19
Public Address Power Amplifier PA-648
Public Address Power Amplifier
PA-648
CONTENTS
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Electrical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Top and Bottom View of P.C. Board . . . . . . . . . . . . . . . . . . . . . . . . 6Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Exploded View of Cabinet & Chassis / Mechanical Parts List . . . 16
1
SPECIFICATIONS
PA-648
Rated Output Power (THD 5%, 1kHz) 480W
Frequency Response (+1/-3dB) 70Hz-18kHz
T.H.D Less than 5%
High Pass Filter (400Hz) -3dB
Gain Control 0 ~ -12dB
S/N Better than 90dB
Input Sensitivity/Impedance 1V/10kΩ Balanced
Output Voltage/Impedance 4Ω/43.8V
8Ω/62V
10.2Ω/70V
20.8Ω/100V
Operating Temperature -10�C ~ +40�C
Power Source 100–120VAC or 220–240VAC; 50/60Hz, 24VDC(Supplied AC mains transformer depends on country requirements)
Power Consumption(1/8 power) 600W
Weight 24kg/52.9lb
Dimensions 482(W)×132(H)×280(D)mm/19(W)x5.2(H)x11(D)in
* Specifications and design subject to change without notice.
2
CN13 111415 04P/B4P-VH/3.96,B4PVH-04P LW0640-04PCN11 111417 CON WAFER,LOCK(M),6P,ST LW0640-06PCN12 CN14-17 111357 CON WAFER,BOX(M),2P,ST LW5267-02PC11 105483 CAP,E,SM,SG,85C,2.2UF,50V,M,5P,TA 2.2/50C12-13 105445 CAP,E,SM,SG,85C,1UF,50V,M,5P,TA 1/50C15-16 C18 C22 C24-25 C27-29 105405 CAP,E,SM,SG,85C,10UF,50V,M,5P,TA 10/50C17 105511 CAP,E,SM,SG,85C,47UF,50V,M,6P,TA 47/50C19 C109 105543 CAP,E,SM,SG,85C,4.7UF,50V,M,5P,TA 4.7/50C21 105358 CAP RSA 100UF 100V SNAP 13 P 100/100C23 105523 CAP,E,SM,SD,85C,470UF,25V,M,10X12.5,TA 470/25C26 105423 CAP,E,SM,SG,85C,100UF,50V,M,8P,TA 100/50C30 105473 CAP,E,SM,SG,85C,220UF,25V,J,8P,TA 220/25C31 105487 CAP,E,SM,SG,85C,33UF,50V,M,6P,TA 33/50C34 105969 CAP EM 0.47UF 250V K 0.47/250(M)CR1-2 122507 CAP,CE,3300PF,16V,M,AX,TA 3300P16CR11-12 122485 CAP,CE,1000PF,50V,K,AX,TA 0.001UCR13 122486 CAP,CE,120PF,50V,K,AX,TA 120PCR14 122515 CAP,CE,TEMP,SL,4.7PF,50V,D,AX,TA 4.7PCR15 122484 CAP,CE,100PF,50V,K,AX,TA 100PCR16-17 122491 CAP,CE,470PF,50V,K,AX,TA 470PCR18-21 105777 CAP CE Y 100000PF 50V Z AXIAL 0.1UD11-19 102687 DIODE,SW,100MA,75V,1N4148M,DO-34M,TA 1N4148D20 102676 DIODE SCHOTTKY MBR4060PT MBR4060D21 102659 DIODE,RE,1A,800V,1N4006,DO-41,TA 1N4006(4007)F4-7 106886 FUSE CLIP,6X31.8 CLIP 31.8mmFAN1 114196 FAN (F1238H24B) FANH3 107838 CON ASS'Y 1P RED TUBE 250-TER ASS'Y 1P RED TUBEH11-14 110001 CON ASS'Y,DS,4P,P2.6 ASS'Y,DS,4PH15 107839 CON ASS'Y 1P