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Sony FD Trinitron KV-21FX30K, Руководство по обслуживанию

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A

[ POWER SUPPLY, DEFLECTION, AUDIO AMPLIFIER (Page 2/2) ]

A Board Waveforms

1.83 Vp-p (V)

20us/div

TP7

20us/div

1.88 Vp-p (H)

TP1

5ms/div

TP8

488 mVp-p (V)

20us/div

1.86 Vp-p (H)

TP3

20us/div

1.84 Vp-p (H)

TP2

20us/div

6.0 Vp-p (H)

TP4

20us/div

5.4 Vp-p (H)

TP5

20us/div

TP6

16.8 Vp-p (H)

5ms/div

50.8 Vp-p (V)

TP11

5ms/div

49.8 Vp-p (V)

TP9

20us/div

TP10

1.06 kVp-p (H)

Содержание FD Trinitron KV-21FX30K

Страница 1: ...1 SERVICEMANUAL FE 2CHASSIS MODEL COMMANDER DEST CHASSIS NO KV 21FX30B RM 887 FR SCC Q54G A KV 21FX30E RM 887 ESP SCC Q53H A MODEL COMMANDER DEST CHASSIS NO RM 889 KV 21FX30K RM 887 OIRT SCC Q51J A ...

Страница 2: ...E CAP WARNING AN ISOLATION TRANSFORMER SHOULD BE USED DURING ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD DUE TO LIVE CHASSIS THE CHASSIS OF THIS RECEIVER IS DIRECTLY CONNECTED TO THE POWER LINE SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY SHADING AND MARKED ON THE SCHEMATIC DIAGRAMS EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL FOR SAFE OPERATION REPLACE THESE COMPONENTS WITH ...

Страница 3: ... 2 m c 5 5 x o r p p A d e r u s a e m e r u t c i p m c 1 5 x o r p p A y l l a n o g a i d t u p t u o d n u o S r e k a e p s t f e L d n a t h g i R S M R W 7 x 2 r e w o P c i s u M W 4 1 x 2 s n o i t a c i f i c e p S l a r e n e G R A E R s l a n i m r e T t u p t u O t u p n I s t n e m e r i u q e R r e w o P V 0 4 2 0 2 2 r o t c e n n o c o r u E n i p 1 2 1 d r a d n a t s C E L E N E...

Страница 4: ... mode Low state 0 2V TV mode Input impedence More than 10K ohms Input capacitance Less than 2nF 9 Ground green 10 Open 11 Green Green signal 0 7 3dB 75 ohms positive 12 Open 13 Ground red 14 Ground blanking 15 _ _ Red input 0 7 3dB 75 ohms positive _ S signal Chroma input 0 3 3dB 75 ohms positive 16 Blanking input Ys signal High state 1 3V Low state 0 0 4V Input impedence 75 ohms 17 Ground video o...

Страница 5: ...ng sequence of buttons on the Remote Commander i 5 ON SCREEN DIGIT 5 VOLUME TV DISPLAY 3 The following table will be displayed indicating the error count Table 2 Note To clear the error count data press 80 on the Remote commander U N E M R O R R E 2 0 E 3 0 E 4 0 E 5 0 E 6 0 E 7 0 E 8 0 E 9 0 E 0 1 E 1 1 E E M I T G N I K R O W S R U O H S E T U N I M P C O A N P V O C N Y S V R K I C I I M V N E ...

Страница 6: ...e adjust picture rotation Not necessary Adjust now OK Switching On the TV and Automatically Tuning The first time you switch on your TV a sequence of menu screen appear on the TV enabling you to 1 choose the language of the menu screen 2 choose the country in which you wish to operate the TV 3 adjust the picture slant 4 search and store all available channels TV Broadcast and 5 change the order in...

Страница 7: ... colour signal e g USA video tapes Select Reset and press OK to reset the picture to the factory preset levels MENU K MENU 10 Menu System SOUND ADJUSTMENT The Sound Adjustment menu allows you to alter the sound adjustments To do this after selecting the item you want to alter press then press repeatedly or to adjust it and finally press OK to store the new adjustment Level 1 Level 2 Level 3 Functi...

