Yamaha RX-V990 Service Manual Download

Page: 34 / 85

• PIN CONNECTION DIAGRAM

.ICs

AN78N05

NJM79M12FA
NJM79M05FA

1:INPUT

2:COMMON
3:0UTPUT

l:COMMON

2:INPUT

3:0urpUT

NJM78M12FA
NJM78M05FA

1: OUTPUT

2: COMMON

3: INPUT

MC14576CP

TC4069UBP
TC74HCU04AP
µPD4066BC

µPC457~7

1~W

,~.

LM7000N

M350l~O-062SP

LA3401
LC7535

STK4l41V

TC4052BP

igi~~~5l~AP

~ ij8

BU2090

LC78213

LA1266

TC5l832ASPL-l0
TC9273N-Q09

HD6473724F

650640

4140

• Diodes

lSS133

MTZJ2.0B

lSS270A

MTZJ4.3A

MA185

MTZJ5.1A
MTZJ5.1B
MTZJ6.8A

Anode

MTZJ6.8B

MTZJ13.0A
MTZJ30.0D

SlNB20

D2SBA20

D3SBA20
D5SB20

,~,

YSS223

• Transistors

2SA933S

(0, R)

DTAl14ES

2SA1708

(S, T)

2SAl115

(E, F)

DTAl43ES

2SC4488

(S, T)

2SC2603

(E, F)

DTC114ES

2SD19l5F

(S,

DTC123JS

DTC143ES

DTC143XS
DTC143ZS
DTC144ES

2SA970

(GR, BL)

2SC535

(A. B, C)

2SC1846

(S)

2SA1015

(Y)

2SC18l5

(y)

2SAl145

(0,

2SC2240

(GR, BL)

2SB560

(E, F)

2SC2705

(0,

2SC2878

(A, B)

2SD2396

(J, K)

2SA1694

(0,

P, y)

2SA1302

(0,

2SC4467

(0, P, Y)

2SC3281

(0,

RX-V990

Summary of Contents for RX-V990

Page 1: ...pplicable technical capabilities or establish a principle agent relationship of any form The data provided is believed 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 therefore inevitable and specifications are subject to change without notice or oblig...

Page 2: ...REPLACE WITH SAME TYPE 10A 250V FUSE ATTENTION F601 602 UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE T6 0A 125V Fa01 UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 10A 250V WARNING CHEMICAL CONTENT NOTICE The solder used in the production of this product contains LEAD In addition other electrical electronic and or plastic where applicable components may also contain traces of chemicals found b...

Page 3: ...W REAR 1kHz 0 08 THD 80 25W Dynamic Power per Channel IHF a 6 4 20 130 160 215 31 OW Dynamic Headroom an 1 14dB Power Band Width o oa THD 50W an 10Hz to 50kHz Damping Factor 20Hz to 20kHz an 200 or more Input Sensitivityllmpedance PHONO MM 2 5mV 47kn CD etc 150mV 47kn MAIN IN 1 0V 47kO Maximum Input Signal Level PHONO MM 1kHz 0 02 THD 110mV CD etc 1kHz 0 5 THD EFFECT ON 2 2V Output Level Impedance...

Page 4: ...ppression Ratio 55dB Capture Ratio 1 5dB Alternate Channel Selectivity 400kHz 85dB Signal to Noise Ratio IHF Mono Stereo 80 75dB Harmonic Distortion 1kHz Mono Stereo 0 1 0 2 Frequency Response 20Hz to 15kHz 0 1 5dB Stereo Separation 1kHz 50dB AM SECTION Tuning Range 530 to 1710kHz Usable Sensitivity 100µV m Selectivity 32dB Signal to Noise Ratio 50dB Image Response Ratio 40dB Spurious Response Rat...

Page 5: ...HOW TO START DIAGNOSTIC DIAG Turn on the POWER key while pressing ClO PRO LOGIC and 70mm MOVIE THEATER keys simultaneously and then the DIAG mode is started HOW TO CANCEL DIAG Turning off the POWER key of the front panel or pressing the CHURCH key of the remote control transmitter will restore the normal operation and DIAG will be canceled To keep the setting stored in the memory be sure to check ...

Page 6: ...splayed by pressing the AlB C D E key but not when performing AD check by using DIAG No 8 Components of initial display Example 3 CJ 40 t t RXV990U t t Protection AD Message value Model ROM Market version Protection message When the protection function activated the protection mes sage is displayed and the power is turned off Instantly 1 I After about 0 5 seconds 2 PS After about 2 seconds 3 DC Co...

Page 7: ... BYP 80 L I YSS223 L DOLBY PRO LOGIC section lzr C DSPsection c t RL RR t PS RAM ______ 1 R RX V990 FRONT RAM THR L C L R 12 L R R RL RR CENTER is output with the steering off and at L R 2 RURR is output by way of PS RAM at DSP through FUFR is output by way of PS RAM to MAIN UR at DSP through Electric volume for both the CENTER REAR is changeable by changing the SUB MENU Sub menu FL display Center...

Page 8: ...o Reservation of the initializing DATA of the BACK UP RAM o Then with the POWER key turned off after selecting the SUB MENU FACTORY PST all RAM DATA is initialized Sub menu Keeping on RAM DATA Initializing RAM DATA 7 CAUTION Before setting to the FACTORY PRESET write down the existing preset memory con tent of the Tuner in a table as shown below This is because setting to the FACTORY PRESET will c...

Page 9: ...ENTERMODE PRO LOGIC 70mm MOVIE AUX AUX 100 10kHz 10 PRESET ST 7 TUNING UP ENHANCED TV THEATER VCR2 VCR2 S1 5019kHz 20 PRESET ST 6 TUNINGDOWN LEVEL UP SPORTS VCR1 VCR1 100 10kHz 30 PRESET ST 5 FM AM LEVEL DOWN STADIUM LDITV LDITV S2 5019kHz 40 PRESET ST 4 AUTO MAN L LEVEL REAR EFFECT PHONO SOURCE 100 10kHz 50 PRESET ST 3 EDIT LEVELCENTER CONCERT HALL CD TAPE 1 S1 5019kHz 60 PRESET ST 2 MEMORY CHURC...

Page 10: ...y Note Q617 and Q626 are transistors 2SC1846S for tem perature correction Apply silicone grease to contact surface with the heat sink Item Test Point Rating C Note If the measured vOltage exceeds 6 1mV cut the CENTER R720 0 1mV 6mV lead wires of R682 and then check again if each measured value satisfies the rating Note If R682 has already been cut off and idling current does not flow reconnect R68...

