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     Goldstar  

BRIDGEND & DISTRICT AMATEUR RADIO CLUB
 GW4LNP/GC4LNP
 

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TV Repair Database

 

Goldstar 20A80 No picture. FR406  OC   ( NO FIELD )
Goldstar 20A80AF Int reverts to st/by & won't come back on Sw mode tfmrT801  int o/c HT winding pt no 151-148A
Goldstar 2168F FIELD CRAMP ,  LINE ACROSS SCREEN C309  (  TANT  )  0.22mfd
Goldstar C1I20C22F CI21C22F No response to R/C or front controls Replace C814 & Q811
Goldstar CB14A80E Reduced width. 6-8 volts on supply pin of TDA8362 Replace TDA8362. Supplying +12V to supply pin of TDA8362, restored width but with no hor. Synchronization.
Goldstar CB14A80E Reduced width. 6-8 volts on supply pin of TDA8362 Replace TDA8362. Supplying +12V to supply pin of TDA8362, restored width but with no hor. Synchronization.
Goldstar CB14A80E Relay goes on, then off, immediately after switch on Change memory chip St24C02C.
Goldstar CB14A80E Relay goes on, then off, immediately after switch on Change memory chip St24C02C.
Goldstar CBZ9222E No horizontal sync. when cold. When hot, everything is OK. It was not possible to track the defective component with a freezer spray. Changed several caps around TDA2579 chip.
Goldstar CBZ9222E No horizontal sync. when cold. When hot, everything is OK. It was not possible to track the defective component with a freezer spray. Changed several caps around TDA2579 chip.
Goldstar CF25C22F Width excessive with bowing C413 10µ 250v u/s caused by C405 0µ22 low cap
Goldstar CF25C22F CF28C22 DEAD SET  ,  RELAY CHATTERS  ,  D401 SC CHANGE  ,  R308 - 33R 3W ORSO322L667  ,  D401 , D402 - RU4DS ODD400000AB  ,  X501 - 156-A05B . ALSO CHECK IC301  ,  ZD304 .
Goldstar CF25C22F CF28C22F Dead - no line drive - 150v HT ok SCL & SDA missing at pins 4 & 5 IC503. Replace X01N on Nicam pcb or IC03N if that doesn't cure it
Goldstar CF25C22F CF28C22F Dead Q801 chopper tr s/c Reduce R810 from 12k to 6k8
Goldstar CF25C22F CF28C22F Dead with relay chattering Change R308 to 33R 3w, D401/402 to RU4DS & X501 to pt no 156-A05B
Goldstar CF25C28CF Field collapse Fit kit which contains TDA8350QN5 (don't use TDA8350Q)
Goldstar CF25C28F E-W Dist Q351 KTB988Y s/c e-c & FR359 22R ½w fus res high
Goldstar CF25C28F Field collapse IC351 TDA8350Q & mod kit KITPC58A
Goldstar CF28A50 PC58A Field - dist top edge of pic Check electrolytics in field stage & fop chip IC351 TDA8350Q
Goldstar CF28C22F Dead - all psu volts present - lop tr hot C405 0µ22 400v bulged & leaky (checked ok out of cct)
Goldstar CF28C28F Field collapse Replace IC351 TDA8350CQ fop chip & check adequate heatsink compound & clip is secure
Goldstar CF29C20N E/W & field adj problems after changing TDA8350Q Add 220R res across b-e of Q301
Goldstar CI14A20 No tuning - osd works No 33v tuning supply - FR403 5R6 o/c
Goldstar CI14A80 Reverts to st/by aft few secs EEPROM 24C04 - does not req preprog chip
Goldstar CI14A80 CI14A80F ORIGINAL TUBE NO LOGER AVAILIABE  ,  ORDER Pt No 205 C422-0.39uF 20v 181-013C  ,  L402 H.LIN 150-LO2B  ,  R424 6k8 2W ORS6801K607  ,  FR404 10R 1W ORF0102J607  ,  C902 270pF OCN2710K519
Goldstar CI14A80F Dead - chopper Tr BUZ90A s/c R821 150k o/c also replaced R802 680k; R819 130k; R806 120k - TDA4605-2 may have been damaged but wasn't
Goldstar CI14A80F CI20A80F CI21A80F Dead - Q801 chopper tr s/c Replace IC801 & check R821 150k & R806 120k
Goldstar CI14A80F CI20A80F CI21A80F Dead - R802 680k failed Fit 1w version instead of ½w
Goldstar CI14A80F CI20A80F CI21A80F No tuning or tuner drift Check Q18 - if no 33v check FR403 - if o/c fit 1R ½w
Goldstar CI14E20F CI20E20 SOUND OR COLOUR VARIES INT. IC01 Pt No OISG853403A . CHECK ALSO Q06 FOR DRY JOINTS .
