|
Toshiba |
2112 -252 |
BLACK FLASHING LINES RUNNING UP THE SCREEN WORSE W |
ICV01 TA8777N AV SWITCHING IC |
|
Toshiba |
2112DB |
BLANK SCREEN NO ONSCREEN , NO REMOTE |
DF80 5.6v ZENER SUPPLY TO TEXT PT. NO. Toshiba A7116415 |
|
Toshiba |
2112DB |
Dead |
Loptx faulty tho tested ok |
|
Toshiba |
2112DB |
DEAD-NO PSU |
IC801 ( TDA4601 ) |
|
Toshiba |
2112DB |
Field flyback lines at top |
C331 1µ & C333 100µ |
|
Toshiba |
2112DB |
FIELD JITTER , PIC BREATHING |
Q833 ( S1854 - Toshiba A6907751 ) |
|
TOSHIBA |
2112DB |
FRAME FOLDOVER |
REPLACE C333 100MFD63V |
|
Toshiba |
2112DB |
Goes into StBy aft 30 mins |
Check pin 64 micro controller ic for D/J |
|
Toshiba |
2112DB |
IC501 NOT SUPPLYING LINE DRIVE |
LINE OP TRANSISTOR |
|
Toshiba |
2112DB |
LACK OF HEIGHT |
R339 GONE HIGH VALUE SHOULD BE 1.2OHM 1W |
|
Toshiba |
2112DB |
LOPT SC Pt-No 23236427 AFTER REPLACING NO STBY |
CHECK ALSO Q843 Q845 |
|
Toshiba |
2112DB |
LOUD CRACK FROM SPEAKERS WHEN TURNED OFF |
C639 ( 100mfd , 25v ) |
|
Toshiba |
2112DB |
No col |
Q546 BC547A |
|
Toshiba |
2112DB |
OSD IN BLACK TELETEXT DARK |
REPLACE ICY50 |
|
Toshiba |
2112DB |
SWITCH ON-LOUD BUZZ THEN STANDBY |
IC605 ( LA4282 ) AUDIO OP SHORT |
|
Toshiba |
2112DB |
WONT GO TO STBY |
Q845 2SC2023 Q843 ( 2SA1321 ) |
|
Toshiba |
2112DB - 2512 - |
Tripping |
D807 BYD33J |
|
Toshiba |
2112DB - 2512 - |
TRIPS IN NORMAL OPERATION - OK IN SBY |
D812 13v ZENER Toshiba 23316337 ( REDUCES PIN 5 IC801 BELOW THRESHOLD
VOLTAGE ) |
|
Toshiba |
2112DB etc |
Field collapse |
Check drive pin 32 IC501 TA8783N dec/tb chip - if absent chip could be u/s |
|
Toshiba |
2112DBT |
3 flyback lines at top of screen |
C333 100µ 35v in field stage |
|
Toshiba |
211E4B |
INT SHADING ON LH SIDE , NO LUM , TEXT OK |
R220 1.5K OC |
|
Toshiba |
211E4B |
LOW , DIST SOUND |
D632 |
|
Toshiba |
211E4B |
NO COL , BLANK RASTER WITH TEXT |
C319 OC. |
|
Toshiba |
211E4B |
NO TEXT ( LOW VIDEO SIGNAL TO TEXT BOARD ) |
D204 |
|
Toshiba |
211E4B |
STAYS IN TV MODE WHEN TEXT SELECTED AND CHANNELS C |
DS10 ZENER DIODE |
|
Toshiba |
211E4B 212E4 2 |
LOW HT ( 85v ) |
R810 HIGH |
|
Toshiba |
211E4B etc |
WONT GO TO SBY , JUST SNOWY RASTER |
DR10 OPTOCOUPLER |
|
Toshiba |
211E4B 212E4 21 |
SNOWY PIC |
C104 AGC CIRCUIT |
|
Toshiba |
211E4B 212E4 21 |
TEXT LINES TOP OF PIC |
D203 |
|
Toshiba |
211E4B 212E4 21 |
WONT STOP ON SEARCH - GOES INTO SEARCH MODE |
CA28 / CA29 REM SEL PCB |
|
Toshiba |
211E4B 212E4 213 |
LOSS OF VIDEO IN NORMAL PIC MODE MAY BE INT |
IC02 VIP CHIP TEXT PCB |
|
Toshiba |
211E4B 212E4 213 |
PULSATING PIC WITH RAPID CHANGES IN PEAK WHITE |
D242 |
|
Toshiba |
211E4B etc |
COGGING , NO FIELD SYNC , POOR LINE SYNC |
C303 |
|
Toshiba |
211R3B |
Herringbone patt & verts not straight |
Mains bridge rect smoothing cap 240µ 400v |
|
Toshiba |
211T4B |
Cogging & hum - no field sync |
C303 ( 560pf ) |
|
Toshiba |
211T4B |