Страница 8: ...this after selecting the option press and then proceed in the same way as in TV steps 5 and 6 of the section Switching On the TV and Automatically Tuning PROGRAMME SORTING The Programme Sorting option in the Set Up menu allows you to change the order in which the channels TV Broadcast appear on the screen To do this after selecting the option press and then proceed in the same way as in step 7 b o...

Страница 9: ...ontrast Brightness Colour Sharpness Hue Reset OK Set Up Language Country Auto Tuning Programme Sorting Progamme Labels AV Preset Manual Programme Preset Detail Set Up OK Set Up Language Country Auto Tuning Programme Sorting Progamme Labels AV Preset Manual Programme Preset Detail Set Up OK 15 GB Menu System NOISE REDUCTION The Noise Reduction option in the Detail Set Up menu allows to reduce autom...

Страница 10: ...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 errors may occur To Switch On Teletext After select the TV channel which carries the teletext you wish to view press To Select a Teletext page Input 3 digits for the page number using the numbered buttons If you have made a mistake retype the...

Страница 11: ...pear when viewing teletext Picture slanted Noisy picture when viewing a TV channel No unscrambling or unstable picture whilst viewing a scrambling channel with a decoder connected through the Scart connector 2 q Remote control does not function The standby indicator on the TV flashes even though the On Timer Solution Check the aerial connection Plug the TV in and press the button on the front of T...

Страница 12: ...Speaker Connector Disconnection Before completely removing the rear cover disconnect the speaker connectors which are located on the inside base of thebeznet 2 3 Speaker Box Removal To remove the speaker boxpull forward in the direction of the arrows while holding the rear cover Ensure the weight is supported as the box is pulled from its mountings To gain access to the speaker remove the six scre...

Страница 13: ...h temperature hot spots All wires must be kept at a minimum distance of 20mm away from the EHT lead 2 7 Service Position Remove screw Remove FBT support bracket Release the 2 securing clips located at either side of the chassis and slide the PWB clear of the bracket Place the A Board PWB in the position indicated to carry out servicing ...

Страница 14: ... out Removal of the Anode Cap 2 9 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 Coated Earth Ground Strap 1 Discharge the anode of the CRT and remove the anode cap 2 Release the EHT le...

Страница 15: ... determined fasten the deflection yoke with the screws 7 If the beam does not land correctly in all the corners use a magnet to correct it See Fig 3 4 When complete readjustment is necessary or a new picture tube is installed carry out the following adjustments Unless there are specific instructions to the contrary carry out these adjustments with the rated power supply Unless there are specific i...

Страница 16: ...e each other The movement of the magnets interact with each other and so the respective dot position should be monitored while carrying out this adjustment Use the H STAT VR to adjust the Red Green and Blue dots so that they coincide at the centre of the screen by moving the dots in the horizontal direction G B R G B R G B R G B R G B R G B R 3 2 Convergence Operation of the BMC Hexapole magnet Pr...

Страница 17: ...djustment TLV Adjustment Geometry Adjustment Preparation Before starting this adjustment adjust the horizontal and vertical static convergence 1 Remove the deflection yoke spacer 2 Tilt the deflection yoke as indicated in the figure below and optimise the geometry Tilting the DY Up and Down will balance the upper and lower pin adjustment Tilting the DY Left and Right will balance the H Trap adjust...

Страница 18: ...yback Transformer to the point just before the flyback return lines disappear Layout of each control 1 Input an all white signal from the pattern generator 2 Enter into the Service Mode by pressing TEST TEST and MENU on the Service Commander 3 Select Service from the on screen menu display and press the right arrow button on the remote commander 4 The Service menu will appear on the screen See Pag...

Страница 19: ...F I t s u j d A C G A e t u m o t u A n i a G o i d u A g n i t a G L 5 1 6 1 0 1 0 0 y r t e m o e G e c i v r e S n g i s e D s u t a t S d n u o S t s u j d a F I u n e M r o r r E 0 3 1 v o e r e t S 2 E F h F F h F F a t a d y r o t c a F G 1 1 4 3 P S M e c i v e D P S M E C I V R E S R t e s f f O G t e s f f O e v i r D R e v i r D G e v i r D B q e r F k a e P y a l e D a m u L 0 C S k a ...

