Marantz Duetto SR110 Service Manual Download Page 16 | Manualshive

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IC02:LC72131

Block Diagram

Pin Assignment

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Summary of Contents for Duetto SR110

Page 1: ...F1S N1S U1S Receiver PHONES WOW MEMO BAND TIMER TUNER AMP VOLUME STANDBY DISPLAY MUTE OPEN SR110 STANDBY DISPLAY MUTE OPEN TABLE OF CONTENTS SECTION PAGE 1 TECHNICAL SPECIFICATIONS 1 2 SERVICE MODE 2...

Page 2: ...BRAZIL PHILIPS DA AMAZONIA IND ELET ITDA CENTRO DE INFORMACOES AO CEP 04698 970 SAO PAULO SP BRAZIL PHONE 0800 123123 Discagem Direta Gratuita FAX 55 11 534 8988 JAPAN Technical MARANTZ JAPAN INC 35 1...

Page 3: ...UDIO SECTION THD 10 6 ohms 25W Ch Continuous Power Output 40 Hz 20 kHz 8 ohms 21W Ch THD 40 Hz 20 kHz at 21 W output 8 ohms 0 08 Input Sensitivity Impedance Linear 200 mV 47 Kohms Signal to Noise Rati...

Page 4: ...e Mains cord Turn JOG Version of Push ENTER Push ENTER MAIN MICOM is displayed Release date is displayed Push STANDBY to quit Service mode VFD Check MICOM VER x xx All segments of LCD is turned on Eac...

Page 5: ...3 4 3 WIRING DIAGRAM...

Page 6: ...4 BLOCK DIAGRAM 5 6...

Page 7: ...7 8 5 SCHEMATIC DIAGRAM...

Page 8: ...9 10...

Page 9: ...11 12...

Page 10: ...20 D1 D2 R9 EC01 R4 R10 C7 C8 R13 Q2 C9 X TAL1 C15 R23 R24 C6 R6 C5 R7 R8 CF1 Q1 AM IF C14 1 D3 R25 IF REQ MUTE AM FM MO ST 20 30 27 29 28 26 25 R22 R26 R19 R21 EC3 R20 C12 C23 C24 SVR1 EC10 EC11 EC1...

Page 11: ...3 4 5 6 7 8 9 10 11 12 23 24 22 21 19 18 17 16 15 14 13 2 1 3 4 5 6 7 8 1 2 3 19 18 4 5 6 7 8 9 17 16 15 14 13 12 11 10 20 D1 D2 R9 EC01 R4 R10 C7 C8 R13 Q2 C9 X TAL C15 R23 R24 C6 R6 C5 R7 R8 CF1 Q1...

Page 12: ...4 5 6 7 8 9 17 16 15 14 13 12 11 10 20 D1 D2 R9 EC01 R4 R10 C7 C8 R13 Q2 C9 X TAL C15 R23 R24 C6 R6 C5 R7 R8 CF1 Q1 AM IF C14 1 D3 R25 IF REQ MUTE AM FM MO ST 20 30 27 29 28 26 25 R22 R26 R19 R21 EC3...

Page 13: ...e IC102 IC109 IC108 Q108 Q109 IC106 IC104 IC105 IC103 IC501 Q501 Q110 Q101 Q109 Q107 Q102 Q105 IC110 Q111 Q113 MAIN AMP Q704 Q703 Q707 Q709 Q701 Q712 Q716 Q717 Q713 Q706 Q705 Q719 Q708 Q702 Q715 Q711...

Page 14: ...21 22 Q307 Q311 Q301 Q302 Q303 Q310 Q306 Q313 Q312 Q304 Q309 Q308 Q305 IC301 FRONT Q604 Q609 Q601 Q603 CONNECTOR...

Page 15: ...23 7 IC DATA IC01 LA1837 Block Diagram FM SD ADJ 3 rd 5 th DECODER ANTI BIRDIE FM IC103 NJM2700 BLOCK DIAGRAM...

Page 16: ...24 IC02 LC72131 Block Diagram Pin Assignment...

Page 17: ...1 V SS1 V SS3 CMP Reference clock 4 3 5 6 12 11 13 14 10 7 8 16 2 9 1 Pin Descriptions Pin No Pin name Symbol Function Input output type 1 QUAL Demodulator quality Type C Good data High bad data Low R...

Page 18: ...26 IC101 LC78211 IC102 IC106 NJM2068 Pin Configuration Pin Assignments Equivalent Circuit Block Diagrams...

Page 19: ...27 IC104 TDA7440 PIN CONNECTION BLOCK DIAGRAM...

