| Make | Model | Problem | Solution | Date |
| | | |
| Found: 33
|
| Decca | E series | Dead | R423 in pri of line dr O/C - check Tr403 2SC1815Y | 14-09-04 |
| Decca | E series | High HT | R834 75k hi res | 14-09-04 |
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|
| Decca | E Series | Hotel mode enable/disable | To disable the Hotel mode:
1. Press and release a Volume button
2. While the barograph is still displayed, press the MUTE button on R/C
To activate the Hotel mode:
1. Set the desired max. volume
2. While the barograph is still displayed, press the MUTE button | 14-09-04 |
| Decca | E Series | Loss of Video possibly intermittant | Check/Replace XL301 , R308 , IC302 | 14-09-04 |
| Decca | E series | No pic - heaters low or out | R940 4R7 ?w fusible hi res - also check R901 22R ?w fusible in A1 cct | 14-09-04 |
| Decca | E Series | No pic with field collapse | Replace C805 1000 uF 2.2 ohm safety res ( 45 volts to frame ) & TDA8350Q ALSO CHECK R814 75 k ohm in series with set HT pot gone high allowing HT to rise from 150 to 178 volts | 14-09-04 |
| Decca | E Series | Picture width reduction - 150V varying | Check C822 ( may change in value when warm ) | 14-09-04 |
| Decca | E Series | Service mode settings - Remove sk702 link (On LHS of Micro IC701 )
& use vol +&- to select & brightnes +&- to adjust |
00 source select do not adjust
01 90 system options reset to D0
02 20 Hue not used do not adjust
03 0E Hor Shift must be less than 40
05 36 E.W.Par must be less than 40
06 2D E.W. Corner must be less than 40
07 14 E.W. Trapez must be less than 40
08 20 vert slope must be less than 40
09 16 vert amp must be less than 40
0A 5C vert "S" cor must be reset between 80&BF
0B 1B Vert shift must be less than 40
0C 2A red drive must be less than 40
0D 2A green drive must be less than 40
0E AA blue drive must be between 80&BF
0F 57 peaking reset to 1A
10 5F brightness must be between 40&7F
11 A0 Saturation must be between 80&BF
12 1F Contrast must be less than 40
13 03 AGC must be less than 40
Store settings with Sound Mute Button | 14-09-04 |
| Decca | E series | St/by only - no line drive | 150v HT & LT present - line dr tfmr T401 sec o/c - was able to repair | 14-09-04 |
| Decca | E series D28NEE5 | Audio gives 3 pops when turned off from st/by Attempting to start from residual charge | Remove R803 & 804 47k from pcb & connect together in R804 posn. Fit wire on copper side of pcb (?) - Official mod from Decca but not explained very well. | 14-09-04 |
| Decca | E series D28NEE5 | Brightness fluctuates rapidly with poss fb lines | C527 100n next to IC501 faulty | 14-09-04 |
| Decca | E series D28NEE5 | Dead when cold - ok when heated | 5v rail low - IC804 5v reg | 14-09-04 |
| Decca | E series D28NEE5 | E/W poor & Width excessive after FOP repair | ZD409 33v zener leaky - not shown on cct diag - pin 11 IC401 to earth | 14-09-04 |
| Decca | E series D28NEE5 | Excess width/lack of height - int cuts out when heated | HT high at 177v (150v), R814 75k in HT pot divider | 14-09-04 |
| Decca | E series D28NEE5 | Field collapse | R422 1R2 fusible o/c off pin 6 LOPTx | 14-09-04 |
| Decca | E series D28NEE5 | Field foldover with lines at top | R437 1R2 o/c | 14-09-04 |
| Decca | E series D28NEE5 | | | 14-09-04 |
| Goodmans | 1430 E series | No bar funct on vol & tuning adj - control works ok | IC602 micro Pt no TMS73C47 | 14-09-04 |
| Goodmans | 1430 E series | No col/lack of height/stuck in st/by | R303 6k8 4w | 14-09-04 |
| Goodmans | 1430 E series | R/c not working - hset ok | IC750 IR Pre amp TSMS4360 | 14-09-04 |
| Goodmans | 1430 E series | When changing CPU to new type 033-815245-11D | Add D603 1N4148, delete R165 & change handset | 14-09-04 |
| Sony | BE3 series FE series RE2 series | Test Mode entering | With TV in st/by use R/C press "OSD" Key, followed by "5", followed by "Volume +", & finally "TV" key,(blank box).TV should power up upon pressing last key, and display "TT - -". | 14-09-04 |
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|
| Tatung | E series | Child lock removal | Press & hold "key symbol" button under sliding flap (can go into child lock if front controls not connected when switched on | 14-09-04 |
| Tatung | E series | Dead FS801 blackened | 2 x mains rects s/c, 10nf C805 split, R802 therm burnt | 14-09-04 |
| Tatung | E series | Only top half of pic showing | shorted turns L409 E-W loading coil had damaged IC401 TDA8350Q - replace both items | 14-09-04 |
| Tatung | E series | Service mode access | remove sk702 link, vol+ & - to step through.
brightness + & - to adjust levels.mute to store, replace link. | 14-09-04 |
| Tatung | E series | St/by only | check tr806 8v reg for no o/p - TIP31A | 14-09-04 |
| Tatung | E series | Tripping - High HT (170v instead of 150v) | R814 75k 0.6w hi res also check IC801 | 14-09-04 |
| Tatung | E series | When replacing FOP chip IC401 TDA8350Q | Mod for improved reliability - fit 33v 1.3w zener to IC401 pin 11(+) & chassis; On PE1N,PE1W,PE1PNandPE1GS chassis alter the following....
Replace C406 470nf with 100nf 100v replace R105 47ohm 2w with 18 ohm 2w metal oxide, add 100nf 100v across C405 | 14-09-04 |
| Tatung | E series T28NE51 | Bright screen - int | PL902 on crt base hard wired | 14-09-04 |