Instruction/ maintenance manual of the product MZ-R37 Sony
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– 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 Mec.
– 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.
– 3 – 1. GENERAL Looking at the controls ...................................................... 4 2. SELF-DIA GNOSTIC 2-1. General ............................................................................... 5 2-2. 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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 .
– 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.
– 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).
– 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.
– 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.
– 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.
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 .
– 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.
– 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-1.
– 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.
– 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.
– 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.
– 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) CD.
– 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 .
– 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 D.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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 D9.
– 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.
– 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.
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.
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 ).
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 R92.
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 C5.
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 R92.
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 C5.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
An important point after buying a device Sony MZ-R37 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sony MZ-R37 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sony MZ-R37 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sony MZ-R37 you will learn all the available features of the product, as well as information on its operation. The information that you get Sony MZ-R37 will certainly help you make a decision on the purchase.
If you already are a holder of Sony MZ-R37, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sony MZ-R37.
However, one of the most important roles played by the user manual is to help in solving problems with Sony MZ-R37. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sony MZ-R37 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
