Panasonic LUMIX DMCLX7EB Service Manual Download Page 2

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TABLE OF CONTENTS

PAGE

PAGE

1 Safety Precautions

-----------------------------------------------

3

1.1. General Guidelines ----------------------------------------3
1.2. Leakage Current Cold Check ---------------------------3
1.3. Leakage Current Hot Check (See Figure. 1)--------3
1.4. How to Discharge the E.Capacitor on Flash

P.C.B.----------------------------------------------------------4

2 Warning

--------------------------------------------------------------

5

2.1. Prevention of Electrostatic Discharge (ESD)

to Electrostatically Sensitive (ES) Devices ----------5

2.2. How to Recycle the Lithium Ion Battery (U.S.

Only)-----------------------------------------------------------5

2.3. Caution for AC Cord(For EB/GC/GH)-----------------6
2.4. How to Replace the Lithium Battery-------------------7

3 Service Navigation

------------------------------------------------

8

3.1. Introduction --------------------------------------------------8
3.2. Important Notice  -------------------------------------------8
3.3. Service Notes -----------------------------------------------8
3.4. General Description About Lead Free Solder

(PbF) ----------------------------------------------------------9

3.5. How to Define the Model Suffix (NTSC or PAL

model)------------------------------------------------------- 10

4 Specifications

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5 Location of Controls and Components

------------------

16

6 Service Mode

-----------------------------------------------------

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6.1. Error Code Memory Function ------------------------- 17

7 Service Fixture & Tools

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7.1. Service Fixture and Tools ------------------------------ 20
7.2. When Replacing the Main P.C.B. -------------------- 21
7.3. Service Position ------------------------------------------ 21

8 Disassembly and Assembly Instructions

---------------

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8.1. Disassembly Flow Chart-------------------------------- 22
8.2. P.C.B. Location ------------------------------------------- 22
8.3. Disassembly Procedure -------------------------------- 23
8.4. Lens Disassembly Procedure------------------------- 32
8.5. Assembly Procedure for the Lens  (Phase

Alignment)-------------------------------------------------- 35

8.6. Removal of the Focus Motor Unit -------------------- 38
8.7. The Application of Grease Method ------------------ 38
8.8. Removal of the MOS Unit------------------------------ 39

9 Measurements and Adjustments

--------------------------

41

9.1. Introduction ------------------------------------------------ 41
9.2. Before Disassembling the unit ------------------------ 41
9.3. Details of Electrical Adjustment----------------------- 43
9.4. After Adjustment------------------------------------------ 48

10 Maintenance

------------------------------------------------------

49

10.1. Cleaning Lens and LCD Panel ----------------------- 49

11 Block Diagram

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11.1. Overall Block Diagram ---------------------------------- 50
11.2. System Control Block Diagram ----------------------- 51
11.3. Video/Audio Process Block Diagram---------------- 52
11.4. Lens/Flash Block Diagram----------------------------- 53
11.5. Power Block Diagram ----------------------------------- 54

12 Wiring Connection Diagram

---------------------------------

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12.1. Interconnection Diagram ------------------------------- 55

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