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MZ-N10
SERVICE MANUAL US Model
Canadian Model
Ver 1.2 2003. 02
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
SILVER MODEL
Model Name Using Similar Mechanism NEW
US and foreign patents licensed from Dolby
Laboratories.
Mechanism Type MT-MZN10-181
Optical Pick-up Name ABX-1R
SPECIFICATIONS
3)
1)
Battery operation time
Audio playing system Inputs
When recording
MiniDisc digital audio system MIC: stereo mini-jack
4)
(Unit: approx.hours)(JEITA )
Laser diode properties (mini
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MZ-N10 Ver 1.2 2003.02 Dimensions CAUTION Approx. 78.5 × 73.3 × 13.8 mm (w/h/d) Use of controls or adjustments or performance of procedures 1 9 (3 /8× 3 × /16 in.) (excluding projecting parts other than those specified herein may result in hazardous ra- and controls) diation exposure. Mass Approx. 84 g (3 oz) (including the built-in rechargeable battery) 1) The LINE IN (OPT) jack is used to connect On power sources either a digital (optical) cable or a line • Use house current, nikel me
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MZ-N10 TABLE OF CONTENTS 1. SERVICING NOTES ............................................... 4 2. GENERAL ................................................................... 5 3. DISASSEMBLY ......................................................... 6 3-1. Bottom Panel Section, Jog Dial Section ......................... 7 3-2. Upper Panel Section ........................................................ 7 3-3. MAIN Board Section ...................................................... 8 3-4. MD Me
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MZ-N10 SECTION 1 SERVICING NOTES •Replacement of SN761058ZQL (IC501), CDX2678-202GA NOTES ON HANDLING THE OPTICAL PICK-UP (IC801) used in this set requires a special tool BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electro- •The shipment data will be cleared when the NV is reset. There- static break-down because of the potential difference generated fore, change the NV adjusted values following the Change of by the charged electrostatic load, etc. on clot
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MZ-N10 SECTION 2 This section is extracted from instruction manual. GENERAL Looking at controls The recorder The headphones/earphones with a remote control 1 qa 2 qs qd 3 qf 4 A F qg B G 5 H C 6 I D qh 7 J qj E 8 qk 9 ql q; A Volume control (VOL+, –) F Clip A 5-way control key GzREC (record) switch Turn to adjust the volume. G HOLD switch Bx (stop) button H T MARK button Slide the switch in the direction of the arrow (a yellow mark appears) to C Jog lever (NX/ENT, .,>) I END SEARCH button dis
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MZ-N10 SECTION 3 DISASSEMBLY • The equipment can be removed using the following procedure. SET BOTTOM PANEL SECTION, JOG DIAL SECTION UPPER PANEL SECTION MAIN BOARD SECTION MD MECHANISM DECK ( MT-MZN10-181), SET CHASSIS GEAR (SA), GEAR (SB) OP SERVICE ASSY (ABX-1R) DC MOTOR SSM21A (SLED) (M602), HOLDER ASSY DC MOTOR SSM18D (SPINDLE) (M601), DC MOTOR UNIT (OVER WRITE HEAD UP/DOWN) (M603) 6
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MZ-N10 3-1. Bottom Panel Section, Jog Dial Section Notes: On installation, adjust the position of both switch (S802) and knob (hold). @@@Adjust the position of both switch (S951) and knob (batt). @@@Adjust the position of both the convex part of an open lever and knob (open). S951 S802 The convex part of an open lever 5 3 two screws 6 bottom panel assy (M1.4) 1 screw (M1.4) 7 flexible board (CN891) knob (HOLD) 4 knob (OPEN) 8 jog dial assy knob (BATT) 2 screw (M1.4) 3-2. Upper Panel Section 1
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MZ-N10 3-3. MAIN Board Section 3 flexible board (CN871) 7 lithium ion storage battery 2 flexible board (CN701) 4 Remove two solders of the main board. 8 MAIN board 1 five toothed lock screws (M1.4) 5 flexible board (CN501) 6 flexible board (CN951) 3-4. MD Mechanism Deck (MT-MZN10-181), Set Chassis 1 two step screws (MD) 2 boss 4 MD mechanism deck (MT-MZN10-181) 3 boss 7 torsion spring (pop-L) 8 set chassis assy 5 battery case 6 torsion spring (pop-R) 8
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MZ-N10 3-5. Gear (SA), Gear (SB) 1 tapping screw 2 spring 3 washer (0.8-2.5) 5 gear (SB) 4 gear (SA) 3-6. OP Service Assy (ABX-1R) 3 Pull off lead screw. 5 OP service assy (ABX-1R) B A 4 Opening the over write head toward the direction A, remove the OP service assy (ABX-1R) toward the direction B. Note: Do not the entire assy forcibly, when opening the over write head. 2 rack spring 1 precision pan screw (M1.4)(EG) 9
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MZ-N10 3-7. DC Motor SSM21A (Sled) (M602), DC Motor SSM18D (Spindle) (M601), DC Motor Unit (Over Write Head Up/Down) (M603) 3 two screws (M1.4) 4 DC motor SSM21A (sled) (M602) 2 Remove two solders of the flexible board. 1 Remove four solders of the flexible board. 8 screw 6 three screws 9 DC motor unit (over write head up/down) (M603) 7 DC motor SSM18D (spindle) (M601) 5 motor base assy 3-8. Holder Assy 4 Remove the holder assy in the direction of the arrow A. 2 boss 3 Open the holder assy.
