Technics SA-AX540 free download

File name SA-AX540.pdf

Service 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) 1±0.1 Vp-p http://schema99.host.sk/ Maximum input voltage Input/output impedance 1.5 Vp-p 75 (unbalanced) Amplifier Section Rated minimum sine wave RMS power output 40 Hz-20 kHz both channels driven 0.8% total harmonic distortion 1 kHz continuous power output both channels driven 0.05% total harmonic distortion Total harmonic distortion rated power at 40 Hz-20 kHz half power at 1 kHz Power output at the Dolby Pro Logic operation 0.9% at 1 kHz Front Center Surround Low frequency damping factor Load impedance Front A or B A and B Center Surround Frequency response PHONO CD, TAPE, DVD, VCR, TV Input sensitivity PHONO CD, TAPE, DVD, VCR, TV S/N (IHF A) PHONO CD, TAPE, DVD, VCR, TV Input impedance PHONO CD, TAPE, DVD, VCR, TV Tone controls BASS TREBLE Subwoofer frequency response 50 Hz,+10 to -10 dB 20 kHz,+10 to -10 dB 7 - 100 Hz,±3 dB 47 k 22 k 70 dB (80 dB, IHF'66) 75 dB (85 dB, IHF'66) 0.4 mV (3 mV, IHF'66) 27 mV (200 mV, IHF'66) RIAA standard curve (30 Hz - 15 kHz)±0.8 dB 10 Hz-70 kHz,±3 dB 4 - 8 8 8 8 2 x 100 W (8) 100 W (8) 2 x 100 W (8) 30 (8) 0.8% (8) 0.07% (8) 105 W per channel (8) 100 W per channel (8) General Power supply Power consumption Dimensions (W x H x D) AC 120 V, 60 Hz 450 VA, 350 W 430 x 136 x 320.6 mm (16-15/16" x 5-11/32" x 12-5/8") Weight Power consumption in standby mode: Notes: 1. 2. Specifications are subject to change without notice./Weights and dimensions are approximate. Total harmonic distortion is measured by the digital spectrum analyzer. 8.8 kg (19.54 lb.) 1W * Manufactured under license from Dolby Laboratories."Dolby","Pro Logic" and the double-D simbol are trademarks of Dolby Laboratories. © 2000 Matsushita Electronics (S) Pte. Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. @ TOP NEXT http://schema99.host.sk/ 10 Schematic Diagram TOP PREVIOUS NEXT (All schematic diagrams may be modified at any time with the development of new technology.) Notes: S946 Power Switch S948 Tape Switch S950 FM Mode Switch S951 Band Switch S952 Tuning Down Switch S953 Tuning Up Switch S955 Memory Switch S956 Tape Mode Switch S958 CD Mode Switch S976 6CH Switch

File name schac3.pdf

SCHEMATIC 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 50V3.3 R381 100K R383 100K <0.01V> 6 7 5 8 VCC IC353 R385 100K IC353 R382 100K C392 50V3.3 R384 100K VEE 4 3 2 1 UPC4570C TONE CONTROL R386 100K C394 50V3.3 <-14.94V> <-0.01V> <0.01V> <0.01V> JK352 RS R493 1K R481 39K C384 50V3.3 <-14.95V> <0.01V> <0.01V> C385 50V3.3 <0.01V> <0.01V> <0.01V> <0V> LS R492 1K JK354 L L DVD 6CH C383 50V3.3 R480 39K R346 10K R345 10K R347 100K R348 100K C386 50V3.3 7 8 R350 100K R349 100K C312 50V4.7 6 5 CN402 AGN +14V -14V R_E L_E C_EXT SL_EXT 14 13 12 11 VSS 10 9 R409 1K IC352 1 2 3 VCC 4 5 6 7 C388 50V3.3 R352 100K R351 100K C311 50V4.7 4 3 R R <0.01V> <0.01V> <0.01V> <14.24V> <0.01V> <0.01V> <0.01V> R410 1K 2 1 TO MAIN CIRCUIT (CP402) ON SCHEMATIC DIAGRAM-1 R342 100K R341 10K R343 100K R344 100K L C R SW R491 1K R479 39K R494 1K C381 50V3.3 C387 50V3.3 C382 50V3.3 NJM2060D 6CH INPUT IC IC352 OPERATION CIRCUIT VR902 (DOLBY PRO LOGIC) D941 D940 D939 D938 TO PANEL CIRCUIT (CN354) ON SCHEMATIC DIAGRAM-7 W354 KEY2 1 KEY1 2 KEY4 3 5.6V 4 OFF 5 SURR 6 3ST 7 SFC 8 S946 POWER D938~D941 SLR325VCT31 R952 1.5K S952 TUNING DOWN S953 TUNING UP R980 1K S980 HELP COM B 1 2 A 3 R941 270 R953 1.8K R940 270 R939 270 R954 2.2K R938 270 R956 4.7K S956 TAPE MODE R981 1.2K R982 1.5K R983 1.8K R984 2.2K S958 CD MODE S985 SP_B W355 TO PANEL CIRCUIT (CN355) ON SCHEMATIC DIAGRAM-7 1 2 3 4 5 6 7 SURR_B HELP SURR_A R957 6.8K R958 12K R985 3.3K S986 SP_A

