Sony MZ-R37 manual

– 1 – MICROFILM MZ-R37 SERVICE MANUAL POR T ABLE MINIDISC RECORDER SPECIFICA TIONS US Model Canadian Model AEP Model UK Model E Model A ustralian Model T our ist Model Model Name Using Similar Mechanism MZ-R55 MiniDisc Mechanism Type MT -MZR37-161 Optical Pick-up T ype KMS-280A US and foreign patents licensed from Dolby Laboratories Licensing C[...]

– 2 – Batter y operation time 1) Batteries Recording 2) Playback T wo NC-AA Approx. Approx. nickel-cadmium 3 hours 5 hours rechargeable batteries T wo LR6 (size AA) –––– 3) Approx. Sony alkaline dry batteries 13 hours 1) The battery life may be shorter due to operating conditions and the temperature of the location. 2) When you record, [...]

– 3 – 1. GENERAL Looking at the controls ...................................................... 4 2. SELF-DIA GNOSTIC 2-1. General ............................................................................... 5 2-2. T est Mode Setting .............................................................. 5 2-3. Operation in T est Mode Setting .......[...]

– 4 – SECTION 1 GENERAL This section is extracted from instruction manual.[...]

– 5 – SECTION 2 SELF-DIA GNOSTIC 2-1. GENERAL This set uses the self-diagnostic system in which if an error occurs in playback/recording mode, the error is detected by the model control and power control blocks of the microprocessor and inf or- mation on the cause is stored as history in EEPR OM. By viewing this history in test mode, it helps y[...]

– 6 – • Description of History Codes History code number Description 1st 0 The first error 1st 1 1st 2 00 indicated N 0 The last error N1 N2 00 indicated N-1 0 One error before the last. N-1 1 N-1 2 00 indicated N-2 0 T wo errors before the last. N-2 1 N-2 2 00 indicated R T otal recording time *1) *1) T otal recording time T otal recording t[...]

– 7 – Note : This set can be disassemble according to the f ollowing sequence. SECTION 3 DISASSEMBL Y 3-1. P ANEL, BOTT OM 3-2. P ANEL (SV) ASSY , FR ONT Note : F ollo w the disassembly procedure in the numerical order giv en. Set Panel, Bottom Panel (SV) Assy, Front Panel (SV) Assy, Upper LCD Module Connector Main Board Cabinet (SV) Ass y OP B[...]

– 8 – 3-3. LCD MODULE 3-4. CONNECT OR 5 LCD module 1 CN801 2 4 3 1 CN601 2 CN702 3 CN701[...]

– 9 – 3-5. MAIN BO ARD 3-6. P ANEL (SV) ASSY , UPPER 1 1.7x4.5, tapping claws 2 1.7x4.5, tapping 3 4 MAIN board 4 claw 3 bearing (stopper ) 1 M1.4, precision 8 panel (SV) assy, upper 6 boss 5 claw 2 7[...]

– 10 – 3-7. CABINET (SV) ASSY 3-8. OP BLOCK ASSY 1 MD, step 2 MD, step 4 cabinet (SV) ass y 3 mechanism block assy 1 M1.4x3.0 locking 3 shaft, mai n 4 flexible board adhesive sheet OP block assy 2 M1.4x3.0[...]

– 11 – 3-9. HOLDER ASSY • Location of the Flexible Board • Be careful to avoid contact of the lens with the chassis when installing the OP block assy. Align this portion of the flexible board with the marked line on the holder. marked line 1 claw 4 holder assy 2 3 • Notes for Installation of the OP Bloc k Assy[...]

– 12 – SECTION 4 TEST MODE 4-1. GENERAL This set provides the Ov er all adjustment mode (Assy mode) that allo ws CD and MO disk to be automa tically adjusted when in the test mode. In this Assy mode, the system discriminates between CD and MO disk and then automatically perform adjustments for them in sequence. If a fault is found, the system d[...]

– 13 – (2) A udio Mode • How to T ransfer in the A udio Mode Mode No. T est Description Write Change Description 100 Audio mode 110 Audio playback 111 L/R=1 kHz 0 dB Playback VOL HP output 112 L=1 kHz 0 dB Playback VOL HP output 113 R=1 kHz 0 dB Playback VOL HP output 114 L/R – ∞ dB Playback V OL HP output 115 L/R=1 kHz 0 dB & EVR max[...]

