
ServiceManualPlease use this service manual with referring to the user guide (D.F.U) without fail.285W855010 AO3120 785 22170First Issue:1999.10SR500
12IC35IC41IC34IC36Q306, Q305Q304, Q303IC42IC38, IC37IC39IC32IC31IC33Q302, Q301Digital In / DSP Board
1314Digital Input / DSP
15 16Tuner (/N1)
17Q14IC1Q12, Q11IC2IC4Q13IC3, IC5Q16, Q15, Q17Tuner Board
18Q14IC1Q12, Q11IC2IC4Q13IC3, IC5Q16, Q15, Q17Tuner Board
1920Tuner (/K1, /U1)
21 22Video Input SpeakerS-VHS Inputu-Com Power Supply / Standby
2324IC21Q252, Q251IC25Q255Q254Q253Q903Q901Q902Video Input BoardSpeaker BoardS-VHS Input Boardu-Com Power Supply / Standby Board
25 26FrontS-VideoPower SW.HeadphoneTone Control
2728Q718Q704Q706Q710Q703 Q705Q711Q708 Q707Q712 Q713IC72IC71Q715Q716Q717Q709IC81Q277Q278Q292IC27Q291Q293IC28Q282Q281Front BoardPower SW. Board(/U1)He
MARANTZ DESIGN AND SERVICEUsing superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound.Only orig
29 30Power Amp
31 32Power Amp BoardQ627 Q512 Q562Q647Q542Q517Q557 Q582Q642Q622 Q630Q515 Q585Q650Q545Q520 Q580 Q585 Q645Q625Q628 Q543 Q513 Q583Q648Q518Q558 Q5
VDD1RAMCENRAMA16RAMA15SDIB0SDIB1SDIB2XIXOVSSAVDDSDIB3TESTTESTAVSSVDD2SDOA2SDOA1SDOA0RAMA14RAMA13RAMA12RAMA11RAMA10VSSVDD1OPORT0OPORT1OPORT2OPORT3OPORT
PIN NO. SYMBOL DESCRIPTION1 VDD + 5V POWER SUPPLY.2~3 SW A.B SURROUND ENCODER CONTROL BY THE UP/DOWN.4 SPK ON/OFF SWITCHING THE SPEAKER OUTPUT.5 PDN &
37 386. ADJUSTMENT PROCEDUREALIGNMENT INSTRUCTIONS(1) EQUIPMENT NEEDED AM Standard Signal Generator FM Standard Signal Generator Oscillosc
(7) AM, FM AUTO LEVEL ADJUSTMENTSignal Generator : Connect to FM Ant. (FM 75 ohm) throughthe dummy.Connect to the AM Ant. Coil thriugh the Loop antenn
POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)1 /K1/U1 WINDOW FIP 285W1580201 /N1 WINDOW FIP 285W1580102 nsp SHEET ORNAMENT nsp3 BLK 99
4142(/U1)(/N1/K1)(/K1/U1)(/N1)
ASSIGNMENT OF COMMON PARTS CODES.RESISTORSR 1) GD05 x x x 140, Carbon film fixed resistor, 5% 1/4WR 2) GD05 x x x 160, Carbon film fixed resistor, 5%
POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI) RESISTORS R233 nsp 10 1/5W J
11. TECHNICAL SPECIFICATIONSFM TUNER SECTIONFREQUENCY RANGE ...
46POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)BN81 nsp SHIELD WIRE PITCH 2.5MM nspBN8
47POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)C359 nsp ELECT 10 F 50V nspC360 nsp
48POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)R168 nsp 470 1/5W J nspR169 nsp 1
49POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)R425 nsp 1k 1/5W J nspR430
50POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI) INTEGRATED CIRCUITS IC01 4822
51POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)C230 nsp CER. 470pF 50V K nspC231 n
52POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI) MAIN (CUP11256)CIRCUIT BOARD C
53POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI) TRANSISTORS Q953 4822 130 1162
54POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)C521 nsp CER. 680pF 50V K nsp
55POS.NOVERS.COLORPART NO.(PCS)DESCRIPTIONPART NO.(MJI)R671 nsp 1k 1/5W J nspR675 R676 nsp 2.2k 1/5W J nspR680
22. WIRING DIAGRAM
3 43. BLOCK DIAGRAM
4. SCHEMATIC DIAGRAM AND PARTS LOCATIONMain56
7 8Q978Q974Q977Q973Q976Q972Q975Q971Q953Q955Q956Q957Q962 IC95 IC96 IC97 IC45 IC48 IC46Q966Q967 IC47Q965Q964Q963Main Board
9 10Audio Input / Volume
11Audio In / Volume BoardIC11Q150, Q149Q148Q147Q185, Q186, Q187Q188, Q189, Q190IC15, IC16, IC17IC13
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