Sony MZ-R70 Analog PCLink Service Manual Download Page 30 | Manualshive

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6-5. SCHEMATIC DIAGRAM — MAIN BOARD (1/3) — • Refer to page 30 for Waveforms.

• Refer to page 41 for IC Block Diagrams.

MZ-R70

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Summary of Contents for MZ-R70 Analog PCLink

Page 1: ...1 38 mV Line in stereo mini jack 69 194 mV Optical Digital in optical digital mini jack Outputs i1 stereo mini jack maximum output level 5 mW 5 mW load impedance 16 ohm i2 stereo mini jack maximum output level 5 mW 5 mW load impedance 16 ohm General Power requirements Sony AC Power Adaptor supplied connected at the DC IN 3 V jack 120 V AC 60 Hz US model 230 240 V AC 50 60 Hz UK and Hong Kong model...

Page 2: ... the bottom exterior Dimensions Approx 81 74 26 2 mm w h d 3 1 4 3 1 1 16 in without projections Mass Approx 115 g 4 oz the recorder only Approx 155 g 5 4 oz incl a recordable MD and NC WMAA nickel cadmium rechargeable battery Supplied accessories AC power adaptor 1 Headphones with a remote control 1 Optical cable 1 NC WMAA nickel cadmium rechargeable battery 1 Rechargeable battery carrying case 1...

Page 3: ...Display Mode 17 4 7 Key Check Mode 19 TABLE OF CONTENTS 5 ELECTRICAL ADJUSTMENTS 20 5 1 Outline 20 5 2 Precautions for Adjustment 20 5 3 Adjustment Sequence 20 5 4 NV Reset 20 5 5 Power Supply Manual Adjustment 20 5 6 Temperature Correction 22 5 7 Overall Adjustment Mode 22 5 8 Laser Power Check 23 6 DIAGRAMS 25 6 1 Block Diagram MD Section 25 6 2 Block Diagram Audio Section 27 6 3 Block Diagram P...

Page 4: ...lectrostatic break down easily When handling it perform soldering bridge to the laser tap on the flexible board Also perform measures against electrostatic break down sufficiently before the operation The flexible board is easily damaged and should be handled with care OPTICAL PICK UP FLEXIBLE BOARD When repairing this device with the power on if you remove the MAIN board or open the upper panel a...

Page 5: ... 5 SECTION 2 GENERAL This section is extracted from instruction manual ...

Page 6: ... 6 ...

Page 7: ... 7 ...

Page 8: ...ssy OP Motor Flexible Board Holder Assy Motor DC M602 Motor DC M601 Motor DC M603 1 CN801 2 3 4 screws 1 4 5 screws 1 4 6 panel block assy upper Note When installing fit the knobs HOLD SYNCHRO REC and switches S804 S807 1 lid battery case lid battery case 6 block assy bottom block assy bottom 3 screws 1 4 knob HOLD knob SYNCHRO REC hinge S807 S804 4 screws 1 4 2 5 Note When installing the bottom b...

Page 9: ...3 3 LCD MODULE 3 4 MAIN BOARD 1 screws 1 7 3 LCD module claws 2 4 screw 1 4 qs 5 screw 1 4 8 screw 1 7 6 screws 1 7 7 stay 1 CN601 qd CN501 3 Remove the solder qa boss qf MAIN board 2 CN602 9 claws 0 claws ...

Page 10: ...crew 1 4 9 bearing 5 screw 4 rack spring 3 precision pan screw M1 4 1 washer 0 8 2 5 2 gear SA 6 screw 8 Pull off the lead screw 7 B A 0 Opening the over write head toward the direction A remove the OP Service assy toward the direction B Note Do not open the entire assy forcibly when opening the over write head over write head section ...

Page 11: ...5 motor flexible board 4 adhesive sheet Note Align a circular hole in the stripping paper with a circular hole in the DC motor sled when mounting the motor flexible board 3 8 MOTOR FLEXIBLE BOARD 5 Remove the holder assy to direction of the arrow C 1 Open the holder assy A B 3 C 2 Push the convex portion toward the direction B and open the holder assy toward the direction A to erect uprightly 4 bo...

