Yamaha CRX-E400, Service Manual

Page 1: ...TANT The presentation or sale of this manual to any individual or firm does not constitute authorization certification or recognition of any applicable 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 continual...

Page 2: ...omponents may also contain traces of chemicals found by the California Health and Welfare Agency and possibly other entities to cause cancer and or birth defects or other reproductive harm DO NOT PLACE SOLDER ELECTRICAL ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSOEVER Avoid prolonged unprotected contact between solder and your skin When soldering do not inhale solder fumes ...

Page 3: ...RX E400 RX E400 3 B G models REAR PANELS U C models R model A model B model G model ...

Page 4: ...nic Distortion 20Hz to 20kHz CD etc to SP OUT 20W 6Ω 0 04 Signal to Noise Ratio IHF A Network CD etc Input Shorted 150mV 93dB Residual Noise IHF A Network SP OUT 100µV Channel Separation Vol 30dB CD etc Input 5 1kΩ Shorted 1kHz 10kHz 60dB 45dB Tone Control Characteristics BASS Boost cut 10dB 50Hz Turnover Frequency 350Hz TREBLE Boost cut 10dB 20kHz Turnover Frequency 3 5kHz Filter Characteristics ...

Page 5: ... 8 15 9 16 335 13 3 16 372 14 5 8 SPEAKER SECTION NX E400 Type 2way Bass reflex Magnetic Shielding Type Driver Woofer 13cm 5 1 8 Cone Type Tweeter 2 5cm 1 Dome Type Frequency Response 55Hz to 28kHz Impedance 6Ω Nominal Input 60W Maximum Input 110W Sensitivity 87dB 2 83V 1m Crossover Frequency 3kHz Input Terminal Screw Banana Type Dimensions W x H x D 186 x 300 x 223mm 7 5 16 x 11 13 16 x 8 3 4 Wei...

Page 6: ...s CB251 CB253 CB210 CB406 in Fig 2 b Remove 2 screws e 3 screws r and 1 plastic rivet t in Fig 1 c Release 2 hooks and remove the Front Panel Unit by pulling it forward DISASSEMBLY PROCEDURES Remove parts in disassembly order as numbered Fig 1 q w w Fig 2 q Top Cover w Front Panel Unit Hook e r Hook e r Operation P C B Front Panel Unit Main 3 P C B Main 2 P C B CB210 CB406 CB253 CB251 Main 1 P C B...

Page 7: ...d set the Main P C B on its side At this time set the Power Trans former on its side as well in Fig 4 g Using a lead wire or the like connect G250 of the Main 1 P C B with the rear panel in Fig 4 h With the Front Panel Unit set on its side connect 4 connectors CB251 CB253 CB210 CB406 in Fig 5 i Connect the power cable turn on the power and check for operation Fig 3 y Main Chassis y u i u Main 1 P ...

Page 8: ...circuit inspection Version information of the microcomputer software 2 The date of the microcomputer software 2 The calculation of SUM is done and indicated after that 2 1st all segments light 2nd RAM CLEAR 1st all segments light 2nd Even numbered segments and even numbered digits are turned on 3rd Odd numbered segments and odd numbered digits are turned on It is changed to the date indication It ...

Page 9: ...1 3 87 5 87 50 1400 1404 2 95 1 95 10 1080 1080 1 98 1 98 10 630 630 PRESET No AMP ADJUSTMENTS Confirmation of Idling Current 1 No signal applied 2 Non loaded condition 3 Aging is not neccessary Note If the measured voltage exceeds 2 5mV cut the lead wire of R308 L ch or R309 R ch and then check again if each measured value satisfies the rating Item MAIN L MAIN R Test Point R319 Between terminal R...