Страница 20: ...oltage is 3 5volts 0 3volts 4 If adjustment is required then re adjust theAGC variable resistor located at the top rear of the FRONTEND to obtain a voltage of 3 5V 0 3V 1 Enter into the Geometry service menu 2 Select and adjust each item in order to obtain the optimum image Print side of A board Deflection System Adjustment V SIZE V LIN S CORRECTION V CENTRE H CENTRE H SIZE PIN AMP PIN PHASE CORNE...

Страница 21: ... a s s e n t h g i r B b u S 4 1 t n e m t s u j d a n o i t i s o P H t x e T 5 1 t s e T l i o C n o i t a t o R 6 1 0 5 l e v e l e r u t c i P 9 1 e l b a s i D e l b a n E e d o M y r o t c a F 1 2 R K E D A n o i t a n i t s e D 2 2 L B n o i t a n i t s e D 3 2 R K E D A n o i t a n i t s e D 4 2 U n o i t a n i t s e D 5 2 R K E D A n o i t a n i t s e D 6 2 L B n o i t a n i t s e D 7 2 R...

Страница 22: ...22 Memo ...

Страница 23: ... S601 2 1 H DY H DY TO C BOARD CN706 G2 IC604 DUAL DC REGULATOR 2 1 8V D608 LINE FILTER T601 RELAY RY601 MAIN RECT D601 1 3 4 6 7 9 CT VSENSE RT TIMER SS OCP 12 VG G Q606 Q607 6 5 4 7 3 LOWB D624 D622 D618 D619 VM VCC QCP DETECT Q612 602 1 4 CN1201 J1200 R AUDIO 64 XTAL IN 48 AUDIO MUTE 5 AUD OUT CV6520 6 67 2 1 VCC OUT IC002 REMOTE CONTROL RECEIVER 3 3V STBY 6 5 2 3 7 1 5V STBY IC201 AUDIO AMP MU...

Страница 24: ...gnal path earth ground earth chassis Reference Information RESISTOR RN METAL FILM RC SOLID FPRD NON FLAMMABLE CARBON FUSE NON FLAMMABLE FUSIBLE RS NON FLAMMABLE METAL OXIDE RB NON FLAMMABLE CEMENT RW NON FLAMMABLE WIREWOUND ADJUSTMENT RESISTOR COIL LF 8L MICRO INDUCTOR CAPACITOR TA TANTALUM PS STYROL PP POLYPROPYLENE PT MYLAR MPS METALIZED POLYESTER MPP METALIZED POLYPROPYLENE ALB BIPOLAR ALT HIGH...

Страница 25: ... 3 1 7 Q 0 3 3 1 4 2 3 1 9 1 0 2 3 0 7 Q 5 7 1 8 6 1 3 1 8 0 7 Q 5 3 1 2 5 7 5 1 7 Q 3 2 3 1 5 1 3 1 1 8 4 0 7 Q 1 3 1 4 2 3 1 2 5 9 0 7 Q 5 7 1 8 3 3 2 1 6 1 7 Q 8 5 2 1 0 5 2 1 1 8 5 0 7 Q 5 2 1 3 5 7 0 1 7 Q 0 3 2 1 3 4 2 1 5 5 7 1 7 Q 2 4 2 1 4 3 2 1 1 8 SemiconductorVoltageTable C board Waveforms 20us div 1 88 Vp p H TP3 20us div 1 88 Vp p H TP2 20us div 74 Vp p H TP5 20us div 74 Vp p H TP6 2...

Страница 26: ...3 I 3 3 5 Q 6 A 0 1 2 1 Q 3 H 1 0 2 C I 3 D 1 0 0 D 2 I 1 1 0 D 2 F 5 3 0 D 3 K 0 1 2 D 5 I 6 0 4 D 2 B 0 2 4 D 2 B 1 0 5 D 9 D 4 3 5 D 5 E 4 0 6 D 9 F 0 2 6 D 5 M 3 3 6 D 5 L 4 1 0 Q 1 L 5 3 5 Q 4 B 1 1 2 1 Q 3 H 1 0 4 C I 3 I 2 0 0 D 3 I 2 1 0 D 3 J 6 3 0 D 3 K 1 1 2 D 5 I 7 0 4 D 2 B 1 2 4 D 2 C 2 0 5 D 9 D 5 3 5 D 6 E 8 0 6 D 8 F 1 2 6 D 5 J 8 3 6 D 6 I 9 4 0 Q 3 J 1 0 6 Q 5 K 0 3 2 1 Q 3 B 1 ...

