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AV SURROUND RECEIVER SR7300

UP

SURROUND

VOLUME

DOWN

MEMORY

TUNING

MODE

F/P

CLEAR

S-DIRECT

MULTIROOM

MUTE

A/D

7.1CH INPUT

SPEAKRS A/B

POWER ON/STANDBY

PHONES

ENTER

STANDBY

AUX1 INPUT

S-VIDEO

DIGITAL

VIDEO

L

AUDIO

R

DSS/VCR2

AUX1

AUX2

VCR1

DVD

TV

CD

CD-R

TAPE

TUNER

ATT

SELECT

DISP

MULTI

AUTO

TUNED

ST

V – OFF

NIGHT

PEAK

ANALOG

DIGITAL

ATT

SLEEP

SURR

AUTO

DIRECT

DISC 6.1

MT X 6.1

SPKR A B

EQ

DIGITAL

SURROUND

PCM

L

C

R

SL

S

SR

LFE

AV Surround Receiver

SR7300 / SR7300OSE / PS7300

03AJ855010 MIT 
First Issue 2002.11

SR7300 /

N1B/U1B/K1G/N1G/U1G

SR7300F /

N1B/U1B/K1G/N1G/U1G

R

SR7300 / SR7300F

Please use this service manual with referring to the user guide ( D.F.U. ) without fail.

Service
Manual

PS7300 /

F1B/F1N

AV Surround Amplifi er

PS7300

TABLE OF CONTENTS

SECTION                                                                                                         PAGE

  1. TECHNICAL SPECIFICATIONS AND SERVICE TOOL ........................................ 1
  2. TECHNICAL DESCRIPTION ................................................................................. 4
  3. WIRING DIAGRAM................................................................................................ 5
  4. BLOCK DIAGRAM ................................................................................................. 7
  5. SCHEMATIC DIAGRAM ........................................................................................ 9
  6. PARTS LOCATION .............................................................................................. 25
  7. IC DATA................................................................................................................ 36
  8. EXPLODED VIEW AND PARTS LIST ................................................................. 47
  9. SERVICE PROGRAM.......................................................................................... 51
10. UPDATE FIRMWARE .......................................................................................... 53
11. POWER AMPLIFIER ADJUSTMENT .................................................................. 55
12. SYSTEM ERROR ................................................................................................ 56
13. TROUBLE SHOOTING ........................................................................................ 57
14. ELECTRICAL PARTS LIST ................................................................................. 61

All manuals and user guides at all-guides.com

all-guides.com

Summary of Contents for PS7300

Page 1: ...MIT First Issue 2002 11 SR7300 N1B U1B K1G N1G U1G SR7300F N1B U1B K1G N1G U1G R SR7300 SR7300F Please use this service manual with referring to the user guide D F U without fail Service Manual PS7300...

Page 2: ...Z 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 SILVERPOINT BEEMDSTRAAT 11 565...

Page 3: ...130 W Ch Center 6 ohms 130 W Ch Surround L R 6 ohms 130 W Ch Surround Back 6 ohms 130 W Ch Input Sensitivity Impedance 168 mV 47 kohms Signal to Noise Ratio Analog Input Source Direct 105 dB Frequenc...

Page 4: ...de is selected with the surround mode buttons on SR7300 SR7300F PS7300 or the remote control unit However the sound you hear is subject to the relationship between the selected surround mode and input...

Page 5: ...Large LFE LFE none L R L R no output Small LFE Sb None no suuround mode Small Large LFE SL SR LFE SL SR Small LFE SL SR Sb None no suuround mode None prohibit no suuround mode LFE Small Large Large L...

Page 6: ...deo titles When DVD video appeared it became possible to deliver 24 bit 96 kHz audio into the home but only in two channels and with serious limitations on picture This capability has had little use D...

Page 7: ...SW 16 GND 17 TU_L 18 GND 19 TU_R 19FMN BTK A YJ07059880 19 FL 18 GND 17 FR 16 GND 15 SL 14 GND 13 SR 12 GND 11 SBL 10 GND 9 SBR 8 GND 7 CNT 6 GND 5 SW 4 GND 3 TU_L 2 GND 1 TU_R YP06003930 S3B EH ONLY...

