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1、ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L940C1_1.0.prj A75 PLUS AMP Contact Engineer: L940C1 11-Dec-2001 INITIALS Printed:17Sheetof Notes: Contact Tel:(01223) 203 200Travis Pierce A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Waterbeach PWRLEFT PROTECTION
2、 A1 SP2_SEND_L SP2_RETN_L OP_L A1 LEFT CHANNEL L940C5_1.0.SCH ACLT1 MUTE AVCONTROL TAPECONTROL MUX1 MUX2 MUX3 PREMUTE PROT SENSE REMOTE CONTROL L940C7_1.0.SCH SELOPR SELOPL MUX1 MUX2 MUX3 TAPECONTROL ACSENSE PROT_OP_L PROT_OP_R PROTECTIONMUTE HPSW2 HPSW1 TAPOL TAPOR PROT SENSE PHONO & INPUTS L940C3_
3、1.0.SCH ACSENSE ACLT1 POWER SUPPLY L940C2_1.0.SCH PWRRIGHT A1 SP2_RETN_R OP_R SP2_SEND_R A1 RIGHT CHANNEL L940C6_1.0.SCH PWRLEFT PWRRIGHT SELOPR SELOPL HPSW2 AVCONTROL HPSW1 SP2_SEND_L SP2_RETN_L OP_L OP_R SP2_SEND_R SP2_RETN_R PREMUTE TAPOR TAPOL PROT_OP_R PROT_OP_L TONE CONTROL L940C4_1.0.SCH TOP
4、SHEET FOR A75 L940AY TGP USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65 USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75 01_E02012/12/01PRODUCTION RELEASE1.0 RadioFans.CN Downloaded from http:/receiverfaq.ru/ ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L940C5_1.0.SCH A
5、75 PLUS AMP Contact Engineer: L940C5 11-Dec-2001 INITIALS Printed:57Sheetof Notes: Contact Tel:(01223) 203 200Travis Pierce A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Waterbeach Q600 BC556B Q601 BC556B Q604 2SA970GR Q606 BC546B Q607 BC546B R617 680R MF R619 10K MF R618 10K MF R613 47R MF
6、 R614 47R MF R612 100K MF R600 1K0 MF PWRLEFT Q611 2SC2240GR Q610 2SC2240GR R620 10K MF Q603 2SA970GR Q608 BC546B ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L940C7_1.0.SCH A75 PLUS AMP Contact Engineer: L940C7 11-Dec-2001 INITIALS Printed:77Sheetof Notes: Contact Tel
7、:(01223) 203 200Travis Pierce A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Waterbeach WARNING SAFETY CRITICAL COMPONENT REPLACE WITH IDENTICAL PART uC, Volume Drive & Remote Control C912 10N CD C900 10N CD R900 1R0 FU D906 1N4003F D907 1N4003F + C920 1M0 25V C913 10N CD MOTE900 P900 +5v VO
8、LUME DRIVEMOTOR DRIVER +5V GND 1 MD1 2 CC1 3 REF 4 MC1 5 MC2 6 VCC1 7 VCC2 8 CC2 9 MD2 10 Z905 BA6109 12 VOLMOT900 1Y271 1 3 2 LK900 L856CA REMOTE SENSOR SNAP OFF BOARD ACLT1 MUTE MUX1 MUX2 MUX3 AVCONTROL TAPECONTROL R915 220R MF PB5 1 PB4 2 PA3 3 PA2 4 PA1 5 PA0 6 PB3 7 PB2 8 PB1 9 PB0 10 VSS 11 (T
