Service SR2100/ N1S, /C1S Manual Tuner Amplifier STANDBY OPEN/CLOSE MULTI JOG (PUSH ENTER) VOLUME PHONES TUNER MODE TUNER BAND MEMORY DISPLAY TIMER STANDBY OPEN/CLOSE SR2100 TABLE OF CONTENTS TECHNICAL SPECIFICATION ................1 BLOCK DIAGRAM ....................2 SCHEMATIC DIAGRAM AND PARTS LOCATION ..........3 SERVICE MODE ....................
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MARANTZ Parts for your equipment are generally available to our National Marantz Subsidiary or Agent. ORDERING PARTS : Parts can be ordered either by mail or by Fax.. In both cases, the correct part number has to be specified.
1. TECHNICAL SPECIFICATIONS FM TUNER SECTION Frequency Range ............................87.5 - 108.0 MHz Usable Sensitivity ..........................IHF 1.8 V/16.4 dBf Signal to Noise Ratio ........................Mono/Stereo 76/72 dB Distortion ............................Mono/Stereo 0.2/0.3 % Stereo Separation ............................. 1 kHz 45 dB Alternate Channel Selectivity ........................
4. SERVICE MODE 1.Tracking po int memory of present memory L / CD segment luminou s Connect an AC cable plug to mains whil e pressing <DISPLAY>and <ENTER> Turn JOG Turn JOG Turn JOG Press <ENTER> PUSH PUSH PUSH SERVICE -OFF- ENTER ENTER...
5. AUDIO ADJUSTMENT Main Amplifier Idle Current Adjustment 1. Test Point: Lch: U299 (+), U300 (-) or R737, 0.18 oh ms X2 Rch: U297 (+), U298 (-) or R738, 0.18 ohms X2 2. Adjust Resistor Lch: R719, Rch: R720 3. Procedu res (1) Before switching the power ON, do no t input sign al to inpu t terminal.
6. TUNER ADJUSTMENT 1. AM auto stop Level Check Sou rce Sign al Inpu t Signal Sign al Reception Adjust. Adjustment Step Outpu t Level and P–No. Conn ection Frequ ency Frequ ency po int Value Modu lation “TUNED” Sign al generator Level 54 dB/m 999 kHz ind icates on...
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2.3 FM STEREO Distortion Adjustment Adjust the L-channel with the RF sign al mod ulated on ly L-chann el first and con firm the R-chann el with RF signal modu lated on ly R-chann el. Inpu t Signal Sign al Sou rce Sign al Outpu t Reception Adjust.
7. IC DATA QU51:NJU6450A PIN FUNCTION BLOCK DIAGRAM Page Address Register I / O Buffer Page Address Decoder ~SEG ~COM Line Decoder Line Counter E (RD) Common Displey Timing Timing R/W (RD) Staet Line Register Generator Generator PIN CONFIGURATION NJU6450A...
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QU01 : MB90583B PIN FUNCTION Pin PORT Name of port Desc ription P20/A16 P-DOWN Power Detect LOW:SUB-CLOCK Power Detect=H P21/A17 ANA .SW/PLL /RDS CLOCK Active H P22/A18 ANA .SW/PLL /RDS DATA OUT Active H Q351:LC72722M P23/A19 ANA .SW/PLL .RDS CE Active H BLOCK DIAGRAM P24/A20...
9. ELECTRICAL PARTS LIST NOTE ON SAFETY FOR FUSIBLE RESIST OR : ASSIGNMENT OF COMMON PARTS CODES. RESISTORS The suppliers and their type numbers of fusible resistors are as 1) GD05 x x x 140, Carbon film fixed resistor, 5% 1/4W follows ;...
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POS. VERS. PART NO. POS. VERS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR COLOR (PCS) (PCS) (MJI) (MJI) PB04-BACK UP POWER PU04-CAPACITORS(COMMON) SUPPLY CIRCUIT BOARD PLASTIC FILM CAPACITOR PB04-CAPACITORS 5% 50V : CU08 CU15 CB01 9965 000 06706 CER. 0.01 F DK17103910 CB02...
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VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) QU20 9965 000 08323 IC S-80843ALNP-EA7-T2 HC10098530 QU51 9965 000 08223 IC NJU6450A HC10215090 QU31 QU53 4822 130 61553 SEMICON.COMP BA21303000 4822 130 61541 CHIP TRS.
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VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) CN04 4822 124 41539 ELECT 47 F M 16V OA47601620 C505 4822 124 90357 ELECT 2.2 F M 50V OA22505020 CN05 4822 122 40617 CER.
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POS. VERS. PART NO. POS. VERS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) R725 D503 N 4822 130 32362 DIODE 1SS176 MA165 1SS254 HD20002000 4822 050 26809 5% 1/6W GG05680160 30V 0.1A R730 D504 4822 130 32362 DIODE 1SS176 MA165 1SS254 HD20002000...
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POS. VERS. PART NO. PART NO. DESCRIPTION COLOR (PCS) (MJI) Q712 4822 130 11033 TRS. 2SC5196 R OR O HT351962A0 Q713 4822 130 11034 TRS. 2SA1939 R OR O HT119392A0 Q714 4822 130 11034 TRS. 2SA1939 R OR O HT119392A0 Q717 4822 209 83732 IC AN7062 V-AMP IC HC10066020...
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