Page 8: ...Power Down Func SW Cont PH DET VIDEO P EXP Cont DC Over Current Sens Y Signal C Signal FWE Ver Up SW _WRTI STANDBY LED STANDBY FRONT R A SURROUND R VCR1 OUT DSS VCR2 IN VCR1 IN DSS VCR2 OU T TAPE OU...

Page 9: ...53 B854 W861 D862 D861 D858 B857 B856 QN04 RN17 D804 D803 D805 D809 D802 D806 D807 D808 D818 RN23 RN22 CN09 W001 J806 N B854 B853 B853 B854 100 63V 220 63V OSE PS 100 63V 220 63V OSE PS 100 63V 220 63...

Page 10: ...JUMPER JUMPER JUMPER 100 100 82k 100 470p 82k 470p 470p 470p 82k 100 82k 100 82k 100 470p JUMPER 82k 470p 470p 470p JUMPE R 47k 470p 82k 47k 100 1k 47k 470p 47k 82k 10 50V 1k 1k 100 470p 470p 10 50V 1...

Page 11: ...k 47k CG19 RE60 CE11 RG11 CE20 CE17 CG18 RE70 RE81 QG08 RG29 CG61 RE69 CG12 QM13 RM51 RE61 RE32 RM42 CG16 RG71 RG25 CM40 CE71 CG59 RE29 CE69 RE10 RG26 CE66 RE82 QG06 QE07 QG53 CE70 RM45 RE80 QM17 CG17...

Page 12: ...2k 2 7k 5 6k 0 01 0 01 10k 0 01 68k 390p 10k 47k 47k 47k 10k 10k DUMMY DUMMY 0 01 100 50V 180 680 10k 10k 10k 10k 47 6 3 V 47 10k 10k 10k 10k 100 100p 0 01 0 01 0 01 DUMMY JUMPER 10k 560 10 16V 10 16...

Page 13: ...5 75 47p 75 75 75 75 75 10 50V 10 50V 10 50V 10 50V DUMMY 220 0 01 1M 1M 1M 0 01 1M 0 01 JUMPER 10 220k 220 10k 10 50V 2 2 50V 1000p 10k 10 50V 1000p 1000p 10k 10 50V 1M 10k 10k 100p 1k 10 50V 10 50V...

Page 14: ...4 6 5 7 1 3 2 0 01 0 01 10 50V 5 6 8 7 9 1 2 4 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 2 3 1 4 322MHz 27p LC72722 10k 100p 100p 100p 22p 100ohm 100ohm 100ohm 100ohm 10 50V 0 01 DAMMY 0ohm 330p 2SC2458 10k 0...

Page 15: ...MCK ADDATA ADBCK ADLRCK XMCK RDATA RLRCLK RBCK RMCK LRCLKO AUDATA 0 BCKO AUDATA 1 AUDATA 2 AUDATA 3 AUDATA 2 LRCLKO AUDATA 1 AUDATA 3 BCKO AUDATA 0 PIOEN C B E C B E 0 1 10k 0 1 0 1 0 1 0 1 0 1 0 1 0...

Page 16: ...CE_VOLB XSTATE SURR_ON SEL _CEDIR HEAT _XMODE _HEAT_DET _STANDBY _RSTDSP _TU_SD TUDIN VOLCLK RDSDIN TUDIN TUCLK TUDOUT _KILL_RDS TU_MUTE M_RC_OUT RC_OUT M_RC_IN RC_IN DC_OUT2 DC_OUT1 _WRITE DC_OUT1 DC...

Page 17: ...12Q110Q114Q108Q116 Q217Q211Q209Q213Q207Q215 Q218Q212Q210Q214Q208Q216 Q317Q311Q309Q313Q307Q315 Q318Q312Q310Q314Q308Q316 QN04 Q105 Q103 Q101 Q106 Q104 Q205 Q203 Q201 Q206 Q204 Q305 Q303 Q301 Q306 Q304 P...

Page 18: ...E58 QE55 QG08 QG05 QG62 QG61 QM31 QM25 QM23 QM29 QM27 QM21 QM44 QM45 QM26 QM24 QM33 QM32 QM28 QM22 QJ01 QJ02 QG53 QM13 QE03 QE53 QG03 QE11 QS04 QM01 QE01 QS06 QS03 QS05 QS01 QQ03 QQ04 QQ01 QQ02 28 27...

Page 19: ...29 30 PF04 QS10 QF51 QF70 PC04 PC74 PL01 QP02 QC03 QC05 QC02 QP01 PP94 P884 All manuals and user guides at all guides com...

