Make | Model | Problem | Solution | Date |
| | | |
Found: 21
|
Amstrad | 3128N | Dead | C599 2,200pf s/c, Q101 BUZ90AF s/c, R101 5R6 5w o/c | 14-09-04 |
Amstrad | 3128N | Hor black lines thro' pic | C454 10µ 25v o/c | 14-09-04 |
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Amstrad | 3128NF | Int pic break up | Line dr Tr replaced & increase feed res from 1 to 2k | 14-09-04 |
Amstrad | CTV3128N | Dead | pri of the chopper transformer s/c all round (Cpc pt no AM602470003390) When replaced, fast tripping,R112 (5R2, 1/8W) o/c off pin 6 of transformer | 14-09-04 |
Amstrad | CTV3128N | Dead | R103 47k | 14-09-04 |
Amstrad | CTV3128N | Dead - no st/by LED | R103 47k in psu pri | 14-09-04 |
Amstrad | CTV3128N | Dead - smoking | C596 0.01mfd 1600v | 14-09-04 |
Amstrad | CTV3128N | E/W faulty | L679 10mH leaky - showed signs of distress (after C620 0µ47 250v scan coupling cap replaced for o/c) | 14-09-04 |
Amstrad | CTV3128N | Field collapse, narrow & no sound | No 8v to pin 10 IC1101 TDA8361A IF/col/tbase chip. L300 1µ3 coil o/c | 14-09-04 |
Amstrad | CTV3128N | Tripping quietly - s/c across LOP | C599 2n2 2kv disc ceramic s/c | 14-09-04 |
Amstrad | CTV3128N | Width excessive & no E/W | Q579 BD237 on E/W board | 14-09-04 |
Amstrad | CTV3128N | Width reduced & E-W faulty with little adj | C592 (680nf 250vw) S-correction cap O/C E-W chip (TDA8145) had become very hot & replaced also | 14-09-04 |
Amstrad | CTV3128NF CTV3228NF | Field collapse | C578 470pF leaky (behind FOP chip) | 14-09-04 |
Amstrad | CTV3128NF CTV3228NF | Field collapse with narrow display & no sound | The +8v supply pin 10 ICI101 missing but present on pin 36 - L300 10µH o/c | 14-09-04 |
Fidelity | 3128NF | Int blows mains fuse at sw on | change the degaussing thermistor to type 96209 as the original is designed for continental 220volt supplies | 14-09-04 |
Fidelity | 3128NF | Int pic break up | Line dr Tr replaced & increase feed res from 1 to 2k | 14-09-04 |
Fidelity | 3128NF | Repeatedly blows LOPTr | line driver tr Q580 (2SC1573), R608 1K R6102R2 & R609 from1K to 2K 5 watt. | 14-09-04 |
Fidelity | CTV3128N | Dead - no line drive | replace Q580 (C1573A) and R609 1K 4W | 14-09-04 |
Fidelity | CTV3128NF | Dead | R609 (Change to 2k 5w), C620, Q580 & Q602 | 14-09-04 |
Fidelity | CTV3128NF | Field collapse | Check R614 fusible - if OK check R340 3M3 for o/c connected to pin 43 IC101 vid proc chip (under screening can) | 14-09-04 |
Fidelity | CTV3128NF | Mains fuse blown for no apparent reason | Check positor is Philips type 96209 not black one | 14-09-04 |