BGW-750D-pwr-sm维修电路原理图.pdf

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1、RadioFans.CN 收音机爱 好者资料库RadioFans.CN 收音机爱 好者资料库BRNBRNREDORGYELGRNBLUBLK14 AWGWHT14 AWG120V NEMA 5-15P14AWG - 3 COND. 5FT.BLKBLKWHT9008-2502 PCB ASSYRED16 AWG20000uF / 100v20000uF / 100vGRN14 AWGABCDEFBCASW102 - RSW102-LORGORGGROUNDEDSLOW SPEED9008-0764 FAN / GND ASSYP1P2CHS / GNDGRN 18 AWGBLK 16 AWGB

2、RN 22 AWGORG 22 AWGORG 22 AWGBRN 22 AWG1N40041N4004PWRCLIPCLIPPOWERONRIGHTLEFTTRUE CLIPDELY TURN-ON / FAST-OFF+16V6.4V0VBCAP4P5P6P7J4J5J6J7GNDNC NCP302J302ADBEFCJ301P301AC LINE VOLTAGEXFMRBRNREDORGYELGRNBLUFAN BRN-L1/ ORGCKT. BREAKER100VL 1 (3)L 2 (4)N / CL 2 (4)L 1 (3)N / CORG25 AN / CL 1 (3)20 AL

3、1 (3)120VORGN / CYELORGL 2 (4)L 1 (3)208V15AN / CN / CYELORGL 1 (3)220V10 AN / CORGL 1 (3)240VL 2 (4)YELREDREDORGN / CN / CN / CL 2 (4)L 2 (4)L 2 (4)10 APRIMARY WIRING CONNECTION CHART9008-0753B 750F DISPLAY BOARD MODULE(FOR 750G, 9008-0763 DISPLAY IS USED,SEE DRAWING 9600-0763 FOR DETAIL)3. SW1, R1

4、3, R23 ARE FRONT PANEL CONTROLS. SW701, SW702, SW703 ON REAR PANEL.2. ALL CAPACITORS IN uF / WORKING VOLTS.1. ON 9008-0753B PCB, ALL RESISTORS 1/4 W 5% CARBON FILM UNLESS NOTED OTHERWISE.4. J1 IS REAR PANEL BARRIER STRIP. J11, J12, J21, J22 ARE 5-WAY BINDING POSTS.5. TS1 IS INTERNAL THERMAL SWITCH I

5、N POWER TRANSFORMER T1.6. REFER TO PARTS LIST.7. FOR ACTIVE BALANCED INPUT MODULE DETAILS, REFER TO SCHMATIC 9008-0762.GRYGRY100 DEG C. N. C.321546891 171 0I/O CONNECTOR TO 1001-8010 AMP MODULECLIP LIMITN. C.SIGNAL GNDTURN-ON / FAST - OFFSIGNAL INPUTV- SUPPLYV- SUPPLYPOWER GNDV+ SUPPLYV+ SUPPLYOUTPU

6、TP102OUTPUTP101CDEFABHPFFLTLchRchHPFHPFI/O CONNECTOR TO 1001-8010 AMP MODULEV+ SUPPLYCLIP LIMITSIGNAL GNDOUTPUT68POWER GNDTURN-ON / FAST - OFF91 13P201V- SUPPLYSIGNAL INPUT104N. C.OUTPUTV- SUPPLY21P2027V+ SUPPLY5EFBDCAFECBDA9008-0762 ACTIVE BALANCEDINPUT MODULEP711J711N.C.N.C.N.C.UNBALINPUTBAL.INPUT

7、INPUTUNBALINPUTBAL.MODESWITCHESJ712P712J713P713N.C.N.C.R13R23LF. CH.LEVEL CONTROLRT. CH.LEVEL CONTROLLF. CH.OUTPUTRT. CH.OUTPUTGNDGNDDETENTEDDETENTEDBLKCLRCLRCLRSHCLRSHSHBLKBLKBLKCLRBLKCLRCLRBLK22AWG.CLR22AWG.2-COND.SHIELD22AWG. 2-COND. SHIELD2-COND. SHIELDRED 16 AWGRED 22 AWGRED 16 AWGRED 16 AWGRED

8、 16 AWGRED 22 AWGBLK 22 AWGBLK 12 AWGBLK 22 AWGWHT 16 AWGWHT 16 AWGWHT 22 AWGWHT 16 AWGWHT 16 AWG+86.3V-86.3VWHT16 AWGBLK20 AWGL1L2INPUT MODESWITCHINGSTEREODUAL MONOBRIDGE MONOBLK 22 AWGBRN 16 AWGBRN 16 AWGBLK 16 AWGBRN 22 AWGGRN 16 AWGBLK 16 AWGGRN 16 AWGGRN 22 AWGVIO 22 AWGYEL 22 AWGVIO 22 AWGYEL

9、22 AWGBRN 22 AWG9512-0760CHASSIS WIRING SCHEMATIC MODEL 750F / GC11TitleSizeDocument NumberRevDate:Sheet of BGW Systems, Inc.13130 Yukon Ave.Hawthorne, CA 90250+C30247uF 35VC110.1uF/500V22K LOGSW120A BREAKER+_25A/400VR30947KSW701+-IC301ALM339542312R30847K+-IC301BLM339761S2+-IC301CLM3399814S3T0900-90

