NAD-M3E-int-sm维修电路原理图.pdf

SERVICE MANUAL ADDENDUM SERVICE MANUAL ADDENDUM M3e MODEL :M3 eSERVICE MANUAL NAD2010 NADELECTRONICS INTERNATIONAL TORONTO M3e Integrated Amplifier M3e Integrated Amplifier Integrated Amplifier RadioFans.CN 收音机爱 好者资料库 M3e Assembly Parts List 01-50301-01 M3e C Balance Board XLR inputs & outputs 01-50303-01 M3e C Connector Board 01-50304-01 M3e C Keyboard (Front Panel) 01-50305-01 M3e C Power Board PSU 01-50307-03 M3e C Standby board (Lower) 01-50307-22 M3e C standby board (upper) 0.5W version RadioFans.CN 收音机爱 好者资料库 REVDESCRIPTIONDate S817 1standby S814 2listen S818 4mono S815 5mode S819 7speaker S816 8volume R81910K R81810K R81710K 5VS VD1 VD2 VD3 VD4 VD5 VD6 VD7 VD8 V 1 S 2 G 3 U801 IR RECEIVER Q802 2SC1815 R825 10K R826 10K R834 10K 5VS 5VS R823 22 C817 0.1U GND C826 20P C825 20PX81 11.0592MHz GNDGND 5VS C821 0.1U GND 1 2 J81 CON2 GND R828 10K 5VS A0 1 A1 2 A2 3 Vss 4 SDA 5 SCL 6 WP 7 Vdd 8 U804 24C16 GND 5VSC824 0.1uFGND 5VS C823 0.1uF GND R82910K R83010K GND VCC RESET U805 TCM810 GND R837 10K 1 2 3 4 CON801 CON4 /EN 1 C1+ 2 V+ 3 C1- 4 C2+ 5 C2- 6 V- 7 RIN 8 ROUT 9 /INV 10 DIN 11 FCON 12 DOUT 13 GND 14 VCC 15 /FCOFF 16 U802 MAX3221 C828 0.1U C827 0.1U C829 0.1U C830 0.1U GND C831 0.1U 5VS R8410R R842 0R RXD TXD TXD1 RXD1 GND 5VD ENCODER_A ENCODER_B S820 RESET C832 0.1U R843 10K 5VS GND GND SPK A SPK B OPSEL STB OPSEL DATA OPSEL CLK VOLR STB VOLR DATA VOLR CLK VOLL CLK VOLL DATA VOLL STB TONE FUNC HDATA HCLK LEDA STBY PROTECT IR S TXD RXD IR V S811 3recorde S812 6biamp C815 0.1u IR IN IR OUT GND GND C812 10N R844 47K P1.5/CEX2 27 P1.4/CEX1 25 P1.3/CEX0 23 P1.2/ECI 22 P1.1/T2EX 21 P1.0/T2 19 P0.7/AD7 3 P0.6/AD6 5 P0.5/AD5 6 P0.4/AD4 9 P0.3/AD3 11 P0.2/AD2 12 P0.1/AD1 14 P0.0/AD0 15 VCC 17 P2.0/A8 54 P2.1/A9 55 P2.2/A10 56 P2.3/A11 58 P2.4/A12 59 P2.5/A13 61 P2.6/A14 64 P2.7/A15 65 VSS 51 XTAL1 49 XTAL2 48 P1.6/CEX3 28 P1.7/CEX4 29 P5.7 16 P5.6 13 P5.5 10 P5.4 8 P5.3 7 P5.2 63 P5.1 62 P5.0 60 P4.7 57 P4.6 53 P4.5 50 EA 2 PSEN 67 ALE/PROG 68 P3.3/INT1 41 P3.4/T0 42 P3.5/T1 43 P3.6/WR 45 P3.7/RD 47 P4.0 20 P4.1 24 P4.2 26 P4.3 44 P4.4 46 P3.2/INT0 40 P3.1/TXD 39 P3.0/RXD 34 RESET 30 U803 89C51RD68 GND 5VD DB7 14 DB6 13 DB5 12 DB4 11 DB3 10 DB2 9 DB1 8 DB0 7 E 6 R/W 5 RS 4 RST 3 VCC 2 GND 1 U810 M3 VFD GND NAD M3 GND GND R845 47K Q809 2SC3326 R853 10k R851 10k GND R850 10k 5VS VOLA Q808 2SC3326 R849 10k R847 10k GND R867 10k 5VS R852 10K R848 10K Q803 2SC3326 GND R815 10k R816 3K3 GND SPK A SPK B STBY ZERO L ZERO R C833 1N C834 1N