Crest-CA12-pwr-sch维修电路原理图.pdf

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Crest-CA12-pwr-sch维修电路原理图.pdf

RadioFans.CN 收音机爱好者资料库 3097.SCH-1 - Fri Aug 29 15:32:24 2003 RadioFans.CN 收音机爱好者资料库 3097.SCH-2 - Fri Aug 29 15:32:58 2003 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA CURRENT LIMITER ATTENUATOR DRIVER OUTPUT TO VR BALANCED INPUT/GAIN CH A - SIG IN + SIG IN - SIG IN + SIG IN RETURN FROM VR TO MODULE A OUTPUT TO VR RETURN FROM VR TO MODULE B BALANCED INPUT/GAIN CH B +18V CH B SERVO/HIGH PASS SERVO/HIGH PASS SERVO SEND CH B SERVO SEND CH A VR GND VR SEND B VR RET B VR SEND A VR RET A FB FB GND ATTENUATOR CURRENT LIMITER ATTENUATOR DRIVER CLIP DETECTOR CLIP DETECTORCH A DRIVER TO DISPLAY PCB TO PWR SUPPLY -HI RL STEREO/BRIDGE +HI RL +VA C -CLIP -IGM +IGM +CLIP -VA B ATT. VOLTAGE ATT. VOLTAGE OTA CH B OTA CH A +VA B VR GND +LO RL -LO RL GND -VA C FB FB GND CH B DRIVER -HI RL +HI RL +VA C -CLIP -IGM +IGM +CLIP -VA B +VA B +LO RL -LO RL GND -VA C R7-R9 IS BASED ON 700 WATTS 8 OHMS IGM VALUES WILL BE CONFIRMED AFTER PROTO BUILD NOT USED NOT USED PREAMP12.CA CA12 PREAMP CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 D 00Wednesday, May 17, 2000 Title SizeDocument NumberRev Date:Sheetof +HI RL +15.5V +15.5V +15.5V +15.5V +15.5V +15.5V +15.5V +15.5V +15.5V GND OTA CH A OTA 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 -15.5V GND OTA CH A OTA CH B -HI RL -20.5V -20.5V -20.5V -20.5V -20.5V +20.5V OTA CH A OTA CH B D117 1N4148 Q206 2SC3645 R174 1.5K/1W D116 1N4148 Q209 2SC3645 R179 11K/1%/1W Q210 2SA1415 C117 22/35V C116 33pF/500V R280 576/1% R164 8.25K/1% C213 0.1/200V R171 68.1/1% C214 0.1/50V R167 68.1/1% C215 0.1/50V R161 68.1/1% C212 0.1/200V R163 8.25K/1% R260 576/1% R261 68.1/1% D214 1N4148 R267 68.1/1% R255 68.1/1% R178 2.7K J202 CREST # ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 R253 100K R155 68.1/1% C217 22/35V R251 1M R156 68.1/1% Z200MLL4752 R157 68.1/1% Q207 2SA1415 R141 2K21/.1% R276 47 R238 10K D200 HER155 D121 1N4148 R125 243K/1% R249 56K/3W R140 825K/1% D221 1N4148 R240 825K/1% Z201MLL4752 R138 10K C218 22/35V R228 10K R20 220K D201 HER155 C2 0.1/25V R241 2K21/.1% R277 47 J101 CREST # ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 R35 1K/1% R242 2K21/.1% R274 1.5K/1W D222 1N4148 J3 PHONEJACK STEREO R275 1.5K/1W D223 1N4148 J4 PHONEJACK STEREO R244 2K29/0.1% C8 33pF/50V R243 2K29/0.1% C7 33pF/50V R239 825K/1% C15 0.1/25V R254 1M C3 0.1/25V R252 100K R130 33.2K/.1%.5W R256 68.1/1% R131 33.2K/.1%.5W R132 33.2K/.1%.5W R19 