File name schlogic.pdf

SCHEMATIC 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 50V 3.3 50V 0.15 50V 4.7 50V 0.47 50V 4.7 50V 0.47 C1016 0.1 <4.56V> <5.26V> 62 <4.56V> 61 <5.31V> 60 <2.88V> 59 <2.85V> <2.86V> <4.51V> <5.29V> <0.03V> 17 <9.13V> Vcc 18 <1.9V> DET 19 <0.68V> IREF 20 A_GND 21 <0.01V> 58 IC1001 LV1035M IC1001 PRO LOGIC DECODER 57 <4.51V> 56 55 <4.54V> 54 53 <4.59V> 52 Vdd(Digital) OSC_IN ENABL(DPL) DATA(DPL) S_OUT 22 <4.59V> R_OUT 23 <4.6V> L_OUT 24 <4.59V> <4.6V> 25 <4.57V> 26 27 <4.59V> 28 29 30 CLK Vss (Digital) <4.59V> <4.59V> <5.22V> C1053 50V3.3 C1004 50V3.3 C1003 50V3.3 C1052 50V0.33 C1055 50V0.47 C1056 0.082 C1057 3300P C1058 0.082 CLK(DPL) <5.29V> 51 RT_IN _ A_GND _ <4.58V> 50 <4.58V> 49 <4.58V> <4.59V> y_in _ <4.55V> <4.55V> <4.58V> <4.59V> <0.01V> <4.67V> <4.62V> <4.94V> <0.01V> <0V> <0V> <0V> <0.1V> <0V> 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 OSC_OUT R1053 1K DATA 31 <2.53V> 32 <2.35V> R1062 27K R1064 220K R1052 1M R1002 1K R1001 1K C1015 0.1 X1001 GND JK402 L CH CD R CH 2 3 1 R401 1K a R402 1K 16V 47 50V 1 50V 1 0.022 0.047 b R405 1K c 5 6 4 R406 1K d R407 1K 2 3 1 e R408 1K f R433 1K 5 6 4 g R434 1K h 50V 0.47 C1059 16V220 680P R1061 2.2K C1065 680P R1056 15K R1007 47K R1008 47K C1033 C1034 C1002 C1001 C1006 REC (OUT) R CH TAPE JK403 L CH PLAY (IN) R CH C1007 C1035 L CH TV/DSS R CH JK404 L CH RO R CH VCR L CH PB R CH R1011 3.3K R1010 3.3K R411 1K 2 3 1 i R412 1K j R413 1K 5 6 4 R414 1K R1009 3.3K C1067 1500P L CH C1038 100P C1037 100P C1036 100P C1068 1500P k SURR_CE SURR_DT SURR_CK l SCHEMATIC DIAGRAM - 10 : +B Line : -B Line : Main Signal Line : Record Signal Line : FM/AM signal line M N O P Q R S T I D R476 10K C 1 2 3 4 10K R478 K S CN1203 SR_EXT TU_LOUT TU_ROUT 27 26 25 24 23 22 21 20 19 18 17 16 15 L_OUT 5 6CH_STB 6 R_OUT 7 TO MAIN CIRCUIT (CP1203) ON SCHEMATIC DIAGRAM-1 <0.01V> <0.01V> <0V> <0V> <0V> <0V> <0.01V> <0.01V> <0V> <0V> <0V> DATA CLK S1 S2 S3 S4 S5 S6 S7 IC1004 STB GND <0V> 14 <0.01V>