Ringing - on verticals at top of screen. |
C408 ( 10uf , 35v ) |
|
Toshiba |
211T4B |
Sound - has rustling at low volume. |
R637. |
|
Toshiba |
211T4B |
Sync - poor line sync & no line sync. |
C303 ( 560pf ) |
|
Toshiba |
211T4B |
WHEN CHANNELS CHANGED SET GOES INTO SEEK |
ICA11 47C232AN4984 |
|
Toshiba |
212E4 |
LOW , DIST SOUND |
D632 |
|
Toshiba |
212T4B |
Dead |
R801 6R2 o/c, Q803 BC337 s/c, Q802 s/c, IC801 opto coupler & D810 leaky |
|
Toshiba |
212T4B |
PIC REMAINS WHEN TEXT SELECTED |
CHECK SETTING OF TV/VID/RGB SWITCH |
|
Toshiba |
212T4B |
St/by only for first 20 mins |
C814 22µ 50v low cap |
|
Toshiba |
2132-2145-2545-1 |
NO ON SCREEN DISPLAY ( TA8403K NOT SUPPLYING FIELD |
REPLACE IC 301 Pt No B0377890 |
|
Toshiba |
2132DB |
INT AUDIO MUTE , DARK SCENES ( MAINLY VIDEO/SAT PLA |
CHANGE RB10 FROM 3.9k TO 2.7k |
|
Toshiba |
213DB |
NO POWER WITH WHISTLE FROM POWER SUPPLY |
CHECK Z821 |
|
Toshiba |
213R4B |
Int / perm field collapse no drive at pin 1 TDA365 |
C312 10nF sc |
|
Toshiba |
213T4B |
Blue band across screen (ref osc) |
Adj line hold control |
|
Toshiba |
213T4B |
Slow start up |
C814 22mfd 50v in psu |
|
Toshiba |
2141RB |
Dead - st/by only |
R878 27R o/c |
|
Toshiba |
2145 |
LOSES SOUND MOMENTARILY ON BRIGHT SCENES |
1mfd CAP BASE Q604 |
|
Toshiba |
2145DB |
DEAD WITH HT AT 50V BUT COMES UP TO 150V AFTER DISCONNECTING LINE O/P |
REPLACE D474 |
|
Toshiba |
2145DB 2545DB |
Changes in contrast when playing back DVD with Macrovision |
Add 47k resistor between pins 54 & 61 TA88088N IC501 |
|
Toshiba |
214E4 |
Set dead StBy LED goes out when R/C pushed but set |
C815 ( 0.039uF ) |
|
Toshiba |
214R7B |
Int reverts to st/by |
Dry joints pri joints st/by tfmr |
|
Toshiba |
214R7B |
Pulses on hi brill |
D242 1N4148 in beam curr lim s/c |
|
Toshiba |
214T7B |
DEAD STBY LIGHT GOES OUT WHEN REMOTE PRESSED |
C815 .039uF |
|
Toshiba |
2151DB |
No line or field sync |
IC501 TDA8361 |
|
Toshiba |
215R8B |
Field lin |
C317 4µ7 50v |
|
Toshiba |
215R8B |
No pic |
Int CRT htrs - dry joints at P502 (under plastic loptx cover) |
|
Toshiba |
215T8B |
INT. FIELD-LINE COLLAPSE |
DRY JOINT SCAN COIL CONNECTOR P570 |
|
Toshiba |
215T8B |
LOW BRILL/CONTRAST , POOR FOCUS , LOOKS LIKE LOW EMM |
CHECK R920 ( 3ohm ) CRT HEATER SUPPLY |
|
Toshiba |
215T8B |
NO TEXT , JUST PAGE NUMBER ( WHICH CAN BE ALTERED ) |
CF14 0.01mfd |
|
Toshiba |
215T8B |
Stuck in standby. |
CHECK VOLTS AT PIN 7 ( 5V RESET ) OF MICRO QA01 if low check Q805 if ok
ICA01 u/s PTNo 23318387 - M34300N583SP |
|
Toshiba |
2163DB C6S |
No line sync from cold, sound mute appears only momentarily, unable to enter
service mode |
CB12 560p low cap - sync pulse feed to pin 34 QA01 |
|
Toshiba |
2163DB C6S |
Poor character width in Text mix. |
Q501 TB1229N poor , replace with improved type - TB1229AN PtNo B0102070 |
|
Toshiba |
216R9B |
field collapse/lin |
C303 2µ2 50v |
|
Toshiba |
