Panasonic DMR-PWT550GL, Service Manual

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TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 5
1.1. General Guidelines ----------------------------------------5
2 Warning -------------------------------------------------------------- 6
2.1. Prevention of Electro Static Discharge (ESD)
to Electrostatically Sensitive (ES) Devices ----------6
2.2. Precaution of Laser Diode -------------------------------7
2.3. Service caution based on Legal restrictions---------8
3 Service Navigation ------------------------------------------------ 9
3.1. External HDD (USB HDD) -------------------------------9
3.2. How to format for HDD when replacement of
HDD or Main P.C.B. ------------------------------------- 12
3.3. Combination of Multiple Pressing on the
Remote Control------------------------------------------- 13
3.4. Entering Special Modes with Combination of
Multiple Pressing on the Remote Control ---------- 13
3.5. Micro Fuse conducting check ------------------------- 15
3.6. Operation check when a USB device is
connected -------------------------------------------------- 16
3.7. (HDD/BD Drive) Service Navigation----------------- 17
3.8. Wi-Fi Module (Internal) Malfunction Check
(Simplified Method) -------------------------------------- 19
3.9. Check with Tuner Service Mode --------------------- 21
3.10. Description of the Self Diagnosis <Operation
Method, Details> ----------------------------------------- 25
4 Specifications ---------------------------------------------------- 31
5 Location of Controls and Components ------------------ 33
6 Installation Instructions --------------------------------------- 36
6.1. Taking out the Disc from BD-Drive Unit when
the Disc cannot be ejected by [OPEN/CLOSE]
button-------------------------------------------------------- 36
7 Service Mode ----------------------------------------------------- 37
7.1. Self-Diagnosis and Special Mode Setting---------- 37
8 Service Fixture & Tools --------------------------------------- 57
9 Disassembly and Assembly Instructions --------------- 58
9.1. Disassembly flow chart --------------------------------- 58
9.2. P.C.B. Positions------------------------------------------- 58
9.3. Top Case --------------------------------------------------- 59
9.4. Front Panel Ass'y ---------------------------------------- 59
9.5. Wi-Fi Module , HDD and SATA P.C.B. -------------- 61
9.6. BD Drive ---------------------------------------------------- 62
9.7. Rear Panel and Fan Motor ---------------------------- 63
9.8. Main P.C.B. ------------------------------------------------ 63
9.9. Tuner P.C.B. ----------------------------------------------- 63
9.10. Digital P.C.B. ---------------------------------------------- 64
9.11. BD Drive ---------------------------------------------------- 64
10 Measurements and Adjustments -------------------------- 70
10.1. Service Positions ----------------------------------------- 70
10.2. Caution for Replacing Parts --------------------------- 75
10.3. Standard Inspection Specifications after
Making Repairs ------------------------------------------- 76
11 Block Diagram --------------------------------------------------- 77
11.1. Power Supply Block Diagram ------------------------- 77
11.2. Analog Timer Block Diagram-------------------------- 78
11.3. Digital P.C.B. Block Diagram (1/2) ------------------- 79
11.4. Digital P.C.B. Block Diagram (2/2) ------------------- 80
11.5. Digital P.C.B. Regulator Block Diagram ------------ 81
12 Wiring Connection Diagram --------------------------------- 82
12.1. Interconnection Schematic Diagram ---------------- 82