25FV10C (VALPARAISO) ..S/N 8002159 and up Section 8: ELECTRICAL PARTS LIST (Page 53-57) REF.
  • Page 58 KV-24FV10/25FV10/25FV10C SONY CORPORATION English Sony Technology Center 99DJ74411-1 Product Quality Division Printed in U.S.A. 9-965-853-81 Service Promotion Department © 1999.7...

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