Marantz F1N Service Manual

SR7400 / PS7400Part no. 37AW855010First Issue 2003.11ecmPlease use this service manual with referring to the user guide ( D.F.U. ) without fail.Servic

1094. BLOCK DIAGRAM

11 125. SCHEMATIC DIAGRAMINPUT PCB

1413CONVERTER PCB

15 16DSP PCB - 1/2

1817VIDEO PCB

19 20FRONT PCBENCODER PCBH/P PCBPUSH S/W PCBINLET PCBRC232C PCBST-BY PCB

2221AMP PCB

23 24COMPONENT PCBSBLR PCBPREOUT PCB

2625POWER PCB

27 28DSP PCB - 2/2

MARANTZ DESIGN AND SERVICEUsing superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound.Only orig

30296. PARTS LOCATIONRS232CIC91ENCODER & TACTQ806Q802IC11 IC12 IC15 IC14IC17 IC18IC31 IC32IC21 IC29IC28IC30IC24 - IC27IC22 IC19QC12 QC11QC10IC23IC

31 32ST-BYIC84 IC85Q804Q805DSP BIC20 IC16

3433FRONTIC81Q801Q803IC83IC12H/PPUSH SWINLETTUNER [PS only]

35 36COMPONENTIC12 IC13Q102Q101 IC14AMPQ719Q721Q620Q622Q619Q621Q520 Q522Q519 Q521 Q420Q422Q715 Q707 Q713 Q709 Q711 Q717Q616 Q608 Q614 Q610 Q612 Q618Q6

3837IC38 IC40IC33IC23IC21IC32IC22IC28 IC30IC29 IC31IC25IC24IC41IC34 - IC37Q222 - Q226 Q241Q215 - Q219 Q240Q221 Q220Q237 - Q239Q201 - Q207Q208 - Q214

39Q601 Q602 Q603 Q604Q610 Q609 Q608 Q616 Q607 Q606IC61 IC62POWERIC64IC63Q615 Q611Q614 Q612Q613

40IC80 IC79IC82IC75IC77IC72IC73IC76VIDEOIC74 IC71IC81IC78Q705 - Q707Q712 Q711 Q710 Q708Q703 Q704Q702 Q701IC09

41CONVERTER AIC19IC14IC18IC16IC17IC15IC13IC12IC11Q106Q110Q112Q101Q104Q113Q117Q120Q100Q118Q119Q108Q114Q115Q116CONVERTER BQ107Q109Q111Q105Q102 Q103

427. IC DATARX6/UI10MicrocontrollerI/FCL40CE39DI38SelectorRX13InputRX02RX24RX35RX48RX5/VI9Demodulation&Lock detectPLLRDATA21ClockSelectorC bit , U

43IIIIIIIIOIIIIIIIIIIIOIOI/ORST124FILT+M/S223REFGNDLRCK322VCOMSCLK421AINR+MCLK520AINR-VD619VA GND718GNDVL817AINL-SDOUT916AINL+DIV10 15TSTHPF11 14M1DIF

11. TECHNICAL SPECIFICATIONSFM TUNER SECTION [SR7400] Frequency Range...87.5 - 108.0 MHz Usable Se

44Parallel or SerialHost InterfaceExternal MemoryInterfaceInternal Bus32-Bit DSPProgrammableMultistandardAudio DecoderCompressedAudioInterfacePLL Cloc

4599 MCLK Audio Master Clock100 VDD2 2.5V Supply Voltage101 VSS2 2.5V Ground102 I/O AUDATA4, GPIO28Digital Audio Output 4, General Purpose I/O103 I/O

46IC23 : CS4382

47IC23 : CS4382

48PinPort mode = 7I/O Use STBY NamePort SettingNoteAct. init1 PG3 I/O O I BTMOD L L FLASH ROM Addres (A18)2 PG4 I/O I I N.C - - PULL DOWN3 VSS I - -

