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Now downloading free:Technics SA-AX540

Download Technics SA-AX540 docs - Audio equipment,digital audio, home audio, professional audio systems service manuals and repair information

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Original Chassis:SA-AX540
Group:Electronics > Consumer electronics > Audio >
Uploaded:2004-04-22 09:15:47
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SA-AX540.pdfService Manual TOP NEXT Order No. MD0004067C1 A2 AV Control Stereo Receiver SA-AX540 Color (K) ... Black Type P ... U.S.A. PC ... Canada FM Tuner Section Frequency range Sensitivity 50 dB quieting sensitivity MONO STEREO Total harmonic distortion MONO STEREO S/N MONO STEREO Frequency response Alternate channel selectivity Capture ratio Image rejection at 98 MHz Spurious response rejection at 98 MHz AM suppression Stereo separation 1 kHz 10 kHz Antenna terminal 40 dB 30 dB 75 (unbalanced) 73 dB 67 dB 20 Hz-15 kHz,+1 dB, -2 dB 65 dB 1.5 dB 40 dB 75 dB 50 dB 0.2% 0.3% 18.3 dBf (4.5V, IHF'58) 38.3 dBf (45V, IHF'58) 87.9-107.9 MHz 11.2 dBf (2V, IHF'58) AM Tuner Section Frequency range Sensitivity Selectivity IF rejection (at 1000 kHz) 530-1710 kHz 20V, 330V/m 55 dB 50 dB Video Section Output voltage at 1 V input (unbalanced) 10.1 Vp-p Maximum input voltage Input/output impedance 1.5 Vp-p 75 (unbalanced) Amplifier Section Rated minimum sine wave RMS power o
schac3.pdfSCHEMATIC DIAGRAM-8 : +B Line : -B Line AC-3 CIRCUIT D JK353 L TV R302 75 R DVD R301 75 L R362 75 R374 10K C C329 47P R R359 75 D C330 47P C373 16V47 E R303 75 VCR1 IN R486 1K C483 330P R373 10K R485 C482 100K 50V3.3 A B C IN3 1 <0V> C1 2 <4.58V> 3 <0V> IN2 4 <0V> C2 5 <-0.02V> O2 GND2 GND1 6 7 <-0.01V> <-0.01V> C355 0.1 C374 16V47 R375 10K B 14 -V E <-5.03V> <0.01V> A <4.08V> <4.94V> C375 16V47 Q351 2SD592AQSTA<-0.87V> <0V> REGULATOR <-0.18V> C354 0.1 C309 6.3V100 C357 0.01 <0V> Q351 R371 22 <0V> <0V> 13 C3 12 11 10 IN1 C4 O1 9 NC 8 +V R369 1.8K VCR1 OUT D351 MTZJ5R6BTA C351 6.3V100 IC351 D352 MTZJ5R6BTA C308 6.3V100 <-5.61V> <-5.06V> Q352 REGULATOR C352 6.3V100 R370 1.8K TV MONITOR OUT JK351 C358 0.01 <-15.79V> R372 22 1 2 3 4 5 6 7 NJM2279D VIDEO SELECTOR D353 RVD1SS133TA IC351 CN401 GND SWI GND V_B V_A SW_EXT SR_EXT 2SB621AQSTA Q352 R367 1K R368 1K C393 50V3.3 <14.24V> TO MAIN CIRCUIT (CP401) ON SCHEMATIC DIAGRAM-1 D354 RVD1SS133TA <-0.01V> <0.01V> C391 50V
