Sony FD Trinitron KV-21LT1E manual

1 SERVICE MANUAL FE-2 CHASSIS MODEL COMMANDER DEST CHASSIS NO. KV-21LT1B RM-88 7 French SCC-Q54C-A KV-21LT1E RM- 887 Spanish SCC-Q53C-A KV-21LT1K RM-887 OI R T SCC-Q51C-A KV-21LT1U RM-887 UK SCC-Q52C-A MODEL CO MMA ND ER DEST CHASSIS NO. KV-21FT2K RM-887 OI R T SCC-Q51E-A RM-889 KV -21L T1 RM-887 KV -21FT2[...]

2 T ABLE OF CONTENTS Section T itle Page Section T itle Page Specifications .................... 3 Connectors .................... 5 Self Diagnostic Software .................... 6 1. GENERAL Switching On the TV and Automatically Tuning .................... 7 Introducing the Menu System .................... 8 T eletext .................... 10 Conne[...]

3 L E D O M M E T I m e t s y S n o i s i v e l e T e g a r e v o C l e n n a h C m e t s y S r o l o C h c n e r FI , L , H / G / B 0 1 F - 2 F , 2 1 E - 2 E : F H V 9 6 E - 1 2 E : F H U Q - B , 0 2 S - 1 S , 3 0 S - 1 0 S : V T E L B A C 1 4 S - 1 2 S : R E P Y H 9 6 F - 1 2 F , 0 1 F - 2 0 F L 9 6 B - 1 2 B : F H U I M A C E S , L A P 8 5 . 3 C[...]

4 W ARNING (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 AST A to BS 1362 , ie one that carries the ASA T mark. IF THE PLUG SUPPLIED WITH THIS APPLIANCE IS NOT SUIT ABLE FOR THE OUTLET SOCKETS IN YOUR HOME, IT [...]

5 21 pin connector Connected Not Connect ed (open) * at 2 0Hz - 20kHz Pin No 1 2 4 Signal Signa l level 1 Audio output B (right) S tandard level : 0.5V r ms Output im pedence : Less tha n 1kohm* 2 Audio output B (right) S tandard level : 0.5V r ms Output i mpeden ce : More than 10kohm* 3 Audio output A (left) Sta ndard l ev el : 0.5 V r ms Output i[...]

6 FE-2 SELF DIAGNOSTIC SOFTW ARE 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 communi[...]

7 8 First Time Operation MENU Your TV is now ready for use 5 A new menu appears on the screen asking you to check that the aerial is connected. Ensure the aerial is connected and then press the OK button to start the automatic tuning. The TV starts to automatically search and store all available channels (TV Broadcast) for you. This procedure could[...]

8 9 GB Introducing and Using the Menu System Your TV uses an on-screen menu system to guide you through the operations. Use the following buttons on the Remote Control to operate the menu system: 1 Press the MENU button to switch the first level menu on. MENU Menu System 2 • To highlight the desired menu or option, press or . • To enter to the [...]

9 11 GB Menu System continued... AUTO TUNING The “Auto Tuning” option in the “Set Up” menu allows you to automatically search for and store all available TV channels. To do that: after selecting the option, press and then proceed in the same way as in TV steps 4 and 5 of the section “Switching On the TV and Automatically Tuning”. PROGRA[...]

10 15 GB Teletext Teletext is an information service transmitted by most TV stations. The index page of the teletext service (usually page 100) gives you information on how to use the service. To operate teletext, use the remote control buttons as indicated below. Make sure to use a channel (TV Broadcast) with a strong signal, otherwise teletext er[...]

11 18 Troubleshooting Here are some simple solutions to the problems which may affect the picture and sound. Additional Information Problem No picture (screen is dark) and no sound. Poor or no picture (screen is dark), but good sound. No picture or no menu information from the equipment connected to the Scart connector. Good picture, no sound. No c[...]

12 SECTION 2 DISASSEMBL Y 2-3. A Board PWB Removal [ Step 2 ] 2-2. A Board PWB Removal [ Step 1 ] 2-5. Wire Dressing Ensure that all wires do not touch heat-sinks and high temperature hot spots. All wires must be kept at a minimum distance of 20mm away from the EHT lead. 2-1. Rear Cover Removal 2-4. Service Position Release the mains power cable fr[...]

13 Anode button a * REMOVING PROCEDURES. T urn up one side of the rubber cap in the direction indicated by the arrow a 1 2 Using a thumb pull up the rubber cap firmly in the direction indicated by the arrow b 3 When one side of the rubber cap is separated from the anode button, the anode-cap can be removed by turning up the rubber cap and pulling i[...]

