| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | GR1AX 14GR1227/05B | Dead - HT at 1.5v at power supply whistling | Replace SF2D41 protection thyristor (6641) | ||
| Philips | GR1AX 14GR1221 | Dead | resistor 3300 4R7 o/c.cap 2301 4,7uF 350V s/c on multi voltage pcb | ||
| Philips | GR1-AX | Poor tuning lock - no high channels. | Tr7705 ( PH2369 ) | ||
| Philips | GR1-AX | pic shifts to left, line tearing both int | C2523 6µ8 50v int o/c line driver supply smoother | ||
| Philips | GR1-AX | No tuning | R3703 oc | ||
| Philips | GR1-AX | no sound or pic - low hum from spkr | No line drive due to C2058 22µ o/c connected to pin 11 IC7020 | ||
| Philips | GR1-AX | dead - st/by light flashing | ht=70v - loptx faulty | ||
| Philips | GR1AX | Wont stop in search tune | C2031 22nF faulty - may read ok | ||
| Philips | GR1AX | Will not start up from cold | Turn 95V preset down if set starts fault is in overvolts circuit try D6638 | ||
| Philips | GR1AX | Width excess & EW faulty | Tr7533 2SA1359 on crt base s/c & driver Tr7530 BC848 had failed | ||
| Philips | GR1AX | White Lines on bright scenes when heated | C2523 6µ8 line driver supply decoupler | ||
| Philips | GR1AX | Whistling noise (from LOT). | 1) Glue the plastic lugs of the LOT L5530 with silicon or equivalent lute (non-reactive) at the copper track side of the PWB to damp off vibrations which causes the wistling. 2) Apply a non Hitachi LOT L5530; 4822 140 10369. REMARKS : The | ||
| Philips | GR1AX | WEAK SOUND | CHECK DISC CERAMIC CAPS AROUND SOUND IF CHIP ESP C2033 ( 22nf ) | ||
| Philips | GR1AX | Vertical vibration in cold condition of the set | Change R 3052 into 1,8 kOhm (4822 116 52249) and change C2053 into 150 nF (4822 121 41854) | ||
| Philips | GR1AX | Update Chassis manual; different types of micro-pr | Update Chassis manual; different types of micro-processors. ----------------------------------------------------------- In Chassis manual GR1-AX version 2: (GB) 4822 727 18084, (NL) 4822 727 18083, (D) 4822 727 18085 (F) 4822 727 18086, (E) 4822 727 18 |