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TABLE O F C O NTENTS

INTRO DUC TIO N............................................................. 2

SYSTEM O VERVIEW ....................................................... 3

SUMMARY O F FEATURES .....................................................................4
SPEC IFIC ATIO NS...................................................................................6

C IRC UIT THEO RY ........................................................... 8

INPUT C IRC UITRY..................................................................................8
PO WER AMPLIFIER C IRC UITRY...........................................................8
PRO TEC TIO N C IRC UITS .......................................................................9
THERMAL MANAG EMENT..................................................................10

SERVIC E PRO C EDURES............................................... 11

REQ UIRED EQ UIPMENT LIST..............................................................11
TRO UBLESHO O TING TIPS - O UTPUT FAILURES................................12
TEST AND BIASING PRO C EDURE......................................................13

PARTS............................................................................ 15

Q UIC K PARTS ......................................................................................15
C HASSIS ASSEMBLY............................................................................16
HEATSINK ASSEMBLY..........................................................................18
C O MPLETE PARTS LIST........................................................................20

SC HEMATIC S / PC B LAYO UTS.................................... 23

INPUT PC B SC HEMATIC .....................................................................23
INPUT PC B LAYO UT............................................................................24
DISPLAY PC B SC HEMATIC ................................................................25
DISPLAY PC B LAYO UT........................................................................26
MAIN PC B SC HEMATIC S...................................................................27
MAIN PC B LAYO UT............................................................................30
SO FT START PC B SC HEMATIC ...........................................................31
SO FT START PC B LAYO UT...................................................................32

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Содержание FAST RECOVERY M-1200

Страница 1: ...M 1400 M 1400i M 1200 SERVICE MANUAL 1998 MACKIE DESIGNS INC 820 179 00 Version 1 2 ...

Страница 2: ...ISSER AUCUNE PARTIE A DECOUVERT The lig htning flash w ith arrow hea d symb o l w ithin an e quilate ral tr ia ngle is inte nd e d to ale rt the use r to the p r e se nc e o f uninsulate d d ang ero us volta ge w ithin the p r o d uc t s e nc lo sur e tha t m a y b e o f suffic ie nt m ag nitud e to c onstitud e a risk o f e le c tric sho c k to pe rso ns Le sym b o le é c l a ir ave c po int de f...

Страница 3: ...IRED EQUIPMENTLIST 11 T ROUBLESHOOT ING T IPS OUT PUTFAILURES 12 T ESTAND BIASING PROCEDURE 13 PART S 15 QUICKPART S 15 CHASSIS ASSEMBLY 16 HEAT SINKASSEMBLY 18 COMPLET EPART S LIST 20 SCHEMAT ICS PCB LAYOUT S 23 INPUTPCB SCHEMAT IC 23 INPUTPCB LAYOUT 24 DISPLAY PCB SCHEMAT IC 25 DISPLAY PCB LAYOUT 26 MAIN PCB SCHEMAT ICS 27 MAIN PCB LAYOUT 30 SOFTST ARTPCB SCHEMAT IC 31 SOFTST ARTPCB LAYOUT 32 Cl...

Страница 4: ... disc re te a na lo g c irc uitry a nd tro ub le sho o ting hig h po we r so lid sta te a mplifie rs Pre se nta tio n o f this ma nua l do e s no t c o nstitute e ndo rse me nt o f q ua lific a tio ns b y Ma c kie De sig ns T ECHNICALSUPPORT Ma c kie De sig ns T e c hnic a l Suppo rt De pa rtme nt is a va ila b le 8AM 5PM PST Mo nda y Frida y a t 1 800 258 6883 o utside US c a ll 011 425 487 4333 ...

Страница 5: ...o ha ve a So ft Sta rt c irc uit tha t is no t insta lle d o n Ame ric a n units FASTRECOVERY DESIGN So lid sta te po we r a mplifie rs ha ve a re puta tio n fo r so und ing ha rsh whe n d rive n into c lipping T he usua l e xpla na tio n is o d d ha rmo nic s g e ne ra te d b y ha rd c lipping b ut In fa c t muc h o f the unple a sa nt so und is c a use d b y la tc hing a nd pa ra sitic o sc illa...

