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Sony MZ-N1 service manual MAIN Board Conductor Side, IC301, IC551, IC501, 912 IC302, IC902

Models: MZ-N1

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– MAIN Board (Conductor Side) –

MZ-N1

10.Press the N key, and set the laser MO write adjustment mode (item number 013).

Remote commander LCD display

013 WritPw **

11.Check that the laser power meter reading is 4.95 ± 0.50 mW.

12.Check that the voltage both ends (TP (+) and TP (–)) of resis- tor R521 at this time is below 80 mV.

13.Press the x/CHG key to quit the manual mode, and activate the test mode (display check mode).

Checking and Connection Location: MAIN board

Adjustment/checking and Connection Location:

– MAIN Board (Conductor Side) –

AP914 (VC)	TP (+)	TP (–)	AP911 (VD)
AP914 (VC)

AP915 (VL)

IC303 5 4

1

16

8

13

9

12

R319

C217

C216

C218

R218

SL804

R206

L302

L301

C101

F801

R101

R102

C108

L303

4

5

C102+ C320

+

IC301

C305

C306

8

C303

+

+

C301

C302

C304

C925

C103

R934

C203

R301

R909

R910

C201

C922

R905

C202

R312

R941

C906

R201

R202

R303

+ C902

C908

C208

C921

1

+

C316

R902

C905

16

R903

R3

C

IC551

R503

R304

C502

9

C521

C527

42

1

C504

43

56

C505

D903

R505

C924

C923

K

A

R920

R517

C530

C913

R519

A

K

C914

R521

D902

R522

14

1

E

B

R937

15

56

C926

Q501

R935

IC901

C932

C915

C

C

22

+ C529

IC501

C523		C507
C523

		C526

C518 +

23

C506

L501

							R84					186 184				207 181
C510												190 209				215 188
							FB801					190 209				215 188
C511							FB801					194 192				211 213
C513
C513							FB803					196 198				217 204
							FB803					196 198				217 204
C519												200 202				221 219
							R843					205 206				226 224		IC801
	C532											208 210				227 225		IC801
	C514					R866				R865		212 214				243 241
	C514											216 218				237	1
												216 218				237	1
	C515											220 222				230 228
												220 222				230 228
	C516					C851						223 231				3	5
												223 231				3	5
												239 235				242		9	11	6
												239 235				242	4	9	11	6
												229 232				244	4	7	8	245
												233 234
												236 238 240				17	18	19	16	36
			L502														23	12	40	24
			L502
																C828			C825
												L802

FB301 R813

	C309 +		+	C315
	8	13

912 IC302

+

+

C307

D603

R607

A

								Q908
								B E
		R616						R956
		R616	28				43	R956		R911
R605

			29		42			R958

C524

+

C829

Q907

Q904

+

+

S

E

R925

D

C

R845

B

G

C312 +

FB303

FB304

FB306

C335

C105

C205

R105

C107

KA

R311

R309

8

5

D303

R103

D301

R104

C207

1

4

R203

D602

A

R204

R205

K

R628

K

D901 IC903

R604

R961

C936

+

C920

C919

+

A

K

3

2

Q909

4

1

B

C

C636

R629

C901 +

R960

R954

C935

R955

IC603

E

TH601

A

D6043

2

E C B

R959

RB801

K

A

1

Q910

E B

R630

C628

Q911

C1

C2

R953

R952

C637

E1

B1

C

Q801

D904

KA R915

C934 +

TH602

R951	R950	R846	C1	C2 C632	B1 E B2
R951	R950		B2	E2
C601				Q607	C839

C826

D612

K A

S G

Q903

D

L907

R916

R922

+C929

+C928

D905

4

1

K

A

R929

C

R927

IC803

R928

Q905

1

5

G

B

E

5

8

R938

D

C1

C2

C840

3

4

S

Q906

C931

IC902

Q901

B1

E

B2

R930

5

4

G2

G1

S2

Q605

S1

4

1

+

S2

S1

8

D2

D1

1

G1

S1

S1

D1

C609

D606

Q604

C608

K

A

C615

D608

G2

S2

S2

D2

K

A

5

8

C604

+

C603

C626 +

AP912 (GND)

AP611 (VREC)

24

Image 24

Sony MZ-N1 service manual MAIN Board Conductor Side, IC301, IC551, IC501, 912 IC302, IC902

