Crest-PRO4801-pwr-sch维修电路原理图.pdf
8877665544332211DDCCBBAA TURN ON DELAY/MUTEBALANCED INPUT/GAINSERVO/HIGH PASSCURRENT LIMITER SIGNAL DETECTORLIMIT DETECTORCLIP DETECTORAMPLIFIER FRONT END/IC POWER SUPPLYNOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601/600NOTE 2: 27K 2W ON MODELS 8001, 7001, CC601/600 3.3K 2W ON MODELS CV301/300, CC151/150 15K 2W ON MODELS CV301/300, CC151/150 20K 2W ON MODELS 6001, 4801, CC301/300 6.8K 2W ON MODELS 6001, 4801 5.6K 2W ON MODELS CC301/300NOTE 3: 1K 10W ON MODELS CC151/150, CV301/300 820 10W ON ALL OTHER MODELS2123001PREAMP/FRONT ENDCREST AUDIO150 Florence Ave.Hawthorne, NJ 07506C10Wednesday, May 17, 2000 TitleSizeDocument NumberRevDate:Sheetof VCC+VCC+VCC+VCC+VCC+VCC+VCC+VCC+VCC+VCC+VCC-VCC-VCC-VCC-VCC-VCC-VCC-VCC-VCC-C110.001uFR69NOTE 1R2110KR22180KR81NOTE 1R87NOTE 2R241K+-IC3 ARC4559N32184R88NOTE 2+-IC2 BRC4559N567+-IC4 ALM393N32184+-IC4 BLM393N567Z11N5353Z21N5353+-IC3 BRC4559N567Z61N5938D271N4148Z41N5938D71N4148D261N4148R184.7KQ152N5551C17470uFC14470uFC220.47uF 250VC230.1uFC15470uFR904.7KC18470uFC60.1uFQ142N5401Q72N5551Q82N5551Q52N5551Q62N5551Q132N5551R71100Q102N5401Q92N5401Q112N5401Q122N5401D24SF14D281N4148R892.7KR8511K 1% 1WR86549 1%D221N4148D231N4148R77100D25SF14C2730pFR581K 0.1%R571K 0.1%R56100K 0.1%R59100K 0.1%R601K 0.1%R611K 0.1%R54100K 0.1%R521KR2310KR7220KR35680KR32680KR25150KR9 D10K 0.2%C330pFR3330KR115KR210KR44.7KR622KR154.7KR65NOTE 3R66NOTE 3R74100R80100R8347R8447R471MR46100KR502.2KD31N4148R70511 1%Q32N5401R82511 1%Q42N5551R758.25K 1%C2100uF 35VR7868.1 1%D41N4148R768.25K 1%R7368.1 1%R2010KR7268.1 1%Q12N5551+-IC1 BLF353N567D211N4148R9 B10K 0.2%+-IC1 ALF353N32184C190.1uFR9 A10K 0.2%R16200K 1%R9 C10K 0.2%R1020K 1%D51N4148R264.7KD61N4148C82.2uF 5%D91N4148C430pFD81N4148R17100K 1%D101N4148R63100K 0.1%D111N4148C121/50VC131/50V+-IC2 ARC4559N32184R452.2KC50.1uFR2710KC92.2uF 5%R28549 1%R7968.1 1%OC1CLM501021546R3410KR62SELECTEDR3110KR55SELECTEDD131N4148J2-M12345678910111213D121N4148J3-M123456789101112131415R33100KJ1-F1234567891011121314151617R191KC260.47uF 250VRadioFans.CN 收音机爱 好者资料库RadioFans.CN 收音机爱 好者资料库8877665544332211DDCCBBAAABA2A3A1B2B3B+B-A+A-A2A2A3A3PARALLELBRIDGESTEREOB-B+PIN 3 HOT (+)PIN 3 HOT (+)21A10066001/4801/3301 INPUT PCB CREST AUDIOHAWTHORNE, NJ 07506A10Wednesday, May 17, 2000TitleSizeDocument NumberRevDate:SheetofSW1MSSA2350J512345678910111213J4OCTAL12345678J3OCTAL12345678J1NC3FD321J2NC3FD3218877665544332211DDCCBBAATEMP SENSOR +TEMP SENSOR OUTTEMP SENSOR GND.RELAY GROUNDRELAY GROUNDRELAY 