Page 11: ...cillator Test point Dummy antenna FM dummy antenna FMSG 500 r E1 W E2 1_ E2 dB E1 dB 6 dB FM dummy antenna r RX V990 RECEIVER 750 AMSG 500 E1 E2 MOO t RECEIVER 750 750 I E2 dB E1 dB AM dummy antenna r 10KO a o It a I I Q 0 II GND MONAURAL DISTORTION ADJ ANTENNA DISCRIMINATOR BALANCE ADJ FRONT I AM SENSITIVITY ADJ SIGNAL METER ADJ rr tu o PK1 o FRONT END SEPARATION ADJ 1 _ Viewed from the Bottom 1F...

Page 12: ...nna FM SG REC I lOUT Step Adjustment item Reception Adjustment Test point Rating Signal ANT IN frequency point 1 Rough adjustment of FM ANT 750 98 1MHz T1 Both ends of R25 DC OV 100mV discriminator balance 98 1MHz A 4 Front side core Between TP1 and TP2 70dBµ MONO 1kHz 100 modulation 2 Rough adjustment of Same as Step 1 98 1MHz T1 REC OUT L R Minimize the dis monaural distortion A 4 Antenna side c...

Page 13: ...MHz 98 1MHz 2 SIN should be 30dB at each 106 1MHz A 4 frequency of 88 1MHz 106 1MHz 98 1 MHz and 106 1 MHz A 7 3 Check to ensure that the voltage at the ANT terminal is 3dBµ 14 25dBf or less 10 Adjustment of FM ANT 750 98 1MHz VR2 RECOUT L R With SSG output at L or R the Separation 98 1MHz A 4 signal leakage level at the 70dBµ other channel should be mini Stereo Lor R mized 1kHz 36dB or more 100 m...

Page 14: ...mized 1440Hz 50dBµ 1kHz 30 modulation 2 Verification of AMANT 630kHz T2 RECOUT Audio output should be sensitivity 630kHz B 1 maximized 630kHz 50dBµ Repeat steps 1 and 2 1kHz 30 modulation 3 Verification of AMANT 630kHz AMANT Distortion should be 10 or less at sensitivity 630kHz B 1 each frequency 1080kHz 1080kHz Check to ensure that the voltage at 1440kHz B 2 the ANT terminal is 54dBµ or less 30 m...

Page 15: ...ORM AO R channel operation amplifier connected to terminal 10 VORP AO R channel operation amplifier connected to terminal 11 AVDD A 5V power supply Analog section 12 DGND Ground digital section 13 TESTI Ic LSI test terminal Normally connected to DGND 14 IC Ics Initial clear terminal Power ON resetting is necessary 15 OVF 0 ND Converter Overflow detect terminal 16 CRS Its Microprocessor interface r...

Page 16: ...ord clock terminal 48 256FS 0 External ND converter 256fs clock terminal 49 ADD It External ND converter data input terminal 50 64FS 0 External ND converter 64fs clock terminal 51 XO 0 Crystal oscillator connecting terminal 52 XI I 53 DGND Ground digital section 54 AVDD A 5V power supply Analog section 55 FR AO FR channel D A input 56 FL AO FL channel D A output 57 CHL A L1NS input Sample hold Cap...

Page 17: ...ut level for the characters in the composite video signals The color of characters is white 10 CVIN Video input Input terminal for external composite video signals When making a superimposition the character output and other features are superim posed on these composite video signals 11 Vss Ground terminal Connection to GND 12 PO Port 0 output Port terminal output or character baCkground signals B...

Page 18: ...STOUT I Stop request Tuner 3 P06 ISTSIG I Signal in Tuner 4 P07 1ST I Stereo in Tuner 5 AVSS AVSS GND for A D 6 TEST GND 7 X2 N C 8 X1 5V 9 VSS VSS GND 10 OSC1 OC1 Clock 8M Hz 11 OSC2 OC2 12 IRES RES I Reset 13 P10 lRQO DET I Power down detect 14 P11 1RQ1 REM I Remote control 15 P1211RQ2 RM2 N C 16 P1311RQ3 VSY I Superimpose Vertical Sync In 17 P14 IPRI I Speaker protection detect 18 P15 N C 19 P1...

Page 19: ... 55 P76 FD14 2G 0 56 P77 FD15 1G o 1 57 VCC VCC 5V 58 P80 ASA 0 A D select 4051 59 P81 ASB 0 60 P82 ASC 0 61 P83 SPR 0 Speaker relay CENTER REAR PHONES 62 P84 SPA 0 Speaker relay MAIN NB 63 P85 SPB 0 64 P86 PRY 0 Power relay 65 P87 FMC 0 Full MUTE 66 P90 lIE 0 Video Type Select Internal synchronization 67 P91 SCK1 SCK 0 LC78213 TC9273N LC7535 LM7000N Serial clock 68 P92 CKB 0 BU2090 Serial clock 6...

Page 20: ...ff5 uJ Q ot j 1 8 _ cr o So gi g lli I 0 i 1 R g 2 cr UJ ffi z d 1 1 tij g f 1 1 M I I I I IIg 2 z 0 ffi_ I u 1 l I g I J z g J iii Q 2 I J l L L I yr UJ 1 8 u I Iii 0 8 1 1 i 2 I I L UJ Jo u j L jl go I I I J Q j IU z o z o 19 ...

Page 21: ...UT R L r IN R VCR2 L L OUT R INPUT SELECTOR TAPE 2 MONITOR l TEST BYPASS IC3 lel0 ll i II R 41 I I lelo MAIN DSP ICl FRONT MIX IC3 I I 1 1 I I I I XL8Ql s SUB 1 TL c 18 F602 I L 4t R 1 DISCRT C C401A INPUT V C L r L 1 OIB SUR _v l SL R OlC SA R DSP SYSTEM CONTROL CONTROL rUNEA VIDEO SELECTOR CONTROL SYSTEM DSP CONTROL 881TCPU IC801 SYSTEM DSP CONTROLLER 20 ...