Page 12: ...tor over write head up down M603 6 two precision pan screws M1 4 qa gear chassis assy 0 screw M1 2 1 5 9 gear HA 8 gear HB 7 washer 0 8 2 5 2 washer 0 8 2 5 3 gear HC 5 DC motor spindle M601 DC motor over write head up down M603 gear chassis assy gear HA 2 65 mm Note Press fit the gear HA up to the position of the DC motor over write head up down M603 as shown below 3 9 MOTOR DC M602 3 10 MOTOR DC...

Page 13: ...keys in the description refer to the keys on both set and remote commander unless otherwise specified Though LCD display shows the LCD of the remote commander same con tents are also displayed on the LCD of the set 4 2 TEST MODE 4 2 1 Setting Method of Test Mode There are two different methods to set the test mode 1 Short BP801 TEST on the MAIN board with a solder bridge connect pin y of IC801 to ...

Page 14: ...the 1 or VOL 3 key Key Check Mode Test Mode Display Check Mode Press the x 3 key Press the x 3 key Press the x 3 key Press the x 3 key Press the 3 or VOL 3 key Press the N 1 or REC 1 or N 2 key press the DISPLAY 2 or MENU 1 key Press the T MARK 3 or DISPLAY 2 key on the remote commander for several seconds Quit the key check or open the upper panel Sound Skip Check Result Display Mode LCD display ...

Page 15: ...tion 5 Electrical Adjust ment See page 20 Address Adjusted Value Display LCD display Jitter Value Adjusted Value Display LCD display Block Error Value Adjusted Value Display LCD display ADIP Error Value Adjusted Value Display LCD display Item Title Display LCD display C 6 8 S 0 1 011 0 6 3 B 0 1 011 0 5 9 A 0 1 011 L r e f P w 0 1 011 0 F F J 0 1 011 mode number address adjusted value mode number ...

Page 16: ... check mode 4 5 SOUND SKIP CHECK RESULT DISPLAY MODE This set can display and check the error count occurring during record and play Setting method of Sound Skip Check Result Display Mode 1 Setting the test mode See page 13 2 Press the N or REC key on the set activates the sound skip check result display mode where the LCD displays as shown below When N or REC key on the set is pressed 3 When N ke...

Page 17: ...error occurred Clear both total recording time and the time in self diagnosis display mode when the optical pick up was replaced 1 Setting the test mode See page 13 2 Press the MENU key on the set or press the DISPLAY key on the remote commander activates the self diagnosis dis play mode where the LCD display as shown below 3 Then each time key is pressed LCD display descends by one as shown below...

Page 18: ...key on the set or press the DISPLAY key on the remote commander activates the self diagnosis display mode 3 Press the X key or REC key on the set during display of self diagnosis data when clearing the self diagnosis data or during display of total recording time when clearing the total recording time Thus ClrOK will be displayed on the LCD and press the same key again and when self diagnosis data...

Page 19: ... ever for the slide switch on the set it is not checked unless it is reciprocated The key pressed to enter the key check mode was already checked at that time Set key Key Indication N PLAY FF FR X PAUSE VOL VOL VOL VOL x STOP REC REC END SEARCH END S MENU JOG MENU JOG ENTER PUSH T MARK T MARK HOLD hold HLDon HOLD off HLDoff SYNCHRO REC on SYCon SYNCHRO REC off SYCoff Remote commander key Key Indic...

Page 20: ...ed otherwise supply DC 3V from the DC IN 3V jack 4 Switch position HOLD switch OFF 5 3 ADJUSTMENT SEQUENCE Adjustment must be done with the following steps 1 NV Reset Memory clear r 2 Power Supply Manual Adjustment Manual Mode r 3 Temperature correction r 4 CD Overall Adjustment r Overall Mode 5 MO Overall Adjustment 5 4 NV RESET Setting method of NV reset 1 Select the manual mode of test mode and...