Goldstar CI14E20F CI20E20F CI20A96F Int sound & col variation Replace IC01 & check Q06 for dry joints
Goldstar CI20A50 Field collapse FR718 3R3 o/c
Goldstar CI20A80 No pic Check FR406 26v fuse in fop stage
Goldstar CI21A80 etc Won't come on from st/by May be in child lock - use r/c to sw on
Goldstar CI21C22F dead dry joints in lop stage
Goldstar CI21C22F height varies with audio content HT smoothing cap 220µ 160v
Goldstar CI21C22F Running PSU on dummy load ground base of Q812
Goldstar CI21C22F Trips at sw on Lop tr leaky (reads ok out of cct)
Goldstar CI-21C22T int start up, int no pic, int txt dry joints
Goldstar CI4A80A Dead - 4A fuse blackened R821 150k hi res, BUZ90 Q801 chopper s/c & replace TDA4605-2 chopper chip
Goldstar CI9902F St/by only R761 2k7 hi res
Goldstar CI9902F Stuck in standby. R761 2k7 HIGH
Goldstar CI990LT St/by only - relay clicks at sw on HT low at 60v instead 115v - check C8075 33µ 160v
Goldstar CIS4361 No picture - sound ok no crt htrs due to taernished pins on 4 pin connector by Loptx
Goldstar CIS4361 No picture. 4 Pin connector by LOPT pins tarnished  (  feed to heaters  )
Goldstar CIS4441 Bright white raster - sound ok Replaced R424/425 Ibeam res under loptx - - A1 setting VERY critical
Goldstar CIS4441 Brightness excessive with pic appearing only briefly at sw on Check/replace resistors 680k on crt base
Goldstar CIT 2172X int start up, int no pic, int txt C811 47µ 25v, C812 100µ 16v,C808 1µ 50v, C813 100µ 16v remove glue, check relay
Goldstar CIT 2190F No sound. CHECK FOR MUTE STATE IC1401
Goldstar CIT2068F St/by only - if mains sw held in snowy raster shows Micro IC701 pins 31 & 32 had no 10Mhz signal present - Xtal faulty
Goldstar CIT2068F Stuck in StBy - if switch held in set starts but o No 10Mhz on pins 31 32 of micro as xtal us
Goldstar CIT2162X Int loss of signals Tuning vots increases to 31v - bad conn on lead between tuner prescaler & tuning pcb
Goldstar CIT2162X INT low gain or just snow tuning VOLTAGE AT 30v INT OC IN LEAD FROM PRESCALER TO TUNING PCB
Goldstar CIT2162X Low brightness. C820  (  10uF  )
Goldstar CIT2162X  PC08X8 Dark - only get pic when A1 at max 180v to vid stage high at 278v; C401 10µ 160v on 112v rail o/c
Goldstar CIT2168 Dead - 118v HT low at 50v C806S 47µ 160v HT smoothing cap
Goldstar CIT2168 Field collapse - int Pin 5 TDA1170N was 5v instead of 25v. D301 1N4003 faulty. If chip turns out to be faulty use genuine Goldstar chip (others won't work - allegedly) Also check R320 10R 1w
Goldstar CIT2168 Int start up D401 1N4003 o/c in line dr supply
Goldstar CIT2168 No start up Check R811P 22k 3w, D805P R10J in start up cct, C805P 100µ 16v
Goldstar CIT2168 Sound muted & goes to Stby after 10mins. Replace the TDA1940 IC401 remove the link J8 & fit 1k instead.
