TX 90 Stock Faults

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TX90 1550/1551 PCB,D702+R834(1M8).
TX90 20″ EXCESS HEIGHT D137, A 68V ZENER DIODE,
TX90 20″ FIELD COLLAPSE TR104 AND TR105. REMOVE D137 68V
TX90 20″ FIELD COLLAPSE. R187 6K2,
TX90 20″ INT FIELD CRAMP. R187 6K2
TX90 20″ LO WIDTH , TRACK TWEEN D112 AND D114
TX90 20″ LOPTR(TR112) +LOPTX+TR107 BD839 AND D109 BYD33G HT 115VN
TX90 20″ LOPTX + 5N6F C194,
TX90 20″ POOR FIELD LIN D137 REMOVE IT
TX90 20″ TRIP ON CHANNEL CHANGE R229, 39K
TX90 20E2 NO REMOTE, HAND SET FREQ OFF
TX90 20E2 TUNING R986+ R56(2K4) +M293B1 MEMORY CHIP IC902
TX90 95V HT POT NOT ALTERING TR107(BD839),R225(62K).
TX90 ALL FRONT BUTTON SWITCHES FAULTY.
TX90 AMNESIA AFTER 1 WEEK, LOPTX,D115(BYV95B),C190(22UF).
TX90 AMNESIA D115 , C190 ON PC1140, TR917,LOPTX
TX90 AMNESIA M293B1 CHIP IC902
TX90 BLANK RASTER . R171(270K),C121(10NF),IC101(SL1432).
TX90 BLANK RASTER TDA4500
TX90 CHANNELS CHANGE TR904/3/2, DIODE D913(PH425) IN LINK 925 +TO C906.
TX90 CHILD LOCK NO TUNING MENU
TX90 CHILD LOCK REMOTE TO STBY,SWITCH OFF MAINS30SECS,ON MAINS WITH REMOTE STBY .
TX90 CHILDLOCK1 USE REMOTE STBY, SWITCH OFF MAINS, WAIT 30,MAINS ON WHILST
TX90 CHILDLOCK2 HOLD REMOTE STBY,MENU ON, SELECT HOTEL OFF,PRESS TV BUTTON.
TX90 COGGED VERTS+BRILL BOWING,LO HT,R206,R207,R211,R212(270).
TX90 COLOR APC . C159(22NF) .
TX90 COLOR INT,C166(0U1F),C141(10NF),C155(47PF/100PF),RV67.
TX90 CRACKLE ON LO VOL IC105(12VREG).
TX90 DARK BAND/RINGING, C132(10UF).
TX90 DEAD DEGAUS POSISTOR
TX90 DEAD 2AT C191 22UF160V LIKE LOPTX
TX90 DEAD BD839(2SC1929)+BC337(TR108).
TX90 DEAD BYD33G MAINS RECTIFIER DIODES
TX90 DEAD CHAN IND OK TR902(BF460)+IC102(TDA4200).
TX90 DEAD D123 T101 LEAKY,D120,D125.
TX90 DEAD FAST PULSING, C194(5N6F).
TX90 DEAD FUSE + LOPTR +LOPTX PINS
TX90 DEAD FUSE DEGAUSS POSISTOR
TX90 DEAD GOOD 90V GOOD 22V NO 12V =TR901(BD385=TIP41C) ON REMOTE PANEL
TX90 DEAD GOOD HT MC7812CT.
TX90 DEAD LINE WHISTLE, LOPTX PIN 10
TX90 DEAD LO HEIGHT R144 , TDA4500.
TX90 DEAD LOPTR TR112,LOPTX
TX90 DEAD LOPTR+ TR107/TR108 L120 5MH
TX90 DEAD LOPTR, TR107, TR108, LOPTX,C194(5N6F)
TX90 DEAD LOPTR/LOPTX+TR107+TR108+ D109+C194.
TX90 DEAD LOPTX+BD839 TR107
TX90 DEAD MC7812CT REGULATOR IC105
TX90 DEAD NO 150V 12V OK TR103
TX90 DEAD PULSING, R225(33K) LO EHT.
TX90 DEAD R4050 TR107, TR108, D112, D114, D110 R627 D113 AND D125 C193.
TX90 DEAD RL24(2K2)+CP27+CL23/24+CL26(360NF250V).
TX90 DEAD RP23 (0R22).
TX90 DEAD STBY D901(8V2ZEN),TR906(BC237B).
TX90 DEAD T103 W123(BY127) W120 .
TX90 DEAD TR916+C915+D908+TR917+TR901.
TX90 DEAD. L120 .
TX90 DISTORT SND R255.
