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Public Address System

DVD/Radio/Broadcast Power Amplifier

1. Wiring Diagram of Peripheral Devices

Note:



Never connect two hot terminals (labeled 4Ω, 70V, 100V) together.



Only choose one pair of output terminals for speaker connection. The connection ways shall be COM-4Ω /
COM-70V / COM-100V.

SYSTEM WIRING

AM antenn

AC220V

FM antenna

MIC1

MIC2

MIC3

MIC4

Zone 1

Zone 2

Microphone

override /

Chime output short-circuit
toggle signal

External
sound source

Содержание PM7806

Страница 1: ...PLIFIER PM7806 PM7812 PM7825 PM7835 Operation Manual Welcome to enter my PA system Please read the manual carefully before use to facilitate your better application of the equipment LY International Electronics Co Ltd http www lyintlcorp com ...

Страница 2: ...g or reinstalling any part of the equipment and disconnecting or rewiring any electric plug or other wiring of the equipment In case of a failure the unauthorized non professional shall not disassemble the housing to maintain so as not to lead to an accident or increase the damage degree of the equipment Do NOT locate any corrosive substance near or on the equipment All in one public address devic...

Страница 3: ...o band 35 Zone 1 On Off key 10 Adjust MIC1 volume 23 Radio search from HF to LF 11 Adjust MIC2 volume 24 Radio search from LF to HF 12 Adjust MIC3 volume 25 Radio memory 13 Adjust MIC4 volume 26 Radio select storage No 20 1 Note When all 5 LED level meters remain lit sound is distorted In such case adjusting each volume control button till LED 4 and LED 5 flash 1 Fuse AC220V 7 Output terminal of a...

Страница 4: ...ragment 17 VOL Volume down 18 VOL Volume up 19 PREV NEXT PREV for selecting the previous chapter or song NEXT for selecting the next chapter or song 20 PAUSE Pause during play 21 STOP Stop playing 22 ZOOM Zoom in the image 23 PROG Prior program for playing songs according to the preset order 24 AUDIO Select sound effect 25 ANGLE Select a different viewing angle 26 TIME Time controlled playing star...

Страница 5: ... hot terminals labeled 4Ω 70V 100V together Only choose one pair of output terminals for speaker connection The connection ways shall be COM 4Ω COM 70V COM 100V SYSTEM WIRING AM antenna AC220V FM antenna MIC1 MIC2 MIC3 MIC4 Zone 1 Zone 2 Microphone override Chime output short circuit toggle signal External sound source TV ...

Страница 6: ...MATCHING TRANS MATCHING TRANS Wiring diagram of 4 16Ω fixed resistance output Wiring diagram of 70V fixed voltage output Wiring diagram of 100V fixed voltage output Note The connections of 4 output terminals are COM 4 16Ω COM 70V COM 100V Only one pair of output terminals shall be connected and the wires for connection of COM 70V and COM 100V shall not be connected to the speaker connecting termin...

Страница 7: ...DVD mode we introduce to the user 48 Caution when various functional operations are 49 performed in DVD mode a prompt of on 50 the screen indicates that the operations the 51 user performs currently fail or are denied by 52 the machine 53 When this machine plays MP3 programs this 54 device will illuminate a blue round point to 55 indicate a carry if the number of chapters 56 exceeds 99 57 3 Play D...

Страница 8: ...n you want to 72 play and then press the ENTER key 73 For CD MP3 discs press the TIME key and 74 the screen displays chapter 02 11 PBC TIME 75 00 00 45 In the display of this screen you 76 can use the keys to move the cursor 77 and then use numeral keys to change the 78 numbers of the title or time of the section you 79 want to play and then press the ENTER 80 9 Skip Playing 81 In the playing proc...

Страница 9: ...aracters representing the section in 77 the C corresponding place It d better to 78 place the cursor to select the Play option 79 and then to press the ENTER key It is 80 shown as follows 81 82 83 84 85 86 87 88 89 14 Track Selection 90 Applicable to VCD CD disk 91 For VCD disk Pressing the R L key will result 92 in the following change 93 94 Track Stereo Track Left Track Track Right Track Track A...

Страница 10: ...67 68 69 70 71 72 73 74 75 76 77 Catalog Window Displaying current path 78 File Window Displaying files of the current 79 path 80 Scroll Bar Window Indicating the place 81 where the current files of file window are 82 MP3 Play Icon 83 Play Icon of JEPG Picture 84 The up and down arrow key and ENTER key 85 can be used to select the catalog during playing 86 the MP3 disk The play list of catalog can...

Страница 11: ...ion are Chinese 54 English Japanese French Spanish Portugal 55 German and Latin 56 Notes setup of the picture displaying language 57 audio language subtitle language menu 58 language needs disk support 59 23 Video Setup 60 Press the SETUP key and key to enter the 61 Language Setup setting interface which is 62 shown in the following figure Users can set up 63 the brightness contrast color tone sat...

Страница 12: ...ual station search Slightly press the DOWN or UP key held for not more than 1 second and the equipment will step once 50kHz per step for FM and 9kHz per step for AM towards high frequency or low frequency and the corresponding frequency will be displayed on the screen Manual station search is suitable for searching a station of which signal is weak Station Storage After a station is found the stat...

Страница 13: ...gle through PRIORITY terminal on the rear panel Short circuit once and the chime signal will be outputted once If another chime signal is desired cancel the current short circuit and short the PRIORITY terminal again The output volume of chime can be adjusted by CHIME VOL knob Since chime features overriding function it is suitable for forced insertion Packing List PM78 series product 1 set Power ...

Страница 14: ...UX 10kΩ 200mV imbalanced Frequency response MIC 100Hz 15kHz AUX 40Hz 20KHz Phantom power supply voltage 48 2V Harmonic distortion 0 5 1kHz 1 3 rated power Line S N 4Ω output 70dB 72dB 76dB 77dB Microphone S N 4Ω output 70dB 72dB 76dB 77dB Bass 10dB 100Hz Tone adjustment Treble 10dB 10kHz Protection AC fuse DC output protection and overload protection Mute MIC1 input overrides other inputs attenuat...

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