Crest-CA12-pwr-sch维修电路原理图.pdf
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1、RadioFans.CN 收音机爱 好者资料库3097.SCH-1 - Fri Aug 29 15:32:24 2003RadioFans.CN 收音机爱 好者资料库3097.SCH-2 - Fri Aug 29 15:32:58 20038877665544332211DDCCBBAACURRENT LIMITERATTENUATOR DRIVEROUTPUT TO VRBALANCED INPUT/GAIN CH A- SIG IN+ SIG IN- SIG IN+ SIG INRETURN FROM VRTO MODULE AOUTPUT TO VRRETURN FROM VRTO MO
2、DULE BBALANCED INPUT/GAIN CH B+18V CH BSERVO/HIGH PASSSERVO/HIGH PASSSERVO SEND CH BSERVO SEND CH AVR GNDVR SEND BVR RET BVR SEND AVR RET AFBFBGNDATTENUATORCURRENT LIMITERATTENUATOR DRIVERCLIP DETECTORCLIP DETECTORCH A DRIVERTO DISPLAY PCBTO PWR SUPPLY-HI RLSTEREO/BRIDGE+HI RL+VA C-CLIP-IGM+IGM+CLIP
3、-VA BATT. VOLTAGEATT. VOLTAGEOTA CH BOTA CH A+VA BVR GND+LO RL-LO RLGND-VA CFBFBGNDCH B DRIVER-HI RL+HI RL+VA C-CLIP-IGM+IGM+CLIP-VA B+VA B+LO RL-LO RLGND-VA CR7-R9 IS BASED ON 700 WATTS 8 OHMSIGM VALUES WILL BE CONFIRMED AFTER PROTO BUILDNOT USEDNOT USEDPREAMP12.CACA12 PREAMPCREST AUDIO100 EISENHOW
4、ER DRIVEPARAMUS, NJ 07652D00Wednesday, May 17, 2000TitleSizeDocument NumberRevDate:Sheetof+HI RL+15.5V+15.5V+15.5V+15.5V+15.5V+15.5V+15.5V+15.5V+15.5VGNDOTA CH AOTA CH B-15.5V+15.5V+HI RL-20.5V+20.5V+20.5V+20.5V+20.5V+20.5V+15.5V-HI RL-15.5V-15.5V-15.5V-15.5V-15.5V-15.5V-15.5V-15.5VGNDOTA CH AOTA CH
5、 B-HI RL-20.5V-20.5V-20.5V-20.5V-20.5V+20.5VOTA CH AOTA CH BD1171N4148Q2062SC3645R1741.5K/1WD1161N4148Q2092SC3645R17911K/1%/1WQ2102SA1415C11722/35VC11633pF/500VR280576/1%R1648.25K/1%C2130.1/200VR17168.1/1%C2140.1/50VR16768.1/1%C2150.1/50VR16168.1/1%C2120.1/200VR1638.25K/1%R260576/1%R26168.1/1%D2141N
6、4148R26768.1/1%R25568.1/1%R1782.7KJ202CREST # ?1234567891011121314151617R253100KR15568.1/1%C21722/35VR2511MR15668.1/1%Z200MLL4752R15768.1/1%Q2072SA1415R1412K21/.1%R27647R23810KD200HER155D1211N4148R125243K/1%R24956K/3WR140825K/1%D2211N4148R240825K/1%Z201MLL4752R13810KC21822/35VR22810KR20220KD201HER15
7、5C20.1/25VR2412K21/.1%R27747J101CREST # ?1234567891011121314151617R351K/1%R2422K21/.1%R2741.5K/1WD2221N4148J3PHONEJACK STEREOR2751.5K/1WD2231N4148J4PHONEJACK STEREOR2442K29/0.1%C833pF/50VR2432K29/0.1%C733pF/50VR239825K/1%C150.1/25VR2541MC30.1/25VR252100KR13033.2K/.1%.5WR25668.1/1%R13133.2K/.1%.5WR13
8、233.2K/.1%.5WR19220KR13333.2K/.1%.5WSW1C&K TS01123R23033.2K/.1%.5W+-IC1ANJM5532M32184R23133.2K/.1%.5WR23233.2K/.1%.5WJ1NC3FD321Q111MMBT5551R23333.2K/.1%.5WJ2NC3FD321Q112MMBT5401D21N4148D61N4148D41N4148D2151N4148D81N4148R331K/1%C2122/35V+-IC203ALM339D312452R13220KIC4NE5517AD12345678910111213141516C20
