HCD-RXD7AV
Contents
1. CF101 Q101 CF102 x 10 7MHz RFIF 10 7MHz f 9 gt TUL il gt igi RCH AM pm En TUB gt 0109 04 RCH is omitted SIGNAL PATH D105 T102 mb L107 MW OSC AMT id 450kHz AM L104 3 E NE AM ANT gt MAIN CD _ gt SECTION SFR101 sani Page 20 TUNED xm TU MUTE PLL DO j OPTICAL PICK UP CD RF SERVO DIGITAL PROSSESOR CD DIGITAL OUT C701 1 2 SIGNAL PROCESSOR 1 702 D A NL J T 67 E CDL MAIN SERIAL SECTION E 20 89 E E DEMO PWM 14 gt COMAND gt SUB CODE PROSSESOR XIM 70 CLV E 701 SERIAL SERVO MAG ap T 169944 2 PARALLEL CONVERTER DECODER CPU I F LMUTE 2 APC LD i GND A 1 2 1 DIGITAL 22502 5 CLV 20 518 25 g i Pog i l 5 X6 5762 15 F T COIL 6 13 nc SL SP MOTOR 55 T T TRAY MOTOR STOP i DRIVER SWITCH C703 FOCUS 737 gt gt SENSI ba gt 5050 pa XLAT TRACKING J COIL fest SQCK D a CLK DATA 5V gt SENS LOCK gt MAIN IC701 2 2 T T TRAY SECTION M102 MOTOR DRIVE SLED 4 4 REG CONTROL Page 20 MOTOR IC704 XRST MUTE 4 M101 fo2. L CH m m MEN R337 5101 CB BECORB 5 6 R302 9 47 150 0 1 M 202 0521 15 gt Boana fo CN704 8 4204 ZL css7 Page 31 i RE 0 68 R3102 330k S CES T Tg ama MEM JK301 1 2 1055 17 C386 0 0474 M R306 2 2k Rl alala EN IN 1i 1k 0 47 28C945P 0384 BUFFER lu 5128 50V 43 gt MB VIBEO RASA 253450 1 4 1 5 MB VIBED R Go 19 gt QUT BOUT 4 0 Oo 2 5 C383 0 0010 M NGC3 LPF20UT 39 28 gt 52 5 2 2 NGC2 LPF2IN2 8 0512 2 5 C382 0 0047 M 2 25450 m NGC1 LPF2IN1 87 1 74 1 7 2 5 C381 0 18 M 65115 aD 21 gt AVCC BAINTOUT 36 104 2 5 50V VREF 1 BAINTIN 35 IREF BACONT 2 2 580 MEN R3115 10k 5 1 4 C379 0 22u MEM RAIS 1C303 9512 313 LIN ABCONT 33 m S RIN ABINTOUT 826 1 2 BUFFER 5 2 5 172 i LTIN BOLBY ABINTIN IY MB VIBEQ L 2 5 0377 0 0016 M 26 MUXOUTR ETIN PROLOGIC LPriouT GDA lt P tc FRONT R IN 2 2k BECOBER 2 5 C376 0 0047 M e SLIN LPF1IN1 28 amry e ME FRONT L IN SH SWIN _ gt 5 5 BSELOUT One R300B R315 VRSWIN 2 zx t 8vss 25 2 F REAR R IN 2 555855 5 5 X R300A S 1M
3. P E mius C J VN R714 68 E z 22 R768a R768A 5050 8 oe m p Bm rud 25 R7bbA 7 Ik et TO BED oE EBER e FC BISC CONT ANALOG PROCESSOR E Lo nm nar RF SERVO 12 i T E 701 R CLOSE _ _ 1992 C704 1 in TRAY TURN 3 K TABLE 8 S MOTOR BRIVE St ETE N l 8 5 5 704 8P Fo Bs l 9 T a Ps 6 C769 0 001 zz L CH TO C778 0 001 pee ojj GN MAIN BOAR 779 0 001 CH 2 3 12703 780 0 001 24 FOCUS TRACKING COIL BRIVE SLEB SPINBLE MOTOR BRIVE MOTOR 6P S GNB mund i BOARD M101 kap SPIN LE 4 R780 M CBX IDX ISK NIKO BX TEX SKA P mee gt R782 12 08 505 R 25A952L a g0jajiaja aiziuiajijai luljo gt R784 12k MUTE C744 0 01 gt 1 705 NJMA558 D NM or au NM GN nn on 5 1 705 x rs S 5 AN M gt 55 vPCO 3 in d K A er wn L P F 8788 174W BIGITAL SIGNAL PROCESSOR 1C702 Cx825890 0 1 R77 a A 10k 07 WN 8 0706 Ie 25 945 MUTE NIN R788R TEIE ve R790 4 7
