Panasonic DMR-EH495EGA, Service Manual

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TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 3
1.1. General guidelines -----------------------------------------3
2 Warning -------------------------------------------------------------- 4
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatic Sensitive (ES) Devices ---------------4
2.2. Precaution of Laser Diode -------------------------------5
2.3. Service caution based on legal restrictions----------6
3 Service Navigation ------------------------------------------------ 7
3.1. Service Information ----------------------------------------7
3.2. About DMR-EH49A/EH59A/EX79A Series ----------7
3.3. Caution for DivX --------------------------------------------8
3.4. Operation check when a USB device is
connected ----------------------------------------------------9
4 Specifications ---------------------------------------------------- 10
5 Location of Controls and Components ------------------ 13
6 Operating Instructions ---------------------------------------- 15
6.1. Taking out the Disc from DVD-Drive Unit when
the Disc cannot be ejected by OPEN/CLOSE
button-------------------------------------------------------- 15
7 Service Mode ----------------------------------------------------- 17
7.1. Self-Diagnosis and Special Mode Setting---------- 17
8 Service Fixture & Tools --------------------------------------- 32
9 Disassembly and Assembly Instructions --------------- 33
9.1. Disassembly Flow Chart-------------------------------- 33
9.2. P.C.B. Positions------------------------------------------- 33
9.3. Top Case --------------------------------------------------- 34
9.4. Front Panel ------------------------------------------------ 34
9.5. Front (L) P.C.B., Front (R) P.C.B. -------------------- 35
9.6. HDD --------------------------------------------------------- 35
9.7. Rear Panel, Fan Motor --------------------------------- 36
9.8. RAM/Digital P.C.B. Module---------------------------- 36
9.9. Power P.C.B.---------------------------------------------- 38
9.10. Main P.C.B.------------------------------------------------ 38
9.11. Backend P.C.B.------------------------------------------- 38
10 Measurements and Adjustments -------------------------- 39
10.1. Service Positions ---------------------------------------- 39
10.2. Caution for Replacing Parts--------------------------- 43
10.3. Standard Inspection Specifications after
Making Repairs------------------------------------------- 45