220K R133 33.2K/.1%.5W SW1 C&K TS01 1 2 3 R230 33.2K/.1%.5W + - IC1A NJM5532M 3 2 1 84 R231 33.2K/.1%.5W R232 33.2K/.1%.5W J1 NC3FD 3 21 Q111 MMBT5551 R233 33.2K/.1%.5W J2 NC3FD 3 21 Q112 MMBT5401 D2 1N4148 D6 1N4148 D4 1N4148 D215 1N4148 D8 1N4148 R33 1K/1% C21 22/35V + - IC203A LM339D 312 4 5 2 R13 220K IC4 NE5517AD 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 C20 0.22/16V C22 22/35V + - IC203C LM339D 8 9 14 R3 10K/1% C19 0.22/16V Z2 MLL4732 R225 243K/1% + - IC203B LM339D6 7 1 J8 CA-20H-2B-S 12 34 56 78 910 1112 1314 1516 1718 1920 R4 10K/1% Z1 MLL4732 R226 243K/1% R5 10K/1% R6 10K/1% R27 10K D3 1N4148 D5 1N4148 D7 1N4148 + - IC203D LM339D 10 11 13 C16 0.1/25V C9 470pF/50V D114 1N4148 C10 470pF/50V D19 1N4148 R14 220K D115 1N4148 R149 56K/3W D20 1N4148 D100 HER155 + - IC1B NJM5532M 5 6 7 D15 1N4148 D16 1N4148 R22 10K D101 HER155 R129 3.9K R12 100K R229 3.9K + - IC103A LM339D 312 4 5 2 + - IC3B NJM5532M 5 6 7 C14 2.2/5%/63V + - IC103C LM339D 8 9 14 R177 47 + - IC103B LM339D 6 7 1 C11 2.2/5%/63V C13 2.2/5%/63V + - IC103D LM339D 10 11 13 + - IC3A NJM5532M 3 2 1 84 R128 10K R28 47K R32 47K R139 825K/1% D122 1N4148 C12 2.2/5%/63V D123 1N4148 C1 0.1/25V R143 2K29/0.1% D17 1N4148 R144 2K29/0.1% D18 1N4148 C114 0.1/50V C115 0.1/50V R142 2K21/.1% + - IC2B NJM5532M 5 6 7 R151 1M + - IC2A NJM5532M 3 2 1 84 R152 100K C4 0.1/25V C118 22/35V R154 1M Z101MLL4752 R11 100K R153 100K Q105 MMBT5401 R120 576/1% R37 576/1% Q205 MMBT5401 Q204 MMBT5551 R38 576/1% R36 1K/1% Q104 MMBT5551 R175 1.5K/1W J7A 22-29-2031 1 2 3 R31 10K R259 576/1% J7B 22-29-2031 1 2 3 R30 2.7K C112 0.1/200V Q208B MMPQ6700 R29 2.7K Q208C MMPQ6700 R126 243K/1% Q208D MMPQ6700 R159 576/1% C5 33pF/50V Q106 2SC3645 R268 68.1/1% C6 33pF/50V Q109 2SC3645 R272 68.1/1% R10 48.7K/1% R1 10K/1% Q108B MMPQ6700 C2100.001/50V R9 48.7K/1% R2 10K/1% R34 1K/1% Q108A MMPQ6700 R258 68.1/1% R242.7K Q108C MMPQ6700 R262 68.1/1% + - IC5A NJM5532M 3 2 1 84 R23 2.7K Q108D MMPQ6700 D217 1N4148 + - IC5B NJM5532M 5 6 7 Q110 2SA1415 R21 10K D216 1N4148 C17 10/50V Q107 2SA1415 R279 11K/1%/1W C18 10/50V R176 47 C216 33pF/500V C113 0.1/200V R264 8.25K/1% R160 576/1% R271 68.1/1% D1 1N4148 R168 68.1/1% R220 576/1% R263 8.25K/1% R172 68.1/1% R278 2.7K R8 48.7K/1% C1100.001/50V R257 68.1/1% R7 48.7K/1% R158 68.1/1% Q211 MMBT5551 R162 68.1/1% Q212 MMBT5401 Z100MLL4752 R180 576/1% Q208A MMPQ6700 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA -135V. +67V. 21C0929 CA-12 OUTPUT PCB CREST AUDIO 150 Florence Ave. C 01Wednesday, May 17, 2000 Hawthorne, NJ. 