Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
JVC | C1480EK | tuner drift or failure to store chans | station select module SBX-M903A - check sm caps | ||
JVC | C1480EK | St/by only - No HT at LOP | No 5v o/p pin 15 of Stn select module tho' 5v I/p at pin28 & -30v I/p at 34 - module faulty (Pt no SBX-M903A(E) £44.82 + VAT WVE | ||
JVC | C1480EK | dead | mains at CON3 but not at LF901 choke. Cracked print by chassis support | ||
JVC | C1480 | Tuning drift | C016 0µ47 sm in thick film module | ||
JVC | C141EK | Int bright pic with lack of height/width | HT varying due to int HT pot VR901 1k (HT = 112.5v) | ||
JVC | C-140EKY | field collapse | R552 1R8 2W | ||
JVC | C-140EKY | Back line across raster | C553 2200µ 35v | ||
JVC | C140EKY | Tuner drift | Replace 2 x sm caps by thick film unit | ||
JVC | C140EKY | St/by only | Thick fim unit suspect (£40) | ||
JVC | C140EKY | No prog store | check -ve supply to EEPROM - usually crack in pcb near LOPTx | ||
JVC | C140EKY | Int start up, no chan change & spurious graphics | C015 22µ 6.3v sm in micro reset cct o/c | ||
JVC | C140EKY | Int start up | sm cap top left of thick film unit faulty | ||
JVC | C140EKY | Dead - st/by only | HT at D921 but does not get past Q923 (HT reg) No power control from micro, Dry joints on Xtal X001 on micro sub panel | ||
JVC | C140EKY | Dead - st/by only | Dry joints emitter of Q924 in psu | ||
JVC | C140EK | No chan store - No clock pulses pin 10 IC001 | Come from pin 31 IC002 but lost along way - fitted wire link |