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Sony FD Trinitron KV-28DX30U Service Manual
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Sony FD Trinitron KV-28DX30U Service Manual

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SERVICE MANUAL

MODEL
COMMANDER
KV-28DX30U
DEST
CHASSIS NO.
RM-888
UK
SCC-Q25H-A
MODEL
KV-32DX30U
1
BE-3E
CHASSIS
COMMANDER
DEST
CHASSIS NO.
RM-888
UK
SCC-Q25J-A

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Summary of Contents for Sony FD Trinitron KV-28DX30U

  • Page 1: Service Manual

    SERVICE MANUAL BE-3E CHASSIS MODEL MODEL COMMANDER DEST CHASSIS NO. COMMANDER DEST CHASSIS NO. KV-28DX30U KV-32DX30U RM-888 SCC-Q25H-A RM-888 SCC-Q25J-A...
  • Page 2 TANCE CRITIQUE POUR LA SÈCURITÈ DU FONCTIONNEMENT, THESE COMPONENTS WITH SONY PARTS WHOSE PART NE LES REMPLACER QUE PAR DES COMPSANTS SONY DONT LE NUMÈRO DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT MANUEL NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
  • Page 3 l l a l l a . s l " 8 " 2 . s l . s l " 8 . s l " 2 . 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.
  • Page 4 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* Ground (audio)
  • Page 5 BE-3E SELF DIAGNOSTIC SOFTWARE The errors indicated below can be read using an Error Reader Display (Part Number S-188-900-10) connected to the service connector. Once an error has been detected it will then be displayed on the two digit error reader. During the power up procedure and during normal run time, the micro’s self diagnostic procedures monitor for various errors.
  • Page 6 Protection Error Once every main loop (approximately 200ms OSD mode, 50ms text or menu mode), the micro checks the protection pin (pin 66). If the protection pin is high 6 successive times, a protection error is diagnosed. The protection pin is not checked during the first 3 - 4 seconds after AC on. If this error is diagnosed, the respective NVM register will be updated and the set goes straight into diagnostic standby with 2 flashes - no reset is attempted.
  • Page 7 General IIC Device Run-time Errors (Errors 19-23) s i l c t i s i l c t i If any of these errors are detected, the respective NVM register will be incremented and the software will carry on. Compact Text Run-time Errors (Errors 26, 28, 33 & 34) t s i e i l l b i...
  • Page 8 Error Display Mode Error Display Mode is entered by the following sequence of commands : Standby -> Information -> Digit 5 -> Volume Down -> TV This mode will display a special menu, which will list all possible errors and the number of occurrances of each error (0 - 255, as stored in the NVM).
  • Page 9 SECTION 1 GENERAL...
  • Page 15 SECTION 2 DISASSEMBLY 2-1. Rear Cover Removal 2-3. N Board Removal => <= Shield Case => <= => <= Clip Remove the rear cover fixing screws indicated. Take care To remove the N Board first pull the shield case shown when removing the rear cover not to damage the speaker vertically.
  • Page 16 2-4. Service Position Position the chassis as indicated to access the solder side. To gain access to the D Board follow the instructions on page 19. [Removal and Replacement of the main bracket bottom plates ]. 2-5. A Board Removal 2-6.
  • Page 17 2-7. Side Control Module Removal 2-8. F4 Bracket Removal Release the clip circled and pull the bracket towards the rear of Remove the two screws fixing the user control module to the the set. The bracket can then be removed to allow access to the side of the set.
  • Page 18 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. Coated Earth Ground Strap Discharge the anode of the CRT and remove the anode cap.
  • Page 20 SECTION 3 SET-UP ADJUSTMENTS Carry out the adjustments in the following order : • When complete readjustment is necessary or a new picture tube is 3-1. Beam Landing. installed, carry out the following adjustments. 3-2. Convergence. • Unless there are specific instructions to the contrary, carry out 3-3.
  • Page 21 Fig.3-4 Purity control magnets Align both Purity magnets Purity magnets to the vertical position Align pips on each magnet 3-2. Convergence (1) Screen centre convergence [Static convergence] Input a dot pattern signal from the pattern generator. Normalize the picture setting. [Moving vertically], adjust the V.STAT magnet so that the vertical red, green and blue dots coincide at the centre of the screen.
  • Page 22 Correction for HMC [Horizontal mis-convergence] and VMC HTIL correction can be performed by adding a THL correction [Vertical mis-convergence] by using the BMC [Hexapole] magnet. assembly to the Deflection yoke. a). HMC correction by BMC [Hexapole] magnet and movement of the electron beam.
  • Page 23 Layout of each control 3-3. Focus, Screen (G2) Adjustment Receive a television broadcast signal. Normalize the picture setting. Purity magnet Adjust the focus control located on the flyback transformer to BMC (Hexaploe) magnet obtain the best focus at the centre of the screen. V STAT convergence magnet Bring only the centre area of the screen into focus, the magenta- Y-splitting axis correction magnet...