Goldstar CIT2168 Txt absent Dry joints conn P102 on txt pcb
Goldstar CIT2168F Field foldover C423, C302 100µ 35v
Goldstar CIT2168F  CIT2190F etc No sound - pic ok - sw to st/by aft 10 mins Pin 7 IC401 TDA1940 produces muting o/p - chip u/s. Fit 1k res in place of J8 link
Goldstar CIT2170 Fails to power up from StBy D/J on main relay : remove retin & replace
Goldstar CIT2170F No start up or int sw off Check for dry joints on main relay
Goldstar CIT2170F Patterning from cold C827 1000µ 25v leaky
Goldstar CIT2170F Patterning horiz lines on pic C827 1000µ 25v - tested ok on esr meter
Goldstar CIT2172 Cannot store contrast setting (Too low) Normal - change R520 to 18k
Goldstar CIT2172X No Text after replacing TDA3651. Must only use TDA as supplied By Goldstar
Goldstar CIT2172X Remains in search mode R80 1M5 high res
Goldstar CIT2172X CIT2175X Low contrast at sw on & can't be stored Replace R520 with 18k
Goldstar CIT2172X CIT2175X No sound when playing pre recs Adj L204 quarter turn clockwise
Goldstar CIT2175X Frame - height & linearity poor. C202  ( 0.22uf )  connected to pin 2 of TDA4502.
Goldstar CIT2175X Int dead with motorboating sound Check all elects in psu - remove glue first by freezing
Goldstar CIT2175X Int loss of sound & pic L202 - green coil labelled 2K2 was int o/c
Goldstar CIT2175X Linearity poor/lach of height C202 0µ22 in field osc cct
Goldstar CIT2175X Poor height / lin C202 0.22µ connected to pin 2 TDA4502
Goldstar CIT2175X Slow start up C811 47µ 25v also check C812 100µ 16v, C808 1µ 50v & C813 100µ 16v
Goldstar CIT2176 Dead - fuse blown R806 270k o/c, IC801 TDA4601 s/c, Q802 2SD1911 s/c, R801 4R7 5w o/c
Goldstar CIT2176 Trips then into st/by C710 4µ7 250v
Goldstar CIT2180 Frame collapse. IC301 & R320
Goldstar CIT2180 Lack of width & height with line across centre of screen C807 33µ 160v
Goldstar CIT2180 No tuning. FR401  (  ON 40V RAIL )
Goldstar CIT2180 Sound muted & goes to Stby after 10mins. Replace the TDA1940 IC401 remove the link J8 & fit 1k instead.
