Make | Model | Problem | Solution | Date |
| | | |
Found: 112
|
Nikkai | TLG1433 TLG1433 | No sound or raster. HT high at 160v ( normal 112v ) | 8.2v zener in PSU leaky , R417 ( 2k ) & R302 ( 6k8 ) o/c | 14-09-04 |
Nikkai | TLG1433 TLG1433 | No sound. | R650 ( 22k ) high. | 14-09-04 |
Nikkai | TLG14R | Field bounce | R137 10k 2w dry joint | 14-09-04 |
Nikkai | TLG2000 | Black hor line drifts down pic on AV | Q220 JC501P s/c on small rear pcb (BC546 used in lieu) | 14-09-04 |
Nikkai | TLG2195 | Tuning range limited | ZD101 33v zener faulty | 14-09-04 |
Nikkai | TLG2501 | E-W dist | R154 o/c, L103 defective, also check TDA8145 EW cotrol chip & RV105 100k pot | 14-09-04 |
Nikkai | TLG88 | No col/lines/jumping - worse on bright pic | C109 47µ 16v | 14-09-04 |
Nikkai | TLG88/89 | Blank raster - like in AV mode - may be int | L105 in video o/p was int | 14-09-04 |
Nikkai | TLG88/89 | No pic or eht - sound ok | Low line drive to Q111 LOPTr base; line dr trfmr EM115 pri winding hi res (should be 50R) | 14-09-04 |
Nikkai | TLG99 | Blank raster without sound | TDA4501 faulty - Pin 19 should be 4.7v. If 0v vid mute is on - check feed res and cap | 14-09-04 |
|
Nikkai | TLG99 | Dead | Check R109 180R ?w o/c, Q117 2SC1573A o/c, rem st/by trfmr, R104 5R 1w hi res | 14-09-04 |
Nikkai | TLG99 | Hard to start up from st/by | C101 100µ 400v, Z1 CSB455E, IC3 Upd 1937C | 14-09-04 |
Nikkai | TLG99 | Height reduced | check if 12v supply is low, R104 3R3 1w hi res | 14-09-04 |
Nikkai | TLG99 | Hor dark lines near centre of screen | C116 0µ47 50v | 14-09-04 |
Nikkai | TLG99 | No col, field foldover & pic shift - all int | Wire link between R218 & pin 27 of IC101 (loss of sandcastle pulse) | 14-09-04 |
Nikkai | TLG99 | No signals/tuning | Tuner VT pin ov tuning volts; R1010 470k on front tuning panel hi res | 14-09-04 |
Nikkai | TLG99 | No sigs or chan display | EM112 mains start up tfmr o/c pri | 14-09-04 |
Nikkai | TLG99 | Sound weak & dist | R153 o/c | 14-09-04 |
Nikkai | TLG99 | Weak , distorted sound. | R153 was open-circuit there was no bias voltage at the base of Q103 , the lower transistor in the class A push-pull output sta | 14-09-04 |
Nikkai | TLG99 TLG99 | Dead. | R109 ( 180ohm , 0.5W ) o/c , Q117 ( 2SC1573A ) npn o/c , Standby Tx pri o/c , R104 | 14-09-04 |
Nikkai | TLG99 TLG99 | No frame. | R104 ( 5ohm , 1W ) | 14-09-04 |
Nikkai | TLG99/141& TLG88/140 | Tripping | Check st/by trfmr for o/c pri | 14-09-04 |