Sony MDX-C670, Service Manual

Page 1: ...ate frequency 10 7 MHz Usable sensitivity 10 dBf Selectivity 75 dB at 400 kHz Signal to noise ratio 62 dB stereo 65 dB mono Harmonic distortion at 1 kHz 0 9 stereo 0 5 mono Separation 35 dB at 1 kHz Frequency response 30 15 000 Hz Capture ratio 2dB AM MDX C670 Tuning range AM tuning interval 9 kHz 10 kHz switchable 531 1 602 kHz at 9 kHz step 530 1 710 kHz at 10 kHz step MW LW MDX C670RDS Tuning r...

Page 2: ...ep the temperature of the soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when solder ing or unsoldering Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be damaged by heat SAFETY RE...

Page 3: ... 3 SECTION 2 GENERAL This section is extracted from MDX C670 instruction manual ...

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Page 7: ...dure in the numerical order given FRONT PANEL SECTION 3 DISASSEMBLY COVER ASS Y PANEL SUB ASS Y 1 Push the button release 2 3 Remove the front panel of the arrow 1 2 cover ass y 1 3 screw PTT2 6 6 3 five screws PTT2 6 6 4 panel sub ass y ...

Page 8: ... 8 MECHANISM DECK MG 164K 138 MAIN BOARD 2 mechanism deck MG 164K 138 1 two screws PTT2 6 4 1 two screws PTT2 6 8 1 eight screws PTT2 6 8 2 heat sink 4 main board 3 three screws PTT2 6 6 ground point ...

Page 9: ... board CN103 1 sensor flexible board CN102 FLOAT BLOCK 1 four screws BVTT2 4 2 MD cover ass y 3 spring FL2 3 spring FL2 4 two springs FL Release of the lock lever lock R lever lock L float block A 5 Pushing an arrow A part raise the float block up ward at the front to release a lock ...

Page 10: ... J2N 5 washer M 1 spring CHKG 2 stop ring E 1 5 4 lever lock L 3 lever lock R 2 stop ring E 1 5 1 spring CHKG 6 holder ass y 6 bearing SL 5 feed screw ass y 3 screw K2 3 2 shaft SL2 1 two screws K2 3 7 optical pick up MD KMS 241A J2N 4 screw B2 3 ...

Page 11: ...SENSOR BOARD 2 two screws 2 8 3 sensor board 5 bracket SL 6 motor ass y M902 7 screw B2 3 8 base SL 1 Remove the solders of motor M901 M902 M903 0 motor ass y M901 9 two screws P1 7 1 8 4 screw P1 7 1 8 screw P2 2 2 motor ass y M903 ...

Page 12: ...ew one because its internal block is difficult to repair FM Auto Scan Stop Level Adjustment Setting SOURCE button FM Procedure 1 Set to the test mode See page 12 2 Push the SOURCE button and set to FM Display 3 Push the preset 3 button Display MD SECTION MD section adjustments are done automatically in this set FM Stereo Separation Adjustment Setting SOURCE button FM Procedure FM Stereo Level mete...

Page 13: ...t Location See page 14 RDS S Meter Adjustment MDX C670RDS Setting SOURCE button FM AM RF signal generator Carrier frequency 999 kHz 30 amplitude modulation by 1 kHz signal Output level 33 dB 44 7 µV 50 Ω AM dummy antenna 30 Ω 15 pF 65 pF antenna terminal set FM RF signal generator Carrier frequency 98 0 MHz Output level 35 dB 56 2 µV Mode mono Modulation no modulation 0 01µF set antenna terminal 3...

Page 14: ... 14 Adjustment Location SET UPPER VIEW RV1 AM MW AUTO SCAN STOP LEVEL Adjustment RV1 RDS S METER Adjustment TU1 RV2 FM AUTO SCAN STOP LEVEL Adjustment RV4 FM STEREO SEPARATION Adjustment ...

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Page 20: ...dentifiés par une marque sont critiquens pour la sécurité Ne les remplacer que par une pièce portant le neméro spécifié Ref No Part No Description Remark Ref No Part No Description Remark 1 3 919 344 51 DOOR MD C670 1 3 919 344 61 DOOR MD C670RDS 2 3 919 343 01 SPRING DOOR TORSION 3 3 011 082 01 PANEL SUB 4 X 3367 636 1 LOCK ASSY 5 X 3373 358 1 CHASSIS ASSY 6 A 3309 843 A MAIN BOARD COMPLETE C670 ...

