Make | Model | Problem | Solution | Date |
| | | |
Found: 1049
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Panasonic | Z4 Chassis | No sync | Comes from Txt board where IC3507 MAB8461-PW216 was faulty (dis pins 2 & 3 to check) | 14-09-04 |
Panasonic | Z4 Chassis | No video with faint unsync lines in background | Sync pulses leaving pin14 IC521 poor - 180pF cap connected to this pin leaky | 14-09-04 |
Panasonic | Z4 Chassis | Slight tuning drift, no sound, no Vol OSD (other OSD OK) | Insufficient sync drive to Q1272 base. C524 180pF connected to pin 14 IC521 leaky | 14-09-04 |
Panasonic | Z4 Chassis | The Panasonic Z4 Chassis | See TV Mag Sept - Nov 1994 | 14-09-04 |
Panasonic | Z4 Chassis | When chan stored in a prev stored location, all chans appear the same | Check for dry joints around link J10 on Txt pcb | 14-09-04 |
Panasonic | Z4 TC15M1RP | Dead with STR54041 & 2SD965R Trs s/c | also 4R7 surge res o/c - also replaced 10µ 63v & 100µ 6v3 elects on psu pri & check for dry joints | 14-09-04 |
Panasonic | Z4 TX21M1T/BK | Blanking from LHS with ragged edges | 10µ 250v on main pcb rear edge | 14-09-04 |
Panasonic | Z421V TX21GV1 | Flyback lines at top - Txt OK | Remove by going thro' self test proc - press vol down on set & status button on hset | 14-09-04 |
Panasonic | Z421V TX21GV1 | Int switches off & on | IC1807 TOP210 chopper chip | 14-09-04 |
Panasonic | Z5 | Dead | D806 AU02V0 DIODE | 14-09-04 |
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Panasonic | Z5 | dead | REPLACE D806 PART. NO. AV02AVO | 14-09-04 |
Panasonic | Z5 | DEAD , IC801 GETTING WARM | D806 AU02V0 | 14-09-04 |
Panasonic | Z5 | Dead but standby light on Power supply chirping loudly, No 125V. | R812 33ohm metal film special from SEME part No. ERQ12HJ330. | 14-09-04 |
Panasonic | Z5 | Dead no st/by light | IC801 STR51424 | 14-09-04 |
Panasonic | Z5 | Dead One quick flash of standby light at switch on, very faint ticking from power supply, low 125v supply | R813 and 821, 330k 1/2 watt | 14-09-04 |
Panasonic | Z5 | Int thick lines across screen | Dry joints tuner | 14-09-04 |
Panasonic | Z5 | No col | eeprom IC1205 faulty - no set up data for IC601 | 14-09-04 |
Panasonic | Z5 | no pic sound ok - blank raster | no line pulses at pin 38 IC601TDA8361- Q504 sm BC847B faulty | 14-09-04 |
Panasonic | Z5 | Tripping | All these items are in the PSU primaryR810/R813/R818/R819/R821[330K] C823[10nf 500V] Snubber capacitor | 14-09-04 |
Panasonic | Z5 | Tripping | D806 AU2AVO (measuered ok) | 14-09-04 |
Panasonic | Z5 | tripping with st/by led blinking | R525 300k 1/4w replace with 1/2w (under R564 near Plug E7) other causes- R810, R813, R818, R821 330k, C823 10nf 500v subber cap | 14-09-04 |
Panasonic | Z5 | Trips with st/by led blinking | R525 300k 1/4w replaced with 1/2w (Under R564 near pug E7) | 14-09-04 |
Panasonic | Z5 Chassis | A look at the Panasonic Z5 Circuit | See TV Mag Aug - Oct 1996 | 14-09-04 |
Panasonic | Z5 Chassis | Dead | IC801 overheating - D806 AU02V0 leaky | 14-09-04 |
Panasonic | Z5 Chassis | Dead - no psu activity | STR51424 chopper chip had internal s/c between pins 2 & 4 | 14-09-04 |
Panasonic | Z5 Chassis | Lack of height with top foldover | 30v supply low due to R521 8R2 hi res | 14-09-04 |
Panasonic | Z5 Chassis | LED flashes & PSU whistles | R821 330k in trip cct o/c | 14-09-04 |
Panasonic | Z5 Chassis | No signals | 4Mhz Xtal in tuner dry joints or not soldered; (30v line is the tuning volts & MB is 11v supply) | 14-09-04 |
Panasonic | Z5 Chassis | Tripping with HT low | C823 10nF 500v in snubber cct leaky | 14-09-04 |
Panasonic | Z5 Chassis | Trips at sw on after initial rush of EHT with LED flashing | Prot sw Q502/3 activated cutting off line drive; short out C507 to disable trip; set now operates; R525 300k ?w o/c | 14-09-04 |