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Sony TRINITRON KV-21FS140 Service Manual
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Sony TRINITRON KV-21FS140 Service Manual

Sony TRINITRON KV-21FS140 Service Manual

Bx1s chassis
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REVISION HISTORY
MODEL
KV-21FS140
KV-21FS140
KV-21FS140
NO.
SUFFIX
DATE
1
-01
2005/12
PART NO. :
SUPP / CORR
DESCRIPTION
_ _
1st Issue
BX1S
9-872-877-01
CHASSIS

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  • Page 1 REVISION HISTORY BX1S CHASSIS MODEL 9-872-877-01 PART NO. : KV-21FS140 KV-21FS140 KV-21FS140 SUFFIX DATE SUPP / CORR DESCRIPTION 2005/12 1st Issue...
  • Page 2 SERVICE MANUAL BX1S CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-21FS140 RM-YA005 Brazil SCC-S80A-A KV-21FS140 RM-YA005 SCC-S79A-A KV-21FS140 RM-YA005 SCC-S79B-A RM-YA005 TRINITRON COLOR TV ®...

  • Page 3: Table Of Contents

    CARBON PAINTED ON THE CRT, AFTER REMOVING THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE ANODE. THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 –...

  • Page 4: Self Diagnostic Function

    KV-21FS140 RM-YA005 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self diagnostic function. If an error occurs, the STANDBY (1) indicator will automatically begin to flash. The number of times the STANDBY (1) indicator flashes translates to a probable source of the problem. If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these problems occur.
  • Page 5 KV-21FS140 RM-YA005 4. SELF DIAGNOSTIC SCREEN DISPLAY SELF DIAGNOSTIC "0" means no fault has been detected. : N/A VSTOP : 0 "1" means a fault has been detected. "2" means two faults have been detected. 101 WDT : N/A "N/A" means not available for this models. 5.

  • Page 6: Disassembly

    KV-21FS140 RM-YA005 SECTION 1 DISASSEMBLY 1-2. SPEAKER REMOVAL 1-1. REAR COVER REMOVAL 1 Two screws 2 Rear cover (Washer Head) (+P4x16) 1 Seven screws (+BVTP 4 × 16) 1-3. CHASSIS ASSY REMOVAL 1-4. SERVICE POSITION 1-5. A BOARD REMOVAL A Board –...

  • Page 7: Picture Tube Removal

    KV-21FS140 RM-YA005 1-6. PICTURE TUBE REMOVAL Note: • Please make sure the TV set is not in standing position before removing necessary CRT support located on bottom right and left. 1) Remove the Rear Cover. 2) Unplug all interconnecting leads from the Deflection Yoke, Neck Assy, Degaussing Coils and CRT grounding strap. Remove Chassis Assy.

  • Page 8: Set-Up Adjustments

    KV-21FS140 RM-YA005 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. 1. Beam Landing 2. Convergence 3. Focus The controls and switch should be set as follows unless 4.
  • Page 9 KV-21FS140 RM-YA005 1. (Moving vertically), adjust the 4 pole magnet to converge c) Convergence Rough Adjustment red, green and blue dots in the center of the screen. Preparation : 2. Tilt the 4 pole magnet and adjust static convergence to •...

  • Page 10: Focus Adjustment

    KV-21FS140 RM-YA005 2-3. FOCUS ADJUSTMENT 2-5. WHITE BALANCE ADJUSTMENT FOCUS adjustment should be completed before W/B 1. Set to Service Mode. adjustment. 2. Input white raster signal using signal generator. 3. Set the following condition: Picture "DYNAMIC", PICT 006 "WTS" to 00. 1.

  • Page 11: Circuit Adjustments

    VDSP Detected Stereo Type (Direct Value from CZ_ Stereo_Mode) Needed for Nicam DCXO aligment Purpose S : for Sony A : Aiwa Value of x = 0 - Unknown, 1 - BTSC, 2 - A2, 3 - NICAM, : US/Latin/Taiwan...

