索尼 sony_MZ-R5ST_training 电路图 维修手册.pdf

Confidential PORTABLE MINI DISC RECORDER NEW TECHNICAL THEORY FOR SERVICING MZ-R5ST OPERATION MANUALConfidential 2 Contents Page 1. BLOCK DIAGRAMS ············································································································································································ 3 1-1. Block Diagram (MZ-R5ST) ······································································································································································ 3 1-2. Block Diagram (MZS-R5ST) ···································································································································································· 3 2. FUNCTIONS AND FEATURES ························································································································································ 9 3. CIRCUIT THEORY OF MZ-R5ST STATION ······························································································································ 11 3-1. System Configuration ············································································································································································· 11 3-2. Microprocessor Interface ········································································································································································ 17 3-3. Power Supply Circuit ·············································································································································································· 19 3-4. Charging Circuit ······················································································································································································ 27 3-5. System Backup Circuit ············································································································································································ 28 3-6. Key Input and Switch Detection ····························································································································································· 31 3-7. MiniDisc Recorder Connection and Removal ········································································································································ 37 3-8. Mute Circuit ···························································································································································································· 38 3-9. LCD Backlight Illuminating Circuit ······················································································································································· 40 3-10. Clock Adjustment ·················································································································································································· 41 4. SIGNAL CIRCUIT ··············································································································································································· 42 4-1. Recording Circuit ···················································································································································································· 42 4-2. Playback Circuit ······················································································································································································ 49 5. MZ-R5ST