4. POWER HP901 9 e 12 8 Ao PB 0381 SVOLOUT D E T e 1 lt OVER LOAD OVER HEAT oe PROTECTOR RELAY ERE REAR R CH MUTE DETECTOR DETECTOR DRIVE ical DECK B a 5 gt 5 gt REC OUT 0418 1 501 F O 1C304 HRP901 SCS T 9 REC PB lt lt gt gt CENTER HEAD re Q520 i O BIAS OSC n m OVER LOAD OVER LOAD 7T gt 1 1 1 1 R CH 1 602 V i N lt 1 SW REAR ig HE901 0252 253 i 1 lt lt HEAD 3 BIAS lt Q413 SWITCH i i SESE TAPA m i i SWITCH 1 BIAS R CH gt 1 1 0203 205 0201 0 0419 12 JK403 i PHONES i MUTE 4 4 1 1 i Q508 0207 AMS i i D512 m 1 210 211 9 SHIFT REGISTER SFR501 m d 0517 DRIVE T C603 MOTOR H L i DRIVE NT 0819 0202 0201 208 209 MUTE 085 oC JK303 MUTE i 2 SWVOLOUT 17 gt mm SUB WOOFER WE E E C304 i MUTE 4 TU MUTE i L Page 19 DO 0407 MD VIDEO D515 R CH R gt gt i i DATAN 0510 J E SWITCH SCOR SENS1 CERERE 0516 5050 LED705 0313 ie LED714 718 SENS2 p Q603 604 0510 MUTE switch 0402 001 XLAT 4 5 ee 002 e 3 Page 19 lt 1304 COD lt DATA LOCK lt DET D403 lt DI lt 3 CLK T VCCI TT CE q A lt 27V o oj 271
5. R789 4 7k C787 0 001 BOARD 37 38 ASYO Nz TOTX178 XV 15 MOL m j 87781 Es 4 7 N PHOTO 1 R787 lt E 2 2x HCD RXD7AV 7 14 SCHEMATIC DIAGRAM CENTER REAR AMP SECTION Refer to page 21 for Note on Schematic Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 Eu a pns BOARD sine rant Sono 0502 8501 258882 2591667 7 5V REG I 12 REG E TO F001 2 MAIN BOARD 6 5A 125V B CN502 40 Page 25 8527 507 UZ 8 2BS 9599 R598 39 155153 10k 25 REPLACEABLE BUILT IN TRANSFORMER SL QUT SR OUT D C OUT M GN TO 12V sns Page 25 REAR MUT CENTER MUT E C I P VCC2 VCC2 TO SR IN MAIN BOARD CN302 S GNB 25 SL IN F 1 9 1 8 s R584 5 k xl 5 5 C581 8581 3 R583 in x 8536 0 0220 0 225 Pk 585 100 1 4W R585 T Ji 102 R520 0 22 2W SR OUT R584 4 7 in 15k 1 2W c in AHH 28 1841 020 585 Si 155133 1 M 2 2 ng C I P 50V i e Voltages and waveforms are dc with Q520 respect to ground under no signal conditions H no mark FM MUTE 12V The componen
6. s 0 9 5 T rs poem e CLK CN101 J Page 29 4 SCL 16 16 16 YA SUN ERROR EEE SS SS SS SS Ii s K TITTIT Y 997 8 x HH a a 24 JK402 JK401 ee TO 2 3 TO 1 5 TO 2 3 TO 2 3 go Page 24 Page 24 Page 23 Page 24 NOTE TO POWER D FLB BOARB e Voltages and waveforms are TRANSFORMER CN102 l P 29 L dc with respect to ground Page 55 ia no nark FM 25 29 7 8 SCHEMATIC DIAGRAM FRONT SECTION e Refer to page 21 for Note on Schematic Diagrams Refer to page 38 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 CD KEY BOARD 61561 61562 91563 R748 27k R749 15k R750 8 2 R751 4 7k LEB701 LEB702 LEB703 O O h 5706 h 5705 5704 h 5703 5702 5701 OPEN CLOSE BISC SKIP BISC 3 BISC 2 DISC 1 POWER 9705 708 LEB SWITCH gt lt Q701 702 LED SWITCH Q707 0708 25 34 25 34 R755A 100k R756A 100k 761 100k M R762 100 8758 100 R760 100k CNA01 5 5 6V N REAR MUT S e amp CEN MUT LEB BRIVER S 1 702 VR UP vreo 5 S LEB BRIVER TO T 5 FLA BOARB i CN601 Page 29 C703 o R721 270 220p T 5 pouce C704 X meen 220p Oo C705
