Benutzeranleitung / Produktwartung MZ-B100 des Produzenten Sony
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POR T ABLE MINIDISC RECORDER MZ-B100 SERVICE MANUAL T our ist Model V er 1.0 2001.10 9-873-341-01 2001J0200-1 © 2001.10 Sony Corporation Per sonal Audio Compan y Published by Son y Engineering Corpor.
2 MZ-B100 SAFETY-RELA TED COMPONENT W ARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DO TTED LINE WITH MARK 0 ON THE SCHEMA TIC DIA GRAMS AND IN THE P ARTS LIST ARE CRITICAL T O SAFE OPERA TION. REPLA CE THESE COMPONENTS WITH SONY P ARTS WHOSE P ART NUMBERS APPEAR AS SHO WN IN THIS MANU AL OR IN SUPPLEMENTS PUBLISHED BY SONY .
3 MZ-B100 NO TES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body .
4 MZ-B100 SECTION 2 GENERAL LOCA TION AND FUNCTION OF CONTROLS – Front of the recor der – – Bac k of the recorder – This section is extracted from instruction manual.
5 MZ-B100 1 Character information display Displays the disc and track names, date, error messages, track numbers, recording level, etc. 2 Group indication 3 Play mode indication 4 Disc indication Shows that the disc is rotating for recording, playing or editing an MD.
6 MZ-B100 SECTION 3 DISASSEMBL Y Note : Follow the disassembly procedure in the numerical order given. 3-1. P ANEL (LOWER) ASSY 3-2. MAIN BO ARD z The equipment can be removed using the following procedure.
7 MZ-B100 3-3. CABINET (BEL T) SECTION 3-4. KEY BO ARD UNIT 1 Screws (ES lock ) 2 Open 1 Screws (ES lock) Panel (upper lid) ASSY 3 Cabinet (belt) section 6 Remove solder (4 places) 8 Remove solder (2 places) 7 Remove solde r (2 places) 9 Claws 5 Screws 3 Screws (B2.
8 MZ-B100 3-5. MECHANISM DECK 4 Screws (ES lock) 3 Screws (ES lock) 5 Screw (ES lock) 1 Screws (ES lock) Mechanism deck (MT-MZB100-171) 9 8 Screws (ES lock) 2 6 7 Screws (ES lock) Cabinet (front) Set .
9 MZ-B100 3-6. OPTICAL PICK-UP BLOCK (LCX-4R) 4 spring, rack 3 screw (M1.4) 1 washer (0.8-2.5) 2 gear (SA) 5 screw (M1.4) 6 spring, thrust detent 8 Pull off “screw, lead” 7 over write head section.
10 MZ-B100 2 Push the convex portion toward the direction B and open the holder assy toward the direction A to erect uprightly. 3 Remove the concave portion in the direction of arrow C . 5 Remove the holder assy in the direction of arrow D . D C B A 1 Open the holder assy.
11 MZ-B100 5 motor, DC (spindle) (M601) 4 three screws (M1.4) 1 Remove six solders of motor flexible board. qa motor, DC (over write head up/down) (M603) 6 two screws (M1.4) qs chassis assy, gear 9 screw (M1.2) 0 gear (HA) gear (HA) chassis assy, gear 2.
12 MZ-B100 2 In the normal mode, turn on the HOLD switch on the set. While pressing the N key on the set, press the following set keys in the following order: > t > t . t . t > t . t > t . t X t X [Operation in Setting the T est Mode] • When the test mode becomes active, first the display check mode is selected.
13 MZ-B100 [Configuration of T est Mode] [Manual Mode] Mode to adjust or check the operation of the set by function. Normally , the adjustment in this mode is not executed. • T ransition method in Manual Mode 1. Setting the test mode. (See page 12) 2.
14 MZ-B100 5. Set the mode No. to 01 1. The display changes a shown below each time the [DISPLAY] key is pressed. However in the power mode (mode number 700 ’ s), only the power adjustment value is displayed. 6. Quit the manual mode, and press x key to return to the test mode (display check mode).
15 MZ-B100 [Sound Skip Check Result Displa y Mode] This set can display and check the error count occurring during record and play . • Setting method of Sound Skip Check Result Displa y Mode 1.
16 MZ-B100 [Self-Diagnosis Displa y Mode] • This set uses the self-diagnosis system in which if an error oc- curs in recording/playback mode, the error is detected by the model control and power control blocks of the microprocessor and information on the cause is stored as history in EEPROM.
17 MZ-B100 • Description of Indication History History code number Description 1st0 The first error 1st1 T otal recording time when 1st0 was generated (Higher rank byte) 1st2 T otal recording time w.
18 MZ-B100 [Ke y Check Mode] This set can check if the set and remote commander function nor- mally . • Setting Method of Key Check Mode 1. Setting the test mode. (See page 12) 2. Press the [T MARK] activates the key check mode where all segments of LCD turn OFF .