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MZ-N10 SECTION 4 TEST MODE Outline 3 In case of setting the test mode by keys on the set and remote commander: •This set provides the Overall adjustment mode that allows CD In the normal mode, turn on the [HOLD] switch on the set. and MO discs to be automatically adjusted when in the test mode. While pressing the x key on the set, press the keys on the In this overall adjustment mode, the disc is discriminate between remote commander with the following order: CD and MO, and each adjustment is
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MZ-N10 Configuration of Test Mode Remote commander LCD display [Test Mode $Display Check Mode%] 000Manual Press the > or [VOL +] key, or press the [VOL +] key on the remote commander Set LCD display [Manual Mode] 000 Press the x key [Servo Adjustment] Manual [Audio Adjustment] [Power Supply Adjustment] [OP Alignment Adjustment] Press the . or [VOL --] key 3. During each test, the optical pick-up moves outward or in- ward while the > or . key is pressed for several sec- [Overall Adjustment
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MZ-N10 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 histor
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MZ-N10 • 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 c
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MZ-N10 Sound Skip Check Result Display Mode Key and Jog 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 key check mode mode 1. Set the test mode (see page 11). 1. Set the test mode (see page 11). 2. Pressing the [T MARK] key or [DISPLAY] key on the remote 2. Press the N key or zREC. key, and th
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MZ-N10 Example2: When the keys on the remote commander are con- sidered as OK: Remote commander LCD display 888 RMC OK ** Set LCD display 888 RMC OK ** **: AD value of the remote commander key (hexadecimal 00 to FF) 5. When all keys were checked or if the upper panel is opened, the key check mode quits and the test mode (display check mode) comes back. • Jog check mode Jog check mode is available during the key check mode. 1. Turn the jog dial downwards one click. Remote commander LCD display
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MZ-N10 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 without the adjusted formed by entering the test mode. values of the electrical offset adjustment and power sup- However, before starting automatic adjustment, the memory ply adjustment when the NV is reset. clear, power supply adjustment, and laser power check must be performed in the manual mode. • Setting method of NV reset •A key h
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MZ-N10 Power Supply Manual Adjustment 1. Connect a digital voltmeter to the TP1906 (VC1) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --] key • Adjustment sequence + 0.005 (voltage down) so that the voltage becomes 2.75 V. – 0.000 Adjustment must be done with the following steps. digital 1. VC1 Low adjustment (item number : 741) voltmeter 2. VC1 High adjustment (item number : 742) MAIN board 3. VC2 Low adjustment (item number : 743) 4. VC2 High adjustment (item number : 744)
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MZ-N10 • Adjustment method of REG1 • Adjustment method of REG 3 High (item number: 745) (item number: 749) Remote commander LCD display Remote commander LCD display 745 REG1 ** 749 REG3 H ** **: Adjusted value **: Adjusted value 1. Connect a digital voltmeter to the TP1909 (REG1) on the MAIN 1. Connect a digital voltmeter to the TP1907 (REG3) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --] key board, and adjust [VOL +] key (voltage up) or [VOL --] key + 0.01 + 0.01 (voltage
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MZ-N10 • Adjustment method of VREC_High 1. Connect a digital voltmeter to the TP1952 (ChgV) on the MAIN (item number: 753) board, and adjust [VOL +] key (voltage up) or [VOL --] key (voltage down) so that the voltage becomes 3.40 ± 0.024 V. Remote commander LCD display digital 753 VREC H ** voltmeter **: Adjusted value MAIN board 1. Connect a digital voltmeter to the TP1622 (VREC) on the MAIN TP1952 (ChgV) board, and adjust [VOL +] key (voltage up) or [VOL --] key TP1951 (GND) (voltage down) so
