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Sony Trinitron KV-24LS35B Service Manual

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SERVICE MANUAL

MODEL
KV-24LS35B
KV-24LS35E
COMMANDER
DEST
CHASSIS NO.
RM-932
FR
SCC-Q54M-A
RM-932
ESP
SCC-Q53N-A
MODEL
KV-24LS35U
1
FE-2
CHASSIS
COMMANDER
DEST
CHASSIS NO.
RM-932
UK
SCC-Q52J-A

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Summary of Contents for Sony Trinitron KV-24LS35B

  • Page 1: Service Manual

    SERVICE MANUAL FE-2 CHASSIS MODEL MODEL COMMANDER DEST CHASSIS NO. COMMANDER DEST CHASSIS NO. KV-24LS35B KV-24LS35U RM-932 SCC-Q54M-A RM-932 SCC-Q52J-A KV-24LS35E RM-932 SCC-Q53N-A...

  • Page 2: Table Of Contents

    EXPLOSÈES ET LES LISTES DE PIECES SONT D’UNE IMPOR- TANCE CRITIQUE POUR LA SÈCURITÈ DU FONCTIONNEMENT, NE LES REMPLACER QUE PAR DES COMPSANTS SONY DONT LE NUMÈRO DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT MANUEL OU DANS DES SUPPLÈMENTS PUBLIÈS PAR SONY.
  • Page 3 l l a . s l . s l . s l . s l e i l i n i WARNING (UK Models only) The flexible mains lead is supplied connected to a B.S. 1363 fused plug having a fuse of 5 AMP rating. Should the fuse need to be replaced, use a 5 AMP FUSE approved by ASTA to BS 1362, ie one y t i that carries the...

  • Page 4: Connectors

    21 pin connector Pin No Signal Signal level Audio output B Standard level : 0.5V rms (right) Output impedence : Less than 1kohm* Audio output B Standard level : 0.5V rms (right) Output impedence : More than 10kohm* Audio output A Standard level : 0.5V rms (left) Output impedence : Less than 1kohm*...

  • Page 5: Self Diagnostic Software

    FE-2 SELF DIAGNOSTIC SOFTWARE The identification of errors within the FE-2 chassis is triggered in one of two ways :- 1: Busy or 2: Device failure to respond to IIC. In the event of one of these situations arising the software will first try to release the bus if busy (Failure to do so will report with a continuous flashing LED) and then communicate with each device in turn to establish if a device is faulty.

  • Page 6: General

    SECTION 1 GENERAL...

  • Page 12: Disassembly

    SECTION 2 DISASSEMBLY 2-1. Rear Cover Removal 2-2. Chassis Removal => <= => <= => => Release the mains power cable from its securing posts. To remove lift the main bracket rear slightly and slide the Remove the rear cover fixing screws indicated. Pull the rear chassis away from the beznet.

  • Page 13: Picture Tube Removal

    2-5. 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, discharge CRT before attempting to remove the anode cap. Short between anode and CRT coated earth ground strap.

  • Page 14: Set-Up Adjustments

    SECTION 3 SET-UP ADJUSTMENTS • Carry out the adjustments in the following order : When complete readjustment is necessary or a new picture 3-1. Beam Landing. tube is installed, carry out the following adjustments. 3-2. Convergence. • Unless there are specific instructions to the contrary, carry 3-3.

  • Page 15: Convergence

    If the V.STAT magnet is moved in the direction of the (a) 3-2. Convergence and (b) arrows, the Red, Green and Blue points move as indicated below. Preparation: • Before starting this adjustment, adjust the focus, horizontal size and vertical size. •...
  • Page 16 Geometry Adjustment. YCH Adjustment Preparation: YCH VR Before starting this adjustment, adjust the horizontal and Deflection Yoke vertical static convergence. Remove the deflection yoke spacer. Tilt the deflection yoke as indicated in the figure below and TLV Adjustment optimise the geometry. Tilting the DY Up and Down will balance the upper and lower pin adjustment.

  • Page 17: Focus Adjustment

    Layout of each control 3-4. Screen (G2), White Balance [Adjustment in the service mode using the remote commander] G2 adjustment Input a dot signal from the pattern generator. Set the Picture, Brightness and Colour to minimum. Apply 175V DC from an external power supply to the R, G V.STAT and B cathodes of the CRT.

  • Page 18: Circuit Adjustments

    SECTION 4 CIRCUIT ADJUSTMENTS 4-1. Electrical Adjustments Service adjustments to this model can be performed using the suppliedemote Commander RM-932. How to enter into the Service Mode Turn on the main power switch and enter into the stand-by mode. Press the following sequence of buttons on the Remote Commander.
  • Page 19 Sub Colour Adjustment Deflection System Adjustment Enter into the ‘Geometry’ service menu. Receive a PAL colour bar signal. Select and adjust each item in order to obtain the optimum image. Connect an oscilloscope to Pin 5 of CN003 [A Board]. Enter into the ‘Service’...