9、MR)/INT 12 PC0 13 PC1 14 PC2 15 PC3 16 PC4 17 PC5 18 RES 19 VDD 20 OSC1 21 OSC2 22 PA7 23 PA6 24 PA5 25 PA4 26 PB7 27 PB6 28 Z900 HT48R30 28-DIP-B-0 A0 1 A1 2 A2 3 VSS 4 SDA 5 SCL 6 WP 7 VDD 8 Z906 24C01 C917 100N CD X900 CST4.00 C918 100N CD +C914 220U EL +5v +5v +5v C919 100N CD 1 2 3 SW900A 2PCO_
10、NON_LAT 4 5 6 SW900B 2PCO_NON_LAT R912 100K MF +C921 10U EL D910 1N4148 R913 10K MF +5v +5V R914 4K7 MF 0V_DIG 0V_DIG 0V_DIG 0V_DIG 0V_DIG 0V_DIG0V_DIG 0V_DIG 0V_DIG 0V_DIG 0V_DIG 0V_DIG 0V_DIG X0 13 X1 14 X2 15 X3 12 X4 1 X5 5 X6 2 X7 4 INH 6 A 11 B 10 C 9 VEE 7 X 3 Z907A 74HC4051 VDD 16 GND 8 Z907
11、B 74HC4051 R904 10R MF + C915 100U EL PREMUTE 0V_DIG +5V MOTSUP900 VOLM901 VOLM900 REMO900 C916 100N CD 1 2 3 LK903 3WAY CABLE HOLDER D911 1N4148 1 2 3 4 5 6 7 8 9 10 SK900 FFC10V 12 LK901 10MM LINK R902 100R MF R903 100R MF 0V_DIG 0V_DIG PROT SENSE Disp A Disp B Disp C Disp D Disp E Disp F Disp G D
12、isp H Disp I R901 12K MF Q900 BC556B +5v R905 33K MF + C901100U EL D908 ZENER 5V1 400MW USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65 USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75 ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L940C3_1.0.SCH A75 AMPLIFIER PLUS Contact
13、 Engineer: L940C3 11-Dec-2001 INITIALS Printed:37Sheetof Notes: Contact Tel:(01223) 203 200Travis Pierce A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Waterbeach 3 2 1 Z100A NE5532 C119 100P PP R100 47K MF R108 470R MF C124 47P CD + C125 22U EL R110 680K MF R112 56K MF C127 4N7 PP C129 1N3
14、PP C120 100P PP R101 47K MF R109 470R MF C123 47P CD + C126 22U EL R111 680K MF R113 56K MF C128 4N7 PP C130 1N3 PP 1 2 3 SW100A 4PCO 4 5 6 SW100B 4PCO 7 8 9 SW100C 4PCO 10 11 12 SW100D 4PCO 5 6 7 Z100B NE5532 -15V +15V CD TUNER VCR AV/DVD TAPE IN TAPE OUT EMC 1 N F SK100A PHONO4G BOT 5 6 TOP 4 N F
15、SK100B PHONO4G EMC 1 N F SK103A PHONO4G N F SK103B PHONO4G EMC 1 N F SK102A PHONO4G N F SK102B PHONO4G EMC 1 N F SK101A PHONO4G 84 Z100C NE5532 Phono Stage & Input Selection X0 4 X1 5 X2 6 X3 7 X4 12 X5 11 X6 10 X7 9 EN 2 A0 1 A1 16 A2 15 V- 3 D 8 GND 14 V+ 13 Z102 DG408DJ X0 4 X1 5 X2 6 X3 7 X4 12
16、X5 11 X6 10 X7 9 EN 2 A0 1 A1 16 A2 15 V- 3 D 8 GND 14 V+ 13 Z103 DG408DJ D104 1N4148 D106 1N4148 D105 1N4148 D107 1N4148 D108 1N4148 D112 1N4148 D113 1N4148 D109 1N4148 D114 1N4148 D110 1N4148 D115 1N4148 D111 1N4148 D124 1N4148 D120 1N4148 D121 1N4148 D125 1N4148 D122 1N4148 D126 1N4148 D123 1N414
