Author: Puccini Sch  

Tags: radio engineering   circuits  

Year: 1999

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CAPACITOR TYPEE LEFT CHANNEL PRE-AMpl MM RIO 9 WLPO JP101A 10R О JP1O1B MM MC 2 R103IK J316A 5 3 7 6 4 4.7n 39n Cl О 9 C107 C108 470U/50V Ы C105 R110 WLKO IC1O1B 05532 R104 220R R106 91R R102 47K R107 82K C104JII 4.7u/25V 8 C102 220p MC R105 2K2 Cl О 6 II O.lu 10R C103 15R 100R IC101A NE5532 R108 6K8 lOn In CD INPUT J316B RCA 4 -- MC/MM PHONO R126 2k2 6 ТАКАМISANA A5W-K Q106 R112 100k 2 5 OKA Volume A ALPS 3 BF245A please note: input from 33k (vol=zero) R127 3 9k2 impedance change to 18k (vol=majc) RL3 02 ТАКАМISAWA A5W-K CERAMI POLYES POLYPR POLYST ELECTR 2.4mA V QI О 5 R129 llk5 R123 390 Q104 BC212B Q103 BC212B R125 2k26 1 1 F245A V 2.4mA R122 390 4 7uF 3 5VL C114 О . In OWLP (+15) ELNA Starget R124 llk5 R128 3k32 C118 4 7uF 3 5VL + 1N4148 К Q102 К BC212B 1/ Q101 T^l BC182B Effective gain - 4.1 Band(-3dB) lHz/2MHz | LPWR CHS 6 8 Op ELNA Starget R120 390 R121 390 4 7uF 3 5VL C114 О . In O WLN ( -15) ELNA Starget Federico Paoletti Title ALL RESISTORS ARE 0.125W 0.1% 15ppm/C METAL FILM WELWYN RC55 TYPE PUCCINI REMOTE - LEFT PRE-AMP Size Document Number В PSELPRE.SCH Date: June 4, 2001|Sheet 2 c
V О.15mA 3.7mA V Max in 4Vpp QUO QI О 9 R142 |LPRE R146 10k R145 10k R151 220 Q112 BC212B Qlll BC212B 16mA Cl 5 5 (limited by 32v ln5 BF245A 1N4148 100k C154 О . lu R148 220 R150 56 R149 56 (Pd - Q114 BC212B R141 39k Q113 BC182B (Pd = О.5W 100 BF245A + 1 . 3v г R143 > 8k2 R147 || 1 к 1 r C152 R140 R144 3k9 220 47uF 3 5VL 47uF 3 5VL ELNA Starget C153 2n2 C160 4u7 100VL О . 5W iprot-on C150 О . lu C148 470u 5 0VL C147 c lOOu 0VL 6 ОVpp max! power supply) C149 О . lu bn IC103 4КГЗЗ Q116 BC182B Q115 BC212B IC103 4КГЗЗ bp C145 470u 5 0VL R155 5K62 R158 56 2K2 6 C146 R163 5k62 R162 3 9k R152 5K62 100U 5 0VL R156 3K9 D107 1N4007 DI О 6 1N4148 D105 1N4148 R153 2K2 6 RV101 IK PRESET C159 О . lu C158 О . lu R157 6K8 QI 0 8 BF422 DZ1O1 R130 Ik C162 BZX85C33 R134 10k D108 1N4 0 0 7 2n2 bn C157 OVPWLP (+3 9v) Q119 BC517 Q117 Q118 О . lu C156 О . lu R135 DZ102 bjo 2n2 BZX85C33 QI 0 7 BF423 R131 Ik R164 10 out R159 10 3 9k R16 0 . . ep 5k62 R136 I О . 3 3RP 4W en . j 137 f О . 33R 4W D109 1N4007 (1imited Pout — 6 OW by 32v power LI 01 luH out R138 I О . 3 3RP 4W R139 I О . 3 3RP 4W R133 4R7 2W er> . j f QI 2 О Q121 D109 1N4007 R132 4R7 2W C144 6 8n OVPWLM ( - 3 9v) Effective gain - 16.6 Band(-3dB) 10Hz - 40kHz (limited by C155) LEFT POWER AMI PUCCINI REMOTE Size Document Number В PSELPWR.SCH Date : 3 June 11, 2001 Sheet
