LG FFH-185A, Service Manual

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CONTENTS

SECTION 1. GENERAL

• SERVICING PRECAUTIONS ..................................................................................................................... 1-2

• ESD PRECAUTIONS.................................................................................................................................. 1-4

• SPECIFICATIONS ...................................................................................................................................... 1-5

SECTION 2. ELECTRICAL

• ADJUSTMENTS.......................................................................................................................................... 2-1

• TROUBLESHOOTING ................................................................................................................................ 2-3

• WAVEFORMS OF MAJOR CHECK POINT ............................................................................................... 2-8

• BLOCK DIAGRAM ...................................................................................................................................... 2-9

• SCHEMATIC DIAGRAMS......................................................................................................................... 2-11

• WIRING DIAGRAM .....................................................................................................................................2-19

• PRINTED CIRCUIT DIAGRAMS............................................................................................................... 2-21

• INTERNAL BLOCK DIAGRAM OF ICs ..................................................................................................... 2-30

SECTION 3. EXPLODED VIEWS

• CABINET AND MAIN FRAME SECTION  .................................................................................................. 3-1

• TAPE DECK MECHANISM: AUTO STOP DECK(OPTIONAL) ................................................................... 3-3

• TAPE DECK MECHANISM: AUTO REVERSE DECK................................................................................. 3-5

• CD MECHANISM ......................................................................................................................................... 3-7

SECTION 4. SPEAKER

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4-1

SECTION 5. REPLACEMENT PARTS LIST

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5-1