Make | Model | Problem | Solution | Date |
| | | |
Found: 209
|
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 |
Philips | G9 | Frame collapse. | Drys on left hand side of convergence panel. | 14-09-04 |
Philips | G90 | bright raster - poor field lin | 163v line low at 90v - R3570 8R2 o/c | 14-09-04 |
Philips | G90 | Continuous page header display in subtitle | Change text IC to type MAB8461P/W196 part No4822 209 62479 | 14-09-04 |
Philips | G90 | CONTRAST CONTROL LIMITED | C2560 ( 33nf ) LEAKY PIN 7 , LOPT. | 14-09-04 |
Philips | G90 | Dead chopper transistor s/c. | Also change CNX83A optocoupler part No.4822 130 82034 | 14-09-04 |
Philips | G90 | Dead. | Check for drys on chip diodes. | 14-09-04 |
Philips | G90 | field collapse | D6465 sm | 14-09-04 |
Philips | G90 | Frame collapse. | Wickman fuse to o/p transis o/c , R3503/07 , R3501 390k o/c. | 14-09-04 |
Philips | G90 | Int loss of tuning | X2402 eeprom chip | 14-09-04 |
|
Philips | G90 | No blue. | D6416 ( BAS32 ) leaky. | 14-09-04 |
Philips | G90 | NO LINE OSC | IF VOLTAGE ON PIN 16 TDA2579 IF NOT 9v CHECK ACROSS D6455 5v6 ZENER IF OK HERE REPLACE T7455 IF NOT REPLACE ZENER | 14-09-04 |
Philips | G90 | no start up - tripping | D6611, 6613, 6614 BAS32 | 14-09-04 |
Philips | G90 | off with s/by led flashing | ht low & pulsing - R3632 15k in prot cct u/s - C2630 & R3668 also possible | 14-09-04 |
Philips | G90 | Picture too big | Replace T7652 & CNX83 opto | 14-09-04 |
Philips | G90 | SET WORKS BUT NO TEXT AND F7 DISPLAYED ON SCREEN | NO RESET PULSE TO IC7800 CHECK TR7846 AND C2843 220uF | 14-09-04 |
Philips | G90 | snowy pic | check pin 6 tuner. If absent check R3001 15R | 14-09-04 |
Philips | G90 | Tripping | R3668 sm 150R | 14-09-04 |