07506 Title SizeDocument NumberRev Date:Sheetof +135V. OUT -67V. R127 2.2/1W R125 2.2/1W C45 0.047/250V Q36 2SC3281 Q35 2SA1302 C37 150pF R162 1K R161 1K C36 150pF R94 4.7/1W R89 4.7/1W R90 510 R14 22 R91 220 C31 330PF Q15 2SC2336BQ R109 2.2/1W C29 0.1/100V Q23 2SA1302 R164 10/1W C30 100/6.3V R143 51/0.5W D36 1N4148 R142 51/0.5W D37 1N4148 Q22 2SC2336BQ D35 HER155 R9713K R117 2.2/1W C49 2.2/100V R115 2.2/1W R111 2.2/1W D45 BYV79 D44 BYV79 R92 51/1W/2% C35 47/16V R93 51/1W/2% C34 47/16V D34 HER155 D39 1N4004 R102 150/1W C39 330PF C38 330PF R103 150/1W R9613K C28 1200pF R146 10/1W VR2 PTC15LB/250 R147 10/1W C46 0.047/250V Q17 TIP117 R99 39K R123 2.2/1W R98 39K Q24 2SC3281 Q26 2SC3281 Q25 2SA1302 R100 10/1W Q28 2SC3281 C48 220/80V Q27 2SA1302 C47 220/80V R113 2.2/1W C40 1.5/250V Q30 2SC3281 D30 HER155 Q32 2SC3281 D28 HER155 Q34 2SC3281 Q16 2SA1006BQ Q29 2SA1302 D29 HER155 Q31 2SA1302 D40 HER155 Q33 2SA1302 D41HER155 Q19 2SA1006BQ D42 HER155 Q20 2SC2336BQ D43 HER155 R140 390/5W R149 10/1W R141 390/5W D33 HER155 R137 100/0.5W C33 0.0047/100V C32 0.0047/100V R135 1K R120 20K/1W R133 3.9K R159 2.2K/0.5W R132 3.9K R151 0.2/5W C422200pF R153 0.2/5W J4-M PIGTAIL 1 2 3 4 5 R155 0.2/5W J6-M PIGTAIL 1 2 R157 0.2/5W J5-F PIGTAIL 1 2 3 4 5 R150 0.2/5W J1-M CUSTOM MOLEX 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 R152 0.2/5W R154 0.2/5W R101 100/2W R156 0.2/5W R104 22/2W C41 1.5/250V D32 HER155 C44 22/160V R148 10/1W R136 100/0.5W R119 20K/1W Z8 1N5927C R134 1K Z9 1N5927C R158 2.2K/0.5W D38 1N4004 J7 PIGTAIL 1 2 3 IC5 LM35DP 1 32 R122 0.33/5W R165 2.2K R124 0.33/5W R126 0.33/5W R110 0.33/5W R112 0.33/5W R114 0.33/5W R128 0.33/5W R116 0.33/5W R130 0.33/5W R118 0.33/5W R138 10/1W Q21 2SA1006BQ Q43 2SA1302 Q41 2SA1302 Q39 2SA1302 Q37 2SA1302 Q44 2SC3281 Q42 2SC3281 Q40 2SC3281 Q38 2SC3281 C50 2.2/100V R139 10/1W R163 10/1W C43 22/160V R145 51/0.5W R129 2.2/1W R131 2.2/1W 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA TEMP SENSOR OUT GROUND OTA CH B UNREGULATED 35V 30V RLY OPEN MUTE SPKR. RAIL CH. B TEMP SENSOR OUT GROUND CLIP ACTIVE TEMP/DC 30V RLY OPEN MUTE +27V +27V 5.1V 5.1V +22.4V -22.4V -16.8V +16.8V SIGNAL SIGNAL CLIP ACTIVE TO MODULE CH A TO MODULE CH B -15.5V-15.5V FAN CH A FAN CH B TRANS TEMP TEMP/DC LAST REF DES USED: NOT USED REF DES: 28V 1 2 15 13 TO DISPLAY PCB SPKR. RAIL CH. B CH ACH B CA 9 150/25W CA 9 150/25W CA 6 100/25W CA 6 100/25W GROUND TRANSFORMER TEMP OTA CH A GROUND (6.2V)(6.2V) -20.5V VERIFY-20.5V VERIFY CHART OF VALUES CA-6CA-9REF DESCA-12 