  • Page 24: Electrical Adjustments

    SECTION 4 CIRCUIT ADJUSTMENTS 4-1. ELECTRICAL ADJUSTMENTS PICTURE ADJUSTMENT Service adjustments to this model can be performed using the supplied Remote Commander RM-888. AFC mode REF position HOW TO ENTER INTO SERVICE MODE SCP BGR SCP BGF Turn on the main power switch and enter into the stand-by Trap fo mode.
  • Page 25 Dynamic Convergence IC STATUS (CXA203452 / CXA2040) Range Adj Off - 42 CXA2034526 H stat Adj Off - 63 H amp l Adj Off - 63 H lock H amp r Adj Off - 63 Up Y Adj Off - 63 V NG Low Y Adj Off - 63...
  • Page 26 I.F ADJUSTMENT DEFLECTION SYSTEM ADJUSTMENT Enter into the ‘Geometry Adjustment’ service menu. Input an off air signal of between 60-100dBuV / 75 ohm Select and adjust each item in order to obtain the optimum terminated, via the tuner socket. image. Enter into the ‘IF Adjustment’...
  • Page 27 4-2. ‘TT’ TEST MODE : ‘TT’ Mode is available by pressing the Test key twice. It is exited by pressing 0 twice, or by pressing the Test key, or by pressing the TV key, or by switching the set into standby. The functions described below are available by pressing 2 digits: Cancel Test mode Set Colour and Picture to Minimum and Adjust Sub-...
  • Page 28 4-3. ‘T’ TEST MODE : ‘T’ Mode is available by pressing the Test key once. It is exited by pressing the Test key twice, or by pressing the TV key, or by switch- ing the set into standby. The functions described below are available by pressing the indicated key : T Mode Function Volume +...
  • Page 49 [PRINTED WIRING BOARD ]...
  • Page 50 5-4. SEMICONDUCTORS MSP3410D-QA-B4 BA7046F KA78R05TU STV9379 SAA7185WP BA7046F-T1 KA78R09TU SDA5273P-C134-GEG LM393PS-E20 KA78R33TU SDA5275 MB3793-42NF MB3793-42NF-ER NJM2240M NJM2240M(TE2) NJM3404AD 1 : V IN 2 : V OUT 3 : GND TC4S69F 4 : ON/OFF CONTROL ( TOP VIEW ) CAD005AD ( TOP VIEW ) LM358 M27C800-100K1 LM393N...
  • Page 51 U2860B-BFPG3 IMZ1A-T109 2SC2500-B TDA9320H-N1-518 74LVC08D 2SC2551-O 2SC2551O-TPE2 ( TOP VIEW ) E C B (TOP VIEW) BC546B IRF614 BC556B IRF620 2SC2688-LK 2SC3840K TEA6422DT LM393N BF199 BF199-AMMO DTA144EK DTC144EK DTA144EK-T146 DTC144EK-T146 DTC114EK 2SA1037K-T-146-R 2SC3997CA DTC114YKA-T146 2SA1162-G DTC123EK 2SC2412K-QR DTC123EK-T146 2SC2412K-T-146-R MARKING SIDE VIEW TLC2933 DTC124EKA-T146 ( TOP VIEW )
  • Page 52 D4SB60L DAN202K UF4005PKG23 ESAC39M-06C D4SB60L-F DAN202K-T-146 ESAC39M-06CF38 RBA-402L ANODE CATHODE DAP202K DAP202K-T-146 ERA38-06TP1 MTZJ-T-77-9.1 ERA82-004TP1 MTZJ-T-77-12 GP08DPKG23 MTZJ-T-77-22 MA3033-L MTZJ-T-77-12 MTZJ-T-77-18B MA3033L-TX MTZJ-T-77-15 MTZJ-33C MA3056M-TX MTZJ-T-77-2.2A RD5.6ESB2 MA3062M-TX MTZJ-T-77-3-3B RD9.1ESB2 MA3030-H-(TX) MTZJ-T-77-3.6A PGKE200AG23 MTZJ-T-77-4.7B 1SS119-25 DA204K MTZJ-T-77-5.6B 1SS119-25TD DA204K-T-146 MTZJ-T-77-6.8 MTZJ-T-77-7.5B CATHODE MA3051L-TX...
  • Page 53 5-5. IC BLOCK DIAGRAMS (1) A BOARD IC301 CXA2076Q-TL H SYNC PHASE 32fH V SYNC PHASE PHASE GATE H.DRIVE 1/32 SHIFT SAND CASTLE SHARP D PIC 50/60 ID TRAN NESS VIDEO TRAP CONT WIDE Count Down Sawtooth GATE 525/625 Gen. INTER- WIDE KILLER...
  • Page 54 5-5. IC BLOCK DIAGRAMS (2) A BOARD IC4 PST593C DELAY V out Reset D BOARD IC500 STV9379 FLYBACK GENERATOR POWER THERMAL PROTECTION D BOARD IC600 STR-S6709 START UP PROPORTIONAL DRIVE LATCH PRE REG THERMAL...