Страница 27: ...31 32 33 KV 21FX30 9 927 404 01 A POWER SUPPLY DEFLECTION AUDIO AMPLIFIER Page 1 2 ...

Страница 28: ...rms 1 83 Vp p V 20us div TP7 20us div 1 88 Vp p H TP1 5ms div TP8 488 mVp p V 20us div 1 86 Vp p H TP3 20us div 1 84 Vp p H TP2 20us div 6 0 Vp p H TP4 20us div 5 4 Vp p H TP5 20us div TP6 16 8 Vp p H 5ms div 50 8 Vp p V TP11 5ms div 49 8 Vp p V TP9 20us div TP10 1 06 kVp p H ...

Страница 29: ...23 L5 L6 2SC2412K QR 2SC2412K T 146 QR 2SC2412K T 146 R SE 135N SE135N LF4 TDA9394H TOP209P BF421 AMMO 2SA1091 O 2SC2785 HFE 2SA933AS QRT 2SAG33ASQT 2SA933AS RT 2SC1740S RT IRF614 005 IRF614 037 IRF620 8 7 6 5 1 3 4 TOP VIEW 2 1 2 3 1 V OUT 2 V IN 3 GND TOP VIEW E C B C B E B C E B C E LETTER SIDE B C E MARKING SIDE VIEW 64 41 1 24 80 65 25 40 MSP3410D PP B8 7 1 1 32 33 64 STV9379 2SK2251 01 F19 E...

Страница 30: ... RD9 1ES B3 RD10ESB2 RD15ES T1B2 1SS119 25TD 1SS133T 77 1SS355TE 17 RD12SB2 UDZS TE 17 4 7B UDZS TE 17 5 6B UDZS TE 17 6 8B UDZS TE 17 9 1B UDZ TE 17 22B UF4005PKG23 CATHODE ANODE CATHODE ANODE CATHODE ANODE CATHODE ANODE DAN202K DAN202K T146 MA8330 TX D4SB60L F AK04 V1 AU 01Z V1 BYD33G BYD33G AMMO DINL20 TA DINL20 U TA2 DINL40 U TR2 ERB44 06TP1 EGP20G EG 1Z V1 EL1Z ERD28 06S ERD28 06S ERC06 15SL ...

Страница 31: ...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 A BOARD IC604 BA41W12ST V5 A BOARD IC401 IC531 LM393DT A BOARD IC601 MCZ3001D A BOARD IC1201 TDA7497 9 8 11 5 Pwr Gnd MUTE STBY PROTECTION 14 7 Sgn Gnd 1 10 60K 12 15 13 Pwr Gnd Vss ...

Страница 32: ...NO PART NO DESCRIPTION REMARK 40 1 1 571 433 31 SWITCH PUSH AC POWER 2 4 204 143 04 BRACKET MAIN 3 4 202 531 01 AC CORD LOCK SC 4 1 765 286 11 CORD POWER 5 4 204 517 05 SUPPORT FBT 6 1 453 314 31 TRANSFORMER ASSY FLYBACK 7 A 1632 936 A A BOARD COMPLETE KV 21FX30B A 1632 930 A A BOARD COMPLETE KV 21FX30E 21FX30K 8 8 598 535 10 FRONTEND BTF EF411 KV 21FX30B 8 598 533 00 FRONTEND BTF EC411 KV 21FX30E...

Страница 33: ...452 032 11 MAGNET DISK 10MM Ø 75 X 4387 214 1 PERMALLOY ASSY CORRECTION 76 3 701 007 00 BAND BINDING 51 X 4200 723 1 BEZNET ASSY 52 58 52 4 047 464 01 CATCHER PUSH 53 4 204 901 21 DOOR PAINTED 54 3 703 035 12 SHAFT LID 55 4 204 902 11 WINDOW ORNAMENTAL PRINTED 56 4 204 903 11 BUTTON POWER PAINTED 57 4 204 426 01 SPRING 58 4 204 706 01 GUIDE LIGHT 59 4 204 666 01 SHEET BLOTTING 60 8 738 836 05 PICT...