Страница 6: ...e ra ting Are a SOA a lso lig hts SHORTLED s He a tsink te mpe ra ture b e yo nd 80 de g re e s Ce lsius 4 SHORT T he Sho rt LEDs lig ht to sho w tha t the a mplifie r ha s e ng a g e d pro te c tio n due to a sho rt o r lo w impe da nc e o n the o utput 5 T EMP ST AT US T he HOTLED lig hts to ind ic a te tha t the a mplifie r ha s e ng a g e d pro te c tio n d ue to he a tsink te mpe ra ture o r ...

Страница 7: ...ON Pla c ing the thre e po sitio n slid e switc h in its c e nte r po sitio n d e fe a ts the b uilt in LIMIT ER fo r b o th c ha nne ls Se le c ting SUB WOOFER e ng a g e s the b uilt in lo w pa ss filte r T he FREQUENCY switc h se le c ts b e twe e n 125Hz a nd 63Hz c uto ff fo r the lo w pa ss filte r In SUB WOOFER mo de inputs 1 a nd 2 a re summe d re g a rdle ss o f AMP MODEse tting Re me mb ...

Страница 8: ... tha n 0 025 T HD 1260 wa tts into 4 o hms fro m 20Hz to 20kHz with no mo re tha n 0 050 T HD Ma ximum Powe r a t 1 T HD 300 wa tts p e r c ha nne l into 8 o hms 500 wa tts p e r c ha nne l into 4 o hms 700 wa tts p e r c ha nne l into 2 o hms 1000 wa tts into 8 o hms b rid g e d 1400 wa tts into 4 o hms b rid g e d Note Po we r ra ting s a re spe c ifie d a t 120VAC U S a nd Ca na da a nd 240VAC ...

Страница 9: ... nne l SIG Sig na l Pre se nt 20 9 6 3 OL Ove rlo a d CH 1 2 PROT ECTLEDs SHORTLEDs T EMP ST AT US COLD HOTLEDs POWER CONSUMPT ION 65 wa tts a t id le 900 wa tts with music a l p ro g ra m fully lo a d e d 2 o hms pe r sid e o r 4 o hms b rid g e d 550 wa tts with music a l p ro g ra m fully lo a d e d 4 o hms p e r sid e o r 8 o hms b rid g e d 850 wa tts a t full p o we r into 8 o hms c o ntinuo...

Страница 10: ... 4 se c o nds o n po we r up a s C53 c ha rg e s via R203 Muting is a c hie ve d b y turning o ff Q73 re mo ving c urre nt so urc e s fo r the diffe re ntia l pa irs Wa it a minute PAIRS Re a d o n An imme dia te ly o b vio us de pa rture fro m sta nda rd de sig ns is the Dua l Diffe re ntia ls a nd Symme tric al Vo ltag e Amps T he re a so ning b e hind this fro nt e nd a rc hite c ture is a c tu...

Страница 11: ...Q79 a nd Q78 If SOA de te c tio n is trippe d the c ha nne l is mute d b y disc ha rg ing C53 thro ug h R200 a nd D65 fa n spe e d is inc re a se d a nd the SHORT LED lig hts DC CROWBARS T he DC Cro wb a r c irc uit pro te c ts spe a ke rs in the e ve nt o f a n o utput fa ilure b y b lo wing a ll ra il fuse s SCRs Q21 24 a re use d to sho rt the 80V supply supplie s to g ro und Output sig na l fr...

Страница 12: ...11 in pa ra lle l with R207 Q91 wa nts it s b a se a d io d e d ro p a b o ve g ro und so Q92 d o ub le s its Emitte r vo lta g e U6B is trig g e re d b y U4D to inc re a se fa n spe e d if Cha nne l 1 SOA pro te c tio n is a c tiva te d U5C OR Cha nne l 2 SOA pro te c tio n is a c tiva te d U5D OR T he he a tsink is a b o ve 60 de g C U5B AND pro g ra m is de te c te d U4C OR T he he a tsink te m...

Страница 13: ... to the c a pa c ito r b o d y Be sure a ll tywra ps a re re pla c e d a nd tha t no wire s a re in d a ng e r o f b e ing pinc he d in b e twe e n the c o ve r a nd he a tsink REQUIRED EQUIPMENTLIST 30 MHz dua l tra c e o sc illo sc o pe DMM Must b e c a pa b le o f me a suring 8mV DC with a minimum o f 2 dig its o f a c c ura c y a nd do wn to 1Ω Sine wa ve o sc illa to r Func tio n g e ne ra to...