C835 1N C836 1N C837 1N 5VS R835 330 R833 330 R836 330 GND LEDB 23 1 4 ROB D801 BL-BUBJFB52C4V-1 Q807 DTA114 Q806 DTA114 Q805 DTA114 5VS 5VS C810 1N/50V Add C810VM1.02005/11/11 D802 ss12 C844 1000u/16v C842 10U/10V GND C839 10U/25V X5R C843 100n 5VD gnd 3 out 4 in 2 en 1 adj 5 dap 6 U806 TL1963A-KTT GND C840 N.I. R864 8K45 C841 330u/16v C838 330u/16v Vin 3 GND 1 Vout 2 U808 LM1117MPX-5.0 C845 100N C846 10U/10V C847 10U/10V 5VS R863 10K R814A 100RJ R814D 100RJ R814C 100RJ R814B 100RJ /e1 1 a0 2 a1 3 a2 4 a3 5 a4 6 a5 7 a6 8 a7 9 gnd 10 y7 11 y6 12 y5 13 y4 14 y3 15 y2 16 y1 17 y0 18 /e2 19 vcc 20 U809 74HC541 C849 100N GND GND /e1 1 a0 2 a1 3 a2 4 a3 5 a4 6 a5 7 a6 8 a7 9 gnd 10 y7 11 y6 12 y5 13 y4 14 y3 15 y2 16 y1 17 y0 18 /e2 19 vcc 20 U811 74HC541 C850 100N GND GND 5VS R846 3K3 STBY STBY A 0 B 0 BULE A 1 B 0 ORANGE A 0 B 1 RED GND GND a0 1 a1 2 a2 3 /g2a 4 /g2b 5 g1 6 y7 7 gnd 8 y6 9 y5 10 y4 11 y3 12 y2 13 y1 14 y0 15 vcc 16 U807 74HC138 S3 S2 S1 C852 100N S3 S2 S1 LEDA LEDB 5VS 5VS HDATAb HCLKb VOLR STBb OPSEL CLKb OPSEL DATAb OPSEL STBb VOLR DATAb SPK Ab SPK Bb VOLR CLKb VOLL CLKb VOLL DATAb VOLL STBb Q801 DTA114 VOLAa FUNCa PROTECTa PROTECTa IR V IR V IR S R859A 100RJ R859D 100RJ R859C 100RJ R859B 100RJ R860A 100RJ R860D 100RJ R860C 100RJ R860B 100RJ R861A 100RJ R861D 100RJ R861C 100RJ R861B 100RJ R862A 100RJ R862D 100RJ R862C 100RJ R862B 100RJ STBYb TONEb HDATA HCLK VOLR STB OPSEL CLK OPSEL DATA OPSEL STB VOLR DATA SPK A SPK B STBY VOLR CLK VOLL CLK VOLL DATA VOLL STB TONE STBY Q804 DTC114 STBY R856A 100RJ R856D 100RJ R856C 100RJ R856B 100RJ R857A 100RJ R857D 100RJ R857C 100RJ R857B 100RJ R858A 100RJ R858D 100RJ R858C 100RJ R858B 100RJ R854100R R855100R 5VS5VS R866 10R C848 10U/10V 5VD C851 10U/10V R813A 10K R813D 10K R813C 10K R813B 10K R812A 10K R812D 10K R812C 10K R812B 10K 6V 6V GND R868 2K74 ZERO L ZERO R 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 CON802 TO PSU_SCH CZ72 FUNC HDATAb HCLKb RXD1 TXD1 PROTECT C816 0.1U VOLR STBb OPSEL CLKb OPSEL DATAb OPSEL STBb VOLR DATAb SPK Ab SPK Bb STBYb VOLR CLKb VOLL CLKb VOLL DATAb VOLL STBb TONEb VOLA IR IN IR OUT GND 5VD 6V 1 2 3 4 CON804 CON4 5VS GND TXD1 RXD1 5VS Q810 N.I.