Make | Model | Problem | Solution | Date |
| | | |
Found: 901
|
Hitachi | CPT2250 J | No startup. | R712. | 14-09-04 |
Hitachi | CPT2282 | Dead aft degaussing therm blown | Replace mains fuse & thermistor (P181 from CHS works) - won't work without this dual role therm | 14-09-04 |
Hitachi | CPT2288DS | St/by only | No o/p from sw mode PSU as LL04 coil o/c | 14-09-04 |
Hitachi | CPT2288DS | Standby - LED on - dead. | LL04 o/c - may be able to unwind & refit. | 14-09-04 |
Hitachi | CPT2476 | Bright pic varying left to right | cap in 200v supply on crt base | 14-09-04 |
Hitachi | CPT2476 | Int power off | Focus spark gap dirty & int arcing | 14-09-04 |
Hitachi | CPT2488 | Blanked out pic apart from strip at top & bottom - improves with heat | C574 100µ 40v in field timebase | 14-09-04 |
Hitachi | CPT2488 Sal k | BLANKED OUT PIC EXCEPT FOR TOP AND BOTTOM OF SCR | C574 100mfd , 40v | 14-09-04 |
Hitachi | CPT2488 Sal K | DEAD NO/LOW START UP 8.5v ON PIN 8 LF0059 | TRY DIAC OR TB541 BC557 | 14-09-04 |
Hitachi | CPT2508 | Dead | Q901,IC901,R901,ZD901 4v7,D904,R913,C928 and C919. Also there was blown print between D904 and ZD901. | 14-09-04 |
|
Hitachi | CPT2508 | Dead - Field coupling cap C610 100µ 25v exploded | Low res across 152v line due to s/c between field & line scan coils | 14-09-04 |
Hitachi | CPT2508 | Tripping | Replace C910 & 916 33µ 10v; C919 4n7 2kv; C927 2n2 2kv. Change C914 to 10µ, check C909 150µ 400v, R919, R920, R931 & R932 | 14-09-04 |
Hitachi | CPT2589 | FRAME COLLAPSE | REPLACE R715 AND IC601 | 14-09-04 |
Hitachi | CPT2598 | Field coll | R715 1R safety res, TDA3654 fop chip, D601 | 14-09-04 |
Hitachi | CPT2598 | No colour - ok on Txt | Chroma delay line | 14-09-04 |
Hitachi | CPT2598 | Wavering picture with colour
dropout which would randomly blank out to a blue
screen in short bursts. Occasionally there would
be no sound or vision at switch-on and only the
channel change working. | Replace C933 (2,200uF 25V) whose ESR
had risen to 27 and C932 (470uF 16V) whose ESR
had risen to 48. These two capacitors sit next to each
other between the delay line and a heat sink. They
were replaced with high temperature types. | 14-09-04 |
Hitachi | CPT2650 Sal J | Startup - Long time for picture to come on. | Incorrect grey-scale setting. | 14-09-04 |
Hitachi | CPT2655 | Dead supply line low | D508 in line stage | 14-09-04 |
Hitachi | CPT2656 | Bottom cramp - int | Preset RTB573 470R | 14-09-04 |
Hitachi | CPT2656 | Dead - supply lines low & chirp at sw off | D508 BY228 in lop leaky | 14-09-04 |
Hitachi | CPT2656 | To tune in chans 1 -4 | Enter service mode & sw off bit 0 - the little dot | 14-09-04 |
Hitachi | CPT2656 Sal J | Bottom cramp - top widened out. | Linearity pot RTB573 ( 470R ) | 14-09-04 |
Hitachi | CPT2656 Sal L | BLANK RASTER , NO SOUND . TDA4505 us . MAY HAVE TO | , RB135 TO 470K , RB122 AND 123 TO 220K , RB110 TO 1.5M , CB130 TO 33pf , RB128 AND RB587 TO 3.3K. IF NO COLOUR AND LINE TWITCHI | 14-09-04 |
Hitachi | CPT2656 Sal L | Dead | 300v ACROSS C707 BUT NO S2000AF COLL VOLTS R707 22ohm o/c T701 s/c | 14-09-04 |
Hitachi | CPT2656 Sal L | INT BOTTOM PART OF PICTURE DISAPPEARS | RTB573 470R PRESET INT OC | 14-09-04 |
Hitachi | CPT2656 Sal L | Int Negative pic | Check jumper links on Text PCB J33 | 14-09-04 |
Hitachi | CPT2660 Sal J | HIGH BRIGHTNESS AFTER FEW MINUTES | DRY JOINT METAL SCREEN CAN | 14-09-04 |
Hitachi | CPT2660 Salora J | Lack of width with hor bands across bright scenes | C712, 726 4µ7 63v, C514 1000µ 25v & C716 1µ hi esr | 14-09-04 |
Hitachi | CPT2808 | Dead | Check hi value res in psu - 100k o/c | 14-09-04 |
Hitachi | CPT2808 | Search tuning does not stop | R936 10k hi res | 14-09-04 |