| Make | Model | Problem | Solution | Date |
| | | |
| Found: 86
|
| Aiwa | VXS140 | Blank raster & no VCR funct except clock | FR551 [0.1 ohm 1/6 Watt] O/C | 14-09-04 |
| Aiwa | VXS140 | Lack of brightness on Video playback & off air | No 800V screen drive Increase FR752 from ( 1K ) to ( 1K5 ) PtNo 87022388060 | 14-09-04 |
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| Aiwa | VXS140 | TV sect remains on (No st/by) | 115V power switching transistor Q550 [2SB816E] was S/C C-E | 14-09-04 |
| Ferguson | TX807 Thomson 14MS15UT | dead, no LED | DP25 RGP10 s/c | 14-09-04 |
| Grundig | GCS100 | Dead - blowing fusible resistor. | Insulating pad under TY501 leaky. | 14-09-04 |
| Hitachi | CS1415RE | Dead - PSKE130 prot diode s/c due to excessive HT | Won't run on dummy load - has 220v HT off load; Q 951 BF422 Leaky Base Em. | 14-09-04 |
| Hitachi/Fujian | HFS1425 | Store function inoperative-Does not hold memories. | Pin2 of M58655 memory chip, must be at -30V. If not, check/ replace C920 1uF/250V cap. | 14-09-04 |
| Hitachi/Fujian | HFS1425 | Store function inoperative-Does not hold memories. | Pin2 of M58655 memory chip, must be at -30V. If not, check/ replace C920 1uF/250V cap. | 14-09-04 |
| JVC | 25S1 | No sync in off air & AV mode | No sync pulses at IC201; IC103 -(Mc4066BF. SMD) on Text Board | 14-09-04 |
| JVC | 25S1EK MXII | NO VISION - WONT TUNE IN | C119 47n IF UNIT. ON PIN 2 IC 101 | 14-09-04 |
| JVC | 25S1EK MXII | StBy LED changes red to gren but no line drive | Check Q902 V if missing R903 ( 2K2 ) o/c | 14-09-04 |
| JVC | AV21TS1EK | Lack of height aft 10 mins | TDA8351 & check FR552 0R82 2w, FR553 TDA8351 is at fault. Check the supplies lines at this IC. Pin 6 should be 47.3V and Pin 3 should be 14.9V. If this is incorrect check resistors FR552 0R82 2W part No
QRH027K-R82M. and resistor FR553 6R8 1/2W part No QRH127J-6R8M. These resistors are at pins 8 and 7 of the LOPTX. | 14-09-04 |
| JVC | AV21TS1EK | No sound Nicam or FM - if Txt selected header appears for 1 sec then reverts to pic | R619 sm not soldered properly | 14-09-04 |
| JVC | AV25GS1EK | Dead - no 146v supply | D2031 BY229-600 o/c | 14-09-04 |
| JVC | AV25GS1EK | Reverts to st/by aft I sec | removing eeprom type cat35c104hp allows set to run - eeprom faulty | 14-09-04 |
| JVC | AV25GS1EK & AV25S1EK etc | Dead - HT starts to rise then decays | D521 BY228 in EW cct | 14-09-04 |
| JVC | AV25GS1EK MX | St/by only | Dis pins 5 & 6 of EEPROM to check - if set powers up then EEPROM may be faulty (IC704 pt no CAT35C104HP) | 14-09-04 |
| JVC | AV25S1EK | At sw on LED red then green, red then out - dead | C468 (4u7F 50v) blown its top and R526 (39R 0.5w)burnt also D521 (BY228) s/c | 14-09-04 |
| JVC | AV25S1EK | Dead or int dead - front LED operates ok & HT/LT readings ok | Check R903 & 904 2k2 & dry joints on st/by trs Q902 & 901 near them | 14-09-04 |
| JVC | AV25S1EK | DIM PIC | C1206 LEAKY 3.3mfd | 14-09-04 |
| JVC | AV25S1EK | Dim pic with green tint | No volts at IC201 contrast control pin as C1206 3µ3 leaky | 14-09-04 |
| JVC | AV25S1EK | Field collapse | TDA3654 FOP chip | 14-09-04 |
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| JVC | AV25S1EK | FRAME COLLAPSE | REPLACE FRAME IC TDA3654 | 14-09-04 |
| JVC | AV25S1EK | LED COMES ON AND THEN GOES RED THEN OFF | CHECK FOR S/C E/W STAGE R526, C458 AND D521 39 OHM, 4.7MFD50V AND BY228 | 14-09-04 |
| JVC | AV25S1EK | Led goes red, then green then off at sw on - no start | R526 39R, C458 4µ7 50v & D521 BY228 in E/W cct | 14-09-04 |
| JVC | AV25S1EK | NO LINE DRIVE | R903 2.2k BASE BIAS TO Q902 SLIGHTLY HIGH | 14-09-04 |
| JVC | AV25S1EK | Shuts down at sw on | D521 BY228 s/c, C468 47µ, R526 0R22? | 14-09-04 |
| JVC | AV25S1EK | Shuts down immediately after sw on | D521 BY228 s/c, C468 47µ , R526 0R2 | 14-09-04 |
| JVC | AV25S1EK Mk2 | Always comes on in st/by - sometimes at full vol | EEPROM IC104 corrupt - pt no CAT93C66P | 14-09-04 |
| JVC | AV25S1EK MXII | Unstable pic with line jitter | Video o/p from IF module has ragged sync pulses - 1µ elect cap in AGC feed | 14-09-04 |