| Make | Model | Problem | Solution | Date |
| | | |
| Found: 901
|
| Hitachi | G7P | Int start up | C912 4n7 across TDA4600 faulty | 14-09-04 |
| Hitachi | G7P | Nicam poor with clicking | Adj coil L5 on panel between Txt & Nicam boards | 14-09-04 |
| Hitachi | G7P | No line sync - pic displaced to right | No line pulses IC701 pin12 - R726 2R2 o/c (also check R605) | 14-09-04 |
| Hitachi | G7P | NO MEMORY STORE | CHECK R173 , R174 , R723 | 14-09-04 |
| Hitachi | G7P | NO PIC JUST SNOW , NO CONTROLS OR REM WORK | IC601 FIELD CHIP AN5521 ( CHECK FOR FIELD PULSES AT PIN 15 OF IC101 ) | 14-09-04 |
| Hitachi | G7P | NO TUNING | R138 ( 10k ) OC. | 14-09-04 |
| Hitachi | G7P | No Txt - P100 only | C2109 820pf | 14-09-04 |
| Hitachi | G7P | Set dead H.T. high & tripping | ZD903 & R909 ( 39K ) | 14-09-04 |
| Hitachi | G7P | Set dead many semis in PSU s/C | Replace Q903 Q904 : R909 R912 R902 R903 R760 R761 R762 R766 R901 : ZD903 Check Q781 & D782 Replace 2.2ohm across Q760 | 14-09-04 |
| Hitachi | G7P | Sometimes starts then cuts out after few mins | R919 , R920 ( 100k ) feed to TDA4601 gone high. | 14-09-04 |
|
|
| Hitachi | G7P | St/by only after trying to start | s/c across 27v rail as IC601 TA8427K is s/c | 14-09-04 |
| Hitachi | G7P | Txt missing | Xtal X2231 in txt cct | 14-09-04 |
| Hitachi | G7P | Won't store chans | D706 & R723 in lop stage dry jointed or faulty | 14-09-04 |
| Hitachi | G7P Mk2 | Blank white raster. | C711 dry jointed by LOPTX. | 14-09-04 |
| Hitachi | G7P Mk2 | buzz on sound - flat pic | vid det coil L202 | 14-09-04 |
| Hitachi | G7P Mk2 | Dead | TDA4601 chopper chip - also replace C914/5/6/7 | 14-09-04 |
| Hitachi | G7P Mk2 | Dead - HT high | X ray prot operating due to R716 51k res dry jointed | 14-09-04 |
| Hitachi | G7P Mk2 | Dead R901 3R9 7w surge lim res o/c | C919 4n71kv leaky & check C928 2n2 2kv | 14-09-04 |
| Hitachi | G7P Mk2 | Dead with only 33v HT at LOPtr | C909 150µ 400v mains smoothing cap o/c | 14-09-04 |
| Hitachi | G7P Mk2 | Field bounce or st/by only | IC703 MC7809 9v reg dry jointed or faulty | 14-09-04 |
| Hitachi | G7P Mk2 | FOP chip has short life | Check HT is not too high - if so U know what to do! | 14-09-04 |
| Hitachi | G7P Mk2 | Goes off aft half an hour | Dry joints C711 47µ 200v | 14-09-04 |
| Hitachi | G7P Mk2 | Green raster with flyback lines | R808 22k ?w o/c | 14-09-04 |
| Hitachi | G7P Mk2 | grey raster with fb lines | C711 47µ 200v bulging & faulty by LOPTx | 14-09-04 |
| Hitachi | G7P Mk2 | int pic size/ht | C906 4µ7 250v | 14-09-04 |
| Hitachi | G7P Mk2 | Mass of lines at centre of screen | Comes/goes with board flex - C702 dry joints - near IC701 FOP chip | 14-09-04 |
| Hitachi | G7P Mk2 | NO GO | R920 100k OC | 14-09-04 |
| Hitachi | G7P Mk2 | no sound or pic - ht ok | field collapse. No 9v to field chip as MC7809 IC703 o/c | 14-09-04 |
| Hitachi | G7P Mk2 | No start up | C911 82pf across pins 2 & 3 TDA4601 psu chip | 14-09-04 |
| Hitachi | G7P Mk2 | no tuning | R044 12k 0.5w o/c ZD002 30v tuning volts diode o/c | 14-09-04 |