Marantz SC7S1/F1N Service Manual Download Page 6

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3. SCHEMATIC DIAGRAM

2SA970

2SC2240

2SA970

2SC2240

2SA970

2SC2240

-22V

+22V

2SC2240

-22V

2SA970

+22V

2SA970

2SC2240

1SS176

OPA2604AP

1SS176

-22V

+22V

-22V

+22V

1SS176

OPA2604AP

B_GND A_GND

A_-

A_+

B_-

B_+

2SA1048

2SC2458

1D3

GND

-TAPE

BAL

MUTE

-12

B_GND

A_GND

B_GND

A_GND

B_GND

A_GND

B_GND

A_GND

EARTH

A_GND

B_GND

1D3

1SS176

11EQS10

(JUMPER)

C416

R436

R434

R438

R440

R442

R444

R448

(JUMPER)

R446

(JUMPER)

R433

R441

R439

R447

(JUMPER)

R445

(JUMPER)

R435

R437

C415

Q417

R443

R450

R455

R458

R449

R456

R453

R464

(JUMPER)

R462

(JUMPER)

R452

R454

R451

C424

R457

C423

R463

(JUMPER)

R459

R461

(JUMPER)

R460

C439

R475

R490

R472

R492

R480

(JUMPER)

R483

R494

(JUMPER)

R465

R481

R466

C432

R484

R473

C440

R488

R476

R478

(JUMPER)

R485

R495

(JUMPER)

C431

R486

R477

(JUMPER)

R468

R474

R496

(JUMPER)

R493

(JUMPER)

R489

R471

R467

R479

(JUMPER)

R482

R469

R491

R470

R487

C453

C454

C456

C455

C451

C452

C458

C457

C459

C460

RC36

RC38

CC36

CC38

CC37

RC35

CC35

RC37

RC03

RC05

RC07

RC09

Q418

Q420

Q419

Q422

Q421

Q424

Q423

C418

C420

C417

C419

C426

C428

C425

C427

C434

C436

C433

C435

C442

C444

C441

C443

RC21

C464

C462

C463

C461

C414

(N.C

)

C413

(N.C)

C421

(N.C)

C430

(N.C)

C438

(N.C)

C437

(N.C)

C429

(N.C)

C422

(N.C)

C404

(N.C

)

C402

(N.C)

C403

(N.C)

C401

(N.C)

