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SERVICE MANUAL

PA

011524

HAMAMATSU, JAPAN

1.44K-4111 K

Printed in Japan '00.05

CONTENTS

SPECIFICATIONS ···································································· 3
PANEL LAYOUT ······································································· 4
CIRCUIT BOARD LAYOUT ······················································ 5
DIMENTIONS ··········································································· 6
BLOCK DIAGRAM ···································································· 7
DISASSEMBLY PROCEDURE················································· 8
LSI PIN DESCRIPTION ·························································· 11
IC BLOCK DIAGRAM ····························································· 13
CIRCUIT BOARDS ································································· 15
INSPECTIONS········································································ 27
TEST PROGRAM ··································································· 29
FRASH ROM UPGRADE························································ 32
PARTS LIST
OVERALL CIRCUIT DIAGRAM

DA CONVERTER

200005**-110000

This document is printed on chlorine free (ECF) paper with soy ink.

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Summary of Contents for DA824

Page 1: ...4 CIRCUIT BOARD LAYOUT 5 DIMENTIONS 6 BLOCK DIAGRAM 7 DISASSEMBLY PROCEDURE 8 LSI PIN DESCRIPTION 11 IC BLOCK DIAGRAM 13 CIRCUIT BOARDS 15 INSPECTIONS 27 TEST PROGRAM 29 FRASH ROM UPGRADE 32 PARTS LIST OVERALL CIRCUIT DIAGRAM DA CONVERTER 200005 110000 This document is printed on chlorine free ECF paper with soy ink ...

Page 2: ...l or firm does not constitute authorization certification recognition of any applicable technical capabilities or establish a principal agent relationship of any form The data provided is belived to be accurate and applicable to the unit s indicated on the cover The research engineering and service departments of Yamaha are continually striving to improve Yamaha products Modifications are therefor...

Page 3: ...o 140 F 1 9 m Owner s Manual 1 Measured with a 6 dB octave filter at 12 7 kHz equivalent to a 20 kHz filter with infinite dB octave attenuation 2 6 dB octave filter 80 kHz Where dB represents a specific voltage 0 dB is referenced to 0 775 V rms 0 dBV is referenced to 1 00 V rms 1 24 bit 128 times oversampling D A converters 2 XLR type connectors are electronically balanced pin 1 ground pin 2 hot p...

Page 4: ...TER MODEL DA824 8 2 3 4 5 6 7 8 2 3 4 5 6 7 1 OUTPUT BAL 1 5 6 7 8 9 10 11 1 PEAK NOMINAL SIGNAL indicators 2 LOCK indicator 3 POWER indicator 4 POWER switch 5 COM port 6 WORD CLOCK THRU connector 7 WORD CLOCK 75 ON OFF switch 8 WORD CLOCK IN connector 9 OUTPUT BAL connectors 10 Power cable 11 SLOT PANEL LAYOUT DA824 4 Front Panel Rear Panel ...

Page 5: ...AIN MYSL 3NC2 V536450 3 CN004 CN905 CN902 CN003 CN001 CN011 CN962 CN961 CN963 CN010 CN008 CN009 CN005 CN006 CN002 CN007 CN002 CN102 CN101 CN301 CN501 CN701 CN302 CN502 CN702 CN901 CN904 CN052 CN053 CN054 CN051 CN906 CN003 AC MYSL Power Transformer ...

Page 6: ...DA824 6 DIMENTIONS 67 5 67 5 345 430 13 88 H 97 5 2 30 2 30 48 33 274 355 D 366 8 W 480 Unit mm ...

Page 7: ... IC501 IC502 IC502 IC503 IC503 IC603 IC603 OUTPUT 5 SIGNAL 4dBV 15dBU 18dBU 24dBU LPF NOMINAL PEAK SDATA PD VOUTL VOUTR BICK LRCK MCLK 6 5 7 6 5 7 2 3 1 2 3 1 6 5 7 MUTE MUTE JK601 JK602 IC601 IC602 IC602 OUTPUT 6 SIGNAL 4dBV 15dBU 18dBU 24dBU LPF NOMINAL PEAK 2 3 1 2 3 1 6 5 7 2 3 1 6 5 7 MUTE MUTE JK701 JK702 JK801 JK802 D F DA AK4393 CPU COM SRAM 256K IC005 28P IC909 CN903 IC901 IC926 SRAM 256K...

