DMP-BDT130EE, DMP-BDT330EE - Panasonic DVD Service Manual (repair manual). Page 2

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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

2 Warning --------------------------------------------------------------4

2.1. Prevention of Electrostatic Discharge (ESD)

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

2.2. Caution for AC Cord (For EB)---------------------------5
2.3. Precaution of Laser Diode -------------------------------6
2.4. General Description About Lead Free Solder

(PbF) ----------------------------------------------------------7

2.5. Static Electricity Protection Measures ----------------8
2.6. Ground for electrostatic breakdown

prevention ----------------------------------------------------8

3 Service Navigation------------------------------------------------9

3.1. Service Infomation -----------------------------------------9

4 Specifications ---------------------------------------------------- 10

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

5 Location of Controls and Components------------------ 14
6 Operating Instructions ---------------------------------------- 15

6.1. Taking out the Disc from Drive Unit when the

Disc cannot be ejected by OPEN/CLOSE
button-------------------------------------------------------- 15

6.2. Micro Fuse Conducting Check------------------------ 16

7 Service Mode ----------------------------------------------------- 17

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

7.3. About the Service Mode-------------------------------- 20
7.4. Service Mode List ---------------------------------------- 21
7.5. Self-Diagnostics Functions ---------------------------- 25

8 Service Fixture & Tools --------------------------------------- 27
9 Disassembly and Assembly Instructions--------------- 28

9.1. Unit----------------------------------------------------------- 28
9.2. Drive Unit--------------------------------------------------- 33
9.3. Disassembly from the traverse unit, assembly

of the optical pick-up unit, and precautions on
ESD-preventive------------------------------------------- 36

9.4. Grease and Clean-up ----------------------------------- 39

10 Measurements and Adjustments -------------------------- 42

10.1. Service Positions ----------------------------------------- 42
10.2. Adjustment of Drive Unit ------------------------------- 44
10.3. Caution for Replacing Parts --------------------------- 46

11 Block Diagram --------------------------------------------------- 47

11.1. Overall Block Diagram---------------------------------- 47
11.2. Power Supply Circuit Block Diagram --------------- 48
11.3. BD Digital P.C.B. Regulator Circuit Block

Diagram ---------------------------------------------------- 49

11.4. Digital (Front End Section) Circuit Block

Diagram ---------------------------------------------------- 50

11.5. Digital (Back End Section ) Circuit Block

Diagram ---------------------------------------------------- 51

12 Wiring Connection Diagram -------------------------------- 52

12.1. Interconnection Diagram------------------------------- 52