Make | Model | Problem | Solution | Date |
| | | |
Found: 170
|
B & O | Beovision 8802 Type 7001 | Blank raster, no sound, OSD OK | R1 1,5Ohm o/c, TR1-TR2 BC 338-25 o/c, D1 13V Zener s/c
| 14-09-04 |
Beko | 2841ND - 14.1 chassis | Lines across top 3 - 4 inches of pic | R422 35v feed to IC501 fop chip never been soldered | 14-09-04 |
Bush | 2768NTXSIL | St/by only - LOPTr blown | Also replace line dr tr 2SC1573 | 14-09-04 |
Bush | WS6673SIL | Trips with LOPTr 2SD2579 s/c | Check dry joints C626 flyback cap & measure its value 12nF 2kv | 14-09-04 |
Bush | WS7673SIL | Dead | D002 dry joints, chopper FET s/c, L801 o/c | 14-09-04 |
Bush | WST Professional 4400 series | Service Mode access | hold menu button while turning CTV on until the red LED lights up. Release the menu button and press standby. | 14-09-04 |
Ferguson | TX100 Chassis (Turkish) | Switches to Stby after a while. | Change two 5V regulators in the control board.(TDD1605) | 14-09-04 |
Goldstar | MC41 A chassis | Dead with STRS6707 blown | Check C819 4n7 2kv for burn before replacement | 14-09-04 |
Goodmans | 256NS L6.3AA Chassis | E/W dist | C2913 (390n 250v) and 7908 (STP4NA40F1) mosfet | 14-09-04 |
Goodmans | 286NS (Philips L6.3 chassis) | No sound - noise only from speakers | MPS3410 chip faulty - replaced audio pcb | 14-09-04 |
|
Goodmans | TX92 chassis | Hotel mode (no tuning menu) - to unlock | ) turn TV in to standby from remote
2) turn power off from mains on/off switch and wait until led goes off.
3)hold standby button on remote control and power up from on/of switch hold standbye button for about 10 seconds then de/active hotel lock. | 14-09-04 |
Grundig | 3500 Chassis | No tuning , check pins 13 , 15 of tuner/IF for tunin | If stuck at 30v replace SDA3202 and SDA2516 | 14-09-04 |
Grundig | GSC200 Chassis | Arcing in picture. Reduced width with torn edges. | The HO Transformer has a built in fuse holder which houses a 50mA fuse. (connected in series with the high tension cable). Replace the fuse and clean the contacts. | 14-09-04 |
Grundig | GSC200 Chassis | Black screen, EHT at about 18 KVs. | Change Di511. | 14-09-04 |
Grundig | GSC200 Chassis | No sound or Picture, led displays not lit.EHT at 18KV. | C2607 in relay PCB Sced.Check also D334 and D335 in tuning module as in one case they were found to be Sced together with C2607. | 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 | C28300,C2576TN etc A5 chassis | Field lin & lines at top of pic | C725 33nF 400v | 14-09-04 |
Hitachi | C28300,C2576TN etc A5 chassis | Int trips & lines | C719 4µ7 250v smoothing cap for 200v in E-W corr & check joints T702 (under plastic strut) & R950 68k near HT pot | 14-09-04 |
Hitachi | C28300,C2576TN etc A5 chassis | Red pic with fb lines | R829 fusible on crt base o/c (not shown on cct diag) | 14-09-04 |
ITT | Chassis 80R110 | Set switches to Stby after running for a while. | Change D761 13V zener.Seems to be OK with a Vom. | 14-09-04 |
JVC | AV21F1EK JX Chassis | No OSD ot Txt - could be int | Check dry joints reg IC522 | 14-09-04 |
JVC | AV25F1EK JX Chassis | Dead - LOPTr Q502 BU508AFI s/c | Caused by faulty LOPTx | 14-09-04 |
JVC | BYX chassis | Loss of some chans | IF module SBY-F004A proved to be heat sensitive - retune T102 V C Osc coil | 14-09-04 |
JVC | BYX chassis | No memorise chans or settings | IC001 MN1226S, C106, C107 on station select module | 14-09-04 |
Loewe-Opta | ME26/Chassis110C8 | East-West. Excessive width, won't adjust. | Change L573. Seemed to be OK visually. | 14-09-04 |
Loewe-Opta | ME26/Chassis110C8 | Very int. Field collapse, white line in the center of screen for a few seconds, and then black screen with no sound. | When the problem occurs, make continuity check between pin 12 of the yoke plug and pin6 of vertical IC. If open, fit a piece of wire. | 14-09-04 |
Loewe-Opta | ME26/Chassis110C8 | Won't start, goes to Stby. Hor driver T541 Sced, supply resistor R503 oc. After replacement, It was Sced again. | Change C546 0,33uF/250V located in front of the LOPT transistor. Also check/replace C503 22uF cap. | 14-09-04 |
Metz | 11AK20 Chassis | Switches to standby when hot. | Change/replace C601 100nf and C605 3,3uF. | 14-09-04 |
Metz | 11AK20 Chassis | Won't search/Search menu is not correct. Displays "enter channel number" although tuner is not synthesised. | Replace microcontroller IC. | 14-09-04 |