14 Remove the rear cover fixing screws indicated. Pull the rear cover straight back until clear of chassis. 2-7. Rear Cover Removal T o remove the chassis release the clips indicated at opposite sides of the main bracket and slide the chassis away from the beznet. Ensure that the interconnecting leads are released from their purse locks to prevent [...]

15 Anode button a * REMOVING PROCEDURES. T urn up one side of the rubber cap in the direction indicated by the arrow a 1 2 Using a thumb pull up the rubber cap firmly in the direction indicated by the arrow b 3 When one side of the rubber cap is separated from the anode button, the anode-cap can be removed by turning up the rubber cap and pulling i[...]

16 Purity control corrects this area Disk magnets or rotatable disk magnets correct these areas (a-d) Deflection yoke positioning corrects these areas a cd b Disk Magnets GREEN BLUE RED Preparation: 1. In order to reduce the influence of geomagnetism on the set’ s picture tube, face it in an easterly or westerly direction. 2. Switch on the set’[...]

17 4. If the V .ST A T magnet is moved in the direction of the (a) and (b) arrows, the Red, Green and Blue points move as indicated below . 3-2. Convergence 1. [Moving horizontally], adjust the H.ST A T control so that the Red, Green and Blue points are on top of each other at the centre of the screen. 2. [Moving vertically], adjust the V .ST A T m[...]

18 If you are unable to adjust the corner convergence properly , this can be corrected with the use of permalloy magnets. HTIL correction can be performed by adding a TLH correction assembly to the Deflection yoke. HTIL Adjustment YCH Adjustment TL V Adjustment Geometry Adjustment. Preparation: Before starting this adjustment, adjust the horizontal[...]

19 3-3. Focus Adjustment 1. Receive a television broadcast signal. 2. Normalize the picture setting. 3. Adjust the focus control located on the flyback transformer to obtain the best focus at the centre of the screen. Bring only the centre area of the screen into focus, the magenta-ring appears on the screen. In this case, adjust the focus to optim[...]

20 SECTION 4 CIRCUIT ADJUSTMENTS 4-1. Electrical Adjustments Service adjustments to this model can be performed using the supplied Remote Commander RM-887. How to enter into the Service Mode ‘TT—’ will appear in the upper right corner of the screen. Other status information will also be displayed. 3. Press ‘MENU’ on the remote commander t[...]

21 Deflection System Adjustment Sub Brightness Adjustment 1. Input a Monoscope pattern. 2. Press ‘TEST’ ‘TEST’ 13 on the Remote Commander . 3. Adjust the ‘Sub-Brightness’ data so that there is barely a difference between the 0 IRE and 10 IRE signal levels. 1. Input a video signal that contains a small 100% white area on a black backgrou[...]

22 V SIZE V LIN S CORRECTION V CENTRE H CENTRE H SIZE PIN AMP PIN PHASE CORNER PIN V ANGLE 4-2. TEST MODE 2: Is available by pressing the ‘TEST’ button twice, OSD ‘TT’ appears. The functions described below are available by selecting the two numbers. T o release the ‘T est mode 2’, press 00, 10, 20 ... twice or switch the TV set into St[...]

23 Memo[...]

24 5-2. CIRCUIT BO ARD LOCA TION 5-3. SCHEMA TIC DIA GRAMS AND PRINTED WIRING BO ARDS Note : • All capacitors are in µF unless otherwise noted. • pF : µµF 50WV or less are not indicated except f or electrolytic types. • Indication of res istance, which does not have one for rating electrical power , is as f ollows. Pitch : 5mm Electrical p[...]

25 26 27 28 5-2. BLOCK DIA GRAMS (1) LOWB 5 4 1 CN001 J401 (1/2) 79 63 5 7 4 3 2 1 5 4 RELAY SWITCH Q601 T603 SRT 16 15 17 18 18 16 1 2 15 8 11 12 1 2 IC603 ERROR AMP PH601 ISOLATOR +B D639 RECT AUDIO VCC +B LOWB 3.3V REG H-OUT Q533 STBY +3.3V IC608 7 5 IC501 V OUTPUT 3 1 VD+ BOOST REF OUT PIN OUT Q532 6 5 4 3 2 1 D571, Q571 ,574 T511 FBT FV ABL 12[...]

29 30 32 31 [ C PRINTED WIRING BO ARD ] C [ R, G, B OUT ] [ A PRINTED WIRING BO ARD ] f e R ) e ( ) b ( ) c ( f e R ) e ( ) b ( ) c ( f e R ) e ( ) b ( ) c ( 1 0 7 Q2 . 4 2 18 . 4 2 12 0 26 0 7 Q5 . 71 . 80 . 5 2 12 1 7 Q8 . 5 2 14 . 6 2 19 . 1 0 2 2 0 7 Q3 . 20 . 35 . 77 0 7 Q6 . 4 2 18 . 5 2 15 . 53 1 7 Q0 . 3 3 14 . 2 3 19 . 1 0 2 3 0 7 Q5 . 71 [...]