schlogic.pdfSCHEMATIC DIAGRAM - 9 : +B Line : -B Line : Main Signal Line PRO-LOGIC CIRCUIT R1013 4.7 C1041 Q1001 R1012 1K D1001 MTZJ10CTA C1040 16V10 <10V> C1039 16V220 L1001 100uH M C471 50V4.7 C1044 16V220 R C1008 R1063 3.3K 0.1 2SC3940AQSTA REGULATOR 0.01 <13.87V> TC9162AN IC1004 Q1001 <9.38V> SIGNAL SELECTOR R473 1K <14.23V> C473 0.01 28 VDD R1003 C1042 2200P 2.2K C472 50V4.7 C474 0.01 VSS C1010-C1013 16V10 C1011 C1012 C1013 16V 220 C1010 C1014 50V 1 1 <-14.92V> <4.59V> R1006 18K <4.59V> C1032 0.1 C1005 16V 220 <4.59V> <4.59V> C1009 R474 1K <9.13V> <4.59V> <4.58V> <4.56V> <4.54V> <4.57V> <4.58V> <4.58V> <4.58V> <4.59V> C1031 0.1 <4.59V> <0V> C_OUT S_OUT R_OUT L_OUT Vref 1 <4.57V> 2 3 4 5 6 7 8 Vcc 9 10 11 12 13 14 15 16 AC_GND R_IN L_IN S_IN DELAY_OUT C1064 50V1 C1045 0.1 C1043 50V2.2 R1005 39K 64 63 C1030 C1029 C1028 C1027 C1026 C1025 C1024 C1023 C1022 C1021 C1020 C1019 C1018 C1017 50V 0.47 50V 4.7 50V 0.47 50V 4.7 50V 0.15 50V 3.3 0.15 0.15
schmain1.pdfSCHEMATIC DIAGRAM-1 : +B line : -B line : Main signal line : FM/AM signal line MAIN CIRCUIT AN6558F IC451 R463 12K R459 68 C461 6800P R461 180K C459 0.022 1000P C455 C463 50V4.7 PHONO EQ IC E401 C406 100P JK401 L CH PHONO 3 R CH 2 C466 0.01 C465 0.01 1 R451 220K C457 10V33 C458 10V33 R458 270 R455 56K C453 100P 4 3 2 1 IC451 R456 56K C454 100P <0.05V> 5 6 <0.05V> 7 8 <-0.11V> <14.24V> R466 56K r R452 220K R454 820 CP401 GND 1 SW_OUT 2 GND 3 V_SELB 4 V_SELA 5 SW_EXT 6 SR_EXT 7 CP402 SL_EXT C_EXT L_EXT R_EXT -14V +14V AGND C452 50V4.7 R460 68 C462 6800P R464 12K C456 1000P C460 0.022 R462 180K C464 50V4.7 TO AC-3 CIRCUIT (CN401) ON SCHEMATIC DIAGRAM-8 f e f h R465 56K R457 270 <0.05V> <-0.11V> <0.05V> R453 820 C451 50V4.7 <-14.95V> q l C580 R580 16V22 680 + <14.97V> <-14.96V> NJM2060D n p q r BUFFER AMP <0V> IC602 C577 0.01 <0V> <0V> NJM4580DD BUFFER AMP <0V> <0V> <0V> <0V> 5 6 7 l k m C582 560P R572 680 C574 1000P R574 2.7K <0V> 10 9 8 IC652 R
schmain2.pdfSCHEMATIC DIAGRAM-3 : +B line : -B line : Main signal line : FM/AM signal line <-9.25V> C537 16V10 SR3 R535 2.7K <0V> R537 10K <0V> <0V> <-0.01V> 10K 4.7K Q605 10K Q605 Q651 <-0.01V> RVTDTA114EST REGULATOR Q551 Q552 <0V> R595 1K C535 0.1 R550 8.2K R545 680K a b c d <-0.37V> <-8.23V> 10K 4.7K <-15.4V> R596 1K <-15.4V> <-6.16V> 10K <-0.37V> <-0.05V> <-0.88V> <-0.92V> <-7.64V> R621 <-6.3V> 6.8K 10K 4.7K R698 3.3K R613 3.3K <-0.91V> R614 