– 14 – 3. Press the k eys below to change the mode number . ( : Increases the one place. p : Sets the one place to 0. This key br ings the ten place to 0 if the one place is 0. V OLUME + : Increases the ten place by 10 if the one place is 0. Increases the adjustment v alue if the one place is non-zero. V OLUME – : Decreases the ten place by 1[...]

– 15 – 1. Go into the test mode. 2. Press + key or VOLUME + and VOLUME + and V OL- UME + and V OLUME + in this turn to set the power mode. 3. Press the keys belo w to change the mode No. ( : Increases the one place. p : Sets the one place to 0. This ke y brings the ten place to 0 if the one place is 0. V OLUME + : Increases the ten place by 10 [...]

– 16 – * For the mode numbers of 039 and 057, if the focus bias value is NG, the following displa y is re peated: While P key is being depr essed * For the mode numbers of 039 and 061, if the At error rate is NG, the following display is repeated: 7. If NG, set the servo mode. Perform automatic adjustment for the items not accepted (see the ser[...]

– 17 – SECTION 5 ELECTRICAL ADJUSTMENTS PRECA UTIONS FOR ADJUSTMENT 1) Perform all adjustments in the order given in the test mode. After adjusting, exit the test mode. 2) Use the following tools and measuring instruments. • T est CD TDYS-1 (Part No. : 4-963-646-01) • SONY MO disc available on the market • Laser power meter LPM-8001 (Part[...]

– 18 – LO W REFLECTION CD TRA VERSE ADJUSTMENT Connection : Adjustment Method : 1. Set the serv o mode of the test mode (Mode : 000). 2. Press the ( ke y , and set the low reflection CD test adjustment mode (Mode : 040) using the V OLUME + or – key . 3. Insert an y MO disk available on the mark et. 4. When the ( ke y is pressed, the low refle[...]

– 19 – CD RF LEVEL CHECK Connection : Adjustment Method : 1. Set the servo mode of the test mode (Mode : 000). 2. Press the ( key , and set the CD test adjustment mode (Mode : 050) using the V OLUME + or – key . 3. Press the = or + key and mo ve the optical pick-up to the center circumference. 4. Insert a test CD (TD YS-1). 5. When the ( key [...]

– 20 – Pin No . Pin name I/O Pin Description 1 MNT 0 O Tra verse count signal output. 2 MNT 1 O Trac k jump detect output. 3 MNT 2 — Not used (Open). 4 MNT 3 O Focus OK signal output. 5 SWDT I Inputs write data signal from system control (IC801). 6 SCLK I Inputs serial clock signal from system control (IC801). 7 XLA T I Inputs serial latch si[...]

– 21 – Pin No . Pin name I/O Pin Descr iption 56 A VSS — Ground terminal. 57 PDO — Not used (Open). 58 PCO O Decoder PLL master clock PLL phase comparison output. 59 FILI I Decoder PLL master clock PLL filter input. 60 FILO O Decoder PLL master clock PLL filter output. 61 CL TV I Decoder PLL master clock PLL VCO control voltage input. 62 PE[...]

– 22 – Pin No . Pin name I/O Pin Description 1 CLKCS O Not used (Chip select output to real time clock). 2 XRST O Reset output. L : Reset 3 WRPWR O Laser po wer switching signal output. 4 TX O Write data transfer timing output. 5 SDI2 I Serial data input. 6 SDO2 O Serial data output. 7 SCK2 O Serial clock output. 8 RFSW O Power control output. [...]

– 23 – – 24 – Pin No . Pin name I/O Pin Descr iption 50 A V SS — Ground terminal for A/D con verter . 51 A VREF I A/D con verter reference voltage input. 52 A V DD — A/D converter power supply terminal. 53 VLG2-MNT I DSP power monitor signal. 54 TEMP I T emp meter (IC802) input. 55 KEY3 I Key input. 56 KEY2 I K ey input. 57 KEY1 I Key i[...]

MZ-R37 – 25 – – 26 – 6-2. BLOCK DIA GRAM — SER V O SECTION — OVER WRITE HEAD DRIVE Q741,742 OVER WRITE HEAD 63 64 9 8 62 EFM LOGIC MODE1 MODE2 HA HB EFM REC DRIVE IC901 (1/2) RF AMP IC501 EFM/ ACIRC ENCODER/ DECODER SHOCK PROOF MEMORY CONTROL 3 4 17 16 5 | 9 • 11 | 15 1 • 2 • 18 • 19 XWE XRAS XCAS XOE DQ1-DQ4 SDTI LRCK BCK MCLK [...]