Page 20: ...11 QL07 QL06 QL03 QL08 QL09 QF01 QL81 QL80 QL01 QL02 QL04 QF02 QX05 QX03 QL10 QF03 QL05 QL12 QX04 QX01 QX02 Q803 Q804 Q801 Q802 QN60 QN62 QN55 QN59 QN51 QN54 QN56 QN58 QP91 QP92 P804 All manuals and u...

Page 21: ...33 P854 Q854 Q852 Q823 P864 P894 P874 PC64 PC54 QC51 QC50 All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 22: ...34 P604 A QR01 QD01 QK03 QK05 Q600 Q680 Q681 QU01 QU04 All manuals and user guides at all guides com...

Page 23: ...35 QR02 QR04 QU02 QU06 QU03 Q603 Q601 QR03 QK03 QK02 QK01 P604 B All manuals and user guides at all guides com...

Page 24: ...MD2 Normal H Boot L 126 O _FCS L DSP CHIP ENABLE 127 O _RSTDSP L DSP 128 O _SCS L DSP CHIP ENABLE Pin I O Name Port Note Act 1 O BTMOD L FLASH ROM Address A18 2 I N C PULL DOWN 3 VSS GND 4 NC NC GND 5...

Page 25: ...fil ter response scales linearly with sample rate DIF 12 Digital Interface Format Input The required relationship between the Left Right clock serial clock and serial data is defined by the Digital I...

Page 26: ...SD_DATA14 EXTA17 SDRAM Data Bus SRAM External Address Bus 48 NC5 No Connect 49 SD_DATA13 EXTA16 SDRAM Data Bus SRAM External Address Bus 50 VSSSD3 3 3V SDRAM SRAM EPROM Interface Ground 51 VDDSD3 3 3V...

Page 27: ...t Input Q901 LC72722 99 MCLK Audio Master Clock 100 VDD2 2 5V Supply Voltage 101 VSS2 2 5V Ground 102 I O AUDATA4 GPIO28 Digital Audio Output 4 General Purpose I O 103 I O HDATA4 GPIO4 DSP C Bidirecti...

Page 28: ...5 AGND Analog GND for PLL 16 RMCK O System clock Output for R 256fs 512fs XIN VCO 17 RBCK O I Bit clock Output for R 64fs 18 DGND Digital GND 19 DVDD Digital VDD 20 RLRCK O I LR clock Input Output for...

Page 29: ...capacitor terminal is connected to this lead C2 External capacitor terminal is connected to this lead TIN Transmitter Inputs These leads accept TTL CMOS levels An internal 400k pull up resistor to VCC...

Page 30: ...42 QD01 CS4382 All manuals and user guides at all guides com...

Page 31: ...43 QD01 CS4382 All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 32: ...Reset Terminal RST L Reset Each Address Each RAM Data Display Digits Contrast Control All Display Off All Outputs are L 00 H Unfixed 16 digit 8 16 Dury 61 to 64 1 to 31 S 1 to S 3 5 O Segment Output T...

Page 33: ...nput 12 VDD2 Power supply Composite video signal level adjustment power supply pin analog system power supply 13 CVOUT Video signal output Composite video signal output 14 NC Must be either connected...

Page 34: ...1 2 8 3 X6 M x 6 0 0 3 G PS7 3 0 0 F ONL Y 5 1 2 6 3 X1 0 M x 8 0 0 1 D 5 1 2 8 3 X8 M x 3 HEAT SI NK ASSY 5 1 2 9 4 X1 0 M x 3 0 0 9 L x 1 3 0 0 5 L x 2 0 0 1 L 5 1 2 8 3 X8 M x 3 5 1 2 8 3 X1 0 M 5...

Page 35: ...SW BLACK 320J270040 035B U1G BUTTON POWER SW GOLD 320J270240 009G 03AJ057110 LEG 03AJ057110 055G 03AJ101030 SUPPORT FOR PCB AC OUT 03AJ101030 906G 396B010030 SCREW FOR RS 232C R P 396B010030 915G U BU...

Page 36: ...D E T Y P E X X X X 6 1G and 2G of the FLD is lighted each other Character part of Dot Matrix stays off 7 Dot Matrix part of the FLD lights in the checker pattern Other part stays off 8 Code ID of the...