216T9B |
field lin dist |
C303 2µ2 to pin 31 of TA8659A col dec/ tbase chip IC501 |
|
Toshiba |
216T9B2 |
Field lin |
C303 2µ2 50v, C317 2µ2 50v both red & possible hi esr |
|
Toshiba |
2173DB |
DEAD |
CHECK R868 10K FOR O/C |
|
Toshiba |
2173DB |
TELETEXT OFF CENTRE |
ENTER SERVICE MODE AND SELECT TEXT AND SET UP |
|
Toshiba |
218D9B |
Field lin stretched at top |
C317 2µ 50v, C308 2µ2 50v - little red caps near fop chip |
|
Toshiba |
218D9B |
No pic - blank raster when A1 advanced - sound ok |
No scastle pulse pin 35 TA8659N - C410 2700pf dry joint (Under plastic frame
by LOPTx) |
|
Toshiba |
219T9 |
DEAD STR54041 SC |
CHECK Q802 BASE EMITTER AS IF SC - STR WILL BLOW AGAIN .CHECK OUT OF CCT |
|
Toshiba |
219T9B |
DEAD , IC801 STR54041 INACTIVE CHECK FOR 5v AT PIN |
R483o/c SAFETY RESISTOR |
|
Toshiba |
219T9B |
DEAD NO 5v ON CONNECTOR P587 PIN 6 |
R843 15R OC |
|
TOSHIBA |
219T9B |
HT DOES NOT GET ABOVE 90V |
REPLACE C814 100MFD50V |
|
Toshiba |
219X9M |
Severe foldover bottom frame low height |
replace C303 1mfd 63v |
|
Toshiba |
21T4B |
Frame collapse - may be intermittent. |
C312 int s/c. |
|
Toshiba |
221E |
Frame top foldover. |
C313. |
|
Toshiba |
221T3B |
Field Top foldover - Ok when warm. |
C312 ( 10uf , 35v ) |
|
Toshiba |
2226 |
No line sync. |
R402 ( 15k ) o/c. |
|
TOSHIBA |
2226 |
SET SPRINGS TO LIFE AFTER BEING STUCK ON STANDBY |
REPLACE C932 100MFD25V |
|
Toshiba |
2500DBT |
poor field lin |
C317 2µ2 next to fop chip heatsink |
|
Toshiba |
2500TB |
CHOPPER TRANSISTOR SC |
CHECK R810 330k |
|
Toshiba |
2500TB |
Field - top of pic stretched |
C303 2µ2 o/c |
|
Toshiba |
2500TB |
Field lin |
C303 2µ2 50v in field drive near pin 32 TA8659 |
|
Toshiba |
2500TB |
If chopper tr sc check R810 330k out of cct |
Ht should be set for 145v |
|
Toshiba |
2500TB |
PICTURE VISIBLE FOR FEW SECS WITH SCAN FAULT THEN |
R448 2.7ohm HIGH Toshiba 4984279 ( 12v TO TAA8659AN FALLS TO ABOUT 8v ) |
|
Toshiba |
2500TB |
SEVERE CHROMA PATTERNING FROM COLD REDUCES AS SET |
C515 22uF OC |
|
Toshiba |
2500TB |
VIBRATION FROM CABINET |
REFIT BUTTON ASSY. ADD FELT ( TAPE AVAILABLE FROM TEC DEPT ON REQUEST ) |
|
Toshiba |
2500TB5 |
CLOCK STOPS ON TEXT HOLDING PAGE SELECTED |
DRY JOINTS ON XF01 ON TEXT PCB |
|
Toshiba |
2500TBT |
Field scan distorted |
C317 2µ2 50v |
|
Toshiba |
2500TBT |
POOR EW IC361 HOT |
D368 30v ZENER OC |
|
Toshiba |
2505 , 2527 |
DOLBY SUOUND FAULT |
SEE Toshiba TEC BULLETIN |
|
Toshiba |
2505DB |
FIELD COLLAPSE WITH 4-5 FLYBACK LINES ABOVE THE LI |
IC371 TA8739P Pt No BO383680 |
|
Toshiba |
2505DB |
int blue mute screen |
dry joints tuner |
|
Toshiba |
2505DB |
Int loss of signals |
Dry joint 4Mhz Xtal in tuner |
|
Toshiba |
2505DB |
INT PICTURE DISAPPEARS SCREEN GOES TO BLUE MUTE |
XTAL IN TUNER PRESCALER DRY |
|
Toshiba |
2505DB , 2805DB |
WONT COME OUT OF SBY AT POWER ON VOLTS ON PIN 37 O |