  • Page 12: Adjustment Method

    KV-21FS140 RM-YA005 e. OTHER FUNCTION VIA REMOTE COMMANDER 7, - All the data becomes the values in memory. 8, - All user control goes to the standard state. Display, - Service data initialization (Be sure not to use usually.) 2, 5 Select Device or Category 3-2.
  • Page 25 KV-21FS140 RM-YA005 Data Variant depend on models Category Name Model Table SYNC FORF Latin A872 Brazil A872 Argentina A872 Category Name Model Table OPTM LANG Latin A03E Brazil A03E Argentina A03E Category Name Model Table OPUS SPCH Latin Brazil Argentina –...
  • Page 26 KV-21FS140 RM-YA005 ITEM INFORMATION No. OPB1 Item Speed Search Home Wide Theatre Screen KV-21FS140 (Brazil) KV-21FS140 (SV-13105(E)) KV-21FS140 (SV-13106(E)) SPEED SEARCH (Time of speed search) 00 = disabled (original cycle speed) 01 = 4 time speed from the original 10 = 6 time speed from the original 11 = 8 time speed from the original Home Theatre 1 = Home Theatre mode available...
  • Page 27 KV-21FS140 RM-YA005 No. OPB3 Item Reserved NICAM NICAM A2 ST Thai US ST Korean MONO Bilingual KV-21FS140 (Brazil) KV-21FS140 (SV-13105(E)) KV-21FS140 Reserved Not used NICAM ST (NICAM Stereo) 0 = disabled, 1 = enabled NICAM BI (NICAM Bilingual) 0 = disabled, 1 = enabled A2 ST/BI (A2 [West German] Stereo/Bilingual)
  • Page 28 KV-21FS140 RM-YA005 No. OPB5 Item Signal MSYS COSMIC Tilt Band Wide Booster Edge KV-21FS140 (Brazil) KV-21FS140 (SV-13105(E)) KV-21FS140 (SV-13106(E)) Signal Booster Signal Booster feature 0 = disabled, 1 = enabled MSYS ASD (ASD Improvement for 0 = disabled, 1 = enabled M System channels) *Only applicable when ASD = 1 COSMIC ASD...

  • Page 29: Picture Quality Adjustment

    KV-21FS140 RM-YA005 3-3. PICTURE QUALITY ADJUSTMENT 3-3-3. SUB HUE ADJUSTMENT 1. Set TV to Video mode. 3-3-1. P MAX/CONTRAST ADJUSTMENT 2. Set Picture mode to "CUSTOM". 1. Set TV to Video mode. 3. Input NTSC 3.58 CB to TV set. 2.

  • Page 30: Pal 50Hz Normal Mode

    KV-21FS140 RM-YA005 3-4-2. PAL 50Hz NORMAL MODE a) Input PAL signal 50Hz in the Service Mode. b) Set Wide Mode to "OFF". c) Perform the below adjustments using the "GENERAL SETTING" sequence (Refer 3-4-1) Item No. Function Illustration GEOM 013 Vertical Shift (VPOS) GEOM 011...

  • Page 32: Circuit Boards Location

    KV-21FS140 RM-YA005 4-2. CIRCUIT BOARDS LOCATION C Board A Board 4-3. SCHEMATIC DIAGRAM INFORMATION Note: Reference information All capacitors are in µF unless otherwise noted. • RESISTOR : RN METAL FILM • All electrolytic capacitors are rated at 50V unless otherwise : RC SOLID noted.

  • Page 33: A Board - (Block 001)

    KV-21FS140 KV-21FS140 RM-YA005 RM-YA005 4-3-1. A Board — (Block 001) CN007 CN009 TO A(Block006) CN905 CN004 CN003 TO C/CV BOARD CN701 TO CV BOARD CN711 C006 C005 R377 1.5k 3.3V (Block 001) PROCESSOR R394 D066 L003 4.7k PG102R 10uH RN-CP C004 C071 D057...

  • Page 34: A Board - (Block 002)

    KV-21FS140 KV-21FS140 RM-YA005 RM-YA005 4-3-2. A Board — (Block 002) CN201 J200 To J Board 177078631 CN200 CN202 CN203 CN3400 J201 J202 R238 RN-CP R237 R239 RN-CP C223 C235 RN-CP 470P (Block 002) JR1256 R233 C240 W062 C239 AUDIO CHIP C230 C201 L201...

  • Page 35: A Board - (Block 003)

    KV-21FS140 KV-21FS140 RM-YA005 RM-YA005 4-3-3. A Board — (Block 003) IC606 C672 KIA78D33P1 0.01 3.3V-REG B:CHIP 3.3V C641 001:6A;004:2B IC607 (Block 003) BA18BC0FP-E2 C675 C685 1.8V-REG 1.8V POWER SUPPLY 1.8V_MAIN JW1665 001:8L C662 D635 TP602 R639 PDZ3.6B-115 C609 XX 153635400 B:CHIP D622 4700p...