  • Page 20: Test Mode

    4-2. TEST MODE 1: Test Mode 1 is available by pressing the ‘TEST’ button once, OSD ‘T’ appears. The functions described below are available by selecting the indicated keys. The ‘T’ is released automatically after each < > command is executed. y t i s i l i n i...

  • Page 21: Block Diagrams

    5-1. BLOCK DIAGRAMS (1) CN1203 J1200 MUTE IC604 WFR L IN PH601 DUAL DC REGULATOR ISOLATOR WFR R IN CN606 LOWB CN1202 MAIN RECT TO F5 BOARD IC001 CN5603 D601 WOOFER MICRO, VIDEO PROCESSOR, RELAY ROM, AUDIO, VIDEO SWITCH RY601 CN001 CN1201 XTAL IN...

  • Page 22: Block Diagrams

    5-1. BLOCK DIAGRAMS (2) 5-2. CIRCUIT BOARD LOCATION Reference Information CN703 R IN G IN PICTURE TUBE RESISTOR : METAL FILM TO A BOARD B IN CN504 : SOLID CN5601 C Board FPRD : NON FLAMMABLE CARBON TO A BOARD AC IN AC OUT IC701...
  • Page 23 C Board Waveforms C board Waveforms 5us/div 10us/div 117 Vp-p (H) 109 Vp-p (H) 10us/div 10us/div 109 Vp-p (H) 2.5 Vp-p (H) 10us/div 5us/div 2.5 Vp-p (H) 2.5 Vp-p (H) 10us/div 3.64 Vp-p (H) IC Voltage Table Semiconductor Voltage Table [ R,G,B OUT ]...
  • Page 24 [ VELOCITY MODULATION ]...
  • Page 25 [ PRINTED WIRING BOARD ] [ AC INPUT, POWER SWITCH, FUSE ]...
  • Page 26 [ AV3 INPUT, SIRCS ] [ SMART MODE SWITCH ]...
  • Page 27 [ DYNAMIC FOCUS, QP ]...
  • Page 28 IC Voltage Table Semiconductor Voltage Table Semiconductor Location Table NOTE: Portions of the circuit marked as shown are high voltage areas. Use care to prevent electric shock during inspection or repair. [ PRINTED WIRING BOARD ]...
  • Page 29 KV-24LS35 [9-927-408-01] [ POWER SUPPLY, DEFLECTION, AUDIO AMPLIFIER (Page 1/2) ]...
  • Page 30 A Board Waveforms 20us/div 20us/div 20us/div 20us/div 20us/div 20us/div 1.88 Vp-p (H) 1.84 Vp-p (H) 1.86 Vp-p (H) 6.0 Vp-p (H) 5.4 Vp-p (H) 16.8 Vp-p (H) 20us/div 5ms/div 5ms/div 20us/div TP11 5ms/div TP10 1.83 Vp-p (V) 488 mVp-p (V) 49.8 Vp-p (V) 1.06 kVp-p (H) 50.8 Vp-p (V)

  • Page 31: Semiconductors

    5-4. SEMICONDUCTORS IRF614-005 TDA9394H LM358N IRF614-037 LM393DT IRF620 LM393N M5216P TDA2822M TEA2124 ( TOP VIEW ) ( MARKING SIDE VIEW ) 2SA933AS-QT 2SAG33ASQT 2SA933AS-RT 2SC1740S-RT TOP209P MSP3411G-PP-B9 2SC2785-HFE LETTER SIDE ( TOP VIEW ) BF421-AMMO SE-135N 2SC2785-HFE 2SA1091-O SE135N-LF4 3 GND DTA144ESA 2SK2518-01MR DTA144ESA...
  • Page 32 ERA38-06 MTZJ-T-72-10B AK04-V1 ERD28-06S ERA81-004TP1 MTZJ-T-77-15B AU-01Z-V1 ERC06-15S ERA83-006 MTZJ-T-77-33A BYD33G FMN-G12S MTZJ-3.6A MTZJ-33C BYD33G-AMMO GP08D MTZJ-T-77-2.2A MTZJ-7.5B DINL20-TA RGP10GPKG23 HZS9.1NB2 P6KE200ASY D1NL20U RG15GPKG23 MTZJ-T-77-3.6B RD3.6ES-B2 DINL40-U-TR2 RG1CLF-B1 MTZJ-4.7C RD3.9ES-B2 ERB44-06TP1 RU-3AM MTZJ-T-77-5.1B RD5.1ESB2 EGP20G RU3YX-LF-C4 MTZJ-T-77-5.6B RD5.6ESB2 EG-1Z-V1 RU3YX-V1 MTZJ-T-77-6.8A RD6.8ES-B2 EL1Z...