Page 20: ...00 Vcc2 DIG12 SEG36 DIG13 SEG37 DIG14 SEG38 DIG15 SEG39 Reset input Chip select input Shift clock input Serial data input Universal bidirectional ports Clock output Clock input Segment outputs Digit s...

Page 21: ...ck to XIN and XOUT must be opened DIG00 DIG15 Digit output Connect to digit grid pins of VFD Connect to segment anode pins of VFD Pins from SEG00 to SEG39 correspond to segment pins of VFD asshown in...

Page 22: ...B Y0 B Y OUT IN INH VEE X OUT IN A COMMON Y2 Y3 Y1 X2 X1 X0 X3 Logic circuit diagram Truth table VDD 16 INH 6 A 10 B 9 X0 12 X1 14 X2 15 X3 11 VSS 8 VEE 7 13 X Y0 1 Y1 5 Y2 2 Y3 4 3 Y LEVEL CONVERTER...

Page 23: ...1 62 71 72 73 74 81 82 83 84 75 76 77 78 88 87 86 85 79 80 89 90 100 99 98 97 96 95 94 91 92 93 1 PA2 AN2 PA3 AN3 PA4 AN4 PA5 AN5 PA6 AN6 PA7 AN7 AV SS RST EXTAL XTAL Vss TX TEX V DD V FDP PD0 A55 PD1...

Page 24: ...2 27 20 19 3 4 X2 5 X2 H 6 8 X3 7 X3 A X4 44 46 45 2 A X2 I X4 47 E X2 48 E X2 E 33 TH X2 H J X3 28 32 30 29 31 PC 36 G 40 38 37 39 21 PE X2 F X2 22 K X2 K X13 K X2 10 11 12 23 13 D X4 14 A X2 34 X2 3...

Page 25: ...15010 29 9965 000 10715 KNOB EJECT 323W154020 30 nsp SUPPORTER EJECT 323W101010 31 nsp WINDOW REMOCON A 323W158020 32 9965 000 10716 BRACKET DOOR A 323W160010 33 9965 000 10717 SPRING DOOR A 323W11502...

Page 26: ...2 10000 pF 103 470 pF 471 2200 pF 222 C 5 ELECTROLY CAP 6 FILM CAP 5 EA 10 Electrolytic capacitor One way lead type Tolerance 20 Examples Capacity value 0 1 F 104 4 7 F 475 100 F 107 0 33 F 334 10 F 1...

Page 27: ...M 50V 5x11 5RE nsp C175 nsp CER CHIP COG470PF J 50V nsp C176 nsp CER CHIP COG100PF J 50V nsp C177 nsp CER CHIP X7R1000PF K 50V nsp C178 nsp CER CHIP X7R1000PF K 50V nsp C179 nsp CER CHIP X7R0 01UF K 5...

Page 28: ...HIP 100K J 1 16W nsp R184 nsp CHIP 100K J 1 16W nsp R185 nsp 2 2K J 1 5W 52RE AX nsp R186 nsp CHIP 8 2K J 1 16W nsp R187 nsp METAL 100PPM 0 22 J 1W GA000200R R188 nsp METAL 100PPM 0 22 J 1W GA000200R...

Page 29: ...2090 IC108 4822 209 60826 IC REG KIA7812PI 20W HC3891209F IC109 4822 209 73954 IC REG KIA7912PI 20W HC3991209F IC110 4822 209 31631 IC REG KIA7805PI 20W HC3890509F IC501 9965 000 10743 MICRO PROCESSOR...

Page 30: ...X nsp R720 nsp 68 J 1 5W 52RE AX nsp R721 nsp 15 J 1 5W 52RE AX nsp R722 nsp 750 J 1 5W 52RE AX nsp R723 nsp 1 2K J 1 5W 52RE AX nsp R724 nsp 1 2K J 1 5W 52RE AX nsp R725 nsp 560 J 1 5W 52RE AX nsp R7...

Page 31: ...F M 50V 3x5 5RE nsp C314 nsp CER CHIP Y5V0 047UF Z 50V nsp C316 nsp ELECT 47UF M 25V 6 3x7 5RE nsp C317 nsp CER CHIP X7R0 1UF K 50V nsp C318 nsp CER CHIP COG220PF J 50V nsp C319 nsp CER CHIP COG220PF...

Page 32: ...100980R SW301 9965 000 10760 SW TACT THVH472GAA SP001150R SW302 9965 000 10761 SW TACT SP001140R SW305 SKHV10920A 5MM 260G SW306 9965 000 10760 SW TACT THVH472GAA SP001150R SW307 9965 000 10761 SW TAC...

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