Yamaha R-2000 Service Manual Download | Manualshive

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Summary of Contents for R-2000

Page 1: ...ORY BUTTON TUNING BUTTON BAND SELECT BUTTONS PHONES JACKS SPEAKERS SELECTOR SUBSONIC FILTER SWITCH HIGH FILTER SWITCH BASS CONTROL PRESENCE CONTROL TREBLE CONTROL SPATIAL EXPANDER CONTROL PRE MAIN COUPLER SWITCH REC OUT SELECTOR PHONO SELECTOR BALANCE CONTROL LOUDNESS CONTROL MODE SWITCH FM MUTING SWITCH RX MODE SWITCH _CONTENTS REAR PANEL INTERNAL VIEW DISASSEMBLY PROCEDURES MEASUREMENT AND ADJUS...

Page 2: ...PEAN MODEL 0 GROUND TERMINAL f AUX I NPUT JACKS TAPE 1 PB REC JACKS GTAPE 2 PB REC JACKS SPEAKERS TERMINAL AC OUTLETS PHONO I NPUT JACKS fI FM ANTENNA TERMINAL 75m I FM ANTENNA TERMINAL 300n AM GROUND TERMINAL cii oo tJ IH rn 0 jd d m j d j d AM ANTENNA TERMINAL PRE OUT MAIN IN JACKS POWER CORD VOLTAGE SELECTOR ...

Page 3: ...G I AMP CIRCUIT BOARD AM LOOP ANTENNA TUNER CIRCUIT BOARD FRONT END PACK PK101 fI MAIN CIRCUIT BOARD 3 Pin Jacks CONTROL CIRCUIT BOARD 6 Phones Jacks CONTROL CIRCUIT BOARO 2 CONTROLCIRCUIT BOARD 4 CONTROL CIRCUIT BOARD 1 MAIN CIRCUIT BOARD 4 MAIN CIRCUIT BOARD 2 CONTROL CIRCUIT BOARD 3 CONTROL CIRCUIT BOARD 5 2 Bottom Cover Removal Remove the screws CD to jj in photo 2 and then remove the bottom c...

Page 4: ...rd 4 Removal a Remove the plastic rivets and CID in photo 4 and then remove the Main C Board 4 b Detach the lead wires which are attached to the Main C Board 4 6 Control C Board 3 Removal a Remove the Main C Board Refer to step 4 and 5 b Remove the plastic rivets to CID in photo 4 and then remove the Control C Board 3 c Detach the lead wires which are attached to the Control C Board 3 7 Control C ...

Page 5: ...d wires which are connected to the I AMP C Board b Remove the screws jj and jJ in photo 3 and then remove the heat sink c Remove the screws CD to in photo 6 and then remove the I AMP C Board L and R channel are common 13 Main C Board Removal a Detach the lead wires connectors and remote rotary switch which are connected to each C Boards b Remove the sub schassis unit toward yourself to according t...

Page 6: ...tch on ADJUSTING POINTS Tuner C Board 1 Do not forget to keep the bottom cover on Abbreviation of Instruments FM S G FM Signal generator DM Digital multimeter OSC Oscilloscope DIST M Distortion meter C Frequency counter ST SG Stereo Signal generator VRIOI FM Stereo Distortion Adjustment AM Sensitivity Adjustment Low Frequency Range FM Stereo Distortion Adjustment I F Frequency Adjustment FM FRONT ...

Page 7: ...r full Same as step 6 Same as step 8 VR108 Adjust so that LED of Check that scale adjustment Stereo L R 1 kHz signal meter is at full LED is not 100 modulation scale out at de tuned point S curve offset same as step 3 Adjust over again from check step 3 when S curve off set is not found to be with in specified value Check that IF MODE Switch becomes AUTO Step Adjustment item Frequency display adju...

Page 8: ...t R I I I I Adi nment External VR sett ing MANUAL setting S curve center check IF frequency ad justment Terminals to be connected I Instrument Adjustment t IIquired IliCation OSG Connect dummy AM SG 450 00kHz antenna to ANT 1 OOdB L 120dB L terminal output Lor R Same as step 3 E terminal Lowest receiving frequency adjust ment Highest receiving frequencyadjust ment Same as step 3 Low frequency rang...

Page 9: ...horted Aux Tape Input Shorted Main In Input Shorted Signal tO Noise Ratio New IHF Phono MM Phono MC Aux T ape Main In Residual Noise lH F A Network Channel Separation I kHz vol 30dB 5 1 kn Aux Tape to Other Channel Phono MM to Other Chann Tone Control Characteristics Bass Iboost cut Treble boost cut Center Frequecies Bass Treble Presence Control Range Center Frequency Filter Characteristics Low Su...