17、8 D127 1N4148 D101 1N4148 D103 1N4148 D100 1N4148 D102 1N4148 R118 1K0 MF R119 1K0 MF R122 1K0 MF R123 1K0 MF R124 1K0 MF R125 1K0 MF R126 1K0 MF R127 1K0 MF R128 1K0 MF R121 1K0 MF R130 100K MF R131 100K MF R133 100K MF R134 100K MF R135 100K MF R136 100K MF R137 100K MF R142 100K MF R143 100K MF R
18、144 100K MF +15v +15v +15v +15v +15v +15v +15v +15v +15v +15v +15v +15v -15v -15v -15v -15v -15v -15v -15v -15v -15v -15v -15v -15v SEL1 1 S2 14 D1 2 V+ 13 S1 3 S3 11 V- 4 GND 5 VL 12 S4 6 D3 10 D4 7 SEL3 9 D2 15 SEL4 8 SEL2 16 Z105 DG413DJ VCROL VCROR TUNOL TUNOR CDOL CDOR DVDOL DVDOR TAPEOL TAPEOR
19、 AUXOL VCROL TUNOL CDOL DVDOL AUXOR VCROR TUNOR CDOR DVDOR TAPECONTROL MUX1 MUX2 MUX3 MUX1 MUX2 MUX3 +5v +5v +15v +15v +15v -15v -15v -15v TAPECONTROL R120 1K0 MF R117 1K0 MF R129 100K MF R132 100K MF AUXOL AUXOR TAPEOL TAPEOR C134 470P PPW C144 470P PPW C143 470P PPW C142 470P PPW C141 470P PPW C14
20、0 470P PPW C139 470P PPW C138 470P PPW C137 470P PPW C135 470P PPW C136 470P PPW C133 470P PPW +5v R154 47R MF R155 47R MF C122 100P PP C121 100P PP D116 1N4148 D118 1N4148 D117 1N4148 D119 1N4148-15v -15v +15v +15v +15v +15v +15v -15v -15v -15v 5 6 7 Z104B TL072 3 2 1 Z104A TL072 84 Z104C TL072 SEL
21、OPL SELOPR R140 100K MF R141 100K MF MUX3 MUX2 MUX1 TAPECONTROL +15V -15V RLY1C RLY G5Z-2A-E PWR 1 IN1 2 IN2 3 0V 4 V- 5 O 6 FB 7 RC 8 V+ 9 Z101 TA7317P R105 47K MF R103 47K MF R102 47K MF R104 47K MF+ C148 1U0 EL R149 100K MF D128 1N4003F R106 47K MF Q100 2SC2240GR R153 1K0 1W CF D130 1N4003F R145
22、10K MF R150 100K MF + C149 100U EL +37V R151 18K MF -37V R152 33K MF R107 47K MF D129 1N4003F R147 2K7 1W CF +37V R146 2K7 1W CF R G LED100 LED RED/GRN 3MM D131 5V6 400MW 1 3 2 LK100 L856CA R148 470R FU ACSENSE PROT_OP_L HPSW1 MUTEPROT_OP_R C112 100N CD C113 100N CD C109 100N CD C114 100N CD C110 10
23、0N CD C118 100N CD C107 100N CD C108 100N CD C101 100N CD C102 100N CD +C145 10U EL +C146 10U EL C115 100N CD C116 100N CD R139 100K MF R138 100K MF PROTECTION 0V_SIG 0V_SIG 0V_SIG 0V_SIG0V_SIG0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG0V_SIG 0V_SIG 0V_SIG 0V_SIG0V_SIG 0V_SIG 0V_S
24、IG 0V_SIG0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_HF0V_HF 0V_HF 0V_HF 0V_HF 0V_HF 0V_SIG 0V_SIG R114 8K2 MF R115 8K2 MF R116 18K MF + C150 1U0 EL HPSW2 TAPECONTROL MUX1 MUX2 MUX3 C147 100U NP CDL CDR TUNL TUNR VCRL VCRR DVDL TAPL TAPR TAPOL
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