Page 8: ...0 Bonding Screw 3 0X6 MFZN2BL VS863000 Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 Bonding Tapping Screw 3 0X8 MFZN2BL VN41330 Bonding Tapping Screw 3 0X8 MFZN2BL VN41330 Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 Bind Head Tapping Screw B A4 0X6 MFZN2BL VC688800 Bind Head Tapping Screw B A4 0X6 MFZN2BL VC688800 2 1 2 5 16 6 4 2 4 Ref No Screw QTY 2 2 2 1 2 2 1 3 1 Fig 3 MYSL Circuit Bo...

Page 9: ... remove the fuse from the board and put it back into the holder on the new board 5 DC Circuit Board 5 1 Remove the top cover See procedure 1 5 2 Remove the DC assembly See procedure 2 5 3 Remove the four 4 screws marked 60B The transistor holder can then be removed Fig 5 5 4 Remove the three 3 screws marked 40 The DC circuit board can then be removed Fig 5 The four fuses are not part of the DC cir...

Page 10: ...ngle Right View Left View 130 Fuse Fuse 70 PN SW 70 Oval Head Screw 4 0X8 MFZN2BL VS153600 Fig 7 30 Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 50 Bonding Screw 3 0X6 MFZN2BL VS863000 Front View 70 30 50 50 30 70 70 Front panel 30 DA824 10 6 4 PN Circuit Board Remove the four 4 screws marked 30 The PN circuit board can then be removed Fig 7 6 5 SW Circuit Board Remove the two 2 screws marked ...

Page 11: ...use Clock mode switching input 2 Clock mode switching input 0 Channel status sampling frequency display output 1 Channel status sampling frequency display output 0 Channel status output method selection External synchronous auxiliary input word clock EIAJ AES EBU data input PLL word clock output Logic section power 5 V Data error flag output Channel status emphasis control code output 3 wire type ...

Page 12: ...ct Interrupt request Data transmission Data reception Interrupt request Port A Data transmission Port A Data reception Data bus Ground Data bus 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 D11 D10 D9 D8 VSS D7 D6 D5 VCC D4 D3 D2 D1 D0 VSS XTAL MD3 EXTAL MD2 NMI VC...

Page 13: ...OUTPUTS PR CLR CLK D Q Q L H H L H Q O H L H H L Q O X X X H L X X X X f f L H L L H H H L H L H H H 1 2 3 4 5 6 7 1CLR 1D 1CK 1PR 1Q 1Q GND 14 13 12 11 10 9 8 VCC 2CLR CLR 2D D 2CK CK 2PR PR 2Q 2Q Q Q CLR D CK PR Q Q 1 2 3 4 5 6 7 A A Select Enable Output Output B B C C G2A G2A G2B G2B G1 G1 Y7 Y7 Y5 Y4 Y3 Y2 Y1 Y0 Y6 16 15 14 13 12 11 10 Vcc YO Y1 Y2 Y3 Y4 Y5 8 GND 9 Y6 1 2 3 4 5 6 7 1G 1A 1B 1Y...

Page 14: ...103 201 203 301 303 401 403 501 503 601 603 701 703 801 803 Vcc 2F 2E 2A 2Y GND 1Y 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 2C 2B 2D 1A 1B 1C 1D 1E 1F 1A 1B 2R 2S 2A 2B 2Y GND 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 Vcc 1S 1R 1Y 3A 3S 3R 3Y 1 2 3 4 5 6 7 1B 1A 1R 1DE 2R 2A 2B 16 15 14 13 12 11 10 Vcc 1D 1Y 1Z 2DE 2Z 2Y 8 GND 9 2D 1 2 3 4 V 8 7 6 5 Output A V Non Inverting Input A DC Voltage Supply DC...

Page 15: ...it Board H W B XY032C0 17 DC Circuit Board J U V XY031C0 16 JK Circuit Board XY035B0 24 MAIN Circuit Board XY036B0 19 MYSL Circuit Board XY036B0 20 PN Circuit Board XY034A0 18 SW Circuit Board H W B XY032C0 15 SW Circuit Board J U V XY031C0 15 Note See parts list for details of circuit board component parts AC Circuit Board J U C SW Circuit Board J U C AC Circuit Board H W B SW Circuit Board H W B...

Page 16: ...3NA V485500 to MYSL CN052 Power transformer to MAIN CN905 2 A A to DA CN001 to PN CN963 A A Power transformer DC Circuit Board J U C Component side DA824 16 ...

Page 17: ...3NA V485540 to MYSL CN052 Power transformer to MAIN CN905 2 B B to DA CN001 to PN CN963 B B Power transformer DA824 17 Component side DC Circuit Board H W B ...