2,4RELAY 1,3GROUNDSPKR. RAIL CH. BMUTE CH. BLIMIT CH. BCONTROL V. CH. BCLIP CH. BSIGNAL CH. B 44 V. OUT SIGNAL CH. A CLIP CH. A LIMIT CH. ACONTROL V. CH. ASPKR. RAIL CH. A MUTE CH. A TEMP SENSOR + TEMP SENSOR OUT GROUND GROUND GROUNDTRANSFORMER TEMPTRANSFORMER TEMP TEMP SENSOR GND27 V. INR40, R41 RESISTOR VALUESMODELVALUE48016001700184.5K 1/4W/1%73.2K 1/4W/1%60.4K 1/4W/1%4601330141.2K 1/4W/1%53.6K 1/4W/1%21C1095027-6-48-46-3301 DISPLAY W/NEXSYS CONTROLCREST AUDIO INC.150 Florence Ave.C10Wednesday, May 17, 2000Hawthorne, NJ 07506TitleSizeDocument NumberRevDate:Sheetof34 V. AC34 V. ACCENTER TAPR1410KR211KR221KR254.7KR264.7KR372.2KD31N4148C9470/25VD51N4148D71N4148D91N4148D21N4148D41N4148D61N4148D81N4148D111N4148D101N4148C7100/25VD131N4148C8100/25VD151N4148D171N4148D161N4148D141N4148LED 1CLIPC50.1/100VQ5MPSA75D181N4148D191N4148R2910KR3010KR28390R27390R38100KR39100KR23750/1%R24750/1%C11/50VC21/50VR35499/1%R36499/1%BR1RS202F13A/MINIC6470/50VC3470/6.3VD11N4004C4470/6.3VR52.7KR92.7KR102.7KR62.7KR182.7KR152.7KR172.7KR344.7KR334.7KR31390KR4233/2W/5%R205.1KR195.1KM626-48-1155123456789101112131415M526-48-1155123456789101112131415R162.7KLED 8ACTIVER32390KM1226-48-113612345678910111213R115K/5W+-IC1ALM614231413R125K/5W+-IC1BLM614657Z11N5927Z21N5927IC1ELM6148139LED 6TEMP/DCQ6MPSA75VR15KBQ22N5551VR25KB+-IC1DLM614151416LED 2CLIPM926-48-110212345678910LED 4SIGNALM726-48-1035123+-IC1CLM614111210LED 3SIGNALM826-48-1035123Q12N5551Q42N5551Q32N5551TR2MAC97ATR1MAC97ALED 5TEMP/DCLED 7ACTIVED121N4148R310KR410KR41SELECTEDR7100KR40SELECTEDR8100KR1310K8877665544332211DDCCBBAATEMP SENSOR +TEMP SENSOR OUTTEMP SENSOR GND.RELAY GROUNDRELAY GROUNDRELAY 2,4RELAY 1,3GROUNDSPKR. RAIL CH. BMUTE CH. BLIMIT CH. BCONTROL V. CH. BCLIP CH. BSIGNAL CH. B 44 V. OUT SIGNAL CH. A CLIP CH. A LIMIT CH. ACONTROL V. CH. ASPKR. RAIL CH. A MUTE CH. A TEMP SENSOR + TEMP SENSOR OUT GROUND GROUND GROUNDTRANSFORMER TEMPTRANSFORMER TEMP TEMP SENSOR GND27 V. IN*NOTEON 7001 R23, R24 WILL CHANGE TO 1K/1% WITH UL APPROVAL21C09487001/6001/4801 DISPLAYCREST AUDIO INC.150 Florence Ave.C10Wednesday, May 17, 2000Hawthorne, NJ 07506TitleSizeDocument NumberRevDate:Sheetof34 V. AC34 V. ACR144.7KR211KR221KR254.7KR264.7KR372.2KD31N4148D51N4148D71N4148D91N4148D21N4148D41N4148D61N4148D81N4148D111N4148D101N4148D131N4148D151N4148D171N4148D161N4148D141N4148LED 1CLIPC50.1/100VQ5MPSA75D181N4148D191N4148IC1 