MiniDisc RECORDER POWER SUPPLY CIRCUIT THEORY ······································································· 53 5-1. Types of Power Supply ··········································································································································································· 53 5-2. Identifying Power Supply ······································································································································································· 54 5-3. Circuit Voltage························································································································································································· 54 5-4. Theory When MiniDisc Recorder Is Operated On Battery ····················································································································· 60 This NEW TECHNICAL THEORY FOR SERVICING describes theory of station (MZS-R5ST) and power supply circuit of MiniDisc recorder (MZ-R5ST). Refer to MZ-R30 NEW TECHNICAL THEORY FOR SERVICING for theory of MiniDisc recorder.Confidential 3 4 5 1-1. Block Diagram (MZ-R5ST) 1. BLOCK DIAGRAMS COMPA- RATOR OVER WRITE HEAD DRIVE Q401-404 CB A D I J F E RF AMP IC501 RF AMP, FOCUS/TRACKING ERROR AMP MORFO RF AGC PEAK & BOTTOM EQ B.P.F 1 2 48 47 46 40 AGCI RFO EQ WBL 3T I-V AMP 4 5 6 7 I-V AMP B.P.F 3T 8 9 AT AMP 12 ABCD AMP FOCUS ERROR AMP TRACKING ERROR AMP 29 30 DECODER SERIAL/ PARALLEL CONVERTER V-I CONVERTER LD/PD AMP AUTOMATIC POWER CONTROL COMMAND EQ 3T 00X WBL 11 10 MORFI APC REF PD APC 32 17 16 18 20 XLAT SCLK SWDT FOCNT ADFG 28 26 34 35 33 36 37 SE TE FE ABCD AUX BOTM PEAK 38 RF I J A B C D F E DETECTOR OPTICAL PICK-UP BLOCK (KMS-280A/J2N) I J A B C D F E LASER ON DIODE ILCC PD VR SLED MOTOR DRIVE SPINDLE MOTOR DRIVE FOCUS COIL DRIVE TRACKING COIL DRIVE 22 3 XPS 11 13 8 29 6 31 21 16 17 15 18 M FOCUS COIL TRACKING COIL SLED MOTOR M902 2-AXIS DEVICE FCS+ FCS TRK+ TRK 2.8V VC K VCC VC SLED/SPINDOLE MOTOR DRIVE, FOCUS/TRACKING COIL DRIVE SFDR SDDR FFDR FRDR TFDR TRDR SPRD SPFD SFDR SDDR FFDR FRDR TFDR TRDR HR901 OVER WRITE HEAD 55 5 62 63 66 64 65 74 73 79 82 81 80 83 78 100 58 59 60 61 52 51 FILTER EFMO PCO FILI FILO CLTV PLL ASYO ASYI RFI PEAK BOTM AUTO SEQUENCER EFM/ACIRC ENCODER/DECODER SHOCK PROOF MEMORY CONTROLLER ATRAC ENCODER/DECODER DIGITAL AUDIO INTERFACE SAMPLING RATE CONVERTER SUBCODE PROCESSOR CLOCK GENERATOR SERVO DIGITAL SIGNAL PROCESSOR 26 XBCK 25 LRCK 16 OSCI 17 OSCO 12 DQSY 11 SQSY 21 DIN 24 DADT 23 ADDT 22 DOUT 94 1 MNT0 2 5 SWDT 6 SCLK 7 XLAT 8 SRDT 9 SENS MONITOR CONTROL CPU INTERFACE MNT1 ANALOG MUX ABCD AUX SE TE FE ADIP DEMODULATOR/ DECODER ADFG SPINDLE SERVO A/D CONVERTER FOCNT DTRF CKRF XLRF AUTOMATIC POWER CONTROL PWM GENERATOR APCREF 93 92 91 88 89 86 85 SPRD SPFD SFDR SDDR FFDR FRDR TFDR TRDR 10 13 WR PWR RST DIGITAL SIGNAL PROCESSOR IC503 15 TX BCK LRCK LC UNIT LCD1 17 37 12 15 SEG0 SEG20 COM0 COM3 LCD DRIVER SYSTEM CONTROL IC811 IC801 10 XCS 11 C/D 16 XRESET PD LD SLP SW Q703 WR PWR 3 3 11 10 EFM LOGIC LOGIC CONT DRIVER 25 2 1 16 17 14 19 REC DRIVE IC506 +2.8V Q505 (2/2) Q505 (1/2) H BRIGE IC702 L512 VC IC702 CK 8 1 13 HF MODULE MOD Q502 FCS+ FCS TRK+ TRK 27 FS256 FS256 X501 22.5MHz Q503 (2/2) Q503 (1/2) 4 MODULE DET IC510 16 2.8V 32 29 47 46 . 48 49 . 34 38 43 45 44 42 41 6 9 1 2 . 18 19 . 