Страница 14: ...sho rte d If o ne d rive r is sho rte d re pla c e it s ma te Do the sa me with the pre drive rs Also c he c k a ll the re sisto rs surro und ing the d rive rs a nd pre d rive rs Che c k the VIlimite rs a nd de te c to rs It is no t unc o mmo n to da ma g e the se pa rts whe n the a mplifie r fa ils in a spe c ta c ula r wa y Lo o k fo r sho rts o n Q76 Q77 Q94 Q95 Q83 Q84 Q96 a nd Q97 Ve rify pro...

Страница 15: ...re b e twe e n 120V 140V pk pk d e pe nd ing o n ho w stiff the line is Clipping sho uld b e a s de sc rib e d a b o ve Add the 0 1uF c a pa c itive lo a d ing a nd ve rify c lipping is still we ll b e ha ve d 6 Ind ivid ua lly lo a d Cha nne l 1 a nd Cha nne l 2 with 2Ω Clipping sho uld b e symme tric a l we ll b e ha ve d a nd o c c ur so me whe re a ro und 80V 100V pk pk Ve rify tha t c lipping...

Страница 16: ...M 1200 M 1400 SERVICEMANUAL SERVICEPROCEDURES 14 T HIS PAGEUNINT ENT IONALLY LEFTBLANK T HOSERESPONSIBLEHAVEBEEN PUTT O T HESWORD ...

Страница 17: ...FF S TA GE M ON IT OR 1 00H z S T A GE M ON IT OR O FF T YP IC AL O N O FF T YP IC AL T YPIC AL 35Hz T YPIC AL 35Hz MONOB RI DG E 1200W A T T S 4OHMLOADMI N 600W A T TSC H 2O HM SLO ADM IN S TE RE O T YP IC AL S T E RE O T YP IC AL A IRE Q A IRE Q GAIN CONT ROL S 5KLPOT 130 036 00 KNOB 760 061 00 NUT 705 013 00 ST AR WASHER 710 023 00 POWER SWIT CH 500 022 00 AL LL EDS RED T 1 304 001 00 GREEN T 1...

Страница 18: ...M 1200 M 1400 SERVICEMANUAL PART S 16 CHASSIS ASSEMBLY 4 5 8 1 2 3 6 1 7 1 11 9 10 12 13 15 16 17 18 14 ...

Страница 19: ...016 01 XFMR M1200 230V 600 016 02 XFMR M1200 100V 705 019 00 NUTHEX 5 16 18 710 017 00 WASH SPLT LCK5 16 HEAVY 710 024 00 WASH FLAT5 16 HARD USS 550 249 00 PLAT EXFMR MT G M1200 780 111 00 RUBBER PAD 700 059 00 HEX 5 16 18X3IN GD 5 13 550 247 00 SHIELD INPUT M1200 14 780 042 00 INSULMYLAR INPUTSHIELD 15 055 079 00 PCB ASSY INPUT1200 1400 16 700 028 02 SEMS 6 32X3 8 PHP BLKZC INPUTPCB T O SHIELD 17...

Страница 20: ...M 1200 M 1400 SERVICEMANUAL PART S 18 HEAT SINKASSEMBLY ...

Страница 21: ...ETSUBSINK M1200 9 410 003 00 INSLSILPAD K6 W ADHESIVE 11 700 010 00 T F6 32X1 4 PHP BLKZC 12 710 013 00 WASH FLATNO 6 FIBRE 13 700 010 04 T F6 32X3 8 PHP BLKZC 14 550 237 00 SPRING CLIP SUBSINK M1200 15 700 028 02 SEMS 6 32X3 8 PHP BLKZC 16 550 225 00 HEAT SINKCOWLING M1200 17 700 010 00 T F6 32X1 4 PHP BLKZC 18 770 006 00 FAN 80MM 24VDC MECHAT RONI 18 770 007 00 FAN 80MM 24VDC PANASONIC 19 550 21...

Страница 22: ...W 5 12KOHM 100 076 00 RES CF 125W 5 13KOHM 100 080 00 RES CF 125W 5 20KOHM 100 082 00 RES CF 125W 5 24KOHM 100 083 00 RES CF 125W 5 27KOHM 100 084 00 RES CF 125W 5 30KOHM 100 086 00 RES CF 125W 5 36KOHM 100 089 00 RES CF 125W 5 47KOHM 100 092 00 RES CF 125W 5 62KOHM 100 093 00 RES CF 125W 5 68KOHM PART DESCRIPT ION 100 094 00 RES CF 125W 5 75KOHM 100 097 00 RES CF 125W 5 100KOHM 100 109 00 RES CF ...