ELM6148139VR15KBVR25KB+-IC1ALM614231413R2910K+-IC1DLM614151416R3010K+-IC1CLM614111210R28390R27390R38100KR39100KR23750/1%R24750/1%C11/50VC21/50VR35499/1%R36499/1%BR1RS202F13A/MINIC6470/50VC3470/6.3VC4470/6.3VR52.7KR92.7KR102.7KR62.7KR182.7KR152.7KR172.7KR344.7KR334.7KR31390K+-IC1 BLM614657M726-48-1035123M826-48-1035123R207.5KR197.5KM626-48-1155123456789101112131415M526-48-1155123456789101112131415R162.7KLED 8ACTIVER32390KR115K/5WR125K/5WZ11N5927Z21N5927LED 6TEMP/DCQ6MPSA75Q22N5551LED 2CLIPLED 4SIGNALLED 3SIGNALQ12N5551Q42N5551Q32N5551TR2MAC97ATR1MAC97ALED 5TEMP/DCLED 7ACTIVED121N4148R310KR410KR7100KR8100KR134.7K8877665544332211DDCCBBAATEMP SENSOR +TEMP SENSOR OUTTEMP SENSOR GND.RELAY GROUNDRELAY GROUNDRELAY 2,4RELAY 1,3GROUNDSPKR. RAIL CH. BMUTE CH. BLIMIT CH. BCONTROL V. CH. BCLIP CH. BSIGNAL CH. B 44 V. OUT SIGNAL CH. A CLIP CH. A LIMIT CH. ACONTROL V. CH. ASPKR. RAIL CH. A MUTE CH. A TEMP SENSOR + TEMP SENSOR OUT GROUND GROUND GROUNDTRANSFORMER TEMPTRANSFORMER TEMP TEMP SENSOR GND27 V. INR40, R41 RESISTOR VALUESMODELVALUE48016001700184.5K 1/4W/1%73.2K 1/4W/1%60.4K 1/4W/1%NOTE 1:NOTE 2:NOTE 2:NOTE 2: R3, R4 NOT INSTALLEDRESERVED FOR FUTURE USENOTE 3: R52 USED FOR FIXED SIGNAL PRESENSE THRESHOLD21C122902MA5850 DISPLAY WITH NEXUS CONTROLCREST AUDIO INC.150 Florence Ave.C10Friday, May 19, 2000Hawthorne, NJ 07506TitleSizeDocument NumberRevDate:Sheetof34 V. AC34 V. AC17 V. ACR1410KR211KR221KR254.7KR264.7KR372.2KD31N4148D51N4148D71N4148D91N4148D21N4148D41N4148D81N4148D111N4148D101N4148C7100/25VD131N4148C8100/25VD151N4148D171N4148D11N4004D161N4148Q1PMBT5551D141N4148LED 1CLIPC50.1/100VD61N4148Q5MPSA75BR1RS202D181N4148F13A/MINID191N4148LED 3SIGNALC6470/50VR52.7KR4210K+-IC2ALM393M32184R2910KR4610K/1WR3010KC102.2/100VR28390R472.2K/1WR27390R38100KR39100KR4310KR23750/1%+-IC2BLM393M567R24750/1%C11/50VC21/50VR4810K/1WR35499/1%R492.2K/1WR36499/1%C112.2/100VR52NOTE 3R4545.3/1%VR3250C3470/6.3VR44499/1%C4470/6.3VR532.2KR92.7KR5433R/5WR102.7KR62.7KR182.7KR152.7KVR15KBR172.7KVR25KBR344.7KM726-48-1035123R334.7KM826-48-1035123R31390KM926-48-110212345678910R205.1KR195.1KM626-48-1155123456789101112131415M526-48-1155123456789101112131415R162.7KLED 8ACTIVEM1226-48-113612345678910111213R32390KR115K/5W+-IC1ALM614M231413R125K/5W+-IC1BLM614M657Z11N5927Z21N5927IC1ELM614M8139C9470/16VLED 6TEMP/DCQ6MPSA75Q2PMBT5551LED 2CLIP+-IC1CLM614M111210LED 4SIGNAL+-IC1DLM614M151416Q4PMBT5551Q3PMBT5551TR2MAC97ATR1MAC97AZ31N5913BLED 5TEMP/DCR502.2KLED 7ACTIVEZ41N5913AD121N4148R310KR410KR41NOTE 1:R7100KR8100KR40NOTE 1:R1310K8877665544332211DDCCBBAABALANCED INPUT/GAINSERVO/HIGH PASSI.G.M. DETECTOR SIGNAL DETECTORCLIP