Manual de instrucciones de Sony MT-MZR70-165

Manual de instrucciones del aparato Sony MT-MZR70-165

Aparato: Sony MT-MZR70-165
Categoría: Reproductor MiniDisc
Fabricante: Sony
Tamaño: 2.38 MB
Fecha de añadido: 10/26/2014
Número de páginas: 51
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1

MZ-R70
SERVICE MANUAL US Model
Canadian Model
Ver 1.3 2001. 01
AEP Model
With SUPPLEMENT-1
(9-927-631-81)
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
(Photo: Silver)
Model Name Using Similar Mechanism MZ-R90/R91
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
Mechanism Type MT-MZR70-165
Optical Pick-up Name LCX-2R
SPECIFICATIONS
System Frequency response Nickel cadmium rechargeable battery
Audio playing system 20 to 20,000 Hz ± 3 dB NC-WMAA (supp

Resumen del contenido incluido en la página 2

Dimensions Flexible Circuit Board Repairing Approx. 81 × 74 × 26.2 mm (w/h/d) • Keep the temperature of the soldering iron around 270°C 1 1 (3 /4 × 3 × 1 /16 in.) without projections. during repairing. Mass • Do not touch the soldering iron on the same conductor of the Approx. 115 g (4 oz) the recorder only Approx. 155 g (5.4 oz) incl. a recordable circuit board (within 3 times). MD, and NC-WMAA nickel cadmium • Be careful not to apply force on the conductor when soldering rechargeable battery o

Resumen del contenido incluido en la página 3

TABLE OF CONTENTS 1. SERVICING NOTE ......................................................... 4 5. ELECTRICAL ADJUSTMENTS .............................. 20 5-1. Outline ................................................................................. 20 5-2. Precautions for Adjustment ................................................. 20 2. GENERAL ......................................................................... 5 5-3. Adjustment Sequence .................................................

Resumen del contenido incluido en la página 4

SECTION 1 SERVICING NOTE • When repairing this device with the power on, if you remove NOTES ON HANDLING THE OPTICAL PICK-UP the MAIN board or open the upper panel assy, this device stops BLOCK OR BASE UNIT working. The laser diode in the optical pick-up block may suffer electro- In this case, you can work without the device stopping by fas- static break-down because of the potential difference generated tening the hook of the open/close detect switch (S801) with tape. by the charged ele

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

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– 6 –

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– 7 –

Resumen del contenido incluido en la página 8

SECTION 3 DISASSEMBLY Note : This set can be disassemble according to the following sequence. Set Block Assy, Bottom Panel Block Assy, Upper LCD Module Main Board MD Mechanism Deck Service Assy, OP Holder Assy Motor Flexible Board Motor, DC (M602) “Motor, DC (M601)”, “Motor, DC (M603)” Note : Follow the disassembly procedure in the numerical order given. 3-1. BLOCK ASSY, BOTTOM Note : When installing, fit the knobs (HOLD, SYNCHRO REC) and switches (S804, S807) S804 S807 knob (HOLD) knob (SYNCHRO

Resumen del contenido incluido en la página 9

3-3. LCD MODULE 1 screws (1.7) 3 LCD module 2 claws 3-4. MAIN BOARD 4 screw (1.4) 8 screw (1.7) 1 CN601 0 claws 6 screws (1.7) qs 7 stay 5 screw (1.4) qf MAIN board 9 claws 3 Remove the solder. qa boss 2 CN602 qd CN501 – 9 –

Resumen del contenido incluido en la página 10

3-5. MD MECHANISM DECK (MT-MZR70-165) 5 MD mechanism deck 3 boss (MT-MZR70-165) 4 boss chassis assy 2 screw (1.4) 1 screw (1.4) 3-6. SERVICE ASSY, OP 1 washer (0.8 - 2.5) 3 precision pan screw (M1.4) 2 gear (SA) 8 Pull off the lead screw. 4 rack spring 6 screw 5 screw 9 bearing 7 0 Opening the over write head toward the direction A, remove the OP Service assy toward the direction B. B Note: Do not open the entire assy forcibly, when opening the over write head. over write head sectio

Resumen del contenido incluido en la página 11

3-7. HOLDER ASSY 5 Remove the holder assy to direction of the arrow C. B 1 Open the holder assy. 2 Push the convex portion toward the direction B and A open the holder assy toward the direction A to erect uprightly. 3 C 4 boss 3-8. MOTOR FLEXIBLE BOARD 1 Remove four solders of DC motor (sled) (M602). 2 Remove two solders of DC motor (over write head up/down) (M603). 3 Remove four solders of 4 adhesive sheet DC motor (spindle) (M601). Note: Align a circular hole in the stripping paper with