11 15 5 3 4 17 16 A0 A3 A9 XWE XRAS XCAS XOE A9 WE RAS CAS OE D0 D3 A4 A8 A0 A3 DQ1 DQ3 A4 A8 ATRAC MEMORY CONTROL 4M DRAM IC509 19 SPFD CLOCK DET 2 24 90 FS4 9 3 4 21 22 13 1 15 10 20 SPINDLE MOTOR M901 U V COM W SPINDLE MOTOR IC701 DRIVER FG 2.8V ST 1A 10 M 12 5 7 STEPPING MOTOR M903 STEPPING MOTOR DRIVE IC702 16 2 3 15 1 8 13 VC H BRIGE ST 2A ST 1B ST 2B 95 FG IN 19 XSTBY 1 2 4 4 2 IC511 IC512 9 8 6 7 18 17 5 D IN D OUT AD DATA DA DATA XBCK XRCK FS256 CN802 TO ST SECTION MIC PLUG IN POWER J301 R-CH MIC DET Q301 5 2 3 IN CE OUT 2.8V A MIC POWER IC301 20 0 MIC ATT MIC ATT Q101 6 5 7 IC302 S301 MIC AMP 44 CLOCK DIVIDER 4 5 3 2 1 47 AUDIO I/F ADC DAC CONTROL I/F 26 46 16 15 14 13 XRST PD AD/DA CONVERTER IC303 13 R-CH A L OUT 12 A R OUT 65-TO-1 SHIFT REGISTER CONTROL UNIT 5 6 12 3 13 7 IC305 AUDIO GAIN CONTROL (EVR) 4 BEEP CONTROL Q311(1/2) MUTE CONTROL Q314 MUTE CONTROL IC306 4 3 2 Q311(2/2) A MUTE 16 LI + UNREG 5V XSTATION CS0 SDI0 SDO0 SCK0 31 2 4 22 19,20 21 1 3 11 16 12 13 PW SW VCC MUTE HP AMP IC805 2.8V A Q313 2.8V A R-CH RVCC DATA KEY2 HEADPHONES J302 DC/DC 1 3 4 RECHAREABLE BATTERY (NI-MH) BP-DM20 2PCS,3V DRY BATTERY SIZE “AA“ (IEC DESIGNATION R6) OR RECHAREABLE BATTERY (LITHIUM ION) LIP-8 3.7V 2 3 6 7 1 8 4 5 +B SWITCH IC808 NG1 NG2 ND1 ND2 NS1 NS1 NS2 NS2 D801 Q901 AM3+ AM3 LI+ LI REG Q804,805 D/D 2.8V Q803 IC806 5 D/D RV801 UNREG 5V 2.8V A 2.8V LI + 8 6 5 4 3 V OUT VD IN V OUT VDD LX REG/RESET IC802 MICON +B RVCC SWITCH Q504 IC505 +B IC506 +B UNREG XSTATION UNREG 5V D808 9 SD 8 SCK 7 VDD MICON +B Q801(1/2) TEMP METER 2 3 1 2.8V RF SW 35 XRST 2 LD ON 6 FG IN 61 71 ST 1A 72 ST 2A 91 ST 1B 92 ST 2B ST 1A ST 2A ST 1B ST 2B 5 SENSE 77 DSI1 69 XLAT 79 SCK1 78 SDO1 7 XSHOCK 76 TCONT 75 DQSY 80 SQSY 4 TX 33 MODE2 34 MODE1 18 CSST 43 SDI0 44 SCK0 45 SDO0 CS0 SDI0 SCK0 SDO0 68 MIC DET 90 PD 99 SDO2 21 SDI2 97 SCK2 89 CS 17 EVR DATA 95 EVR CS 81 BEEP 93 A MUTE 11 DATA 49 KEY R 59 UNREG MNT 60 LI MNT 30 P CONT 29 XAMCN 31 BATT ON 53 AM3 27 DC IN 96 CS NV 1 CS 3 DI 4 DO 2 SK NV RAM IC807 36 LCD ON 100 LCD CS 19 LCD CD 94 XLCD RST 38 M RST T MARK END S PAUSE T MARK S803 S802 S801 S901-908 FUNCTION KEY D804 KEY ON SWITCH S806,809,810 S808 REC D807 57 KEY 0 13 WP 55 KEY 3 58 KEY 1 70 KEY ON IC803 54 TEMP 32 REC LED MICON +B 63 DBB 2 62 DBB 1 2 1 0 DBB S810 40 XTAL 41 EXTAL 16 CL SDIO 20 CL SCK 1 CL CS 6 7 5 3 2 REAL TIME CLOCK IC804 12MHz X801 32kHz X802 65 PACK IN MEDIA S701 10 PROTECT PROTECT S702 83 REFLCT REFLECT S703 64 INT SW INTIAL S704 9 INLS INLIMIT S705 15 CLOCK CLOCK SET S809 14 OPEN OPEN 1 S817 OPEN 2 S823 25 AVLS 12 HOLD AVLS S811 HOLD S818 S823 RVCC IC505 16 CONV. . D803 : PB : REC Signal path. : REC (DIGITAL IN) : PB (DIGITAL OUT) R-channel is omitted. : MICConfidential 6 7 8 1-2. Block Diagram (MZS-R5ST) R L LINE IN ANALOG J303 R-CH 1 VCC 3 V OUT 2 GND OPTICAL DIGITAL IN1 IC308 1 VCC 3 V OUT 2 GND OPTICAL DIGITAL IN2 IC309 SWD 5V 13 14 5 1 OPT1/2 CONV. IC311 A/B REC RV301 LEVEL CONV. 5V IC313(1/2) IC315 IC101 A/D DIF BUFFER 3V 23 1 17 15 13 12 10 9 4 D IN D OUT DA DATA LRCK XBCK 256FS XSTATION CN951 TO MAIN SECTION 2 18 3 17 4 16 5 15 6 14 11 9 LEVEL CONV. 3V IC307 5V 19 G A IN L 6 A IN L + 5 SDT IN 13 LRCK 11 SCLK 12 MCLK 15 9 DIF0 10 DIF1 16 DEMO0 23 PW DA 24 PW AD Q919 (1/2) Q919 (2/2) Q918 (1/2) Q918 (2/2) Q920 26 A OUT L 14 SDT OUT A/D,D/A CONV. IC301 2 3 REG IC314 SWD 5V 6 14 5 4 AD DATA A OUT L A MUTE SDI0 SDO0 SCK0 SCS0 A OUT R UNREG 5V LI + IC313 (2/2) 11 22 20 14 3 1 5 7 6,8 2 IC131 6 7 5 2 1 IC130 IC330 DIF AMP D301 7 LINE AMP IC302 Q301 MUTE CONYROL Q303,304 RV302 Q104 HP AMP IC305 Q102 Q101 9 H0 W0 7 D 12 CLK 13 CS 3 14 VCC 6 5 4 2 IC304 EVR REG IC306 SP AMP IC317 Q103 2 1 REG 5V Q316 MUTE CONYROL Q302 SCK CS DATA L0 AV 5V R-CH R-CH ACTIVE SPEAKER V IN 1 GND 3 VCC 2 J301 IC310 SWD 5V OPTICAL DIGITAL OUT J302 30 RST 31 EXTAL DC IN 9V J901 LF902 THP901 AU 5V REG Q910 2 1 3 IC910 AC DET Q921 5V REG Q907,908 2 4 8 IC910 1 POWER CONTROL POWER CONTROL Q905,906 3 2 1 REG IC906 BACK-UP UNREG 5V D902 D903 D909 4 IC905 1 POWER CONTROL 2 Q909 T901 Q911 AV -5V AV +5V D906 LI + + 4 Q902 (1/2) 5 Q902 (2/2) 1 8 2 3 6 7 CHARGE CONTROL