TX90 DUE TO LOWER MAINS ADD 82K ACROSS R229, MOVE TR107 TO H/SINK BD237.
TX90 EXCESS HEIGHT D137(68VZEN).
TX90 EXCESS WIDTH/SYNC D137.
TX90 FIELD C112(220NF),R203(243K),R203(10R),TR105,TR104,R203(33).
TX90 FIELD C191 22UF160V TEXT-LIKE LINES .
TX90 FIELD COLLAPSE C171(47UF100V).
TX90 FIELD COLLAPSE C190 22UF
TX90 FIELD COLLAPSE D106 R187(6K2) DL08(1N4148) TDA8214B
TX90 FIELD COLLAPSE D137,TR105,R187(6K2),R198(6K8),R294(18K).
TX90 FIELD COLLAPSE T0167V REMOVE 68V ZENNER
TX90 FIELD COLLAPSE TR105 PINS+D137(68VZD).
TX90 FIELD COLLAPSE TR105(TIP112H/T0167V),R198(6K8) .
TX90 FIELD CRAMP TDA4500 IC102 TR105 R203(33)
TX90 FIELD CROSSOVER DISTORT C190 22UF 160V.
TX90 FIELD D137(68VZEN),C190(22UF),R186/7(6K2),R237,R240(47K),R187,R198/9.
TX90 FIELD R186(6K8),D106 LEAKY,R144(4R7),TDA4500,R111(4R7),C131(220NF).
TX90 FIELD SYNC R241(33K),L103 CORE.
TX90 FIELD TEXT LINES D102(4V7ZEN).
TX90 FLYBACK LINES, R194(243K), IL01 M52038SP
TX90 GHOSTS WHITE LINES 3 INCH IN FROM LEFT. T103.
TX90 HEIGHT LO R144 , IC102(TDA4500)
TX90 HI HT R229 49K R225 33K
TX90 HI HT R229(39K).
TX90 HOT D120/123 BRIDGE RECT.
TX90 HOT LINE SYNC C124(2N7F) FROM PIN 23 TDA4600.
TX90 HOT LO HEIGHT R186,R187,R198,R199(6K8)
TX90 HOTEL LOCK, REMOTE STBY/ POWER OFF/WAIT 30SEC/POWER ON +REMOTE STBY
TX90 HOTEL MODE 1. USE THE REMOTE CONTROL UNIT TO PUT THE SET INTO STANDBY.
TX90 HOTEL MODE 2. SWITCH OFF USING THE MAINS SWITCH. WAIT THIRTY SECONDS.
TX90 HOTEL MODE 3. SWITCH BACK ON MAINS WHILE HOLDING REMOTE CONTROL’S STANDBY BUTTON.
TX90 HOTEL MODE 4. A MENU HOTEL MODE CAN BE SWITCHED ON/OFF BY USING VOLUME +/-
TX90 HUM BAR 12V REGULATOR IC105 .
TX90 HUM BAR C189(22UF50V)C189(22UF50V)
TX90 HUM BAR LINE RIPPLE TR111,C189(22UF).
TX90 HUM BAR NO SWEEP TUNING. D908 , R969 , TR916 , TR917 , R966 .
TX90 HUM BAR, L120 , TR107(BD839) .
TX90 HUM BAR,C191(22UF),C189(22UF),L120,TR107.
TX90 HUMBAR C189(22UF50V),TR107(BD839),L120,TR111(BC307B)
TX90 INT COLOR C155 47PF 100PF COMPONENT AS IN LATER PRODUCTION.
TX90 INT DEAD 12VREG +(ZTX753 ON REMOTE PANEL).
TX90 INT DEAD 7NF1K6V CP18.
TX90 INT DEAD LINE DRIVER PX PINS
TX90 INT DEAD LINE DRIVER TX .
TX90 INT PULSES OFF,C136.
TX90 INT SND C113(390PF),TR124.
TX90 INT SND MUTE , NO CHANNEL . C908N(10NF) .
TX90 INT SYNC C124(2N7) C129(68NF)
TX90 INT TRIP ,HI HT 115VN. R225 47K, R229 29K.
TX90 INT UP/DOWN OPERATION SND MUTED. C908(10NF) .
TX90 JUST SNOW NO 33V, RH04 27K NR LOPTX
TX90 JUST SNOW SL1432 ,TUNER
TX90 LINE ACROSS TOP OF PIC,C190 22UF, 160V.
TX90 LINE COLLAPSE C211(22NF). D113,TR113
TX90 LINE COLLAPSE T103 PINS.