– 27 – – 28 – – 29 – MZ-R37 – 30 – 6-3. BLOCK DIA GRAM — A UDIO SECTION — AUDIO I/F CONTROL ADC DAC RCH RCH CDTI CDTO CCLK KCS PD 4 2 3 5 1 46 15 14 13 12 47 29 25 26 44 A/D, D/A CONVERTER IC301 41 7 5 8 MIC AMP IC302 2 REG IC304 17 16 21 23 LINE/HP AMP IC303 9 4 6 3 5 MIC2.5V 2.8V R-CH R-CH R-CH MUTE VCOM 81 93 94 66 67 68 24 1[...]

– 31 – – 32 – – 33 – – 34 – 6-5. PRINTED WIRING BO ARD MZ-R37 Ref. No. Location D401 E-4 D402 H-4 D403 G-3 D404 H-25 D406 C-3 D407 D-26 D408 F-26 D741 B-20 D742 C-20 D801 G-22 D901 H-17 D902 H-16 D903 H-19 D904 G-17 D905 H-19 D906 G-11 D907 H-16 IC301 D-24 IC302 C-25 IC303 F-24 IC304 A-23 IC501 E-19 IC601 E-21 IC602 F-23 IC701 C-19 [...]

– 35 – – 36 – – 37 – MZ-R37 6-6. SCHEMA TIC DIA GRAM — MAIN SECTION (1/3) — • Refer to page 44 f or IC Block Diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except f or electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise spec[...]

– 38 – – 39 – – 40 – MZ-R37 6-7. SCHEMA TIC DIA GRAM — MAIN SECTION (2/3) — • Refer to page 44 for IC Bloc k Diagrams. 5 IC801 $º 2.2Vp-p • W avef orm 12kHz VOL T/DIV : 1V A C TIME/DIV : 20nsec Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except f or electrolytics and tan[...]

– 41 – – 42 – – 43 – MZ-R37 6-8. SCHEMA TIC DIA GRAM — MAIN SECTION (3/3) — • Refer to page 44 f or IC Block Diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise speci[...]

– 44 – – 45 – – 46 – • IC Block Dia grams IC301 AK4517-VQ-L IC304 RN5RZ25AA-TR IC303 AN7535SA-E1 CLOCK DIVIDER CONTROL REGISTER I/F AUDIO I/F CONTROLLER HPF IPGAL MCLK CMODE CCLK(SSI) CDTI(SSO) CDTO DGND VD VB VA AGND VCOM DZF OPGAR ROUT1 PD RST SSB LIN1 RIN1 TST1 LIN2 RIN2 TST2 LIN3 RIN3 LRCK BCLK SDTO SDTI DIFO DIFI TST3 DCODE0 DCOD[...]

– 47 – PREDRIVE TSD STAND-BY UP-DOWN DISTRIBUTION DRIVING SIGNAL COMPOSITION LOGIC TIMING SELECTOR VOUT WOUT N.C VM UOUT RF UIN VIN WIN COM CST CSL1 CSL2 GND VCC RIB FG BRK+ BRK- STBY 19 20 18 17 15 16 14 13 11 START CONTROL LOGIC PHASE CONTROL SLOBE WAVE COMPOSITION EX-OR 12 1 2 3 4 5 6 7 8 9 10 CS SK DI DO VCC RDY/BUSY RESET GND INSTRUCTION R[...]

– 48 – OSC REGULATOR SETUP DC/DC REF SELECT SUB REFERENCE DRIVE CONTROL VLG2 PRE-DRIVER VR2 GENERATOR VLG1 PRE-DRIVER POWER SW PRE-DRIVER BANDGAP REFERENCE LOW VC DETECT SAW TOOTH 5 4 3 2 1 DCIN DCIN CHARGE PUMP EFM SYSTEM CONTROL 11 10 9 8 7 6 12 15 13 14 16 17 18 68 69 70 71 72 67 66 65 64 63 62 61 60 59 58 56 57 55 21 20 19 22 23 32 33 31 30[...]

– 49 – SECTION 7 EXPLODED VIEWS NO TE: • The mechanical parts with no reference number in the exploded vie ws are not supplied. • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • -XX and -X mean standardized parts, so they may hav e some [...]

– 50 – 7-2. CABINET (SV) ASSY SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 X-4951-496-1 CABINET (S) ASSY (SIL VER) 51 X-4951-497-1 CABINET (L) ASSY (BLUE) (EXCEPT US,CND) 52 4-963-883-41 SCREW (M1.4), PRECISION P AN 53 X-4950-927-1 PLA TE ASSY , FULCRUM 54 4-216-593-01 SPRING (LOCK), TENSION 55 4-216-584-[...]

