Sony m 437 service manual
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Extracted text from sony m 437 service manual (Ocr-read)
Page 2
TABLE OF CONTENTS Flexible Circuit Board Repalrlng
- Keep the temperature of the soldering iron around 270°C during
Specifications .......................................................................... 1 repairing.
- Do not touch the soldering iron on the same conductor of the
1. GENERAL ....................................................................... 2 leclflt board (within 3 times).
' Be careful not to apply force on the conductor when soldenng or
2. DISASSEMBLY unsoldering.
2-1. Cassette and Battery Lids Removal ..
2-2. Cabinet Removal ...............
2-3. Mechanism Deck Removal
Lu
Notes on chip component replacement
- Never reuse a disconnected chip component.
. Notice that the minus side of a tantalum capacitor may be dam-
3. ADJUSTMENTS aged by heat.
3-1. Mechanical Adjustments
3-2. Electrical Adjustments
4. DIAGRAMS
4-1. Printed Wiring Boards . .
4-2 Schematic Diagram ........
5. EXPLODED VIEWS
5-1. Front Section ..................
5~2. Mechanism Deck Section ..
6. ELECTRICAL PARTS LIST .
SECTION 1
GENERAL
0 Parts ldentlflcatlon
EAFI
VOL
Microphone
BATI'
O REC
4- PAUSE
TAPE
SPEED
« CUE/REVIEW »
TAPE -
COUNTER I:
(M-529V/
539w VCR
579V)