Page 10: ...8 89 90 91 92 93 94 95 96 97 98 99 100 P67 FLD7 P66 FLD6 P65 FLD5 P64 FLD4 P63 FLD3 P62 FLD2 P61 FLD1 P60 FLD0 VEE P107 AN7 P106 AN6 P105 AN5 P104 AN4 P103 AN3 P102 AN2 P101 AN1 AVSS P100 AN0 VREF AVCC 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 P50 FLD8 P51 FLD9 P52 FLD10 P53 FLD11 P54 FLD12 P55 FLD13 P56 FLD14 P57 FLD15 P00 FLD16 P01 FLD17 P02 FLD18 ...

Page 11: ... VEE external pull down 48 P26 DIG 4 OUT DIGIT 4 4G VEE external pull down 49 P25 DIG 3 OUT DIGIT 3 3G VEE external pull down 50 P24 DIG 2 OUT DIGIT 2 2G VEE external pull down 51 P23 DIG 1 OUT DIGIT 1 1G VEE external pull down 52 P22 SEG 1 OUT SEGMENT 1 P1 VEE external pull down 53 P21 SEG 2 OUT SEGMENT 2 P2 VEE external pull down 54 P20 SEG 3 OUT SEGMENT 3 P3 VEE external pull down 55 P17 SEG 4 ...

Page 12: ... pull down 83 P65 SEG 30 OUT SEGMENT 30 P30 VEE internal pull down 84 P64 SEG 31 OUT SEGMENT 31 P31 VEE internal pull down 85 P63 SEG 32 OUT SEGMENT 32 P32 VEE internal pull down 86 P62 SEG 33 OUT SEGMENT 32 P33 VEE internal pull down 87 P61 SEG 34 OUT SEGMENT 34 P34 VEE internal pull down 88 P60 SEG 35 OUT SEGMENT 35 P35 VEE internal pull down 89 VEE VP P0 P1 P5 P6 pull down resistor voltage inpu...

Page 13: ... Q251 POWER AMP Q252 255 Q259 262 Q263 266 Q267 269 PROTECTION Q272 275 276 279 280 C R R547 AC1 12V AC3 12V R345 R548 R358 359 R346 MUTING Q281 284 RELAY DRIVE Q274 SW250 R only 12V AUX CD MD REC TAPE REC MD PLAY TAPE PLAY 12V 12V B 12V 12V IC108 B PJ100 M TONE CONTROL IC210 BASS TREBLE VR700 VOLUME VR210 BALANCE VR702 VR701 RY250 REST D704 OPE P C B MAIN P C B SPEAKERS SUB WOOFER DG HP L R HEAD ...

Page 14: ...vice View DG PRY 12S F1 F2 MAIN 1 W705 3 PLAYSP VP PROPS VOLDN PRO I CLK DAT O MUT T SYSIO ST MO TH DES VOLUP CE DAT I MUT A STA MAIN 1 PRESET TUNING INPUT BALANCE PRESET BAND AUTO MAN L MEMORY DISPLAY BASS TREBLE TINR TOUTR TFBR E E TOUTL TFBL TINL E HP R HP L MAIN 3 2 W706 STANDBY ON PHONES TIMER OPERATION P C B Surface Mount Device View 2 1 3 1 3 0 3 1 5 0 5 1 8 0 8 1 1 0 0 Ref No Location D701...

Page 15: ... SYS I O 7 W250 RE W257 BL W256 RE W255 FREQUENCY STEP R only CIRCUIT CHANGES BY MARKET U C R A B G C310 311 X X O O C305 306 X X O O SW250 X O X X O USED X NOT USED Ref No Location D251 F3 D252 B4 D253 E3 D254 G3 D255 C3 D256 C3 D257 C4 D258 C3 D270 C4 D540 C4 D542 C4 Semiconductor Location Ref No Location Q250 E4 Q251 F4 Q252 F3 Q253 F4 Q254 F3 Q255 F3 Q256 F3 Q257 F2 Q258 F3 Q259 F3 Q260 F3 Q26...