  • Page 36: A Board - (Block 004)

    KV-21FS140 KV-21FS140 RM-YA005 RM-YA005 4-3-4. A Board — (Block 004) R312 D062 R311 R309 RD5.6SB-T1 (Block 004) RN-CP RN-CP PROTECT IC804 3.3V RN-CP R310 STV9302A 3.3V DEFLECTION VERTICAL-IC RN-CP 3.3V T802 R313 R881 R305 R307 001:7A;003:10A C078 C079 150k R300 CHIP RN-CP RN-CP...

  • Page 37: A Board - (Block 005)

    KV-21FS140 KV-21FS140 RM-YA005 RM-YA005 4-3-5. A Board — (Block 005) SWF103 SWF101 TU102 181339111 SWF100 179592911 C138 R127 0.01 R112 R111 RN-CP RN-CP RN-CP R106 D102 JR1100 L101 8.2k TU101 169369411 RN-CP 0.33uH C116 R108 R114 4700p JR1102 JR1109 C111 RN-CP RN-CP R110...

  • Page 38: A Board - (Block 006)

    KV-21FS140 KV-21FS140 RM-YA005 RM-YA005 4-3-6. A Board — (Block 006) CN903 CN904 JR1903 CHIP C966 L902 005:1C TU-AGC 47uH R9031 001:1F B_INT R9028 001:1F B_DAT RN-CP C956 (Block 006) B_CLK RN-CP 001:1E R9030 JACK RN-CP R902 R904 RN-CP RN-CP C901 FB903 R9042 R910...

  • Page 39: A Board - (Block 007)

    KV-21FS140 RM-YA005 4-3-7. A Board — (Block 007) Mount Mecha A001 409311801 Q805 Mount Mecha 409358501 IC606 A002 Mount Mecha A003 409312201 IC604 Mount Mecha A004 409312201 IC603 Mount Mecha A005 409312201 IC602 Mount Mecha A006 409358401 IC804 HS-A007 Mount Mecha A007 409447401 IC601...

  • Page 40: C Board Schematic Diagram

    KV-21FS140 KV-21FS140 RM-YA005 RM-YA005 4-3-8. C Board Schematic Diagram CN704 R795 1000V 100k J751 1/2W 145154411 FPRD 1000V C752 R760 4700p R773 C754 560k 1/2W 250V 200V L780 D780 R774 R781 22uH 1SS133T-77 0.56 STOPPER RV750 D750 110M PG102R CN703 PROTECTOR D781 R757...

  • Page 41: Voltage Measurement And Waveforms

    KV-21FS140 RM-YA005 4-4. VOLTAGE MEASUREMENT AND WAVEFORMS A BOARD VOLTAGE LIST AND WAVEFORMS Pin No. Voltage[v] Pin No. Voltage[v] Pin No. Voltage[v] IC001 NTSC 1.960Vp-p NTSC NTSC 412.0mVp-p NTSC 1.120Vp-p NTSC 5.360Vp-p NTSC 1.840Vp-p 3.440Vp-p NTSC 2.080Vp-p IC002 IC003 NTSC IC200 (12.6)[12.7] 23.0...
  • Page 42 KV-21FS140 RM-YA005 A BOARD VOLTAGE LIST AND WAVEFORMS Pin No. Voltage[v] Pin No. Voltage[v] Pin No. Voltage[v] IC602 10.4 70.6 NTSC Q804 133.4 133.8 IC603 Q805 137.6 700.0mVp-p NTSC IC604 Q001 IC605 134.4 Q006 132.0Vp-p 21.2 IC606 23.6 Q806 Q007 IC607 Q807 Q008...
  • Page 43 KV-21FS140 RM-YA005 C BOARD VOLTAGE LIST AND WAVEFORMS Pin No. Voltage[v] Pin No. Voltage[v] Pin No. Voltage[v] IC751 135.7 NTSC NTSC 196.8 138.6 NTSC 1.560Vp-p 116.0Vp-p J751 NTSC 124.0Vp-p 139.5 136.5 139.6 NTSC 138.9 1.240Vp-p NTSC 104.0Vp-p 1.440Vp-p – 49 –...

  • Page 44: Printed Wiring Boards

    KV-21FS140 KV-21FS140 RM-YA005 RM-YA005 4-5. PRINTED WIRING BOARDS NOTE: The circuit indicated at left contains high voltage of over [PROCESSOR, AUDIO, POWER SUPPLY, DEFLECTION, TUNER, JACK, HEAT SINK] 1220 Vp-p. Please pay attention when inspecting or repairing it to prevent an electric shock. –...
  • Page 45 KV-21FS140 RM-YA005 [VIDEO AMP] – C Board – A703 A705 CN701 C754 CN704 CN703 C752 R780 R781 R752 C790 R784 R776 R775 G1-1 L780 R785 G1-2 C759 R786 Q701 EY706 R794 R766 RV750 A701 C751 B IN G IN C753 R IN CN705 J751...