Page 18: ...3NA V485460 from DA CN002 1 2 3 4 5 1 C C C C from MAIN CN906 from DC CN009 6 7 8 PN Circuit Board Component side DA824 18 ...

Page 19: ...DA824 19 3NA V485480 IN 75 WORD CLOCK OFF ON THRU 1 COM to DA CN003 from DC CN010 to MYSL CN053 to MYSL CN054 D D MAIN Circuit Board ...

Page 20: ...MAIN MYSL 3NA V485480 1 D D to PN CN961 from MAIN CN902 from MAIN CN901 from DC CN008 MYSL Circuit Board Component side Component side DA824 20 ...

Page 21: ...E E 3NA V485480 1 DA824 21 MAIN Circuit Board ...

Page 22: ...E E MAIN MYSL 3NA V485480 1 MYSL Circuit Board Pattern side Pattern side DA824 22 ...

Page 23: ...3NA V485470 1 F F OUTPUT 1 2 3 4 5 6 to PN CN962 to DC CN011 to JK CN501 to JK CN301 to JK CN301 DA824 23 DA Circuit Board ...

Page 24: ...DA JK 3NA V485470 1 F F 7 8 OUTPUT OUTPUT from MAIN CN904 to JK CN701 8 7 6 5 4 3 2 1 to DA CN102 to DA CN302 to DA CN502 to DA CN702 JK Circuit Board Component side Component side DA824 24 ...

Page 25: ...3NA V485470 1 G G DA Circuit Board DA824 25 ...

Page 26: ...DA JK 3NA V485470 1 G G JK Circuit Board Pattern side Pattern side DA824 26 ...

Page 27: ... kHz 2 Inspections 2 1 OUTPUT1 to 8CH 1 Gain Input frequency Input level AD824 Internal gain SW Specified output level Permissible range 1 kHz 10 dBu 24 dB 18 dB 15 dB 4 dBV 10 dBu 4 dBu 1 dBu 10 dBV 10 1 dBu 4 1 dBu 1 1 dBu 10 1 dBV 2 f characteristics Conditions Permissible range uses 1 kHz as a reference Input frequency Input level AD824 Internal gain SW Permissible range 20 Hz 20 kHz 10 dBu 10...

Page 28: ...eous input of channels 1 to 8 Visually confirm the on and off of the peak nominal and signal LEDs 1 On Lit LED level Input frequency Input level AD824 Permissible range Reference output level PEAK NOMINAL SIGNAL 1 kHz 1 kHz 1 kHz 21 dBu 10 dBu 10 dBu 0 2 dB 0 2 dB 0 2 dB 15 dBu 4 dBu 16 dBu 2 Off Not lit LED level Input frequency Input level AD824 Permissible range Reference output level PEAK NOMI...

Page 29: ...am 2 Test procedure execution program Connect the PC and COM terminals CN903 with a Dsub 9 pin serial cross cable and start the terminal software such as Hyper Terminal The setting for the communication format is Bit Rate 38400 bps Data length 8 bits Stop bit 1 Parity none The next time the power is turned on the message will be dispalyed in the window for the terminal software Use the keyboard fo...

Page 30: ...e second line on the screen shows the condition at the data bus from the left D15 D14 D1 D0 2 SLOT DATA BUS XXXX XXXX XXXX XXXX SLOT ADDR BUS XXX XXXX XXX SLOT CONTROL XXXX SLOT and CPU connection check The first line on the screen shows the condition at the data bus from the left D15 D14 D1 D0 The second line on the screen shows the condition at the address bus from the left A15 A14 A2 A1 The thi...

Page 31: ...ment is corrected by 12 7 kHz 6 dB OCT LPF The load for output 1 to 8 is 600 ohms Output 1 to 8 is measured at the cannon connector The internal gain SW is 18 dB Word clock in 75 ohms is set to on Input the signal only into the channel being measured 2 Measuring method In the test program mode a digital 0 will be output from the slot test jig when the following command is executed In this state a ...

Page 32: ...files are displayed on the screen LoadDA824 exe TimeStamp exe and 02rv2 dll The two files requiring an upgrade are LoadDA824 exe and 02rv2 dll 2 1 Start the software Click on LoadDA824 exe The program will start and the following screen will be displayed The dialog box can be used to switch the COM terminal connection 2 2 Connection with DA824 Click the Connect switch and the DA824 program is load...