Goldstar CIT2180F Dead hairline cracks around pins of chopper tfmr
Goldstar CIT2181 Int loss of Sync. C413 LEAKY
Goldstar CIT2181 tripping - HT only 65v C807S leaky
Goldstar CIT2181FG Colour disappears aft 20 mins Freezing chroma Del line brought it back - DL faulty
Goldstar CIT2181FG Dark pic, lack of height & field non lin C806S 47µ 160v
Goldstar CIT2181FG dead HT low at 25v (118v) on dummy load; C807S 4µ7 160v
Goldstar CIT2181FG Dead C801P 10µ 16v & C805P 100µ 16v hi esr, dry joints D803S
Goldstar CIT2181FG Dead - no LED C805P 100µ 16v in psu
Goldstar CIT2181FG Flyback lines at top of screen when cold C302 100µ 35v
Goldstar CIT2181FG Pic int blanked off - sound ok Txt causing fault  - to disable txt pcb link pins 1 & 2 skt 1, 1 & 5 skt 2, 2 & 6 skt 2 & pin 10 skt 1 to pin 4 skt 2
Goldstar CIT2181FG Sync int lost I/p to TDA1940 chip lost due to leaky C413
Goldstar CIT2181FG Txt lines showing C302 100µ
Goldstar CIT2190 Field collapse preceded by lines at top TDA1170N IC301 u/s caused by C311 100µ 35v by chip
Goldstar CIT2190 Txt int Dry joints Q1 emitter on Txt pcb
Goldstar CIT2190F Dead - No line drive D401 oc 1N4003
Goldstar CIT2190F Field collapse TDA1170N IC301 u/s caused by C302 100µ 35v
Goldstar CIT2190F No pic, line drive or EHT D401 1N4003 o/c in line dr supply
Goldstar CIT2190F No sound CHECK FOR MUTE STATE IC1401
Goldstar CIT2190F No sound -  Disconnect  P7 of IC401 if sound Ok. IC401
Goldstar CIT2191 Etc DEAD  330v SUPPLY OK C805 100uF 16v CHOPPER COUPLER OC
Goldstar CIT2570F Field cramped & foldover with no lum for first 2 mins C308 2200µ in 16.5v rail hi esr
Goldstar CIT2588 Pic int blanks out (no lum) Replace VC53 on Txt pcb
Goldstar CIT2588F PICTURE BLANKS OUT INT. VC53 Pt No 181-169A
Goldstar CIT4175 St/by only - dead when sw on No line drive - D812 1N4003 o/c
Goldstar CIT4785 Dark pic with field non lin C820 HT cap 10µ 160v
Goldstar CIT4785 Field collapse 40v wform at pin 2 of LA7830 chip - check C305 100µ 16v
Goldstar CIT4785 Int no sound/pic/field collapse - display stuck on "0"; no r/c or front controls int s/c on 12v line - P101 pin 11 s/c to adj pin
Goldstar CIT610S St/by only with squeal C830 220µ 25v o/c, R808 270k replaced as a precaution, C818 1µ 50v o/c, C802 100µ 25v hi esr, R811 1R ½w o/c
Goldstar CIT9172 Dead - click from speaker at switch off. FR817  ( 5.6R  )  o/c.
Goldstar CIT9172 Dead - fuse blown. Q801 ( 2SD1878 )  s/c , IC801 ( TDA4601 )  faulty , R811 ( 120k )  o/c.
Goldstar CIT9172 Frame collapse. IC401 ( TDA8214A )
Goldstar CIT9172 Height slowly decreases from switch on. FR718 high at 26R
Goldstar CIT9172 Int pic - sound ok Dry joints fop chip IC401
Goldstar CIT9172 No frame. IC401  ( TDA8214A )
Goldstar CIT9172 Will not tune in - snowy raster. R821 ( 6.8k )  o/c.
Goldstar CIT9325 No pic, sound & EHT OK & Not field collapse If when connecting an RGB o/p tr coll  to chassis via 10k res the pic returns until sw off, change TDA3562A col dec chip
Goldstar CIT9508 Dark pic, lack of height & field non lin C820 10µ 160v
Goldstar CIT9508 Dead, relay clicks at sw on but no line drive FR802 1R fusible in 22v supply o/c for no apparent reason
Goldstar CIT9508 Int dark or no pic Int A1 control
Goldstar CIT9508 No picture or int dark picture A1 control on lopt int oc
Goldstar CIT9508 Pic fades out due to loss of crt heaters Dry joints P451 crt htr supply on main pcb
Goldstar CIT9902F Dead No 110v to lop stage - D803S dry jointed in mains bridge rect cct
Goldstar CIT9902F Not starting , HT low. C807S OC 33uF.
