Panasonic DMR-EX77EG - Page 39

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10.1.3. Checking and Repairing of Main P.C.B.

DMR-EX77EG / DMR-EX77EC / DMR-EX77EC1 / DMR-EX77EB / DMR-EX87EG / DMR-EX87EC / DMR-EX87EC1 / DMR-EX87EB

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Table of Contents2
Safety Precaution3
General Guidelines3
Warning4
Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices4
Precaution of Laser Diode5
Service Caution Based on Legal Restrictions6
Service Navigation7
Service Information7
Caution for DIVX (Except EB)7
Specifications8
Location of Controls and Components10
Operation Instructions12
Taking out the Disc from DVD-Drive Unit When the Disc Cannot be Ejected by OPEN/CLOSE Button12
Service Mode15
Self-Diagnosis and Special Mode Setting15
Service Fixture & Tools27
Disassembly and Assembly Instructions28
Disassembly Flow Chart28
Positions29
Top Cover30
Front Panel30
Hdd, Atapi P.C.b31
Ram/Digital P.C.B. Module33
SD/DV Jack P.C.B34
Rear Panel34
Power P.C.B35
Hdmi P.C.b35
Backend P.C.B35
Main P.C.B., Front Jack P.C.B. and Front (L)36
Measurements and Adjustments37
Service Positions37
Caution for Replacing Parts41
Standard Inspection Specifications after Making Repairs43
Block Diagram45
Power Supply Block Diagram45
Analog Video Block Diagram47
Analog Audio Block Diagram48
Analog Timer Block Diagram49
HDMI Block Diagram50
Schematic Diagram51
Interconnection Schematic Diagram51
Power Supply Schematic Diagram52
Main Net (1/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M)53
Main Net (2/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M)54
Main Net (3/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M)55
Main Net (4/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M)56
AV I/O (1/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV)58
AV I/O (2/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV)59
AV I/O (3/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV)60
AV I/O (4/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV)61
Tuner Section (Main P.C.B. (3/4)) Schematic Diagram (TU)63
Timer (1/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T)65
Timer (2/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T)66
Timer (3/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T)67
Timer (4/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T)68
HDMI Schematic Diagram69
DV Jack/Sd Card Schematic Diagram70
Front Jack Schematic Diagram70
Front (L) Schematic Diagram70
ATAPI Schematic Diagram71
Printed Circuit Board73
Power73
Main74
Hdmi P.C.b79
Front Jack P.C.B. and Front (L) P.C.B80
DV Jack and SD Card P.C.B81
Atapi P.C.b82
Appendix For Schematic Diagram83
Voltage and Waveform Chart83
Parts and Exploded Views90
Exploded Views90
Replacement Parts List92

Panasonic DMR-EX77EG - Page 39

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