Sony NHF800 - Manuals

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Manual

Manual Sony NHF800

Summary

Page 2 - Notes on chip component replacement; Never reuse a disconnected chip component.; Flexible Circuit Board Repairing; Keep the temperature of the soldering iron around 270 ̊C; CAUTION

MZ-NH700/NHF800 2 Design and specifications are subject to change without notice. Supplied accessories AC power adaptor (1)Remote control (1)Headphones (for USA model) (1) Dedicated USB cable (1) Earphones (except USA model) (1) NH-7WMAA Nickel metal hydride rechargeable battery (1)CD-ROM (SonicStag...

Page 4 - NOTES ON LASER DIODE EMISSION CHECK; Providing the required system environment; System requirements; OPERATION CHECK WHEN THE LID IS OPEN

4 MZ-NH700/NHF800 SECTION 1 SERVICING NOTES The laser diode in the optical pick-up block may suffer electrostaticbreak-down because of the potential difference generated by thecharged electrostatic load, etc. on clothing and the human body.During repair, pay attention to electrostatic break-down and...

Page 5 - Looking at controls; The recorder; The display window of the recorder

5 MZ-NH700/NHF800 SECTION 2 GENERAL This section is extracted frominstruction manual. Looking at controls The recorder A Display window B T MARK/REC (+ N ) button C Jog dial D 5-way control key E DC IN 3V jack F X (pause) button G x (stop) • CANCEL/CHG button H OPEN switch I GROUP button J • NAVI/ M...

Page 6 - This set can be disassembled in the order shown below.; SET; Note 1: The process described in can be performed in any order.; SECTION 3

6 MZ-NH700/NHF800 • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. CASE (LOWER) SECTION (Page 7) 3-3. MAIN BOARD (Page 7) 3-4. CASE (UPPER) SECTION (Page 8) 3-5. MECHANISM DECK SECTION (MT-MZNH900-181), MD STANDARD PIN(Page 8) 3-7. GEAR (BSA), GEAR (SB) (Page 9) 3-...

Page 7 - MAIN board

7 MZ-NH700/NHF800 3-3. MAIN BOARD 2 LCD module flexible board(CN471) 4 three screws(M1.4) 1 Remove two solders of over write head flexible board. 6 OP flexible board(CN501) 3 motor flexible board(CN701) 7 MAIN board 4 screw (M1.4) 5 2 Remove the case (lower) sectionin the direction of the arrow. 1 t...

Page 12 - OUTLINE; ENTERING THE TEST MODE; ”: Microcomputer version; RELEASING THE TEST MODE; All lit

12 MZ-NH700/NHF800 SECTION 4 TEST MODE OUTLINE A key having no particular description in the text, indicates a setkey. 1. ENTERING THE TEST MODE Preparation:Copy the “TestMode_Enter_For_900_800_700_600_600D_Ver***.exe” folder of the PC application of the latest version toyour PC in advance. (operati...

Page 13 - CONFIGURATION OF THE TEST MODE; M a n u a l

13 MZ-NH700/NHF800 5. MANUAL MODE This is mode to adjust or check the operation of the set by function. Operation of The Manual Mode 1. Enter the test mode (Display Check mode).2. Press the [VOL+] key to activate the Manual mode where the LCD displays as shown below. Display 3. During each test, the...

Page 14 - Flow of overall adjustment mode:; M D 1 R u n; -2. Error Message in The Overall Adjustment Mode

14 MZ-NH700/NHF800 6. OVERALL ADJUSTMENT MODE6-1. Operation of The Overall Adjustment Mode 1. Enter the test mode (Display Check mode).2. Press the [VOL--] key to activate the Overall Adjustment mode where the LCD displays as shown below. Display Disc mark: Lit the inner segments: Completed the powe...