DETECTORAMPLIFIER FRONT END/IC POWER SUPPLY 6.8K 2W ON MODELS 6001, 4801 5.6K 2W ON MODELS CC301/300TURN ON DELAYATTENUATION/MUTEATTENUATOR DRIVERNOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601 20K 2W ON MODELS 6001, 4801, CC301 560 10W ON MODELS CC301NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLYSIGNALCLIPCONTROLSPEAKERSPEAKERLIMITMUTE4.3K 2W ON MODEL 460116K 2W ON MODEL 46011.1K 10W ON MODEL 4601 3.3K 2W ON MODELS CV301, CC151, 3301 15K 2W ON MODELS CV301, CC151, 33011K 10W ON MODELS CV301, CC151, 3301 560 10W ON MODELS CC301 620 10W ON MODEL 6001 560 10W ON MODELS 4801, MA5850 680 10W ON MODEL 70011.1K 10W ON MODEL 4601NOTE 3: 750 10W ON MODELS 8001, CV6011K 10W ON MODELS CV301, 3301360 10W ON MODEL CC151PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 NOTE 5:REV NOTES 7/15/93(1) DELETE R12(NEW)(NEW)(NEW)(NEW)(NEW)NOTE 4: R82, D20, VR1 ARE USED ON MODEL MA5850 ONLY21C1124-0202PRO-LINE PREAMP/FRONT ENDCREST AUDIO INC.150 Florence Ave.Hawthorne, NJ 07506C11Friday, May 19, 2000 TitleSizeDocument NumberRevDate:SheetofVCC+VCC+VCC+VCC+VCC+VCC+VCC+VCC+VCC-VCC-VCC-VCC-VCC-VCC-VCC-VCC-VCC-C100.001/50VR5010KR3322KR42100KR69NOTE 1C1100/35VC231nFR70NOTE 1R76NOTE 2R272.2KR77NOTE 2Z11N5353Z21N5353Z41N5938C5470pFR91KZ31N5938D141N4148R710KD121N4148R10100KD151N4148R422KQ42N5551D31N4148C14470uFC247/35VC16470uFC180.47/250VR810KC210.1uFC17470uFC15470uFC70.1/50VQ152N5401IC4NE5517AN12345678910111213141516Q1AMPQ6700+-IC1ANE5532AN32184Q1BMPQ6700+-IC1BNE5532AN567Q62N5551Q102N5551R314.7KQ142N5551R57100Q1DMPQ6700Q1CMPQ6700Q72N5401Q112N5401R3747KD18SF14R362.7KR782.7KR321.5K/1%R82NOTE 4R7911K/1%/1WR35750/1%R34499/1%D20NOTE 4R80576/1%D161N4148D171N4148R58100D19SF14C2230pF+-IC2BRC4559567D211N4148R1122KQ32N5401D21N4148R492.2KR2810KR8110KR292.7KD131N4148R24680KR3047KR25680KC1310/35VR16150KSIP1D10K/0.2%C430pFR2330KR115KR310KR54.7KR610KR1410K/1%R65NOTE 3R1510K/1%R66NOTE 3+-IC2ARC455932184R71100R72100R7447R7547R511MR52100KR562.2KQ52N5401R59511/1%R53100KD11N4148Q12N5401R60511/1%R541MQ22N5551R638.25K/1%R552.2KR6268.1/1%R648.25K/1%R6768.1/1%R6168.1/1%Q122N5551SIP1B10K/0.2%Q82N5551C200.1uFR45100/1%SIP1A10K/0.2%R43100/1%SIP1C10K/0.2%R44SELECTD41N4148R174.7KD61N4148C92.2/5%/100VC630pFD51N4148D231N4004D71N4148D221N4004R13220KR47SELECTD81N4148R46SELECTC111/50VD91N4148Z5SELECTC121/50VZ6SELECTR182.2KC30.1/50VQ92N5401R1910KC82.2/5%/100VR4047KR6868.1/1%R20576/1%R41100KVR1NOTE 