Goldstar CIT9902F St/by only Osc feed to IC701 X701 10Mhz Xtal u/s
Goldstar CIT9902F Won't come on unless sw to st/by first Start up supply low due to D401 hi res
Goldstar KI14V38 No pic, no OSD, sound ok SDA bus is low because of leaky zener ZD502  5.1V
Goldstar KI14V38 KI20V38 UNSTABLE COLOUR ON PLAYBACK . CHANGE C519 TO 15pF 50v OCC1500K415  ,  IC502 TO TDA4665 OIPH466500B .
Goldstar KY14V30 Dead - both TV & VCR sects STR6707 power chip s/c; ZD802 6.8v zener leaky
Goldstar P58A Field lin - top 1/2 of pic collapsed TDA8350Q field/EW chip IC351
Goldstar P58A No E-W corr FR359 10R 1/2w fusible o/c
Goldstar PC04A Black blobs on top sides of screen C406 1µ 160v in line scan coupling
Goldstar PC04A Dead No HT - rect D803 o/c
Goldstar PC04A Field lin dist top 1/4 of pic D301 flyback boost cap leaky - used 1N4001
Goldstar PC04A Field scan problems IC301 TDA1170N TFK version, C301 1000µ 35v, C302 100µ 35v, C309 & C311 0µ22 35v & D301, R320 is 10R 1w
Goldstar PC04A Frame collapse. TDA1170A SC    REPLACE  C311 ALSO
Goldstar PC04A No sound & reverts to st/by aft 10 mins Replace IC401 & fit 1k res in place of link J8
Goldstar PC11A Int operation Dry joints TDA8214 IC401 or chip faulty - screen cover must be fixed firmly for IF to work
Goldstar PC31A dark lines, whine C812 0.22µ, 63v connected to pin 7 of IC801
Goldstar PC31A Dead - psu running Line dr was 20khz, No 12v to IC501 TDA8362 - Reg IC401 7812 o/c
Goldstar PC31A Momentarily trips on bright scenes R802 680k had wrong value (68k) fitted
Goldstar PC31A Poor HT reg & sw off on prolonged bright pic R802 had incorrect value of 68k instead of 680k
Goldstar PC-33 Vert dist with lines across screen C305 6µ8 100v bi-polar
Goldstar PC33J field collapse fit KITPC33J from CPC - includes diodes chip etc
Goldstar PC33J Field o/p chip repeatedly fails Fit mod kit KITPC33J
Goldstar PC33J Lack of height FR301 1R in fop hi res
Goldstar PC42 Blank raster with on screen display, no sound IC831 12v reg faulty - low o/p 
Goldstar PC42B No start up - led indicator works HT low at 35v (109v); 12v Reg IC831
Goldstar PC53A No front control op   "Lock on" displayed when attempting to turn off with hset EEPROM 24C08
Goldstar PC58A E/W distortion C359 & L351 running hot. O/c print by Q351
Goldstar PC58A Field Collapse TDA8350Q field/EW chip IC351
Goldstar PC73A Flyback lines at top of screen when cold FR359 10R fusible o/c
Goldstar RC7013 AGC action - pulls/poor pic on weak sig C707 4µ7 50v
Goldstar RC7031 Critical AGC level adjustment cut off C707 4.7mfd 50v
Goldstar    KBV-9012E TV/VCR Combo White raster with retrace lines, the set switches off after a while. L901 (in series with +180V supply to RGB trs) oc, the +180V winding of Loptx delivers 300V!! (Di&smooth.Cap OK) Replace C820 10uF/160V cap. Note that +180V supply delivers 300V, while +B and all other voltages are normal. Seems to be a weird LOPTx fault, but it was C820 instead.
Goldstar    KBV-9012E TV/VCR Combo White raster with retrace lines, the set switches off after a while. L901 (in series with +180V supply to RGB trs) oc, the +180V winding of Loptx delivers 300V!! (Di&smooth.Cap OK) Replace C820 10uF/160V cap. Note that +180V supply delivers 300V, while +B and all other voltages are normal. Seems to be a weird LOPTx fault, but it was C820 instead. C820 IS NOT the smoothing cap for +180V.


 


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