File name schmain1.pdf

SCHEMATIC 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 R582 2.7K 2 1 C652 R654 63V33 1.8K 3 4 <0V> 14 13 12 11 VSS IC652 <0.03V> <0V> <0V> <0V> C4 8 6 7 R581 2.7K C581 560P C579 16V22 R652 680 5 IC602 <0V> <0V> <0V> <0V> <14.31V> <0V> <0V> 1 2 VCC 4 3 5 6 7 R573 2.7K C573 560P C691 63V33 + R576 2.7K C576 560P CN904 S_DET OVL2 6CH_STB SW_MAIN_IN RS_IN GND1 SURR_SROUT SW_OUT 1 2 3 4 5 6 7 8 R575 680 R571 680 R420 100K L4 R4 MAIN_LIN 9 MAIN_RIN 10 g h d i j b k l h p n t 1 2 3 4 5 6 7 SL_EXT C_EXT AGND PH_L PH_R L_EXT R_EXT CP1201 CP1202 SURR_SLOUT SW_OUT SURR_SROUT C_IN 5.6V SURR_SLOUT -14V SW_EXT SURR_COUT L_DOUT 6CH_STB R_DOUT R_DOUT TO PRO-LOGIC CIRCUIT (CN1201) ON SCHEMATIC DIAGRAM-10 TO PRO-LOGIC CIRCUIT (CN1202) ON SCHEMATIC DIAGRAM-10 TO PRO-LOGIC CIRCUIT (CN1203) ON SCHEMATIC DIAGRAM-10 TU_ROUT SR_EXT TU_LOUT TO PANEL CIRCUIT (CP905) ON SCHEMATIC DIAGRAM-7 L_DOUT SL_IN +14V CP1203 SURR_COUT + TO PANEL CIRCUIT (CP904) ON SCHEMATIC DIAGRAM-6 C414 16V10 C575 16V22 C578 0.01 C571 16V22 p a f C413 16V10 R419 100K 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 CN905 + R692 1.8K TO AC-3 CIRCUIT (CN402) ON SCHEMATIC DIAGRAM-8 1 2 3 4 g h i j L5 h IC601 POWER AMP(HIC) R690 C602 820 63V33 RSN310R36-P R605 220 R689 C601 R603 820 63V33 1.8K c b R5 C641 R642 63V33 1.8K R674 4.7 <0V> R604 1.8K SGND <0V> 24 IN3SGND IN2IN1PASSPASS+ 18 TTLPowLim 17 VDlim <-8.27V> R638 150K R637 150K C618 1000P <-16.55V> 16 RLY 15 SENS<14.27V> C617 2.2 <-0.75V> R634 470K <0V> 14 SENS+ 13 C603 820P <0V> 23 C642 820P 22 IN2+ IN2-VD C604 820P <61.1V> +VD 21 C607 18P R607 56K NC (OPEN) C621 100V10 <57.7V> 19 C619 25V100<-0.26V> R636<-28.47V> 47K NC (OPEN) R643 56K C643 18P R608 56K C608 18P RLY <-9.29V> SENSSENS+ <-0.28V> IHDET DISP C622 100V10 <-57.7V> 20 R606 220 <0V> <0V> R647 220 R624 4.7 22 21 C692 820P R697 220 C654 820P 20 a d TNR_CK SURR_CK 18 CP1204 19 17 <0V> R656 220 <0V> R672 47 <-60V> R671 C672 100V10 47 C671 100V10 <0V> C693 18P <0V> 16 15 C658 18P R658 56K R693 56K SCHEMATIC DIAGRAM-

File name schmain2.pdf

SCHEMATIC 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 Q725 RVTDTA114EST REGULATOR Q604 RVTDTA143XST RELAY DRIVE <4.76V> R622 6.8K g m SL3 R538 C538 10K R536 16V10 2.7K Q604 Q652 10K 4.7K <-31.96V> Q602 <-0.01V> RVTDTA143XST RELAY DRIVE Q651, Q652 C709 16V33 R713 39 R714 39 R711 7.5K k t l <5.59V> <14.96V> <14.94V> Q703 <31.42V> C708 0.01 R707 220 R705 4.7K R723 1/2W 1 D732 RVD1SS133TA <14.37V> <31.65V> <31.89V> Q701 <31.63V> 10K 47K Q723 a d c e f j Q706 <13.83V> C715 C710 16V100 0.01 <15.52V> R706 1K <15.53V> <6.82V> R712 6.8K R708 1.5K D705 C707 35V100 R728 680K D702 R729 680K 35V5600P 35V5600P D725 D721 D723 <6.22V> MTZJ6R2BTA C721 0.1 D722 D724 D726 D728 C722 0.1 C706 D703 D701-704 1N5402BM21 R722 12K C712 50V10 R720 10K D707 MTZJ16CTA REGULATOR D708 Q703,704 <-15.51V> C713 0.01 2SC1740SQSTA REGULATOR Q707 <-27.04V> <-27.6V> C711 0.01 Q708 2SA1534AQRTA <-14.91V> REGULATOR Q708 REGULATOR Q706 C714 25V47 R721 560 <-38.5V> R727 R726 220 220 <-31.86V> 10K 47K <5.28V> D731 2SD2374PQAU MTZJ27DTA Q701 R725 820 RVD1SS133TA D721-728 1N5402BM21 Q724 R780 3.9 <-31.88V> Q724 RVTDTC114YST REGULATOR <-31.98V> Q707 R724 1/2W 1 2SB1548PQAU 2SC1740SQSTA REGULATOR d C440 0.01 11 10 9 8 7 6 5 4 3 2 1 CE TU_ROUT DET 7.5V SD +14V DI TU_LOUT CL DO CP101 TO TUNER PACK (RAN0001MM) R440 56 D401 R442 47K MTZJ7R5CTA s R441 47K D701 q <6.22V> C705 D727 Q704 C702 0.1 D704 SCHEMATIC DIAGRAM-4 : +B line : -B line : Main signal line RL603 p q 1 2 5 3 4 SR5 SL5 JK603 + 2 3 + 4 1 R797 22K R798 22K 6 D613 c a b d RVD1SS133TA RL604 1 2 5 3 4 6 R618 390 R CH L CH SURROUND SPEAKERS D614 RVD1SS133TA C5 1 2 5 R619 390 R799 6.8K R6 L6 JK602 + + L CH R CH FRONT SPEAKERS L6 R793 12K + + R6 R795 R794 12K 22K R617 390 C690 0.01 L CH R791 12K R616 390 R792 12K RL601 3 4 6 D611 RVD1SS133TA RL602 3 4 6 1 2 5 R CH D612 RL601-604 RSY0013M-0 RVD1SS133TA + CENTER SPEAKER JK601 Q777,778 2SA933SQRSTA FAN MOTOR DRIVE Q777 <0V> <-0.13V> <-16.3V> R771