  • Page 33: Ic Block Diagrams

    5-5 IC BLOCK DIAGRAMS A BOARD IC604 BA41W12ST-V5 A BOARD IC401/IC531 LM393DT Vref A BOARD IC601 MCZ3001D Remote DVLD Internal Driver Sel=34v ref 5v Reg. 10v 15v/8v Level Shift Vsense Control Logic Latch Centre Timer A BOARD IC1201 TDA7497 Sgn Gnd MUTE/STBY PROTECTION Pwr Gnd...

  • Page 34: Exploded Views

    SECTION 6 EXPLODED VIEWS NOTE : Items with no part number and no description are not Items marked “*” are not stocked stocked because they are seldom required for routine since they are seldom required for service. routine service. Some delay should The construction parts of an assembled part are indicated be anticipated when ordering these with a collation number in the remarks column.

  • Page 35: Picture Tube

    6-2. PICTURE TUBE REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK X-4200-735-1 BEZNET ASSY 52-58 4-200-433-01 SPRING, EXTENSION 4-047-464-01 CATCHER, PUSH £ 1-424-800-11 COIL, DEGAUSSING 4-202-555-01 SHAFT DOOR *4-203-390-21 CUSHION, DGC 4-205-376-01 MULTI BUTTON 4-064-883-03 HOLDER, DGC 4-205-550-01 COVER MULTI BUTTON 8-453-011-11 NECK ASSY, (NA299-M) 4-206-153-01 POWER BUTTON £...

