Panasonic DMP-BD79GA, Service Manual, Page: 4 / 81

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TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 5
1.1. General guidelines -----------------------------------------5
1.2. Caution for fuse replacement ---------------------------5
1.3. Caution for AC cord (Only for BD79GC) -------------7
2 Warning -------------------------------------------------------------- 8
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatic Sensitive (ES) Devices ---------------8
2.2. Precaution of Laser Diode -------------------------------9
2.3. Service caution based on legal restrictions-------- 10
3 Service Navigation ---------------------------------------------- 11
3.1. Combination of Multiple Pressing on the
Remote Control------------------------------------------- 11
3.2. The display position of TV ----------------------------- 11
3.3. Entering Special Modes with Combination of
Multiple Pressing on the Remote Control ---------- 11
3.4. How to Update Firmware------------------------------- 13
4 Specifications ---------------------------------------------------- 15
5 Location of Controls and Components ------------------ 16
6 Operating Instructions ---------------------------------------- 18
6.1. Taking out the Disc from BD-Drive Unit when
the Disc cannot be ejected by OPEN/CLOSE
button-------------------------------------------------------- 18
7 Service Mode ----------------------------------------------------- 19
7.1. Special Mode Setting and Service mode----------- 19
8 Service Fixture & Tools --------------------------------------- 31
9 Disassembly and Assembly Instructions --------------- 32
9.1. Unit----------------------------------------------------------- 32
9.2. BD Drive---------------------------------------------------- 35
9.3. Disassembly from the traverse unit, assembly
of the optical pick-up unit, and precautions on
ESD-preventive------------------------------------------- 39
9.4. Adjustment of BD Drive--------------------------------- 43
10 Measurements and Adjustments -------------------------- 45
10.1. Service Positions ----------------------------------------- 45
10.2. Caution for Replacing Parts --------------------------- 47
11 Block Diagram --------------------------------------------------- 48
11.1. Overall Block Diagram ---------------------------------- 48
11.2. Power Supply Block Diagram ------------------------- 49
11.3. Digital P.C.B. Regulator Block Diagram ------------ 50
11.4. Digital (Back End Section) Block Diagram--------- 51
11.5. Digital (Front End Section) Block Diagram -------- 52
12 Wiring Connection Diagram --------------------------------- 53
12.1. Interconnection Schematic Diagram ---------------- 53
13 Appendix Information of Schematic Diagram --------- 54
13.1. Waveform Chart ------------------------------------------ 54