RED TUBE 250-TER VALUEH16 107864 CON ASS'Y 1P BLK TUBE 250-TER ASS'Y 1P BLKH17-18 107840 CON ASS'Y 1P BRN #14 250-TER ASS'Y 1P BRNH19 107848 CON ASS'Y 1P BRN TUBE 250-TER ASS'Y 1P BRN TUBEH20 107854 CON ASS'Y 1P RED #14 250-TER ASS'Y 1P REDH21 107856 CON ASS'Y 1P RED #14 250-TER ASS'Y 1P REDIPT11 103617 TRANS,IPR,150OHM,515/515OHM 103617P11-18 111903 TERMINAL(250)PCB TAB 250TQ11 Q13 Q19-20 Q32-34 102525 TR,SG,NPN,150MA,50V,KTC3198Y,TO-92,TA KTC3198-YQ12 102540 TR,SG,NPN,300MA,20V,KTD1302,TO-92,TA KTD1302Q14 102528 TR,SG,NPN,100MA,120V,KTC3200BL,TO-92,TA KTC3200-BLQ15-16 102527 TR,SW,NPN,150MA,50V,KTC3206,TO-92L,TA KTC3206-YQ17-18 102589 TR,PW,NPN,1.5A,180V,KTC4370A,TO-220IS KTC4370A-YQ21-30 102594 TR,PW,NPN,15V,180V,2SC3856,TO-3P(N) 2SC3856Q31 102578 TR,PW,NPN,3A,60V,KTD2058,TO-220AB KTD2058-YQ35 102526 TR,SG,PNP,150MA,50V,KTA1266Y,TO-92,TA KTA1266-YQ36 102502 TR,SG,NPN,100MA,250V,2SC4001,TO-126 2SC4001R60-69 104741 RES,CE,WW,0.22,3W,5% 0.22 3WR11-13 R16-20 R24 R26 R29 R79 R81 104237 RES,MF,10K,1/5W,5%,AX N,TA 10KR14-15 R23 104346 RES,MF,5.6K,1/5W,5%,AX N,TA 5.6KR21-22 R73 R80 104238 RES,MF,100K,1/5W,5%,AX N,TA 100KR25 104269 RES,MF,1.8K,1/5W,5%,AX N,TA 1.8KR27 104307 RES,MF,330,1/5W,5%,AX N,TA 330R28 104375 RES,MF,910,1/5W,5%,AX N,TA 910R30 104274 RES,MF,2K,1/5W,5%,AX N,TA 2KR31-32 R36-37 R77-78 104333 RES,MF,47K,1/5W,5%,AX N,TA 47KR33 104270 RES,MF,18K,1/5W,5%,AX N,TA 18KR34-35 104367 RES,MF,7.5K,1/5W,5%,AX N,TA 7.5K
ELECTRICAL PARTS LISTRef. Part No. Description Value
MAIN B'D
Ref. Part No. Description Value
3
R38 R54-55 104294 RES,MF,270,1/5W,5%,AX N,TA 270R39-40 R86 104306 RES,MF,33,1/5W,5%,AX N,TA 33R41 R92 104616 RES,MF,270,2W,5%,RA R,TA 270 2WR42 104668 RES,MF,4.7,2W,5%,RA R,TA 4.7 2WR43 R52-53 R89 104329 RES,MF,470,1/5W,5%,AX N,TA 470R44 104332 RES,MF,4.7K,1/5W,5%,AX N,TA 4.7KR45 104316 RES,MF,390,1/5W,5%,AX N,TA 390R46-47 104532 RES,MF,1K,2W,5%,RA R,TA 1K 2WR48-49 104279 RES,MF,22,1/5W,5%,AX N,TA 22R50-51 104273 RES,MF,200,1/5W,5%,AX N,TA 200R56 R59 104281 RES,MF,2.2K,1/5W,5%,AX N,TA 2.2KR57-58 104275 RES,MF,20K,1/5W,5%,AX N,TA 20KR70 104174 RES,MF,9.09K,1/5W,1%,AX N,TA 9.09K 1%R71 104347 RES,MF,56K,1/5W,5%,AX N,TA 56KR72 104369 RES,MF,75K,1/5W,5%,AX N,TA 75KR74 104136 RES,MF,3.24K,1/5W,1%,AX N,TA 3.24K 1%R75 104120 RES MF 1.2K 1/8W FN 1.2K 1%R76 104173 RES,MF,8.66K,1/5W,1%,AX N,TA 8.66K 1%R82 104580 RES,MF,20,2W,5%,RA R,TA 20 2WR83 R90 104236 RES,MF,1K,1/5W,5%,AX N,TA 1KR84 