19 MZ-B100 SECTION 5 ELECTRICAL ADJUSTMENTS [Outline] • In this set, automatic adjustment of CD and MO can be per- formed by entering the test mode. (See page 12) However , before starting automatic adjustment, the memory clear , power adjustment and temperature adjustment must be performed in the manual mode.
20 MZ-B100 • Adjustment method of VC PWM Duty (L) (mode number: 762) 1. Select the manual mode of the test mode, and set the mode number 762. (See page 13) 2. Connect a digital voltmeter to the AP913 (VC) on the MAIN board, and adjust [EASY SEARCH +] key (voltage up) or [EASY SEARCH - -] key (voltage down) so that the voltage becomes 2.
21 MZ-B100 • 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 13) 2. Connect a digital voltmeter to the AP913 (VC) on the MAIN board, and adjust [EASY SEARCH +] key (voltage up) or [EASY SEARCH - -] key (voltage down) so that the voltage becomes 2.
22 MZ-B100 [T emperature Correction] • Adjustment Method of temperature correction 1. Select the manual mode of test mode, and set the mode num- ber 014. (See page 13) 2. Measure the ambient temperature. 3. Adjust with [EASY SEARCH +] , [EASY SEARCH - -] key so that the adjusted value (hexadecimal value) becomes the am- bient temperature.
23 MZ-B100 14. When both CD and MO overall adjustments are OK, set the mode No. 043 (Resume) and clear the clock data. r Press the X key , historical data clear Note: In step 10, set the clock data to 99Y11M11D11H11M00S, and in step 14, do not set the clock.
24 MZ-B100 Pin No. Pin name I/O Description 1 TE O T racking error signal output to IC801 2 REXT — Connected to the external resistor for the ADIP amplifier control 3 WPPLPF — Connected to the external capacitor for low-pass filter of the TPP/WPP 4 VREF1 1 O Reference voltage output terminal (+1.
25 MZ-B100 Pin No. Pin name I/O Description 1 MICAMP CTL O MIC AMP ON/OFF control output 2 XHP DET I Headphones connection detect input 3 V UP O V olume control output 4 SP AMP O Speaker amplifier ON/OFF control output 5 XMONO MODE O MONO/STEREO control output 6 MCUVDD0 — Power supply terminal (for microcomputer block) (+1.
26 MZ-B100 Pin No. Pin name I/O Description 52 A VD2 — Power supply terminal (for the analog) (+2.4V) 53 A VS2 — Ground terminal (for the analog) 54 ADRB I A/D converter the lower limit voltage in.
27 MZ-B100 Pin No. Pin name I/O Description 101 SLCV I Sled motor drive comparison signal input (V) from the motor driver (IC701) 102 SLCW I Sled motor drive comparison signal input (W) from the motor driver (IC701) 103 DIFVDD1 — Power supply terminal (for DSP I/F) (+2.
28 MZ-B100 Pin No. Pin name I/O Description 171 PLCTL O PL control signal output 172 SET CODE0 I Input terminal for the set (fixed at “L” in this set) 173 SET CODE1 I Input terminal for the set (o.
29 29 MZ-B100 • Main board is f our-la yer printed board. How ever , the patterns of lay ers 2 and 3 hav e not been included in this diagrams . • Replacement of IC801 used in this set requires a special tool.
30 30 MZ-B100 6-2. BLOCK DIA GRAM – MAIN Section (1/3) – 33 29 28 41 42 1 44 21 31 26 25 43 24 23 4 8 9 10 11 12 14 5 6 13 7 18 19 JX JY JX IX IY IY IX JX JY A B C D MON IX A B CD OPTICAL PICK-UP .
31 31 MZ-B100 6-3. BLOCK DIA GRAM – MAIN Section (2/3) – VC B+ F301 F RMC KEY RVCC DTCK KEY -R RGND (LINE IN JACK) OPTICAL RECEIVER J301 LINE IN (OPT) J303 MIC (PLUG IN POWER) • R-CH is omitted .
32 32 MZ-B100 6-4. BLOCK DIA GRAM – MAIN Section (3/3) – 7 4 56 52 54 55 1 2 3 5 20 86 169 236 235 234 17 18 19 6 10 49 24 25 39 44 38 42 40 41 35 22 23 26 46 47 50 28 32 34 11 14 10 15 22 16 19 2.
33 33 MZ-B100 6-5. PRINTED WIRING BO ARD – MAIN Section (1/2) – z Refer to page 29 for Notes. D603 B-4 D604 H-5 D605 G-6 D901 D-4 D903 C-5 IC302 B-10 IC305 B-6 IC306 B-5 IC307 F-10 IC308 F-10 IC30.
34 34 MZ-B100 6-6. PRINTED WIRING BO ARD – MAIN Section (2/2) – z Ref er to page 29 for Notes. D101 B-2 D201 B-2 D301 B-5 D304 C-2 D601 B-8 D602 B-9 D606 E-7 D607 F-7 D801 F-4 D902 C-8 D904 C-8 IC.