– 51 – 7-3. MECHANISM DECK SECTION (MT -MZR37-161) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 101 X-4950-391-1 HOLDER ASSY 102 3-704-197-31 SCREW (M1.4X3.0), LOCKING 103 4-212-312-01 SHAFT , MAIN 104 X-4950-390-1 CHASSIS ASSY 105 4-995-585-11 SPRING (LIMITER), TORSION 106 1-418-079-11 PR UNIT 107 4-963-883-41 SCRE[...]

– 52 – SECTION 8 ELECTRICAL P ARTS LIST NO TE: • Due to standardization, replacements in the parts list may be dif f erent from the parts specified in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may ha ve some difference from the original one. • RESISTORS All resistors are in ohms. MET AL:[...]

– 53 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN C511 1-115-467-11 CERAMIC CHIP 0.22uF 10% 10V C512 1-162-968-11 CERAMIC CHIP 0.0047uF 10% 50V C513 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V C514 1-162-965-11 CERAMIC CHIP 0.0015uF 10% 50V C515 1-125-837-11 CERAMIC CHIP 1uF 10% 6.3V C516 1-162-970-11 CERAMIC CH[...]

– 54 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN D801 8-719-045-67 DIODE RB731U-T108 D901 8-719-066-16 DIODE RB491D-T146 D902 8-719-047-73 DIODE HRU0302A-TR D903 8-719-047-73 DIODE HRU0302A-TR D904 8-719-066-16 DIODE RB491D-T146 D905 8-719-047-73 DIODE HRU0302A-TR D906 8-719-047-73 DIODE HRU0302A-TR D907 8-7[...]

– 55 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN MAIN R202 1-218-875-11 RES,CHIP 15K 0.50% 1/16W (EXCEPT FR) R203 1-218-855-11 RES,CHIP 2.2K 0.50% 1/16W R205 1-218-863-11 RES,CHIP 4.7K 0.50% 1/16W R206 1-218-871-11 RES,CHIP 10K 0.50% 1/16W R207 1-218-871-11 RES,CHIP 10K 0.50% 1/16W R208 1-218-446-11 MET AL C[...]

– 56 – Sony Corporation Per sonal A&V Products Company 9-926-952-12 99D047026-1 Printed in Singapore C 1999. 4 Published b y Quality Engineering Dept. (Shinagawa) MZ-R37 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN R816 1-216-864-11 MET AL CHIP 0 5% 1/16W R818 1-216-851-11 MET AL CHIP 330K 5% 1/16W R819 1-2[...]

SUPPLEMENT -1 File this supplement with the service manual. MZ-R37 US Model Canadian Model AEP Model UK Model E Model A ustralian Model T ourist Model SERVICE MANUAL Subject : K orean model Addition Part No. Description Remark • A CCESSORIES & P A CKING MA TERIALS K orean model is added to the MZ-R37. This supplement-1 describes only differen[...]

MZ-R37 SERVICE MANUAL SUPPLEMENT -2 File this supplement with the service manual. Subject : 1. Change of Main Board 2. Corrections of Exploded Views and Electrical Parts List This supplement-2 for service manual contains the new type of main board. For other information, see the released service manual (9-926-952- S ). When performing service and i[...]

1 A B C D E F G H 23456789 1 0 1 1 1 2 1 3 1 4 J301 MAIN BOARD (SIDE A) C427 R829 C812 R819 R818 R307 R304 R302 R405 C805 C220 R119 R208 C120 R610 C208 R222 R926 R927 R803 R804 R910 C919 R905 R422 R920 R423 C973 R507 R505 R504 R508 R506 R618 R502 R501 R571 R702 R572 R573 R574 R424 R509 R902 R904 R806 C822 R418 R415 R820 C412 C411 C409 FB401 FB402 R[...]

1 A B C D E F G H I J 2 3 4 5 6 7 8 9 10 11 12 13 14 IC701  C701 L701 15 1 8 15 10 36 30 25 19 MD MECHANISM BLOCK OVER WRITE HEAD L705 L706 C707 C743 C706 L702 C571 C703 L703 L704 C704 C709 C507 C511 Q571 -1 AP574 AP538 CN702 OP SERVICE ASSY 1 5 1 5 16 10 Q741 R960 R957 R851 R959 R824 R956 C954 C803 C962 R961 R962 C770 C762 C764 D741 41 58 60 65[...]

