Bush tv tips

BUSH TV REPAIR AND TROUBLESHOOTING TIPS

Find out if you have the same problem or symptoms of your televison unit.

BUSH PROBLEM AND CURE

BUSH INDI200 FLASHOVER PROTECT D001 INCREASE C001 FROM 1NF TO 100NF.
BUSH INDI200 FLASHOVER PROTECT IC500 ADD 100NF 250V ACROSS C709 ON CRT BASE.
BUSH INDI200 FUSIBLE R1329(33R)IC1300(5W/SWX)CHANGE 100NF TO 4N7F C1323.
BUSH INDI200 NO MEMORY STORE ON FIRST PASS R391 O/C.
BUSH INDI200 NO OSD, OSD COLORS IC302 IC300.
BUSH INDI200 NO REMOTE IR DETECTOR.
BUSH INDI200 NO STORE R390/R369/R370 IC302.
BUSH INDI200 NO TEXT HEADERS OK C915/1915 22NF.
BUSH INDI200 NO TEXT PAGE NUMBER ONLY X901/1901(13.875MHZ)/C909/C912/L900.
BUSH INDI200 NO TEXT SCL LINE TO IC901 ROUND EDGE OF PCB NR HOLE.
BUSH INDI200 NOSWEEP STOP PIN6 K300/Q310/Q311.
BUSH INDI200 OSD CRAMPED R362/C315.
BUSH INDI200 OSD JITTERING V SYNC SIGNAL MISSING.
BUSH INDI200 SLOW TUNING SLOW FUNCTIONS 12V LINE TO IC900.
BUSH INDI200 STARTS UP WITHOUT STARTUP CONTACTS D308.
BUSH INDI200 STBY UNLESS MAINS SWITCH HELD IN IC300+CAP(100NF)ACROSS 36-41.
BUSH INDI200 STRIATIONS NORMAL THIS TRY CABLES/TUNER/C009.
BUSH INDI200 TEXT NO SYNC K900/X900/C908.
BUSH INDI200 TUNER DRIFT Q300/R312/R313/R314/R364/C304/C306/C322 X300 IC300.
BUSH ITV 2100 BRIGHT PICTURE WITH FLYBACK LINES- CURE REPLACE R709 ON THE TUBE BASE PANEL (2.2K)
BUSH LCD32TV022HD: INTERMITTENTLY NO START-UP OR DEAD AFTER A FEW HOURS
MODEL/S: BUSH LCD32TV022HD WITH 17MB15 CHASSIS LCD TV
SYMPTOM: INTERMITTENTLY NO START-UP OR DEAD AFTER A FEW HOURS.
CURE/SOLUTIONS: THE PSU REPLACED AND EEPROM IC RESOLDERED, BUT ON HELP. TRY TO RESOLDER IC220 (SDA5550) AND IC224 ON MAIN BOARD THE TV BACK TO NORMAL.
BUSH LCD26TV006HDX: NO DISPLAY. FLASHING STANDBY LIGHT
MODEL: BUSH LCD26TV006HDX LCD TV
SYMPTOM: NO DISPLAY. FLASHING STANDBY LIGHT.
CURE/SOLUTION: THE CAPACITOR C315 (1000UF/25V) IS SUPPLIED HIGHER RATED, AND IS A LITTLE BIGGER SO USE LONGER LEADS DON'T FIT CLOSE TO BOARD. BE CAREFUL WHEN SOLDERING YOU DON'T ACCIDENTALLY REMOVE THE TINY SURFACE MOUNT RESISTORS ON BACK OF BOARD.
BUSH MC6341B T22A NO EW. D6+D7(BYX71).
BUSH MIDDLE CRAMP 1,000UF, 16V, C806. C810 220UF, 160V.
BUSH MV120B MONOCHROME 12" POLAND, BLANK RASTER, A240D IF CHIP.
BUSH: NO BACKLIGHT
MODEL/S: BUSH IDLCD26TV05HD CHASSIS L9 LCD TV
SYMPTOM: NO BACKLIGHT
THEY ARE NO 24V TO THE INVERTER BOARD AFTER A WHILE. SENSITIVE TO POWER SUPPLY TAPPING.