35 35 MZ-B100 6-7. SCHEMA TIC DIA GRAM – MAIN Section (1/4) – z Refer to page 29 for Notes. z Refer to page 29 f or W avef orms. z Refer to pa g e 39 - 41 for IC Bloc k Diagrams.
36 36 MZ-B100 6-8. SCHEMA TIC DIA GRAM – MAIN Section (2/4) – z Refer to page 29 f or Notes. z Refer to page 29 for W aveforms. z Refer to pa ge 39 - 41 for IC Block Dia grams.
37 37 MZ-B100 6-9. SCHEMA TIC DIA GRAM – MAIN Section (3/4) – z Refer to pa g e 29 for Notes. z Refer to page 29 for W aveforms. z Refer to pa ge 39 - 41 for IC Block Diagrams.
38 38 MZ-B100 6-10. SCHEMA TIC DIA GRAM – MAIN Section (4/4) – z Refer to page 29 f or Notes. z Refer to page 29 f or W avef orms. z Refer to page 39 - 41 for IC Bloc k Diagrams.
39 MZ-B100 • IC Block Diagrams IC301 AK5354VT -E2 IC501 SN761057DBT 8 7 6 5 ADC CONTROL REGISTER I/F AUDIO I/F CONTROLLER HPF CLOCK DIVIDER VD VA AGND VCOM 1 2 3 4 LIN1 LIN2 RIN1 RIN2 16 PDN 15 CSN .
40 MZ-B100 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 54 55 56 1 53 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 24 23 25 26 27 28 VB BATM CHGSW RS INP2 INM2 RF2.
41 MZ-B100 IC701 SC111258FCR2 14 13 56 55 CPWI2 CPVI2 CPUI2 COM2 RI2 FI2 UI1 PWM1 CPUO1 CPWO1 VG VC 36 37 38 39 40 41 52 51 50 49 48 47 46 45 44 43 42 23 24 25 12 11 10 9 8 7 6 5 4 3 2 1 GND1 OE OE OE.
42 MZ-B100 SECTION 7 EXPLODED VIEWS NO TE : • -XX, -X mean standardized parts, so they may have some difference from the original one. • Items marked “ * ”are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.
43 MZ-B100 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 4-984-017-01 SCREW (1.7), T APPING 52 3-034-792-01 SCREW , T APPING (B2.
44 MZ-B100 7-3. CABINET (BEL T) SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 101 3-225-873-31 SCREW , ES LOCK (L:3) * 102 A-3021-591-A MAIN BOARD, COMPLETE 103 3-2.
45 MZ-B100 7-4. MECHANISM DECK SECTION (MT -MZB100-171) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 151 X-3379-498-1 HOLDER ASSY 152 3-224-779-01 SPRING, THRUST DETENT 153 3-225-996-01 SCREW (M1.
46 MZ-B100 SECTION 8 ELECTRICAL P ARTS LIST Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * A-3021-591-A MAIN BOARD, COMPLETE ********************* <CAP ACITOR> C101 1-125-837-11 CERAMIC CHIP 1uF 10% 6.3V C102 1-164-874-11 CERAMIC CHIP 100PF 5% 50V C103 1-125-837-11 CERAMIC CHIP 1uF 10% 6.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 47 MZ-B100 C242 1-164-874-11 CERAMIC CHIP 100PF 5% 50V C301 1-113-600-11 T ANT AL. CHIP 2.2uF 20% 6.3V C302 1-125-777-11 CERAMIC CHIP 0.1uF 10% 10V C303 1-125-777-11 CERAMIC CHIP 0.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 48 MZ-B100 C813 1-125-840-11 T ANT ALUM 10uF 20% 6.3V C814 1-125-837-11 CERAMIC CHIP 1uF 10% 6.3V C815 1-125-837-11 CERAMIC CHIP 1uF 10% 6.3V C816 1-164-943-11 CERAMIC CHIP 0.01uF 10% 16V C817 1-125-891-11 CERAMIC CHIP 0.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 49 MZ-B100 MAIN L802 1-469-535-21 INDUCTOR 10uH L901 1-469-367-21 INDUCTOR 10uH L902 1-414-398-11 INDUCTOR 10uH L903 1-419-952.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 50 MZ-B100 MAIN R222 1-218-977-11 RES-CHIP 100K 5% 1/16W R223 1-218-977-11 RES-CHIP 100K 5% 1/16W R224 1-208-715-11 MET AL CHI.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 MZ-B100 R829 1-218-959-11 RES-CHIP 3.3K 5% 1/16W R830 1-218-945-11 RES-CHIP 220 5% 1/16W R831 1-218-990-11 SHORT 0 R832 1-208-703-11 MET AL CHIP 6.
52 MZ-B100 REVISION HIST OR Y Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page.
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