C2846TN Repair Tips
Search: C2846TN
Results 19
Results 19
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Hitachi | C2846TN | Intermittent partial collapse of picture vertically picture squashes down temporarily | See Field collapse tip - it will happen so anticipate it and correct at you leisure rather than have the TV fail completely in the middle of you favourite show | ||
| Hitachi | C2846TN / C2546TN | Field collapse horizontal white line on screen | R710 dry joints. Same as C2146TN & C2546TN problem solved with thanks to Mike G & Barty. Power off/unplug. Get to circuit board underside with aerial socket up-R710 is near top and right of centre-cluster of 4 joints best resoldered | ||
| Hitachi | C2846TN 311 | Frame collapse or dotted line | Check and replace frame ic TA8427K or check R710 for open circuit, also check for possible dry joints on D601 | ||
| Hitachi | C2846TN A4 | St/by only or int goes to st/by | Dry joints R957 (near Q950 heatsink) & check drys on IC951, 952 etc | ||
| Hitachi | C2846TN A4 | Raster still present in st/by | D4470 1N4531 leaky (RHS of the heatsink audio IC4450), working diode must have 28V at one end and 3.5V at the other end. | ||
| Hitachi | C2846TN | Tripping with HT peaking at 170v | OK when dummy load touched onto HT rail with HT correct at 150v; R951 8k2 in opto cct hi res | ||
| Hitachi | C2846TN | St/by only | HT high at 160v (should be 150v) R950 68k risen to 80k | ||
| Hitachi | C2846TN | St/by only | IC952 dry joints | ||
| Hitachi | C2846TN | Shuts down int for first half hour | Dry joints esp at R719/R718 | ||
| Hitachi | C2846TN | Removing Code “C46TN” from screen | TV in factory set up mode - Using RCU, press two VCR REC buttons together. The MENU will appear, then switch to standby. Turn appliance back on and prompt should have disappeared. | ||
| Hitachi | C2846TN | No Sound via off air or scart | Replace IC002 24C04 (Programmed with correct file) | ||
| Hitachi | C2846TN | No sound (AV sound ok) | IC002 24C04 memory chip | ||
| Hitachi | C2846TN | No sound - ok thro scart | EEPROM faulty | ||
| Hitachi | C2846TN | No sound | EEPROM corrupt due to dry joints on regs - replacement pt no E730045 | ||
| Hitachi | C2846TN | MODEL OF TV DISPLAYED ON SCREEN | PRESS BOTH RECORD BUTTONS ON REMOTE SWITCH TO STANDBY THEN SWITCH OFF AT SET WAIT 30SECS THEN SWITCH BACK ON | ||
| Hitachi | C2846TN | Model no displayed (factory mode) | Press both rec buttons on hset, sw to st/by & then sw off at mains. Wait 30secs b4 sw back on. | ||
| Hitachi | C2846TN | Field collapse | TA 8427K and 2R0 safety res | ||
| Hitachi | C2846TN | Field collapse | R710 2R in FOP supply o/c | ||
| Hitachi | C2846TN | Field - lines at top of pic | TA8427K field chip |