R51,R52100/25W150/25W BR1,BR2MB352W BR1,BR255-31 C3,C4,C5,C6 C7,C8,C9,C10 17000/55V10000/67V 10000/67V 15000/70V 15000/70V 175/25W MP14020WED2478 R1,R2,R3,R4,R35,R36,R41,R42,R50,R62 Z1,Z2J9 C30,D20,J14,Q15,R74,Z19 REV NOTE 2/14/94 CHANGED C21, C22 TO 10/50V REV NOTE 2/24/94 CHANGE Z17,Z18 FROM 1N5230 TO 1N5927 REV NOTE 2/24/94 CHANGE C21,C22 FROM 10/50V TO 0.1/50V REV NOTE 2/24/94 CHANGE R65,R66 FROM 390K TO 430K REV NOTE 2/24/94 CHANGE 1C1,1C2 FROM LM393 TO LM358 REV NOTE 2/24/94 CHANGE R35,R36 FROM 100R TO D19,D20 1N4001 +20.5V VERIFY+20.5V VERIFY REV 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,Z2 Z17,Z18 REV NOTE 3/28/94 CHANGED C21,C22 TO 1UF/50V REV NOTE 3/28/94 CHANGED Z17,Z18 TO R73,R74 2.4K REV NOTE 6/8/94 CHANGED C21, C22 FROM 1UF/50V TO 0.47UF/100V TO PREAMP 21C1895 XX CA SERIES POWER SUPPLY CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 C 00Wednesday, May 17, 2000 Title SizeDocument NumberRev Date:Sheetof +15.5V +20.5V -15.5V -20.5V OTA CH B GROUND OTA CH A TEMP OUT CH ATEMP OUT CH B TEMP PWR CH BTEMP PWR CH A -15.5V-15.5V SIGNAL CH B CLIP CH B ACTIVE CH B +27V LED GROUND CLIP CH A SIGNAL CH A ACTIVE CH A TEMP PWR CH B TEMP PWR CH A TEMP OUT CH A TEMP OUT CH B TEMP GND CH B TEMP GND CH A TEMP GND CH A TEMP GND CH B +27V SIGNAL CH B CLIP CH B ACTIVE CH B GROUND CH A INCH B IN +20.5V+20.5V -20.5V-20.5V OUT B OUT A OTA CH A OTA CH B SIGNAL CH A CLIP CH A ACTIVE CH A LED GROUND INRUSH INRUSH CH A IN CH B IN D6 1N4148 R25 4K7 R6 10K R61 100K R8 10K D2 1N4148 D9 1N4148 R63 10K Q11 MPSA75 R57 10K R12 100K R9 10K R20 100K R27 3K9 C2 470/6.3/ELRM J2 CA-20HM-2F-S 12 34 56 78 910 1112 1314 1516 1718 1920 Q12 MPSA75 R33 47K Q1 2N5551 D4 1N4148 R47 2K2 R17 100K R18 100K R10 10K R29 10K R22 5K0/5 Q2 2N5551 Z4 1N5242 Z5 1N4713 R16 33K R21 5K0/5 Z8 1N821 J4 24-165 1 2 3 Z3 1N5242 Z7 1N821 J3 24-165 1 2 3 R37 1M R31 243 + - IC2A LM358 3 2 1 84 C14 470/50/ELRZ R39 1K82 R43 1K82 D8 1N4148 R45 191 + - IC1A LM358 3 2 1 84 D10 1N4148 R44 1K82 Z6 1N4713 R24 100K C20 10/35/ELRM C26 100/25/ELRM Q4 MPSA75 Q6 2N5551 R14 10K R26 4K7 R28 3K9 C29 U1/50/CZAM R30 10K C28 U1/50/CZAM R32 243 J5 10-88-1101 12 34 56 78 910 R34 47K R38 1M C23 U047/630/KTRK R40 1K82 D20 1N4001 C24 U047/630/KTRK D19 1N4001 R46 191 R48 2K2 R69 10/10 R70 10/10 D16 1N4148 R68 1/10 D15 1N4148 R67 1/10 C25 10/35/ELRM Q13 TIP120 R72 51/W5 Q14 TIP120 R71 51/W5 D12 1N4001 Q15 TIP120 Z19 1N5255 D13 1N4001 RL1 FRL-24 RL2 FRL-24 R60 4K7 D17 1N4148 D18 1N4148 R66 430K R58 10K R64 10K BR1 SEE CHART + - IC1B LM358 5 6 7 BR2 