Page 22: ...602 I J w RR I J I l I j I I ___ J 1 07rol 8 0 CENTER I DRIVE 0601 604 meREAR L PRE OUT REAR It 1 R 0704 607 608 S 0 REARR J LEVEL It 11 1C207 I I LCNVPASS S I 07021 1 IIC2061 SW 8 VIDEO LOiTV Ov I r IN 0 VCR 1 IC574 I L OUT T 1 Icsn INHIBI VC IN 0 CS 74 J I L OUT l 3 _ V AUX 0 I I S VIDEO r IN INHIBIT VCR 2 17 5 1C50211 L OUT 1J IC503I 1C507 V1C505 LINHI8 l 1 IC504 MONITOR OUT 0502 0503 V AUX I I...

Page 23: ...0 j j W 0 Z 51 W j A B c o RX V990 PRINTED CIRCUIT BOARD Foil side 1 o 0 I P C B MAIN 1 602 TO MAIN 4 CB618 P2SIG 41 G TO MAIN 2 W601BP241B sl J FROM POWER TRANSFORMER rr t 3i 7 __ k SH 1 f 1 r 1 1 i o m z m D 2 s z 3 1I1Jl 1 I 4 22 6 ...

Page 24: ...B3 0605 B2 0606 F2 0607 B2 0608 B5 0615 F3 0616 E3 0617 04 0618 F3 0619 F3 0620 F3 0621 F3 0622 F3 0623 F3 0624 F3 0625 E4 0626 F4 0627 F3 0628 F3 0629 F4 0630 F4 0631 F4 0632 F4 0633 E2 0634 F3 0635 F3 0636 F2 0637 04 0638A C4 0638C 04 0639A C4 0639C 04 0640 04 0641 F4 0642 C4 0643 C4 0644A F4 0644C E4 0645A F4 0645C E4 0646 F2 0647 F4 0648 G4 0649 G4 0650A F2 0650C E2 0651 F2 0652 F2 0653 F2 065...

Page 25: ... SEPARATION ADJ I P C 8 TUNER I AM SENSITIVITY ADJ 750 UNBA FM 50kH 100kH TO OSP 2 CB453 P26 10 51 DISCRIMINATOR BALANCE ADJ FRONT MONAURAL DISTORTION ADJ ANTENNA Il o s I P C 8 MAIN 2 I LOW CENTER REAR OUT PASS OUT CD REAR I I I I I TO MAIN 1 W601A P22 Q 604 TO MAIN 4 CB619 P25 IG 41 24 ...

Page 26: ...B MAIN 3 I TO MAIN 1 CB614 P23 E 3I I P C B MAIN 4 I FROM MAIN 2 W604 P24IB 5I FROM MAIN 1 W602 P231E 21 Semiconductor Locations Ref No Location IC602 F3 IC603 E2 IC604 F2 IC605 F2 IC606 F2 0659 F4 0660 F3 Ref No Location IC 1 C3 IC 2 B3 IC 3 B2 Q 1 C2 Q 2 B2 0 3 B2 Q 4 C2 Q 5 B2 Q 6 C2 Q 7 A3 25 ...

Page 27: ... 1 I FROM DSP 2 CB454 P26 1 B 51 CV TEST POINT WAVEFORMS See page 38 TO FUNCTION 1 CB301 P31 F 4 2 TO FUNCTION 1 CB309 P31 1F 4 1 I P C B DSP 2 FROM TUNER CB4 P241B 3 1 FROM DSP 1 CB2 P261C 21 FROM FUNCTION 1 CB302 P31 1F 3 1 FROM FUNCTION 4 CB FROM OPERATION CB803 P28 1 C 41 ...

Page 28: ... No Location IC 3 82 IC 4 83 IC 5 C3 IC 6 C3 IC 7 03 IC 8 03 IC 9 03 IC 10 02 IC 11 C2 IC 12 C2 IC 13 83 IC 14 82 IC 15 C3 IC 16 83 IC 17 C3 IC 18 C3 IC201 F2 IC202 E2 IC203 F2 IC204 E2 IC205 E2 IC206 E2 IC207 E2 IC208 E3 IC212 83 IC213 E3 IC451 F5 o r C s m I P C B DSP 6 I VIDEO AUX S VIDEO VIDEO ...

Page 29: ...page 36 IL2l DSP 1 CB3 P27 FROM AIN 1 CB4 P271F 41 FROM B603 P231G 3i I P C B DSP 3 701 TO MAIN 1 CB602 P231G 3 FROM DSP 6 CB706 P27 1 G 51 PHONO If 0 REC OUT OVCR2 o VCR 1 o 0 TAPE 1 0 LD TV SOURCE P C B DSP 4 REC OUT I P C B OPERATION FROM DSP 2 CB452 P26 FROM MAIN 1 CB613 P23 28 ...

Page 30: ... 4 5 RX V990 Semiconductor Locations Ref No Location IC701 E2 IC702 02 IC703 B2 IC704 02 0701 B2 0702 B2 0703 B2 0704 C2 0707 C2 0708 C2 0709 C2 0710 C2 0711 D2 0712 02 Ref No Location IC801 E5 IC802 02 0801 F4 0802 F5 0803 F5 29 ...

Page 31: ...nductor Locations Ref No Location IC301 G3 IC303 G3 IC304 F3 IC308 G3 IC501 03 IC502 03 IC503 03 IC504 04 IC505 03 IC506 03 IC507 03 IC508 04 IC509 C4 IC510 04 IC571 83 IC572 83 IC574 82 0301 H2 0302 H2 0501 E3 0502 E3 0503 03 0504 E2 0505 04 0506 04 0507 C4 0508 C4 0509 C4 0510 C4 0571 83 r C J C JeL _ L eL Cl CO 00 o a u 3 on P C B to connect with MAIN 1 for voltage _ 4 It is Included In P C B A...

Page 32: ...UDIO C J 0 I I I I Z r 0 I C J I 0 CO W CO W Q a a a a a 0 31 P C B FUNCTION 1 I Z i Z WI a 0 0 0 C J Q co 0 Q CI 0 C J 0 C J a _Q LL z3 0 co o 0 a LL o 0 LL r 1 0 C co zo O I 00 ZC J C LLQ o 0 LL FROM DSP 1 W201 P2710 31 ...

