Sony MZ-R90/R91, MT-MZR70-165 service manual

Page 44

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7-2. MECHANISM DECK SECTION (MT-MZR70-165)

65

64

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63

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62

61

59

60

54

58@ 74

57

56	M601
	M603

54 55 52

66

67

	68
	69
	67
	71
	53
73	70
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54

M602

	@Note: No.74 washer is used for correction
	of the installation position of 601
	(MOTOR). Certain sets do not have
52	this washer.
52

53

The components identified by	Les composants identifiés par une
mark 0 or dotted line with mark	marque 0 sont critiques pour la
0 are critical for safety.	sécurité.
Replace only with part number	Ne les remplacer que par une piéce
specified.	portant le numéro spécifié.

51

Ref. No.

Part No.

Description

Remark

511-677-513-11 MOTOR FLEXIBLE BOARD

524-963-883-42 SCREW (M1.4), PRECISION PAN

534-963-883-31 SCREW (M1.4), PRECISION PAN

543-338-645-31 WASHER (0.8-2.5)

554-222-214-01 GEAR (HB)

564-222-217-01 GEAR (HA)

574-224-885-01 SCREW (M1.2X1.5)

58X-4951-918-1 CHASSIS ASSY, GEAR

594-222-223-01 SHAFT, SUB

604-222-215-01 GEAR (HC)

614-222-218-01 GEAR (HD)

62X-4951-920-1 CHASSIS ASSY

634-222-206-01 SPRING, THRUST

644-222-216-01 GEAR (SA)

Ref. No.

Part No.

Description

Remark

65X-4951-919-1 HOLDER ASSY

664-222-208-01 GEAR (SB)

674-222-204-01 BEARING

068	X-3378-726-1 SERVICE ASSY, OP (LCX-2R)

694-222-203-01 SCREW, LEAD

703-349-825-21 SCREW

714-222-205-01 SPRING, RACK

724-222-222-01 GEAR (RACK)

734-222-226-01 SPRING (EJECT), TENSION

744-997-677-11 WASHER

M601	8-835-666-01	MOTOR, DC SSM-01C14A/C-NP (SPINDLE)
		(with TURN TABLE)
M602	1-763-399-11	MOTOR, DC (SLED) (with GEAR)
M603	1-763-400-11	MOTOR, DC (OVER WRITE HEAD UP/DOWN)

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Image 44

Contents US Model Canadian ModelAEP Model UK ModelFlexible Circuit Board Repairing Notes on chip component replacementTABLE OF CONTENTS SECTION SERVICING NOTE NOTES ON LASER DIODE EMISSION CHECKNOTES ON HANDLING THE OPTICAL PICK-UPBLOCK LCX-2R OPTICAL PICK-UPFLEXIBLE BOARDSECTION 2 GENERAL Page Page SECTION DISASSEMBLY 3-3.LCD MODULE 3-4.MAIN BOARDover write head section 3-6.SERVICE ASSY, OP3-5.MD MECHANISM DECK MT-MZR70-165 3-7.HOLDER ASSY 3-8.MOTOR FLEXIBLE BOARD3-9.MOTOR, DC M602 3-10.“MOTOR, DC M601”, “MOTOR, DC M603”SECTION 4 TEST MODE 4-2-2.Operation in Setting the Test Mode4-2-1.Setting Method of Test Mode 888xxxxxxxxxFREC1SHUF000M a n u a l 011 C 6 8 S 011 0 F FJ011 0 6 3 B 011 0 5 9 A000P * * R E I B000S t a t 000A d r s 000B E m p 000# # # # # # 000P * * R 000B O v r 000B f u l 000R t r y0001 s t 0001 s t 0001 s t 0001 s t000N - 1 000N - 1 000N - 2 000N - 2 000N 000R # # # #Description of Error Indication Codes • Description of Indication History4-7.KEY CHECK MODE SECTION ELECTRICAL ADJUSTMENTS 021R e s N021R e s O K ? 021R e s762V c l P W M 765V c h P W M763V r h V c l 766V r h V c h014S e t T m p 000 A s s yC D R U N 341 C D O K043R e s u m e 043R e s C l rConnection Check MethodConnecting Location SECTION DIAGRAMSMZ-R70 MZ-R70 Waveforms 6-3.BLOCK DIAGRAM - POWER SUPPLY SECTIONMZ-R70 Page Page Refer to page 41 for IC Block Diagrams MZ-R70MZ-R70 MZ-R70 IC501 SN761056IC302 NJM2173IC601 MPC17A56FTAIC603 MPC18A21MTBAK4517-VQ-L IC901 MPC18A31FTAIC301 6-9.IC PIN DESCRIPTIONS MAIN BOARD IC502 CXD2660GA Page Page Page Page Page SECTION EXPLODED VIEWS Page SECTION ELECTRICAL PARTS LIST MAINMAIN MAIN MAIN MAIN Sony Corporation MZ-R70Personal Audio Division Company Published by General Engineering DeptUS Model Canadian Model AEP Model UK Model E Model Australian Model Chinese ModelVer Subject Taiwan model Addition