1 A B C D E F G H 23456789 1 0 1 1 1 2 1 3 1 4 J301 MAIN BOARD (SIDE A) C427 R829 C812 R819 R818 R307 R304 R302 R405 C805 C220 R119 R208 C120 R610 C208 R222 R926 R927 R803 R804 R910 C919 R905 R422 R920 R423 C973 R507 R505 R504 R508 R506 R618 R502 R501 R571 R702 R572 R573 R574 R424 R509 R902 R904 R806 C822 R418 R415 R820 C412 C411 C409 FB401 FB402 R[...]

1 A B C D E F G H I J 2 3 4 5 6 7 8 9 10 11 12 13 14 IC701  C701 L701 15 1 8 15 10 36 30 25 19 MD MECHANISM BLOCK OVER WRITE HEAD L705 L706 C707 C743 C706 L702 C571 C703 L703 L704 C704 C709 C507 C511 Q571 -1 AP574 AP538 CN702 OP SERVICE ASSY 1 5 1 5 16 10 Q741 R960 R957 R851 R959 R824 R956 C954 C803 C962 R961 R962 C770 C762 C764 D741 41 58 60 65[...]

– 12 – – 13 – – 14 – MZ-R37 3. SCHEMA TIC DIA GRAM — MAIN SECTION (1/3) — • Refer to page 15 for W aveforms. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise specified. • [...]

– 15 – – 16 – – 17 – MZ-R37 4. SCHEMA TIC DIA GRAM — MAIN SECTION (2/3) — Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise specified. • % : indicates tolerance. • f : inte[...]

– 18 – – 19 – – 20 – MZ-R37 5. SCHEMA TIC DIA GRAM — MAIN SECTION (3/3) — Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise specified. • % : indicates tolerance. • C : pane[...]

– 21 – 6. ELECTRICAL P ARTS LIST NOTE: • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may have some difference from the original one. • RESISTORS All resistors are in ohms. MET AL:Metal-film [...]

– 22 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN C504 1-162-966-11 CERAMIC CHIP 0.0022uF 10% 50V C505 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V C506 1-107-826-11 CERAMIC CHIP 0.1uF 10% 16V C507 1-162-969-11 CERAMIC CHIP 0.0068uF 10% 25V C508 1-107-826-11 CERAMIC CHIP 0.1uF 10% 16V C511 1-115-467-11 CERAMIC CH[...]

– 23 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN D403 8-719-068-83 DIODE MAZL068D0LS0-TX/L D404 8-719-017-58 DIODE MA8068 D406 8-719-017-58 DIODE MA8068 D407 8-719-017-58 DIODE MA8068 D408 8-719-017-58 DIODE MA8068 D409 8-719-017-58 DIODE MA8068 D701 8-719-019-86 DIODE MA8140-M-TX D741 8-719-072-77 DIODE MA3[...]

– 24 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN R112 1-218-887-11 MET AL CHIP 47K 0.5% 1/16W R113 1-216-864-11 MET AL CHIP 0 5% 1/16W R115 1-218-847-11 MET AL CHIP 1K 0.5% 1/16W R116 1-218-831-11 MET AL CHIP 220 0.5% 1/16W R117 1-218-883-11 MET AL CHIP 33K 0.5% 1/16W R118 1-218-867-11 MET AL CHIP 6.8K 0.5% [...]

– 25 – R767 1-218-871-11 MET AL CHIP 10K 0.5% 1/16W R768 1-216-829-11 MET AL CHIP 4.7K 5% 1/16W R801 1-216-857-11 MET AL CHIP 1M 5% 1/16W R803 1-216-857-11 MET AL CHIP 1M 5% 1/16W R804 1-216-857-11 MET AL CHIP 1M 5% 1/16W R805 1-216-845-11 MET AL CHIP 100K 5% 1/16W R806 1-216-833-11 RES-CHIP 10K 5% 1/16W R807 1-218-911-11 MET AL CHIP 470K 0.5% [...]

– 26 – Sony Corporation Per sonal Audio Division Compan y 9-926-952-82 99K0486-1 Printed in Japan ©1999. 1 1 Published by General Engineering Dept. MZ-R37 X-4951-517-1 HEAD ASSY , OP Part No. Description Remark 7. Corrections • EXPLODED VIEWS 7-3. MECHANISM DECK SECTION Page INCORRECT CORRECT 51 Ref. No. Part No. Description Remark 0 122 A-3[...]