(2SC1815) R869 0 C853 10U/10V XM1 HOLE C801 22N R801 100R GND XM3 HOLE C802 22N R802 100R GND D806 1SS352 D805 1SS352 D804 1SS352 D803 1SS352 M3e FRONT PANEL KEYBOARD RadioFans.CN 收音机爱 好者资料库 D716 1N4148 R756 100K R758 62K R767 100K 6 7 8 4 IC705A TL082BD R764 9K1 R765 15K R769 9K1 R770 15K R766 10 R771 10 Q720 2SC1815 Q721 2SA1015 +20VL C764 10u/50V C769 10u/50V -20VL C767 1uF/50V R755 220K IC705B TL082BD R752 18K R743 47K C761 10uF/50V C762 1uF/50V R759 10K D715 1N4148 R751 220K 1 2 3 5 R761 220K 1 VR701 6K8 R754 10K D714 6.8V C760 1uF/50V D713 BAV21 D719 5V6 D717 BAV21 C717 22n/250V C718 22n/250V C727 22m/100V Q704 2SC1815 Q703 2SA1015 D702 BT151-500R D703 BT151-500R R703 1K R715 22K R706 100 R708 1K R704 1K R705 1K R707 100 R709 22K R710 0.025/3W 2% R711 100 1% Q705 2SA970 Q706 2SA970 R713 470K FP H1 H2 L1 L2 G C730 22n/250V C731 22n/250V C720 22n/100V C721 22n/100V R746 0.22/1W FS R747 0.22/1W FS R748 0.22/1/2W FS R749 0.22/1/2W FS C732 22n/100V C733 22n/100V C734 1000u/100V C735 1000u/100V R716 1K R717 1K R722 3R3 1/2W FS R719 1K R718 1K R720 1K R724 1K R721 1K R730 2K 1% R726 1K R725 2K2 R728 5k1 1% 1W R723 3R3 1/2W FS R727 1K R729 10K 1% 1W C738 100u/100V C742 10u/100V C743 10u/100V C739 100u/100V C747 22u/80V C744 22n C741 47P C740 47P C745 22n Q709 KSC2690 Q710 2SC2240 Q711 2SC2240 Q712 KSA1220 Q713 2SA970 D705 1N4148 D706 1N4148 D708 1N4148 D707 1N4148 C736 100u/100V C737 100u/100V R731 10K 1%1W C746 22u/80V +20VL +V71L -V71L 1 2 3 4 B705 DB104 1 2 3 4 B706 DB104 1 2 3 4 B703 KBU1004 1 2 3 4 B704 KBU1004 C722 22n/100V C723 22n/100V D704 1N5404 Q707 2SA1015 Q708 2SC1815 R714 22K -V74L (TRIG) 1 2 3 4 5 CB704 5PIN 1 2 3 4 5 CB703 5PIN ISCL R793 100 C705 0.1uF R712 9K1 1% +V74L C766 22m/100V R733 240/1% MF R735 240/1% MF R732 3k6/1% MF R734 3k6/1% MF C754 22u/50V C755 22u/50V C756 22N C757 22N IN IC703 LM317M IN IC704 LM337M C750 22N C751 22N +20VL -20VL C748 2m2/50V C749 2m2/50V C752 10u/50V C753 10u/50V D709 1N4148 D710 1N4148 1 2 3 4 5 CZ71 CON3 C78 CAP ISCL Q701 2SC1815 R702 91K +V71L D616 1N4148 R656 100K R658 62K R667 100K 6 7 8 4 IC605A TL082BD R664 9K1 R665 15K R669 9K1 R670 15K R666 10 R671 10 Q620 2SC1815 Q621 2SA1015 +20VR C664 10u/50V C669 10u/50V -20VR C667 1uF/50V R655 220K IC605B TL082BD R652 18K R643 47K C661 10uF/50V C662 1uF/50V R659 10K D615 1N4148 R651 220K 1 2 3 5 R661 220K 1 VR601 6K8 R654 10K D614 6.8V C660 1uF/50V D613 BAV21 D619 5V6 D617 BAV21 ISCR C617 22n/250V C618 22n/250V C627 22m/100V Q604 2SC1815 Q603 2SA1015 D602 BT151-500R D603 BT151-500R R603 1K R615 22K R606 100 R608 1K R604 1K R605 1K R607 100 R609 22K R610 0.025/3W 2% R611 100 1% Q605 2SA970 Q606 2SA970 R613 470K FP H1 H2 L1 L2 G C630 22n/250V C631 22n/250V C620 22n/100V C621 22n/100V R646 0.22/1W FS R647 0.22/1W FS R648 0.22/1/2W FS R649 0.22/1/2W FS C632 22n/100V C633 22n/100V