Страница 23: ...V RAD 220 035 00 LYT12000UF20 80V RAD 220 039 00 LYT1000 20 25V RAD SMDIA 220 040 00 LYT10UF20 160V RAD 300 001 00 DIO SIG 1N4148 100V 500MW PART DESCRIPT ION 300 003 00 DIO SW DL4148 100V SM 300 007 00 DIO SW 1SS244 SUB 1SS245 301 006 00 T HY 2N6507 400V 301 007 00 DIO PWR DUALFEP30 D7 301 008 00 DIO PWR DUALFEN30 D8 301 009 00 DIO PWR 1N4004 301 010 00 DIO PWR 1N5404 3A 400V 301 014 00 DIO PWR 1...

Страница 24: ...T F6 32X1 4 PHP BLKZC 700 010 04 T F6 32X3 8 PHP BLKZC 700 011 00 MCH 4 40X1 4 BT NSKTBLKOX 700 028 02 SEMS 6 32X3 8 PHP BLKZC 700 028 04 SEMS 6 32X3 4 PHP BLKZC 700 041 04 MCH 6 32X3 8 FL100DG BLK 700 047 04 MCH 10 32X3 8 FILPHLCLR 700 050 04 MCH 6 32X3 8 FILPHLCLR 700 055 00 MCH 4 24X3 8 PHP BLKHILO PART DESCRIPT ION 700 058 02 MCH 4 40X1 2 SKTCLRZC 700 059 00 HEX 5 16 18X3IN GD 5 704 001 01 PEM...

Страница 25: ...r to SN AH12657 Pro b le m Orig ina l fuse 15A ra te d to o lo w T urn o n inrush c urre nt c a use s fuse to o pe n So lutio n Re pla c e the ma in F1 fuse with a 20A 250V slo w b lo w fuse Atte ntion Sinc e yo u will b e wo rking dire c tly with the AC po we r line gre at c are sho uld be take n in all aspe c ts o f the installatio n Po we r sho uld b e d isc o nne c te d fro m the unit prio r t...

Страница 26: ...X to AFXXXXX Effe c tive 5 8 97 Pro b le m T he prima ry a nd se c o nda ry wire s g e t pinc he d b e twe e n the to p c o ve r a nd the fa n shro ud So lutio n Insta ll a 7 tywra p thro ug h the fa n shro ud tunne ls 740 016 00 15 1 16 tywra p c ut to 7 Transformer secondary wires Transformer primary wires Top View 7 tywa rp 15 1 16 7 7 Fa n T ywra p Fro nt Vie w T o p Vie w ...

Страница 27: ... personnel Tools Required Phillips screwdriver Torx and Allen drivers needle nose pliers safety glasses Parts Required 040 359 00 Ribbon cable 28GA 20 Pin Length 4 25 PLZD Quantity 1 040 360 00 Ribbon cable 28GA 20 Pin Length 18 PLZD Quantity 1 400 077 00 20 Pin Headers Quantity 2 Procedure 1 Remove all cords including the power cable and speaker outputs from the amplifier 2 Take off the top cover...

Страница 28: ...ribbon cable Discard part 040 062 02 18 inch ribbon cable You may have to undo the display board screws in order to remove it from J1 13 Add part 040 359 00 4 25 inch ribbon cable to J11 Add part 040 360 00 18 inch ribbon cable to J16 Align each cable s color stripe with the header s pin 1 Make sure both ribbons are fully inserted 14 Refit the display board once the long ribbon cable is securely a...

Страница 29: ...M 1200 M 1400 INPUTPCB 055 079 00 REV D 23 ...

Страница 30: ...M 1200 M 1400 INPUTPCB 055 079 00 REV D 24 ...

Страница 31: ...M 1200 M 1400 DISPLAY PCB 055 080 00 REV A 25 ...

Страница 32: ...M 1200 M 1400 DISPLAY PCB 055 080 00 REV A 26 ...

Страница 33: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 27 ...

Страница 34: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 28 ...

Страница 35: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 29 ...

Страница 36: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 30 ...

Страница 37: ...M 1200 M 1400 SOFTST ARTPCB 055 162 00 REV A 31 ...

Страница 38: ...M 1200 M 1400 SOFTST ARTPCB 055 162 00 REV A 32 ...

