PG-5 TROUBLE CHART
See Section 281
|
| Trouble | Indication | Cause | Remedy |
| No Sound | Exciter lamp of the projector in use not lighted. Exciter lamp on other projector lighted. | Fader switch in wrong position. | Switch the fader switch to projector in use. |
| Exciter lamp cables reversed. | Connect exciter lamp cables correctly. |
| Exciter lamp of neither projector is lighted. | Burned out exciter lamp. | Replace exciter lamp. |
| Amplifier tubes and exciter lamp not lighted. | Key operated switch on amplifier not turned "on". | Turn key switch "on". |
| Amplifier power cable disconnected. | Connect amplifier power cable. |
| Power supply fuse blown. | Replace fuse. |
| Amplifier tubes and exciter lamp lighted. | Photo-cell not in place or photo-cell shield not properly installed. | Insert photo-cell and mount shield with opening toward the sound gate. |
| Sound from one projector but not the other. | Defective photo-cell. | Replace photo-cell on projector from which no sound is obtained. |
| Defective fader switch. | This equipment can be operated by transferring cable and exciter lamp cable to change from one projector to the other. |
| Amplifier tubes not lighted. --Exciter lamps lighted. | Plug out of rectifier unit. | Insert plug. |
| | Voice coil cable disconnected at the amplifier or loudspeaker. | Connect the voice coil cable. |
| Power cable disconnected at the loudspeaker. (Very low volume will be obtained). | Connect the power cable at the speaker. |
| Fuse blown in loudspeaker power supply circuit. | Replace burned out fuse. |
| Low Volume | Very low volume on both projectors. | Power supply to loudspeaker open. | Check cable connections and fuses in power supply circuit. |
| Low Volume on both projectors. | Defective amplifier tube. | Replace amplifier tubes. |
| Defective UX-281 tube. | Replace rectifier tubes. |
| Exciter lamp current low. | Regulate the exciter lamp current to obtain one ampere. |
