Gemini P-700 Service Manual

Also see for P-700: Operation manual

Contents

Gemini P-700 Service Manual Manual pdf 5 page image

trouble sho otingS Y M P T O M C A U S E S O L U T IO NU N IT D O ES N O T P R O D U C E S O U N D . ♦ P O W ER S W IT C H N O T IN O N P O S IT IO N . ♦ M O V E P O W E R S W IT C H T O O N P O S IT IO N .P O W ER L E D D O ES N O T L IG H T . ♦ P O W ER C A B L E N O T C O N N EC T E D T O ♦ C O N N EC T P O W E R C A B L E T O A C S U P P L Y .A M P L IFIE R O R T O O U T L ET . ♦ C H EC K C O N D IT IO N O F O U T L ET .♦ A C O U T L ET N O T A C T IV E . ♦ R EP L A C E A M P L IFIER M A IN P O W E R F U S E O N .♦ M A IN A M P L IF IE R F U S E D E F E C T IV E . R EA R P A N EL W IT H C O R R EC T T Y P E & R A T IN G .P O W ER L E D L IG H T S , B U T N O S O U N D ♦ N O IN P U T S O U R C E S IG N A L . ♦ C H EC K F O R P R O P ER F U N C T IO N O F IN P U TIS P R O D U C E D B Y A M P L IFIER . ♦ IN P U T S O U R C E N O T C O N N EC T E D . S O U R C E D EV IC E (M IX E R , C D P L A Y E R , ET C .).♦ D EF EC T IV E IN P U T C O N N EC T IN G C A B L E. ♦ C H EC K IN P U T C A B L ES & C O N N EC T IO N S .♦ S P EA K E R S N O T C O N N EC T E D . ♦ R EP L A C E C A B L ES IN Q U E S T IO N W IT H K N O W N♦ D EF EC T IV E S P EA K ER C A B L ES . G O O D C A B L ES .♦ S P EA K E R S Y S T EM IN O P ER A T IV E. ♦ C H EC K O P E R A T IN G C O N D IT IO N , C A B L ES A N D♦ A M PL IFIE R ’S L EV EL C O N T R O L S A R E S T A T U S O F S P EA K E R S Y S T EM .S ET T O Z E R O . ♦ B E S U R E T H E L EV EL C O N T R O L S A R E P R O P ER L Y S ET .S O U N D IS P R E S EN T B U T V O L U M E IS ♦ A M PL IFIE R IN P U T L EV EL C O N T R O L S A R E ♦ A D JU S T L EV EL C O N T R O L S A S P E RT O O L O W EV E N T H O U G H S O U R C E S ET T O O L O W . IN S T R U C T IO N S .D EV IC E (i.e .: C D P L A Y ER , M IX E R )O U T P U T IS S ET T O A H IG H L EV EL .L O U D 50/60 H Z O R 100/120 H Z H U M H EA R D ♦ IM P R O P E R O R D EF EC T IV E G R O U N D ♦ C H EC K F O R P R O P ER A C L IN E G R O U N D A TA T A L L T IM ES T H R O U G H T H E S P EA K E R S . C O N N EC T IO N A T IN P U T S . P O W E R A M P A N D A L L IN P U T D EV IC ES .IM P R O P E R O R D E F EC T IV E G R O U N D ♦ C H EC K IN P U T C A B L ES F O R A L L D EV IC ESA T IN P U T S O U R C E D EV IC E(S ). A N D S IG N A L P R O C ES S IN G A S W EL L A S IN P U T♦ IM P R O P E R O R D EF EC T IV E G R O U N D C A B L ES T O P O W E R A M P L IFIER .C O N N EC T IO N O N A C O U T L ET . ♦ C H EC K P O S IT IO N O F G R O U N D L IFT S W IT C H♦ G R O U N D L O O P T H R O U G H A C L IN E A S P E R IN S T R U C T IO N S FO R L IFT IN G T H EC O N N EC T IO N / R A C K M O U N T IN G . G R O U N D .♦ N EV E R L IFT T H E A C L IN E G R O U N D O N T H EP O W E R A M P L IFIE R . IF Y O U A R E N O TT O T A L L Y FA M IL IA R W IT H G R O U N D L IFT IN GO R U N IFIC A T IO N P R O C E D U R ES , D O N O TA T T EM PT T H EM W IT H O U T FIR S T C O N S U L T -IN G Y O U R D EA L ER O R A Q U A L IFIE D S O U N DT EC H N IC IA N FO R M O R E IN F O R M A T IO N O NG R O U N D IN G . IM P R O P E R L Y D O N E, S U C HP R O C ED U R ES C A N P O S E A S A F ET Y A N D /O RFIR E H A Z A R D .S O U N D IS D IS T O R T ED . ♦ D IS T O R T IO N O C C U R R IN G IN S O U R C E ♦ C H EC K V U M ET E R SD EV IC E (C D P L A Y E R , M IX E R , ET C .). ♦ A D JU S T L EV EL C O N T R O L S A S P E R♦ IN P U T L EV EL IS S ET T O O H IG H . IN S T R U C T IO N S .FU S E B L O W S IN T E R M IT T EN T L Y . ♦ S P EA K E R L O A D IM P E D A N C E IS T O O L O W . ♦ C H EC K F O R S H O R T S O N T H E O U T P U T S .♦ T Y P E O R R A T IN G O F T H E F U S E IS N O T ♦ C H EC K Y O U R S P EA K E R IM P E D A N C E.C O R R EC T . ♦ C H EC K T H A T T H E F U S E T Y P E A N D R A T IN GA R E C O R R EC T .em ailF o r se rv ice -re late d q ue stio n s yo u can e m ail u s at: se rv ice@ ge m in id j.co mF o r te ch n ical su p p o rt yo u can e m ail u s at: te ch h e lp@ ge m in id j.co m