R87 104361 RES,MF,6.8K,1/5W,5%,AX N,TA 6.8KR85 104374 RES MF 820K 1/8W J N 820KR88 104282 RES CF 22K 1/5W J N 22KRLY11 112629 RELAY 897P-1AH-D T01(DC24V)S.C 897P-1AH-DSVR11-12 105325 RES SEMI FT-63 TP(100) 100TH11-12 103445 THERMIST,NTC,50OHM,125C TH50TP11-15 112218 CNT PLUG 1P CNT-01PU11 U14 102816 IC,OP AMP,NJM4558D,DIP8 4558DU12 102888 IC,OP AMP,NJM4580D,DIP8 4580DU13 103063 IC,VOLT REG,15V,1A,MC7815CTG,TO-220AB 7815ZD11 102725 DIODE,ZN,500MW,BM,7.5V,DO-35,TA 7.5BZD12 ZD18 102742 DIODE,ZN,500MW,BM,16V,DO-35,TA 16BMZD13 102733 DIODE,ZN,500MW,BM,8.2V,DO-35,TA 8.2BMZD14 102735 DIODE,ZN,500MW,BM,10V,DO-35,TA 10BMZD15-16 102731 DIODE,ZN,500MW,BM,5.6V,DO-35,TA 5.6BMZD17 102737 DIODE,ZN,500MW,BM,12V,DO-35,TA 12BMZD19 102748 DIODE,ZN,500MW,BM,24V,DO-35,TA 24BMZD20 102770 DIODE,ZN,1W,BM,10V,DO-41,TA 10V 1WZD21 102767 DIODE,ZN,1W,BM,12V,DO-41,TA 12V 1W
AN13 108157 CON ASS'Y 4P 210MM ASS'Y-04PC101 C103 105396 CAP,E,SM,SE,85C,10UF,50V,M,6.3X5,TA 10/50C102 105448 CAP,E,SM,SE,85C,1UF,50V,M,4X5,TA 1/50C104 105511 CAP,E,SM,SG,85C,47UF,50V,M,6P,TA 47/50C105-106 105546 CAP,E,SM,SE,85C,4.7UF,50V,M,TA 4.7/50C107 124025 CAP,E,SM,SRE,85C,22UF,50V,M,5P,TA 22/50CR101 122492 CAP,CE,TEMP,SL,10PF,50V,J,AX,TA 10PCR102-103 105777 CAP CE Y 100000PF 50V Z AXIAL 0.1UD101 102687 DIODE,SW,100MA,75V,1N4148M,DO-34M,TA 1N4148LD101-102 103244 LED,RND 3MM,RED,CLR,1U,AN5,TA ML3BHD2F-EAA-TLD103-104 103245 LED,RND 3MM,GRN,CLR,1U,AN5,TA LTL-1CHGE-021AR101 R104 104270 RES,MF,18K,1/5W,5%,AX N,TA 18KR102 104309 RES,MF,33K,1/5W,5%,AX N,TA 33KR103 104372 RES,MF,8.2K,1/5W,5%,AX N,TA 8.2KR105 104236 RES,MF,1K,1/5W,5%,AX N,TA 1KR106 R108 R123 104238 RES,MF,100K,1/5W,5%,AX N,TA 100K
ELECTRICAL PARTS LIST
LED DRIVER B'D
Ref. Part No. Description Value
ELECTRICAL PARTS LIST
4
R107 104176 RES MF 9.4K 1/8W F N 9.4K 1%R109 104317 RES,MF,3.9K,1/5W,5%,AX N,TA 3.9KR110 104281 RES,MF,2.2K,1/5W,5%,AX N,TA 2.2KR111 104371 RES,MF,820,1/5W,5%,AX N,TA 820R112 104185 RES,MF,220,1/5W,1%,AX N,TA 220 1%R113 104239 RES,MF,1M,1/5W,5%,AX N,TA 1MR114-115 104361 RES,MF,6.8K,1/5W,5%,AX N,TA 6.8KR116-121 104274 RES,MF,2K,1/5W,5%,AX N,TA 2KR122 104332 RES,MF,4.7K,1/5W,5%,AX N,TA 4.7KR124 104256 RES,MF,1.5K,1/5W,5%,AX N,TA 1.5KR125 104237 RES,MF,10K,1/5W,5%,AX N,TA 10KR126 104363 RES,MF,680K,1/5W,5%,AX N,TA 680KQ101 102528 TR,SG,NPN,100MA,120V,KTC3200BL,TO-92,TA KTC3200-BLQ102 Q104-105 102525 TR,SG,NPN,150MA,50V,KTC3198Y,TO-92,TA KTC3198-YQ103 102544 TR,SG,NPN,700MA,50V,2SD1111-AA 2SD1111U101-102 102816 IC,OP AMP,NJM4558D,DIP8 4558DZD101 102734 DIODE,ZN,500MW,BM,9.1V,DO-35,TA 9.1BZD102-103 102737 DIODE,ZN,500MW,BM,12V,DO-35,TA 12BM
