| Make | Model | Problem | Solution | Date |
| | | |
| Found: 14
|
| Decca | F series | No signals when aerial lead flexed | Resolder dry joints on 5 volt regulator (I403) | 14-09-04 |
| Decca | F series | Switches to st/by with led giving 4 flashes aft 20 secs | R909, R913 & R922 180k on crt panel. Also check D910/901 in beam lim also on crt base | 14-09-04 |
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| Decca | F Series D20TFG5 | Dead - PSU repair kit available part no 98-1313-6
| Q801 IRF1830G, Q404 BUT11AX, Q403 2SD468C, D801 DB107G, D805 130V 5W Zener, I402 opto Coupler, C412 1U63V, R814 0R39, R816 0R22, R802 10R, R812 330R | 14-09-04 |
| Matsui | 14TR50 F series | Sound but no raster at sw on thens shuts down with LED flashing every 4 secs | ReplaceR909, R913, R922 180K on tube base, D901 6.2V zener, 100k or could be 180K on tube base, R404 270K on main board. | 14-09-04 |
| Tatung | E & F series | Pulses at sw on 4 times then repeats | Check 180k bias resistors on crt base | 14-09-04 |
| Tatung | F series | Comes on with no G then reverts to prot mode - dead with st/by LED flashing | R913 o/c, R922, R903 hi res (all 180k on crt base) | 14-09-04 |
| Tatung | F series | Dead - PSU blown up | Fit Tatung PSU repair kit, but also change Q803 BF423 error amp Tr or will blow again. Initially caused by dry joints T802, T401 & degaus positor | 14-09-04 |
| Tatung | F series | Int remains in st/by with squeal | R812 & C807 sm by edge of chassis never been soldered | 14-09-04 |
| Tatung | F series | No video and shuts down after 20 secs, led flashing 4 times repeatedly. | R909 180K in blue drive cct. | 14-09-04 |
| Tatung | F series | Pic & OSD goes dark aft few mins | Check 3 x 180k res on crt base - R909, 913 & 922 | 14-09-04 |
| Tatung | F series | Sound, OSD but no pic - goes to st/by aft 10 secs with LED flashing 4 times | replace R909, R913 & R922 all 180k`s, ALL o/c | 14-09-04 |
| Tatung | F series | Trips 4 times then shutdown | check 180k bias resistors & D901/910 for s/c on crt base | 14-09-04 |
| Tatung | F series | Trips with excess HT up to 180v | Replace Chopper Tr, LOPTx, 130v avalanche diode & R814 0R39 | 14-09-04 |
| Tatung | F Series V14RFG1G | Blank raster at switch on OSG ok .Then goes to trip mode. Leds flash 4 times in a cycle | Replace R909.R913.R922 all 180k on CRT base board. | 14-09-04 |