ICA07 MEMORY CHIP ( Toshiba 23319016 ) |
|
Toshiba |
2505DBT |
BLANK RASTER , NO SOUND , NO REMOTE FUNCTIONS |
CHECK QV22 FOR DRYS ON BACK TERMINAL PCB |
|
Toshiba |
2505DBT |
INT MOTORBOATING FROM ALL SPEAKERS IN SBY . CHECK |
MOVE GREEN WIRE FITTED BETWEEN SOCKET M002A PIN C AND M002B PIN C TO FIT
BETWEEN M002A PIN C AND ADJACENT TINNED SUOUNDING |
|
Toshiba |
2505DBT/ 2805DBT |
VERY QUIET TICKING FROM RH SUOUND SPEAKER WHICH |
REMOVE R610 AND JUMPER LINK J109 |
|
Toshiba |
2507DB |
Focus slightly out & int brightness |
CRT faulty |
|
Toshiba |
2512 -252 |
BLACK FLASHING LINES RUNNING UP THE SCREEN WORSE W |
ICV01 TA8777N AV SWITCHING IC |
|
Toshiba |
2512DB |
Dead |
Replaced TDA4601 and SE140N |
|
Toshiba |
2512DB |
FIELD JITTER , PIC BREATHING |
Q833 ( S1854 - Toshiba A6907751 ) |
|
Toshiba |
2512DB |
Int crackling/static noises fro rh chan in st/by |
Resold joints in audio o/p chip area |
|
Toshiba |
2512DB |
lack of width & cogging from cold |
C424 4µ7 100v on sub panel at front rh of chassis |
|
Toshiba |
2512DB |
Lack of width. |
R425 o/c , loading coil L423 ( TX100 EW PCB ) width , EW adj via H/set |
|
Toshiba |
2512DB |
LOW WIDTH + EW FAULT R425 OC |
L423 SHORT TURNS |
|
Toshiba |
2512DB |
Non lin field |
Caps (2µ2 & 220µ) in screening can on small pcb back RHS of main pcb |
|
Toshiba |
2512DB |
Shrunken and non-linear frame |
C372 (2u2F 50v), C374 (220uF 16v), C372 (2u2F 50v) which are all mounted
under a screening can on a sub panel at the front right (as seen from the
rear). Also C317 (2u2F 50v) positioned under the overhang of the sub panel
on the main board. |
|
Toshiba |
2512DB |
STATIC DISCHARGE FROM SPEAKER GRILLS |
USE STATKIT TO DIRECTLY CONNECT GRILLS TO CHASSIS ( SUPERCEDES JULY
BULLETIN RE FITTING NEW CABINET ) |
|
Toshiba |
2512DB |
STUCK IN STBY IF PIN 64 ICA01 OK AT 5v CHECK PIN 3 |
REPLACE IC805 Pt No23318232 |
|
Toshiba |
2512DB |
WONT GO TO SBY |
Q845 ( 2SC2033 - Toshiba 23314246 ) |
|
Toshiba |
2512DB 2812DB C91SB |
Poor width , corrugated effect on side of picture . |
C424 4u7 PtNo24676479 |
|
Toshiba |
2512DBT |
Field - lack of height with bottom compressed |
C372 2µ2 under screening can on DPC board |
|
Toshiba |
2512DBT |
Height reduced & E-W bowing |
C372 2µ2 & C374 220µ in DPC module |
|
Toshiba |
2512DBT |
Lack of height & wobbly outlines |
Elects (esp brown ones) in hor driver module |
|
Toshiba |
2512DBT |
POOR NICAM WITH WHISTLE CRACKING/POPPING |
REDRESS SCAN COIL LEADS AND DIGITAL DATA LEADS |
|
Toshiba |
2512DBT |
Service mode access |
Press the "F" button & video input button together on R/C. Enter "1048" R/C;
"M" appears at the top right hand corner of screen. Hold "F" button & press
picture menu button - Menu item up. Hold the "F" button and press the sound
menu button - Menu item down
Adjust using the volume "+" and "-" buttons - Go to standby to store and
exit. |
|
Toshiba |
2512DBT |