TX90 LINE SQUEGGING/RAGGED VERTICALS, CORE MISSING FROM LINR DRV TX COIL
TX90 LINE WOBBLE C125(68NF),TR107(BD839),L120.
TX90 LO BRILL R171(120K), R233,R231(143K)
TX90 LO CONTRAST R231(150K) NR LOPTX/BUTTONS
TX90 LO CONTRAST, C196+TR1144.
TX90 LO CONTRAST,STRIATIONS C195(0.1UF), IC804.
TX90 LO EHT, GOOD 90V, GOOD 12V C191(22UF)+33R UNDER LOPTX FOCUS .
TX90 LO HEIGHT 4* 22K,R203,R187(6K2),D106 .
TX90 LO HEIGHT NO PIC/SND R144 , IC102(TDA4500)
TX90 LO HEIGHT R144 , TDA4500, R237(47K)R240(47K) ,R203 .
TX90 LO HT R211,R212 C206,C207,R206,R207.
TX90 LO HT,R206, R207. R211.R212.
TX90 LOAD BUZZ,C181 2,200UF,
TX90 LOAD HUM NOISE 12V REG.
TX90 LOGIK 4090
TX90 LOGIK 4090 RAGGED VERTICALS C189 22UF ,50V
TX90 LOPTR+LOPTX+ TR107 AND TR108
TX90 LOPTX (HR7152-11)+C191.
TX90 LOPTX HR7082.
TX90 LOPTX WHITE SPOT =HR7152 16A2 C191(22UF)+33R UNDER LOPTX .
TX90 LOPTX=TF018=HR7165.
TX90 LOW HT R229 39K
TX90 LOW SND. C113 , ADJ L104.
TX90 MAINS TX PRIMARY READS OK 9R5
TX90 MAINS TX,LOPTR LOPTX TR107 BD839 IN THE BOOST REGULATOR
TX90 NEW C49F, C39F,
TX90 NO COLOR 4.33MHZ XTAL,C157(22NF) D103(BAV20),R171(270K),C159(22NF) .
TX90 NO COLOR UPC1365C,BAV20 DIODE D103 1N4148
TX90 NO COLOR D118(4V7ZEN),D103(BAV20),R171(270K),C157(22NF)R231.
TX90 NO COLOR DISABLE COLOUR-KILLER FIT A SHORTING LINK ACROSS R156.
TX90 NO CRT HEATERS. LOPTX HAND WIND 3 TURNS ROUND LOPTX FERRITE CORE
TX90 NO DIGITS, GOOD SNOW TR901 ON REMOTE PANEL.
TX90 NO FIELD OUTPUT TR105 TIP112H
TX90 NO FIELD SYNC L103 CORE, R241(33K) .
TX90 NO FUNCTIONS , IC921(SL490).
TX90 NO HI CHANNEL TUNING,D908(33V REG).
TX90 NO LINE DRIVE TR110,
TX90 NO LINE DRIVE TR110.
TX90 NO LINE DRV,DRIVER TX O/C PRIMARY 62R NORMAL
TX90 NO MEMORY ON CHA1-4 M293.
TX90 NO PIC R171(270K),R231.
TX90 NO PIC SND OK C191(22UF),QT01 27MHZ CRYSTAL
TX90 NO PIC SND OK, C191(22UF160V).+TR107 PINS+C189(22UF50V).
TX90 NO PIC TR112(T9064=TIPL760A=BUT12A)
TX90 NO PIC. R171(270K)
TX90 NO REMOTE TDA8138.
TX90 NO REMOTE , IC MICROCONTROLLER IC IR01(ST639B1/KV)
TX90 NO REMOTE VOL,R247(100R).
TX90 NO SET CHANNEL CHANGE C908N .
TX90 NO SND ,PIC ROLLS REFIT CORE L103 , R241(33K) .
TX90 NO SND BLANK RASTER PATTERNING, C121(10NF) .
TX90 NO SND C123,C113 C165(47UF)
TX90 NO SND IC102. C123 .
TX90 NO SND LO CONTRAST. IC804.
TX90 NO SND OR CHAN CHANGE ,TR902(BC237B).
TX90 NO SND R509 1R8
TX90 NO SND TDA4500
TX90 NO SND,LO HEIGHT. R144 , TDA4500.
TX90 NO SND.C165 47UF
TX90 NO SND/PIC CH1 LIGHTS. TR902.
TX90 NO STBY TR902(ZTX753),C179,C180(100NF) RL41.
TX90 NO STORE M293B1
TX90 NO SWEEP TUNING D908,TR916,TR917,R966,R969.
TX90 NO SYNC C125(68N) R236 R241 .
