Make | Model | Problem | Solution | Date |
| | | |
Found: 21
|
Hitachi | A7 C24W1TN | Trips | Does it trip with A1 volts at min/max? If not, check Nicam chip is fully home in its holder | 14-09-04 |
Hitachi | C24W1TN | Int off - esp when tapped | Dry joints VR950 in PSU | 14-09-04 |
Hitachi | C24W1TN | Int reverts to st/by | Dry joints IC951, Q601 & Q602 reg | 14-09-04 |
Hitachi | C24W1TN | Slow to or won't come out of st/by | Caused by the micro prog initilisation not getting past auto greyscale sequence due to A1 setting too high - adj A1 as per service instructs | 14-09-04 |
Hitachi | C24W410 | Int crackle on sound | R4005 & 4009 47R in audio o/p cct | 14-09-04 |
Hitachi | C24W410 | Int cuts out - esp when tapped | Dry joints VR950 under plastic frame | 14-09-04 |
Hitachi | C24W410SN | EHT crackling with HT too high | ZD950 O/C 10 volt special zener T536207 also replace C601 and C611 220mfd | 14-09-04 |
Hitachi | C24W410SN | EHT surge at sw on then reverts to st/by | Dry joints on IC951 and IC952 (Voltage regulators) | 14-09-04 |
Hitachi | C24W511TN | Int reverts to st/by | R959 15k was making int contact with the board (production fault) | 14-09-04 |
Hitachi | C24Wxx/28Wxx | HT setting | 152v | 14-09-04 |
|
JVC | AV24WT5EKS JK11 | Blank white raster at start up - reverts to st/by aft 5 secs | The +5v supply low - replace 5v reg IC954 BA05T - used L7805CP in lieu | 14-09-04 |
JVC | AV24WTSEKS | Dull pic, poor contrast | Check if "ECO" mode has been set - press the I "Information button and Mute button at the same time to enter the service mode. Choosing 6 (Picture settings) from the VSM menu you can set up the contrast and brilliance settings etc in all the
preset modes that this set offers (EI Warm, Cool, Normal etc) | 14-09-04 |
Panasonic | Alpha 2W TX24W1 | Bright red pic (or Blue/Green) | Check relevant peaking coil on crt base (L351, 352, 353) | 14-09-04 |
Panasonic | U4W | Display - shows 00 - no sound or picture. | HT set to high C808 ( 47u f , 25v ) in PSU. | 14-09-04 |
Panasonic | U4W | Squealing - low HT. | C854 ( 100u f , 250v ) , D557 ( BY299 ) , last LOPTX. | 14-09-04 |
Samsung | W124W6VN | Brightness varies | A1 pot on LOPTx - replacement LOPTx only cure | 14-09-04 |
Sony | BE3B KV24WS1U | White horizonzal bars, crackling sound, led blinking sometimes 6-7 or 13 times, stuck in sby | Pin 15 (earth conn) on prescalar chip TSA 5511 or 5512 dry jointed | 14-09-04 |
Sony | BE3B KV24WSIU | LED flashes 6 times at sw on - no action | could be memory problem (IC701) or dry joints tuner/multiway block connecting tuner pcb | 14-09-04 |
Sony | BE3D KV24WX1U | Whine from lh chan over normal sound, same on phone & scart skt - RH chan ok | Sus MSP chip IC202 on "A" board with tuner. As this is a 60 pin sm chip & expensive the good chan was linked to both o/ps | 14-09-04 |
Sony | KV24WX1U | No sound through phones, scart or RF | MSP3410B | 14-09-04 |
Thomson | ICC17 24WK24U | Tripping with red LED in sympathy | To disable trip s/c TL17 e-c; blank raster with fb lines now present; Field fback supply missing due to ZL11 MP25 o/c | 14-09-04 |