St/by cannot be initiated |
s/c tr in psu |
|
Toshiba |
2512DBT |
Whistling , crackling , popping poor sound. |
Redress scan coil , nicam signal leads. |
|
Toshiba |
2512DBT |
Won't go into st/by |
2SC2032 (not 2SC2033) |
|
Toshiba |
2527DB |
CRACKLE ON NICAM , FM. AND EXT SOURCES |
ICG07 AUDIO PROCESSOR ( TA8776N ) BACK TERMINAL BOARD |
|
Toshiba |
2527DB |
DEAD , POWER AND TIMER LEDS FLASHING HT 40v AND VAR |
Q828 2SC2230A-Y |
|
Toshiba |
2527DB |
Field cramp at bottom & lack of height |
C322 2µ2 50v in ramp cct & C317 220µ 16v 12v decoupler |
|
Toshiba |
2527DB |
HUM FROM SPEAKERS AT LOW VOL |
MOVE BLUE SLEEVED LEAD FROM PIF CAN. ( CONNECTS TO PA03A ) |
|
Toshiba |
2527DB |
NO AUDIO FROM REAR SPEAKERS ON PSEUDO SUOUND MOD |
CG25 10mfd 16v |
|
Toshiba |
2527DB |
NO TEXT |
DA32 6.2v ZENER |
|
Toshiba |
2527DB |
Stuck in standby. |
ZP82 PROTECTOR ( Toshiba 23144450 ) REMOVES SUPPLY TO PIN 40 IC1501 |
|
Toshiba |
2527DB 2927DB 3327DB C2D |
Reduced height from cold or Frame cramping. |
Replace C321 0u018 ( pin 14 IC302 ) C322 2u2 50v ( pin 15 IC302 ) if no
better , replace IC302 PtNo B0384680 TA8859P. |
|
Toshiba |
2535 |
DEAD , POWER SUPP IN OVERVOLTS MODE , 11v HT INSTEAD |
CHECK IC670 , D670 - 675. TA8218AH ( VOLTS AT PIN 9 OF IC801 VARY ,
5-8v. OP VOLTAGE CONTROL LOOP INOPERATIVE AS IC826 HAS NO S |
|
Toshiba |
2535DB |
Int sync |
dry joints on /or xtal ZF01 27Mhz on Txt pcb |
|
TOSHIBA |
2539DB |
LINE HOLD OFF AND NO TEXT |
REPLACE RF80 10 OHM |
|
Toshiba |
2539DB |
NO SOUND - WOOFER NOT WORKING ( WOOFER DOESNT WORK |
CHECK D672 / 673 etc. |
|
Toshiba |
2539DB, 2939DB, 3339DB |
Contrast changes when playing DVDs with Macrovision |
Add 10k res between pins 54 & 61 of IC501 & R211 from 1k to 4k7 |
|
Toshiba |
2545 |
NO TEXT OR REMOTE FUNCTIONS |
REPLACE 27MHZ CRYSTAL |
|
Toshiba |
2545-1 |
NO ON SCREEN DISPLAY ( TA8403K NOT SUPPLYING FIELD |
REPLACE IC 301 Pt No B0377890 |
|
Toshiba |
2550TB |
PARTIAL FRAME COLLAPSE AND NO SOUND |
REPLACE R480 AND IC480 |
|
Toshiba |
2550TB |
Width lacking with E/W corr faulty |
QD01 2SB688 leaky - or was it a dodgey heatsink? Insulate from heatsink |
|
Toshiba |
2552DB |
Dead aft storm |
STRS6708 in psu, opto coupler & error amp Q827 S1854FA, E/W chip Q302
TA8859AP |
|
Toshiba |
2552DB |
NO PICTURE OR REMOTE FUNCTIONS |
IF ZP82 O/C REPLACE IT AND TUNER |
|
Toshiba |
2552DB |
Pic int goes to blank raster |
Service sw S202 int |
|
Toshiba |
2555DB |
No line or field sync |
27 Mhz Crystal XT01 next to the SAA I.C., on the actual P.C.B. the cct ref
is ZF01. |
|
Toshiba |
2557DB |
NO LINE OR FRAME SYNC |
REPLACE Q501 |
|
TOSHIBA |
2557DB |
PLOPPING NOISE FROM CENTRE SPEAKER ON CHANNEL CHANGE |
REPLACE C664 10MFD16V |
|
Toshiba |
2557DB 2857DB 2577DB 2877DB 3357DB 3377DB |
Dead - green led flashes every 3 secs - no line drive |
Check D431 1N4148 o/c removing supply to pin 22 TA1222AN IC501 |
|
