M Repair Tips
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Results 3358
Results 3358
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Sony | KVM2511 AE1 | Can not switch on the set, supply ok | Suspect L807 of o/c Pt no. 140750400 also check R008 and C017 | ||
| Telefunken | S5400DMD ICC10 | At switch on the Led Blinks 3 times, supply tries to come up with a Tick-Tick sound. After trying 4 times to come up it goes to error standby with Led blinking very fast. Error code 3 | Make sure primary side of power supply is ok by desoldering jumper JL26, connect Pin 3 of IL01 protection to pin 4 ground. Bypass DP127. Put 100W/230V lamp on usys. Turn on the set the lamp should glow and pot PP120 should regulate it. I found CL007, CL015 and TL003 shorted | ||
| Daewoo | Video Combi Model: GB14F7T1 | Smoke came out of vents, then shut down | Small pin hole in line output transformer type FSA36012M | ||
| Grundig | M70-1690 CUC6369 | Dead, SI621 1.6amp blown apart | Replace SI621 1.6A, SI601 2.5A, D620 B380 C2000/1500 REC, T644 IRFBC40 mosfet, IC631 TDA4605-3, C633 100uF,25v, this was caused by dry joints on C648 | ||
| Toshiba | V709B Samsung | Very slow rewind / fast forward | Center Gear assy u/s, cracks and drags on , same will apply to Samsung and some Sony machines etc | ||
| Salora | M | Procedure to enter service mode | Press P then * then 0/AV then # then >M * and # change function Vol+ and Vol- change value >M store current value TV exit service mode 1..7 and . bytes option | ||
| Toshiba | Video Combi Model: VTV1402S | Dead, or intermittent start up. No voltage supply to line driver | Check R504 270k, feed to switching transistor. Goes high or o/c | ||
| Sharp | TV14 Cinema Borg | When set switched on "ENTER YOU LOCKCODE" appears on screen, customer had forgotten the lock code | Replaced the Microprocessor64 pins | ||
| Matsui | Vid Combi Model: TVR185 | Accepts tape then immediately ejects it | The capstan motor was faulty. Fitted new motor | ||
| Mitsubishi | CT25M2TX | Frame collapse, destruction of AN5521 frame chip at switch on | Replace the AN5521 then replace the 47uF, 35v electrolytic in the power supply. Also check the 330uF, 35v capacitor next to the frame chip for leakage | ||
| Panasonic | TC15M1R | Tries to start, led lights once, and shuts down | Disconnect pin 6 of loptx, set should run with frame collapse. Replace frame IC to effect cure | ||
| Toshiba | AVM 2505 G3V25050 | Will not come out of standby, no picture | If at power on voltage on pin 37 of the micro drops low then reverts to 5v suspect memory chip ICA07 Toshiba 23319016 | ||
| Akura | CX35 Nicam | Vertical height oversize | The eprom was found to be faulty nvm | ||
| Panasonic | P03RMK2 VJDO3D40 | Int capstan motor stops responding | Changed the IC No. BA6871S | ||
| Sony | KVM1400 | Will not power up, red LED blinks twice | Replace ICP fuse in HT line PS801 N15, 600mA mounted adjacent to pin 7 of LOPT | ||
| Sony | KV2165MT | Main fuse blasted | Replace the STR50115 | ||
| Sony | KV-25M80 BG-2 | Dead | 5V Supply Transformer Short | ||
| Saba | M3715 TX805 | Dead, 1.6A main fuse blown | Replace TP10 S2000A and DP21 2V7 zener | ||
| Philips | 28ML8805-16B FL1.6AA | Power supply faults. BUX85F in micro SOPS defective | Change the value of C2260 to 4n7F, replace 7270 with transistor BD825 | ||
| Mitsubishi | CT2227BM | Intermittent no sound or picture | Desolder, then resolder Line Driver Transformer connections |