PCB REFERENCES OVLP VLN|-----OVLN OV WHEN INACTIVE > + 1VDC OR < - 1VDC WHEN ACTIVE 10 FLOATING WHEN INACTIVE OV WHEN ACTIVE R61 SPKLP SPKRP R64 47K C64 100u/35V D4 7 BZX85-C10 10K STBY C65 100u/35V D48 BZX85-C10 PUCCINI INTEGRATED AMP - LS PROTEC ALL RESISTORS ARE O.25W 1% UNLESS OTHERWISE INDICATED Size В Document Number Date: March 24, 1999 Sheet 7 c
AC TEST: SINE @ SINE lOOmV LEFT CHANNEL POWER AMEj D6 BZX85-C16 R23 5K6 325mV p-p IN p-p INTO PRE - R26 2K7 DIO 1N4148 R4 5 О . 33R 4W |VPWLP} loop VPWLN | VPWLN ~[ |GNDf R17 39K R2 0 OR R22 5K6 R18 180R 560R 2W ALL RESISTORS ARE 0.25W 1% METAL FILM UNLESS OTHERWISE INDICATED C3 5 68n R37 4R7 2И I PCB REFERENCES | BETWEEN 1 AND 2 — DC 4-1 7 V 3 AC TEST — DC -17V 4 AC TEST ADJUST R29 FOR 13.2mVDC (SEE TABLE) 4Vp-p 4Vp-p SPKLP PUCCINI INTEGRATED AMP - LEFT POWEJ Size В Document Number Date: March 24, 1999|Sheet 3 <
PCB REFERENCES WITHOUT LOAD 103 WRP R124 56OR 2W AC TEST: SINE 325mV p-p IN @ SINE lOOmV p-p INTO PRE | Clll |R PRE VPWRP R116 39K | VPWRPI R149 3 2 Cl 7 О loop 4 8 1 IC105 NE5534 6 VPWRN |VPWRNI |GNDf 39K R118 180R C128 lOOp C127 0 . lu R119 3K9 |WRN f RIGHT CHANNEL POWER AM^> BETWEEN 101 AND 102 ADJUST R129 FOR 13.2mVD( (SEE TABLE) C131 C130 4n7 R120 OR R125 560R 2W D106 BZX85-C16 VPWRP Q R123 5K6 AC TEST: 7.1Vp-p DC: +1.05V R131 56R DI 0 7 BZX85-C16 к 1 D108 BZX85-C16 C129 4 7p 104 2 2 OR. R126 2K7 DI 10 1N4148 C132 470u/50V 1N4148 R130 3K9 R122 5K6 DI О 9 BZX85-C16 QI 01 Q104 R127 2K7 R128 6K8 R132 10K C133 О . lu 101 R129 IK PRESET Q103 BC517 R135 О . 33R 4W R145 О .33R 4W L102 luH AC TEST: 7.5Vp-p DC: -1.15V R134 I О . 33R 4W О . 33R 4W R133 33R C134 О . lu 102 Q102 Q105 AC TEST: 7.IVp-p DC: -1.15V О VPWRN C135 68n R137 4R7 2W ALL RESISTORS ARE 0.25W 1% METAL FILM UNLESS OTHERWISE INDICATED 103 104 DC 4-17V AC TEST 4Vp-p DC -17V AC TEST 4Vp-p R136 4R7 2W SPKRP Title PUCCINI INTEGRATED AMP - RIGHT POWE Size В Document Number Date: March 24. 1999 Sheet 5 c
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