  • Page 55: Exploded Views

    SECTION 6 EXPLODED VIEWS NOTE : • Items with no part number and no description are not • Items marked “ * “ are not stocked The components identified by stocked because they are seldom required for routine since they are seldom required for shading and marked are critical service.

  • Page 56: Picture Tube

    6-2. PICTURE TUBE REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK X-4200-630-2 BEZNET ASSY (KV-28DX30U)52-54 £ 8-453-011-11 NECK ASSY, NA299-M X-4200-641-1 BEZNET ASSY (KV-32DX30U)52-54 *A-1644-107-A VM BOARD, COMPLETE 4-205-699-01 POWER BUTTON *A-1638-126-A C BOARD, COMPLETE 4-202-964-11 SPRING 4-200-433-01 SPRING, EXTENSION 4-205-698-01 GUIDE, LIGHT £...

  • Page 57: Electrical Parts List

    SECTION 7 ELECTRICAL PARTS LIST PARTS LISTING TABLE OF CONTENTS Page H7 BOARD COMPLETE Parts List : ......................98 F4 BOARD COMPLETE Parts List : ......................98 A2 BOARD COMPLETE Parts List : ......................98 A BOARD COMPLETE Parts List : ......................
  • Page 58 The components identified by shading and marked are critical for safety H7 F4 A2 Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK *A-1646-222-A H7 Board, Complete *A-1624-091-A F4 Board, Complete < CAPACITOR > *1-679-217-12 PWB, F4 C7900 1-102-106-00 CERAMIC...
  • Page 59 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK C4032 1-126-964-11 ELECT 10UF 20.00% 50V C4084 1-164-004-11 CERAMIC CHIP 0.1UF 10.00% 25V C4033 1-126-933-11 ELECT 100UF...
  • Page 60 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK D4016 8-719-109-85 DIODE MTZJ-T-77-5.1B < SOCKET > D4018 8-719-109-85 DIODE MTZJ-T-77-5.1B D4019 8-719-923-60 DIODE MTZJ-T-77-9.1 J4001 *1-793-200-11 CONNECTOR, SQUARE TYPE 21P...
  • Page 61 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R4024 1-216-049-11 RES-CHIP 1/10W R4118 1-216-025-11 RES-CHIP 1/10W R4025 1-216-022-00 RES-CHIP 1/10W R4120 1-216-025-11 RES-CHIP 1/10W...
  • Page 62 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK 1-163-017-00 CERAMIC CHIP 0.0047UF 10.00% 50V C227 1-163-021-91 CERAMIC CHIP 0.01UF 10.00% 50V 1-163-021-91 CERAMIC CHIP 0.01UF 10.00% 50V C228...
  • Page 63 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK C300 1-163-109-00 CERAMIC CHIP 47PF 5.00% 50V C353 1-164-505-11 CERAMIC CHIP 2.2UF C301 1-163-038-11 CERAMIC CHIP 0.1UF C354...
  • Page 64 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK D209 8-719-069-60 DIODE UDZS-TE17-9.1B < COIL > D210 8-719-069-60 DIODE UDZS-TE17-9.1B D211 8-719-069-60 DIODE UDZS-TE17-9.1B L111 1-410-993-22 INDUCTOR...
  • Page 65 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK < RESISTOR > 1-216-025-11 RES-CHIP 1/10W 1-216-025-11 RES-CHIP 1/10W 1-216-295-11 SHORT 1-216-025-11 RES-CHIP 1/10W JR101 1-216-295-11 SHORT...
  • Page 66 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R115 1-216-033-00 RES-CHIP 1/10W R219 1-216-113-00 RES-CHIP 470K 5% 1/10W R116 1-216-025-11 RES-CHIP 1/10W R220 1-216-295-11 SHORT...
  • Page 67 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R270 1-216-022-00 RES-CHIP 1/10W R330 1-216-025-11 RES-CHIP 1/10W R271 1-216-022-00 RES-CHIP 1/10W R331 1-216-057-00 RES-CHIP 2.2K 5%...
  • Page 68 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R1012 1-216-041-00 RES-CHIP 1/10W < CONNECTOR > R1014 1-216-065-91 RES-CHIP 4.7K 5% 1/10W R1017 1-216-295-11 SHORT...
  • Page 69 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R719 1-249-422-11 CARBON 2.7K 5% 1/4W C2685 1-107-824-11 CERAMIC 220PF 5.00% 1KV R720 1-249-422-11 CARBON 2.7K 5%...