  • Page 36: Electrical Parts List

    SECTION 7 ELECTRICAL PARTS LIST PARTS LISTING TABLE OF CONTENTS Page A BOARD COMMON Parts List : Parts common to all models listed in this manual ..... 49 A BOARD VARIANT Parts List : Parts that belong only to the model specifi ed Model KV-24LS35B .....................
  • Page 37 H7 A REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK C106 1-126-933-11 ELECT 100UF 20.00% 16V *A-1632-943-A A Board, Complete (KV-24LS35B) C112 1-162-970-91 CERAMIC CHIP 0.01UF 10.00% 25V *A-1632-944-A A Board, Complete (KV-24LS35E) C204 1-115-340-11 CERAMIC CHIP 0.22UF 10.00% 25V *A-1632-935-A A Board, Complete (KV-24LS35U) C211 1-162-970-91 CERAMIC CHIP 10000PF...
  • Page 38 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK C429 1-163-009-91 CERAMIC CHIP 0.001UF 10.00% 50V C600 £ 1-119-888-51 CERAMIC 2200PF 20.00% 250V C430 1-102-114-00 CERAMIC 470PF 10.00% 50V C601 £ 1-136-516-12 FILM 0.1UF 20.00% 300V C435 1-163-017-00 CERAMIC CHIP 0.0047UF 10.00% 50V C602 £...
  • Page 39 B1 A REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK C1208 1-126-953-11 ELECT 2200UF 20.00% 35V D018 8-719-109-69 DIODE RD3.6ES-B2 C1209 1-163-033-91 CERAMIC CHIP 0.022UF D019 8-719-978-33 DIODE DTZ-TT116.8B C1210 1-126-960-11 ELECT 20.00% 50V D021 8-719-978-33 DIODE DTZ-TT116.8B C1211 1-163-033-91 CERAMIC CHIP 0.022UF D022 8-719-069-55 DIODE UDZSTE-175.6B C1213...
  • Page 40 A F4 A REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK D513 8-719-979-85 DIODE EGP20G < FILTER > D514 8-719-979-85 DIODE EGP20G D534 8-719-302-43 DIODE EL1Z FL201 1-239-803-11 FILTER, EMI D535 8-719-908-03 DIODE GP08D D536 8-719-945-80 DIODE ERC06-15S < IC > D537 8-719-070-62 DIODE PDZ9.1B-115 IC001...
  • Page 41 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK L502 1-412-529-11 INDUCTOR 22UH Q1232 8-729-026-49 TRANSISTOR 2SA1037AK-T146 L503 1-412-521-31 INDUCTOR 4.7UH Q1233 8-729-026-49 TRANSISTOR 2SA1037AK-T146 L504 1-535-143-61 LEAD, JUMPER (5.0MM) L505 1-412-542-41 INDUCTOR 270UH < RESISTOR > L507 1-412-533-21 INDUCTOR 47UH 1-216-296-11 SHORT L532 1-412-553-11 INDUCTOR...
  • Page 42 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK R018 1-208-820-11 METAL CHIP 0.5% 1/10W R105 1-414-813-11 FERRITE R020 1-216-077-91 RES-CHIP 1/10W R106 1-215-900-11 METAL OXIDE R022 1-216-089-91 RES-CHIP 1/10W R107 1-216-025-11 RES-CHIP 1/10W R023 1-216-035-00 RES-CHIP 1/10W R108 1-216-025-11 RES-CHIP 1/10W R024 1-216-025-11 RES-CHIP...
  • Page 43 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK R422 1-216-831-91 RES-CHIP 6.8K 5% 1/10W R521 1-216-099-91 RES-CHIP 120K 5% 1/10W R423 1-216-113-00 RES-CHIP 470K 5% 1/10W R522 1-216-097-11 RES-CHIP 100K 5% 1/10W R424 1-216-113-00 RES-CHIP 470K 5% 1/10W R523 1-216-121-11 RES-CHIP 1/10W R425 1-216-085-91 RES-CHIP...
  • Page 44 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK R622 1-216-073-91 RES-CHIP 1/10W < RELAY > R623 1-216-065-91 RES-CHIP 4.7K 5% 1/10W R624 1-216-001-00 RES-CHIP 1/10W RY601 £ 1-755-388-11 RELAY (AC POWER) R625 1-216-073-91 RES-CHIP 1/10W R627 1-249-389-11 CARBON 1/4W < SWITCH > R628 1-247-791-91 CARBON 1/4W...
  • Page 45 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK CN1801 *1-564-506-11 PLUG, CONNECTOR 3P < VARIABLE RESISTOR > < DIODE > RV702 1-241-656-21 RES, ADJ, METAL FILM 110M D701 8-719-991-33 DIODE 1SS133T-77 *A-1644-122-A VM Board, Complete D702 8-719-901-83 DIODE 1SS83 < CAPACITOR > D703 8-719-901-83 DIODE 1SS83 D705...
  • Page 46 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK < TRANSISTOR > < FUSE > Q1701 8-729-120-28 TRANSISTOR 2SC1623-L5L6 F5601 £ 1-576-232-21 FUSE (H.B.C.) 5A/250V Q1702 8-729-120-28 TRANSISTOR 2SC1623-L5L6 *1-533-725-11 HOLDER, FUSE (F5601) Q1703 8-729-120-28 TRANSISTOR 2SC1623-L5L6 Q1704 8-729-120-28 TRANSISTOR 2SC1623-L5L6 <...
  • Page 47 H5 D2 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK < RESISTOR > < TRANSISTOR > R5100 1-216-813-91 CARBON 1/4W Q8801 8-729-034-09 TRANSISTOR 2SK2518-01MR R5101 1-216-833-91 CARBON 1/16W Q8802 8-729-027-59 TRANSISTOR DTC144EKA-T146 R5102 1-216-835-91 CARBON 1/16W Q8803 8-729-027-59 TRANSISTOR DTC144EKA-T146 R5103 1-216-827-91 CARBON 3.3K 5%...
  • Page 48 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK D1907 8-719-970-87 DIODE ERA38-06 R1923 1-216-097-91 RES-CHIP 100K 5% 1/10W D1908 8-719-300-33 DIODE RU-3AM R1924 1-216-097-91 RES-CHIP 100K 5% 1/10W D1909 8-719-991-33 DIODE 1SS133T-77 R1925 1-216-097-91 RES-CHIP 100K 5% 1/10W R1953 1-216-841-91 RES-CHIP 1/16W <...
  • Page 49 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK MISCELLANEOUS £ 1-571-433-21 SWITCH, PUSH (AC POWER) £ 1-783-083-11 CORD, POWER (WITH FILTER) (KV-24LS35B/24LS35E) £ 1-776-204-12 CORD, POWER (FILTER) (KV-24LS35U) 1-419-893-11 COIL, CHOKE 26MMH £ 1-453-372-11 TRANSFORMER ASSY, FLYBACK (NX4521//Z2B14) 1-693-555-11 TUNER STEREO (KV-24LS35B) 1-693-556-11 TUNER STEREO (KV-24LS35E) 1-693-557-11 TUNER STEREO (KV-24LS35U) 1-529-408-11 SPEAKER (4.2x24CM)
  • Page 50 • User programmable Functional Check through Infrared • Fast and documented Test Mode setting of all Sony TV chassis Additional features such as Adjustments and Troubleshooting are available in chassis-dependent software modules. Please contact your local Sony Service organisation for the latest information.

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