Page 33: ...TION 3 r IN VCR 2 LOUT c o 5 LDfTV LDfTV MAIN LDfTV CENTER LDfTV SURROUND FROM FUNCTION 1 P31 IG 31CB304 P31 IG 31CB303 U C models I P C B FUNCTION 6 I 0 61 I I ___ l iC B S IIIJ I Z n D 0 s I I _ _ m _____ O p 1 Il 11111 li i f I 0 co 0 liJ DO I tJ zm r v r v J D Tl NI 0 TEBOl 71 JJ AC m OUTLETS JJ 32 ...

Page 34: ...09 HD6473724F 650640 4140 o 0 80 25 1 4 Diodes lSS133 MTZJ2 0B lSS270A MTZJ4 3A MA185 MTZJ5 1A MTZJ5 1B MTZJ6 8A Anode MTZJ6 8B b MTZJ13 0A MTZJ30 0D SlNB20 D2SBA20 D3SBA20 D5SB20 4 28 1 YSS223 Transistors 2SA933S 0 R DTAl14ES 2SA1708 S T 2SAl115 E F DTAl43ES 2SC4488 S T 2SC2603 E F DTC114ES 2SD19l5F S n DTC123JS q DTC143ES B DTC143XS DTC143ZS DTC144ES C E E 2SA970 GR BL 2SC535 A B C 2SC1846 S 2SA...

Page 35: ...ontrolled Volume L5dB IN R5dBIN RCTl CLK i DI d l o l 34 IC15 17 704 NJM4558L IC701 NJM2068L D DualOP Amp IC208 BA6229 Motor Driver f f o 0 r 3 8 9 J 3 4 l 3 V I I CONTROL I IT 5 6 IC212 µPD4066BC Quad Analog Switch Multiplexer rlN OUT Cl SIG A lOUTIlN rOUT lN 3 SIG B L lN OUT 4 11llN OUTl SIG D OUT INJ CONT B 5 CONTC 6 9 OUT lNl SIG C lN OUTJ Veel VR GND ...

Page 36: ...ial In Parallel Out Driver No Name Function 1 VSS GND 2 DTB Data in 3 CKB Clock in 4 TMT Tuner mute out 5 VIB Video selector B LA7956 6 VIA Video selector A LA7956 7 VIND Volume indicator 8 CES Chip enable M35010 9 STEQ IF request 10 CE7000 Chip enable lM7000 11 IMONO Force Mono out 12 CEl2 ChiD enable lC7535 FRONT 13 CEl Chip enable lC78213 lC7535 lC78213 14 CET Chip enable TC9273N 15 ICRS Reset ...

Page 37: ...I FI3 j 1 n 21 OOK I 1 1t 0 I I w m 3 03 il J 1 DJ f lh 3 5 r 1 I 330K f OATA j mMETEO IQ u 0923 J 1 2 f 1 tt 1 j r I I u S 05 R b L LHHii 5 I m I S T u p u 0 I 2 h m 0 9 crr II SI PA AT _ I 0 S SIGNA ETER ADJ 0 g is I G I is a 0 I u _ I J 0 FMIF gO FM I ii AMOSC RaJ FMOSC t 3 4 I D 13 D a ID STOUT I el I i i 2 2M me a I i l15 C7 UJ I µC L _ 1 I L f1_4 o mL __ _ __ J 2 2K 1 50 3 g Ursrp a I l I 4_...

Page 38: ...30 6 65 8 26 27 9 66 91 27 27 9 67 I 2 27 9 68 19 23 2 69 30 30 6 70 4 9 31 25 4 7 32 30 6 72 4 8 l3 25 8 73 34 11 4 74 4 8 35 1 11 8 75 4 3 36 1 20 4 76 9 37 1 18 4 77 3 9 38 t 6 78 0 4 39 0 8 79 40 28 3 80 2 9 10 11 I I I0 1 0 1 0 1 ii 1 I I I lfl I I 21 I 0 1 1 01 lfil 62K R853 821 6 t DBQI 2 J 4 9 IS5133 5 6 08 2 l2o 04 7F S 5 0 OoveG I USOt SPS 424 t RESET R820 62K 1 1821 R822 a2k 82K R823 82...

Page 39: ... 0 C3330 R S T I l2vl I I I IC3 3 2 3 1 3 2 3 1 3 2 3 2 3 2 3 1 3 1 3 1 3 2 3 1 3 2 3 1 3 1 3 1 3 7 3 1 o 5 2 0 0 4 0 4 0 4 9 0 3 3 O 2 7 2 8 2 7 8 4 2 7 4 9 2 7 2 8 2 7 6 8 2 7 6 8 3 4 1 7 I 9 9 9 I B I U C R B G I 2 PK VR24220 Vl l24220 VR24220 V098760 3 5 6 7 C2I lOOP lOOP lOOP X B R3 10K 10K 10K 27K 9 J51 0 0 0 X 10 R4B X X X 4 7K I T3 X X X VQ36570 12 R35 2 2 22K X t3 C36 37 680P 680P 470P 39...

Page 40: ......

Page 41: ...5 0 47µ R3 J C31 r I OOK LlO R7 C30 Gl3 R5 f oo a 1 aµ OOK R2 R9 470PI 27K 00 3 R21 C2 c271R12 470 2P 0 0181 1r 10K 05 2SC461 C16 C17 I RlO 2P ap 4 7K L6 C2 m C25 C14 DT4 R13 0 01µ 0 018µ 0 01µ 47P SVC212 10K 2 3 4 5 IC3 LA3401 MPX Point CD Pin 1 of IC2 V 2V div H 50nsec div V801 16 BT 29GK VS599400 ...

Page 42: ...T C31 r lOOK l10 R7 C30 CI3 RS f 001 1 µ lOOK R2 R9 470PI 27K 100 3 R C29 c2 1 RI2 470 2P 0 01811r 10K as r 2SC461 C16 C17 f RlO 2P P 4 7K L6 C20 C12 C25 C14 D14 R13 0 0111 0 018µ 0 01µ 47P SVC212 10K 1 3 4 5 IC3 LA3401 MPX Point CD Pin 1 of IC2 V 2V div H 50nsec div V801 16 BT 29GK VS599400 ...

Page 43: ...4051AP Analog Multiplexers Demultiplexers 6 L LEVEL I BINARY TO l OF 8 I 9 CONVERTER DECODER WITH INHIBIT J I U1 7 J w 3 5 2 4 g J A B C vss VEE XO X X2 X3 X4 X5 X6 X7 INHIBIT VDD Other ICs x INPUT STATES ON CHANNEL S INHIBIT C B A 0 o D 0 0 0 o 0 1 1 0 o 1 0 2 0 0 1 1 3 0 1 0 0 4 0 1 0 1 5 0 1 1 0 6 0 1 1 1 7 1 X X X NONE IC801 HD6473724F See page 17 ...