4R39100KR2210KR2310KR3847KJ2-M26-48-113512345678910111213D111N4148J3-M26-48-1155123456789101112131415D101N4148R21100KJ1-F09-52-31721234567891011121314151617+-1C3ALM39332184C190.47/250VR261K+-IC3BLM3935678877665544332211DDCCBBAABALANCED INPUT/GAINSERVO/HIGH PASSI.G.M. DETECTOR SIGNAL DETECTORCLIP DETECTORAMPLIFIER FRONT END/IC POWER SUPPLY 6.8K 2W ON MODELS 6001, 4801 5.6K 2W ON MODELS CC301/300TURN ON DELAYATTENUATION/MUTEATTENUATOR DRIVERNOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601 20K 2W ON MODELS 6001, 4801, CC301 560 10W ON MODELS CC301NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLYSIGNALCLIPCONTROLSPEAKERSPEAKERLIMITMUTE4.3K 2W ON MODEL 460116K 2W ON MODEL 46011.1K 10W ON MODEL 4601 3.3K 2W ON MODELS CV301, CC151, 3301 15K 2W ON MODELS CV301, CC151, 33011K 10W ON MODELS CV301, CC151, 3301 560 10W ON MODELS CC301 620 10W ON MODEL 6001 560 10W ON MODELS 4801, MA5850 680 10W ON MODEL 70011.1K 10W ON MODEL 4601NOTE 3: 750 10W ON MODELS 8001, CV6011K 10W ON MODELS CV301, 3301360 10W ON MODEL CC151PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 NOTE 5:REV NOTES 7/15/93(1) DELETE R12(NEW)(NEW)(NEW)(NEW)(NEW)NOTE 4: R82, D20, VR1 ARE USED ON MODEL MA5850 ONLY21C1124-0202PRO-LINE PREAMP/FRONT ENDCREST AUDIO INC.150 Florence Ave.Hawthorne, NJ 07506C11Wednesday, May 17, 2000 TitleSizeDocument NumberRevDate:SheetofVCC+VCC+VCC+VCC+VCC+VCC+VCC+VCC+VCC-VCC-VCC-VCC-VCC-VCC-VCC-VCC-VCC-C100.001/50VR5010KR3322KR42100KR69NOTE 1C1100/35VC231nFR70NOTE 1R76NOTE 2R272.2KR77NOTE 2Z11N5353Z21N5353Z41N5938C5470pFR91KZ31N5938D141N4148R710KD121N4148R10100KD151N4148R422KQ42N5551D31N4148C14470uFC247/35VC16470uFC180.47/250VR810KC210.1uFC17470uFC15470uFC70.1/50VQ152N5401IC4NE5517AN12345678910111213141516Q1AMPQ6700+-IC1ANE5532AN32184Q1BMPQ6700+-IC1BNE5532AN567Q62N5551Q102N5551R314.7KQ142N5551R57100Q1DMPQ6700Q1CMPQ6700Q72N5401Q112N5401R3747KD18SF14R362.7KR782.7KR321.5K/1%R82NOTE 4R7911K/1%/1WR35750/1%R34499/1%D20NOTE 4R80576/1%D161N4148D171N4148R58100D19SF14C2230pF+-IC2BRC4559567D211N4148R1122KQ32N5401D21N4148R492.2KR2810KR8110KR292.7KD131N4148R24680KR3047KR25680KC1310/35VR16150KSIP1D10K/0.2%C430pFR2330KR115KR310KR54.7KR610KR1410K/1%R65NOTE 3R1510K/1%R66NOTE 3+-IC2ARC455932184R71100R72100R7447R7547R511MR52100KR562.2KQ52N5401R59511/1%R53100KD11N4148Q12N5401R60511/1%R541MQ22N5551R638.25K/1%R552.2KR6268.1/1%R648.25K/1%R6768.1/1%R6168.1/1%Q122N5551SIP1B10K/0.2%Q82N5551C200.1uFR45100/1%SIP1A10K/0.2%R43100/1%SIP1C10K/0.2%R44SELECTD41N4148R174.7KD61N4148C92.2/5%/100VC630pFD51N4148D231N4004D71N4148D221N4004R13220KR47SELECTD81N4148R46SELECTC111/50VD91N4148Z5SELECTC121/50VZ6SELECTR182.2KC30.1/50VQ92N5401R1910KC82.2/5%/100VR4047KR6868.1/1%R20576/1%R41100KVR1NOTE 