A B C D E F G R S T U V W X Y Z H I J K L M N O P Q 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 35 34 33 31 32 30 29 34 35 33 f e R B 1 T L 1 2 - V K E 1 T L 1 2 - V K K 1 T L 1 2 - V K U 1 T L 1 2 - V K K 2 T F 1 2 - V K 3 0 2 1 CF u 0 0 0 1F u 0 0 0 1F u 0 0 0 1F u 0 0 0 1m m 0 . 5 W J 8 2 2 1 C ---- F u 0 0 2 2 1 0[...]

B A 34 35 36 A D E F G B C R S T V W X Y Z 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 U M N O P Q H I J K L 36 37 38[...]

39 24 1 25 40 41 64 65 80 E C B 1 2 3 1 V OUT 2 V IN 3 GND C B E DTA144ESA DTA144ESA-TP DTC114EKA DTC114EKA-T146 DTC143TKA-T146 DTC144EKA-T-146R 2SA1037K-T-146-R R2SA1162-G 2SA1037K-T-146-QR 2SD601A-QTX 2SC1623-L5-L6 2SC2412K-QR 2SC2412K-T-146-R BF421-AM MO 2SA1091-O SE-135N SE135N-LF12 TOP209P ( TOP VIEW ) 14 85 B C E 8 7 6 5 1 3 4 ( TOP VIEW ) 2 [...]

40 CATHODE ANODE SLA-570KT3F CATHODE ANODE ERA81-004TP1 ERA83-006 MTZJ-3.6A MTZJ-T-77-2.2A HZS9.INBZ MTZJ-T-77-3.6B MTZJ-T-77-5.6B MTZJ-T-77-5.6C MTZJ-T-77-6.8A MTZJ-T-77-6.8C MTZJ-T-77-8.2B MTZJ-T-77-7.5B MTZJ-T-77-9.1A MTZJ-T-77-9.1C MTZJ-T-77-10 MTZJ-T-77-15B MTZJ-T-77-33A MTZJ -33C MTZJ -7.5 B RD3.9ES-B2 RD5.6ESB2 RD6.8ES-B2 RD7.5ESB2 RD9.1ES-B[...]

41 5-5 IC BLOCK DIAGRAMS 2 5 SW 3 1 4 Vref - - + + GND 1 2 3 7 5 - + - + 6 4 3 2 6 7 1 5 Vsense Remote DVLD Internal OFF Latch Centre Osc SS F/B Timer TSD OCP Control Logic Level Shift Sel=34v ref 5v 15v/8v Driver Reg. 10v 18 8 14 16 15 10 12 11 9 14 2 6 5 SW 1 VOL PWR 15 3 Pwr Gnd Sgn Gnd 2K 4 3 7 9 10 MUTE/STBY PROTECTION 13 +Vcc A BOARD IC604 BA[...]

REF. NO. PART.NO DESCRIPTIO N REMARK 42 REF. NO. PART.NO DESCRIPTI ON REMARK SECTION 6 EXPLODED VIEWS • Items with no part numbe r and no d escript ion are not stocked becau se they are seld om required for ro utine service. • The constru ction parts of an as semble d part are indi- cated with a colla tion number in th e remarks column. • Ite[...]

43 REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK 6-2. KV-21LT1 PICTURE TUBE 51 X-4200-621-1 BEZNET ASSY 52-59 52 4-047-464-01 CATCHER, PUSH 53 4-205-364-01 DOOR 54 4-205-365-01 SHAFT DOOR 55 4-205-376-01 MULTI BUTTON 56 4-205-550-01 COVER MULTI BUTTON 57 4-205-363-01 BUTTON, POWER 58 4-204-426-01 SPRING 59 4-205-375-01 GUI[...]

REF. NO. PART.NO DESCRIPTI ON REMARK 44 REF. NO. PART.NO DESCRIP TION REMARK SECTION 6 EXPLODED VIEWS • Items with no part number and no d escript ion are not stocked becau se they are seld om required for ro utine service. • The constru ction parts of an as semble d part are indi- cated with a colla tion number in th e remarks column. • Item[...]

45 REF. NO. PART.NO DESCRIPTIO N REMARK REF. NO. PART.NO DESCRI PTION REMARK 6-4. KV-21FT2 PICTURE TUBE 51 X-4200-622-1 BEZNET ASSY (KV-21LT1) 52-56 52 4-205-398-01 SPRING, DOOR 53 4-205-396-11 BUTTON, POWER (BARE) 54 4-205-392-11 WINDOW ORNAMENTAL (BARE) 55 4-204-426-01 SPRING 56 4-205-389-01 GUIDE, LIGHT 57 4-204-666-01 SHEET, BLOTTING 58 £ 8-73[...]