Page 44: ... c c c d d d d d d d d 3 e e e e I e e e e f f f f I f f f f 0 0 m a I a I a a Q a m n h I h h I h h h i o i o i I i i I i i i r h n k r k I k I k j k k k Do h m I m I m I m m m kHz STEREO n I n j n I n n n MHz B1 0 I 0 I 0 i 0 0 0 NORMAL 82 r r I r T r r r lS A WIDE 83 t I t I t I t t t 9S B PHANTOM B4 u u u u u u ROOM 2 B5 ENHANCED AM MEMORY CINEMA oE Xl PRO lOGIC ENTER S1 FM i laIl DSP SLEEP 70...

Page 45: ... AIN OUT LR PHOr lu L r L TAPE1 PLAY L R r L IIA I 3 TAPE1 REC L R N r L TAPE2 PLAY L R 4 r L TAPE2 REC L R r L MAIN IN L R 5 J 7 PollOi PJ302 J3 10 PJ302 PJ302 i 3J7 i7d PJ302 PJ302 Jg BUFFIER iRJ 6 P oro 16 I C J lvj j l 10 PJ302 PJ303 R j 3 I I I I I ...

Page 46: ...I II I I 1 lglgl I I I I I VCRi PLAY L R r L I I VCRi REC I r L R r L 10 7 10t b go Q 11l N g l l R4ll8 VCR2 PLAY L R r L 416 R409 I 16 R4tO VCR2 REC L R r L 8 1d 11 LO TV l l 1 LI R412 L R f r L R 9 416 C420 JO TV C 5CH OISCRT PJ404 RL L RR PJ404 I 10 I 37 ...

Page 47: ... SEL A 9 0 1 2 3 5 6 7 B 9 0 11 12 1314 10 0 I vjlelKl I n r I t 11 0 12 0 LJj 2 8 IE 13 4 8 14 0 1 15 0 INPUT REC OUT 16 0 17 0 SELECTOR 18 0 19 0 20 0 21 0 rc 1 22 0 I 23 0 272625 24 23 22 21 20 19 18 17 t6 24 0 t 2 3ICf i 6 7 8 71rn3 t 25 0 w 26 0 27 0 28 10 9 w e OO T2 I PIt I J J oJ J giE _ CII UH r HIl III IlT sa L _ l o LII TC9273frH 9 l VUL RECOUTSEl l V2Il Nllef l1 rrern l L J I I I I I ...

Page 48: ...10 0 AUX t _ S 13 00 I p IC572 r 11 0 rIN 12 0 f VCRI LD 13 0 VCRi VCR2 TC4052SP N 14 0 LOUT P I 11573 1000 6 3 NJX 3 15 0 ICS72 i 16 4 9 IFUNCTION 3 Ii T l ro 7t to t I u P 2 lC572 rIN 1 1 0 VIDEO AMP i 2 o C fu VCR2 8l4 3 0 LOUT P 11576 1000 6 3 L 4 0 I 7 b 1 107 5 0 I Il 75 73 57 P I 6 4 8 7 4 9 0 I u MCl4576C 0 _ 8 0 I P l 07 9 4 8 10 4 8 LD 1 11 o l I 4 9 4 9 12 0 I w 13 H I f Y 14 Pj 572 A57...

Page 49: ...I PARTS NAME NO MARKiELECTROLYTIC CAPACITOR TANTALUM CAPACITOR NO MARK CERAMIC CAPACITOR SEMI VARIABLE RESISTOR CHIP RESISTOR CERAMIC TUBULAR CAPACITOR POL VESTER FILM CAPACITOR o POL YSTYRENE FILM CAPACITOR Ref U C D MICA CAPACITOR 0 II 12 13 15 16 17 I 19 20 21 22 23 2 25 26 27 29 30 XS050 VU82130 POL YPROPYLENE FILM CAPACITOR SEMICONOUCTIVE CERAMIC CAPAC ITO PCB InterChangeable Parts at Manufac...

Page 50: ... 5 1 TC405380 0 1 C REC C506 o li O 11 v 8 P I l s AUX 121C502 C I 15 SPI IN 1 9 NN liP LD 11 13 0 25 45 H JK501 VCRl15 c l IC 4 0 1 µ 14576CP 1 25 A5 C IIOt 0 II rQ I TC4052BP 1C506 I 7S 1 0 I 2 0 1 C508 1 0 j _ T I I 1 0 14 4 9 1 1L25 i1 iW C I 1 0 t TJI 50I T 1 I CSl3 1 p I C509 VC YIIOt 1 a y REC 8 I 75 1 _ J g I I I IAUX 1C503 1_ 000 6 3 115 6 0 8 LD 16 3 CSt 5 7 7 J CR2_ INtI 1 9 O i f 0 MC1...

Page 51: ...ltiplexer VDD CONTROL INPUTS ON CHANNEL INHIBIT C 8 A OX Pin 12 OY Pin 2 OZ Pin 5 Pin 6 Pin 9 Pin 10 Pin 11 1X Pin 13 1Y Pin 1i 1Z Pin 3 L L L L OX OY OZ L L L H 1X OY OZ L L H L OX 1Y OZ L L H H 1X 1Y OZ L H L L OX OY 1Z L H L H 1X OY 1Z L H H L OX 1Y 1Z L H H H 1X 1Y 1Z H NOTE Don l Care IC509 TC74HCU04AP IC510 TC4069UBP Hex Inverters 1A I tHlvoo I I V v J 1Y I 6A V v 2A I tIg 6Y IC304 NJM2068L ...

Page 52: ...C g IIl lI lI V I 961 o 0 I E ISSl L l 6 v 9 I 0 9 6 W f 6 o 9U Si 0 V It i 0 8 dJI I690vJl o rll f xoee 5 0 0 II 00 sri n 8 v o 0 H 13 0 9 0 V V 0 i Lt r I c c T I V d9 l690r Jl It 0 1iJ ill J p L oGoo 0 9 0 o Ol lI w 0 9 P In Io w l 9 T 1l t Qj E j ru V 1i2 2 6 1 i 1 eGQl O Il 8 ISS1 y u I Ok u I ll 0 099 r i nc p f l 0 Mel 5 lSSl B nSSl L lt 605 1 S 605JI 60SJI S1 ctJ o Ii9 It lip 1 3 S Sf dvt ...

