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MZ-N707
SERVICE MANUAL US Model
Canadian Model
Ver 1.0 2002. 01
AEP Model
UK Model
Model Name Using Similar Mechanism NEW
US and foreign patents licensed from Dolby
Laboratories.
Mechanism Type MT-MZN707-177
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 Windows Media are trademarks
or registered trad
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MZ-N707 Modulation system 1) Battery life EFM (Eight to Fourteen Modulation) Number of channels 2) When recording 2 stereo channels 3) (Unit: approx.hours)(JEITA ) 1 monaural channel Frequency response Batteries SP LP2 LP4 20 to 20,000 Hz ± 3 dB Stereo Stereo Stereo Wow and Flutter NC-WMAA 4 6 7.5 Below measurable limit Nickel Inputs Cadmium Microphone: stereo mini-jack, minimum input rechargeable level 0.35 mV 4) battery Line in: stereo mini-jack, minimum input level 49 mV LR6 (SG) 913 16
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MZ-N707 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, Nickel Cadmium 3-1. Disassembly Flow ........................................................... 6 rechargeable battery
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MZ-N707 SECTION 1 SERVICING NOTES • Replacement of CXD2677-202GA (IC801) used in this set re- NOTES ON HANDLING THE OPTICAL PICK-UP quires 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 clothing and the hu
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+ – MZ-N707 SECTION 2 This section is extracted from instruction manual. GENERAL Looking at the controls The display window of the recorder 132456 The recorder 1 J 2 ENTER 3 7q 8 9 q; qas 4 A Character information display H Group indication qa Displays the disc and track names, Lights up when group mode is on. error messages, track numbers, etc. I Play mode indication qs B SYNC (synchro-recording) indication Shows play mode of the MD. 5 qd C Sound indication J Level meter 6 Shows the volume of
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MZ-N707 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW SET 3-2. CASE (LOWER) (Page 7) 3-3. UPPER PANEL SECTION (Page 7) 3-4. LCD MODULE, 3-5. MECHANISM DECK UPPER PANEL SUB ASSY (MT-MZN707-177) (Page 8) (Page 8) 3-6. SET CHASSIS (5192) ASSY 3-8. OP SERVICE ASSY 3-10. DC MOTOR 3-11. DC SSM18B MOTOR (Page 9) (LCX-5R) (SLED) (M602) (SPINDLE) (M601), (Page 10) (Page 11) DC MOTOR (OVER WRITE HEAD UP/DOWN) (M603) 3-7. MAIN BOARD (Page 12) (Page 9
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MZ-N707 Note: Follow the disassembly procedure in the numerical order given. 3-2. CASE (LOWER) 1 two screws (M1.4) 1 two screws (M1.4) 2 Remove the case (lower) in the direction of the arrow. 3-3. UPPER PANEL SECTION 1 flexible board (CN801) 3 two screws (M1.4) 4 upper panel section set chassis (5192) assy 5 torsion spring (pop up-L) 3 two screws (M1.4) torsion spring (pop up-L) 2 Slide the open slider in the direction of the arrow, and open the upper panel section. 7
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MZ-N707 3-4. LCD MODULE, UPPER PANEL SUB ASSY Note: On installation, adjust the position of both switch and knob (hold). 2 LCD module 1 five screws (1.7 × 2.5) switch 3 compression spring (button) 4 button (control A) 5 upper panel sub assy knob (hold) 3-5. MECHANISM DECK (MT-MZN707-177) 3 two step screws (MD) 6 mechanism deck (MT-MZN707-177) 5 flexible board (optical pick-up) (CN501) 4 2 flexible board (motor) (CN502) 1 Remove two solders of the flexible board (over write head). 8
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MZ-N707 3-6. SET CHASSIS (5192) ASSY 2 two screws (1.7 × 2.5) 3 set chassis (5192) assy 1 four screws (M1.4 × 2) 3-7. MAIN BOARD 4 battery case 5 main board 2 battery terminal board (+) 3 battery terminal (–) 9
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MZ-N707 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-N707 3-9. HOLDER ASSY 4 holder assy 2 Open the holder assy 3 boss 1 convex portion 3 boss 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-N707 3-11. DC SSM18B MOTOR (SPINDLE) (M601), DC MOTOR (OVER WRITE HEAD UP/DOWN) (M603) 1 Remove six solders of the motor flexible board. 2 tapping screw 3 motor cover 7 DC motor (over write head up/down) (M603) Note: Press-fit the gear (HA) up to the position of the DC motor (over write head up/down) (M603) as shown below. 6 gear (HA) gear (HA) 8 three tapping screws 3.15 mm 4 gear (HB) DC motor (over write head up/down) (M603) 5 gear (HC) 9 DC SSM18B motor (spindle) (M601) 12
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MZ-N707 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, th
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MZ-N707 CONFIGURATION OF TEST MODE [VOL +] key: 100th place of item number increase. [Major item switching] [Test Mode $Display Check Mode%] [VOL --] key: 100th place of item number Press the > or [VOL +] key decrease. N key x/CHG key [Manual Mode] Press the x/CHG key [Servo Adjustment] [VOL +] key: 10th place of item number increase. [Audio Adjustment] [Medium item switching] [Power Supply Adjustment] [VOL --] key: 10th place of item number decrease. [OP Alignment Adjustment] N key
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MZ-N707 5. The display changes a shown below each time the SELF-DIAGNOSIS RESULT DISPLAY MODE [MENU] key is pressed. This set uses the self-diagnostic function system in which if an error occurred during the recording or playing, the mechanism control block and the power supply control block in the • Address & Adjusted Value Display microcomputer detect it and record its cause as history in the nonvolatile memory. Set LCD display By checking this history in the test mode, you can analyze a fa
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MZ-N707 • 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
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MZ-N707 SOUND SKIP CHECK RESULT DISPLAY MODE • Cause of Sound Skip Error This set can display the count of errors that occurred during the Cause of error Description of error recording/playing for checking. EIB Sound error correction error • Setting Method of Sound Skip Check Result Display Stat Decoder status error Play Mode Adrs Address access error 1. Set the test mode (see page 13). BEmp Buffer is empty 2. Press the N key or [REC] key, and the playing or recording sound skip result disp
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MZ-N707 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 set are considered as OK: Set LCD display SET OK ** 888 **: AD value of the remote commander key (hexadecimal 00 to FF) Example2: When the keys on the remote commander are con- sidered as OK: Set LCD display RMC OK ** 888 **: AD value of the remote commander key (hexadecimal 00 to FF) 5. When all keys were checked or if t
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MZ-N707 SECTION 5 ELECTRICAL ADJUSTMENTS OUTLINE • Setting Method of NV Reset 1. Select the manual mode of the test mode, and set item number • In this set, automatic adjustment of CD and MO can be per- 021 NV Reset (see page 14). formed by entering the test mode. However, before starting automatic adjustment, the memory Set LCD display clear, power supply adjustment, and laser power check must be performed in the manual mode. ResNV CC • A key having no particular description in the text, indi
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MZ-N707 2. NV adjusted values modifying procedure 14) Adjust with the [VOL +] key (adjusted value up) or [VOL --] 1) Select manual mode of the test mode, and set item number key (adjusted value down) so that the adjusted value becomes 336 (see page 14). 7D. 15) Press the X key to write the adjusted value. Set LCD display 16) Select manual mode of the test mode, and set item number 774 (see page 14). AbcdGn ** Set LCD display 336 NiRec3 ** **: Adjusted value 774 2) Adjust with the [VOL +] k
