| Make | Model | Problem | Solution | Date |
| | | |
| Found: 901
|
| Hitachi | C1420VT | No pic/sound | No tuning volts - 33v stab ic faulty | 14-09-04 |
| Hitachi | C1420VT | St/by only | Prot tr Tr7550 faulty | 14-09-04 |
| Hitachi | C1422R | PSU off with a bang | D801 bridge rect DB107G s/c, chopper Q801 IRFI630G s/c, D805 BZT03C130 130volt 1.3watt zener s/c, R814 0R39 1/2w o/c. R813 0R22 1/2w o/c, Q404 BUT11AX LOPTr s/c, or fit T9813136. CHS code -12022TM (expensive) | 14-09-04 |
| Hitachi | C1474R | Dead | ZD910 S.C. BZX79C2V7 | 14-09-04 |
| Hitachi | C1474R | No sound | IC201 TDA4503 - pin 13 should be 3.2v but read 0v | 14-09-04 |
| Hitachi | C14P218 | St/by only | R902 82k o/c, R903 82k o/c | 14-09-04 |
| Hitachi | C15P108 Salora L | SLOW START UP | CN10 1000uF 35v | 14-09-04 |
| Hitachi | C15P108 Salora L | TEXT OK BUT NO PICTURE | PFO1 220R PRESET O/C FEEDS PIN 34 TDA3301 | 14-09-04 |
| Hitachi | C1646 | Dead - tries to start. | R908 22K high or o/c . making HT rise so set shutting down instantly , chk HT with line o/c & bulb | 14-09-04 |
| Hitachi | C1646 | DEAD , FUSE BLOWN | CHANGE Q903 -T 633133 , Q901 - 2390022 , IC901 T900406 ZD903 T536171 ZD904 - T 536171 , ZD901 - T 536197 | 14-09-04 |
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| Hitachi | C1714T | Pic size decreases with brightness | HT low - CNX82A opto coupler IC901 s/c pri | 14-09-04 |
| Hitachi | C1714T | St/by only | Dis supply to fop chip to check if this is cause - if then ok apart from field collapse, check fop chip TA8427k & D702 | 14-09-04 |
| Hitachi | C1714T etc | Field o/p chip repeatedly fails | Replace ic 601. get two 33v Zener diodes and connect them in series ( BZX79C33V) connect the anode to pin 1 of ic601 cathode to pin 2 of ic 601. Fit 10nF 50v capacitor across the frame scan plug E701 on print side of the plug. If the ic still blows after this mod. a new CRT is required. The tube is flashing over. This applies to all sizes of 14T/TE range of sets | 14-09-04 |
| Hitachi | C1714TE (A15 chassis) | No Txt & delay in returning to st/by | Check 5v supply pin 44 micro - if low ZD4001 5v1 zener is sus | 14-09-04 |
| Hitachi | C1714TE (A15 chassis) | To acess service menu | press the following buttons on the remote:
4 4 STATUS MUTE TV in that order and fairly quickly. The service menu is displayed.
Check that BYTE 1 = 7D; BYTE 2 = 20 These are two hex digits - to exit menu press st/by | 14-09-04 |
| Hitachi | C1719T | Dead | C906 4µ7 250v, ZD903 P6KE130 & check R902/3 82k & C908 33µ | 14-09-04 |
| Hitachi | C17P118 L | Standby - going into standby intermittently | Drys on transformer M600 , crack from pin 1 to D709. | 14-09-04 |
| Hitachi | C2086 | Goes into prot mode | Syscon chip pin 36 leaky - replaced Z90234 | 14-09-04 |
| Hitachi | C2086 | Service Mode | press and hold down the TV/VIDEO key and then press power switch | 14-09-04 |
| Hitachi | C2114R | At switch on the raster would turn bright green wi | but this time the blue gun was aftected. | 14-09-04 |
| Hitachi | C2114R | Bright green raster with flyback lines | Crt faulty (s/c within tube) | 14-09-04 |
| Hitachi | C2114R | Pic displaced to right | Clipper diodes D704 & 703 1N4531 | 14-09-04 |
| Hitachi | C2114R | Still dead aft replacing psu comps blown (HT OK) | IC601 TA8427K fop chip faulty | 14-09-04 |
| Hitachi | C2114T | Dead with 330v at chopper tr | R901 82k start up res o/c | 14-09-04 |
| Hitachi | C2114T | dead with s/c field chip 112v ht hi at 130v | R951 39k hi value and field chip | 14-09-04 |
| Hitachi | C2114T | Int loss of pri col | RGB o/p Trs breaking down | 14-09-04 |
| Hitachi | C2114T | Loss of sigs/functs | IC001 TMP47C1237N/N155 faulty - fit kit A523217 (New IC & links) | 14-09-04 |
| Hitachi | C2114T | No R/C functs aft ? hr | Micro supply high at 5.35v - Zener ZD001 | 14-09-04 |
| Hitachi | C2114T | No sound aft few hours | TNP47C1237N micro responds to heating/cooling & faulty | 14-09-04 |
| Hitachi | C2114T | No text. | X2231 IN TEXT CCT PtNo E516045 | 14-09-04 |