LG TCH-M900, Service Manual

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SECTION  1. SUMMARY

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

• ESD PRECAUTIONS....................................................................................................................... 1-3

• SPECIFICATIONS ........................................................................................................................... 1-4

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SECTION  2. ELECTRICAL

• ELECTRICAL TROUBLESHOOTING GUIDE ................................................................................. 2-1

• CD PART TROUBLESHOOTING GUIDE......................................................................................... 2-3

• WAVEFORMS OF MAJOR CHECK POINT .................................................................................. 2-11

• INTERNAL BLOCK DIAGRAM of ICs............................................................................................ 2-13

• BLOCK DIAGRAM ......................................................................................................................... 2-25

• SCHEMATIC DIAGRAM ................................................................................................................ 2-27

- MAIN SCHEMATIC DIAGRAM ................................................................................................... 2-27

- FRONT SCHEMATIC DIAGRAM................................................................................................ 2-29

- CDP SCHEMATIC DIAGRAM .................................................................................................... 2-31

• PRINTED CIRCUIT DIAGRAM...................................................................................................... 2-33

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SECTION  3. CABINET MAIN CHASSIS & MECHANISM

• EXPLODED VIEW ........................................................................................................................... 3-1

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SECTION  4. REPLACEMENT PARTS LIST

.................................................................... 4-1

[CONTENTS]