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MZ-N1
SERVICE MANUAL US Model
Canadian Model
Ver 1.4 2002. 10
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
Model Name Using Similar Mechanism NEW
US and foreign patents licensed from Dolby
Laboratories.
Mechanism Type MT-MZN1-171
Optical Pick-up Name LCX-5R
• OpenMG, “MagicGate”, “MagicGate Memory Stick”, “Memory Stick”,
VAIO,MusicClip and their logos are trademarks of Sony Corporation.
• “WALKMAN” is a trademark of Sony Corporation.
• Microsoft,Windows,Windows NT and
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MZ-N1 Ver 1.1 1) Modulation system Battery life 2) EFM (Eight to Fourteen Modula tion) When playing When recording 1) 3) Frequency response : approxi.hours)(JEITA ) (Unit: approxi.hours)(JEITA ) (Unit 20 to 20, 000 Hz ± 3 dB Batteries SP LP2 LP4 Batteries SP LP2 LP4 Wow and Flutter Stereo Stereo Stereo Stereo Stereo Stereo Below measurable limit 1) Inputs Nickel metal 12 17 21 Nickel metal 30 38 42 MIC: stereo mini-jack hydride hydride (minimum input level 0.25 mV) rechargeable rechargeable 2
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MZ-N1 TABLE OF CONTENTS CAUTION Use of controls or adjustments or performance of procedures 1. SERVICING NOTES ............................................... 4 other than those specified herein may result in hazardous ra- diation exposure. 2. GENERAL ................................................................... 5 On power sources 3. DISASSEMBLY • Use house current, nikel metal hydride 3-1. Disassembly Flow ........................................................... 6 rechargeable bat
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MZ-N1 Ver 1.1 SECTION 1 SERVICING NOTES • The shipment data will be cleared when the NV is reset. There- NOTES ON HANDLING THE OPTICAL PICK-UP fore, change the NV adjusted values following the Change of BLOCK OR BASE UNIT NV Adjusted Values immediately after the NV was reset. (See The laser diode in the optical pick-up block may suffer electro- page 19) static break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human • Th
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+ – MZ-N1 SECTION 2 This section is extracted from instruction manual. GENERAL Looking at controls The recorder P MIC (PLUG IN POWER) jack Q REC (record) switch There is a tactile dot beside the MIC Ri (headphones/earphones)/LINE 1 J (PLUG IN POWER) jack. OUT jack 2 qa 3 4 qs 5 The display window of the recorder qd 13 2 4 56 qf 6 qg 7 qh 8 qj 9 qk A END SEARCH button Other operations B Display window Operation Function 7 8 9 q; qa C VOLUME +/– buttons 1) Press N play/enter The VOLUME + butt
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MZ-N1 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW SET 3-2. BOTTOM PANEL ASSY (Page 7) 3-3. UPPER PANEL SECTION 3-4. LCD MODULE, UPPER PANEL ASSY (Page 8) (Page 7) 3-6. BATTERY CASE ASSY, MAIN BOARD 3-5. MAIN BOARD SECTION (Page 8) (Page 9) 3-7. MD MECHANISM DECK (MT-MZN1-171), CHASSIS ASSY (Page 9) 3-10. DC MOTOR (SLED) (M602) 3-8. OP SERVICE ASSY (LCX-5R) 3-11. DC SSM18B MOTOR (Page 10) (Page 11) (SPINDLE) (M601), DC MOTOR (OVER WRITE H
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MZ-N1 Note: Follow the disassembly procedure in the numerical order given. 3-2. BOTTOM PANEL ASSY Note : On installation, adjust the position of both switch (S801) and knob (hold). S801 3 Remove the battery case lid. 1 Open the battery case lid. 2 claw knob (hold) 4 Close the battery terminal (plus). 5 two screws (M1.4) 5 three screws (M1.4) A 6 Remove the bottom panel assy in the direction of arrow A. 3-3. UPPER PANEL SECTION 3 two screws (M1.4) 1 flexible board (CN801) 6 upper panel se
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MZ-N1 Ver 1.3 3-4. LCD MODULE, UPPER PANEL ASSY 1 three screws (1.7) 2 Remove the LCD module in the direction of the arrow. 3 upper panel section 3-5. MAIN BOARD SECTION 6 flexible board (optical pick-up) (CN501) 5 7 holder (terminal) 1 Remove two solders of the flexible board (over write head). 8 main board section 3 four screws (M1.4) 4 screw 2 flexible board (motor) (CN502) (M1.4) 8
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MZ-N1 3-6. BATTERY CASE ASSY, MAIN BOARD 2 battery case assy 3 main board 1 Remove the solder of terminal (plus). 1 Remove the solder of terminal (minus). 3-7. MD MECHANISM DECK (MT-MZN1-171), CHASSIS ASSY 2 boss 3 MD mechanism deck (MT-MZN1-171) 2 boss 1 screw 5 chassis assy (M1.4) 4 spring (POP) 1 screw (M1.4) 9
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MZ-N1 3-8. OP SERVICE ASSY (LCX-5R) 2 gear (SA) 5 screw (M1.4) 1 washer (0.8-2.5) 6 thrust detent spring 3 screw (M1.4) 8 Pull off lead screw. 4 rack spring 7 9 Opening the over write head toward the direction A, remove the OP service assy (LCX-5R) toward the direction B. B Note: Do not open the entire assy forcibly, when opening the over write head. OP service assy (LCX-5R) A over write head section 10