49PinPort mode = 7I/O Use STBY NamePort SettingNoteAct. init72 P27/PO7/TIOCB5/TMO1I/O O I FLRA_ON H L SPK A SELECT73 P26/PO6/TIOCA5/TMO0I/O O I FLRB_O

50No. SYMBOL I/O F U N C T I O N57 VDD - Power Source : VDD=+3.0 to 5.5V49 V SS - GND : VSS=0V48 VFDP -VFD Driving Power Sourse VDD-20V to V

51 52Pin FunctionsPin No. Symbol Function Description1VSS1 Ground Ground connection (digital system ground)2 XtalINCrystal oscillator connectionUsed t

5453(L, U ONLY)MEMORYF/PCLEARMODETUNING36F, U OnlyN OnlyF, K, N, S OnlyL, U Only10123458189121113141517163130322921333435201976222324252627283738N Onl

55POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART NO. (MJI) 1 /N1S 28AW154030 28AW154030 KNOB MASTER KNOB (SILVER) HGK1A090XA 1 /N1B/U1B 28

2Surround Mode Input Signal DecodingOutput Channel Front information displayL/R CSL SBLSubWSignal format indicators Channel statusSR SBRAUTO Dolby Su

56POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART NO. (MJI) 28 /F nsp nsp PANEL REAR PANEL F1N CKF4A273Z 28 /K nsp nsp PANEL REAR PANEL

579. POWER AMPLIFIER ADJUSTMENTIdling Current Alignment1. Each of the measurement points are provided with the two test points. Set a digital Voltage

5810. SERVICE MODEMicroprocessor (IC28), DSP(IC20 )Version and FLD Segment Check Mode. 1. While the power is on, S-DIRECT, TAPE and SELECT buttons si

59Note : Step4, 5 is to check if CPU software is capable of DSP code. "Software Type No" is to show what "DSP Code Group" CPU is c

6011. SYSTEM ERRORWhen the microcomputer detects a trouble, the following information is displayed on the FLD. • After the error contents indication,

6112. UPDATE FIRMWARESoftware for CPU and DSP can be updated.Have *SR7400CDR update disc.There are two mode of download, regarding to the target of so

62 3. Insert a thin rot to the hole and push the switch (SW10) inside to turn on the switch. 4. Turn on the power of the unit. (Confi rm that the sta

6313. ELECTRICAL PARTS LISTThe suppliers and their type numbers of fusible resistorsare as follows;1. KOA Corporation Part No. (MJI) Type N

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.64POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.65POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

3サラウンドモード入力信号 再  生出力チャンネル前面表示L/RCSLSBLSubW信号フォーマット表示 プログラムチャンネル表示SR SBRAUTO Dolby Surr. EX Dolby Digital EXOOOOO2 DIGITAL L, C, R, SL, SR, S, LFEDolby

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.66POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.67POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.68POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.69POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.70POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.71POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.72POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.73POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.74POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.75POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

42. TECHNICAL DESCRIPTIONDTS was introduced in 1994 to provide 5.1channels of discrete digital audio into home theatersystems.DTS brings you premium q

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.76POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.77POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.78POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.79POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.80POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.81POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.82POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.83POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.84POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.85POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

5Dolby Pro Logic IIx is fully compatible with DolbySurround Pro Logic technology and can optimallydecode the thousands of commercially availableDolby

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.86POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.87POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.88POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.89POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.90POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.91POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.92POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.93POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.94POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.95POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

6Personal notes:

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.96POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.97POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.98POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.99POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.100POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.101POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.102POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.103POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.104POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.105POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

7 83. WIRING DIAGRAMSR onlyPS onlyPS onlySR onlyF, K, N, S onlyL, U onlyINLET

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.106POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.107POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.108POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.109POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.110POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.111POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART

NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.112POS. NO VERS.COLORPART NO. (FOR EUR) DESCRIPTION PART