7. edis C517 220p C520 NOTE e Voltages and waveforms are dc with respect to ground no mark FM o 7 12 SCHEMATIC DIAGRAM 1 2 3 4 CD SECTION Refer to page 21 for Note on Schematic Diagrams 5 6 7 8 Refer to page 21 for Wavefoms 10 11 12 SW D BOARD OPEN LOSE CN708 bi d T Refer to page 36 for IC Block Diagrams 13 Lo TABLE 14 15 16 17 18 MOTOR BOARD NOTE The components identified by Les composants identifi s par CN708 aa Voltages and waveforms are mark A or dotted line with mark une marque A sont critiques 501 DOWN ome 9 qv Box A 2 dc with respect to around are critical for safety pour la s curit CU DECK 1 E Col 9 Replace only with part number Ne les remplacer que par une lt T T ttos MOVE LEE ber eHe specified i ce portant le num ro sp cifi piece p SW C SW A p SW B L3 BOARD BOARD BOARD 9 9 M104 mu TI en A OPTICAL PICK UP CD DECORD Marao Ee 000000 apr 7 EE S S iii ib LL BO C736 R701 27670 07901 L 798 KSS 213ECM C2NP e m Fg 1 s dian Ig 4 0 HCD RXD7AV 19 l 22 qu Ep Jes i 0 e eu fo FOK Ac
8. mmm WAIN LEES 6 1 Iroof 919 Ug 1001 914 O Z 18 9 YZZI 0G DO 181 zziu 11171 0 1 4 8513 10 02 5 5 25 2 3 24 gt R140 10k N 81212421 0151 ZHWZ L 101 0103 28A733P G TU SWITCH eo eo a TP1 1 E m euo gt Z n gt gt 5 5 L gr Sir Cr c c Ln ou pq E co 2 gt gt N lt SpA SS OOO TS pan an o O gt e 1000 1 lt lt o 4 os m oo lt oe oe o x Ll C gt gt c 1 lt JK101 2 16 Y ANTENNA TO 2 5 Page 24 Page 24 23 23 HCD RXD7AV 7 5 SCHEMATIC DIAGRAM DOLBY SECTION e Refer to page 21 for Note on Schematic Diagrams Refer to page 22 for Printed Wiring Board 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TO 173 TO 5 3 TO 1 3 Page 23 Page 25 P A 4 AB 6 n ae 2 MAIN BOARD 1 H 04 7 5V MGNB o 2 e BGNB sns 1 301 s SELECTOR 18 gt 4 pu iex 2 3 oa xe
9. WC 10k 7 100 yey 950 9525 9520 Page 22 Wj 8513 155133 155133 2 e Voltages and waveforms are 22 2 OVER LOAD 8520 i SWITCH dc with respect ground 16 mark FM el 34 34
10. 3 c361 1d Sov poco gg m cce s REAR L IN 2 100k F 1 5k 2 40 gt CENTER IN R3120 TO 3 3 2220 IN gt G JK301 2 2 4 22 gt 25 gt m 20 gt 0554 R3138 8505 R3137 9505 10306 C351 M 188183 7 AERE NJM4558 Ju 595 FUN CONTROL 01072 50V 85189 WC 0 2 2208 29 gt N ds 4 0 7 280945 R97 25 2878 1 44 amp 5 S 8 E e 9570 ma78 0509 12342 1 R376 C340 su 128 28C945P ER 330k 4 001 MUTE E SWITCH 511 d R346 1M E 2574 0 77 NS J 0504 4 7k 31 gt 28C945P 9 IC305 AMP c3 9508 511 82 BFBF SWITCH 33 gt 34 gt 36 gt 23 gt K 38 gt 24 gt 25 2 55 INVERTER gt C322 41 gt 2 08 39 gt 24 24 HCD RXD7AV 7 6 SCHEMATIC DIAGRAM TEPE POWER SECTION Refer to page 21 for Note on Schematic Diagrams Refer to page 22 for Printed Wiring Board Refer to page 39 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 TO 2 3 Page 24 A A A AG 5 9 WW n S x MAIN BOARD aes BOARD 1 4W 3 3 em e St i L FR IN GND S GNB C454 0 0022 1 1 FL IN PHONES C453 0 0022 VCC VCC TOFRONT AMP POWER ON 8214 R212 8205 R208 C210 BOARD 2 MUTE