Page 33: ...opean model I Indonesian model J Japanese model M South African model O Chinese model Q South east Asia model T Taiwan model U U S A model V General export model 110 V W General export model 220 V N X General export model Y Export model Notes DESTINATION ABBREVIATIONS The numbers in QTY show quantities for each unit The parts with in PART NO are not available as spare parts The mark in the remarks...

Page 34: ...10 280 70 140 270 370 372 80 90 110 120 125 200 360 195 36 10 35 150 160 55 240 210 250 220 15 38 37 60 70 120 125 110 180 170 110 100 20 30 130 230 310 190 130 300 40 260 Rear panel assembly See page 5 Front panel assembly See page 4 DC assembly See page 6 ...

Page 35: ...40 150 160 170 170 170 180 190 190 195 200 210 220 230 240 250 260 280 290 300 310 350 360 370 372 380 390 400 410 420 REF NO V4067500 CB806590 VR138400 CB095100 VC688800 EG340360 V4068400 VC688800 V4605100 VC688800 VC688800 V4705100 V6161200 VS153600 VN413300 XY176A00 XY177A00 XY178B00 VC688800 V5452300 V5452500 CB817510 VC688800 V4093800 V5462700 VZ746000 EG340360 VN413300 V5462900 VS154500 VS86...

Page 36: ...itch Knob Escutcheon Power Switch DESCRIPTION 10 20 30 40 40 50 60 70 80 90 REF NO V4067800 V4854600 EP600230 V4855300 V4855700 VS863000 V4106600 VS153600 VL812900 VL813000 PART NO PN 3 0X6 MFZN2BL SW SW 3 0X6 MFZN2BL 4 0X8 MFZN2BL DA824 J U V V545270 H W B V561280 J U V H W B POWER ON OFF REMARKS 4 2 6 QTY RANK 01 01 01 03 03 FRONT PANEL ASSEMBLY New Parts RANK Japan only 10 40 50 30 20 80 60 90 ...

Page 37: ...60 70 80 90 100 110 F1 F1 REF NO V6035200 V5254400 V5254500 VS228900 VS229000 VS229100 VS229200 CB806850 CB811230 CB032840 V4855100 V4855500 VC688800 EG340360 VC362700 CB069250 V5274400 VN413300 KB003570 KB003040 PART NO DA DA DA 2P 15A 2 1m 3P 10A 2 5m 3P 6A 2 5m 3P 10A 2 5m SR 6N3 4 SR 6N 4 SR 5N 4 AC AC A4 0X8 MFZN2BL 4 0X8 MFZN2BL FR25 15 12 1400L BK 1 3 0X8 MFZN2BL 2 00A JU 250V 1 00A S 250V ...

Page 38: ...00 V4855200 V4855600 VN413300 EL200020 KB003560 KB003060 KB003560 KB003060 KB003570 KB003070 KB003570 KB003070 KB003620 KB003100 PART NO DC DC 3 0X8 MFZN2BL SP 4 0X8 MFZN2Y 1 60A JU 1 60A S 1 60A JU 1 60A S 2 00A JU 2 00A S 2 00A JU 2 00A S 4 00A JU 125V 4 00A S 250V DA824 J U V H W B V406870 J U V H W B V406820 J U V H W B J U V H W B J U V H W B J U V H W B J U V H W B REMARKS 3 4 QTY RANK 01 01...

Page 39: ...VA078900 V3311600 V5170300 VS589000 VS589000 VS589000 VS589000 UR867100 UR659220 UR659220 UR639470 UR639470 VT947800 UR838100 UA355100 UA355100 UA355100 UR857470 UR858100 UR858100 UR838100 UR838100 UR838100 LB932030 LB933030 LB933040 LB932060 LB932050 VK025700 VF728200 VK024900 VK025700 VB481900 VB481900 VB481900 VB481900 VB481900 VB481900 VB481900 VN011300 VN011300 FZ006970 FZ006970 FZ006970 FZ00...

Page 40: ...672A00 XD631A00 VA078900 VA078900 BB069510 BB069510 VQ764500 HV756150 VC747900 HF757680 HV754680 HF756470 HF756470 HF757100 HF757100 HF757100 HF757100 HF757100 HF758100 HF756470 VC747900 V3127000 VK432900 VV911300 IA101590 VQ552200 V5462500 V5462600 V5274300 V5829200 V5829200 UB245100 UU167100 UB245100 UU167100 UB245100 UU167100 UB245100 UU167100 UB245100 UB245100 UU167100 UB245100 UB245100 UU1671...