Page 10: ...SISTOR f i f r r f PRE SET STATION f f f g OR 47k1l220pF I 2 47k1l1OOpF 3 laOkO 100pF I 4 MC AMP TUNER AUX TAPE I TAPE 2 r OJ M I SUBSONIC FILTER I SPATIAL HIGH FILTER EXPANDER SW ON aFF MODE FLAT AMP I SW BASS ON PRE SENCE TREBLE MONO PREOUT FROM TUNER SECTION DAMP INPUT SELECTOR PHONO Reh STEREO MAIN IN PRE MAIN COUPLER AU RECOUT PHONO I SELECTOR OFF SPATIAL EXPANDER Ii Ii Ii DISPLAY FILAMENT tl...

Page 11: ...UALIZER AMP I AMP C BOARD NAO7588 A NAO7589 U STABILIZED POWER SUPPLY _ 0 0 SIGNAL CONTROL TUNER CONTROL PATI XPANDER il l SPATIAL Xf A NDER PRE MAIN COUPLER REC OUT PHONO BALANCE LOUDNESS CONTROL BOARD 5 j riJ AUTO PHONe TAPE 2 TAPE 1 AUX TUNER PHONe BE L l J Lt J VR605 INPUT n MAIN u C BOARD 4 VOLUME ...

Page 12: ... 250V y J y J to POWER SW to POWER TRANSFOMER I I EUROPEAN e BRITISH MODELS TERMINAL BRITISH MODEL ONLY FUSE CONTROL BOARD 6 WI T4 0A 250V OR G RE B y to POWER SW to POWER l____ TRANSFOMER Except BRITISH MODEL MAIN C BOARD 5 6 B2 a t o D4a7 0430 TR 11888 R I6O L L jL JL 431 14 82 ff E 11 170 Ii B 8 81 PHONES SPEAKERS ON t OFF I OFF SUB SONIC H H WH FILTER BASS PRESENCE TREBLE SPATIAL EXPA PRE j CO...

Page 13: ...7 25CI509 25C1983 I I I g a a I 51 I I I I II lEI R631 OK R6321 CBlO 2SK19 25KJ 70 250400 2SA999 25C2320 250655 25A970 258737 2SA933 2S0786 1740 258544 E C TR6012 0 151555 01152473 X2 0603 R622 R623 D604j 1 UK I 0 8 1 IC PIN Pilot canselingl AD 0801 H 151555 01152473 TING I MV12 S6K20 TJ 151555 HZ78 152473 R03 OE82 W06C HZ118 15862 HZ1283L 151885 HZ6A L Z HZ6C 1 L HZI6 HZI8 ox La FB H SL 1 IN1 E D...

Page 14: ... CI35 lOOK 1 1 1 270 I R142 IOK GND I AM AM High f equency I range sensitivity ADJi M L f Ir _sen i _ vit iJ I TING IC105 LA 1245 r _ J _ I PHOItIO PJ1o R220 lOOK 2SC2 Ot2SC1 TRe LI SL I 0241 2 2 5fJ C257 4fO 47 30 R221 BALANCE LOUDNESS FLAT AM r i o c I 1 PRE OUT PJ102 2 t 22 C214 IM 120 I _ w tt 9_ C2_ L______ 7 200248 2 R318c 2 16 5fJ 2 2 00 L _ I TUNER I PA PR PO PL VR CO 1T ...

Page 15: ...55 or152473 772 C707 10 0 D115OO i 0 011500 B 1 I I II r c I All voltages measured with a 10MaN DC electric Volt meter no signal condition BAND SELECT BUTTONS FM RX MODE Auto MUTING ON The voltages in the tuner seetin are measured at FM reception mode Only the voltages at TR113 TR124 IC10S and 107 are measured at AM reception mode Schematic Diagram is subject change without notice 10 50V r UN SWIT...

Page 16: ...CAPACITOR IS POLYESTEL FILM CAPACITOR S A CAPACITOR or SBL CAPACITOR CAPACITOR PHONO TUNER NORTH EUROPEAN MODEL AUSTRALIAN BRITISH MODELS OOII2SC 0 01 ROA SOV C I 2 GA6467 L_ _ BEA CWH POWER SW A C POWER SW III AC iii AUSTRALIAN MooEL ONLY iii VR CE Of A4211 220 OFF 4 6 STABILIZEDPOWER 2SCI983 00 44_5 TR404 15 2 27 r GA6465 I p YE I 1 I I I I I I I 120V I I I I I I I I I I I go OR 110 SWITCHED I L...

Page 17: ... 11 129 11 12 3 12 123 II 8 II 8 130 2 5 12 12 12 12 12 12 12 131 12 12 12 12 II II II II 12 132 12 12 12 12 12 12 12 12 12 133 12 12 134 I 04 I 04 10 9 3 1 04 10 10 10 10 10 10 135 12 12 12 12 12 12 10 10 10 10 10 10 136 12 12 12 12 12 PHOTO 137 139 004 141 4 a 143 P N FM Mono I C 5 1 8 I 0 I pC577H 1 88 I 0 2 pc577H 12 12 I 0 3 I G02920 10 IC 104 4 80V 12 10 10 IC 105 LA 1245 10 12 1 64 1 07 FM ...

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