Page 21: ...X 3373 271 1 BUTTON SOURCE ASSY 60 3 010 713 01 KNOB 61 3 010 714 01 PLATE RING LIGHT GUIDE 62 3 011 081 01 PANEL REAR 63 3 010 427 01 HOLDER LCD 64 3 010 426 01 PLATE LCD LIGHT GUIDE 65 3 011 093 01 SHEET DIFFUSION 66 3 932 892 01 BUTTON 10 KEY r 1 2 3 4 5 6 7 8 9 10 67 3 012 444 01 SHEET ELECTROSTATIC 9 68 3 011 086 01 BUTTON EJECT 6 69 3 011 085 01 PLATE R LIGHT GUIDE 70 3 011 084 01 PLATE L LI...

Page 22: ... X 3369 444 1 HOLDER ASSY 107 3 919 319 01 SPRING HOLDER 108 3 919 320 01 SPRING SUB HOLDER 109 3 919 436 01 CUSHION EJ 110 3 919 280 01 LEVER LOCK R 111 3 919 281 01 SPRING CHKG 112 X 3369 441 1 COVER ASSY MD 113 3 342 940 01 WASHER M 114 X 3369 445 1 LEVER LE ASSY 115 3 919 274 01 SPRING LE 116 3 925 034 01 ROLLER GLE 117 X 3369 443 1 ARM ASSY CHUCKING 118 3 919 279 01 LEVER LOCK L 112 113 114 1...

Page 23: ...PICK UP MD KMS 241A J2N 170 X 3373 213 1 SCREW ASSY FEED 171 3 919 294 01 BEARING SL 172 3 919 293 01 SHAFT SL 173 3 010 091 01 SPRING SL FEED 174 3 920 537 01 SHAFT SL2 175 3 919 283 01 BRACKET SL 176 3 703 816 32 SCREW M1 4X1 6 SPECIAL HEAD 177 3 924 721 01 SPRING B T 178 2 626 617 01 SCREW 2X8 179 3 701 437 01 WASHER M901 A 3291 516 A MOTOR ASSY SP SPINDLE M902 A 3291 190 A MOTOR ASSY SL SLED M...

Page 24: ...8 719 977 00 DIODE DTZ5 1C D808 8 719 978 69 DIODE DTZ TT11 16B D809 8 719 109 93 DIODE RD6 2ESB2 D813 8 719 987 45 DIODE CL 155Y PG CD D814 8 719 987 45 DIODE CL 155Y PG CD D815 8 719 987 45 DIODE CL 155Y PG CD D816 8 719 987 45 DIODE CL 155Y PG CD D817 8 719 987 45 DIODE CL 155Y PG CD D818 8 719 987 45 DIODE CL 155Y PG CD D819 8 719 977 00 DIODE DTZ5 1C D820 8 719 033 13 DIODE CL 170Y CD T D821 ...

Page 25: ...Q804 8 729 904 78 TRANSISTOR DTD113ZK Q805 8 729 106 60 TRANSISTOR 2SB1115A Q806 8 729 026 53 TRANSISTOR 2SA1576A T106 QR Q807 8 729 905 38 TRANSISTOR 2SC4081T106R RESISTOR R801 1 219 286 11 METAL GLAZE 680 2 1 16W R802 1 219 286 11 METAL GLAZE 680 2 1 16W R803 1 219 286 11 METAL GLAZE 680 2 1 16W R804 1 218 847 11 METAL GLAZE 1K 2 1 16W R805 1 218 851 11 METAL GLAZE 1 5K 2 1 16W R806 1 218 851 11...

Page 26: ...6 11 ELECT 4 7uF 20 35V C203 1 115 866 11 ELECT 4 7uF 20 35V C204 1 126 791 11 ELECT 10uF 20 16V C205 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C206 1 164 161 11 CERAMIC CHIP 0 0022uF10 100V C207 1 126 791 11 ELECT 10uF 20 16V C208 1 164 161 11 CERAMIC CHIP 0 0022uF10 100V C209 1 126 791 11 ELECT 10uF 20 16V C210 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C212 1 163 227 11 CERAMIC CHIP 10PF 0 5PF 50V C2...