9、0.22/16VC2222/35V+-IC203CLM339D8914R310K/1%C190.22/16VZ2MLL4732R225243K/1%+-IC203BLM339D671J8CA-20H-2B-S1234567891011121314151617181920R410K/1%Z1MLL4732R226243K/1%R510K/1%R610K/1%R2710KD31N4148D51N4148D71N4148+-IC203DLM339D101113C160.1/25VC9470pF/50VD1141N4148C10470pF/50VD191N4148R14220KD1151N4148R1
10、4956K/3WD201N4148D100HER155+-IC1BNJM5532M567D151N4148D161N4148R2210KD101HER155R1293.9KR12100KR2293.9K+-IC103ALM339D312452+-IC3BNJM5532M567C142.2/5%/63V+-IC103CLM339D8914R17747+-IC103BLM339D671C112.2/5%/63VC132.2/5%/63V+-IC103DLM339D101113+-IC3ANJM5532M32184R12810KR2847KR3247KR139825K/1%D1221N4148C12
11、2.2/5%/63VD1231N4148C10.1/25VR1432K29/0.1%D171N4148R1442K29/0.1%D181N4148C1140.1/50VC1150.1/50VR1422K21/.1%+-IC2BNJM5532M567R1511M+-IC2ANJM5532M32184R152100KC40.1/25VC11822/35VR1541MZ101MLL4752R11100KR153100KQ105MMBT5401R120576/1%R37576/1%Q205MMBT5401Q204MMBT5551R38576/1%R361K/1%Q104MMBT5551R1751.5K
12、/1WJ7A22-29-2031123R3110KR259576/1%J7B22-29-2031123R302.7KC1120.1/200VQ208BMMPQ6700R292.7KQ208CMMPQ6700R126243K/1%Q208DMMPQ6700R159576/1%C533pF/50VQ1062SC3645R26868.1/1%C633pF/50VQ1092SC3645R27268.1/1%R1048.7K/1%R110K/1%Q108BMMPQ6700C2100.001/50VR948.7K/1%R210K/1%R341K/1%Q108AMMPQ6700R25868.1/1%R242
13、.7KQ108CMMPQ6700R26268.1/1%+-IC5ANJM5532M32184R232.7KQ108DMMPQ6700D2171N4148+-IC5BNJM5532M567Q1102SA1415R2110KD2161N4148C1710/50VQ1072SA1415R27911K/1%/1WC1810/50VR17647C21633pF/500VC1130.1/200VR2648.25K/1%R160576/1%R27168.1/1%D11N4148R16868.1/1%R220576/1%R2638.25K/1%R17268.1/1%R2782.7KR848.7K/1%C110
14、0.001/50VR25768.1/1%R748.7K/1%R15868.1/1%Q211MMBT5551R16268.1/1%Q212MMBT5401Z100MLL4752R180576/1%Q208AMMPQ67008877665544332211DDCCBBAA-135V.+67V.21C0929CA-12 OUTPUT PCBCREST AUDIO150 Florence Ave.C01Wednesday, May 17, 2000Hawthorne, NJ. 07506TitleSizeDocument NumberRevDate:Sheetof+135V.OUT-67V.R1272
15、.2/1WR1252.2/1WC450.047/250VQ362SC3281Q352SA1302C37150pFR1621KR1611KC36150pFR944.7/1WR894.7/1WR90510R1422R91220C31330PFQ152SC2336BQR1092.2/1WC290.1/100VQ232SA1302R16410/1WC30100/6.3VR14351/0.5WD361N4148R14251/0.5WD371N4148Q222SC2336BQD35HER155R9713KR1172.2/1WC492.2/100VR1152.2/1WR1112.2/1WD45BYV79D4
16、4BYV79R9251/1W/2%C3547/16VR9351/1W/2%C3447/16VD34HER155D391N4004R102150/1WC39330PFC38330PFR103150/1WR9613KC281200pFR14610/1WVR2PTC15LB/250R14710/1WC460.047/250VQ17TIP117R9939KR1232.2/1WR9839KQ242SC3281Q262SC3281Q252SA1302R10010/1WQ282SC3281C48220/80VQ272SA1302C47220/80VR1132.2/1WC401.5/250VQ302SC328
17、1D30HER155Q322SC3281D28HER155Q342SC3281Q162SA1006BQQ292SA1302D29HER155Q312SA1302D40HER155Q332SA1302D41HER155Q192SA1006BQD42HER155Q202SC2336BQD43HER155R140390/5WR14910/1WR141390/5WD33HER155R137100/0.5WC330.0047/100VC320.0047/100VR1351KR12020K/1WR1333.9KR1592.2K/0.5WR1323.9KR1510.2/5WC422200pFR1530.2/