Page 16 - PRECAUTIONS FOR ADJUSTMENT; Therefore if it is used 400 times, exchange it for a new.; ADJUSTMENT SEQUENCE; Display; T e m p

16 MZ-NH700/NHF800 SECTION 5 ELECTRICAL ADJUSTMENTS 1. PRECAUTIONS FOR ADJUSTMENT 1. Adjustment must be done in the test mode only. After adjusting, release the test mode. A key having no particular descriptionin the text, indicates a set key. 2. Use the following tools and measuring instruments. • ...

Page 18 - V B s A d j; When perform this check, don’t apply a voltage to battery terminals.; P O W E R

18 MZ-NH700/NHF800 3-4-3. VBsAdj adjustments Procedure: 1. In the “3-4-2. PwrAdj Adjustments” completed status, press the > key to display as follows. Display 2. Apply the voltage of 5 V to the CL453 (VBUS 5V) and CL460 (VBUS GND). 3. Press the > key to change the item number to 2241. 4. Adjus...

Page 19 - Example of Calculation:; D i s c P r

19 MZ-NH700/NHF800 Example of Calculation: Item No. Parameter Result Decimal Hexadecimal 0211 Pr_nominal 2.50 mW 50 32h 0212 Kr − 0.3 %/ ° C 30 1Eh 0213 Pw_nominal 7.35 mW 147 93h 0214 Kw − 0.4 %/ ° C 40 28h 0215 Prmin 1.9 mW 38 26h 0216 Pwmin 5.8 mW 116 74h Procedure: 1. In the test mode (Display C...

Page 21 - -1. BLOCK DIAGRAM – MD SERVO Section –; SIGNAL PATH

MZ-NH700/NHF800 21 21 MZ-NH700/NHF800 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – MD SERVO Section – 8 48 47 40 41 42 23 9 35 21 32 33 7 56 1 54 55 50 51 52 49 15 14 18 19 IY VREF OPTICAL PICK-UP BLOCK (ABX-U) HR601 OVER WRITE HEAD D D_C PD_I PDO_SOURCE C B A VREF10 A_C JY JX IX IY RFO PEAK BOTM ABCD FE...

Page 23 - -3. BLOCK DIAGRAM – POWER SUPPLY Section –

MZ-NH700/NHF800 23 23 MZ-NH700/NHF800 (Page 22) (Page 22) 6-3. BLOCK DIAGRAM – POWER SUPPLY Section – 246 SYSTEM CONTROLLER IC801 (3/3) GND_SW 226 219 73 256 257 207 VREC_SEL VBUS_VB_CTL 25 LG VCO1 11 7 LVB 27 VB 14 L1 13 L1 38 L2 37 L2 DW_2B DW_2T 55 REGI1 52 REGI2 48 REGI3 44 43 VRMC 6 DATA SDO0 S...

Page 24 - Note For Printed Wiring Boards and Schematic Diagrams; Note on Schematic Diagram:; Total current is measured with MD installed.; Note on Printed Wiring Board:; surface; Waveforms; ra

MZ-NH700/NHF800 24 24 MZ-NH700/NHF800 • Note For Printed Wiring Boards and Schematic Diagrams • MAIN board is multi-layer printed board.However, the patterns of intermediate-layer have not been in-cluded in this diagrams. • Lead Layouts Note on Schematic Diagram: • All capacitors are in µ F unless o...

Page 25 - See page 36 for IC Block Diagram.

MZ-NH700/NHF800 25 25 MZ-NH700/NHF800 6-4. SCHEMATIC DIAGRAM – MAIN Section (1/9) – • See page 36 for IC Block Diagram. R712 C713 C715 C717 C716 C714 R706 R707 R708 C701 C702 C703 R709 R710 R711 C705 C706 C707 C708 C710 C709 L701 L702 IC701 BP701 C712 R 713 CN701 0 0.1 0.1 0.1 0.1 0.1 2.2k 2.2k 2.2k...

Page 26 - See page 36 for IC Block Diagrams.