Page 21: ...board TP914 VC TP5105 GND V r l V c l 764 LCD display digital voltmeter MAIN board TP914 VC TP5105 GND Adjustment method of VC PWM Duty H mode number 765 1 Select the manual mode of the test mode and set the mode number 765 See page 14 2 Connect a digital voltmeter to the TP915 VC on the MAIN board and adjust VOL key voltage up or VOL key voltage down so that the voltage becomes 2 5 0 02 V Proceed...

Page 22: ...perature 3 Adjust with VOL VOL key so that the adjusted value hexadecimal value becomes the ambient temperature Initial value 14h 20 C Adjusting range 80h to 7fh 128 C to 127 C 4 Press the X key to write the adjusted value 5 7 OVERALL ADJUSTMENT MODE Adjustment Method of Overall Adjustment Mode 1 Setting the test mode See page 13 2 Press the or VOL key activates the overall adjust ment mode where ...

Page 23: ... MO write TWPP gain adjustment 431 MO write TWPP offset adjustment 432 436 MO write ABCD level adjustment 445 MO write tracking gain adjustment 411 MO x1 speed read TWPP offset adjustment 412 448 32 cluster full recording 141 MO focus bias adjustment 5 8 LASER POWER CHECK Connection Check Method 1 Select the manual mode of test mode and set the laser power adjusting mode mode number 010 2 Press th...

Page 24: ... 24 Connecting Location MAIN BOARD SIDE A MAIN BOARD SIDE B TP5105 TP914 TP915 TP1001 TP1002 R1005 ...

Page 25: ...21 22 4 CH MOTOR DRIVE IC601 FOCUS COIL DRIVE LPF SW Q501 SPINDLE MOTOR DRIVE SPINDLE MONITOR 7 5 16 15 FOCUS COIL DRIVE 11 9 26 28 46 44 42 34 35 36 17 14 13 25 23 24 2 3 1 48 PWM24 PWM1 M602 SLED TRACKING COIL FOCUS COIL M601 SPINDLE OE SPDL PWM CLVU SPCW SLCV SLCU SPCV SPCU CLVV CLVW TO POWER SECTION B OE U V W PD SO PD SI OPTICAL PICK UP BLOCK LCX 2R 5 2 2 5 3 7 6 1 1 6 SWITCH IC504 505 X501 2...

Page 26: ... 5 3 2 1 46 MUTE STB CDTI 15 CCLK 13 CDTO SWDT SCLK 14 SO0 SCK0 SI0 XCS NV D A CONV DIGITAL SIGNAL PROCESSOR EFM ACIRC ENCODER ATRAC ENCODER 16M BIT DRAM IC502 2 2 TO PB SECTION A BEEP POWER LCD SECTION C TO POWER LCD SECTION D 12 13 11 HD CON1 30 HD CON2 31 MODE 1 27 MODE 2 28 MODE 3 29 119 111 110 SYSTEM CONTROLLER IC801 2 3 3 BEEP 18 19 XHP STBY 23 MUTE 117 XOPT CONT 116 XJACK DET 114 OPT DET 1...

Page 27: ...D 1 SYNC REC BATT B KEY IN MATRIX LCD DRIVER X801 16 934MHz LCD ON OFF S807 SYNCHRO REC 73 XHOLD SW 56 T MARK OFF HOLD S804 HOLD S803 T MARK 60 X TEST BP801 TEST 3 PROTECT S806 PROTECT DETECT 50 OPEN CLOSE SW S801 OPEN CLOSE DETECT VR B POWER CONT VREG B 10 8 CHG B 47 POWER CONT POWER CONT Q901 2 2 2 5V REG VR 26 DC DC CONV L2 VB BATM 4 RF5 48 CHG SW 2 RS DC IN S802 OPEN 1 5 2 IC902 Q901 1 2 RECHA...

Page 28: ...arts extracted from the conductor side f internal component Pattern from the side which enables seeing Caution Pattern face side Parts on the pattern face side seen from the Side B pattern face are indicated Parts face side Parts on the parts face side seen from the Side A parts face are indicated Main board is four layer printed board However the patterns of layers 2 and 3 have not been in cluded...