18、5WJ4-MPIGTAIL12345R1550.2/5WJ6-MPIGTAIL12R1570.2/5WJ5-FPIGTAIL12345R1500.2/5WJ1-MCUSTOM MOLEX1234567891011121314151617R1520.2/5WR1540.2/5WR101100/2WR1560.2/5WR10422/2WC411.5/250VD32HER155C4422/160VR14810/1WR136100/0.5WR11920K/1WZ81N5927CR1341KZ91N5927CR1582.2K/0.5WD381N4004J7PIGTAIL123IC5LM35DP132R1
19、220.33/5WR1652.2KR1240.33/5WR1260.33/5WR1100.33/5WR1120.33/5WR1140.33/5WR1280.33/5WR1160.33/5WR1300.33/5WR1180.33/5WR13810/1WQ212SA1006BQQ432SA1302Q412SA1302Q392SA1302Q372SA1302Q442SC3281Q422SC3281Q402SC3281Q382SC3281C502.2/100VR13910/1WR16310/1WC4322/160VR14551/0.5WR1292.2/1WR1312.2/1W8877665544332
20、211DDCCBBAA TEMP SENSOR OUT GROUND OTA CH BUNREGULATED 35V30VRLY OPEN MUTESPKR. RAIL CH. B TEMP SENSOR OUT GROUNDCLIPACTIVETEMP/DC30VRLY OPEN MUTE+27V+27V5.1V5.1V+22.4V-22.4V-16.8V+16.8VSIGNALSIGNALCLIPACTIVETO MODULE CH ATO MODULE CH B-15.5V-15.5VFAN CH AFAN CH BTRANS TEMPTEMP/DCLAST REF DES USED:N
21、OT USED REF DES:28V121513TO DISPLAY PCBSPKR. RAIL CH. BCH ACH BCA 9 150/25WCA 9 150/25WCA 6 100/25WCA 6 100/25WGROUNDTRANSFORMER TEMPOTA CH AGROUND(6.2V)(6.2V)-20.5V VERIFY-20.5V VERIFYCHART OF VALUESCA-6CA-9REF DESCA-12R51,R52100/25W150/25WBR1,BR2MB352WBR1,BR255-31C3,C4,C5,C6C7,C8,C9,C1017000/55V10
22、000/67V10000/67V15000/70V15000/70V175/25WMP14020WED2478R1,R2,R3,R4,R35,R36,R41,R42,R50,R62Z1,Z2J9C30,D20,J14,Q15,R74,Z19REV NOTE 2/14/94 CHANGED C21, C22 TO 10/50VREV NOTE 2/24/94 CHANGE Z17,Z18 FROM 1N5230 TO 1N5927REV NOTE 2/24/94 CHANGE C21,C22 FROM 10/50V TO 0.1/50VREV NOTE 2/24/94 CHANGE R65,R6
23、6 FROM 390K TO 430KREV NOTE 2/24/94 CHANGE 1C1,1C2 FROM LM393 TO LM358REV NOTE 2/24/94 CHANGE R35,R36 FROM 100R TO D19,D20 1N4001+20.5V VERIFY+20.5V VERIFYREV NOTE 2/24/94 DELETED R73, R74(24V)(24V)(REV 2 ONLY)(REV 2 ONLY)(REV 3 ONLY)(REV 3 ONLY)REV NOTE 2/28/94 REV 3 ONLY DELETE D17, D18 AND ADD Z1
24、,Z2Z17,Z18REV NOTE 3/28/94 CHANGED C21,C22 TO 1UF/50VREV NOTE 3/28/94 CHANGED Z17,Z18 TO R73,R74 2.4KREV NOTE 6/8/94 CHANGED C21, C22 FROM 1UF/50V TO 0.47UF/100VTO PREAMP21C1895XXCA SERIES POWER SUPPLYCREST AUDIO100 EISENHOWER DRIVEPARAMUS, NJ 07652C00Wednesday, May 17, 2000TitleSizeDocument NumberR
25、evDate:Sheetof+15.5V+20.5V-15.5V-20.5VOTA CH BGROUNDOTA CH ATEMP OUT CH ATEMP OUT CH BTEMP PWR CH BTEMP PWR CH A-15.5V-15.5VSIGNAL CH BCLIP CH BACTIVE CH B+27VLED GROUNDCLIP CH ASIGNAL CH AACTIVE CH ATEMP PWR CH BTEMP PWR CH ATEMP OUT CH ATEMP OUT CH BTEMP GND CH BTEMP GND CH ATEMP GND CH ATEMP GND
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