Page 27: ... D354 8 719 988 62 DIODE 1SS355 D355 8 719 988 62 DIODE 1SS355 D356 8 719 988 62 DIODE 1SS355 D381 8 719 313 73 DIODE SFPB 52 D401 8 719 034 42 DIODE MA4056 M QZ C670RDS D501 8 719 017 62 DIODE MA8068 L TX D502 8 719 017 62 DIODE MA8068 L TX D503 8 719 017 62 DIODE MA8068 L TX D504 8 719 017 62 DIODE MA8068 L TX D505 8 719 034 90 DIODE MA4160 M QZ D531 8 719 420 14 DIODE MA8082 M D551 8 719 914 44...

Page 28: ... METAL CHIP 10K 5 1 10W MAIN JC4 1 216 296 00 CONDUCTOR CHIP 3216 COIL L1 1 414 146 31 INDUCTOR 2 2uH L2 1 414 146 31 INDUCTOR 2 2uH L31 1 410 509 11 INDUCTOR 10uH L401 1 410 509 11 INDUCTOR 10uH C670RDS L651 1 412 537 31 INDUCTOR 100uH L652 1 412 533 21 INDUCTOR 47uH L653 1 412 533 21 INDUCTOR 47uH L681 1 411 669 12 COIL CHOKE L701 1 410 509 11 INDUCTOR 10uH L751 1 410 509 11 INDUCTOR 10uH C670RD...

Page 29: ...W C670RDS R381 1 216 057 00 METAL CHIP 2 2K 5 1 10W R384 1 216 049 11 METAL GLAZE 1K 5 1 10W R401 1 216 129 00 METAL CHIP 2 2M 5 1 10W C670RDS R402 1 216 057 00 METAL CHIP 2 2K 5 1 10W C670RDS R403 1 216 057 00 METAL CHIP 2 2K 5 1 10W C670RDS R501 1 216 073 00 METAL CHIP 10K 5 1 10W R502 1 216 025 00 METAL GLAZE 100 5 1 10W R503 1 216 025 00 METAL GLAZE 100 5 1 10W R504 1 216 150 00 METAL GLAZE 10...

Page 30: ...97 00 METAL GLAZE 100K 5 1 10W C670RDS R999 1 216 037 00 METAL GLAZE 330 1 10W COMPOSITION CIRCUIT BLOCK RB551 1 233 412 11 RES CHIP NETWORK 1 0K 3216 RB552 1 233 412 11 RES CHIP NETWORK 1 0K 3216 RB701 1 233 413 11 RES CHIP NETWORK 2 2K 3216 RB702 1 233 810 21 RES NETWORK 100K 3216 RB703 1 233 412 11 RES CHIP NETWORK 1 0K 3216 RB704 1 233 412 11 RES CHIP NETWORK 1 0K 3216 VARIABLE RESISTOR RV1 1 ...

Page 31: ...ERAMIC CHIP 18PF 5 50V C341 1 162 918 11 CERAMIC CHIP 18PF 5 50V C342 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C343 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C344 1 104 852 11 TANTAL CHIP 22uF 20 6 3V C345 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C346 1 104 852 11 TANTAL CHIP 22uF 20 6 3V C347 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C348 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C349 1 107 826 11 CERAMIC...

Page 32: ...216 809 11 METAL CHIP 100 5 1 16W R335 1 216 815 11 METAL CHIP 330 5 1 16W R336 1 216 853 11 METAL CHIP 470K 5 1 16W R337 1 216 853 11 METAL CHIP 470K 5 1 16W R338 1 216 833 11 METAL CHIP 10K 5 1 16W R339 1 216 827 11 METAL CHIP 3 3K 5 1 16W R340 1 216 843 11 METAL CHIP 68K 5 1 16W R341 1 216 837 11 METAL CHIP 22K 5 1 16W R342 1 216 833 11 METAL CHIP 10K 5 1 16W R343 1 216 827 11 METAL CHIP 3 3K 5...

Page 33: ...PINDLE M902 A 3291 190 A MOTOR ASSY SL SLED M903 A 3291 191 A MOTOR ASSY LO LOADING PL801 1 517 630 21 LAMP PILOT PL802 1 517 630 21 LAMP PILOT HARDWARE LIST 1 7 621 772 10 SCREW B 2X4 2 7 685 792 09 SCREW PTT 2 6X6 S 3 7 685 793 09 SCREW PTT 2 6X8 S 4 7 685 106 19 SCREW P 2X10 TYPE2 NON SLIT 5 7 685 851 04 SCREW BVTT 2X4 S 6 7 624 102 04 STOP RING 1 5 TYPE E 7 7 627 852 37 PRECISION SCREW P1 7X1 ...