R91 104719 RES,CE,WW,100,5W,5%,RA T 100 5WT1 111895 TERMINAL,SCREW,4P,10MM,ST TERMINAL04PTP2 112218 CNT PLUG 1P CNT-01PC35-36 105865 CAP,FILM,POLYSTR,0.047UF,400,J 0.047/400(M)CN18 110411 WAFER LW(3.96) 5P JIS WAFERSP1 105670 CAP,CE,HI-DI,0.01UF,500V,Z,RA,TA 0.01/500J1 J3 J6 102394 JUMP WIRE JUMPER(DOM. etc.)J2 J4/1 J4/2 J6 102394 JUMP WIRE JUMPER(UL/CSA)
AN1 107834 CON ASS'Y 6P SHIELD #26 CON ASS'Y 6P SHIELDBKT1 113528 BRACKET PCB PS-A152 BRACKETBKT2 113464 BRACKET PHONE JACK B BRACKETC1 105480 CAP,E,SM,SG,85C,0.22UF,50V,M,5P,TA 0.22/50C2 105537 CAP,E,SM,SG,85C,0.47UF,50V,M,5P,5,TA 0.47/50C3 105820 CAP,FILM,POLYSTR,0.01UF,100V,J,TA 0.01/100(M)C5-6 105624 CAP,E,LA,15000UF,63V,M,35*50 15000/63DC1 111590 TERMINAL,DC,2P,19MM,AN,V-0 TERMINAL02PF15 111858 FAU-0031.3577 SCHURTER PU-3210 FH-FAU0031.3577H1 107861 CON ASS'Y 1P WHT TUBE 250-TER ASS'Y 1P WHT TUBEH2 107863 CON ASS'Y 1P BLK TUBE 250-TER ASS'Y 1P BLK TUBEH3 107838 CON ASS'Y 1P RED TUBE 250-TER ASS'Y 1P REDH4 108155 CON ASS'Y 1P BLK TUBE 250-TER ASS'Y 1P BLK TUBEH7 108156 CON ASS'Y 1P BLUE CON ASS'Y 1P BLUEH15 107839 CON ASS'Y 1P RED TUBE 250-TER ASS'Y 1P RED TUBEH16 107864 CON ASS'Y 1P BLK TUBE 250-TER ASS'Y 1P BLK TUBEJK1 111675 JACK,XLR(F),1U,3P,AN XLR/FJK2 110898 JACK,XLR(M),1U,3P,AN,E403A0090N XLR/MP3-6 P9-10 P19-P21 111903 TERMINAL(250)PCB TAB 250TR1 104308 RES,MF,3.3K,1/5W,5%,AX N,TA 3.3KSW1-2 111948 SW,SLIDE,HOR,DPDT,NS,L7.5 SV10020VR1 105193 VR,ROT,HOR,1U,L25,5K,B 5KB
AN2 124007 CON ASS'Y,FL,2P,5264,51088,230MM ASS'Y-02PC4 105789 CAP,CE,AC,Y2/X1,0,01UF,250VAC,M,RA 0.01/250SW3 112157 SW POWER JPP 2197BCS32 JPP 2197BCS32
TERMINAL B'D
JACK B'D
POWER S/W B'D (PW SW B'D)
Ref. Part No. Description Value
ELECTRICAL PARTS LIST
5
H5-6 124002 CON ASS'Y 1P BRN #14 250-TER ASS'Y 1P BRN
AN131 124008 CON ASS'Y,FL,2P,5264,51088,200MM ASS'Y-02PLD131 103252 LED,RND,3.1MM,BLU,CLR,1U,ST2.5 LTL1CHTBK1R131 104281 RES,MF,2.2K,1/5W,5%,AX N,TA 2.2KHL10 114978 LED LIMITER LIMITER
F1 112460 FUSE,20MM,T,8A,250V,K/U/CS/J T8A/250VF2-3 112470 FUSE,31.8MM,T,20A,250V,K/U/CS T20A/250VD1 102674 DIODE,BR,50A,600V,GBPC5006,GBPC GBPC5006OPT1 103639 TRANS OUTPUT PA-935A O.P.T PA-9348ACIN1 111738 AC INLET,3P,SS-120,250T-2.0T 6100.432PT1 103756 TRANS POWER PA-9348 (220V) 220V
