| Make | Model | Problem | Solution | Date |
| | | |
| Found: 1049
|
| Panasonic | Z3 | COLOUR AT MAX OSD MOVES | D1149 LEAKY | 14-09-04 |
| Panasonic | Z3 | Dead D816 s/c | Replace STR50103 chopper IC | 14-09-04 |
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| Panasonic | Z3 | Dead - st/by only | s/c on HT line - D816 R2G overvolts diode - replace STR50103A | 14-09-04 |
| Panasonic | Z3 | dead - STR50103 s/c | replaced also prot diode and positor | 14-09-04 |
| Panasonic | Z3 | Dead with groaning sound | 100v HT present, no line drive, prot tr Q451 operating. When removed field coll . No 25v to field chip - R467 1R8 o/c | 14-09-04 |
| Panasonic | Z3 | Fails to start | R802 ( 330K ) bias to chopper chip o/c | 14-09-04 |
| Panasonic | Z3 | IF BRIGHTNESS TURNED UP SET TRIPS OFF | R316 47k OC | 14-09-04 |
| Panasonic | Z3 | INT DEAD WHEN OFF IC1101 RESET PIN 6 LOW | Check Q804 5V reg D810 5V zen & C1122 ( 0.01uF ) | 14-09-04 |
| Panasonic | Z3 | Int loss of pic | Check for cracks in print around T531 line drive TX | 14-09-04 |
| Panasonic | Z3 | INT NO PICTURE | LINE DRIVER TX DRY | 14-09-04 |
| Panasonic | Z3 | No col - pink screen with Hanover bars | C601 10nf disc ceramic cap in PAL DL leaky | 14-09-04 |
| Panasonic | Z3 | NO COLOUR | C616 ON IC101 PIN 29 10nF 50v Ceramic | 14-09-04 |
| Panasonic | Z3 | No pic | D453 22v zener in field cct s/c - also suspect LOPTx | 14-09-04 |
| Panasonic | Z3 | No pic - sound ok | Check for dry joints on crt socket | 14-09-04 |
| Panasonic | Z3 | NO START UP. IF PIN 15 IC101 SHORTED TO CHASSIS SE | CHECK FEEDS TO Q502 | 14-09-04 |
| Panasonic | Z3 | NO TUNING | C17 0.01uF SC | 14-09-04 |
| Panasonic | Z3 | Picture size flutters and set goes to StBy int. | STR50103A us | 14-09-04 |
| Panasonic | Z3 | POOR FIELD LIN top expanded bottom compressed | C458 MAY BE 10uF 50v OR 4u7 50v | 14-09-04 |
| Panasonic | Z3 | POWERS UP THEN GOES DEAD | REMOVE Q451 POWER UP ON VARIAC , IF FIELD COLLAPSE CHECK D4539 ON ODD OCCASIONS FLASHOVERS IN TUBE CAUSE DIODE TO FAIL | 14-09-04 |
| Panasonic | Z3 | Reduced height poor linearity | C404 ( 4u7 ) 50V | 14-09-04 |
| Panasonic | Z3 | Set buzzes from PSU but dead | If pin 15 IC101 high ( X-ray protection ) try shorting to chassis , if set ok check Q502 and R560 270k | 14-09-04 |
| Panasonic | Z3 | STUCK IN STBY IC1104 5v RAIL LOW AT 4v | Q804 OR ZENER DIODE D810 | 14-09-04 |
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| Panasonic | Z3 | TRIPS OFF | R560 270k R552 27k | 14-09-04 |
| Panasonic | Z3 | Trips off aft 2 secs | R560 270k in trip cct (185v supply to RGB monitor) | 14-09-04 |
| Panasonic | Z3 | Tuning drifting - worse from cold. | C17 ( 10nf ) leaky. | 14-09-04 |
| Panasonic | Z3 | XRAY PROT WORKING | CHECK R560 270k | 14-09-04 |
| Panasonic | Z3 Chassis | Colour at max & won't reduce - OSD does alter | IC1101 micro pin 31 doesn't vary when col adj. Control carried out in IC101 pin 21 on if/dec panel; when this pin grounded a mono pic observed; D1149 MA165 diode leaky | 14-09-04 |
| Panasonic | Z3 Chassis | Cuts out on bright scenes | R316 47k in beam lim cct o/c | 14-09-04 |
| Panasonic | Z3 Chassis | Dead | R801 4R7 5w o/c, IC801 STR50103A-M s/c, D816 HT SR2KN prot diode s/c, Q806 St/by sw tr 2SA683 s/c,, R559 10R 7w o/c, Q551 2SD1439 LOP Tr leaky | 14-09-04 |
| Panasonic | Z3 Chassis | Dead - no volts from psu | Remove Q806 st/by tr & wind up mains via variac; all worked ok & Q806 2SA683 was faulty | 14-09-04 |