Страница 39: ...M 1400 M 1400i M 1200 SERVICE MANUAL 1998 MACKIE DESIGNS INC 820 179 00 Version 1 2 ...

Страница 40: ...ISSER AUCUNE PARTIE A DECOUVERT The lig htning flash w ith arrow hea d symb o l w ithin an e quilate ral tr ia ngle is inte nd e d to ale rt the use r to the p r e se nc e o f uninsulate d d ang ero us volta ge w ithin the p r o d uc t s e nc lo sur e tha t m a y b e o f suffic ie nt m ag nitud e to c onstitud e a risk o f e le c tric sho c k to pe rso ns Le sym b o le é c l a ir ave c po int de f...

Страница 41: ...PROCEDURES 11 REQUIRED EQUIPMENTLIST 11 T ROUBLESHOOT ING T IPS OUT PUTFAILURES 12 T ESTAND BIASING PROCEDURE 13 PART S 15 QUICKPART S 15 CHASSIS ASSEMBLY 16 HEAT SINKASSEMBLY 18 COMPLET EPART S LIST 20 SCHEMAT ICS PCB LAYOUT S 23 INPUTPCB SCHEMAT IC 23 INPUTPCB LAYOUT 24 DISPLAY PCB SCHEMAT IC 25 DISPLAY PCB LAYOUT 26 MAIN PCB SCHEMAT ICS 27 MAIN PCB LAYOUT 30 SOFTST ARTPCB SCHEMAT IC 31 SOFTST A...

Страница 42: ... disc re te a na lo g c irc uitry a nd tro ub le sho o ting hig h po we r so lid sta te a mplifie rs Pre se nta tio n o f this ma nua l do e s no t c o nstitute e ndo rse me nt o f q ua lific a tio ns b y Ma c kie De sig ns T ECHNICALSUPPORT Ma c kie De sig ns T e c hnic a l Suppo rt De pa rtme nt is a va ila b le 8AM 5PM PST Mo nda y Frida y a t 1 800 258 6883 o utside US c a ll 011 425 487 4333 ...

Страница 43: ...o ha ve a So ft Sta rt c irc uit tha t is no t insta lle d o n Ame ric a n units FASTRECOVERY DESIGN So lid sta te po we r a mplifie rs ha ve a re puta tio n fo r so und ing ha rsh whe n d rive n into c lipping T he usua l e xpla na tio n is o d d ha rmo nic s g e ne ra te d b y ha rd c lipping b ut In fa c t muc h o f the unple a sa nt so und is c a use d b y la tc hing a nd pa ra sitic o sc illa...

Страница 44: ...e ra ting Are a SOA a lso lig hts SHORTLED s He a tsink te mpe ra ture b e yo nd 80 de g re e s Ce lsius 4 SHORT T he Sho rt LEDs lig ht to sho w tha t the a mplifie r ha s e ng a g e d pro te c tio n due to a sho rt o r lo w impe da nc e o n the o utput 5 T EMP ST AT US T he HOTLED lig hts to ind ic a te tha t the a mplifie r ha s e ng a g e d pro te c tio n d ue to he a tsink te mpe ra ture o r ...

Страница 45: ...ON Pla c ing the thre e po sitio n slid e switc h in its c e nte r po sitio n d e fe a ts the b uilt in LIMIT ER fo r b o th c ha nne ls Se le c ting SUB WOOFER e ng a g e s the b uilt in lo w pa ss filte r T he FREQUENCY switc h se le c ts b e twe e n 125Hz a nd 63Hz c uto ff fo r the lo w pa ss filte r In SUB WOOFER mo de inputs 1 a nd 2 a re summe d re g a rdle ss o f AMP MODEse tting Re me mb ...

Страница 46: ... tha n 0 025 T HD 1260 wa tts into 4 o hms fro m 20Hz to 20kHz with no mo re tha n 0 050 T HD Ma ximum Powe r a t 1 T HD 300 wa tts p e r c ha nne l into 8 o hms 500 wa tts p e r c ha nne l into 4 o hms 700 wa tts p e r c ha nne l into 2 o hms 1000 wa tts into 8 o hms b rid g e d 1400 wa tts into 4 o hms b rid g e d Note Po we r ra ting s a re spe c ifie d a t 120VAC U S a nd Ca na da a nd 240VAC ...