Page 53: ...IAGRAM DSP I OSPAMP I I 1 I cal I I C 0 FE BT II II II I I r L C212 _0_ 2 0 I 3 0 4 0 I 7 8 7 8 0 TU 0 11 0 12 8 8 13 8 8 14 8 8 C78213 r 25 t iI r25 I Ie3 c iO 11 5 I I Aies 10 9 10 9 1U5 I 41IC 10 91 I 3 31 330 I 8 6 3 3 lete __ _ t 1 ...

Page 54: ...1t 0226 A1K 1 24 411 1 247 _LJ _ 1 RL II IC213 VOLUME 1 0 2 0 AMP 3 0 4 0 5 0 CEL SOT f6TO 1 1 6 T SCK 8 0 9 0 10 0 11 0 12 11 5 13 0 14 0 1 15 4 8 16 0 17 0 I 18 10 9 I 19 10 9 I 20 0 I 0 22 0 23 0 24 0 MAIN VOLUME 25 0 26 0 27 0 28 8 8 29 8 8 LD TV 5ch SELECTOR 30 I B A L__ __ m J ...

Page 55: ...37 36 35 j 28 8 8 p 2 4 Ctl 123 5 7 9WU 8M D 20U 2S U 29 8 8 l 42 4 I 18 t 181 I l ll I I A lPC4570HA x Ii 30 8 8 I III I I I II I J V 1413 12 11 10 9 B 7 6 5 3 2 21 570 6 I TC5t832A 10 ti C 17 ctp al I gIi lI I i il1 1l I Q Am c If m o 5 lre wi 2 T C O RAM f i E ST Oy CEL2 CEL 330P lOO 2 4 G 4 9 IC7 lC8 SOT sa 11 33 4 8 I 11 4 8l OT 1 2 2 4 I 34 4 6 I I 2 I ICRS 0 3 0 4 35 XCI 10 9 4 2 4 36 2 4 4...

Page 56: ......

Page 57: ... VSSr VOO C lOt J J K I Lr P361 F 31 TlOtER 47 J6 I P3 I fl IIIII1 I I I J FMCI lC451 1 0 2 0 3 0 4 4 4 5 4 8 6 4 8 7 0 8 4 8 9 0 10 0 11 4 1 12 0 13 0 14 0 15 4 8 16 4 8 R475 2 21 I I I I PORT _ 1051 121 1 EXPAND_ER _ ...

Page 58: ...RATION Nark Reference Parts NullOe Parts Na e 109 AN70N0 L78N05 i2 13 IC8 TC5j832ASPL 10 HM65256BLSP 10 0708 7tO 711 2SAll Hi ElF I 2SA933S10IA1 2SAl309AlaIRIsJ l5 0707 709 712 2SC26031 ElF I 2SC1740S IRIs I 2SC33 11A Q RIS J 9701 704 2SDS9t5F S TI 2SC287BIAIIlI 01 701 709 ISS133 HSSl04TD dOOl I I II II II I REC OUT SEL I I I I I IJ I w 2 R711 P371 K 31 Interchangeable Parts at Manufacture Stage P...

Page 59: ...CHURCH JAZZ CLUB ROCK CONCERT STUDIUM 3 SPORTSfTV THEATER 70mm MOVIE THEATER ENHANCED CAPACITOR RESISTOR REMARKS PARTS NAME NO MARK ELECTROLYTIC CAPACITOR TANTALUM CAPACITOR NO MARK CERAMIC CAPACITOR CERAMIC TUBULAR CAPACITOR POLYESTER FILM CAPACITOR 0 POLYSTYRENE FILM CAPACITOR H D MICA CAPACITOR POLYPROPYLENE FILM CAPACITOR SEMI CONDUCTIVE CERAMIC CAPACITOR REMARKS PARTS NAME NO MARK CARBON FILM...

Page 60: ..._____J VUB2150 XS061 XS061 All voltage are measured with a 10MnlDC electric volt meter Components having special characteristics are marked Lf and must be replaced with parts having specifications equal to those originally installed Schematic diagram is subject to change without notice 38 ...

Page 61: ...1 A B I c RX V990 SCHEMATIC DIAGRAM MAIN I I I 2 3 I I I I l I MAIN L I co C 0 4 I l I 5 I I I l ...

Page 62: ...6 7 8 9 10 II 0 tJ RE II I 8 11 11 li r i __ __ C 10 7 1 0 I MAIN POV I SUPPL REGULATOR I 7 t T I IAC46 5 7 5 OR z l t L 1 r pOR f t t 1 s CBIi 2 t iP io 45 8 B 56OIuFJ T 50 7 REGULATlOR I 39 ...

Page 63: ...o F E f J g J J J J J J SIlVA j MAIN L POWER A IDLING CURRENT ADJ L ch J J I I I CENTER I I I 1 I I lP47 oJ 1 1h1 8 113 1P047 7 IDLING CURRENT 113 _ ADJ R ch g 0 065 1 0 EI 0 1 I 330K lB ...

Page 64: ...1 0 0 I cY 152 3 I i 52 am t V r153 N m CENTER POWER ER I V 6 I t 1 1 bl t 20 IMAlNI ill o tJ R6R 22K I u 18 9 R 43 221 r8 t i R644 10K I I R64 I a 1 10K I I L I II I Ii I i NN I f I w w w w I I 606 P361 G 10 I II L__ ...

Page 65: ... 11 694 10H204024CTIMIMG R 7 I DH2 402 0TIMING l I RY 12W OH t I I r J 0 o R735 2P I I o J R7361 2P RVi H K I I I I ll OTI I l603 0ri003 53 CENTER SP 5 FOOl 602 S2 1 60 53 1 602 4 1 603 85 C714 721 s6 C715 717 727 73tJ 87 C7 5 C719 72O 9 C131 732 SlO C63tJ 63 U C62J 631 2 C640 13 C636 st4 C62B 5 C63B 16 R655 67C 817 C735 st Q638 63f 644 4 lC602 1 0 1 2 0 1 I 3 0 4 31 2 I 5 1 3 I 6 0 7 I 8 I 9 31 2...

