Read Sony PCM-M1 Service Manual online
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TABLE OF CONTENTS
1.
GENERAL
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3
2.
DISASSEMBLY
2-1.
PANEL ASSY, LOWER ··················································· 14
2-2.
MAIN BOARD ································································ 14
2-3.
LID ASSY, CASSETTE ··················································· 15
2-4.
PC BOARD UNIT, SYSTEM CONTROL ······················ 15
2-5.
CABINET ········································································· 16
2-6.
BRACKET ASSY, MD ···················································· 16
2-7.
CHASSIS ASSY ······························································· 17
2-8.
DRUM ASSY ··································································· 17
3.
ADJUSTMENTS
3-1.
ADJUSTMENTS ······························································ 18
3-2.
MECHANICAL ADJUSTMENTS ·································· 23
3-3.
ELECTRICAL ADJUSTMENTS ···································· 24
4.
DIAGRAM
4-1.
BLOCK DIAGRAM – MD SECTION — ······················· 26
4-2.
BLOCK DIAGRAM – AUDIO SECTION — ················· 29
4-3.
IC BLOCK DIAGRAM ··················································· 31
4-4.
PRINTED WIRING BOARD ·········································· 34
4-5.
SCHEMATIC DIAGRAM —MAIN SECTION — ········· 39
4-6.
SCHEMATIC DIAGRAM —AUDIO SECTION — ······ 42
4-7.
IC PIN FUNCTION ························································· 45
5.
EXPLODED VIEWS
5-1.
CABINET SECTION ······················································· 49
5-2.
CASSETTE HOLDER SECTION ··································· 50
5-3.
MACHANISM SECTION 1 ············································ 51
5-4.
MACHANISM SECTION 2 ············································ 52
6.
ELECTRICAL PARTS LIST
··································· 53
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of 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.
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