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Sony MZ-N1 service manual IC551 SC111258FCR2

Models: MZ-N1

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Page 43

Image 43

IC551 SC111258FCR2

MZ-N1

WI2

VI2

42 41

UI2 43

PWM2 44

3PHASE

CONTROL

CH2

VC LOW

VOLTAGE

DETECTOR

CPUO2 45

PGNDW2 40

WO2	VMVW2 VO2 PGNDUV2	UO2 VMU2	VMR2 RO2	PGND2 FO2 VMF2
39	38 37 36	35 34	33 32	31 30 29
3PHASE			H-BRIDGE
PRE DRIVER			PRE DRIVER
CH2			CH2

VC	VG	VC	VG
VC VG		VC	VG
	U	–
	U	+
		+

H-BRIDGE CONTROL CH2

28FI2

27RI2

26COM2

25CPUI2

CPVO2 46

CPWO2	47
	VC

BIAS

OE	48
GND1	49	VC VG
VC	50
VG	51
CPWO1	52
CPVO1	53
CPUO1	54

3PHASE

CONTROL

CH1

PWM1 55

UI1 56

VC VG

3PHASE

PRE DRIVER

CH1

			–
	V		–
	V		+
			+
			–

	W
	W		+
			+
	W		–
	W		+
			–
	V		–
	V		+
			+
			–
	U		–
	U		+
			+

VC VG

H-BRIDGE

PRE DRIVER

CH1

	24	CPVI2
	23	CPWI2
	22	NC
	21	GND2
	20	CPWI1
	19	CPVI1
	18	CPUI1
VC	17	COM1
VC
H-BRIDGE	16	RI1
CONTROL	16	RI1
CONTROL	15	FI1
CH1	15	FI1
CH1

1 2

VI1 WI1

3	4	5	6	7	8	9	10 11	12 13 14
PGNDW1	WO1	VMVW1	VO1	PGNDUV1	UO1	VMU1	VMR1 RO1	PGND1 FO1 VMF1

Page 43

Image 43

Sony MZ-N1 service manual IC551 SC111258FCR2

Contents

UK Model MZ-N1PORTABLE MINIDISC RECORDER AEP ModelBatteries MZ-N1Batteries Stere o Stere o StereoUNLEADED SOLDER Notes on chip component replacementFlexible Circuit Board Repairing MZ-N1OPTICAL PICK-UPFLEXIBLE BOARD MZ-N1 SECTION SERVICING NOTESNOTES ON LASER DIODE EMISSION CHECK NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK LCX-5RMZ-N1 12 The headphones/earphones with a remote controlThe display window of the remote control SECTION GENERAL Looking at controls3-1.DISASSEMBLY FLOW MZ-N1 SECTION DISASSEMBLY3-2.BOTTOM PANEL ASSY MZ-N13-3.UPPER PANEL SECTION 1four screws MZ-N13-4.LCD MODULE, UPPER PANEL ASSY 3-5.MAIN BOARD SECTION3-7.MD MECHANISM DECK MT-MZN1-171,CHASSIS ASSY 3-6.BATTERY CASE ASSY, MAIN BOARD2 battery case assy 3 main board MZ-N15 screw M1.4 3-8.OP SERVICE ASSY LCX-5RMZ-N1 2 gear SA3 Remove the concave portion MZ-N13-9.HOLDER ASSY 3-10.DC MOTOR SLED M6024three screws M1.4 5 DC SSM18B motor spindle M601 MZ-N1Outline Setting Method of Test ModeOperation in Setting the Test Mode MZ-N1 SECTION TEST MODEManual Mode Configuration of Test Mode000M a n u a l MZ-N10110 6 3 B 011 L r e f P w011C 6 8 S 011O F F JMZ-N1 Reset the Error Display CodeDescription of error indication codes Setting method of reset the error display code000P * * R 000 FF 000 rPLAY888 SET OK 888 RMC OKChange of NV adjusted values version 021ResetMZ-N1 SECTION ELECTRICAL ADJUSTMENTS Setting method of NV reset336 AbcdGn 873 V6 num Adjustment method of Vl PWM Duty L item number Adjustment sequenceAdjustment method of Vc PWM Duty L item number Adjustment method of Vc PWM Duty H item numberAdjustment method of temperature correction Temperature CorrectionLaser Power Check Adjustment method of Vd PWM Duty item numberIC551 MZ-N1MAIN Board Conductor Side IC301000 Assy Configuration of overall adjustment modeOverall adjustment mode title display Electrical offset adjusting method000 CD OK CD and MO overall adjustment itemsResume clear setting method 000 *** NGRewriting the patch data MZ-N1Preparation Pre-check6.Click the Write + Verify button MZ-N18. Click the Usb Disconnect button MZ-N111.Remove the set from the USB cradle USB CHECK OUT MZ-N1 SECTION DIAGRAMSSIGNAL PATH REC DIGITAL INPLAYBACK SIGNAL PATHMZ-N1 A B E CMZ-N1 MZ-N1 Note on Printed Wiring BoardNote on Schematic Diagram Signal path E PLAYBACK j REC ANALOG INMZ-N1 1 A B C MZ-N1See page 41 for IC Block Diagrams SCHEMATIC DIAGRAM - MAIN Board 1/4MZ-N1 MZ-N1 Page MZ-N1Page Page line with mark 0are critical for safetyMZ-N1 Page840 mVp-p MZ-N1Waveforms 1 IC501 1 TEIC303 NJM2173APC1 TE2 IC Block Diagrams IC301 AK5354VT-E2MZ-N1 IC302 AN17020A-VBIC501 SN761057A MZ-N1IC551 SC111258FCR2 MZ-N1IC601 XPC18A22AFCR2 MZ-N1IC901 XPC18A32AFCR2 MZ-N1IC902 XC6368D101MR MZ-N1 IC501 SN761057A RF AMP, FOCUS/TRACKING ERROR AMP6-11.IC PIN FUNCTION DESCRIPTION Not used MZ-N1Data input terminal MZ-N1LCD RST MZ-N1VDIOSC MZ-N1Data input from the external A/D converter MZ-N1MZ-N1 Address signal output terminal for D-RAMbottom panel section MZ-N1 SECTION EXPLODED VIEWS7-1.UPPER PANEL SECTION 2 37-2.BOTTOM PANEL SECTION MZ-N1102 MZ-N17-3.CHASSIS SECTION 1087-4.MAIN BOARD SECTION 155 156 MZ-N17-5.MD MECHANISM DECK SECTION MT-MZN1-171 MZ-N1MZ-N1 MAIN SECTION ELECTRICAL PARTS LISTMAIN MZ-N1Ref. No MZ-N1 MAINMAIN MZ-N1Ref. No Ref. No MZ-N1 MAINMZ-N1 Description of Revision REVISION HISTORYMZ-N1 Date