Page 16: ...E HPR HPL OPERATION VOLUME 1 5 8 4 1 10 MAIN 1 MAIN 4 P C B 5 W253 B G 12 RE BL RE W257 W256 W255 W251 MAIN 1 POWER TRANSFORMER MAIN 7 P C B MAIN 6 F1 F2 6 CIRCUIT CHANGES BY MARKET U C R A B G C162 163 X X X O XL100 X X X O C149 153 157 X X X O C154 X X X O R160 X X X O C138 152 X X X O R139 X X X O C132 X X X O L102 103 X X X O R138 X X X O Q108 X X X O R134 X X X O IC109 X X X O O USED X NOT US...

Page 17: ...SED MAIN 8 P C B MAIN 5 P C B R model RE GY W232 YE OR WH BE BE OR BR YE RE WH BR BR W231 POWER TRANSFORMER MAIN 6 VOLTAGE SELECTOR MAIN 1 MAIN 7 BR GY W233 PRY S12 F1 F2 DG F1 F2 W234 BR W231 GY W232 POWER CABLE MAIN 6 P C B MAIN 9 MAIN 8 MAIN 8 P C B GY W232 BR W231 POWER TRANSFORMER MAIN 6 U C A B G models W234 GY W233 BR MAIN 6 MAIN 9 P C B AC OUTLET VOLTAGE SELECTOR 110V 120V 240V 220V 1 2 5 ...

Page 18: ...C4488 S T 2SC4481 S T B C E E B C 2SA1740S R S 2SA1317 R S T 2SC3330 S T DTA114ES 2SA844PDTZ D 2SA970 GR BL 2SC1815 Y Transistors 2SC1890A D E 2SC2229 O Y 2SC2240 GR BL 2SC2878 A B B C E 2SA1694 O P Y 2SC4467 O P Y B C E BCE 2SD2396 J K 2SA1037AK Q R S DTC144EKA C E B 30 1 15 51 50 31 81 80 100 30 1 1SS355 UDZS5 1B UDZS6 2B Anode Cathode PIN CONNECTION DIAGRAM 1 4 8 1 24 12 S1NB20 NJM78L05A T3 1 2...

Page 19: ...RES 18 S 17 LEVEL SHIFTER LATCH SHIFT REGISTER R2 R4 R3 RCOM1 R1 R6 RCOM2 R5 R8 RCOM3 R7 20 22 30 29 28 27 26 25 24 23 21 CONTROL 15 CL 14 D1 13 CE 2 3 P1 5 IN 1 1 GND 4 VZ 6 IN 2 OUT 1 8 VCC 2 10 OUT 2 9 P2 INPUT LOGIC PRE DRIVER 7 VCC 1 IC211 LB1641 Motor Driver INPUT SELECTOR BUFFER REGULATOR RDS DECODER MOTOR DRIVE MAIN POWER SUPPLY SUB POWER SUPPLY REGULATOR TONE CONTROL AMP POWER AMP MUTE MU...

Page 20: ... 0 0 1 1 1 6 4 7 2 3 0 2 1 4 8 0 0 0 0 4 7 0 4 9 4 9 0 4 8 0 1 0 4 7 4 7 3 8 4 8 26 7 26 7 26 7 26 7 26 7 26 7 26 7 0 0 0 0 0 28 8 26 6 26 6 26 6 24 5 24 5 26 7 28 8 29 1 2 5 0 0 4 9 4 9 0 4 7 4 9 0 0 2 7 2 5 1 8 4 9 4 9 0 4 9 4 9 4 9 24 6 24 6 26 6 28 9 28 9 28 9 24 6 24 5 24 5 26 6 28 9 28 9 28 9 28 9 28 9 28 9 24 6 26 7 26 7 26 7 26 7 26 7 26 7 26 7 26 7 26 7 26 7 26 7 26 7 26 7 26 7 26 7 w q e...