Page 66: ...5 2S 933S 25A13091 13 0601 608 2SC2603 2SCt740J 2SC331iJ 0603 607 613 619 15 133 625 631 HSS IJ 4TI IC603 1 i 3f 1C605 N If78Mla 783 R7 NJM78M05FA 18 9 14 9 5 0 ffii J 11 P PI bo m 0 a 0 u 2 u j U D 0 16 F 0 _ 0 0 1 19 7 c 1 8 R784 0786 I 7 2f PI I 21 33 1 T NJM19M05FA IC604 07 1C606 21 33 1 IN1311 N N i f i RESISTOR REMARKS PARTS NAME NO MARK CARBON FILM RESISTOR 0 CARBON FILM RESISTOR METAL OXID...

Page 67: ...00 lDOOP 1000P lBOOP taP 500 500 27P SOO 47P 500 7P 500 82P 500 47P 500 47PI5OO 220P 70 0 3go X X 0 01 16 Al694 C446710 p vl Al69 C C4E71 O P y I Al C4 467 O P Y A1633 C42781 O EIF I A16331c427BIDIElFI 940 CSl97IR101 940 CSl97I RIO IC602 STK4141V 2 Channel AF Power Amp 8 I i B IN B IN Cl Z l REAR POWER AMP I Ie 2 123456 STK4141Y 7 B 9 10 11 12 13 14 15 16 t7 1 illJ U 22 16 a gr I 4 lQ 01 C674 R753...

Page 68: ... TOR RESISTOR l R CAPACITOR REMARKS PARTS NAME NO MARK ELECTROLYTIC CAPAC ITOR U TANTALUM CAPACITOR NO MARK CERAMIC CAPACITOR CERAMIC TUBULAR CAPACITOR POLYESTER FILM CAPACITOR 0 POL YSTYRENE FILM CAPACITOR H I MICA CAPACITOR POLYPROPYLENE FILM CAPACITOR SEMICONOUCTIVE CERAMIC CAPACITOR All voltage are measured with a 10MDlDC electric volt meter Components having special characteristics are marked...

Page 69: ...ISCRIMINATOR FERRITE BEADS FERRITE CORE CHIP FET FLUORESCENT DISPLAY CERAMIC FILTER COMB FILTER MODULE LC FILTER EMI GROUND PLATE GROUND TERMINAL FUSE HOLDER IC PROTECTOR JUMPER CONNECTOR JUMPER TEST POINT LIGHT DETECTING MODULE L EMIT LED DSPLY LED INFRD MODUL RF PHOT CPL PHOT INTR PHOT RFLCT PIN TEST PLST RIVET R ARRAY R CAR R CAR CHP R CAR FP R FUS R MTL CHP R MTL FLM R MTL OXD R MTL PLAT RSNR ...

Page 70: ...M B47Kn C22 VJ839200 C EL 2 2uF 50V VR2 VJ694000 VR TRIM B47Kn C23 VF467300 C CEoTUBIR O OluF 16V XLI QU003800 RSNR CRYS 7 2MHz C24 UM416470 C EL 4 7uF 50V XL2 GGOO0750 RSNR CE 18 95MHz C25 UM216330 C EL 3 3uF 50V BB071360 SCR TERM 8 3x13 C26 VJ836900 C EL 10uF 16V VR282500 PLATE ANT C27 VF467300 C CE TUBIR O OluF 16V C28 VA761200 C CE 33pF 50V C29 VJ839100 C EL 1uF 50V C30 VJ839100 C EL 1uF 50V C...

Page 71: ...220 C MYLAR 220pF 50V C408 UA652220 C MYLAR 220pF 50V C409 UA652220 C MYLAR 220pF 50V New Parts Schm Ref PART NO Description C4lO UA652220 C MYLAR 220pF 50V C411 UM417100 C EL 10uF 50V C412 UA652470 C MYLAR 470pF 50V C413 UA652470 C MYLAR 470pF 50V C414 UM417100 C EL 10uF 50V C415 UM417100 C EL 10uF 50V C416 UA652470 C MYLAR 470pF 50V C419 UM417100 C EL 10uF 50V C420 UM417lO0 C EL lOuF 50V C421 Vj...

Page 72: ...JACK PIN 4P PJ302 VJ794600 JACK PIN 6P PJ303 VJ794600 JACK PIN 6P P 401 VM726000 JACK PIN 6P P 402 VM726000 JACK PIN 6P P 403 VK437600 JACK PIN IP New Parts 43 Schm Ref PART NO Description P 404 VM725700 JACK PIN 2P PJ571 VJ695900 JACK PIN 3P PJ572 VJ695900 JACK PIN 3P Q301 iC287820 JR 2SC2878 A B Q302 iC287820 JR 2SC2878 A B Q501 iC260320 JR 2SC2603 E F Q502 VH964100 JR DGf DTA143ES Q503 iC260320...

Page 73: ...F 50V C666 FG251220 C CE 22pF 50V C667 UM407220 C EL 22uF 16V C668 UJ667470 C EL 47uF 50V C669 VF964800 C EL 100uF 16V New Parts Schm Ref PART NO Description C670 FG212470 C CE 470pF 50V C671 UJ667470 C EL 47uF 50V C673 FG212470 C CE 470pF 50V C674 UM407220 C EL 22uF 16V C675 FG213100 C CE 1000pF 50V C676 FG251220 C CE 22pF 50V C677 UA655100 C MYLAR O luF 50V C678 UA655100 C MYLAR O luF 50V C679 V...

Page 74: ...00 1R 2SC4488 S T New Parts 45 Schm Ref PART NO Description Q647 VP872700 1R 2SC4488 S T Q648 VP872600 1R 2SA1708 S T Q649 VP872600 1R 2SA1708 S T Q650A iX801420 1R 2SA1302 O R Q650C iX801430 1R 2SC3281 O R Q651 VP872700 1R 2SC4488 S T 0052 VP872600 1R 2SA1708 S T Q653 VP872600 1R 2SA1708 S T 0055 iA097000 1R 2SA970 GR BL Q656 iC224030 1R 2SC2240 GR BL Q657 iC224030 1R 2SC2240 GR BL Q658 iC224030 ...