4R39100KR2210KR2310KR3847KJ2-M26-48-113512345678910111213D111N4148J3-M26-48-1155123456789101112131415D101N4148R21100KJ1-F09-52-31721234567891011121314151617+-1C3ALM39332184C190.47/250VR261K+-IC3BLM3935678877665544332211DDCCBBAATEMP SENSOR +TEMP SENSOR OUTTEMP SENSOR GND.RELAY GROUNDRELAY GROUNDRELAY 2,4RELAY 1,3GROUNDSPKR. RAIL CH. BMUTE CH. BLIMIT CH. BCONTROL V. CH. BCLIP CH. BSIGNAL CH. B 44 V. OUT SIGNAL CH. A CLIP CH. A LIMIT CH. ACONTROL V. CH. ASPKR. RAIL CH. A MUTE CH. A TEMP SENSOR + TEMP SENSOR OUT GROUND GROUND GROUNDTRANSFORMER TEMPTRANSFORMER TEMP TEMP SENSOR GND27 V. IN11C10957001/6001/4801 DISPLAY W/COMPUTER CONTROLCREST AUDIO INC.150 Florence Ave.C10Friday, May 19, 2000Hawthorne, NJ 07506TitleSizeDocument NumberRevDate:Sheetof34 V. AC34 V. ACCENTER TAPR1410KR211KR221KR254.7KR264.7KR372.2KD31N4148D51N4148D71N4148D91N4148D21N4148D41N4148D61N4148D81N4148D111N4148D101N4148C7100/25VD131N4148C8100/25VD151N4148D171N4148D161N4148D141N4148LED 1CLIPC50.1/100VQ5MPSA75D181N4148D191N4148VR15KBVR25KBR2910KR3010KR28390R27390R38100KR39100KR23750/1%R24750/1%C11/50VC21/50VR35499/1%R36499/1%BR1RS202F13A/MINIC6470/50VC3470/6.3VD1001N4004C4470/6.3VR51.2KR92.7KR102.7KR61.2KR182.7KR152.7KR172.7KR344.7KR334.7KR31390KM726-48-1035123M826-48-1035123R207.5KR197.5KM626-48-1155123456789101112131415M526-48-1155123456789101112131415R162.7KLED 8ACTIVER32390KM1226-48-113612345678910111213R115K/5W+-IC1ALM614231413R125K/5W+-IC1BLM614657Z11N5927Z21N5927IC1ELM6148139R10056/5W/5%Z1001N5346M926-48-1036123C9470/16VLED 6TEMP/DCM1126-48-1036123M1026-48-102612Q6MPSA75Q22N5551+-IC1DLM614151416LED 2CLIP+-IC1CLM614111210LED 4SIGNALLED 3SIGNALQ12N5551Q42N5551Q32N5551TR2MAC97ATR1MAC97ALED 5TEMP/DCLED 7ACTIVED121N4148R333KR41SELECTEDR433KR7100KR40SELECTEDR8100KR1310K8877665544332211DDCCBBAABALANCED INPUT/GAINSERVO/HIGH PASSCURRENT LIMITER SIGNAL DETECTORCLIP DETECTORAMPLIFIER FRONT END/IC POWER SUPPLY 6.8K 2W ON MODELS 6001, 4801 5.6K 2W ON MODELS CC301/300TURN ON DELAYATTENUATION/MUTEATTENUATOR DRIVERNOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601 20K 2W ON MODELS 6001, 4801, CC301 560 10W ON MODELS CC301NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLYSIGNALCLIPCONTROLSPEAKERSPEAKERLIMITMUTE4.3K 2W ON MODEL 460116K 2W ON MODEL 46011.1K 10W ON MODEL 4601 3.3K 2W ON MODELS CV301, CC151, 3301 15K 2W ON MODELS CV301, CC151, 33011K 10W ON MODELS CV301, CC151, 3301 560