Страница 47: ... nne l SIG Sig na l Pre se nt 20 9 6 3 OL Ove rlo a d CH 1 2 PROT ECTLEDs SHORTLEDs T EMP ST AT US COLD HOTLEDs POWER CONSUMPT ION 65 wa tts a t id le 900 wa tts with music a l p ro g ra m fully lo a d e d 2 o hms pe r sid e o r 4 o hms b rid g e d 550 wa tts with music a l p ro g ra m fully lo a d e d 4 o hms p e r sid e o r 8 o hms b rid g e d 850 wa tts a t full p o we r into 8 o hms c o ntinuo...

Страница 48: ... 4 se c o nds o n po we r up a s C53 c ha rg e s via R203 Muting is a c hie ve d b y turning o ff Q73 re mo ving c urre nt so urc e s fo r the diffe re ntia l pa irs Wa it a minute PAIRS Re a d o n An imme dia te ly o b vio us de pa rture fro m sta nda rd de sig ns is the Dua l Diffe re ntia ls a nd Symme tric al Vo ltag e Amps T he re a so ning b e hind this fro nt e nd a rc hite c ture is a c tu...

Страница 49: ...Q79 a nd Q78 If SOA de te c tio n is trippe d the c ha nne l is mute d b y disc ha rg ing C53 thro ug h R200 a nd D65 fa n spe e d is inc re a se d a nd the SHORT LED lig hts DC CROWBARS T he DC Cro wb a r c irc uit pro te c ts spe a ke rs in the e ve nt o f a n o utput fa ilure b y b lo wing a ll ra il fuse s SCRs Q21 24 a re use d to sho rt the 80V supply supplie s to g ro und Output sig na l fr...

Страница 50: ...11 in pa ra lle l with R207 Q91 wa nts it s b a se a d io d e d ro p a b o ve g ro und so Q92 d o ub le s its Emitte r vo lta g e U6B is trig g e re d b y U4D to inc re a se fa n spe e d if Cha nne l 1 SOA pro te c tio n is a c tiva te d U5C OR Cha nne l 2 SOA pro te c tio n is a c tiva te d U5D OR T he he a tsink is a b o ve 60 de g C U5B AND pro g ra m is de te c te d U4C OR T he he a tsink te m...

Страница 51: ... to the c a pa c ito r b o d y Be sure a ll tywra ps a re re pla c e d a nd tha t no wire s a re in d a ng e r o f b e ing pinc he d in b e twe e n the c o ve r a nd he a tsink REQUIRED EQUIPMENTLIST 30 MHz dua l tra c e o sc illo sc o pe DMM Must b e c a pa b le o f me a suring 8mV DC with a minimum o f 2 dig its o f a c c ura c y a nd do wn to 1Ω Sine wa ve o sc illa to r Func tio n g e ne ra to...

Страница 52: ...sho rte d If o ne d rive r is sho rte d re pla c e it s ma te Do the sa me with the pre drive rs Also c he c k a ll the re sisto rs surro und ing the d rive rs a nd pre d rive rs Che c k the VIlimite rs a nd de te c to rs It is no t unc o mmo n to da ma g e the se pa rts whe n the a mplifie r fa ils in a spe c ta c ula r wa y Lo o k fo r sho rts o n Q76 Q77 Q94 Q95 Q83 Q84 Q96 a nd Q97 Ve rify pro...

Страница 53: ...re b e twe e n 120V 140V pk pk d e pe nd ing o n ho w stiff the line is Clipping sho uld b e a s de sc rib e d a b o ve Add the 0 1uF c a pa c itive lo a d ing a nd ve rify c lipping is still we ll b e ha ve d 6 Ind ivid ua lly lo a d Cha nne l 1 a nd Cha nne l 2 with 2Ω Clipping sho uld b e symme tric a l we ll b e ha ve d a nd o c c ur so me whe re a ro und 80V 100V pk pk Ve rify tha t c lipping...

Страница 54: ...M 1200 M 1400 SERVICEMANUAL SERVICEPROCEDURES 14 T HIS PAGEUNINT ENT IONALLY LEFTBLANK T HOSERESPONSIBLEHAVEBEEN PUTT O T HESWORD ...

Страница 55: ...FF S TA GE M ON IT OR 1 00H z S T A GE M ON IT OR O FF T YP IC AL O N O FF T YP IC AL T YPIC AL 35Hz T YPIC AL 35Hz MONOB RI DG E 1200W A T T S 4OHMLOADMI N 600W A T TSC H 2O HM SLO ADM IN S TE RE O T YP IC AL S T E RE O T YP IC AL A IRE Q A IRE Q GAIN CONT ROL S 5KLPOT 130 036 00 KNOB 760 061 00 NUT 705 013 00 ST AR WASHER 710 023 00 POWER SWIT CH 500 022 00 AL LL EDS RED T 1 304 001 00 GREEN T 1...

