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Sony MZ-NH1 SCHEMATIC DIAGRAM – MAIN Section (1/9) –

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6-4. SCHEMATIC DIAGRAM – MAIN Section (1/9) – • See page 36 for IC Block Diagram. • See page 24 for Waveforms.

(1/9)

-TRK

TRK+

			C716	XRST_MTR_DRV
			C716
C714	R701	R703	0.1	SLD_CON_W
				SLD_CON_W

0.1	0	0		SLD_CON_V
				SLD_CON_V
				SLD_CON_U
L701	L702

0	SLD_PWM
	SLD_MON_U
	SLD_MON_V
	SLD_MON_W

SLD_CON_W

MZ-NH1

XRST_MTR_DRV

SLD_CON_W

SLD_CON_V

SLD_CON_U

SLD_PWM

SLD_MON_U

SLD_MON_V

SLD_MON_W

M702

(SLED)

U

NCN701 10P

W	SLEDW
W	V
	SLEDV
	SLEDU
	SLEDN
	M703

RB701

2.2k

022.0	022.0	022.0
701C	702C	703C

R707

1k

C712

SLD_CON_V

SLD_CON_U

SLD_PWM

SLD_MON_U SLD_MON_V SLD_MON_W

TF1

TR1

ZI2

ZI1

FR1

FF1

	CLV_CON_W
TF1	CLV_CON_V
TR1	CLV_CON_U

CLV_PWM

CLV_MON_U

CLV_MON_V

TF1
TR1
ZI2
ZI1	(Page 33)
FR1	(Page 33)
FF1
CLV_CON_W
CLV_CON_V
CLV_CON_U
CLV_PWM
CLV_MON_U

	OVER WRITE	HD_DRV-
	OVER WRITE	HD_DRV+
	HEAD UP/DOWN	HD_DRV+
	HEAD UP/DOWN
	M701	CLVW
	M701	CLVV
	(SPINDLE)	CLVV
	(SPINDLE)
	U	CLVU
	U	N
		N
		CLVN
	W	V

0.1

C713

0.1

01.0	022.0	01.0	022.0	01.0	022.0
705C	C706	C707	708C	C709	C710

RB702

10k

XRST_MTR_DRV

R706 0

FOCUS/TRACKING COIL DRIVE,

SPINDLE/SLED MOTOR DRIVE

CLV_MON_W

CLV_MON_V

CLV_MON_U

CLV_PWM

CLV_CON_U

CLV_CON_V

L704

CLV_CON_W

0

22∝H

L703

R702

R704

0

0

CLV_MON_W

ZI2

ZI1

FR1

FF1

CLV_MON_V

CLV_MON_W

E1

E2

A1

A2

A3

A4

C715	C717
0.1	0.1

-FCS

FCS+

B1

B2

B3

B4

MZ-NH1

A5

D1

D2

D3

C1

25 25

Contents

SPECIFICATIONS Sony Corporation Personal Audio Company Page TABLE OF CONTENTS SERVICING NOTES GENERAL 3.DISASSEMBLY TEST MODE NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK OR BASE UNIT NOTES ON LASER DIODE EMISSION CHECK UNLEADED SOLDER : LEAD FREE MARK Installing The recorder The display window of the recorder The headphones/earphones with a remote control The display window of the remote control 3-1.DISASSEMBLY FLOW Note 1: Note 2: 3-2.BOTTOM PANEL SUB ASSY 3-3.MAIN BOARD 3-4.UPPER PANEL SUB ASSY 3-5.CONTROL ORNAMENT BLOCK 3-6.MECHANISM DECK ASSY (MT-MZNH1-181) 3-7.GEAR (BSA), GEAR (SB) 3-8.OP SERVICE ASSY 3-10.HOLDER ASSY Ver Ver Manual AdjF MENU MD1Run HM3Run OfsRun OPChk ResOK SET OK ## RMC OK ## Temp SetTmp POWER PwrAdj VC1 VBsAdj ChrgLi DESIGN LrefPw DistF 3-9.Resume Clear 3-10.Releasing The Test Mode 6-1.BLOCK DIAGRAM – MD SERVO Section – 6-2.BLOCK DIAGRAM – AUDIO Section – 4-3.BLOCK DIAGRAM – POWER SUPPLY Section – •Note For Printed Wiring Boards and Schematic Diagrams Note on Printed Wiring Board: Note on Schematic Diagram: •Waveforms IC701 1 (VI1), 2 (WI1) SCHEMATIC DIAGRAM – MAIN Section (1/9) – See page 36 for IC Block Diagrams SCHEMATIC DIAGRAM – MAIN Section (3/9) – See page 36 for IC Block Diagram SCHEMATIC DIAGRAM – MAIN Section (5/9) – SCHEMATIC DIAGRAM – MAIN Section (6/9) – Page SCHEMATIC DIAGRAM – MAIN Section (8/9) – SCHEMATIC DIAGRAM – MAIN Section (9/9) – 6-13.PRINTED WIRING BOARD – MAIN Section (1/2) – : Uses unleaded solder •Semiconductor Location Ref. No Location 6-14.PRINTED WIRING BOARD – MAIN Section (2/2) – : Uses unleaded solder Ref. No. Location CXD9811K IC401 MM1655LCBE IC501 SN761059ZQLR IC601 SC901585VAR2 IC602 R1160N121B-TR-FA IC701 SC901583EPR2 IC871 R2061K01-E2 IC891 AK6514CN-L IC901 SC901584EPR2 IC902 XC62HR5502MR •IC Pin Function Description IC801 CXD2681-222GG(SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR) Page Page Page Page Page Page NOTE: 7-1.PANEL SECTION MAIN SECTION 7-3.MECHANISM DECK SECTION