Page 29: ...C526 C619 S807 SYNCHRO REC S804 HOLD C620 C938 C937 C622 AP1001 L502 FB503 FB502 FB504 BP801 AP519 AP830 AP521 OFF ON C532 L605 L602 R507 C336 C338 C806 L801 C1001 C507 C517 C515 R506 R842 R1001 C919 C936 C901 R503 R508 R509 R510 C537 R935 R609 R608 C633 R1010 R1003 R1002 R905 R306 C310 C1002 C522 D901 C904 Q301 Q901 Q302 R906 C939 FB301 R922 C920 R901 R902 C317 04 C319 D301 C316 C315 C324 FB303 F...

Page 30: ... 35 36 6 5 SCHEMATIC DIAGRAM MAIN BOARD 1 3 Refer to page 30 for Waveforms Refer to page 41 for IC Block Diagrams MZ R70 Page 38 Page 39 ...

Page 31: ... 37 38 MZ R70 6 6 SCHEMATIC DIAGRAM MAIN BOARD 2 3 Refer to page 42 43 for IC Block Diagrams Page 36 Page 39 ...

Page 32: ... 39 40 MZ R70 6 7 SCHEMATIC DIAGRAM MAIN BOARD 3 3 Refer to page 41 43 for IC Block Diagrams Page 36 Page 38 ...

Page 33: ...41 40 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 A B C D I J NPP TON CSL Aw Dw TON Peak TON Botm ADIP TE TEMP 33 32 S MONITOR TE RF FE APC ADIP T ON SERIAL I F PEAK BOTM ABCD Tpp Wpp 1 14 OUT1 2 DC CUT1 3 IN1 4 MIC V 1 REG NOISE GND 13 DC CUT2 OUT2 12 IN2 11 MIC V 2 10 GV 9 8 7 5 6 STBY V REG BIAS V REF MT SW BST SW BEEP 19 20 21 22 23 24 18 17 16 15 14 13 PW SW 12 11 10 8 7 BST1 9 BST...

Page 34: ... 17 18 22 21 20 19 36 24 16 15 38 39 40 35 34 33 32 31 30 29 28 27 26 25 4 5 6 7 9 10 11 12 37 44 46 47 41 42 43 8 1 VI RO1 PGND1 FO1 VM12 RO2 PGND2 FO2 RI2 FI2 RI1 FI1 OE VC GND VG FI3 RI3 FI4 RI4 PWM24 FO4 VM4 PGND4 RO4 VM34 FO3 PGND3 RO3 VM3 COM CPWI CPVI PGNDW WO VMVW VO PGNDUV UO WI VMU CPUI COWO COVO COUO VC VC VC VG VC VG VC VC VG VC VC VG VC VC VG VC VC VG VM2 VM1 UI PWM1 2 3 48 45 23 22 2...

Page 35: ...12 15 14 13 16 24 23 22 17 18 19 20 21 8 37 FFCLR VSTL VRMC XRST CRST RSTREF CLK CHGSW DCIN INM3 RS INM5 RF5 BATM INP3 RF3 FB VREG VLD VR RF4 INM4 SERON PWMVC SWVG GND VG DTC INM1 RF2 RF1 INM2 VB SLEEP VC VC VC RF2 RF2 XRST FFCLR VC VB VC VG VG VC VC VR XWK1 XWK2 XWK3 XWK4 VCIN VC L1 PGND L2 VROUT VCON VC DCIN VB VREG RF4 DCIN DCIN CHGMON CHGB VREF 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 2...

Page 36: ...ignal 22 05 kHz 1 kHz output to the CXD2660GA IC502 22 DVDD Power supply terminal 2 4 V digital system 23 SBUS I O Two way SSB serial data bus with the system controller IC801 24 SCK I SSB serial clock signal input from the system controller IC801 25 XRST I Reset signal input from the system controller IC801 L reset 26 OFTRK I Off track signal input from the CXD2660GA IC502 27 DGND Ground terminal...