11. 330k F 0214 155133 8 2 278 CN301 PRO OUT 174W 50V 101 34 FR OUT T T l C208 Sn FL OUT 22 R228 120k C217 474 15V 20 54 C220 R230 270k 174W 1004 50V 1 8 R220 22k t C228 220p 4224 180k HP901 PLAYBACK BECK D HEAB Q411 25 546 BUFFER R236 9214 2569452 lt T casi E TO 2 3 P MUTE 0 33 P 50V 24 lt 42 50 C423 C440 Er SE i RECOR 142 SL IN RES 16V 8235 S 6NB 2962060 K L 7 5V SR IN SWITCH 0215 B BECK 25 945 VCC F TO AMP C IN 2 1 GERNE B BOARD CENTER MUT 9 09 901 CN302 REAR MUT o4 218 9201 9206 33 SAS REC PB CONTROL HEAD wis ais 7 5 i 12V 12V REG A M GN G OUT TO AMP SR QUT Jah 0 022 T BOARD SL OUT 9210 9211 D Page 33 AMS MUTE S BH aa qc bm 299561 25 4 RELAY Da 25K2541 H A i o 8419 5 0 BRIVE d gt 25 945 82 58 MUTE 155153 CONTROL BRIVE VM VM Hin 0207 6209 3201 zii 25 945 SWITCH 2k T 2 2u 50V 15 I Lo SWITCH el 5 1CH OW 9K 10K p0 26 sp M AN 9420 0252 Q253 nias K 29 945 OSC SWITCH E
12. E Q403 REG AC STB 4 SPEANA pm D501 504 IN 12V lt REG 0501 3 6263691620264 63629 OOOO OOO a 269 9 2 49 DOE 045 m Lu x x z a e z x 7 5V 8 55 55 252 2 lt lt 65 2 5 SWITCH lt 2 amp SYSTEM CONTROLLER d mm 2 a 0502 ACA 8V E FLD DRIVER a 9 oi 7 5 3 fear 3 2 CD475V lt Bey lt ea z m E RCH is omitted a 8 E E Si i ES s 5 8 E X S z m 5 6V a 198v 9 gt x gt e x a Q cc lt 5 o D602 o amp E a KIO 2 ra amp Gi G13 CON gt PB DECK 89 4 40 59 69 69 65 46 4 590 6 48 49 9 31 38 6 65 88 8 1 100 90 Q103 gt gt PB DECKB X601 Q Q RM601 TU 45V SITCHING 10MH A A Fu Q602 2 gt REC DECK B KEY REMOTE MATRIX RESET CONTROL FM SWITCH DOWN DET RECEIVER WM VR601 VR602 01 502 503 504 5718 728 VOLUME CD ENCODER CD DECK TRAY DISC TURNTABLE 741 736 E UP DOWN OPEN CLOSE COUNTER OPERATION vcc Bb wo 20 20 HCD RXD7AV Refer to page 39 for IC Block Diagrams Refer to page 21 for Note on Schematic Diagrams 7 4 SCHEMATIC DIAGRAM TUNER SECTION 12 11 10 TO 5 5 Page 25 1550 0 1219 Ni amp 2 tL N gt gt ea on m lt ere gt
13. IN FM STEREO IN REMOTE IN HC165 BATA IN 5 6V REAR MUT CEN MUT VR UP VR BOW TBA7489 BATA 3 4 LC72181 CE CX825890 SACK BU2092 b LATCH CXB2569 XTAL 25890 BATA CX82589 CLOK 7213 4094 2092 62463 62464 5 CLOK CXA1992BR LOCK BU2092 a LATCH 6 FRONT BOARB CN601 Page 27 LATCH B LATCH CLK BI ANIO TO ANI FRONT BOARB GNB SPEANA IN 5 SPEANA IN 4 AMS IN M62463 M62464 106 601 116 SYSTEM CONTROL 126 FLB BRIVER 156 1601 CXP82040 1090 CX82589Q SENS CX82589Q SENS2 sz a5 34 e si PIC UP SW ES amp JP 7215 4094 2092 62465 62464 5 OUT 9 0 10 4 11 7 12 7 N N E 13 PIC BOWN SW 2 R620 10k BISC COUNT SW 8 g R619 10k J R618 10k SYSTEM MUTE OUT TUNER MUTE OUT 2CH OUT BBFB HI OUT BBFB NORMAL amp HI OUT 5 1CH LEB CB ENCORBER IN B CB ENCORBER IN A z tn m gt 1 1 1 1 1 1 P9 P8 P7 5 4 P3 2 GNB SV BI SCOR COUNT FBK STB LOCK CLOK XLAT 5050 SQCK CLOK BATA SENS1 SENS2 PIC UP PIC DOWN BISC COUNT TURN TABLE OPEN CLOSE P 26 9 POWER SW OUT 4 6 64 18 0 76 D TO CB BECORB BOARB CN705 Page 31 B408 188133 R609 47k 6 5 188133