2.2K n C703 75V7500 f h g e r R443 56 C704 75V7500 g h e <4.45V> R639 100K 10K 10K R623 <-6.17V> 6.8K <-0.01V> <-0.91V> 10K 4.7K C586 16V10 R586 10K R584 2.7K <0V> <0V> <-27.7V> Q554R598 1K <-15.4V> b Q551,552,553,554 R597 1K <0V> Q603 <-1.14V> <-1.012V> Q601 2SD1915FTA MUTING CONTROL a c d R640 1K R615 1K Q601,602,603 Q723 RVTDTA114YST SHORT DETECTOR C3 R585 10K C585 16V22 Q553 R583 2.7K <-15.4V> <0V> C572 16V22 D618 R699 MTZJ18CTA 2.2K RVTDTC114YST SHORT DETECTOR bp d a m Q725 <5.07V> <-0.01V> <-0.01V> 10K 47K
schpanel.pdfSCHEMATIC DIAGRAM-5 : +B Line : -B Line : Main Signal Line PANEL CIRCUIT CP901 HP_GND HP_L HP_R FL_AC1 1 2 3 4 5 6 7 8 9 10 C926 330P C925 330P C916 50V1 C920 50V1 R922 4.7K R943 1K I i r A B C R930 R929 100 100 C910 50V22 54 53 FL901 FL901 RSL0254-F FL DISPLAY 41 40 39 38 37 36 35 34 33 C930 330P TO MAIN CIRCUIT (CN901) ON SCHEMATIC DIAGRAM-2 FL_AC2 VP LIMITTER AF_MUTE N.C RELAY C912 D903 MTZJ4R7BTA 50V22 C913 50V10 C914 50V10 R907 100K 50 49 48 47 46 45 44 43 42 C929 330P C928 330P C927 330P Q901 <4.89V> <0V> D923 RVD1SS133TA <0V> C903 0.01 R911 100K R944 100K R945 100K A b K J B C D E F G H I J C924 330P C923 330P C922 330P C921 330P RVTDTC114YST r RESET CONTROL R910 1K <4.88V> Q901 K <-23.51V> <-23.58V> <-23.57V> <5.11V> L <-14.96V> <-14.95V> M <-12.06V> N <-23.59V> O <-23.58V> P <-23.57V> Q <-17.8V> SEG7 R <-14.94V> A <4.9V> <0V> <0V> <0V> B E I <-23.58V> <-23.56V> <-23.55V> <-23.57V> <-23.57V> C D F <-23.56V> G H J Y g f e W X V S a D E F d
schpower.pdfSCHEMATIC DIAGRAM-11 : +B line POWER CIRCUIT CN752 MTZJ6R8BTA D756 Q753 C755 16V47 16V1000 <6.65V> C757 16V10 <9.51V> C753 C752 0.01 D752 D751 1 3 D755 RVD1SS133TA TO MAIN CIRCUIT (W752) ON SCHEMATIC DIAGRAM-4 3 2 1 <6V> Q752 <9.51V> C754 0.01 <6.65V> <6.65V> FOR PC ONLY R757 22 D753 D754 RL751 RSY0040M-0 ... P RSY0054-C ... PC T751 RTP1H5C005 2 4 3 1 4 2 D751-754 1SR35400TB Q751 <0.09V> <4.84V> 4.7K Q752 Q753 2SC3940AQSTA REGULATOR 2SK2880CTA REGULATOR Q751 47K <-0.01V> RVTDTC143ZST RELAY DRIVE T701 RTP1P5C029-V W701 1 2 3 4 5 6 7 8 9 10 11 12 F4 125V 8A C751 1000P R751 3.3M L1 L2 H1 H2 CT 2 3 120 W1 W2 W3 FC708 FC707 F3 FC706 125V 8A FC705 TO MAIN CIRCUIT (W701) ON SCHEMATIC DIAGRAM-4 CT 0 CN751 1 F1 125V 8A FC702 Z751 FC701 W1 W2 W3 TRANSFORMER CIRCUIT JK792 AC OUT 120V ( 60Hz ) L N JK791 AC IN 120V ( 60Hz ) AC IN/OUT CIRCUIT

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