Page 37: ...MHz input terminal 20 OSCO O System clock 512Fs 22 5792 MHz output terminal 21 VSIO0 Ground terminal for I O 22 to 29 NC Not used open 30 VSC1 Ground terminal for internal logic 31 XTSL I Input terminal for the system clock frequency setting L 45 1584 MHz H 22 5792 MHz fixed at H in this set 32 XCS_DSP I Chip select signal input from the system controller IC801 33 DIN1 I Digital audio signal input...

Page 38: ...LTV I A Internal VCO control voltage input of the recording playback EFM master PLL 84 PEAK I A Light amount signal RF ABCD peak hold input from the SN761056ADBT IC501 85 BOTM I A Light amount signal RF ABCD bottom hold input from the SN761056ADBT IC501 86 ABCD I A Light amount signal ABCD input from the SN761056ADBT IC501 87 FE I A Focus error signal input from the SN761056ADBT IC501 88 AUX1 I A ...

Page 39: ...r supply terminal 2 4 V for I O 126 VSIO3 Ground terminal for I O 127 SPDU O Spindle servo U drive signal output to the MPC17A56FTA IC601 128 SPDV O Spindle servo V drive signal output to the MPC17A56FTA IC601 129 SPDW O Spindle servo W drive signal output to the MPC17A56FTA IC601 130 SPCU I Spindle servo U timing signal input from the MPC17A56FTA IC601 131 SPCV I Spindle servo V timing signal inp...

Page 40: ...gnal output to the liquid crystal display 22 LCD RST O Reset control signal output to the liquid crystal display 23 XHP STBY O Standby on off control signal output to the line headphone amplifier IC303 L standby mode H amplifier on 24 CLV U O Spindle servo U drive signal input from the MPC17A56FTA IC601 25 CLV V O Spindle servo V drive signal input from the MPC17A56FTA IC601 26 CLV W O Spindle ser...

Page 41: ...mode Not used open 63 SET CODE2 I Destination setting terminal for the test mode 64 REG CTL PWM O Synchronizing external clock signal output to the MPC18A31FTA IC901 65 VRM PWM O VREM power supply voltage control PWM signal output to the MPC18A31FTA IC901 66 VC PWM O System power supply voltage control PWM signal output to the MPC18A31FTA IC901 67 SPDL PWM O Spindle servo drive voltage control PWM...

Page 42: ...tput terminal 102 SSB DATA I O Two way SSB serial data bus with the SN761056ADBT IC501 103 SBSB CLK I SSB serial clock signal output to the SN761056ADBT IC501 104 FLASH WR EN Not used fixed at H 105 VDD Power supply terminal 2 4 V 106 VSS Ground terminal 107 to 109 VLC1 to VLC3 Power supply terminal for the liquid crystal display 2 4 V 110 XCS ADA O Chip select signal output to the A D D A convert...

Page 43: ... 6 4 995 271 01 SCREW MD STEP 7 A 3323 423 A MAIN BOARD COMPLETE 8 3 335 797 91 SCREW M1 4 TOOTHED LOCK 9 4 218 233 05 SCREW 1 4 MI 10 3 318 382 21 SCREW 1 7X3 TAPPING 11 X 3378 331 1 LID B ASSY BATTERY CASE BLACK BLACK 11 X 3378 332 1 LID L ASSY BATTERY CASE BLUE BLUE 11 X 4952 535 1 LID S ASSY BATTERY CASE SILVER SILVER 12 4 226 126 01 HINGE 13 4 226 120 01 SPRING LOCK COMPRESSION 14 X 3378 815 ...

Page 44: ...1 GEAR SA 65 X 4951 919 1 HOLDER ASSY 66 4 222 208 01 GEAR SB 67 4 222 204 01 BEARING 068 X 3378 726 1 SERVICE ASSY OP LCX 2R 69 4 222 203 01 SCREW LEAD 70 3 349 825 21 SCREW 71 4 222 205 01 SPRING RACK 72 4 222 222 01 GEAR RACK 73 4 222 226 01 SPRING EJECT TENSION 74 4 997 677 11 WASHER M601 8 835 666 01 MOTOR DC SSM 01C14A C NP SPINDLE with TURN TABLE M602 1 763 399 11 MOTOR DC SLED with GEAR M6...

