Marantz SC7S1/F1N Service Manual Download Page 5 | Manualshive

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3

4

2. BLOCK DIAGRAM

1

2

3

BALANCED

SACD/CD

LINE-1

LINE-2

TAPE

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

µP

µP

INPUT

SELECTOR

VOLUME

ATT SW.

DISPLAY SW.

IR

ID SW.

MODE SW.

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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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