CURE/SOLUTIONS: CHECK & REPLACE SMD 27V ZENER DIODE (RED WITH YELLOW BANDS). NOTE: THERE ARE NO REFERENCE NUMBERS ON ANY OF THE SMD COMPONENTS. THE DIODE IS LOCATED IN PRIMARY SIDE OF THE 24V CHOPPER TRANSFORMER SUPPLY, NEAR PIN5-8 OF THE SMD IC (UC3843A). (THIS PSU BOARD IS GDP002 ZR1910R NETZTEIL SPS 180W 24/5 12/5 PFC 2PIN(LISH)).
BUSH PT92 TUNING HOLD REMOTE ON.OFF(ON PHILIPS REMOTE) FOR 5 SECS THEN AGAIN
BUSH PT92.DEAD, BU508AF RV38. CD29 RD18.
BUSH RF6682VPL DEAD PULSING AUDIO IC304 (TDA7263) REMOVE .
BUSH RF6682VPL LOW SOUND BASS ONLY- CHECK EXTERNAL SPEAKER SOCKET/SWITCH .
BUSH WS6667 DEAD- HT RECTIFIER DIODE (DP12) IS S/C.
BUSH WS6668SIL SERVICE MODE ,HOLD MENU BUTTON POWER ON, UNTIL THE
BUSH WS6668SIL RED LIT. RELEASE THE MENU BUTTON AND PRESS STBY.
BUSH WS6668SIL DEAD/PULSING LOPTR(2000AFI) CAUSE ELDOR LOPTX(HR8416) ARCING
BUSH WS6671 DEAD WITH LOPTR S/C - BLOWS WHEN REPLACED REPLACE Q604 BC639 LINE DRIVER & LOPTR WITH BU2525AF.
BUSH WS6671 FOR ALL EW PROBLEMS FIRST CHECK R629 (2R7) EW FEED RESISTOR FOR O/C DUE TO C630 BEEN DRY JOINTED.( 390NF 250V).
BUSH WS6671 INTERMITTENTLY DESTROYS THE TEA6107A RGB DRIVE CHIP ON CRT BASE PANEL CAUSE ARCING CRT SOCKET THE DISCHARGE WAS FROM THE FOCUS ANODE TO GROUND ACCROSS THE SPARK GAP.
BUSH WS6671 SMALL PICTURE- C630 & R629 27R & VR601 330R 5W (PART NO 30001151)
BUSH WS6671 STRIATIONS MOD REQD - REPLACE LINK J500 WITH 10µH CHOKE (BETWEEN Q603 & SCART) PT NO BUSH608000000021
BUSH WS6671 11AK19 3 RGB TEST LINES ONLY SHOWING FIELD OUTPUT CHIP TDA8351 & CHECK FOR DRY JOINTS.
BUSH WS6671 11AK19 DEAD NO LED DISPLAY REPLACE Q802 BUZ91A ( MTP6N60 ) & D823 ( BA157)
BUSH WS6671 11AK19 LACK OF WIDTH & R629 (2.7OHM) IN EW CIRCUIT O/C & C630 (560NF) FAULTY THOUGH IT MAY READ OK.
BUSH WS6671 11AK19P4 NARROW PICTURE R629(2R7 1/3 WATT FUSIBLE) PLUS DRY JOINTS ON C630.
BUSH WS6671 11AK19P4 WIDTH EXCESSIVE Q603 (9NQ20T OR BUK444-200 OR MTP6N60E)
BUSH WS6671 11AK19 DEAD & TICKS-BU2508AF/2SD2579&C626(11N 2KV)+ ELDOR LOPTX FAULTY.
BUSH WS6671 11AK19 SEE VESTEL SERVICE MODE INSTALL 4725 58/54=HEIGHT
BUSH WS6671 11AK19P4 /100D LO WIDTH, C630 560NF300V+R629(2R7).
BUSH WS6671 EW BENDING BENT SIDES - C630 (560N 300V) & Q603 (9NQ20T FET).
BUSH WS6671 BENT SIDES (EW DISTORTED) & LOW WIDTH R629(2R7) O/C & C630 DRY JOINTED OR FAULTY + RESOLDER ALL LOP & EW AREAS- DRY JOINTS ARE COMMON ALL OVER THE LOP AREA & RESOLDER SCAN PLUG SOCKET.
