Sony MZ-E45 Section Servicing Note, 2, Table Of Contents, General, Disassembly, Diagrams

	TABLE OF CONTENTS
Specifications	........................................................................... 1	5. ELECTRICAL ADJUSTMENTS	10

1.	SERVICING NOTE		2
2.	GENERAL
	Location and Function of Controls		3
3.	DISASSEMBLY
	3-1. Upper Panel Assy		4
	3-2. Bottom Panel Assy		4
	3-3.	Main board	4
	3-4.	Belt Assy, Front Panel Assy	5
	3-5.	Mechanism Deck Section	5
	3-6.	Optial Pick-up Block Assy	6

4. TEST MODE	7
		This Mini Disc player is classi-
		fied as a CLASS 1 LASER
		product.
		The CLASS 1 LASER
		PRODUCT label is located on
		the bottom exterior.

IN NO EVENT SHALL SELLER BE

LIABLE FOR ANY DIRECT,

INCIDENTAL OR CONSEQUENTIAL

DAMAGES OF ANY NATURE, OR

LOSSES OR EXPENSES RESULTING

FROM ANY DEFECTIVE PRODUCT

OR THE USE OF ANY PRODUCT.

“MD WALKMAN” is a trademark of Sony Corporation.

CAUTION

Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

6. DIAGRAMS
6-1.	Explanation of IC Terminals	13
6-2.	Block Diagram	15
6-3.	Printed Wiring Boards	18
6-4.	Schematic Diagram	21

7.	EXPLODED VIEWS
	7-1.	Panel Section	28
	7-2.	Main Section	29
	7-3.	Mechanism Deck Section	30
8.	ELECTRICAL PARTS LIST		31

Flexible Circuit Board Repairing

•Keep the temperature of the soldering iron around 270°C during repairing.

•Do not touch the soldering iron on the same conductor of the circuit board (within 3 times).

•Be careful not to apply force on the conductor when soldering or unsoldering.

Notes on chip component replacement

•Never reuse a disconnected chip component.

•Notice that the minus side of a tantalum capacitor may be dam- aged by heat.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK !OR DOTTED LINE WITH MARK !ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS

LIST ARE CRITICAL TO SAFE OPERATION.

REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

SECTION 1

SERVICING NOTE

When repairing this device with the power on, if you remove the main board, this device stops working.

In this case, you work without the device stopping by fastening the hook of the Open/Close detection switch (S801) with tape.

Chassis ASSY

Main board

Tape

Open/Close switch (S801)

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