RC79

RC80

RC77

RC78

RC75

RC76

RC73

RC74

CD_B_IN

CD_A_IN

LINE1_A_IN

LINE1_B_IN

BAL_BIN_-

LINE2_A_IN

TAPE_A_IN

TAPE_B_IN

LINE1_B_IN

LINE1_A_IN

LINE2_B_IN

LINE2_A_IN

TAPE_B_IN

A_-22

A_+22

A_-22

B_+22

B_-22

A_+22

A_-22

B_+22

B_-22

A_+22

A_-22

B_+22

B_-22

B_+22

B_-22

B_+22

B_-22

A_+22

A_-22

TAPE_A_IN

-12ST

-12

-12ST

-12

A_-

A_+

B_+

B_-

A_-

A_+

B_+

B_-

A_+

A_-

B_+

B_-

A_+

L_1

L_2

TAPE

-TAPE

A_+

A_-

BAL

-12

B_+

-12ST

B_-

A_+

-12

-TAPE

BAL

L_1

L_2

TAPE

MUTE

-12

-12ST

BAL

MUTE

-12

BAL_AIN_-

CD_A_IN

BAL_BIN_-

BAL_AIN_-

-12ST

-12

-12ST

B_+

CD_B_IN

B_-

A_-

LINE2_B_IN

B_+

A_-

B_-

226K

220P

226K

220P

15.4k

22.6

15.4K

100K

220/25V

100K

15.4K

22.6

22/25V

220/25V

15.4K

22.6

100K

15.4K

226K

226

226K

22.6

15.4K

220P

22/25V

100K

220P

220/25V

22.6

15.4K

22.6

220p

22.6K

2.26K

100K

22.6K

100K

2.26K

220p

100K

22.6K

2.26K

100K

22.6K

2.26K

220p

100K

220p

100K

220p

100K

2.26K

100K

22.6K

220p

100K

220p

2.26K

100K

2.26K

220p

2.26K

100K

2.26K

22.6K

2.26K

100K

2.26K

0.1

1000/25

1000/25V

22/25V

0.1

22K

4.7K

10K

15K

22K

10/35V

22.6K

2.26K

W007

J003

J005

R404

R408

C408

R402

R406

C406

Q404

Q408

R412

Q412

R420

R424

Q416

R416

R432

R428

RC34

CC34

R426

Q414

Q406

R414

R418

R422

C410

R430

CC32

Q402

Q410

R410

RC32

Q405

Q407

R411

R419

R425

R409

R431

R401

R407

Q413

Q401

R403

R423

R415

RC33

R429

C405

C411

C409

R427

C407

Q403

CC31

Q415

R405

Q409

Q411

CC33

RC31

R417

R413

R421

J006

LC04

DC04

LC03

DC03

LC06

DC05

LC05

DC06

LC07

LC09

DC07

DC08

LC10

DC10

LC08

DC09

J403

W009

W010

J008

J007

W011

J010

J009

W012

J011

J012

W008

J004

J402

J401

J405

J407

J409

LC02

DC02

DC01

RC01

LC01

Q418

Q417

Q420

Q419

Q422

Q421

Q424

Q423

C412

LC21

DC21

RC18

CC11

QC11

QC12

JC03

DC11

RC15

RC14

RC13

RC11

RC12

LC11

W018

R500

R498

R499

R497

DC12

DC13

DC14

DC15

DC16

DC20

DC19

DC18

DC17

1/2

2/2

BALANCED

LINE_1

LINE_2

TAPE

BAL

L_1

L_2

TAPE

MUTE

-12

FROM J201

11.6(BALANCED)

11.6(SACD/CD)

11.6(LINE1)

11.6(LINE2)

11.6(TAPE)

ON :-11.7 / OFF:+11.6

S.T.:-11.7 / BI.:+11.5

-11.7

TAPE:-11.6

OTHER:+11.0

S.T.:-11.7
BI.:+11.5

P101 1/2

226

Summary of Contents for SC7S1/F1N

Page 1: ...SECTION PAGE 1 TECHNICAL SPECIFICATIONS 1 2 BLOCK DIAGRAM 3 3 SCHEMATIC DIAGRAM 5 4 PARTS LOCATION 13 5 IC DATA 19 6 EXPLODED VIEW AND PARTS LIST 23 7 SERVICE MODE 26 8 BUS SPECIFICATIONS 30 9 ELECTRI...

Page 2: ...JAPAN Technical MARANTZ JAPAN INC 35 1 7 CHOME SAGAMIONO SAGAMIHARA SHI KANAGAWA JAPAN 228 8505 PHONE 81 42 748 1013 FAX 81 42 741 9190 EUROPE TRADING MARANTZ EUROPE B V P O BOX 8744 BUILDING SILVERPO...

Page 3: ...nput Impedance 420mV 20k Balanced 420mV 20k Unbalanced Output Impedance 220 Balanced 220 Unbalanced Signal to Noise Ratio IHF A Network 103dB Balanced 105dB Unbalanced Channel Separation 20kHz 100dB B...

Page 4: ...y 1 When screws and washers are removed those parts must be set to the same places 2 When wires are removed the wires must be installed in the same roots same places 3 Do not hold the side panels 001D...

Page 5: ...APE NFB REC OUT 1 2 3 BALANCED UNBALANCED 1 UNBALANCED 2 Ach PRE OUT Ach INPUT 22V 5V AMP RELAY LED DISPLAY DRIVER I V VOL NFB I V VOL 5V VOL RELAY DRIVER DRIVER DISPLAY BUS CONTROL IN OUT MUTE 12V P...

Page 6: ...BAL_BIN_ BAL_BIN_ BAL_AIN_ LINE2_A_IN TAPE_A_IN TAPE_B_IN LINE1_B_IN LINE1_A_IN LINE2_B_IN LINE2_A_IN TAPE_B_IN A_ 22 A_ 22 A_ 22 A_ 22 B_ 22 B_ 22 A_ 22 A_ 22 B_ 22 B_ 22 A_ 22 A_ 22 B_ 22 B_ 22 B_...

Page 7: ...D507 C517 C519 J505 J015 W014 J017 CC52 CC55 L501 J502 C527 Q529 R543 C525 R541 R548 R547 R501 R503 C529 D517 C523 C521 RC54 CC56 CC51 RC60 RC61 DC53 J013 J014 LC53 R593 R595 J507 J019 W016 R542 R522...

