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Sony MZ-NH1 SCHEMATIC DIAGRAM – MAIN Section (5/9) –

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6-8. SCHEMATIC DIAGRAM – MAIN Section (5/9) – • See page 36 for IC Block Diagrams. • See page 24 for Waveform.

H2

H3

H4

H1

H5

H6

H7

10H

H9

H8

(5/9)

MZ-NH1

L1

L2

D1

D3

XRST2

RESET SIGNAL

GENERATOR

IC903

XC61CN1702NR

XRST1

		L903			KEYREC	KEYRMC	LOCKHALF			DETWK
		10∝H
C957	C954	C914
C957	C954	10
0.1	0.1	10
0.1	0.1	6.3V
		6.3V
C925	C922	C951	C952				C928	C929	R952 R953
C925	22	100	100	C949			C928	C929	R952 R953
0.1	22	100	100	C949			100p	1000p	47k	47k
0.1	6.3V	6.3V	6.3V	22			100p	1000p	47k	47k
	6.3V	6.3V	6.3V	22						R956
				10V						R956
				10V						47k
										47k
				C926	1000p

N1

N2

N3

D2

M1

C905

1

D901

MA2Z748001S0

D903

MA2Z748001S0

C909 10 16V

C910 10 16V

C911 10 16V

C912 10 16V

C913 10 16V

C906 1

C917

0.1

L901L902

100∝H 100∝H

R914

10k

D904

L906

220∝H

MA2Z748001S0

R910

R908

R912

22k

22k

220k

100kR906

C901

0.1

1M

022.0

C902

0.1

R903

C918

CL935

1000p	220k	470k	100k			-1	-2
903C	R917	R918	922R			Q951
903C	R917	R918	922R		WAKE UP SWITCH
						XP4601-TXE
				R923		R954		R957
				R923		470k		470k
				0		470k		470k
				0
		C927	100p
		R941	0
						R924
						470k
LRFFC							R931	0

SL901

C931 2.2

C932 0.01

C934 2.2

REG5_VSTB

R958

0

4FS

SCK0

XCS_PWR_IC SDO0

N4

REGI2R925 47k

R933 220k

C939

22

6.3V

C919

0.022

R904

1MR907

10k

D902

MA2Z748001S0

D906

MA2Z748001S0

D905 A2Z748001S0M	L907	100kR946	47kR947
	∝H220

L904

10∝H

	R944
R902	0
100

R934 22k

I3			C940
I3			22
REG			22
REG			6.3V
			C936	2.2
R926	R929		R935	100k
R926	R929
100k	100k		R936	47k
			R936	47k
			C948
			22
			6.3V
R927
1k	C938	2.2
	C938	2.2
R939	R937	22k
R939
47k	R938	47k
	R938	47k

R945	VOUT
0	NC

IC902

XC62HR5502WR

MUTEON

D_ENVG

N5

MZ-NH1

C916

10

6.3V

	C920	C924	C955	R940
		47	22
	0.1			220k
		6.3V	10V

+5.5V REGULATOR

C941

1

C942

1

N6

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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