SEE CHART + - IC2B LM358 5 6 7 J13 10-84-4060 1 2 3 4 5 6 L1 3uH J12 10-84-4060 1 2 3 4 5 6 L2 3uH R52 SEE CHART C12 U15/400/KTAK R51 SEE CHART C13 U15/400/KTAK Z10 1N5338 C3 SEE CHART Z11 1N5338 C7 SEE CHART Z13 1N5338 C8 SEE CHART Z15 1N5338 C4 SEE CHART R55 2R2/1 C5 SEE CHART R56 2R2/1 C6 SEE CHART Z9 1N5338 C10 SEE CHART Z12 1N5338 Q9 2N5551 C9 SEE CHART Z14 1N5338 Q10 2N5551 Z16 1N5338 R59 4K7 R53 2R2/1 R54 2R2/1 C21 1U/50/ELRM J1 26-48-1025 1 2 R49 1K C22 1U/50/ELRM Q5 2N5551 J8 26-48-1025 1 2 Q3 MPSA75 C16 1000/25/ELRZ J7 26-48-1025 1 2 C11 470/50/ELRZ J14 26-48-1025 1 2 C15 1000/25/ELRZ Q7 2N5551 TR1 MAC97A F1 3A/MINI C17 100/25/ELRM J10 10-84-4040 1 2 3 4 BR3 RS202 C18 100/25/ELRM J11 10-84-4040 1 2 3 4 D5 1N4148 R5 10K D14 1N4001 R7 10K D11 1N4001 D1 1N4148 R73 2.4K R15 33K R74 2.4K R11 100K D3 1N4148 R13 10K R19 100K C1 470/6.3/ELRM Z1 1N4749A R23 100K Z2 1N4749A C27 100/25/ELRM Q8 2N5551 R65 430K D7 1N4148 TR2 MAC97A 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA CURRENT LIMITER ATTENUATOR DRIVER OUTPUT TO VR BALANCED INPUT/GAIN CH A - SIG IN + SIG IN - SIG IN + SIG IN RETURN FROM VR TO MODULE A OUTPUT TO VR RETURN FROM VR TO MODULE B BALANCED INPUT/GAIN CH B +18V CH B SERVO/HIGH PASS SERVO/HIGH PASS SERVO SEND CH B SERVO SEND CH A VR GND VR SEND B VR RET B VR SEND A VR RET A GND FB FB GND ATTENUATOR CURRENT LIMITER ATTENUATOR DRIVER CLIP DETECTOR CLIP DETECTORCH A DRIVER CH B DRIVER NOISY & HIGH VOLTAGE TRACE TO DISPLAY PCB TO PWR SUPPLY -HI RL +36V -36V STEREO/BRIDGE +HI RL +VA-C -CLIP -IGM +IGM +CLIP -VA-B GND FB FB GND -HI RL +36V -36V +HI RL +VA-C -CLIP -IGM +IGM +CLIP -VA-B ATT. VOLTAGE ATT. VOLTAGE OTA CH B OTA CH A +VA-B +VA-B VR GND CHART OF VALUES CA-6CA-9REF DES R7,R8,R9,R10 NOTE 1: R125,R126,R225,R226 R149,R24943K/3W56K/3W 43.2K/1% NOT USED 34K/1% 1M1/1% R143,R144,R243,R2442K29/0.1%2K32/0.1% PREAMP.CA 02 CA6, CA9 SERIES PREAMP CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 D 00Wednesday, May 17, 2000 Title SizeDocument NumberRev Date:Sheetof +HI RL +HI RL +15.5V +15.5V +15.5V +15.5V +15.5V +15.5V +15.5V +15.5V +15.5V GND OTA CH A OTA CH B-15.5V+15.5V +20.5V +20.5V +20.5V +20.5V +20.5V -20.5V +15.5V -HI RL -HI RL -15.5V -15.5V -15.5V -15.5V -15.5V -15.5V -15.5V -15.5V GND OTA CH A OTA CH B +20.5V -20.5V -20.5V -20.5V -20.5V -20.5V OTA CH A OTA CH B D117 1N4148 R278 2.7K C216 33pF/500V D116 1N4148 R279 11K/1%/1W R179 11K/1%/1W R280 576/1% C116 33pF/500V R272 68.1/1% R164 8.25K/1% C2100.001/50V R171 68.1/1% R262 68.1/1% R167 68.1/1% R268 