Page 8: ...W006 G802 G803 G801 R826 R827 R828 L806 U811 U801 U812 U803 1 2 3 1 2 3 4 1 2 3 1 2 2 1 1 2 1 2 1 2 3 1 2 1 2 1 2 3 4 2 1 1 2 3 5 6 8 4 7 10 9 5 4 3 2 1 1 2 3 N C 1 2 3 1 2 3 1 2 3 1 2 3 JUMPER JUMPER...

Page 9: ...6 R303 R230 R219 R211 C208 R206 J203 L205 Q206 C301 S201 R201 C306 D305 R306 R212 D312 R202 R335 Q208 J206 J271 J274 R272 R273 Q272 R274 C271 R275 C274 C276 C272 Q273 R276 R277 R278 D275 L271 L272 D27...

Page 10: ...0 Q508 Q504 Q502 Q506 D517 Q531 Q525 Q527 Q505 Q507 Q501 Q529 Q503 DC14 DC13 DC12 DC11 DC15 QC12 QC11 DC10 DC20 DC09 Q420 Q419 Q422 Q421 Q424 Q423 Q408 Q404 Q416 Q412 DC01 DC16 DC02 DC21 DC52 DC51 QC5...

Page 11: ...Q812 Q809 Q811 D810 D809 D840 D841 Q804 Q803 Q802 D820 Q807 Q808 Q805 Q806 D829 D831 D838 D811 D818 D821 D828 D819 Q201 D313 D314 Q219 D308 D307 D305 D309 Q222 Q224 Q203 Q221 Q205 Q202 D312 Q220 Q301...

Page 12: ...17 18 P251 P261 D801 P851 D805 D806 D807 D808 D804 D803 D802 P891 PF01 PS01 PS71 P271 Q272 D275 D274 Q273 Q279 Q278 Q274 Q277 D271 D273 D301 D304 P301 D315 PU51 PU61 D316 PU71 Q204...

Page 13: ...19 Q301 NJU3716 5 IC DATA Q302 NJU3719 Block Diagram Pin Description Q526 Q529 WN8816 Pin Description Pin Assignment...

Page 14: ...P21 LED4e 13 P22 LED4d 14 P23 LED4c 15 P24 LED4b DATA SO DATA LED1 LED2 LED3 LED4 a b c g d e f D P LED Port Assignment Q201 HD64F3664H NC NC AV CC X2 X1 V CL TEST V SS OSC2 OSC1 V CC P50 P51 NC NC 1...

Page 15: ...TMOV Power Off I External Interrupt Req H POWER OFF 31 N C 32 N C Pin PORT Name I O Function Description 33 N C 34 N C 35 NMI ICE4 Pull Up 36 P80 FTCI N C I 37 P81 FTIOA RC5 I Capture input port IR c...

Page 16: ...3 Dx 2 0 0 5 D 0 0 5 D 5 1 2 8 3 X4 U x 6 5 1 2 8 3 X 6 U x 6 5 1 5 0 3 X6 M x 4 0 0 9 D 5 1 2 9 3 X8 M 9 0 7 Gx 4 9 0 4 G 5 1 1 0 3 X6 M 5 1 1 0 3 X 6 U x 4 5 1 2 6 3 X8 M x 2 5 1 2 8 3 X 8 M x 2 5...

Page 17: ...10 013D 339J063130 ESCUTCHEON FOR TOP LID 339J063130 015D 339J202010 NET FOR ESCUTCHEON 339J202010 002G 163J057220 LEG CUPPER 163J057220 906G 426T154010 KNOB FOR ID NO SW 426T154010 J001 YJ04002550 JA...

Page 18: ...unable to receive the command that has issued by the unit itself BOK is displayed if the unit is able to receive the command that has issued by the unit itself The circuit is designed to go through th...

Page 19: ...TT Att RC BALANCE RC SACD CD RC LINE 1 RC LINE 2 RC TAPE RC Volume UP RC Volume Down RC ATT RC Trim RC EXIT RC A Trim Up RC A Trim Down RC B Trim Up RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC rC rC...

Page 20: ...IM UP Lch level 16 26 01 In TRIM mode TRIM level UP 12 A TRIM DOWN Lch level 16 26 02 In TRIM mode TRIM level DOWN 13 B TRIM UP Rch level 16 26 03 In TRIM mode TRIM level UP 14 B TRIM DOWN Rch level 1...