MZ-NH700/NHF800 26 26 MZ-NH700/NHF800 6-5. SCHEMATIC DIAGRAM – MAIN Section (2/9) – • See page 36 for IC Block Diagrams. Q611 Q615 W601 W602 IC606 C668 C669 R663 R662 R660 R661 C601 R652 C 6 1 9 C602 C604 C613 R654 C614 C675 R653 C616 C607 C609 C611 R 6 2 4 R 62 5 C 6 4 8 D606 D615 D 6 16 L606 C622 ...

Page 34 - MAIN BOARD

MZ-NH700/NHF800 34 34 MZ-NH700/NHF800 6-13. PRINTED WIRING BOARD – MAIN Section (1/2) – : Uses unleaded solder. • SemiconductorLocation Ref. No. Location D151 I-9 D301 D-9 D304 D-9 D436 I-9 D439 H-8 D440 D-7 D457 C-9 D458 D-5 D473 I-9 D605 I-6 D606 I-6 D607 I-6 D608 I-6 D614 H-5 D615 I-5 D616 I-6 D8...

Page 36 - IC Block Diagrams

MZ-NH700/NHF800 36 36 MZ-NH700/NHF800 • IC Block Diagrams IC301 AK5356VN-L V REF MT SW BST SW BEEP 19 20 21 22 23 24 18 17 16 15 14 13 PWSW 12 11 10 8 7 BST1 9 BST2 6 5 4 3 2 1 BST AGC PW B PW A ADD MT TC VCC1 INB INA BEEP OUTB BEEP OUTA VCC2 OUTA PWR GND OUTB DET AGC IN BST OUT BST NF2 LPF2 BST NF1...

Page 40 - IC Pin Function Description

40 MZ-NH700/NHF800 IC801 CXD2681-223GG (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR) Pin No. Pin Name I/O Description 1 DVDD1_0 — Power supply terminal 2 DVSS1_0 — Ground terminal 3 DVDD1_1 — Power supply terminal 4 DVSS1_1 — Ground terminal 5 DVDD1_2 — Power supply terminal 6 DVSS1_2 — Ground termi...

Page 47 - Description

47 MZ-NH700/NHF800 SECTION 7 EXPLODED VIEWS • Items marked “*” are not stocked since theyare seldom required for routine service. Somedelay should be anticipated when orderingthese items. • The mechanical parts with no referencenumber in the exploded views are not supplied. • A c c e s s o r i e s a...

Page 49 - CHASSIS SECTION

49 MZ-NH700/NHF800 7-3. CHASSIS SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 101 3-266-202-01 SPRING (OPEN), COMPRESSION COIL 102 3-266-197-01 OPEN SLIDER 103 3-266-196-01 CASE, BATTERY 104 3-266-194-01 MD STANDARD PIN 105 3-266-201-01 SPRING (R), EXTENSION 106 3...

Page 51 - MAIN

51 MZ-NH700/NHF800 SECTION 8 ELECTRICAL PARTS LIST Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-2023-415-1 MAIN BOARD, COMPLETE (for SERVICE) (NH700: CND, MX, AUS) X-2023-416-1 MAIN BOARD, COMPLETE (for SERVICE) (NH700: E18, E91, HK, KR, CH, JE) X-2023-417-1 MAIN BOARD...

Page 58 - or dotted line with

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 58 MZ-NH700/NHF800 R918 1-218-985-11 RES-CHIP 470K 5% 1/16W R920 1-218-985-11 RES-CHIP 470K 5% 1/16W R922 1-218-977-11 RES-CHIP 100K 5% 1/16W R924 1-218-985-11 RES-CHIP 470K 5% 1/16W R925 1-208-927-11 METAL CHIP 47K 0.5% 1/16W...

Page 60 - REVISION HISTORY; Date; New

2 MZ-NH700/NHF800 REVISION HISTORY 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 revisedpage. Ver. Date Description of Revision 1.0 2004.07 New 1.1 2004.09 Change of all contents Test Mode ...

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