Page 45: ...ERAMIC CHIP 0 1uF 16V C304 1 135 259 11 TANTAL CHIP 10uF 20 6 3V C306 1 135 259 11 TANTAL CHIP 10uF 20 6 3V C307 1 110 569 11 TANTAL CHIP 47uF 20 4V C308 1 107 820 11 CERAMIC CHIP 0 1uF 16V C310 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C311 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V C312 1 164 949 11 CERAMIC CHIP 0 047uF 16V C315 1 110 569 11 TANTAL CHIP 47uF 20 4V C316 1 125 777 11 CERAMIC CHIP 0 1uF ...

Page 46: ...01uF 10 16V C905 1 164 937 11 CERAMIC CHIP 0 001uF 10 16V C906 1 135 259 11 TANTAL CHIP 10uF 20 6 3V C910 1 107 819 11 CERAMIC CHIP 0 022uF 10 16V C911 1 135 259 11 TANTAL CHIP 10uF 20 6 3V C913 1 135 259 11 TANTAL CHIP 10uF 20 6 3V Ref No Part No Description Remark Ref No Part No Description Remark MAIN C915 1 115 169 11 TANTALUM 10uF 20 6 3V C916 1 110 569 11 TANTAL CHIP 47uF 20 4V C917 1 128 96...

Page 47: ... 729 046 44 FET ZDT6718TA Q902 8 729 046 45 FET SI2302DS T1 Q905 8 729 928 27 TRANSISTOR DTA144EE Q906 8 729 928 81 TRANSISTOR DTC144EE Q1001 8 729 922 10 TRANSISTOR 2SA1577 QR RESISTOR R101 1 216 835 11 METAL CHIP 15K 5 1 16W R102 1 216 829 11 METAL CHIP 4 7K 5 1 16W R103 1 216 797 11 METAL CHIP 10 5 1 16W R104 1 216 819 11 METAL CHIP 680 5 1 16W R108 1 216 829 11 METAL CHIP 4 7K 5 1 16W R109 1 2...

Page 48: ...5 1 16W R904 1 216 833 11 RES CHIP 10K 5 1 16W R905 1 216 864 11 METAL CHIP 0 5 1 16W R906 1 216 817 11 METAL CHIP 470 5 1 16W R907 1 216 849 11 METAL CHIP 220K 5 1 16W R908 1 216 844 11 METAL CHIP 82K 5 1 16W R911 1 216 864 11 METAL CHIP 0 5 1 16W R912 1 216 829 11 METAL CHIP 4 7K 5 1 16W R913 1 216 853 11 METAL CHIP 470K 5 1 16W R914 1 216 843 11 METAL CHIP 68K 5 1 16W R915 1 216 841 11 METAL CH...

Page 49: ... 418 277 11 ADAPTOR AC AC MZR55 AUS 0 1 418 784 11 ADAPTOR AC AC MZR70 CH 0 1 418 785 11 ADAPTOR AC AC MZR70 AR 1 418 831 11 REMOTE CONTROL UNIT RM MZ3R 0 1 569 007 11 ADAPTOR CONVERSION 2P E JE 1 756 034 61 BATTERY NC WMAA Ni Cd EXCEPT US CND 1 756 034 71 BATTERY NC WMAA Ni Cd US CND 1 794 451 11 CONNECTOR LIGHT EXCEPT HK JE 1 794 451 51 CONNECTOR LIGHT HK JE 3 029 488 01 POUCH CARRYING E HK AR K...

Page 50: ... 58 MZ R70 Sony Corporation Personal Audio Division Company 9 927 631 12 2000B0425 1 Printed in Japan C2000 2 Published by General Engineering Dept ...

Page 51: ...h the service manual Subject Taiwan model Addition Taiwan model is added to the MZ R70 This supplement 1 describes only differences from the MZ R70 E model Refer to the service manual for MZ R70 9 927 631 S for other information Ver 1 2 2000 09 MZ R70 US Model Canadian Model AEP Model UK Model E Model Australian Model Chinese Model Tourist Model The components identified by mark 0 or dotted line w...

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