Страница 56: ...M 1200 M 1400 SERVICEMANUAL PART S 16 CHASSIS ASSEMBLY 4 5 8 1 2 3 6 1 7 1 11 9 10 12 13 15 16 17 18 14 ...

Страница 57: ...016 01 XFMR M1200 230V 600 016 02 XFMR M1200 100V 705 019 00 NUTHEX 5 16 18 710 017 00 WASH SPLT LCK5 16 HEAVY 710 024 00 WASH FLAT5 16 HARD USS 550 249 00 PLAT EXFMR MT G M1200 780 111 00 RUBBER PAD 700 059 00 HEX 5 16 18X3IN GD 5 13 550 247 00 SHIELD INPUT M1200 14 780 042 00 INSULMYLAR INPUTSHIELD 15 055 079 00 PCB ASSY INPUT1200 1400 16 700 028 02 SEMS 6 32X3 8 PHP BLKZC INPUTPCB T O SHIELD 17...

Страница 58: ...M 1200 M 1400 SERVICEMANUAL PART S 18 HEAT SINKASSEMBLY ...

Страница 59: ...ETSUBSINK M1200 9 410 003 00 INSLSILPAD K6 W ADHESIVE 11 700 010 00 T F6 32X1 4 PHP BLKZC 12 710 013 00 WASH FLATNO 6 FIBRE 13 700 010 04 T F6 32X3 8 PHP BLKZC 14 550 237 00 SPRING CLIP SUBSINK M1200 15 700 028 02 SEMS 6 32X3 8 PHP BLKZC 16 550 225 00 HEAT SINKCOWLING M1200 17 700 010 00 T F6 32X1 4 PHP BLKZC 18 770 006 00 FAN 80MM 24VDC MECHAT RONI 18 770 007 00 FAN 80MM 24VDC PANASONIC 19 550 21...

Страница 60: ...W 5 12KOHM 100 076 00 RES CF 125W 5 13KOHM 100 080 00 RES CF 125W 5 20KOHM 100 082 00 RES CF 125W 5 24KOHM 100 083 00 RES CF 125W 5 27KOHM 100 084 00 RES CF 125W 5 30KOHM 100 086 00 RES CF 125W 5 36KOHM 100 089 00 RES CF 125W 5 47KOHM 100 092 00 RES CF 125W 5 62KOHM 100 093 00 RES CF 125W 5 68KOHM PART DESCRIPT ION 100 094 00 RES CF 125W 5 75KOHM 100 097 00 RES CF 125W 5 100KOHM 100 109 00 RES CF ...

Страница 61: ...V RAD 220 035 00 LYT12000UF20 80V RAD 220 039 00 LYT1000 20 25V RAD SMDIA 220 040 00 LYT10UF20 160V RAD 300 001 00 DIO SIG 1N4148 100V 500MW PART DESCRIPT ION 300 003 00 DIO SW DL4148 100V SM 300 007 00 DIO SW 1SS244 SUB 1SS245 301 006 00 T HY 2N6507 400V 301 007 00 DIO PWR DUALFEP30 D7 301 008 00 DIO PWR DUALFEN30 D8 301 009 00 DIO PWR 1N4004 301 010 00 DIO PWR 1N5404 3A 400V 301 014 00 DIO PWR 1...

Страница 62: ...T F6 32X1 4 PHP BLKZC 700 010 04 T F6 32X3 8 PHP BLKZC 700 011 00 MCH 4 40X1 4 BT NSKTBLKOX 700 028 02 SEMS 6 32X3 8 PHP BLKZC 700 028 04 SEMS 6 32X3 4 PHP BLKZC 700 041 04 MCH 6 32X3 8 FL100DG BLK 700 047 04 MCH 10 32X3 8 FILPHLCLR 700 050 04 MCH 6 32X3 8 FILPHLCLR 700 055 00 MCH 4 24X3 8 PHP BLKHILO PART DESCRIPT ION 700 058 02 MCH 4 40X1 2 SKTCLRZC 700 059 00 HEX 5 16 18X3IN GD 5 704 001 01 PEM...

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