Page 34: ...ACKET ASSY EXCEPT C670 E 508 X 3370 077 1 SCREW ASSY AE KEY FITTING C670 E C670RDS 509 3 386 828 01 SCREW FITTING C670 E C670RDS 510 3 349 410 01 BUSHING C670 E C670RDS 511 X 3373 432 1 BRACKET ASSY C670 E 512 7 685 248 14 SCREW KTP 3X12 TYPE4 C670 E 513 3 671 893 00 CLAMP LOW TYPE C670 E 514 1 776 207 11 CORD WITH CONNECTOR POWER C670 515 3 934 325 01 SCREW K 5X8 TAPPING C670 516 1 776 527 41 COR...

Page 35: ... 50 9 925 530 11 Sony Corporation Personal Mobile Communication Company 97A0581 1 Printed in Japan 1997 1 Published by Quality Assurance Dept MDX C670 C670RDS ...

Page 36: ...X C670 C670RDS US Model Canadian Model E Model MDX C670 AEP Model UK Model MDX C670RDS Subject 1 IC BLOCK DIAGRAMS 2 BLOCK DIAGRAMS 3 IC PIN FUNCTION DESCRIPTION SUPPLEMENT 1 File this supplement with the service manual ...

Page 37: ...9 FILI 58 PCO 57 PDO 55 RFI 56 AVSS 54 BIAS 53 AVDD 52 ASYI 51 ASYO 67 VC 66 AUX1 65 FE 64 ABCD 63 BOTM 62 PEAK 50 MVCI 49 D3 48 D2 47 D0 46 D1 45 XWE 44 XRAS 43 A09 42 XCAS 41 XOE 40 DVSS 39 A11 38 A08 37 A07 36 A06 35 A05 34 A04 33 A10 32 A00 31 A01 30 A02 29 A03 28 DVDD 26 XBCK 27 FS256 25 LRCK 24 DADT 23 ADDT 22 DOUT 21 DIN 20 RVSS 19 RVDD 18 XTSL 17 OSCO 16 OSCI 15 TX 14 XINT 13 RECP 12 DQSY ...

Page 38: ... TE 25 WBLADJ 24 VCC 23 3TADJ 22 EQADJ 21 VREF 20 F0CNT 19 XSTBY 18 XLAT 17 SCLK 16 SWDT 15 TEMPR 14 TEMPI 13 GND 12 APCREF 11 APC 10 PD 9 F 8 E 7 D 6 C 5 B 4 A 3 VC VI CONV BGR VREF SCRI PARA DECODE AUXSW COMMAND IVR GSW IV FF FBAL FF TG SEA 1 2 TG TEA WBL 3T EQ DET ADIP AGC WBL BPF22 BPFC ABCDA FEA WBL ATA CVB RFA1 1 2 1 2 GRVA CFST RFA2 GRV HLPT PTGR 2 1 1 2 BOTTOM PEAK RF AGC EQ EQ DET P P WBL...

Page 39: ...T3R PGND3 OUT3F VM3 IN3F IN3R PSB CAPA CAPA IN2R IN2F VM2 OUT2F PGND2 OUT2R VM12 OUT1R PGND1 OUT1F VM1 IN1F IN1R V DD CHARGE PUMP OSC INTERFACE AMP INTERFACE AMP AMP INTERFACE PREDRIVE PREDRIVE PREDRIVE PREDRIVE AMP INTERFACE AMP AMP AMP VDD PSB AMP IC305 BA6287F 1 2 3 4 OUT1 VM VCC FIN 8 7 6 5 GND OUT2 VREF RIN CONTROL LOGIC TSD POWER SAVE DRIVER DRIVER ...