TX90 NO SYNC C129(68NF) , C124(2N7)
TX90 NO TUNING OSD OK RH04(27K) NR LOPTX.
TX90 NO TUNING, RH06 12K NEAR TUNER AND RH04 27K NR LOPTX
TX90 NO UP SWEEP IC902,NO SWEEP IC903(5VREG).
TX90 NO/POOR COLOR. R231(143K) .
TX90 NO/POOR PIC C191 22UF, 160V TR107.C189 22UF, 50V
TX90 NO/WEAK SIGNAL,C106(10NF).
TX90 NO/WEAK SND. C123 C113 C114, ADJ(L104)
TX90 ONLY LOW CHANNELS ZTK33B REGULATOR D909 T916.
TX90 PC1139 ONLY GOES WHEN SWITCH HELD IT,TR901 TR906
TX90 POOR CONTRAST R231 143K.
TX90 POOR PIC SND OK, COIL L105 ADJ
TX90 POOR SND TDA4500.
TX90 POOR START,R947(47K).
TX90 POOR SYNC R236 R241 , C125(68NF) L103 .
TX90 PULSING LINE COLLAPSE, 160V HT @ CRT BASE IF HI R229(39K).
TX90 PULSING PIC 150V HI, TR107(BD839+D109(BYD33G).
TX90 R130 820R.
TX90 RAGGED VERTICALS OR PATTERNING C189 22UF50V
TX90 RIPPLE ON PIC TR107 +L120 .
TX90 RIPPLE ON PIC. C189(22UF50V) C125(68NF).
TX90 RL42(2K2) IN SERIES WITH SCAN COILS .
TX90 ROLLING L03 SLUG MISSING.
TX90 ROLLING LINE DRIVER COIL CORE FELL OUT.
TX90 ROLLING/JUMPING PIC D137(68VZEN) C112(220NF).
TX90 SKIPS SOME CHANS .C908(0U1F).
TX90 SLIGHT CRACKLE ON SND. IC105 12V REG.
TX90 SLOW START, R947 TR901 TR906
TX90 SMALL PIC C191 22UF LOW HT LO WIDTH/FIELD CRAMP
TX90 SMALL PIC TR107(BYD839)
TX90 SMEARY PIC C138+C132.
TX90 SND CRACKLE C166(100NF) IC105 12V REG
TX90 SND DISTORTED TDA4500.
TX90 SND MUTE,NO CHAN CHANGE,C908(10NF).
TX90 SND MUTED INT UP/DOWN OPERATION. C908(10NF) .
TX90 SND ON VISION. C166(100NF)
TX90 SND VOL OK AT CENTER OF POT, C114(10NF),L104.
TX90 SND, NO PIC C191(22UF160V)
TX90 SNOWY PIC SL1432 CHIP SAW FILTER.C106 10NF,
TX90 SNOWY PIC SL431 C106(10NF)
TX90 SNOWY PIC C106(10NF) ADJUST L114 JUST BELOW TDA4500.
TX90 SNOWY PIC CHANNELS 18 NOT STORING. IC902(M293B1)
TX90 STBY LOPTR+RP01(27K)+RP36(75K3W)).
TX90 STBY RP71(9K1) DP36
TX90 STBY.TP10 S2000AF + DPO8
TX90 STRIATIONS C189(22UF50V) T103
TX90 SYNC,C124(2N7F),C129(68NF),L103,C125(68NF),R236,R241(33K),D111(6V8).
TX90 T10R NO/LOW SND NO TUNING, HOTEL MODE
TX90 TDA4500
TX90 TEXT INTERFERENCE ON ITV , CH4 . D102(BZX83C4V7) .
TX90 TEXT LINES C191 22UF, 160V.
TX90 TEXT LINES CHAN 4, D137.
TX90 THOMSON NO SND TJ01(BC558A)TJ02(BC548B)TJ03(BC558B)TJ04(BC558B).
TX90 THOMSON TUNING NOT STOPPING TJ01,TJ02,TJ03,TJ04(BC558B).
TX90 THOMSON WARM STBY TJ01(BC558A)TJ02(BC548B)TJ03(BC558B)TJ04(BC558B).
TX90 TOP CRAMP/BLANKING ,R327(47K).
TX90 TOP FLYBACK/CEEFAX LINES R194 270K
TX90 TR112+LOPTX,TR107,L120 SHORTED TURNS,CRT ARCING.
TX90 TRIPPED. TR916 C915 , D908 , TR917 , TR901
TX90 TRIPPING, TR107(BD839)+D110,R225(33K)+R222(10K).
TX90 TRIPS R225(47K), R229(39K) R213(86K),TR107(BD839),D110 R222.