C634 1000u/100V C635 1000u/100V R616 1K R617 1K R622 3R3 1/2W FS R619 1K R618 1K R620 1K R624 1K R621 1K R630 2K 1% R626 1K R625 2K2 R628 5k1 1% 1W R623 3R3 1/2W FS R627 1K R629 10K 1% 1W C638 100u/100V C642 10u/100V C643 10u/100V C639 100u/100V C647 22u/80V C644 22n C641 47P C64047P C645 22n Q609 KSC2690 Q610 2SC2240 Q611 2SC2240 Q612 KSA1220 Q613 2SA970 D605 1N4148 D606 1N4148 D608 1N4148 D607 1N4148 C636 100u100V C637 100u/100V R631 10K 1% 1W C646 22u/80V +20VR +V71R -V71R 1 2 3 4 B605 DB104 1 2 3 4 B606 DB104 1 2 3 4 B603 KBU1004 1 2 3 4 B604 KBU1004 C622 22n/100V C623 22n/100V D604 1N5404 Q607 2SA1015 Q608 2SC1815 R614 22K -V74R (TRIG) 1 2 3 4 5 CB604 5PIN 1 2 3 4 5 CB603 5PIN ISCR R693 100 C605 0.1uF R612 9K1 1% +V74R C666 22m/100V R633 240/1% MF R635 240/1% MF R632 3k6/1% MF R634 3k6/1% MF C654 22u/50V C655 22u/50V C656 22N C657 22N IN IC603 LM317M IN IC604 LM337M C650 22N C651 22N +20VR -20VR C648 2m2/50V C649 2m2/50V C652 10u/50V C653 10u/50V D609 1N4148 D610 1N4148 +V74R -V74R 1 2 3 4 5 6 7 8 9 10 CZ603 CON10 AC DET R PROTECT SPK A SPK B 1 2 3 4 5 6 7 8 9 10 CZ703 CON10 AC DET L PROTECT SPK A SPK B D701 1N4148 R701 22K C701 4.7uF/25V D601 1N4148 R601 22KC601 4.7uF/25V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 CZ72 CON30 DGND IR IN IR OUT AC INLET PLUG AC MALE Q601 2SC1815 R602 91K +V71R REV.DateDESCRIPTION 1 2 3 4 CZ74 CON4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CZ75 CON16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CZ73 CON16 -20VL +20VL DGND DGND +20VR -20VR 5V DGND TRIG+ TRIG- C92 4700P AC 1 AC 2 GND 3 AC 4 AC 5 EMI FILTER EMI FILTER +20VR -20VR R636 680k R736 680k D91 1N4148 RL91 DH12D1-O(M) 5VD Q91 2SA1015 R92 10k R91 10K OP91 OPTOISO1 R95 12K R94 22K Q92 2SA1015 R93 2K TRIG+ R96 10K 5VD PROTECT OP92 OPTOISO1 1 2 CB601 1 2 CB701 -20VL +20VL R97 4.7kD92 1N4148 FUNC HDATA HCLK RXD TXD PROTECT VOLR_STB OPSEL_CLK OPSEL_DATA OPSEL_STB VOLR_DATA SPK A SPK B STBY VOLR_CLK VOLL_CLK VOLL_DATA VOLL_STB TONE VOLA RXD TXD 5VD IR IN IR OUT TRIG+ TRIG- OPSEL_CLK HCLK HDATA FUNC VOLR_STB VOLR_DATA VOLR_CLK VOLL_CLK VOLL_DATA VOLL_STB VOLA TONE OPSEL_DATA OPSEL_STB ZEROL GNDL 1 P701 CON1 1 P702 CON1 1 P703 CON1 GNDR 1 P601 CON1 1 P602 CON1 1 P603 CON1 TO STB_SCH CZ906 TO FFP_SCH CZ81 TO CON_SCH CZ97 TO AMP_SCH P301 P302 P303 P304 TO AMP_SCH CZ302 TO CON_SCH CZ92 TO AMP_SCH P401 P402 P403 P404 TO AMP_SCH CZ402 TO STB_SCH CZ902 2.9V 4ohms/30W 11.9V -11.9V 4.5V 0V0V 0V R98 100 GNDR 1 P604 CON1 GNDL 1 P704 CON1 Change C661 C761 from 