File name schpanel.pdf

SCHEMATIC 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 c THERM/OVLD OVERLOAD2 LED_DATA REMOTE RDS_CK RDS_DT LED_CK RDS_DI RESET WAKE XOUT 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 LIMITTER SEG8 <-26.48V> SEG9 40 65 TNR_ CE <0V> SEG10 39<-26.47V> 66 SEL/ TNR_CK <0V> SEG11 38 <-20.71V> 67 SEL/TNR_DT <0V> SEG12 37 <-12.01V> 68 SEL_ST <-14.92V> <0V> SEG13 36 69 MMD <-17.84V> <0V> SEG14 35 70 SURR/OSD_CK IC901 <-23.61V> <0V> 71 SURR/OSD_DT SEG15 34 <-20.74V> <4.93V> IC901 SEG16 33 72 SURR_CE M38B57M6140F <-15.45V> <0V> MICROCOMPUTER AF_MUTE 32 73 AVSS <-7.62V> <5.06V> 74 VREF SP_A 31 <4.77V> <5.03V> SP_B 30 75 SD <5V> <-6.17V> 76 SUR1 S/C_SP 29 <-26.68V> <4.93V> VEE 28 77 HELP_LED/RDS_CE <5V> <0V> 6CH_ST 27 78 SUR2 SEL2 <4.93V> <0V> 79 VIDEO_B LOUDNESS26 REC_MUTE IF_DATA VOL_DOWN VOL_UP INIT_IN DEG10 DEG9 DEG7 DEG6 DEG8 DEG2 DEG1 DEG4 SEG1 SEG5 DEG3 SEG2 DEG5 SEG3 <-23.61V> R917 10K <0V> SEG4 HOLD FMST KEY4 SFC1 SFC2 SEG6 <5.06V> R912 22K <0.54V> R916 <1.08V> <5.05V> <5.06V> <4.22V> <5.06V> <4.89V> <5.02V> <4.99V> <5.02V> <5.02V> <5.06V> <4.93V> <0.02V> D901 1SS291TA D921 RVD1SS133TA C993 100P C994 100P R994 100K Q P O k 22K Z R901 1K CF901 3 1 C904 6.3V1000 R913 10K C902 0.1 C901 6.3V1000 R920 270 <5.07V> <5.06V> Z891 <5.02V> <0.02V> <0.03V> <0V> <0V> <0V> <0V> <0V> <0V> <4.91V> 80 VIDEO_A KEY1 KEY2 1 2 3 4 5 6 7 8 9 RLY 25 TV/VCR2 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 XIN SEL1 GND VDD <4.85V> Q902 <4.35V> R921 120 C908 D924 MTZJ3R9ATA 0.01 R993 100K R909 47K 3 2 1 R906 2.2K R908 100K 2 C891 16V10 C905 0.01 C906 6.3V100 2SA933SSTA REGULATOR Q902 L901 100uH C933 100P M N T P V W X Y C932 100P Z a b c d e f g C955 100P 1 SP_A 2 SP_B 3 S/C 4 OV1 5 VDD 6 GND 7 SUR_CE 8 SUR_CK 9 SUR_DT 10 TCE 1 FM_ST 2 SD 3 IF_DATA 4 VIDEO_A 5 VIDEO_B 6 SEL_ST 7 SDT 8 SCK 9 +14V 10 -14V CP902 CP903 TO MAIN CIRCUIT (CN902) ON SCHEMATIC DIAGRAM-2 TO MAIN CIRCUIT (CN903) ON SCHEMATIC DIAGRAM-2 SCH

File name schpower.pdf

SCHEMATIC 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