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MZ-N1 3-9. HOLDER ASSY 5 Remove the holder assy in the direction of arrow D. B 2 Push the convex portion toward the 1 Open the holder assy. direction B and open the holder assy toward the direction A to erect uprightly. 3 Remove the concave portion C in the direction of arrow C. A D 4 convex portion 3-10. DC MOTOR (SLED) (M602) 2 washer (0.8-2.5) 3 gear (SA) 4 two screws (M1.4) 1 Remove six solders of the motor flexible board. 5 DC motor (sled) (M602) 11
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MZ-N1 3-11. DC SSM18B MOTOR (SPINDLE) (M601), DC MOTOR (OVER WRITE HEAD UP/DOWN) (M603) 1 Remove six solders of Note : Press-fit the gear (HA) up to the the motor flexible board. position of the DC motor (over write qa DC motor head up/down) (M603) as shown below. (over write head up/down) (M603) gear (HA) 6 two screws (M1.4) 2.65mm qs gear chassis assy gear chassis assy 4 three screws (M1.4) 9 screw DC motor (M1.2 × 1.5) (over write head up/down) (M603) 5 DC SSM18B motor q; ge
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MZ-N1 SECTION 4 TEST MODE Outline Operation in Setting the Test Mode • This set provides the Overall adjustment mode that allows CD • When the test mode becomes active, first the display check mode and MO discs to be automatically adjusted when in the test mode. is selected. In this overall adjustment mode, the disc is discriminate between • Other mode can be selected from the display check mode. CD and MO, and each adjustment is automatically executed in • When the test mode is set, the LCD r
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MZ-N1 Configuration of Test Mode [VOLUME +] key: 100th place of item number increase. [Major item switching] [Test Mode $Display Check Mode%] [VOLUME --] key: 100th place of item Press the > or [VOLUME +] key number decrease. N key x/CHG key [Manual Mode] Press the x/CHG key [Servo Adjustment] [VOLUME +] key: 10th place of item number increase. [Audio Adjustment] [Medium item switching] [Power Supply Adjustment] [VOLUME --] key: 10th place of item number decrease. [OP Alignment Adjustme
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MZ-N1 5. The display changes a shown below each time the jog Self-Diagnosis Result Display Mode dial (down) is turned or the [DISPLAY] key on the remote This set uses the self-diagnostic function system in which if an commander is pressed. error occurred during the recording or playing, the mechanism control block and the power supply control block in the microcomputer detect it and record its cause as history in the nonvolatile memory. • Address & Adjusted Value Display By checking this history
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MZ-N1 • Description of error indication codes Problem Indication code Meaning of code Simple display Description No error 00 No error --- No error Illegal access target 01 Adrs Attempt to access an abnormal address address was specified Servo system error 02 High temperature Temp High temperature detected 03 Focus error Fcus Disordered focus or can not read an address 04 Spindle error Spdl Abnormal rotation of disc 11 TOC error TOC Faulty TOC contents TOC error 12 Data reading error Data Data co
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MZ-N1 Sound Skip Check Result Display Mode Jog and Key Check Mode This set can display the count of errors that occurred during the This set can check if the set and remote commander function nor- recording/playing for checking. mally. • Setting method of sound skip check result display • Setting method of jog check mode mode 1. Set the test mode (see page 13). 1. Set the test mode (see page 13). 2. Press the jog button to activate the jog check mode and display as 2. Press the N key or [REC] ke
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MZ-N1 Example1: When the > key on the set is pressed: Remote commander LCD display 000 FF ** **: AD value of the remote commander key (hexadecimal 00 to FF) Example2: When the N > key on the remote commander is pressed: Remote commander LCD display 000 rPLAY ** **: AD value of the remote commander key (hexadecimal 00 to FF) 4. When all the keys on the set and on the remote commander are considered as OK, the following displays are shown for 4 sec- onds. Example1: When the keys on the se
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MZ-N1 SECTION 5 ELECTRICAL ADJUSTMENTS Outline NV Reset • In this set, automatic adjustment of CD and MO can be per- Caution: The shipment data will be cleared when the NV is reset. formed by entering the test mode. Therefore, change the NV adjusted values following the However, before starting automatic adjustment, the memory Change of NV Adjusted Values immediately after the clear, power supply adjustment, and laser power check must be NV was reset. performed in the manual mode. Change the N
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MZ-N1 2. NV adjusted values modifying procedure 19) Press the X key to write the adjusted value. 1) Select manual mode of the test mode, and set item number 20) Select manual mode of the test mode, and set item number 336 (see page 14). 865 (see page 14). Remote commander LCD display Remote commander LCD display 336 AbcdGn ** 865 V3 num ** **: Adjusted value **: Adjusted value 2) Adjust with the [VOLUME +] key (adjusted value up) or [VOL- 21) Adjust with the [VOLUME +] key (adjusted value up) or