Page 21: ...16 16 Master Volume UP 7 VOLUME DOWN VOL 16 17 Master Volume DOWN 8 ATT MUTE 16 13 Vol ATT toggle 9 TRIM SELECT CH SEL 16 37 33 TRIM TRIM 10 EXIT MENU OFF 16 83 Exit from TRIM 11 A TRIM UP Lch level...

Page 22: ...7S1s can be connected Operation Only units in operation power ON are recognized and treated as existing units on the bus When power for a Slave unit is OFF the hardware relay lets through the unit on...

Page 23: ...31...

Page 24: ...designed to detect automatically if the unit is the End Slave And if so the unit sends the Return signal to the Master The circuit is designed that the bus connection is established even if power of...

Page 25: ...33 ID 1 Master ID 2 Slave ID 3 Slave ID 4 Slave ID 5 Slave ID 6 Slave Return END IN IN IN IN IN IN OUT OUT OUT OUT OUT OUT ID 1 Master ID 2 Slave IN OUT Return END...

Page 26: ...ON when power is turned ON This establishes the communications route even if Slave power is OFF The photocoupler Q273 is the interface which sends the signal input to J272 to the microcomputer It is b...

Page 27: ...ND Master GND 6 M GND Master GND 7 12V Master 12V 8 12V Master 12V 1 OUT H Remote OUTHot 2 OUT C Remote OUTCold 3 Return H END Slave Return Hot 4 Return C END Slave Return Cold 5 Detect END Slave 6 M...

Page 28: ...ID No 3 3 E04 Multiple units set for ID No 4 4 E05 Multiple units set for ID No 5 5 E06 Multiple units set for ID No 6 Change the ID number on the ID number selector switch to avoid duplication 6 E07...

Page 29: ...ay L273 Lo Q277 L275 Q274 Q275 Q273 L271 L271 L272 Q276 Lo 12V 12V Q201 40 45 46 S274 62 5V Master ON Relay END Relay Power ON Relay x 2 1 2 3 4 5 6 6 5 4 3 2 1 Master_H ID BUS IN BUS OUT 12V M GND M...

Page 30: ...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 31: ...01590 C508 C509 nsp ELECT 22 F 20 25V ARS OA22602540 C512 C513 nsp ELECT 470 F 25V ARS OA47702540 C516 C525 nsp ELECT 220 F 20 25V ARA OA22702550 C528 C529 nsp CER 50V DC 0 1 F 80 20 DD38104010 C530 n...

Page 32: ...6W GD05335160 R568 R569 nsp RES 100 1 1 4W GM11410000 R572 R573 nsp RES 15 4k 1 1 4W GM11415420 R580 R581 nsp RES 22 6 1 1 4W GM114226G0 R588 R589 nsp RES 46 4 1 1 4W GM114464G0 R592 R593 nsp RES 100...

Page 33: ...0 C272 nsp CER 50V DC 0 1 F 80 20 DD38104010 C276 C280 nsp CER 50V DC 0 1 F 80 20 DD38104010 C282 nsp CER 50V DC 0 1 F 80 20 DD38104010 C282 nsp CER 50V DC 0 1 F 80 20 DD38104010 C283 OF15102540 FILM...

Page 34: ...820 HD31301000 ZENER 13V EQUIVALENT HD31301000 D821 HD20055100 SHOTTKY 11EQS10 1A 100V HD20055100 D828 D829 HD30621000 ZENER 6 2V EQUIVALENT HD30621000 D831 nsp DIODE 21DQ10 HD20059100 D838 D839 HD307...

Page 35: ...RS COMMON CARBON FILM FIXED RES 5 1 6W R303 R344 R353 R355 R356 R547 R551 R805 R806 R811 R812 R819 R824 R831 R836 RC11 RC15 RH01 PU01 SEMICONDUCTORS D305 HI10040080 L E D SELU1E10CXM S BLUE HI10040080...

Page 36: ...1 CAPACITOR C314 nsp CER 50V DC 0 1 F 80 20 DD38104010 PU51 RESISTORS COMMON CARBON FILM FIXED RES 5 1 6W RH02 PU51 SEMICONDUCTOR D315 HI10040080 L E D SELU1E10CXM S BLUE HI10040080 PU61 R LED CIRCUIT...

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Marantz SC7S1/F1N, Service Manual

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