Contents

MZ-N1 PORTABLE MINIDISC RECORDERAEP Model UK ModelMZ-N1 BatteriesStere o Stere o Stereo BatteriesNotes on chip component replacement Flexible Circuit Board RepairingMZ-N1 UNLEADED SOLDERMZ-N1 SECTION SERVICING NOTES NOTES ON LASER DIODE EMISSION CHECKNOTES ON HANDLING THE OPTICAL PICK-UPBLOCK LCX-5R OPTICAL PICK-UPFLEXIBLE BOARD12 The headphones/earphones with a remote control The display window of the remote controlSECTION GENERAL Looking at controls MZ-N1MZ-N1 SECTION DISASSEMBLY 3-1.DISASSEMBLY FLOWMZ-N1 3-2.BOTTOM PANEL ASSY3-3.UPPER PANEL SECTION MZ-N1 3-4.LCD MODULE, UPPER PANEL ASSY3-5.MAIN BOARD SECTION 1four screws3-6.BATTERY CASE ASSY, MAIN BOARD 2 battery case assy 3 main boardMZ-N1 3-7.MD MECHANISM DECK MT-MZN1-171,CHASSIS ASSY3-8.OP SERVICE ASSY LCX-5R MZ-N12 gear SA 5 screw M1.4MZ-N1 3-9.HOLDER ASSY3-10.DC MOTOR SLED M602 3 Remove the concave portionMZ-N1 4three screws M1.4 5 DC SSM18B motor spindle M601Setting Method of Test Mode Operation in Setting the Test ModeMZ-N1 SECTION TEST MODE OutlineConfiguration of Test Mode 000M a n u a lMZ-N1 Manual Mode011 L r e f P w 011C 6 8 S011O F F J 0110 6 3 BReset the Error Display Code Description of error indication codesSetting method of reset the error display code MZ-N1000P * * R 000 rPLAY 888 SET OK888 RMC OK 000 FF021Reset MZ-N1 SECTION ELECTRICAL ADJUSTMENTSSetting method of NV reset Change of NV adjusted values version336 AbcdGn 873 V6 num Adjustment sequence Adjustment method of Vc PWM Duty L item numberAdjustment method of Vc PWM Duty H item number Adjustment method of Vl PWM Duty L item numberTemperature Correction Laser Power CheckAdjustment method of Vd PWM Duty item number Adjustment method of temperature correctionMZ-N1 MAIN Board Conductor SideIC301 IC551Configuration of overall adjustment mode Overall adjustment mode title displayElectrical offset adjusting method 000 AssyCD and MO overall adjustment items Resume clear setting method000 *** NG 000 CD OKMZ-N1 PreparationPre-check Rewriting the patch dataMZ-N1 6.Click the Write + Verify buttonMZ-N1 8. Click the Usb Disconnect button11.Remove the set from the USB cradle MZ-N1 SECTION DIAGRAMS SIGNAL PATHREC DIGITAL IN USB CHECK OUTSIGNAL PATH MZ-N1A B E C PLAYBACKMZ-N1 Note on Printed Wiring Board Note on Schematic DiagramSignal path E PLAYBACK j REC ANALOG IN MZ-N1MZ-N1 MZ-N1 1 A B CSCHEMATIC DIAGRAM - MAIN Board 1/4 See page 41 for IC Block DiagramsMZ-N1 MZ-N1 MZ-N1 PagePage line with mark 0are critical for safety MZ-N1Page PageMZ-N1 Waveforms1 IC501 1 TE 840 mVp-pIC Block Diagrams IC301 AK5354VT-E2 MZ-N1IC302 AN17020A-VB IC303 NJM2173APC1 TE2MZ-N1 IC501 SN761057AMZ-N1 IC551 SC111258FCR2MZ-N1 IC601 XPC18A22AFCR2MZ-N1 IC901 XPC18A32AFCR2IC902 XC6368D101MR IC501 SN761057A RF AMP, FOCUS/TRACKING ERROR AMP MZ-N16-11.IC PIN FUNCTION DESCRIPTION MZ-N1 Not usedMZ-N1 Data input terminalMZ-N1 LCD RSTMZ-N1 VDIOSCMZ-N1 Data input from the external A/D converterAddress signal output terminal for D-RAM MZ-N1MZ-N1 SECTION EXPLODED VIEWS 7-1.UPPER PANEL SECTION2 3 bottom panel sectionMZ-N1 7-2.BOTTOM PANEL SECTIONMZ-N1 7-3.CHASSIS SECTION108 102MZ-N1 7-4.MAIN BOARD SECTION 155 156MZ-N1 7-5.MD MECHANISM DECK SECTION MT-MZN1-171SECTION ELECTRICAL PARTS LIST MZ-N1 MAINMZ-N1 MAINMZ-N1 MAIN Ref. NoMZ-N1 MAINRef. No MZ-N1 MAIN Ref. NoMZ-N1 REVISION HISTORY MZ-N1Date Description of Revision