46 P ARTS LIST ING T A BLE OF CONTENTS Pa g e A BO ARD COMMON Parts List : Parts common to al l models li sted in this manual ................... ................. ...... 47 A BO ARD V ARIANT Parts List : P ar ts that belo ng only to the model specifie d Model KV -21L T1 ......... ...................... ................. ....................... ...[...]

47 REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART. NO DESCRIPTI ON REMARK The components identified by shading and marked are critical for safety Replace only with the part number specified. 4-203-258-01 HOLDER, LED *4-374-846-01 COVER, CAPACITOR, CAP TYPE 4-382-854-01 SCREW (M3X8), P, SW (+) 4-382-854-01 SCREW (M3X8), P, SW (+) < CAPACITOR &[...]

48 REF. NO. PART.NO DESCRIPTI ON REMARK REF. NO. P ART.NO DESCRIPTI ON REMARK The components identified by shading and marked are critical for safety Replace only with the part number specified. A C538 1-165-319-11 CERAMIC CHIP 0.1UF 50V C539 1-107-642-91 ELECT 3.3UF 20.00% 200V C540 1-136-206-11 MYLAR 0.033UF 10.00% 400V C541 1-106-383-00 MYLAR 0.[...]

49 REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART. NO DESCRIPTI ON REMARK The components identified by shading and marked are critical for safety Replace only with the part number specified. D014 8-719-422-12 DIODE UDZ-TE-17-3.9B D016 8-719-109-89 DIODE MTZJ-T-77-5.6B D017 8-719-109-97 DIODE MTZJ-T-77-6.8B D018 8-719-109-69 DIODE MTZJ-T-77-3.6B [...]

50 REF. NO. PART.NO DESCRIPTI ON REMARK REF. NO. P ART.NO DESCRIPTI ON REMARK The components identified by shading and marked are critical for safety Replace only with the part number specified. IC531 8-759-665-11 IC LM393DT IC601 8-759-671-30 IC MCZ3001D IC602 8-749-016-19 IC SE135N-LF4 IC604 8-759-668-87 IC BA41W12ST-V5 IC608 8-759-591-02 IC L78L[...]

51 REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART. NO DESCRIPTI ON REMARK The components identified by shading and marked are critical for safety Replace only with the part number specified. R025 1-216-025-91 RES-CHIP 100 5% 1/10W R026 1-216-025-91 RES-CHIP 100 5% 1/10W R027 1-216-025-91 RES-CHIP 100 5% 1/10W R028 1-216-025-91 RES-CHIP 100 5% 1/[...]

52 REF. NO. PART.NO DESCRIPTI ON REMARK REF. NO. P ART.NO DESCRIPTI ON REMARK The components identified by shading and marked are critical for safety Replace only with the part number specified. R504 1-249-385-11 CARBON 2.2 5% 1/4W R505 1-216-677-11 METAL CHIP 12K 0.5% 1/10W R506 1-216-665-11 METAL CHIP 3.9K 0.5% 1/10W R507 1-216-349-00 METAL OXIDE[...]

53 REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART. NO DESCRIPTI ON REMARK The components identified by shading and marked are critical for safety Replace only with the part number specified. R652 1-216-081-00 RES-CHIP 22K 5% 1/10W R653 1-216-073-00 RES-CHIP 10K 5% 1/10W R654 1-216-001-00 RES-CHIP 10 5% 1/10W R656 1-216-365-00 METAL OXIDE 0.47 5%[...]

54 REF. NO. PART.NO DESCRIPTI ON REMARK REF. NO. P ART.NO DESCRIPTI ON REMARK The components identified by shading and marked are critical for safety Replace only with the part number specified. C C713 1-101-004-00 CERAMIC 0.01UF 50V C714 1-104-665-11 ELECT 100UF 20.00% 16V C717 1-102-114-00 CERAMIC 470PF 10.00% 50V C718 1-102-114-00 CERAMIC 470PF [...]

55 REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART. NO DESCRIPTI ON REMARK The components identified by shading and marked are critical for safety Replace only with the part number specified. R720 1-249-421-11 CARBON 2.2K 5% 1/4W R721 1-249-405-11 CARBON 100 5% 1/4W R722 1-249-393-11 CARBON 10 5% 1/4W R723 1-249-393-11 CARBON 10 5% 1/4W R724 1-24[...]

9-974-994-01 Sony Corporation Sony UK Service Promotions Dept. English 00EP7174-1 Printed in U.K. © 2000.5 A new TV Repair Assistance T ool that combines ease of use and pow erful PC software tools to allow y ou to sav e valuab le time during many TV repairs. The TRA CE interface connects to the PC's serial port. It provides connection to the[...]