Make | Model | Problem | Solution | Date |
| | | |
Found: 93
|
Ferguson | TX92 | Bright pic 1" left hand side of screen - Txt OK | Adding decoupling to Tuner 12v supply improved - replace tuner cured it | 14-09-04 |
Ferguson | TX92 | Constant tripping - HT rails only half normal when trip disabled by linking pins 9 & 14 IP70 | RL08 10k burnt (sm on print side below LOPTr), also check DL08, DL60 & DL61 for leaks - check LOPTr | 14-09-04 |
Ferguson | TX92 | Dead - 2.5A fuse o/c | Rect diodes DP07/8 s/c; TP16 s/c; IP01 TDA4605-3 replaced - caused by dry joint CP13 1n5 1.6kv | 14-09-04 |
Ferguson | TX92 | Dead - 2.5A nains fuse o/c | TP16 chopper mosfet s/c due to RP11 (3 x 180k) o/c | 14-09-04 |
Ferguson | TX92 | Dead - 330v Pri volts present no start up volts | holding the switch on the front in
would get it to work. the mechanical latch on the switch was broken! | 14-09-04 |
Ferguson | TX92 | Dead - bow up | CP13 dry joints & TP16,D6.7,8,9,IP01,FP01& DP51 125v rect s/c | 14-09-04 |
Ferguson | TX92 | Dead - LED pulsing | Replace LOPTx & LOPTr (LOPTr measured ok on meter) | 14-09-04 |
Ferguson | TX92 | Dead with flashing LED | LOPTx & sm res & diode on underside of print replaced | 14-09-04 |
Ferguson | TX92 | DEAD WITH NO LED | REPLACE IP50 12V REGULATOR | 14-09-04 |
Ferguson | TX92 | E-W dist | LL22 E-W tfmr s/c winding - managed to rewind (39 turns on each of the 3 sects) | 14-09-04 |
|
Ferguson | TX92 | Ghosting/ringing pic which couldn't be fine-tuned | Tuner faulty | 14-09-04 |
Ferguson | TX92 | Goes off aft 1 min with start up diode IP50 overheating | DP55 diode o/c - should take over supply feed once set has come on DP55 = 1N4001 mono, BYV10-20 in stereo model | 14-09-04 |
Ferguson | TX92 | Int no pic - sound ok | dry joints crt hts pin 10 crt base | 14-09-04 |
Ferguson | TX92 | LED dim & no functs (in Child lock mode) | Hold down st/by button whilst powering up | 14-09-04 |
Ferguson | TX92 | low sound with background hiss aft storm | micro needs setting up after standard changed to wrong system | 14-09-04 |
Ferguson | TX92 | No pic or sound or sigs | No 12v supply pin 2 tuner - choke CH03 o/c | 14-09-04 |
Ferguson | TX92 | no signals - ok on scart | tuning volts at pin 6 of tuner stuck at 33v - BC847B sm TH01 s/c b-e | 14-09-04 |
Ferguson | TX92 | No sound | TS90 BC848B sm in mute cct | 14-09-04 |
Ferguson | TX92 | no start up - pulses 3 or 4 times | RP28 coil connects on/off sw to pin 11 of TDA4605 (should read 1R) | 14-09-04 |
Ferguson | TX92 | No text - just blank screen | TT01 sc , shown in manual incorrectly - collector should go to 5v - emmitter to CT13 | 14-09-04 |
Ferguson | TX92 | Pic goes progressively darker aft 20 mins | Dry joints line o/p heatsink | 14-09-04 |
Ferguson | TX92 | Pic gradually darkens | Dry joint psu heatsink to earth corrupts micro | 14-09-04 |
Ferguson | TX92 | Picture intermittently goes off into severe RF patterning or off tune altogether . | Resoldered all earth points in the tuner , all coils in tuner , IC in tuner , dry joints around line output transformer , SAW filter | 14-09-04 |
Ferguson | TX92 | PSU off with bang | DP53 22v line rect BY297 leaky; IP01 TDA4605-3 u/s | 14-09-04 |
Ferguson | TX92 | Service mode | Disconnect any Scart lead from receiver. Switch set to Standby with remote. Turn set off with AC switch. Whilst depressing the RCU blue text button switch on TV AC switch. Release & press again blue text button. Set-up menu should now be displayed on screen. Use Vol - or + to highlight the required menu containing the function you need. Press blue text button to access function. To switch between service & TV modes press "TV" button on RCU. To return to service mode press blue text button again. To store new values, highlight memo & press + button on RCU. To set to factory default (In extreme cases only) use a long press on RCU's "0" button. To leave service mode turn to standby mode. | 14-09-04 |
Ferguson | TX92 | Shuts down at start up | Starts ok when DS4 dis'd. Only 30v with ripple at DP51 - CP52 100µ o/c | 14-09-04 |
Ferguson | TX92 | St/by only - initial burst of EHT | Pin 4 IP70 TDA8139 reg high at 5v instead of 0v. To overide prot cct link c-e of TL60 BC548B. If now ok fault in prot cct - DF30 BAV103 o/c in FOP cct | 14-09-04 |
Ferguson | TX92 | St/by only - LED blinks initially with buzz from line o/p stage thens reverts to st/by | HT about half of normal 130v; RL08 sm under loptx burnt - change the following:- RL08, 10k SMD
CL07, 10nf 400v
DL08
DL60
DL61, LL4148 SMD
LL05, LOP-TX
Also check
RL47, 3R3 Safety Res
TL41, BD681 | 14-09-04 |
Ferguson | TX92 | Stuck in St/by - burst of EHT at sw on | R212 2R2 in field feed o/c | 14-09-04 |
Ferguson | TX92 | Stuck in St/by - burst of EHT at sw on | DF30 BAV103 sm diode in prot cct o/c | 14-09-04 |