14. 7 8 9 10 11 12 13 14 15 16 17 18 TO TO MAIN BOARB MAIN BOARB D CN102 E CN101 Page 25 Page 25 m LL Zz 2 oc 2 NOE gt gt Ll Oo rtr Lr Lr 2 gt Qc tn gt gt Z gt gt Z WU Zz gt 5 Z e MN N T Lm DD ZON zz 1 lt O lt 2 opna lt N emu nu 2 ma a QW gt lt WU T o c ON 0f C ot lt gt Nn Oo OO lt oO m tmr 20 0 9608 28C945P E a 3 e 0 0 pop p E LEAUGEEEEEXEEZXEEZSEEI ic sd 5 _ FLD BOARD on MENT TM 4 Ve A AEN el E fl SENSOR BOARD 0 00222 T C622 220p C623 220p C RM401 REMOTE CONTROL p RECEIVER o 5 9 GND of To ve vec Wof one Indi 44 D 108 50V T 1 1 8625 188133 9603 604 MUTE SWITCH 7 9 2 9604 gt SA733P T 2 REC REV REC FWB CRO2 SOL PHOTO SW HALF MOTOR L MOTOR H MOT 12V A CRO2 GNB SOL A PHOTO A MOBE SW A HALF EJ UJ UJ UJ UJ w TO TAPE MECHANISM uoc N M 4 7 5 0 4 7 yo 65 S L GY HC4094 BECK CB STB Q610 613 SOLENOIB BRIVE NC 25890 SCOA COUNT POWER BOWN
15. ERE NS 1 220p T amp 02 ul CN502 VOLUME SW J 10 CB P PF ke BEI BSP BOLBY PRO Hel LOGIC ANI R722 680 _ R723 820 R724 1 2 725 1 5k _ R726 2 2k R727 3 3k 728 4 7k _ R729 8 2k R730 15k 73 27k R753 68 TO FL BOAR a i M 9 gt CN502 h 5708 h 3709 h 5710 5711 h 5712 h 5713 h 9714 Q Q Q Q Q Q O O Page 29 fe CLOCK TIMER BISPLAY FILE BBFB GROOVE TUNING TUNING TIMER SET SELECT SELECT FF REW R732 680 R733 820 734 1 2k R735 1 5k R736 2 2k R737 3 3k R738 4 7k R739 8 2k R740 15k R741 27k R754 68k QO O QO k s719 5720 5721 5722 5723 5724 k s725 h 5726 ps727 ps728 5729 h 8730 Q O O O O Q O O O O O O Q e m STOP Rys Fwa ce play B B PAUSE CB SYNCHRO PRO LOGIC BSP 5 PLAY PLAY PLAY PAUSE R742 680 R743 820 R744 1 2k 4746 2 2k R745 1 5k 747 3 3k NOTE b ss bem ras bes b ss Voltages and waveforms are dc with respect to ground ipii PLAY PLAY MOBE REPEAT no mark FM 16 10 HCD RXD7AV HCD RXD7AV 7 10 SCHEMATIC DIAGRAM FLD SECTION e Refer to page 21 for Note on Schematic Diagrams Refer to page 21 for Wavefoms Refer to page 38 for IC Block Diagrams Refer to page 40 for IC Pin Function Description 1 2 3 4 5 6
16. SERVICE MANUAL Ver 1 1 2002 03 HCD RXD7AV is the Amplifier CD player Tape Deck and Tuner section in MHC RXD7AV Manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation U S and foreign patents licensed from Dolby Laboratories Licensing Corporation AUDIO POWER SPECIFICATIONS US model POWER OUTPUT AND TOTAL HARMONIC DISTORTION with 6 Q loads both channels driven from 70 20 000 Hz rates 60 W per channel minimum RMS power with no more than 0 9 total harmonic distortion from 250 mW to rated output Amplifier section Front Speaker Continuous RMS power output reference 70 70 W 6 Q at 1 kHz 10 THD Total harmonic distortion less than 0 07 6 O at 1 kHz 35 W Center Surround Speaker Continuous RMS power output reference 30W 6 Q at 1 kHz 1 THD Rear Surround Speaker Continuous RMS power output reference 30 30 W 6 O at 1 kHz 1 THD 9 928 974 12 Sony Corporation 2002C 1600 1 Home Audio Company 2002 03 Published by Sony Engineering Corporation HCD RXD7AV US Model Canadian Model Model Name Using Similar Mechanism HCD RXD3 CD CD Mechanism Type Section Base Unit Name KSM 213ECM Optical Pick up Name KSS 213ECM C2NP Tape deck Model Name Using Similar Mechanism HCD RXD6 Section Tape Transport Mechanism Type CWL 44 RR SPECIFICA