Page 21: ...TING MODULE LED DSPLY LED DISPLAY LED INFRD LED INFRARED MODUL RF MODULATOR RF PHOT CPL PHOTO COUPLER PHOT INTR PHOTO INTERRUPTER PHOT RFLCT PHOTO REFLECTOR PIN TEST PIN TEST POINT PLST RIVET PLASTIC RIVET R ARRAY RESISTOR ARRAY R CAR CARBON RESISTOR R CAR CHP CHIP RESISTOR R CAR FP FLAME PROOF CARBON RESISTOR R FUS FUSABLE RESISTOR R MTL CHP CHIP METAL FILM RESISTOR R MTL FLM METAL FILM RESISTOR ...

Page 22: ...VU171900 DIODE ZENR UDZ5 1B 5 1V D702 VT332900 DIODE 1SS355 D703 VU171900 DIODE ZENR UDZ5 1B 5 1V D704 VR711400 LED gr SLR 325MC D705 VU171900 DIODE ZENR UDZ5 1B 5 1V D706 VT332900 DIODE 1SS355 D707 VT332900 DIODE 1SS355 D708 VT332900 DIODE 1SS355 D709 VT332900 DIODE 1SS355 D710 VU172100 DIODE ZENR UDZS6 2B 6 2V D711 VU172100 DIODE ZENR UDZS6 2B 6 2V IC700 X2898A00 IC CPU M30217M8 A103FP JK700 V35...

Page 23: ... C155 VG287200 C EL 10uF 50V C156 VG287200 C EL 10uF 50V C157 UR817470 C EL 47uF 6 3V BG C160 VE326000 C MYLAR ML 0 1uF 50V C161 VE326000 C MYLAR ML 0 1uF 50V C162 VA761100 C CE 27pF 50V BG C163 VA761100 C CE 27pF 50V BG C165 VG287500 C EL 47uF 50V C166 VG287500 C EL 47uF 50V C167 UR837100 C EL 10uF 16V C179 UR838330 C EL 330uF 16V C210 UA654100 C MYLAR 0 01uF 50V C211 UR838470 C EL 470uF 16V C212...

Page 24: ...Q111400 DIODE BRG D5SBA20 4001 6A Z F231 VT942900 FUSE TH2 5A 250V G Z F232 VS822800 FUSE T3 15A 125V UCR Z F232 KB001660 FUSE T1 6A 250V ABG Z F401 KB001660 FUSE T1 6A 250V R G250 V8880000 TERM GND M3 5 RJP9899 IC100 XP894A00 IC LC78211 IC108 XA987A00 IC NJM2068D D IC109 XY534A00 IC LC72722 BG IC113 XJ757A00 IC NJM78L05A T3 IC210 XA987A00 IC NJM2068D D IC211 XF494A00 IC LB1641 JK250 VJ726800 JACK...

Page 25: ... 4W Z R316 HV753470 R CAR FP 4 7Ω 1 4W Z R319 VU981700 R MTL PLAT 0 22Ω 0 22 3W Z R320 VU981700 R MTL PLAT 0 22Ω 0 22 3W Z R337 VP939800 R MTL OXD 10Ω 1W Z R338 VP939800 R MTL OXD 10Ω 1W Z R340 VP940700 R MTL OXD 330Ω 1W Z R343 VP940700 R MTL OXD 330Ω 1W R349 HV754100 R CAR FP 10Ω 1 4W R350 HV754100 R CAR FP 10Ω 1 4W Z R354 HV755680 R CAR FP 680Ω 1 4W Z R355 HV756820 R CAR FP 8 2KΩ 1 4W Z R358 VP9...

Page 26: ...comes necessary order a SI type Operation PCB and a GD type sheet FL VR519500 and replace the sheet FL of the SI type Operation PCB with the GD type sheet FL B model A model R model 143 143 142 12 11 103 14 122 10 146 146 120 120 115 110 148 110 148 205 202 203 204 149 142 111 112 113 149 146 145 145 200 200 1 1 106 1 101 1 103 1 104 1 110 1 10 1 111 2 111 2 112 2 110 2 106 2 105 1 1 1 102 2 110 1...