  • Page 70 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK D2619 8-719-110-57 DIODE RD22ES-T1B2 < TRANSISTOR > D2620 8-719-160-65 DIODE RD16FB2 D2621 8-719-991-33 DIODE 1SS133T-77 Q2614 8-729-026-39 TRANSISTOR 2SA933AS-RT...
  • Page 71 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R2824 1-249-425-11 CARBON 4.7K 5% 1/4W *A-1642-254-A D2 Board, Complete (KV-28DX30U) R2825 1-249-417-11 CARBON 1/4W *A-1642-251-A...
  • Page 72 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK C614 1-126-933-11 ELECT 100UF 20.00% 16V D2 Board Variant Parts KV-32DX30U C615 1-115-789-11 ELECT 0.001F 20.00% 25V...
  • Page 73 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK C1202 1-137-194-81 FILM 0.47UF 5.00% 50V D503 8-719-979-85 DIODE RGP15GPKG23 C1203 1-136-169-00 FILM 0.22UF 5.00% 50V D504...
  • Page 74 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK < FERRITE BEAD > L802 1-459-104-00 COIL, WITH CORE L806 1-535-465-11 LEAD, JUMPER (5.0MM) FB501 1-410-397-21 FERRITE 1.1UH...
  • Page 75 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R540 1-249-441-11 CARBON 100K 5% 1/4W R815 1-249-381-11 CARBON 1/4W R600 1-216-490-11 METAL OXIDE R816 1-215-917-11 METAL OXIDE R601...
  • Page 76 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R1221 1-249-433-11 CARBON 1/4W < RESISTOR > R1223 1-249-417-11 CARBON 1/4W R1224 1-249-417-11 CARBON 1/4W R504...
  • Page 77 The components identified by shading and marked are critical for safety D H8 Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R802 1-215-443-00 METAL 8.2K 1% 1/4W *A-1647-041-A H Board, Complete R803 1-249-427-11 CARBON 6.8K 5%...
  • Page 78 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK < RESISTOR > < COIL > R5601 1-247-807-31 CARBON 1/4W L3201 1-402-711-11 INDUCTOR R5602 1-249-389-11 CARBON 1/4W...
  • Page 79 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK C3136 1-163-222-11 CERAMIC CHIP 5PF 0.25PF 50V C3323 1-163-021-91 CERAMIC CHIP 0.01UF 10.00% 50V C3137 1-163-021-91 CERAMIC CHIP 0.01UF...
  • Page 80 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK CF3112 1-543-948-22 FERRITE FL3112 1-239-558-11 FILTER, CHIP EMI CF3113 1-543-948-22 FERRITE FL3113 1-239-558-11 FILTER, CHIP EMI CF3114 1-543-948-22 FERRITE...
  • Page 81 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK IC3317 8-759-542-07 IC 74LV244D-118 R3125 1-216-295-11 SHORT IC3318 8-759-560-75 IC 74LV157D-118 R3126 1-216-049-11 RES-CHIP 1/10W IC3320...
  • Page 82 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R3216 1-216-061-00 RES-CHIP 3.3K 5% 1/10W R3340 1-216-073-00 RES-CHIP 1/10W R3217 1-216-025-11 RES-CHIP 1/10W R3341 1-216-073-00 RES-CHIP...
  • Page 83 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK < RESISTOR CHIP NETWORK > < CRYSTAL > RB3105 1-233-575-11 RES, CHIP NETWORK 22 X3102 1-781-212-21 VIBRATOR, CRYSTAL RB3106...
  • Page 84 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK < IC > R1726 1-249-429-11 CARBON 1/4W R1727 1-249-431-11 CARBON 1/4W IC1801 8-759-701-59 IC MC7809CT R1728 1-249-408-11 CARBON...
  • Page 85 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK MISCELLANEOUS £ 1-416-466-11 COIL DEMAGNETIC (KV-28DX30U) £ 1-416-769-11 COIL DEMAGNETIC (KV-32DX30U) 1-452-032-00 MAGNET, DISK; 10MM 1-452-094-00 MAGNET, ROTATABLE DISK;...
  • Page 86 • 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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Fd trinitron kv-32dx30u