Страница 34: ...ated XX on the Schematic Diagram are not used in this model and therefore do not appear in the Parts List 42 A BOARD COMMON Parts List Parts common to all models listed in this manual 43 A BOARD VARIANT Parts List Parts that belong only to the model specified Model KV 21FX30 50 C BOARD COMPLETE Parts List 50 MISCELLANEOUS 52 ACCESSORIES AND PACKAGING MATERIALS 52 Page ...

Страница 35: ... 22UF 20 00 50V C105 1 162 970 11 CERAMIC CHIP 0 01UF 10 00 25V C106 1 126 933 91 ELECT 100UF 20 00 16V C112 1 162 970 11 CERAMIC CHIP 0 01UF 10 00 25V C211 1 162 970 91 CERAMIC CHIP 0 01UF 10 00 25V C213 1 163 249 91 CERAMIC CHIP 82PF 5 00 50V C214 1 163 139 91 CERAMIC CHIP 820PF 5 00 50V C215 1 163 084 91 CERAMIC CHIP 1 5PF 0 25PF 50V C216 1 163 117 91 CERAMIC CHIP 100PF 5 00 50V C217 1 163 084 ...

Страница 36: ... 516 12 FILM 0 1UF 20 00 300V C602 1 136 516 12 FILM 0 1UF 20 00 300V C603 1 119 899 51 CERAMIC 1000PF 20 00 250V C604 1 119 899 51 CERAMIC 1000PF 20 00 250V C605 1 111 036 91 ELECT 470UF 20 00 16V C606 1 125 991 11 ELECT 180UF 20 450V C607 1 126 964 91 ELECT 10UF 20 00 50V C608 1 126 963 91 ELECT 4 7UF 20 00 50V C610 1 126 941 91 ELECT 470UF 20 00 25V C611 1 163 009 91 CERAMIC CHIP 0 001UF 10 00 ...

Страница 37: ...01 8 719 977 81 DIODE DTZ33B D103 8 719 081 98 DIODE MM3Z6V8T1 D104 8 719 069 55 DIODE UDZSTE 175 6B D105 8 719 069 55 DIODE UDZSTE 175 6B B1 A D106 8 719 069 55 DIODE UDZSTE 175 6B D107 8 719 069 55 DIODE UDZSTE 175 6B D207 8 719 069 60 DIODE UDZSTE 179 1B D210 8 719 069 55 DIODE UDZSTE 175 6B D211 8 719 069 60 DIODE UDZSTE 179 1B D212 8 719 914 43 DIODE DAN202K D228 8 719 069 55 DIODE UDZSTE 175...

Страница 38: ...INDUCTOR 4 7UH L446 1 410 993 42 INDUCTOR 1UH L448 1 410 993 42 INDUCTOR 1UH L501 1 414 187 31 INDUCTOR 47UH L502 1 412 531 41 INDUCTOR 33UH L503 1 412 521 41 INDUCTOR 4 7UH A F4 A D541 1 216 295 91 SHORT 0 D573 8 719 082 00 DIODE MM3Z4V7T1 D601 8 719 510 53 DIODE D4SB60L D602 8 719 911 19 DIODE 1SS119 25 D604 8 719 083 94 DIODE FUF4005 D608 8 719 063 70 DIODE D1NL20U D610 8 719 110 41 DIODE RD15E...

Страница 39: ...11 8 729 120 28 TRANSISTOR 2SC1623 L5L6 Q1230 8 729 027 56 TRANSISTOR DTC143TKA T146 Q1231 8 729 027 56 TRANSISTOR DTC143TKA T146 Q1232 8 729 026 50 TRANSISTOR 2SA1037AK T146 QR Q1233 8 729 026 50 TRANSISTOR 2SA1037AK T146 QR RESISTOR JR4 1 216 295 91 SHORT 0 JR7 1 216 295 91 SHORT 0 JR9 1 216 295 91 SHORT 0 JR10 1 216 295 91 SHORT 0 JR16 1 216 296 91 SHORT 0 JR21 1 216 295 91 SHORT 0 JR24 1 216 2...