10、00+-IC301DLM339111013SW703D308YEL55 DEG C. N.C.R310680R3011K120V 19W70 CFM FANR411680R311680J12REDR3024.7KR303200KR40647KJ22REDD306IN41484.7KR304+C13R3051KD307IN4148D305GRNC10.1uF/500V+C14C120.1uF/500VR307200KR407200KF3011.5AR1210K 2WD301D302D303R1110K 2W55 DEG C. N.C.D304D406IN4148+C301470uF 25VD40

11、7IN4148C4031uF 50VNPR30647KJ21BLKR40947K+-J11BLKR40847K22K LOG-+SW702R410680R1300 / 20WD409REDD408YELD309REDQ301A13C3031uF 50VNPTANTGRNGRNGRNYELGRNGRNGRNYELGRNGRNYELGRNGRNGRNGRNGRN51 dB DISPLAYRED10V1N751TANTGRNYELGRNGRNGRNREDGRNYELGRNGRNGRNGRNGRNYEL51 dB DISPLAYGRNGRNGRN35V4X1N4004D33635VACACD335TA

12、NTPOWER SUPPLYD334IDLE4.9V0.5WPOWER ONINDICATORS0.05V10VXFMR OVER TEMP0.5W15.0VINDICATORREDTURN-ON DELAY / TRANSFORMER OVER TEMP / IDLE BLINKINGGRN1N751TANTGRN9.7VTANT0 VDC OFFSET14.9V25V0.5WRED1/2WDC OFFSETINDICATORLEFTRIGHTREDREDREDREDCLIPPING INDICATORPOWER SUPPLY IMBALANCERED0.5WDC OFFSET0.5W14.

13、9VRED0 V25VINDICATORTANTDC OFFSET1/2W350A onlyJP400JP300350A onlyTURN-ON DC OUTPUTB-50V1N4740B+1N47405.0V+10V+1VCLOSE100 DEGNORMAL48dB-DisplayA48dB-DisplayC11Monday, September 22, 2003TitleSizeDocument NumberRevDate:Sheet of BGW Systems, Inc.13130 Yukon Ave.Hawthorne, CA 90250+16V+16VB (+5.0V)B (+5.

14、0V)B (+5.0V)B (+5.0V)B (+5.0V)+16V+16V+16V+16VR32310KD419D308D407Q3282N4401D303R30510KN.C.Q3022N4401R425100KD317Q4042N4401D316R-HIREF OUTREF ADJMODER-LOV-V+SIGNALIC401LM3915124987651011121314151617183D421R3300 OhmJ5D311D313R40610K+-IC303BTL074567+C30747uFR40710KR40910KR45422KR35322K+-IC305CLM3399814

15、D408R3451KR40510KD4261N4148R34147KJ6+C30410uF/50VD4271N4148D416J302ABCQ3032N4403+C4051uF/25V+C3051uF/25VD412R342100K+-IC304BLM358567R34047KQ4012N4403+C40810uFJP300-2D418R343100KJ7D330D314D420N.C.R30410K+C30947uF+-IC305DLM339111013D323+-IC303CTL0741098R42010KBR301680D324D312R35422KD415Q4032N4403R3201

16、0KR418820R4194.7KD306R3461KQ4022N4401R412820D3261N4148D307D310R3194.7KR4261KR3481KD320R416470R45322KQ3122N4401Q3052N4403R424240KR322180R318820R42310KR3473.9KD402+_D333Q3112N4401R3521MBR-HIREF OUTREF ADJMODER-LOV-V+SIGNALIC402LM3915124987651011121314151617183D321D413R33847KR35047.5K 0.5W+C3021000uFR3

17、511MR327680R3134.7KQ3012N4403Q3102N4403D3251N4148R42110KR31147.5KR32110KR3261K+-IC305ALM339542312D302R3371KQ4052N4403R40410KR31510KD41716V+-IC305BLM339761R41710KR34947.5K 0.5WR325100KR41410KN.C.R33610KBD409R353680JP300-1R30810K+C3081uF / 25VR31710K+C30810uFQ4072N4401R422180R41147.5KR3101.54KR3351K+-

18、IC303DTL074121314D403D401D322J301ABCDEFJP400-1R-HIREF OUTREF ADJMODER-LOV-V+SIGNALU12LM3915124987651011121314151617183R30710K+-IC303ATL074321411D428+C40410uF/50VD309R324240KR4101.54KD422JP400-2D301R401680R33910KR30310.0KR30610KQ3072N4401R-HIREF OUTREF ADJMODER-LOV-V+SIGNALU13LM3915124987651011121314

19、151617183Q3092N4403Q3042N4401F3011.5A (fast)R344680D305R31410KBR40310.0KR4134.7K+-IC304ALM35832148D404Q3062N4401R33110KR3321KD3271N4148D410N.C.R329200K+C31010uFR41510KR40011.8KD405J4D304R30910KR334680R30040.2KD411D318R3281KR40810K+C3011000uFR40240.2KD414R427680R30211.8KD439D406R316470D315R33310KQ4062N4401R312820D3291N4148