BUSH WS6671 EW RASTER DISTORTION- REPLACE/RESOLDER C630 (390NF 250V)+2R7 (R629) .STOCK FAULT.
BUSH WS6671 POWER SURGING/DEAD CRT .
BUSH WS6672 DEAD - PCB BURN UPS ARE COMMON.
BUSH WS6672 DEAD A BURNT ON/OFF POWER SWITCH IS COMMON.
BUSH WS6672 DEAD- LOP TRANSISTOR (BU508SAF)& (560NF 250V) CAP.
BUSH WS6672 DEAD -LOP TRANSISTOR & CD08 (560NF 250V) .
BUSH WS6673 11AK19 SEE VESTEL CHASSIS FAULTS.
BUSH WS6673 DEAD- CHOPPER FET & D823.
BUSH WS6673 DEAD- CHOPPER FET OVERHEATING BECUSE D807 IS SHORTED.
BUSH WS6673 EXCESSIVE WIDTH -REPLACE S/C CAPACITOR C622 (12NF 350V).
BUSH WS6673SIL AK19 DEAD PULSING,LOPTR(2SD2579),C626(12NF2KV) GOES LOW
BUSH WS6674 SERVICE MODE PROCEDURE: 1. PRESS TEXT SUB PAGE KEY ON RC WHILE HOLDING DOWN VOLUME - BUTTON ON SET 2. USE PRG ± KEYS TO NAVIGATE THROUGH SETTINGS UNTIL YOU REACH OPTION BYTE 1 SETTING 3. OBSERVE A LIST OF VARIOUS SOUND SYSTEMS AND AT RIGHT OF EACH THERE WILL BE EITHER A 0 OR 1, BY PRESSING VOLUME ± KEYS ALTER SETTINGS UNTIL PAL I HAS A 1 NEXT TO IT 4. PRESS TV ON RC TO EXIT AND STORE SETTINGS 5. PRESS AND HOLD DOWN MENU BUTTON ON RC UNTIL OVERVIEW MENU APPEARS, PRESS MENU BUTTON ONCE MORE UNTIL YOU SEE INSTALLATION MENU, NAVIGATE DOWN TO SOUND SETTING AND USING VOLUME ± KEYS ALTER IT TO SHOWS PAL-I AND UK SOUND CAN BE HEARD 6. LASTLY MOVE DOWN THIS SAME MENU TO STORE SETTING AND USE VOLUME + KEY TO STORE.
BUSH WS6674 SERVICE MODE CONT 1. PRESS CLOCK KEY ON RC. (SECOND ROW FROM THE BOTTOM, THE SECOND KEY FROM THE RIGHT) AND PREES AND HOLD VOLUME - ON USER CONTROL FOR APPROX. 4 SECS. 2. QUIT SERVICE MODE USING EXIT
BUSH WS6674 DEAD RP05 (1M1W) IN PSU OPEN CIRCUIT OR HIGH.
BUSH WS6674 DEAD CHECK / REPLACE RP06 (3.9MEG) AND RP05 (1MEG) UPRATE THEM.
BUSH WS 6674 STUCK IN STANDBY LOW OHMS BETWEEN COLLECTOR AND EMITTER OF LINEOUTPUT TRANSISTOR - CD 18 2.2NF IS FAULTY. WS6674 PICTURE IS JUST SNOW (NO TUNING VOLTAGE)- RP19 (15K 1 WATT).OPEN CIRCUIT.
BUSH WS 6674 THE SET COMES OUT OF STANDBY BUT DOES NOT PRODUCE A RASTER- CHECK C406 DISC CAPACITOR FOR LEAKAGE.
BUSH WS6674 NARROW PICTURE - RV38 2.2R 1WATT O/C + CHECK THE SCAN PLUG FOR SIGNS OF BURNING / DRYJOINTS BEST TO HAND WIRE THE SCAN COIL LEADS TO PCB TO PREVENT A BURN UP.
BUSH WS6674 DEAD WITH THE LINEOUTPUT TRANSISTOR (S2000N) BLOWN - CHECK THAT THE GLUE AROUND CD21 HAS NOT EATEN INTO ANY PCB TRACKS OR THE NEW LINEOUT TRANSISTOR WILL SOON BLOW & CHECK FOR DRY JOINTS ALL OVER THE E/W & LINE OUTPUT STAGE AREA.