Page 27: ...IN G 2 105 VV849300 SHEET 19x24 2 106 VP922500 DAMPER 2x10x170 2 110 VQ368600 PUSH RIVET P3555 B 2 111 VK173200 SCREW TRANSISTOR 3x15 SP MFC2 2 112 EP600250 BIND HEAD B TITE SCREW 3x8 MFZN2Y Z 10 X2696A00 POWER TRANSFORMER UC Z 10 X2698A00 POWER TRANSFORMER R Z 10 X2697A00 POWER TRANSFORMER A Z 10 X2699A00 POWER TRANSFORMER BG Z 11 V9293500 POWER CABLE 2m UC Z 11 VZ542500 POWER CABLE 2m R Z 11 V22...

Page 28: ...00 PW HEAD B TITE SCREW 3x15 8 MFC2 146 V2728500 BIND HEAD S TITE SCREW 4x7 MFZN2BL 148 EL300650 PW HEAD B TITE SCREW 3x8 8 MFC2BL 149 EP600790 FLAT HEAD B TITE SCREW 3x8 MFZN2BL 150 VY712800 PW HEAD B TITE SCREW 3x8 8 MFNI33 VR519500 SHEET FL GD ACCESSORIES 200 V8913300 REMOTE CONTROL RC 7060 01 0027 RC 7060 01 0027 UCRA 200 V8913400 REMOTE CONTROL RC 7060 01 0028 RC 7060 01 0028 BG 200 1 AAX1334...

Page 29: ...36 34 39 37 35 33 R1 1Ω VCC Key No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Key Name POWER 1 2 3 4 5 6 7 8 9 0 FREQ RDS 10 MODE 100 START REP A RANDOM B PROG C D TEXT TIME R TIME E W D Data Code HEX 0F 11 12 13 14 15 16 17 18 19 10 1A 1D 0C 07 0B 09 0A 08 02 Key No 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Key Name T E A R Y TAPE DIRECTION N PRESET TUNER PRESET B MD CD TAP...

Page 30: ...of Operation RX CPU CDX CPU M DX CPU KX CPU Bus line Serial Data Format RX CDX MD X KX Header DATA 8BI T 2 5mS 4mS 5 5m 7mS 12mS 1mS 8 5mS 0 1 10mS 1mS 2 5mS Priori ty Low High MSB LSB Note When transmitting a data following the previous data leave at least 2mS space between them at least 4mS only when transmitting the CD text data Reserve 1 Reserve 2 S SYSTEM CONTROL ...

Page 31: ...e backup function is turned on When the CD unit is used alone the timer play mode is set regardless of the backup function status Make sure that the power off processing of each unit has been completed before turning off the power by using the RX relay 2 FUNCTION 5 to 6 No source other than that selected by the input selector will be reproduced The functions are selected automatically to be suitab...

Page 32: ...Receiver 2 POWER ON PROCESSING except receiver 3 POWER OFF PROCESSING Receiver When the power is turned on at a unit other than the receiver the unit informs the receiver of the status then When the power is turned on at the receiver the relay of the AC outlet is turned on to supply power to each unit Each unit informs the receiver of its status when started secondary connection status The receive...

Page 33: ...OP PLAY START PLAY START PLAY and in PLAY mode and in PLAY mode and in PLAY mode STOP STOP STOP 4 POWER OFF processing except receiver When the power is turned off at a unit other than the receiver the unit informs the receiver of the status when the power off processing has been completed 5 FUNCTION selection When the RX function is selected the unit in the PLAY mode will be stopped 6 AUTO FUNCTI...

Page 34: ... time reached or FUNC_AUX For MD recording MD_TREC or TAPE_TREC POWER ON when it has been STATE_ON REC PLAY start For TAPE REC command transmitted to the PLAY Power ON when it has been OFF STATE_ON PLAY PLAY Power ON when it has been OFF STATE_ON REC_PLAY Power ON when it has been STATE_ON REC PLAY start REC_PLAY 7 TIMER PLAY Timer play by built in timer 8 TIMER REC Timer recording by built in tim...