Page 41: ...18 C403 C404 C405 C406 C407 C408 C409 C411 414 C415 C416 C417 C418 C503 C504 C505 C506 C507 C508 C509 C511 514 C515 C516 C517 C518 REF NO UU167100 UB245100 UB245100 UB245220 UB245220 UB051330 UB051330 UA353680 UA353300 UB044100 UB044100 UB052220 UB044100 UB044100 UB051330 UB051330 UU168100 UU168100 UB051330 UB051330 UA353680 UA353300 UB044100 UB044100 UB052220 UB044100 UB044100 UB051330 UB051330 U...

Page 42: ...53300 UB044100 UB044100 UB052220 UB044100 UB044100 UB051330 UB051330 UU168100 UU168100 UB051330 UB051330 UA353680 UA353300 UB044100 UB044100 UB052220 UB044100 UB044100 UB051330 UB051330 UU168100 UU168100 UB051330 UB051330 UA353680 UA353300 UB044100 UB044100 UB052220 UB044100 UB044100 UB051330 UB051330 UU168100 UU168100 VI879100 VJ861600 VI879400 VI878700 VK025300 VI878700 VK025300 VI878700 VK02530...

Page 43: ...920 VS133700 LB301920 VS740100 VS740100 RD255100 RD255100 RD250000 RD250000 RD250000 RD250000 VC327600 VC327600 VC329200 VC329200 HF754390 VC326500 VC326500 VC327200 VC328000 VC328500 VC330500 VC329600 VC327100 VC327100 HF754390 RD258100 VC328800 VC328800 VC328900 PART NO AK4393 VF E2 NJM78L05UA NJM78L05UA NJM2068MD T1 NJM2068MD T1 NJM4556AL NJM2068MD T1 NJM2068MD T1 NJM4556AL NJM2068MD T1 NJM2068...

Page 44: ...307 R308 R309 R310 R311 R312 R313 R314 R315 R316 R317 R318 R319 R320 R321 R322 R323 R324 R325 R326 R327 R328 R329 REF NO VC328800 VC329500 VC329500 VC329400 VC329400 HF754750 HF754750 RD258100 RD258100 RD257100 RD257100 VC327600 VC327600 VC329200 VC329200 HF754390 VC326500 VC326500 VC327200 VC328000 VC328500 VC330500 VC329600 VC327100 VC327100 HF754390 RD258100 VC328800 VC328800 VC328900 VC328800 ...

Page 45: ...516 R517 R518 R519 R520 R521 R522 R523 R524 R525 R526 R527 R528 R529 R530 R601 R602 R603 R604 R605 R606 R607 R608 R609 REF NO RD257100 VC327600 VC327600 VC329200 VC329200 HF754390 VC326500 VC326500 VC327200 VC328000 VC328500 VC330500 VC329600 VC327100 VC327100 HF754390 RD258100 VC328800 VC328800 VC328900 VC328800 VC329500 VC329500 VC329400 VC329400 HF754750 HF754750 RD258100 RD258100 RD257100 RD25...

Page 46: ...6 R727 R728 R729 R730 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R818 R819 REF NO VC328500 VC330500 VC329600 VC327100 VC327100 HF754390 RD258100 VC328800 VC328800 VC328900 VC328800 VC329500 VC329500 VC329400 VC329400 HF754750 HF754750 RD258100 RD258100 RD257100 RD257100 VC327600 VC327600 VC329200 VC329200 HF754390 VC326500 VC326500 VC327200 VC328000 VC3285...

Page 47: ... Monolithic Ceramic Cap Monolithic Ceramic Cap Electrolytic Cap chip Monolithic Ceramic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap DESCRIPTION R820 R821 R822 R823 R824 R825 R826 R827 R828 R829 R830 SW101 SW201 SW301 SW401 SW501 SW601 SW701 SW801 TR101 TR102 TR201 TR202 TR301 TR302 TR401 TR402 TR501 TR502 TR601 TR602 TR701 TR702 TR801 TR802 W001 W003 W103 W301 W501 W601 C901 C902 912 C913 C9...

Page 48: ...C903 905 IC906 IC907 IC908 IC909 IC910 IC911 IC912 IC913 IC914 IC915 IC916 IC917 IC918 IC919 IC920 IC922 IC923 IC924 IC926 IC927 IC928 JK901 JK902 K901 L901 910 L911 L912 914 L920 924 L925 L926 L927 935 R901 R902 R903 R904 R905 R906 R907 R908 R909 R910 R911 REF NO PART NO F 0 100 25V Z 0 0820 16V J 0 0820 16V J PHEC 100P TE 51048 13P TE 52045 36P TE 52045 36P TE 52045 36P TE 52045 36P TE 17LE 2309...