Страница 40: ... RES CHIP 470K 5 1 10W R428 1 216 073 91 RES CHIP 10K 5 1 10W R429 1 216 089 91 RES CHIP 47K 5 1 10W R430 1 216 073 91 RES CHIP 10K 5 1 10W A R029 1 216 061 91 RES CHIP 3 3K 5 1 10W R030 1 216 821 91 RES CHIP 1K 5 1 16W R031 1 216 061 91 RES CHIP 3 3K 5 1 10W R032 1 216 061 91 RES CHIP 3 3K 5 1 10W R033 1 216 073 91 RES CHIP 10K 5 1 10W R034 1 216 121 91 RES CHIP 1M 5 1 10W R035 1 216 101 91 RES C...

Страница 41: ...K 5 1 10W R529 1 216 073 91 RES CHIP 10K 5 1 10W R530 1 216 085 91 RES CHIP 33K 5 1 10W R531 1 216 057 91 RES CHIP 2 2K 5 1 10W R532 1 216 085 91 RES CHIP 33K 5 1 10W R533 1 216 081 91 RES CHIP 22K 5 1 10W R534 1 216 117 91 RES CHIP 680K 5 1 10W R535 1 216 097 91 RES CHIP 100K 5 1 10W R538 1 535 143 71 LEAD JUMPER 7 5MM R539 1 215 892 81 METAL OXIDE 1K 5 2W R540 1 215 887 21 METAL OXIDE 150 5 2W R...

Страница 42: ... 4W R628 1 247 791 91 CARBON 22 5 1 4W R629 1 216 073 91 RES CHIP 10K 5 1 10W R632 1 249 417 91 CARBON 1K 5 1 4W R633 1 215 481 91 METAL 330K 1 1 4W R634 1 217 625 11 METAL 0 05 10 2W R635 1 260 300 71 CARBON 4 7 5 1 2W R636 1 249 413 91 CARBON 470 5 1 4W R637 1 216 041 91 RES CHIP 470 5 1 10W R639 1 208 814 91 METAL CHIP 22K 0 5 1 10W R640 1 208 830 91 METAL CHIP 100K 0 5 1 10W R641 1 216 097 91 ...

Страница 43: ...TDA6107Q N1 IC1801 8 759 603 37 IC M5216P SOCKET J701 1 251 595 11 SOCKET CRT COIL L704 1 414 183 31 INDUCTOR 10UH RESISTOR R701 1 247 903 91 CARBON 1M 5 1 4W R702 1 249 429 91 CARBON 10K 5 1 4W R703 1 535 143 61 LEAD JUMPER 5 0MM R704 1 216 372 51 METAL OXIDE 1 8 5 2W R705 1 215 869 21 METAL OXIDE 1K 5 1W R706 1 249 411 91 CARBON 330 5 1 4W R712 1 215 869 21 METAL OXIDE 1K 5 1W R716 1 249 411 91 ...

Страница 44: ...SING 1 251 839 21 CAP ASSY HIGH VOLTAGE 1 452 094 11 MAGNET ROTATABLE DISK 15MM Ø 1 452 032 11 MAGNET DISK 10MM Ø ACCESSORIES AND PACKAGING MATERIALS 4 206 090 21 INSTRUCTION MANUAL KV 21FX30B GERMAN FRENCH ITALIAN DUTCH 4 206 090 11 INSTRUCTION MANUAL KV 21FX30E GERMAN GREEK TURKISH 4 206 090 41 INSTRUCTION MANUAL KV 21FX30E ITALIAN 4 206 090 51 INSTRUCTION MANUAL KV 21FX30E DANISH SPANISH NORWEG...

Страница 45: ...e modules Please contact your local Sony Service organisation for the latest information Read restore and compare NVM contents via the I2C bus Acknowledge check of all I2C devices in the TV set Read Error Codes emulation of the Error Reader tool Remote Commander emulation User programmable Functional Check through Infrared Fast and documented Test Mode setting of all Sony TV chassis Partnumbers TR...

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