IC901 LI + SWD 5V SWITCHING Q901,903 4 5 LI CHARGE IC902 6 5 MICON +B /RESET IC908 8 3 MICON +B D910 Q924 RESET S954 2 3 IR RECEIVER IC909 1 D904 CHARGE LED DRIVER Q904 LI ON S951 47 SCS0 48 SCK0 49 SDI0 50 SDO0 10 OPE EN 11 OPT 46 BUF EN 78 DIF0 79 DIF1 1 DE EMP 80 XPDDA 60 XPAAD 66 ESC 71 P MUTE 65 ESCK 67 EDATA 22 AC IN 69 LI ON 70 STLI ON 43 LI + MNT 68 LI CHG 6 CHARGE LED 56 RMC SC SCK DATA 44 AC 23 XLI ON 7 P CONT 14 21 B/L CONTROL Q912,916 IC907 SYSTEM CONTROL LCD +B SWITCH Q915 EL DRIVE Q917 9 BL ON EL901 DB0 DB7 12 LCD STB 13 LCD SCK LCD MODULE MICON +B 8 LCD ON MOTOR CONTROL Q913 OPT1 OPT2 ANALOG OFF PLAY REC MICON +B SYNC REC S614 76 SYNC REC 54 TIMER 1 75 LINE OPT2 74 LINE OPT1 55 TIMER 2 26 PLAY KEY TIMER INPUT S614 S613 S612 27 REC KEY 29 POWER KEY 63 PANEL DOWN REC S611 PLAY S610 POWER S609 S630 PUSH OPEN FUNCTION KEY S601-608 S615-629 38 42 KEY0 KEY4 28 CLOCK KEY CLOCK SET S952 24 XRELEASE 25 XCLOCK 61 XINIT RELEASE S953 XLOCK S655 XINT S656 MOTOR DRIVE Q914 2 MOTOR CONT 3 M STOP M SWD 5V ARM UP/DOWN 32 XTAL X901 10MHz 16 HEADPHONES J304 LINE OUT L REG 5V NiCd : PB : REC Signal path. : REC (DIGITAL IN) : PB (DIGITAL OUT) R-channel is omitted. BATTERYConfidential 9 MZ-R5ST is the new Sony portable MiniDisc Recorder of the fourth generation using the wide bit stream technology that is the first in the world as a portable MiniDisc Recorder. MZ-R5ST has the following functions and features. Compact and slim recording/playback unit : The MiniDisc Recorder is made small and compact as it has the limited functions of playback and recording (microphone recording only), and the editing function is handled by the station. Thus the size as thin as 20.1 mm and as light as 185 g (almost equal to the conventional potable MD player) is realized. Built-in Sampling Rate Converter : MZ-R5ST has the built-in sampling rate converter that enables recording from digital equipment using other sampling rates as DAT deck or a satellite tuner. (Sampling frequencies: 32 kHz, 44.1 kHz and 48 kHz are supported) Wide Bit Stream Technology : The input circuit, the output circuit and their peripheral circuits operate on the 20-bit audio data so that the maximum performance of the A TRAC IC which operates on 20-bit and higher can be fully utilized. Synchronous Recording Function : When dubbing digital signal from a source digital equipment such as CD player to MZ- R5ST using optical digital cable, operation is simple without the need to operate both the source side equipment and this unit. Time Machine Recording Function : Time Machine recording always stores the input sound into the DRAM IC in MZ-R5ST so that the sound that is two seconds ahead of pressing the record button can be recorded. This functions convenient not to miss recording of the very beginning of the program when recording off-the-air program of satellite broadcast or FM broadcast. Built-in Rehearsal Function : Editing points can be checked in units of 0.06 seconds in the range of 256 steps (total 8 seconds) from 128 step to +127 step centering around the editing point. This function is convenient in the editing such as Divide editing. Built-in UNDO Function : UNDO function lets operator undo an editing operation when operator makes an operational error., Output Jack For Active Speakers : The STEREO-MINI output terminal for active speakers is equipped. Sound volume of the active speakers can be controlled by key operation of station or key operation of remote controller. 2. FUNCTIONS AND FEATURESConfidential 10 Differences of functions between the 4th generation MiniDisc recorder (MZ-R30) and MZ-R5ST are shown below. Table 2-1 Comparison of functions between the 4th generation MiniDisc recorder (MZ-R30) and MZ-R5ST Funct