Resumen del contenido incluido en la página 12

3-9. MOTOR, DC (M602) 1 Remove four solders of motor flexible board. 2 washer (0.8 - 2.5) 4 two precision pan screws (M1.4) 3 gear (SA) 5 DC motor (sled) (M602) 3-10. “MOTOR, DC (M601)”, “MOTOR, DC (M603)” 1 Remove six solders of motor flexible board. Note: Press-fit the gear (HA) up to the qs DC motor (over write head up/down) position of the DC motor (over write (M603) head up/down) (M603) as shown below. gear (HA) 6 two precision pan screws (M1.4) 2.65 mm 4 three precision pan screws gea

Resumen del contenido incluido en la página 13

SECTION 4 TEST MODE 2 In the normal mode, turn on the HOLD switch on the set. While 4-1. OUTLINE pressing the x key on the set, press the following remote • This set provides the Overall adjustment mode (Assy mode) that control keys in the following order: allows CD and MO disc to be automatically adjusted when in the test mode. In this overall adjustment mode, the protect switch > t > t . t . t > t . t is detected to judge the disc, CD or MO, and each adjustment is > t . t X t X automatically

Resumen del contenido incluido en la página 14

4-2-4. Configuration of Test Mode [VOL +] key:100th place of mode number increase. [Major item switching] [Test Mode $Display Check Mode%] [VOL --] key:100th place of mode number 1) 3) Press the > * or [VOL +] * key decrease. N key x key [Manual Mode] 3) Press the x * key [VOL +] key:10th place of mode number [Servo Mode] increase. [Medium item switching] [Audio Mode] [VOL --] key:10th place of mode number [Power Mode] decrease. [OP Alignment Mode] N key x key 3) 3) Press the .

Resumen del contenido incluido en la página 15

5. The display changes a shown below each time the jog key on 4-4. OVERALL ADJUSTMENT MODE the set is turned up or [DISPLAY] key on the remote com- Mode to adjust the servo automatically in all items. mander is pressed. Normally, automatic adjustment is executed in this mode at the repair. Adjust the CD first, when performing adjustment. • Configuration of overall adjustment • Address & Adjusted Value Display > key . key Title LCD display display 011 C68S01 N key adjusted value protect swit

Resumen del contenido incluido en la página 16

4. When [REC] key on the set is pressed, the total of error count 4-5. SOUND SKIP CHECK RESULT DISPLAY MODE is displayed on the LCD, and each time the > key is pressed, This set can display and check the error count occurring during the error count descents one by one as shown below. Also, record and play. when . key is pressed, the error count ascends by one. If N key is pressed, the error count during play is displayed. • Setting method of Sound Skip Check Result Display Mode 1. Setting the te

Resumen del contenido incluido en la página 17

4-6. SELF-DIAGNOSIS DISPLAY 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. By viewing this history in test mode, it helps you to analyze a fault and determine its location. Total recording time has been recorded as optical pick-up using time, and it is compared with the total recording time

Resumen del contenido incluido en la página 18

• Description of Indication History History code number Description 1st0 The first error 1st1 Total recording time when 1st0 was generated (Higher rank byte) 1st2 Total recording time when 1st0 was generated (Lower rank byte) N 0 The last error N 1 Total recording time when N 0 was generated (Higher rank byte) N 2 Total recording time when N 0 was generated (Lower rank byte) N-10 One error before the last. N-11 Total recording time when N-10 was generated (Higher rank byte) N-12 Total recording

Resumen del contenido incluido en la página 19

4-7. KEY 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 13) [T MARK] or [DISPLAY] key on the remote com- 2. Press the mander for several seconds activates the key check mode where all segments of LCD turn OFF. (At the last two digits of DOT section, AD value of remote commander key line is displayed in hexadecimal) 3. When each key is pressed, it is displayed on the LCD, imply- ing that it

Resumen del contenido incluido en la página 20

Ver 1.3 2001. 01 SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. OUTLINE 5-4. NV RESET • In this set, automatic adjustment of CD and MO can be per- • Setting method of NV reset formed by entering the test mode. (See page 13) 1. Select the manual mode of test mode, and set mode num- However, before starting automatic adjustment, the memory ber 021NV Reset. clear, power adjustment and temperature adjustment must be LCD display performed in the manual mode. • The keys in the description refer to the keys on


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