68.1/1% R161 68.1/1% R258 68.1/1% R163 8.25K/1% Q210 2SA1415 D214 1N4148 R255 68.1/1% R178 2.7K R253 100K R155 68.1/1% R251 1M R156 68.1/1% R157 68.1/1% R141 2K21/.1% R238 10K R125 NOTE 1 R140 825K/1% R240 825K/1% R138 10K R20 220K R228 10K C2 0.1/25V R241 2K21/.1% R130 33.2K/.1%.5W R35 1K/1% R242 2K21/.1% R131 33.2K/.1%.5W D222 1N4148 J3 PHONEJACK STEREO R132 33.2K/.1%.5W D223 1N4148 J4 PHONEJACK STEREO R133 33.2K/.1%.5W R230 33.2K/.1%.5W C8 33pF/50V R244 NOTE 1 R231 33.2K/.1%.5W C7 33pF/50V R243 NOTE 1 R239 825K/1% R232 33.2K/.1%.5W C15 0.1/25V R254 1M C3 0.1/25V R233 33.2K/.1%.5W R252 100K R256 68.1/1% Q208C MMPQ6700 Q208D MMPQ6700 R19 220K J9 22-29-2031 1 2 3 Q207 2SA1415 + - IC1A OPA2604AU 3 2 1 84 Q208A MMPQ6700 Z2 MLL4732 Q208B MMPQ6700 Z1 MLL4732 J1 NC3FD 3 21 R257 68.1/1% Q111 MMBT5551 C22 22/35V J2 NC3FD 3 21 Q112 MMBT5401 Q206 2SC3645 C21 22/35V D2 1N4148 Q211 MMBT5551 Q209 2SC3645 D6 1N4148 Q212 MMBT5401 R267 68.1/1% D4 1N4148 R261 68.1/1% D215 1N4148 D8 1N4148 R263 8.25K/1% R33 1K/1% R264 8.25K/1% + - IC203A LM339D 312 4 5 2 R13 220K IC4 NE5517AD 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 C20 0.22/16V + - IC203C LM339D 8 9 14 R225 NOTE 1 R3 10K/1% C19 0.22/16V + - IC203B LM339D6 7 1 R226 NOTE 1 J8 CA-20H-2B-S 12 34 56 78 910 1112 1314 1516 1718 1920 R4 10K/1% C212 0.1/200V R5 10K/1% R6 10K/1% R27 10K D3 1N4148 D216 1N4148 D5 1N4148 D217 1N4148 D7 1N4148 + - IC203D LM339D 10 11 13 C16 0.1/25V C9 470pF/50V J101 09-52-3152 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 D114 1N4148 C10 470pF/50V J201 09-52-3152 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 D19 1N4148 R14 220K D115 1N4148 C213 0.1/200V R149 NOTE 1 D20 1N4148 D15 1N4148 R249 NOTE 1 + - IC1B OPA2604AU 5 6 7 D16 1N4148 R22 10K R129 3.9K R12 100K R229 3.9K + - IC103A LM339D 312 4 5 2 + - IC3B OPA2604AU 5 6 7 C14 2.2/5%/63V + - IC103C LM339D 8 9 14 C11 2.2/5%/63V + - IC103B LM339D 6 7 1 C13 2.2/5%/63V + - IC103D LM339D 10 11 13 + - IC3A OPA2604AU 3 2 1 84 R128 10K R28 47K R32 47K R139 825K/1% D122 1N4148 C12 2.2/5%/63V D123 1N4148 C1 0.1/25V R143 NOTE 1 D17 1N4148 C214 0.1/50V R144 NOTE 1 D18 1N4148 C114 0.1/50V C115 0.1/50V R142 2K21/.1% + - IC2B OPA2604AU 5 6 7 R151 1M C215 0.1/50V + - IC2A OPA2604AU 3 2 1 84 R152 100K C4 0.1/25V R154 1M R11 100K R153 100K Q105 MMBT5401 R120 576/1% R37 576/1% Q205 MMBT5401 D121 1N4148 J7B 22-29-2031 1 2 3 Q204 MMBT5551 R38 576/1% D222 1N4148 J7A 22-29-2031 1 2 3 R36 1K/1% Q104 MMBT5551 R31 10K R

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