1uF/50V to 10uF/50V, R652 R752 to 18K, R643 R743 to 47K, R622 R623 R722 R723 from 33R/1/4W to 3R3/1/4W, R646 R647 R746 R747 from 0.22R/1/4W to 0.22R/1W, R648 R649 R748 R749 from 0.22R/1/4W to 0.22R/1/2W VM1.02006/3/11 VM1.1 R628 R728 from 5K1 0.6W 1% to 5K1 1W 1% R629 R631 R729 R731 from 10K 0.25W 1% to 10K 1W 1% 2006-5-24 R622 R623 R722 R723 From 3R3 0.25W RF to 3R3 0.5 W RF R channel main transformer 117VAC 117VAC DUAL 68/22VACDUAL 50/40VAC L channel main transformer 117VAC 117VAC DUAL 68/22VACDUAL 50/40VAC POWER SWITCH 1 2 3 S1 CON3 R672 4R7 1% 0.25WD620 1N4148 D621 1N4148 R673 4R7 1% 0.25W D622 1N4148 D623 1N4148 R772 4R7 1% 0.25WD720 1N4148 D721 1N4148 R773 4R7 1% 0.25W D723 1N4148 D7221N4148 ADD R672 R673 R772 R773 4.7OHM 0.25W ADD D620 D621 D622 D623,D720 D721 D722 D723 1N4148 VM1.2 2006-6-5 2006-5-24 1 J602 20mm Jumper 1 J603 10mm Jumper 1 J701 10mm Jumper 1 J702 20mm Jumper -V74L 1 J703 10mm Jumper C666 C 627 C766 C727 from 22m/80V to 22m/100V 5V 5VD POWER SUPPLY ASSEMBLIES RadioFans.CN 收音机爱 好者资料库 R525 75 R530 2k2 R534 1K R516 120K R54 10 R558 4k7 R548 10K R550 2K21 R559 2K2 R524 75 R55 10 R532 1K R521 1Meg R562 49.9 R540 2K21 1% R566 470 R551 2K21 1% R542 100 R543 100 R546 4K7 R528 1K R570 160 R554 3K R567 470 R556 4K7 R517 120K R520 1Meg C530 47P C524 33P C534 10uF C526 33P C510 220N C517 160p C59 220N 1 1 2 2 3 3 4 4 L53 220uH X2 Q54 2SK209 Q55 2SK209 D52 1N4148 Q58 2SA1312 R533 1K R529 1K C519 160p D54 1N4148 Q512 2SA1312 Q524 2SC2983 Q526 2SC2983 Q59 2SA1312 Q514 2SA1312 L51 100uH Q511 2SA1312 Q510 2SA1312 Q528 2SC3324 Q529 2SC3324 D56 1N4148 D57 1N4148 D58 1N4148 Q515 2SA1312 D53 1N4148 Q530 2SC3324 Q525 2SC3324 D59 1N4148 D510 1N4148 Q516 2SA1312 R564 100 C525 33P +20VL -20VL +20VL -20VL C532 100p C518 22P C521 22P +20VL R527 75 R536 2k2 R539 1K R518 120K R56 10 R560 4k7 R549 10K R552 2K21 R561 2K2 R526 75 R57 10 R537 1K R523 1Meg R563 49.9 R541 2K21 1% R568 470 R553 2K21 1% R544 100 R545 100 R547 4K7R531 1K R571 160 R555 3K R569 470 R557 4K7 R519 120K R522 1Meg C531 47P C527 33P C535 10uF C529 33P C512 220N C536 160P C511 220N 1 1 2 2 3 3 4 4 L54 220uH X2 Q56 2SK209 Q57 2SK209 D55 1N4148 Q513 2SA1312 R538 1K R535 1K C537 160P D511 1N4148 Q517 2SA1312 Q527 2SC2983 Q532 2SC2983 Q518 2SA1312 Q519 2SA1312 L52 100uH Q521 2SA1312 Q520 2SA1312 Q533 2SC3324 Q534 2SC3324 D5121N4148 D5131N4148 D5141N4148 Q522 2SA1312 D515 1N4148 Q535 2SC3324 Q531 2SC3324 D516 1N4148 D517 1N4148 Q523 2SA1312 R565 100 C528 33P +20VR -20VR +20VR -20VR C533 100p C520 