BUSH WS7673SIL DEAD- CHECK D002 & L801.
BUSH WS7673SIL DEAD WITH A TICKING NOISE- LOP TRANSISTOR (BU2508AF)& CHECK R29 (55R) LOPTX SUSPECT.
BUSH WS 7674 (PT92 CHASSIS)THE SET WAS DEAD WITH THE GREEN LED LIT, REPLACING THE LOPTX GOT THE SET WORKING AS NORMAL.
BUSH WS 7674 DEAD WITH THE GREEN LED ON, TDA 6107Q (RGB IC) S/C CHECK AT PIN 6 FOR A SHORT.
BUSH WST66 28ZKF TDA8350Q GETTING HOT
BUSH WST66 4400 EHT SURGE- REPLACE BD441 5VREG.
BUSH WST66 DEAD LED 2/3 FLASH,OFF LOPTX (ELDOR 1352 5006 HR8416)
BUSH WST66 DEAD LED 2/3 FLASH,OFF,LOPTR(S2000AFI/S2000N) CAUSE LOPTX ARCING
BUSH WST66 DEAD PSU SURGE, LOPTR(S2000AFI) LOPTX(4372 0030 ELDOR S065621350)
BUSH WST66 HOLD REMOTE MENU 6 SEC TUNING MENU, HOLD 3SEC WHITE FOR AUTOSEARCH
BUSH WST66 NO PICTURE GOOD EHT/HEATERS- SUSPECT THE 5V REGULATOR TP6(BD441/BD131)
BUSH WST66 SEE 28ZKF.
BUSH 1407 (ONWA) AUDIO DISTORTION SOUNDS LIKE SPEAKER IS FAULTY, BUT DESPITE REPLACING THIS AND THE AUDIO O/P CHIP IC201 KA2201 (TBA820M) AND VARIOUS CAPS AROUND THE CHIP THE FAULT REMAINED - ADDING AN 0.1UF CAPACITOR FROM OUTPUT OF THE CHIP (PIN 5) TO CHASSIS CLEARED THE FAULT.
BUSH 1435GTV DEAD FUSE OK,REPLACE Q801 & R809 AND IC801. TRANBUZ90AF. 0.47 OHM AND IC TDA4605
BUSH 1435GTV NO POWER ALL FUSE OK DEFECTIVE TRANSISTOR Q801 AND RESISTOR R809
BUSH 2020T THE PICTURE IS FLASHING AND NO TEXT REPLACE TPU2732 CHIP
BUSH 2515T STANDBY ONLY THE REPLACE 12V REGULATOR IC803
BUSH CTV100 DEAD SET REPLACE U900 AND U90
BUSH CTV100 NO POWER, 5 VOLTS MISSING DEFECTIVE IC21 REPLACE THIS PARTS SHOULD FIX THE PROBLEM
BUSH LCD32TV022HD WITH 17MB15 CHASSIS LCD TV INTERMITTENTLY NO START-UP OR DEAD AFTER A FEW HOURS. THE PSU REPLACED AND EEPROM IC RESOLDERED, BUT ON HELP. TRY TO RESOLDER IC220 (SDA5550) AND IC224 ON MAIN BOARD THE TV BACK TO NORMAL.
BUSH PDP42V51000 PLASMA TV NO PICTURE CHECK THE OUTPUT WAVE OF X,Y,Z B/D WITH OSCILLOSCOPE AND FIND THE TROUBLE B/D BY COMPARING THE OUTPUT WAVE W/ BELOW FIGURE- MEASURE POINT FO Y B/D : TP (CONNECTOR P4 80 PIN) - MEASURE POINT FO Z B/D : CONNECTION PART OF PANEL (SUS_OUT) - MEASURE POINT FO X B/D : L1(RIGHT), L2 LEFT BOTTOM, IF THE MEASUREMENT IS DEFFERENT REPLACE THE CONTROL B/D
BUSH PDP42V51000 PLASMA TV NO POWER REPLACE IC 15,IC 15,Q30
BUSH PDP42V51000 PLASMA TV NO POWER, FUSE KEEP BLOWING DEFECTIVE POWER SUPPLY UNIT DGK 420W

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