Hitachi DVDS 163 Service Manual

This is the 72 pages manual for Hitachi DVDS 163 Service Manual.
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Extracted text from Hitachi DVDS 163 Service Manual (Ocr-read)

Page 1

Contents - 1 Table of Contents 1 Safety Precaution for Repair............ 1-1 1-1 Cautions .................................................. 1-1 1-2 Electrostatic Protection Measures ........... 1-2 1-3 Cautions When Handling DVD Drive ....... 1-2 1-4 Cautions When Handling HDD ................ 1-3 1-5 Lead-Free Solder ..................................... 1-4 1-6 Notes When Using Service Manual ......... 1-5 2 General Description .......................... 2-1 2-1 Overview ................................................. 2-1 2-1-1 Service method .................................... 2-1 2-1-2 Disc information .................................... 2-2 2-2 Speciﬁ cations .......................................... 2-4 2-3 Major Differences from Previous Model .. 2-5 2-4 Function Differences from Previous Model ....................................... 2-6 2-5 Names of Parts ........................................ 2-7 2-6 HDMI Connection .................................... 2-10 2-7 List of Abbreviations and Terms for DVD Recorder .................................................. 2-11 3 Details of Servicing and Troubleshooting ................................ 3-1 3-1 How to Remove Disc from Faulty Recorder .................................................. 3-1 3-2 Initialization .............................................. 3-2 3-2-1 Factory Set .......................................... 3-2 3-2-2 HDD Format ........................................ 3-2 3-3 Troubleshooting HDD .............................. 3-3 3-4 Checking Versions of Firmware and Updating ................................................. 3-4 3-4-1 Version check procedure ...................... 3-4 3-4-2 Method of starting up ﬁ rmware update program ................................................ 3-4 3-4-3 Main ﬁ rmware updating procedure ...... 3-5 3-4-4 Loader ﬁ rmware updating procedure .. 3-6 3-4-5 Main/Loader ﬁ rmware simultaneous updating procedure .............................. 3-6 3-5 Troubleshooting ....................................... 3-7 3-5-1 Troubleshooting electronic system ....... 3-7 4 Disassembly and Reassembly......... 4-1 4-1 Order of Disassembly .............................. 4-1 4-2 Disassembly ............................................ 4-2 (1) Top Cover, Fan .......................................... 4-2 (2) Front Block ................................................ 4-3 (3) TIMER-1 P.C.B, TIMER-2 P.C.B, Front Panel ................................................ 4-3 (4) MAIN P.C.B ............................................... 4-4 (5) Power Cable, SMPS P.C.B ........................ 4-5 (6) HDMI Block, HDMI P.C.B .......................... 4-6 (7) Front Frame, DVD Block, DVD Drive Unit, LOADER P.C.B .......................................... 4-7 (8) HDD Block, HDD P.C.B, HDD ................... 4-8 (9) CARD P.C.B .............................................. 4-9 (10) I/O P.C.B .................................................. 4-10 (11) Rear Panel .............................................. 4-10 5 Exploded View and Parts List .......... 5-1 5-1 Exploded View ......................................... 5-1 5-2 Parts List ................................................. 5-2 S Schematic, Wiring Diagrams ............ S-1 S-1 Wiring Diagram ........................................ S-1 S-2 SMPS Schematic Diagram ...................... S-2 S-3 POWER Schematic Diagram (I/O P.C.B) .... S-3 S-4 TUNER/SYSTEM Schematic Diagram (I/O P.C.B) ................................................ S-4 S-5 JACK Schematic Diagram (I/O P.C.B) ...... S-5 S-6 DECODER Schematic Diagrams (I/O P.C.B) ................................................ S-6 S-7 TIMER-1,TIMER-2 Schematic Diagram (TIMER-1,TIMER-2 P.C.B) ....................... S-7 S-8 HDMI Schematic Diagram (HDMI P.C.B) ..S-8 - TO BE ADDED - S-9 Circuit Waveforms .................................... S-9 S-10 Circuit Voltage Chart .............................. S-10 C Circuit Board Diagrams .................... C-1 C-1 I/O Circuit Board Diagram ....................... C-1 C-2 SMPS Circuit Board Diagram .................. C -3 C-3 TIMER-1 Circuit Board Diagram .............. C- 3 C-4 TIMER-2 Circuit Board Diagram .............. C- 3 C-5 HDMI Circuit Board Diagram ................... C- 4 C-6 HDD Circuit Board Diagram .................... C- 4

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Contents - 2 B Block Diagrams ................................. B-1 B-1 Overall Block Diagram ............................. B-1 B-2 SMPS Circuit Block Diagram ................... B-2 B-3 POWER (I/O Board) Circuit Block Diagram ................................................... B-3 B-4 AUDIO/VIDEO Circuit Block Diagram ...... B-4 B-5 SYSTEM Circuit Block Diagram .............. B-5