Make | Model | Problem | Solution | Date |
| | | |
Found: 12
|
Akai | SN71B6 | Blank raster at sw on sound ok - pic slowly comes | CRT low emission - reactivated | 14-09-04 |
Akai | SN71B6 | No raster, sound ok - if A1 advanced strange rainbow effect | Replace TDA8172 IC NS10 low volts pin 2 & RK53 3R3 | 14-09-04 |
Akai | SN71B6 TV2851 | No pic - sound/EHT present - Field blanked | RK53 3R fusible pin 3 LOPTx | 14-09-04 |
Decca | D28WT92SN PT92 | Narrow uncorrected pic after s/c LOPTr replaced | Dry joint CD21 which blew BU508AF & CD21 680nF o/c causing RV38 2R2 fusible to go o/c | 14-09-04 |
Decca | D28WT92SN PT92 | Rush of EHT at start up then set goes off to S/by | Bad joint on CD21, DD07 (BY228) was s/c, and RV38 (2.2 Ohm Fusible) o/c | 14-09-04 |
Hitachi | C24W410SN | EHT crackling with HT too high | ZD950 O/C 10 volt special zener T536207 also replace C601 and C611 220mfd | 14-09-04 |
Hitachi | C24W410SN | EHT surge at sw on then reverts to st/by | Dry joints on IC951 and IC952 (Voltage regulators) | 14-09-04 |
Hitachi | C32W510SN A7 | Cuts out int | Check earth links & reg heatsinks for dry joints | 14-09-04 |
Hitachi | C32W510SN A7 | Field faulty - jittery & lines below centre - tappable | Dry joints R602 & 3 connected to pin 5 IC601 (under glue & a plastic strut) | 14-09-04 |
Hitachi | C32W510SN-311 | Dead with st/by led pulsing | IC4000 TDA7263M Audio o/p chip s/c | 14-09-04 |
|
Sony | G3F KVK29SN21 | Reverts to st/by with no sound/pic | LOPTr Q2591 2SC4927 s/c due to dry joints T2502 line dr tx & R886 1.2e 3w o/c in psu | 14-09-04 |
Sony | KVS29SN1 G1 | Black screen - no vert scan | Dry joints on VC (v pin out) sub-board Q1801 / Q1802/ Q1803/ IC1803 | 14-09-04 |