Sony 757MX Service Manual - Page 49

Ref. No.

Part No.

Description

Remark

49

CDX-757MX

The components identified by

mark

0

or dotted line with

mark

0

are critical for safety.

Replace only with part num-

ber specified.

Les composants identifiés par une

marque

0

sont critiques pour la

sécurité.

Ne les remplacer que par une pièce

portant le numéro spécifié.

501

502

+PSW4

×

10

×

4

TAPPING SCREW

(DIA.5

×

20)

×

4

BRACKET (T)

×

2

503

504

RCA PIN CORD 5 m

×

1

BUS CABLE 5 m

×

1

SCREW ASSY

< SWITCH >

SW1

1-529-566-31

SWITCH, PUSH (1 KEY)

(CHUCKING END DETECT)

SW2

1-529-566-31

SWITCH, PUSH (1 KEY) (SAVE END DETECT)

**************************************************************

1-684-651-11

SWITCH BOARD

*************

SW801

1-692-431-21

SWITCH, TACTILE (

Z

)

**************************************************************

MISCELLANEOUS

**************

251

1-676-341-11

OP FLEXIBLE BOARD

0

255

8-820-103-11

OPTICAL PICK-UP KSS-720A/C-RP

M101

A-3315-151-A

SLED MOTOR ASSY (251)

M102

A-3301-998-A

SPINDLE MOTOR (S) SUB ASSY

M103

A-3301-123-A

ELJ MOTOR ASSY (CHUCKING)

M104

A-3301-123-A

ELJ MOTOR ASSY (ELEVATOR)

RV202

1-227-137-11

RES, VAR, SLIDE 10K

(ELEVATOR HEIGHT SENSOR)

************************************************************

ACCESSORIES

************

3-241-142-11

MANUAL, INSRTUCTION (ENGLISH, FRENCH,

TRADITIONAL CHINESE)

A-3301-944-A

MAGAZINE (250) ASSY

***********************************************************

PARTS FOR INSTALLATION AND CONNECTIONS

**************************************

501

3-040-583-21

BRACKET (T)

*

502

X-3369-824-1

SCREW ASSY

503

1-590-874-11

CORD, CONNECTION (RCA PIN CORD)

504

1-590-519-21

CORD (WITH CONNECTOR) (BUS CABLE)

RF

SWITCH

Section	Page
COVER	1
SERVICING NOTES	2
TABLE OF CONTENTS	5
GENERAL	6
DISASSEMBLY	8
DISASSEMBLY FLOW	8
CASE (UPPER. T), FRONT PANEL ASSY	9
MECHANISM DECK (MG-251B-137)	9
JACK BOARD	10
MAIN BOARD, SLIDE VARIABLE RESISTOR (ELEVATOR HEIGHT SENSOR) (RV202)	10
ELJ MOTOR ASSY (ELEVATOR) (M104)	11
ESCUTCHEON (T)	11
CHASSIS (U.S) SUB ASSY	12
CHASSIS ASSY	12
RF BOARD	13
SLED MOTOR ASSY (251) (M101), OPTICAL PICK-UP (KSS-720A)	13
LSW BOARD, SPINDLE MOTOR (S) SUB ASSY (M102)	14
ELJ MOTOR ASSY (CHUCKING) (M103)	14
ASSEMBLY	15
ASSEMBLY FLOW	15
OPTICAL PICK-UP COMPLETE ASSY	15
GEAR (LOMINI)/(LOAD 1) ASSY	16
OPERATION CHECK	16
MECHANICAL ADJUSTMENT	17
ELECTRICAL CHECK	18
DIAGRAMS	20
BLOCK DIAGRAM – SERVO Section –	20
BLOCK DIAGRAM – MAIN Section (1/2) –	21
BLOCK DIAGRAM – MAIN Section (2/2) –	22
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS	23
PRINTED WIRING BOARDS – RF/LSW Boards –	24
SCHEMATIC DIAGRAM – RF/LSW Boards –	25
PRINTED WIRING BOARDS – MAIN Board (Component Side) –	26
PRINTED WIRING BOARDS – MAIN (Conductor Side)/SWITCH Boards –	27
SCHEMATIC DIAGRAM – MAIN Board (1/3) –	28
SCHEMATIC DIAGRAM – MAIN (2/3)/SWITCH Boards –	29
SCHEMATIC DIAGRAM – MAIN Board (3/3) –	30
Waveforms	31
PRINTED WIRING BOARDS – JACK Board –	32
SCHEMATIC DIAGRAM – JACK Board –	33
IC Block Diagrams	34
IC PIN FUNCTION DESCRIPTION	39
EXPLODED VIEWS	41
CASE SECTION	41
MECHANISM DECK SECTION-1 (MG-251B-137)	42
MECHANISM DECK SECTION-2 (MG-251B-137)	43
MECHANISM DECK SECTION-3 (MG-251B-137)	44
MECHANISM DECK SECTION-4 (MG-251B-137)	45
ELECTRICAL PARTS LIST	46
JACK	46
LSW	46
MAIN	46
RF	48
SWITCH	49
SUPPLEMENT-1	50
NEW/FORMER DISCRIMINATION	50
DIAGRAMS	51
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS	51
SCHEMATIC DIAGRAM – MAIN Board (1/3) –	52
SCHEMATIC DIAGRAM – MAIN (2/3)/SWITCH Boards –	53
SCHEMATIC DIAGRAM – MAIN Board (3/3) –	54
PRINTED WIRING BOARDS – MAIN Board (Component Side) –	55
PRINTED WIRING BOARDS – MAIN (Conductor Side)/SWITCH Boards –	56
PRINTED WIRING BOARDS – JACK Board –	57
SCHEMATIC DIAGRAM – JACK Board –	57
EXPLODED VIEWS	58
CASE SECTION	58
ELECTRICAL PARTS LIST	59
JACK	59
MAIN	59
SWITCH	61

Sony 757MX Service Manual - Page 49

Cdx-757mx, Switch - cdx installation

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