17. TIONS Inputs CD player section MD VIDEO IN voltage 450 250 mV System Compact disc and digital audio phono jacks inpedance 47 kQ system DVD INPUT Laser Semiconductor laser A 780nm Emission duration continuous PRONT IN voltage 450 Laser output 44 6 uW phono jacks inpedance 47 This output is the value CENTER IN voltage 450 mV measured at a distance of 200 phono jacks inpedance 47 mm from the objective lens REAR IN voltage 450 mV surface on the Optical Pick up phono jacks inpedance 47 Block with 7 mm aperture WOOFER IN voltage 450 mV Frequency response 20 Hz 20 kHz 0 5 dB phono jacks inpedance 47 22 1 p J P Signal to noise ratio More than 90 dB Dynamic range More than 90 dB Outputs CD DIGITAL OUT MD VIDEO OUT voltage 250 mV Square optical connector jack rear panel phono jacks impedance 1 kQ Wavelength 600 nm PHONES accepts headphones of Output Level 18 dBm stereo phone jack 8 Q or more FRONT SPEAKER accepts impedance of 6 to 16 O or more CENTER SPEAKER accepts impedance of 6 to 16 O or more Voltage 1 V impedance MINI Hi Fi COMPONENT SYSTEM e ON Y Continued on next page SUPER WOOFER HCD RXD7AV SECTION 7 DIAGRAMS 7 1 BLOCK DIAGRAMS TUNER CD SECTION FM FRONT END FM AM MPX FE101 1102
18. s SPINDOL MOTOR 11 CONTROL DI 7 TT TIT MOTOR CLOK 3 CE 14 TT DATA 2 DATA IN TRAY oe SIS SB J Q702 5 CONTROL 19 19 HCD RXD7AV MAIN SECTION JK301 L L A FRONT R RCH sL REAR R CH CENTER C S b lt R CH DBFB L MD VIDEO b s goas 16502 JK401 d LINE AMP 0505 1 306 RL401 DBFB 10 POWER Oe mE CDL AMP Q511 Q515 L gt 0513 SECTION IC201 R CH OVER LOAD SPEAKER zd MUTE DETECTOR 19 0803 a308 a310 DOLBY PROLOGIC I BUFFER SURROUND DECODER DECKA 7 E gt 10302 IC501
19. ts identified by Les composants identifi s par M GNB mark A or dotted line with mark une marque sont critiques TO BC OFFSET are critical for safety pour la s curit e n OVER LOAD e 44 ee Replace only with part number Ne les remplacer que par une Page 34 1 188123 2 88 50V specified pi ce portant le num ro sp cifi 33 33 HCD RXD7AV 7 15 SCHEMATIC DIAGRAM FRONT AMP SECTION Refer to page 21 for Note on Schematic Diagrams 1 2 3 4 5 6 7 8 9 10 FRONT BOARD FAN BRIVE D516 185123 C528 R572 515 2u 2302878 NP MUTE 2501841 OVER LOAD BET 0509 124 5 R544 R543 T FL OUT y 5 5 1 503 2 546 M Q510 PROTECT BE 2 8 124 5 0 1 _ SWITCH 0516 2559526 0 R578 8519 15 99 BOARB CN506 CN301 gt our gt PRO QUT B S MUTE 1 502 oj VCC1 FRONT I P TO S GN MAIN BOARB FRONT L I P CN01 FRONT L v 25 C K FAN CTRL 2549348 FAN BRIVE R592 I rai Oa e 0 3 x E Ou MOTOR R538 ik Ok FLONT R R574 I P 8540 10k 1 04 514 gt R537 2562878 Ik MUTE FLONT L 12 7 I P 2 55 6 47k 155133 pus tt E
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