  • Page 46: Semiconductors

    KV-21FS140 RM-YA005 4-6. SEMICONDUCTORS DIODE CATHODE CATHODE ANODE ANODE (GRN) CATHODE ANODE ANODE (GRN) CATHODE ANODE BY228GP SPB-25MVWF D3SB60F3 HSS82-TJ PG102R MMDL914T1 MTZJ-T-77-15 PG104R RD3.3SB MTZJ-33B PG156R RD5.6SB-T1 RD5.1ESB2 RU4AM-T3 1SS133T-77 SB360-S 1A5G 10ERB20-TA2B5 10ERB20-TB3 11EQS10-TB5 TRANSISTOR ANODE CATHODE MA2ZD140001S0 1PS226-115 S3L20UF4 UN2211...
  • Page 47 KV-21FS140 RM-YA005 TOP VIEW TDA12009H/N1E7F KIA78R09API PQ018EF01SSH TDA12017H/N1E0B SE135N-LF38 TDA12019H/N1E7F TDA12027H/N1E0B TDA12067H/N1E0B TDA12077H/N1E0B – 54 –...

  • Page 48: Exploded Views

    KV-21FS140 RM-YA005 SECTION 5 EXPLODED VIEWS NOTE: • • Items marked " ∗ " are not stocked since Items with no part number and no The components identified by description are not stocked because they are seldom required for routine they are seldom required for routine ser vice.
  • Page 49 KV-21FS140 RM-YA005 REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK X-2102-882-1 BEZNET ASSY (KV-21FS140 BRAZIL) 2,14,23,26,28 * 4-046-981-03 BRACKET, SPEAKER X-2102-881-1 BEZNET ASSY (except KV-21FS140 BRAZIL) 4-094-690-01 PIECE A(90), CONV. CORRECT 2-658-328-01 DOOR * A-1151-078-A COMPLETE PWB, A (KV-21FS140 BRAZIL) * A-1152-116-A COMPLETE PWB, A (KV-21FS140 SV-13105(E)) ! 8-738-823-05 PICTURE TUBE A51LPT50X(SDS)

  • Page 50: Electrical Parts List

    KV-21FS140 RM-YA005 The components identified by shading and mark ! are critical for safety. SECTION 6 Replace only with part number specified. ELECTRICAL PARTS LIST REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK • Items marked " ∗ " are not stocked since •...
  • Page 51 KV-21FS140 RM-YA005 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK C204 1-130-495-00 MYLAR 0.1UF 5.00% C623 1-162-967-11 CERAMIC CHIP 0.0033UF 10.00% C623 (KV-21FS140(Brazil))
  • Page 52 KV-21FS140 RM-YA005 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK C835 1-162-970-11 CERAMIC CHIP 0.01UF 10.00% <CONNECTOR> C837 1-162-968-11 CERAMIC CHIP 0.0047UF 10.00%...
  • Page 53 KV-21FS140 RM-YA005 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK D619 6-500-567-11 DIODE 10ERB20-TA2B5 <FUSE HOLDER> D621 8-719-312-10 DIODE RU4AM-T3 D622 8-719-085-37...
  • Page 54 KV-21FS140 RM-YA005 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK JR047 1-216-864-11 SHORT CHIP <IC LINK> JR049 1-216-864-11 SHORT CHIP PS602 ! 1-533-597-41 IC LINK...
  • Page 55 KV-21FS140 RM-YA005 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R042 1-216-825-11 METAL CHIP 2.2K 1/10W R301 1-216-859-11 METAL CHIP 1.5M 1/10W...
  • Page 56 KV-21FS140 RM-YA005 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R618 1-249-432-11 CARBON 1/4W R834 1-245-468-21 METAL 180K 1/4W R618 (KV-21FS140(Brazil))
  • Page 57 KV-21FS140 RM-YA005 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R928 1-218-285-11 METAL CHIP 1/10W ! 1-453-329-41 T801 TRANSFORMER ASSY FLYBACK (NX-4751//M3A4) R929 1-218-285-11...
  • Page 58 R783 1-260-087-11 CARBON 1/2W R794 1-249-377-11 CARBON 0.47 1/4W R795 1-260-352-11 CARBON 100K 1/2W <VARIABLE RESISTOR> RV750 1-241-656-21 RES, ADJ, METAL FILM 110M *********************************************************************** Sony Corporation Sony EMCS (Malaysia) Sdn. Bhd. English 9-872-877-01  Visual Products 2005.12 – 65 –...

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