Panasonic DMP-BD77GA, Service Manual

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TABLE OF CONTENTS

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PAGE

1 Safety Precautions

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3

1.1. General Guidelines ----------------------------------------3
1.2. Leakage Current Cold Check ---------------------------3
1.3. Leakage Current Hot Check (See Figure 1.)--------3

2 Warning

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2.1. Prevention of Electrostatic Discharge (ESD)

to Electrostatically Sensitive (ES) Devices ----------4

2.2. Caution for AC Cord (For GC) --------------------------5
2.3. Precaution of Laser Diode -------------------------------6
2.4. Static Electricity Protection Measures ----------------7
2.5. Ground for electrostatic breakdown

prevention ----------------------------------------------------7

3 Service Navigation

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3.1. Service Information ----------------------------------------8
3.2. How to Update Firmware---------------------------------8
3.3. Caution for DivX (For PH/PU/GA/GC/GJ/GN/

GT/GW) ----------------------------------------------------- 10

4 Specifications

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4.1. Others (Licenses) ---------------------------------------- 12

5 Location of Controls and Components

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6 Operating Instructions

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6.1. Taking out the Disc from Drive Unit when the

Disc cannot be ejected by OPEN/CLOSE
button-------------------------------------------------------- 16

7 Multiple Pressing Function

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7.1. About the Multiple Pressing of the Unit’s

Remote Control------------------------------------------- 17

7.2. How to enter the Special Modes using the

Multiple Pressing Function of the Unit’s
Remote Control------------------------------------------- 17

8 Service Mode

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8.1. About the Service Mode-------------------------------- 20
8.2. Service Mode List ---------------------------------------- 21

9 Troubleshooting Guide

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9.1. About Operation of Set --------------------------------- 24
9.2. About Circuit----------------------------------------------- 25

10 Wiring Connection and Voltage Data

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11 Disassembly and Assembly Instructions

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11.1. Unit----------------------------------------------------------- 30
11.2. When Replacing the Mechanism Unit and/or

Digital P.C.B. ---------------------------------------------- 34

12 Exploded View and Replacement Parts List

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12.1. Casing Parts & Mechanism Section ----------------- 35
12.2. Packing & Accessories Section ---------------------- 36
12.3. Replacement Parts List --------------------------------- 37