Page 75: ...32 HV453220 R CAR FP 2 211 l 4W RY601 KC002020 RELAY DH24D2 0lM RY602 VM640200 RELAY RY12W OH K DC12V RY603 KC002020 RELAY DH24D2 0lM RY604 KC002020 RELAY DH24D2 0lM RY605 VK438300 RELAY DH24D2 01M SW609 VN121000 SW PUSH SPUN19 2N W New Parts Schm Ref PART NO Descr iption 1E601 VC313700 1ERM SP 8P 1E602 VC313800 1ERM SP LTS041O 2002 1E603 VF018400 1ERM SP 4P Lh I VR601 VJ692800 VR 1RIM B47011 Lh V...

Page 76: ...7220 C EL 22uF 16V C80 VG279600 C CEoTIJBIR 3300pF 16V C81 VG278400 C CEoTIJBIR 220pF 50V C82 VG279500 C CEoTIJBIR 2700pF 16V C83 Vj837200 C EL 47uF 16V C84 VG278400 C CEoTIJBIR 220pF 50V r RS vr nqSOO r r F l1lRTR 700nF lhV IP C B OPERATION DSP I SW810 VG392900 SW TACT SKHVAA SW811 VG392900 SW TACT SKHVAA SW812 VG392900 SW TACT SKHVAA SW813 VG392900 SW TACT SKHVAA SW814 VG392900 SW TACT SKHVAA SW...

Page 77: ...CE 100pF 50V C215 UM417100 C EL 10uF 50V C216 UM215100 C EL O luF 50V New Parts I p e B DSP I Schm Ref PART NO Description C217 UM417100 C EL lOuF 50V C218 UA652100 C MYLAR 100pF 50V C219 VJ837200 C EL 47uF 16V C220 VJ837200 C EL 47uF 16V C221 UA652100 C MYLAR 100pF 50V C222 UM215100 C EL O luF 50V C223 UM417100 C EL lOuF 50V C224 UM417100 C EL lOuF 50V C225 VD930900 C CE SMI O luF 25V C226 VJ8391...

Page 78: ...7301 IC uPC4570HA IC204 XB247301 IC uPC4570HA IC205 XB247301 IC uPC4570HA IC206 XE536001 IC LC7535 IC207 XE536001 IC LC7535 IC208 iG152500 IC BA6229 IC212 iG037400 IC uPD4066BC IC213 XP896AOO IC LC78213 IC451 XP265AOO IC BU2090 IC701 XM356AOO IC NJM2068LD IC702 XB247301 IC uPC4570HA IC703 XB247301 IC uPC4570HA IC704 XM922AOO IC NJM4558L C JK701 VT749100 JACK PHONE HLJ5307 JK702 VS867300 CN 4P YKF5...

Page 79: ...A c B D 1 2 3 4 5 6 RX V990 EXPLODED VIEW o v 50 ...

Page 80: ...r E F G 51 H ...

Page 81: ...P C B ASS Y OPERATION 8 VU821300 P C B ASS Y FUNCTION 9 VU821400 P C B ASS Y DSP U 9 VU821500 P C B ASS Y DSP C 10 vr266100 P C B ASS Y MAIN 11 VR341800 P C B ASS Y TUNER 15 XQ563BOO POWER TRANSFORMER U 15 XQ564BOO POWER TRANSFORMER C 16 VS168300 POWER CORD ASS Y 17 VN158600 CORD STOPPER No 2104 21 Vf242300 CONNECIDR FLAT CABLE 19P 200mm 22 Vf242400 CONNECIDR FLAT CABLE 7P 140mm 23 Vf242500 CONNEC...

Page 82: ...600190 BIND HEAD B TITE SCREW 3x8 ZMC2 BL 102 ED330066 BIND HEAD SCREW 3x6 FCRM3 BL 103 EK930010 PW HEAD B TlTE SCREW 3x8 8 FCRM3 BL 104 VK625000 CUP S TITE SCREW 5xlO 12 ZMC2 Y 105 EK365090 PW HEAD S TITE SCREW 4x8 10 FCRM3 BL 106 VK697600 BIND HEAD B TITE SCREW 3x10 SP ZMC2 Y 107 VK865300 HEX HEAD TAP SCREW WIlliWS 3x18 FCRM3 BL 108 M627310 GROUND TERMINAL 109 EV265560 PLAIN WASHER 3 6x10xO 8 FN...

Page 83: ... LOfTV 7A 17 47 DSP2 7A 89 6 CD DISC SKIP 7A 4F 27 LD PLAY 7C D5 48 DSP 1 7A 88 7 SLEEP 7A 57 28 TAPE DIR B 7A 40 49 MASTERVOL 7A 1A 8 POWER 7A 1F 29 TAPE DIRA 7A 07 51 EFFECT ON OFF 7A 56 9 INPUT TUNER 7A 16 30 TAPE REC PAUSE 7A 04 53 DSP l0 7A 91 10 INPUT CD 7A 15 31 TAPE REC MUTE 7A 05 54 DSP6 7A 8F 11 CD PLAY 7A OS 32 TAPE SEARCH 7A Ol 55 DSP 9 7A 90 12 CD PAUSE STOP III 7A 09 33 INPUT VCR 1 7...

Page 84: ...35 5160 120 kQ HF458120 HF45 8120 180 Q HF45 5180 HF45 5180 150 kQ HF45 8150 HF45 8150 200 Q HF455200 HF455200 180 kQ HF45 8180 HF45 8180 220 Q HF45 5220 HF45 5220 220 kQ HJ35 8220 HF85 8220 270 Q HF45 5270 HF45 5270 270 kQ HF45 8270 HF45 8270 330 Q HF45 5330 HF45 5330 300 kQ HF458300 HF45 8300 390 Q HF45 5390 HF45 5390 330 kQ HF45 8330 HF45 8330 430 Q HF45 5430 HF45 5430 390 kQ HJ35 8390 HF85 839...

Page 85: ...URG F R OF GERMANY YAMAHA ELECTRONIQUE FRANCE S A RUE AMBROISE CROIZAT BP70 CROISSY BEAUBOURG 77321 MARNE LA VALLEE CEDEX 2 FRANCE YAMAHA CORPORATION YAMAHA ELECTRONICS UK Lm YAMAHA HOUSE 200 RICKMANSWORTH ROAD WATFORD HERTS WD1 7JS ENGLAND YAMAHA SCANDINAVIA A B J A WElTERGRENS GATA 1 BOX 30053 400 43 VASTRA FRGLUNDA SWEDEN VU82160 1 BWWb V Printed in Japan YAMAHA MUSIC AUSTRALIA PlY LTD 17 33 MA...

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