TX90 TUNEING NO SWEEP STOP,IC902.
TX90 TUNING NO SWEEP. D908 , R969 , TR916 , TR917 , R966 .
TX90 TUNING NO UP SWEEP DOWN , STORE OK. IC902(M293)
TX90 TUNING STORE,TR917?(BC307B),IC902(M293B1).
TX90 UNLOCKED COLORS 4.4MHZ XTAL.
TX90 VERTICAL STRIPS SHADING C189 22UF50V.
TX90 WARM LINE SYNC C124 2.7NF FROM PIN 23 OF THE TDA4500 CHIP.
TX90 WARM NO SYNC C124(2N7) .
TX90 WEAK PIC,SL1432 SAWF DRIVER BEFORE CONDEMNING THE TUNER.
TX90 WHITE STRIATIONS/LINES T103.
TX90E (THOMSON,TELEFUKEN,NORMENDE,SABA)TV OCT95
TX90E B14C NO SND R509 1R8
TX90E BLANK RASTER RH04(27K)
TX90E CHILD LOCK ,MAINS ON WITH STBY FOR 4SECS THEN VIOLET .
TX90E CHOPTX WHISTLING RP12(78K)
TX90E COLORED LINES AT TOP CL10
TX90E DEAD DP21(BYT13/RGP30M).
TX90E DEAD FUSE BLACK CHOPTR
TX90E DEAD LOPTR , CL22(9N11K6), RL24(2K2).
TX90E DEAD RP23(0R22)
TX90E FIELD COLLAPSE IL01,RL41(0.22R) JL15, DL02,, CL10, RL09 DL10(1N4148).
TX90E FIELD FOLDOVER IL01 CL10 TDA8218 TL01
TX90E FIELD LOCK CHAN CHANGE CP27 RL24
TX90E FIELD LOCKS IN WRONG POSN ON CHAN CP27+RL24
TX90E FLYBACK LINES DL01 RL10, JL15, IL01
TX90E FRONT CONTROLS STUCK ,TACTILE SW
TX90E HOTEL MODE,REMOTE STBY,POWER OFF WAIT 30SECS,HOLD REMOTE STBY,POWER ON
TX90E HUM ON SND IN STBY CS02(10UF)
TX90E INT BLANK SCRN TDA8218
TX90E INT DEAD ON PCB BEND, TDA8218 H/SYNC .
TX90E INT FIELD CRAMP TDA8218
TX90E INT PIC/SND IF MODULE
TX90E LIKE AGC TROUBLE, 33V OK BUT RIPPLY ,RH04 27K,
TX90E LINE DOWN MIDDLE, SCAN COIL CONNECTIONS
TX90E LINE SPEED R225 R229
TX90E LINE WHISTLE RL27 LL04 DL06
TX90E LO HT R206, R207, R211 , R212
TX90E LO SND , CHILD LOCK ,MAINS ON WITH STBY FOR 4SECS THEN VIOLET .
TX90E LO SND, CHILD LOCKED ,SWITCH ON AT THE MAINS WHILE HOLDING REMOTE STANDBY FOR 4-5 SECS
TX90E LOOKS LIKE AGC RH04(27K) NR LOPTX
TX90E NO 33V RH06 12K + RH04 27K NR LOPTX.
TX90E NO PIC/SND, 9.1NF, 1.6KV CL22 AND RL24 2.2K 0.7W
TX90E NO SND R509(1R8)
TX90E NO TUNING 33V RH06(12K) RH04(27K).
TX90E NO TUNING RH04(27K) BEHIND THE LOPTX , C106 RH06(12K).
TX90E NO VIDEO RS32
TX90E PATTERN OF WHITE LINES ON PIC, TUNER UNIT.
TX90E PIC FADES PLUG BV03 .
TX90E PRESS PICT FOR 5 SECONDS TO TUNE.
TX90E PSU WHISTLE RP12
TX90E RAGGED VERTS C189
TX90E REMOTE OK, NO BUTTONS WORK , BUTTONS SWITCHES FAULTY
TX90E RL24 BURNT.
TX90E STBY LOPTR(S2000A3)+BA157 DIODE DP08 RP36.
TX90E TRIPPING IL01
TX90E TUNING MENU, SW ON MAINS+ HOLD R/C STBY (4 SECS) YELLOW R/C BUTTON
TX90E TUNING VOLTAGE RH04 27K IN FRONT OF LOPTX.
TX90E WARM STBY IL01 TDA8214B(TDA8218)
TX90E WON’T TUNE: ZPD33 33V DH04 RH04 27K, RH06 12K,

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