Make | Model | Problem | Solution | Date |
| | | |
Found: 59
|
Finlandia | C22VZ3 | No startup. | R46 ( 15k 9watt ) | 14-09-04 |
Hitachi | C2514Z311 | Hotel mode - stuck in | Hold in Vol + & Vol- whilst sw on, when display appears with symbols increase vol to level reqd | 14-09-04 |
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Panasonic | TC1785 Z3 | Dead aft 5 mins | STR50103A-M (use Pan spec version - others won't work properly) | 14-09-04 |
Panasonic | TC195 Z3 Chassis | At sw on led blinks once onlythen dead, if powered up with mains sw on led lit perm | D811 opto faulty. To check, s/c pri pins of oto coupler when it should then work ok. On normal operation you have 1,2Volts on the secondary side pins, that drop to 0,6V on standby. | 14-09-04 |
Panasonic | TC2195 Z3 | Dead but whines | R556 1A cct prot o/c, T531 line dr trfmr dry joints, LOPTr 2SD1439 leaky NOTE LOPTx may test faulty on LOPT tester but may not be - as I found out | 14-09-04 |
Panasonic | TX143T Z375 Chassis | Tripping - st/by led flashing | LOPTx | 14-09-04 |
Panasonic | TX14B3T Z375 chassis | Field collapse noticed when A1s advanced | IC301 TDA8456 - also do following mod - change C309 to 22µ 100v, add 0µ01 across R310 & fit 2R2 1w in place of jumper R420 | 14-09-04 |
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 |
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 |
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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 |
Panasonic | Z3 | TRIPS OFF | R560 270k R552 27k | 14-09-04 |