22P C522 22P +20VR INPUT1 XLR INPUT2 XLR R511 220 R514 220 C513 100P C515 100P C514 100P C516 100P R513 220 R512 220 PJ1 +12VOUT C58 0.1uF/50V R51 0R C51 10n/63V JIRA1 IR IN JIRB2 IR OUT1 R52 330 JIRB1 IR OUT2 1 2 3 4 5 6 7 8 RS232 DB9 VCC R530R 1 2 3 4 5 6 7 8 CZ504 CON12 +20VR -20VR +20VL -20VL R501100 R502100 C505 470pF C504 220P C506 220P C502 470pF C501 220P C503 220P REV.DESCRIPTION C538 0.1uF/50V C541 0.1uF/50V C540 0.1uF/50V C545 0.1uF/50V C544 0.1uF/50V C543 0.1uF/50V C542 0.1uF/50V C539 0.1uF/50V U51 OPTOISO1 Q536 2SC2983 R574 5.6K R572 12 Q537 2SC3324 D51 12V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CZ501 CON12 C546 47p C548 47p trigger- trigger+ 232r 232t IR in IRout R546 R547 from 10k to 4k7 R554 R555 from 4k7 to 3k3 Q524 Q526 Q527 Q532 from 2SC3324 to KSC2690 R571 R570 from 47 to 82 C550 0.1uF/50V C551 0.1uF/50V C552 0.1uF/50V C553 0.1uF/50V R573 10K R577 3K R576 3K to HS4-M3-B007 CON VC4.0.SCH CZ93 to HS4-M3-B007 PRE VC4.0.SCH CZ101 D518 12V D519 12V D520 12V D521 12V C556 33U/16V C557 33U/16V C555 0.1u C554 0.1u R580 10K R581 10K C556,C557 FROM 100U/16V TO 33U /16V 2005-4-27 +20VR C558 100N C559 100N 12 U52A 74HCU04 34 U52B 74HCU04 C52 0.1uF VCC Q507 DTA114 BALANCE BOARD RadioFans.CN 收音机爱 好者资料库 1 2JP901 230V 1 2JP902 120V 1 2 3 4 B901 DF1501S 1 2 3 4 B902 DF1501S C903 2200uF/16V C904 1000uF/25V C905 0.1uF/50V C906 0.1uF/50V C902 0.1uF/50V C901 0.1uF/50V C907 100uF/10V C908 0.1uF/50V 1 2 3 4 CZ904 4PIN 1 2 JP903 120V 1 2 JP904 230V 1 2 JP905 120V 1 2 3 4 CZ903 CZ903 1 2 3 4 5 CZ906 CON5 1 2 3 4 CZ905 CON5 F901 120V 100MA/250V F902 120V 5A/250V 1 2 3 4 CZ902 CON4 1 2 JP906 120V 1 2 JP907 230V 1 2 JP908 120V 1 2 3 4 CZ908 CON4 1 2JP900 120V To two main transformers to HS4-M3-B007 PSU VC4.0.SCH CZ74 to HS4-M3-B007 PSU VC4.0.SCH CZ71 F903 230V 3.15A/250V F902,F903 230V 100MA/250V G 1 OUT 2 IN 3 O 4 IC1 NC R901 0R STANDBY POWER SUPPLY RadioFans.CN 收音机爱 好者资料库 +24VL -24VL 5V -24VR +24VR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 CZ94 FROM PRE_SCH CZ201 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CZ97 FROM PSU_SCH CZ73 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CZ92 FROM PSU_SCH CZ75 +24VR -24VR +24VL -24VL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CZ93 FROM BAL_SCH CZ501 OPSEL_DATA VOLL_DATA OPSEL_STB VOLL_CLK VOLR_STB TONE VOLR_CLK HCLK VOLR_DATA FUNC VOLA HDATA VOLL_STB OPSEL_CLK +24VL -24VL +24VR -24VR RXD TXD 5V IR IN IR OUT TRIG+ TRIG- OPSEL_CLK HCLK HDATA FUNC VOLR_STB VOLR_DATA VOLR_CLK VOLL