Page 40: ... 1dB STEP TONE FADER 2 LDLC2 3 LDHC2 4 INAO2 5 VRIN2 6 VOUT2 7 TIN2 8 TCLC2 9 TCLC21 10 TCLC22 11 TCO2 12 FDIN2 14 REO2 13 FNTO2 VCTBUFF VCTBUFF VCTBUFF SHIFT REGISTER ZCDET 43 IN21 44 IN22 45 IN23 46 IN24 47 GAIN21 48 GAIN22 INPUT SW 18 VCC 17 VCT 16 DATA 15 TIMER 22 CE 21 CLK 20 DGND 19 GND 45k 45k 1 2 3 4 5 6 7 8 9 10 20 19 18 15 14 13 12 11 16 20BIT COUNT IF COUNT CONTROL SHIFT REGISTER LATCH ...

Page 41: ... SW GND E SW IN LIMIT 7 8 9 10 LO LO 5 6 RF AMP IC302 DSSP DSP IC301 PEAK HOLD Q301 1 2 4 LASER APC SWITCH IC306 SLED SPINDLE MOTOR DRIVE FOCUS TRACKING COIL DRIVE IC303 SERVO BOARD SENSOR BOARD SENSOR FLEXIBLE BOARD OPTICAL PICK UP KMS 241A OSC IC304 X301 LEVEL SHIFT IC502 22 5792MHz VC RFI ABCD AUX2 PEAK BOTM FE ADFG SE TE APCREF SWDT SCLK XLAT DADT LRCK XBCK FS256 TFDR TRDR FFDR FRDR SPFD SPRD ...

Page 42: ...CO2 FDIN2 VCT FDIN1 TCO1 ELECTRICAL VOLUME CONTROL IC301 S702 POWER SELECT MUTE SW Q351 LINE AMP IC331 LINE AMP IC331 1 2 3 5 6 7 COM 8V 5V 5V BZ701 BEEP SW Q701 AD ON AD SW Q551 1 2 AD SW Q551 2 2 CNJ501 BUS CONTROL IN 6 5 4 7 1 2 3 8 REG Q631 REG Q632 SW Q633 CONTRAST CONTROL Q634 637 COLOR LCDCE LCDSO LCDCLK KEY IN1 KEY IN0 RCIN0 RCIN1 VOL VOL J551 REMOTE IN 12 11 10 9 8 7 6 5 4 3 2 1 CNP801 RO...

Page 43: ...put for temperature detection 40 ACNT I A D input to select the number of Load Eject aging times 0H 54H 30 times 55H OA9H 20 times OAAH OFFH 10 times 41 DO SEL I A D input to select digital output bits 42 EE CS O Output of EEPROM selection Not used in this set open 43 EE CKO O Serial clock output for EEPROM Not used in this set open 44 EE SIO I O EEPROM data input output Not used in this set open ...

Page 44: ... Input of SONY BUS serial interface data 17 UNISO O Output of SONY BUS serial interface data 18 UNICKI I Input of SONY BUS serial interface clock 19 UNICKO O Output of SONY BUS serial interface clock 20 BUSON O Output of bus ON control L SONY BUS communication is active 21 SYSRST O Output of system reset control L SONY BUS slave micro computer is reset 22 AMPON O Output of power amplifier ON contr...

Page 45: ...put of A D converter ON control 59 RAMBU I Input of RAM reset detection 60 RESET I Input of RESET L RESET 61 SIRCS I Input of remote controller 62 BUIN I Input of backup power detection 63 DOORSW I Not used connected to the GND 64 ACCIN I Input of accessory power detection 65 NOSESW I Input of front panel remove attach detection 66 TELMUTE I Input of telephone mute detection H Mute ON 67 KEYACK I ...

Page 46: ...the GND 32 35 Not used open 36 Connected to the GND 37 Connected to the GND 38 PLL DI I PLL serial data input pin 39 PLL DO O PLL serial data output pin 40 PLL CLK O PLL serial clock output pin 41 CE O PLL serial chip enable output pin 42 RQ O Bus request signal output pin 43 LINK OFF O Link off signal output pin for SONY BUS 44 SCK I Serial clock input pin for SONY BUS 45 SI I Serial data input p...

Page 47: ...tion detection signal input pin 72 75 Not used open 76 PDWN O Power down terminal Not used in this set open 77 TIM RESET O Reset power down terminal Not used in this set open 78 TIM CE O Data permission prohibition setting through D0 to D3 H permission Not used in this set open 79 TIM CE O Data permission prohibition setting through D0 to D3 L permission Not used in this set open 80 WR I Write pul...

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