Toshiba |
2557DB 2857DB 3357DB C5SS |
Dot or worm like pattern on bright areas of picture . |
L910 on CRT base OC. PtNo23289479 |
|
Toshiba |
2557DB etc |
Dead - green led flashes every 3 secs |
No line dr from IC501- D431 o/c 1N4148 |
|
Toshiba |
2557DB etc |
No surround or central sound |
headphone mute tr Q611 2SA1015 |
|
Toshiba |
2557DB etc |
No surround or centre sound |
Hphone mute tr Q611 leaky 2SA1015 |
|
Toshiba |
255R7B |
NO ON SCREEN DISPLAY |
D403 LEAKY |
|
Toshiba |
255R7B 255T7B |
DEAD Q404 SC. |
PIN 27 OF PLUG 570 DRY JOINTED |
|
Toshiba |
255T7B |
Dead. |
Line transistor can use a S2000AF due to drys on LOPTX/Scan Plug. |
|
Toshiba |
255T7B |
INT LOSS OF COL |
C551 SUBCAIER ADJUSTMENT TRIMMER |
|
Toshiba |
255T7B |
no sound or pic blank raster |
vid present at pin 6 vid sw chip QV01 but no further - supply to chip
missing due to CV08 1000µ s/c & RV11 180R o/c |
|
Toshiba |
255T7B |
Will not go into StBy |
Q803 2SC2023 Q804 2SA1321 |
|
Toshiba |
256T9B |
after repeated chan change loses all stations |
dry joints eeprom |
|
Toshiba |
256T9B |
Stuck in standby. |
S/C pins 25/26 if comes on IC M37100M8-5835P + may be 4MHz Xtal |
|
Toshiba |
2577B |
SPARKLES ON LEFT HAND SIDE OF SCREEN SPREADING TO COVER WHOLE PICTURE |
REPLACE X501 |
|
Toshiba |
258R7B |
E-W dist |
D368 05Z30Y & E/W IC TDA8145 on e-w sub pcb |
|
Toshiba |
258T7B |
Blank raster when set is warm. |
CV03 ( 0.01u f ) |
|
Toshiba |
258T7B |
Bright white raster. |
D205 ( IN4148 ) o/c. |
|
Toshiba |
258T7B |
DEAD Q802 SC R808 OC AFTER REPLACING SET STILL D |
LINE OP TRANSISTOR & LOPT SC |
|
Toshiba |
258T7B |
Dead with burning smell |
C464 2n7 2kv burnt |
|
Toshiba |
258T7B |
Dead with puff of smoke |
C646 2700pf 2kv in lop had split |
|
Toshiba |
258T7B |
FIELD COLL SAFETY RES OC |
TDA8145 SC ON DPC PCB |
|
Toshiba |
258T7B |
Field jitter. |
D301 ( IN4148 ) o/c. |
|
Toshiba |
258T7B |
Flashing or negative picture. |
CV03 ( 0.01u f ) |
|
Toshiba |
258T7B |
No luminance on teletext. |
D204 ( IN4148 ) o/c. |
|
Toshiba |
258T7B |
No raster- may be int. |
Drys on P570 scan coil connector ( P No: 23305501 ) |
|
Toshiba |
258T7B |
NO TUNING , JUST SNOW , NO OSD |
DB01 5.1v ZENER |
|
Toshiba |
258T7B |
off with whistle from psu |
D820 s/c also replace C820/838/840/844/845/846/847/501/866/869 |
|
Toshiba |
258T7B |
Poor contrast. |
DA70 ( IN4148 ) o/c , R549 ( 470R ) |
|
Toshiba |
259D9B |
Field foldover |
C313 220µ |
|
Toshiba |
259D9B |
INT NICAM |
DRY JOINT ON QG16 5v REG ON NICAM PCB |
|
Toshiba |
259D9B |
INT. SOUND |
Q196 INT. OPEN |
|
Toshiba |
259D9B |
No sound |
Sound o/p chip AN7171NK blasted due to hi volts caused by C866 & 869 10µ 50v
in psu pri |
|
Toshiba |
259D9B |
No sound & o/p IC getting hot |
AN7171K o/p ic & check 10µ elects in cct |
|
Toshiba |
259D9B |
No sound from cold |
Replace 470µ smoothing cap in 12v supply in psu near LOPTx |