103755 TRANS POWER PA-9348(115/230V) 115V/230V103757 TRANS POWER PA-9348(240V) 240V
AC Cord Set 106904 AC CORD DOME 10A INLET 220V106948 AC CORD SET,3P,16A,250VAC,V,2200MM 230V106931 AC CORD,3P,10A,250VAC,V,2500MM 230V,UK106939 AC CORD SET,3P,10A,250VAC,SAA,2500MM 240V,SAA106947 AC CORD SET,3P,10A,125VAC,U,2000MM 120V106909 AC CORD SET,3P,10A,125VAC,J,1800MM 100V
POWER LED B'D (PW LED B'D)
ASS'Y
TOP & BOTTOM VIEW OF P.C BOARD
6
TOP & BOTTOM VIEW OF P.C BOARD
7
TOP & BOTTOM VIEW OF P.C BOARD
8
TOP & BOTTOM VIEW OF P.C BOARD
9
TOP & BOTTOM VIEW OF P.C BOARD
10
TOP & BOTTOM VIEW OF P.C BOARD
11
TOP & BOTTOM VIEW OF P.C BOARD
12
WIRING DIAGRAM
13
BLOCK DIAGRAM
14
SCHEMATIC DIAGRAM
15
EXPLODED VIEW OF CABINET & CHASSIS/MECHANICAL PARTS LIST
16
EXPLODED VIEW OF CABINET & CHASSIS/MECHANICAL PARTS LIST
10
8
S7
23
9
S6
S6
AC INLET
PART NAME
HANDLE 3 SIZE
KNOB PUSH
DECO KNOB POWER
FRONT PANEL
HANDLE B.K.T
MAIN CHASSIS
WINDOW
LED SPONGE
LENS LED
BRACKET FAN
POWER S/W B'D
POWER TRANS
TERMINAL B'D
BRACKET PCB
HEAT SINK
POWER LED B'D
PCB JACK B'D
TOP COVER
TRANS OUTPUT
BKT PHONE JACK "B"
GUIDE BKT
TERMINAL COVER
TERMINAL STUD
SCREW 3BTC 3X6B
SCREW 2BTC 3X6B
SCREW 3BTC 4X18Y
SCREW BM 3X6N
SCREW 2BTC 3X6B
NO
1
2
3
4
6
5
22
14
10
FOOT7
8
9
FAN12
11
13
18
15
16
17
20
19
21
26
STUD
BKT24
23
25
MAIN B'D
AC CORD27
28
29
30
S1
S2
S3
S4
S5
8545981010
048603995230
PART NUMBER
8545980910
61A0003500
6503986830
86A0002000
REMARKQ'TY
2
1
1
1
2
1 DOM.
17502088010
2828054320
8523997210
6735991210
85A0003500
6735991010
6503976210
7308998512
4003473840
4003473850
4003473830
6505968010
6505952110
4003473820
2818085200
046123497010
1
2
1
2
4
2
1
1
1
1
1
1
1
1
1
6503964710
6505939810
6535992610
4448598810
4003473800
4308987810
8575996540
6535995820
8109330063
8009130064
8109230063
8109340181
8109230063
1
4
1
4
1
1
1
DOM.
2
6
2
4
2
3
ASS'Y SCREW PM 4X18B
SCREW ASS'Y PM 4X8N
ASS'Y SCREW PM 4X18B
SCREW 3BTC 4X8B
SCREW WSAM 4X8B
SCREW WSAM 4X8B
SCREW 3BTC 3X6B
SCREW 2BTC 3X8B
SCREW BM 3X6N
SCREW BM 3X6N
SCREW 2BTC 4X8B
HEX MSPM 3X12Y
S13
S6
S7
S9
S8
S11
S10
S12
S17
S15
S14
S16
8159440083
8095996930
8109340083
8109230083
8095994710
8159440083
8109330063
8009130064
8009130064
8095996930
8109240083
8099130121
4
4
4
10
1
8
2
8
2
1
4
20
20
S14
22
1
1
S1
4
S1
S3
24
S7
5
S3
S7
6
7
S8
S9
S16
12
S13
S15
26
S16
S16
25
23
S13
S10
19
S11
21
27
16
S12
14
30
1529
S10
E±? OPTION
S17
1728
SCREW 2BTC 3X8B 8109230083 2S18
18
17
www.inter-m.comMADE IN KOREA
2009. 5