Page 35: ...ion has been made for half an hour When in the stop mode and no key operation has been made for half an hour When in the stop mode and no key operation has been made for half an hour POWER SW OFF POFF_REQ Auto power OFF request APOFF_REQ Auto power OFF request APOFF_REQ Auto power OFF request APOFF_REQ 9 AUTO POWER OFF The receiver turns off the power when the unit is left at stop for half an hour...

Page 36: ...o power OFF cancel APOFF_CL 05 APOFF_CL 05 APOFF_CL 05 Timer Timer PLAY request CD CD_TPLAY D2 operation Timer PLAY request MD MD_TPLAY D3 Timer PLAY request TAPE TAPE_TPLAY D4 Rimer REC request MD MD_TREC D5 Timer REC request TAPE TAPE_TREC D6 FUNCTION selection FUNC_CD D7 FUNC_MD D8 FUNC_TAPE D9 FUNC_TU DA FUNC_AUX DB PLAY operation PLAY 06 PLAY 06 PLAY 06 STOP operation STOP 07 STOP 07 STOP 07 ...

Page 37: ... CD_1 91 CD_2 92 CD_3 93 CD_4 94 CD_5 95 CD_6 96 CD_7 97 CD_8 98 CD_9 99 CD_10 9A MD MD_STOP A0 MD_PLAY PAUSE A1 MD_EJECT A2 MD_SKIP A3 MD_SKIP A4 SEARCH A5 SEARCH A6 SEACH_END A7 MD_RANDAM A8 MD_TIME A9 MD_PRG AA MD_RPT AB MD_REC PAUSE AC MD_0 B0 MD_1 B1 MD_2 B2 MD_3 B3 MD_4 B4 MD_5 B5 MD_6 B6 MD_7 B7 MD_8 B8 MD_9 B9 MD_10 BA MD_ 100 BB TAPE TAPE_STOP C0 TAPE_PLAY C1 TAPE_EJECT C2 TAPE_FF C3 TAPE...

Page 38: ... X X X X STOP O O O O O O O O O O O O FF REW X O X X O O O O O O O O REC X X X X O X O X O X O O Principle of switch rec operation reception The POWER SW has priority regardless of any other conditions AUTO POWER ON RECEPTION SW This switch can turn on the power instead of the POWER SW when the secondary switch has been turned off CD EJECT PLAY MD EJECT PLAY TAPE EJECT PLAY Unit Unit SW During EDI...

Page 39: ...05250 HOLDER 2 V9509700 FRONT GRILLE ASS Y BL 3 XW275A00 DRIVER TWEETER 2 5cm 5Ω 40W 4 XW276A00 DRIVER WOOFER 13cm 6Ω 40W 7 V9509800 NETWORK ASS Y 7 1 V6055400 ELECTROLYTIC CAP 8 2uF 63V 7 2 V6367500 ELECTROLYTIC CAP 3 3uF 63V 7 3 V9507500 CEMENT RESISTOR 2 7Ω 5W 12 V5361400 TERMINAL CAP S06E RED 13 V5361500 TERMINAL CAP S06E BLACK 21 V9506000 FLAT HEAD WOOD SCREW 3 5x20 MFZN2BL 22 V9506100 HEXAGO...

Page 40: ...45 4100 HF85 4150 HF45 4220 HF85 4270 HF45 4330 HF85 4390 HF45 4470 HF45 4560 HF45 4680 HF45 4750 HF45 4820 HF45 4910 HF45 5100 HF85 5110 HF45 5120 HF45 5150 HF45 5180 HF45 5200 HF45 5220 HF45 5270 HF45 5330 HF45 5390 HF45 5430 HF45 5470 HF45 5510 HF45 5560 HF45 5680 HF45 5820 HF45 5910 HF45 6100 HF45 6120 HF45 6150 HF45 6180 HF85 6200 HF45 6220 HF85 6240 HF45 6270 HF45 6300 HF45 6330 HF85 6360 HF...