Page 37: ...from COM1 to COM5 Download Firmware for DSP Mode 1 1 Put the DSP upgrade folder into anywhere on your PC s hard disc 2 Connect PC and the unit with the RS 232C cable 3 Turn on the unit 4 Press ENTER M...

Page 38: ...ection appears If the connection fails error message will appear 8 Click Send button to start update 9 If the firmware is updated successfully a dialog box saying Finished the firmware program sending...

Page 39: ...ble resistors R137 R138 R338 according to the digital voltmeter readings The target setting value is 4 9 mV 0 05 mV for each channels Settings Master Volume Minimum Speaker out No Load Top lid OPEN Ch...

Page 40: ...o default 4 Trouble in EEPROM I F If communication with EEPROM QU70 is troubled more than 2 seconds FLD shows below C H E C K E 2 P I F 5 Trouble in 5V Supply If 5V supply to P604 DSP CPU PCB is troub...

Page 41: ...r supply circuite P854 has any problem To be check 5VL or _P_DOWN signal Supply 24V to PU04 PB04 or Sub Transf LB01 has any problem Can PY04 supply 15V OSD IC QL03 or have no driver QL04 QX04 have any...

Page 42: ...are OK PS04 Audio In orP604 QK30 ADC has any problem no DSP Q600 P604 DIR QR01 P604 no has any trouble yes no yes yes Volume QE11 has any trouble no DSP Q600 or DAC QD01 has any trouble yes DSP Q600...

Page 43: ...lem P604 has trouble DIR Q600 input is no problem Volume QE11 no Pre out has any trouble To be check PS04 yes Q600 or DAC no no no has trouble yes yes yes no DIR QR01 has any trouble To be check signa...

Page 44: ...gital or Analog Confirm 6 1 7 1ch INPUT Mode Confirm S Direct mode to analog input Confirm Test Tone output Confirm Multi Channel Stereo mode to analog input Confirm Multi Channel Stereo mode to PCM i...

Page 45: ...71 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 106 330 F 337 1 F 105 22...

Page 46: ...CAPACITOR 10 50V C103 C104 C107 C203 C204 C303 C304 PLASTIC FILM CAPACITOR 5 50V C107 C108 C207 C208 C307 C308 P104 RESISTORS R137 RA02210760 TRIM 220 VERTI RA02210760 R138 RA02210760 TRIM 220 VERTI...

Page 47: ...EY22600620 TANTL CHIP 22 F 6 3V EY22600620 C611 nsp CER 0 1 F GRM39F104Z16 DK98104200 C612 nsp CER 0 1 F GRM39F104Z16 DK98104200 C613 EY22600620 TANTL CHIP 22 F 6 3V EY22600620 C614 EY22505020 TANTL...

Page 48: ...CHIP 5 6k 5 1 16W NN05562610 R666 nsp CHIP 10k 5 1 16W NN05103610 R672 nsp CHIP 10k 5 1 16W NN05103610 R673 nsp CHIP 10k 5 1 16W NN05103610 R674 nsp CHIP 10k 5 1 16W NN05103610 RD01 nsp CHIP 22k 5 1 1...

Page 49: ...804 CAPACITORS C801 OB15906360 ELECT CAP 35XL60 AUDIO ALH6 BLACK 8724 OB15906360 C802 OB15906360 ELECT CAP 35XL60 AUDIO ALH6 BLACK 8724 OB15906360 C803 OA22803520 ELECT 2200 F M 35V RA 2 OA22803520 C8...

Page 50: ...PUSH SWITCH AC POWER ESB92S17B SP01013800 PC04 FRONT CIRCUIT BOARD PC04 CAPACITORS CC18 nsp ELECT 100 F M 50V RA 2 OA10705020 PC04 RESISTORS RC05 BW05473230 COMPO RKC13BS473J 5 P1 8 BW05473230 RC06 B...

Page 51: ...UN4211 10k 10k BA20001000 QA63 BA10001000 DIG TRS DTA114ES UN4111 10k 10k BA10001000 QT02 BA20001000 DIG TRS DTC114ES UN4211 10k 10k BA20001000 QT04 BA10001000 DIG TRS DTA114ES UN4111 10k 10k BA100010...