Page 49: ...c Cap Electrolytic Cap KS Electrolytic Cap KS Monolithic Ceramic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Electrolytic Cap KS Electrolytic Cap KS Monolithic Ceramic Cap Monolithic Ceramic Cap Cable Holder Cable Holder Cable Holder Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode DESCRIPTION R912 R913 R914 R917 R918 R919 R921 R922 R924 R927 R929 RA901 926 SW901 W052 W905 X901 C1...

Page 50: ...00 HF757470 HF757470 HF756220 HF756220 HF757470 HF757470 HF755390 HF755390 VC330800 VB070300 VC331200 VC328700 VC331200 VC330300 HF757100 HF757470 HF757470 HF756220 HF756220 HF757470 HF757470 HF755390 HF755390 VC330800 VB070300 PART NO 1SS133 1SS176 1SS133 1SS176 1SS133 1SS176 1SS133 1SS176 1SS133 1SS176 1SS133 1SS176 LS MT Y223NB LS MT Y223NB NJM2068D D NJM2068D D NJM2068D D NJM2068D D SLZ 135B 0...

Page 51: ...5 R706 R707 R708 710 R711 713 R714 REF NO VC331200 VC328700 VC331200 VC330300 HF757100 HF757470 HF757470 HF756220 HF756220 HF757470 HF757470 HF755390 HF755390 VC330800 VB070300 VC331200 VC328700 VC331200 VC330300 HF757100 HF757470 HF757470 HF756220 HF756220 HF757470 HF757470 HF755390 HF755390 VC330800 VB070300 VC331200 VC328700 VC331200 VC330300 HF757100 HF757470 HF757470 HF756220 HF756220 HF75747...

Page 52: ...90 HF755390 HF755390 HF755390 HF757100 HF757100 IC174020 IC174020 VV912400 VV912400 IC174020 IC174020 VV912400 VV912400 IC174020 IC174020 VV912400 VV912400 IC174020 IC174020 VV912400 VV912400 IC174020 IC174020 VV912400 VV912400 IC174020 IC174020 VV912400 VV912400 IC174020 IC174020 VV912400 VV912400 IC174020 IC174020 VV912400 VV912400 IC174020 IC174020 XY176A00 XY177A00 XY178B00 VS228900 VS229000 V...

Page 53: ... Fuse DESCRIPTION REF NO KB003560 KB003060 KB003570 KB003070 KB003620 KB003100 PART NO 1 60A JU 1 60A S 2 00A JU 2 00A S 4 00A JU 4 00A S J U V H W B J U V H W B J U V H W B REMARKS QTY RANK 01 01 01 01 01 01 New Parts RANK Japan only ...

Page 54: ...RIVER RECEIVER LINER RECEIVER AND INVERTER to DC CN008 COM RS422 WORD CLOCK IN 75Ω ON OFF SYSTEM RESET D FF SRAM 256K SRAM 256K FLASH ROM 8M D FF DECODER CPU DECODER DIR2 TRANSCEIVER LINE DRIVER DIR2 DATA SELECTOR OR INVERTER to DC CN010 to PN CN960 1 2K F 0 082 1 2K F 0 082 not installed Note See parts list for details of circuit board component parts WORD CLOCK THRU KEC 92534 2 1 to DA CN003 SLO...

Page 55: ...PUT BAL 3 OUTPUT BAL 4 OUTPUT BAL 5 OUTPUT BAL 6 OUTPUT BAL 7 OUTPUT BAL 8 OUTPUT BAL 1 2 OUTPUT BAL 5 6 OUTPUT BAL 7 8 OUTPUT BAL 3 4 TRANSCEIVER DAC OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP REGULATOR 5V DAC REGULATOR 5V DAC REGULATOR 5V DAC REGULATOR 5V Note See parts list for ...

Page 56: ... those originally installed Note See parts list for details of circuit board component parts Ceramic Capacitor Flame Proof C Resistor Capacitor Metal Oxide Film Resistor Mylar Capacitor not installed Metal Film Resistor NJM78M15FA XJ603A00 REGULATOR 15V 1 2 3 1 OUTPUT 2 COMMON 3 INPUT NJM79M15FA XG505A00 REGULATOR 15V 1 2 3 1 OUTPUT 2 INPUT 3 COMMON NJM7905FA XK309A00 REGULATOR 5V 1 2 3 1 OUTPUT 2...

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