Page 52: ...OA10605020 CX05 nsp ELECT 10 F M 50V RA 2 OA10605020 CX07 nsp ELECT 10 F M 50V RA 2 OA10605020 CX08 nsp ELECT 10 F M 50V RA 2 OA10605020 CX10 nsp ELECT 10 F M 50V RA 2 OA10605020 CX11 nsp ELECT 10 F M...

Page 53: ...sp ELECT 47 F M 25V RA 2 OA47602520 CE87 nsp ELECT 47 F M 25V RA 2 OA47602520 CG09 nsp ELECT 22 F M 50V RA 2 OA22605020 CG10 nsp ELECT 22 F M 50V RA 2 OA22605020 CG11 nsp ELECT 22 F M 50V RA 2 OA22605...

Page 54: ...10053090 QM15 HT805501B0 TRS KTC2874 NPN HT805501B0 QM18 QM21 BA10002000 DIG TRS DTA144ES UN4113 47k 47k BA10002000 QM22 BA20002000 DIG TRS DTC144ES UN4213 47k 47k BA20002000 QM23 BA10002000 DIG TRS D...

Page 55: ...METAL ERG1SJ470E 1W NK05470010 R346 RN99 VARISTOR PTFM04BD222Q2N34B0 100C HP00029230 P104 RESISTORS COMMON CARBON FILM FIXED RES 5 1 6W R101 R110 R115 R118 R123 R126 R135 R136 R149 R150 R153 R164 R167...

Page 56: ...F104Z16 DK98104200 C625 CER 0 1 F GRM39F104Z16 DK98104200 C680 CER 0 1 F GRM39F104Z16 DK98104200 C681 CER 0 1 F GRM39F104Z16 DK98104200 C682 TANTL CHIP 100 F 6 3V EY10700620 C683 CER 0 1 F GRM39F104Z1...

Page 57: ...N05562610 RK06 CHIP 5 6k 5 1 16W NN05562610 RK07 CHIP 4 7k 5 1 16W NN05472610 RK10 RK11 CHIP 150 5 1 16W NN05151610 RK14 RK15 CHIP 100k 5 1 16W NN05104610 RK16 CHIP 100k 5 1 16W NN05104610 RK17 CHIP 2...

Page 58: ...M CAPACITOR 5 50V C171 C174 C271 C274 C371 C374 P804 RESISTORS R171 METAL 10 5 1W NK05100010 R172 METAL 10 5 1W NK05100010 R271 METAL 10 5 1W NK05100010 R272 METAL 10 5 1W NK05100010 R371 METAL 10 5 1...

Page 59: ...01 PUSH SWITCH SP01013310 SC23 SKQNAE H 5MM 160 GF ALPS SC24 ROTARY SWITCH ROTARY ENCODER C12E 24PULSE SR02010090 VC01 DISPLAY UNIT CM2071C NORITAKE HQ31606920 PC54 SURR ENCODER CIRCUIT BOARD PC54 RES...

Page 60: ...ORS CF01 ELECT 10 F M 50V RA 2 OA10605020 CF04 CF05 ELECT 470 F M 6 3V RA 2 OA47700620 CF08 ELECT 100 F M 10V RA 2 OA10701020 CF10 ELECT 100 F M 10V RA 2 OA10701020 CF14 ELECT 10 F M 50V RA 2 OA106050...

Page 61: ...KF51 5514 3P S TERMINAL NI YT02030350 JX02 TERMINAL YKF51 5510 2P S TERMINAL NI YT02021320 JX03 TERMINAL YKF51 5510 2P S TERMINAL NI YT02021320 LL01 CHOKE COIL 33uH LAL02TA330J LC13333800 LL02 EMI FIL...

Page 62: ...3 RE44 RE45 RE59 RE62 RE65 RE66 RE69 RE83 RG09 RG12 RG15 RG16 RG19 RG33 RG59 RG62 RG65 RG66 RG69 RG84 RH01 RH32 RJ01 RJ32 RM01 RM04 RM31 RM34 RM37 RM51 RQ01 RQ04 RQ07 RQ12 RQ15 RQ20 RQ23 RQ32 RS01 RS4...

Page 63: ...UR DESCRIPTION PART NO MJI PS04 MISCELLANEOUS JQ01 TERMINAL YKC21 3925 2L4P FG BK NI YT02041350 JQ02 TERMINAL YKC21 3925 2L4P FG BK NI YT02041350 JS01 TERMINAL YT02060660 JS04 YKC21 3796 2L6P FG W R N...

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