Hitachi HTDK 160 Service Manual
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Page 1
TK No.9211E
HITACHI
SERVICE MANUAL
HTD-K160(S)
% @Ug COMPACT @COMPACT @é
v I D E o m DIGITAL AUDIO VIDEO CD
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
DVD DIGITAL THEATER SYSTEM
December 2002 Digital Media Division, Tokai
Page 2
CONTENTS
1 GENERAL INFORMATION
1»1 SPECIFICATIONS .......
1»2 CONTROLLING VERSION OF FIRMWARE ..
1-3 REPAIR INSTRUCTIONS
.. 1»1
..1»1
.. 1»2
..1»3
2 EXPLODED VIEW .........
2-1 MAIN UNIT SECTION.
22 SUBWOOFER SECTION
3 REPLACEMENT PARTS LIST ............................................. 31
(H MECHANICAL PARTS LIST ............................................ 34
3-1-1 MAIN UNIT SECTION .....
3-1-2 SUBWOOFER SECTION
32 ELECTRICAL PARTS LIST
3-2-1 MAIN UNIT SECTION ..
TUNER ............................
RGB ............
KEY PANEL ..
POWER .......................................................................... 34
MAIN ......................................
3-2-2 SUBWOOFER SECTION
AMP & JACK .................................................................. 3»8
POWER .......................................................................... 3-8
SCHEMATIC, CIRCUIT BOARD AND BLOCK DIAGRAMS
1 WIRING DIAGRAMS .........................................................
1»1 MAIN UNIT SECTION
12 SUBWOOFER SECTION ..
2 SCHEMATIC DIAGRAMS
21 MAIN UNIT SECTION
TUNER ..........................
RGB ....................................................................................... 4
KEY PANEL, PHONE JACK & POWER SW.
POWER .....................................................
MAIN .................................
2-2 SUBWOOFER SECTION ..
AMP & JACK .....................
POWER ..................
3 IC BLOCK DIAGRAMS .. .
4 CIRCUIT BOARD DIAGRAMS ................................................ 18
41 MAIN UNIT SECTION
TUNER ..........................
RGB ...........................................................
KEY PANEL, PHONE JACK & POWER SW..
POWER .....................................................
MAIN .................................
4»2 SUBWOOFER SECTION ..
AMP & JACK .....................
POWER ...............
5 BLOCK DIAGRAMS .. ..
5-1 MAIN UNIT SECTION ...................................................... 27
5-2 SUBWOOFER SECTION ................................................. 28
-l PRODUCTSAFETYNOTICE I
CORPORATION.
Many electrical and mechanical parts have special safety-related characteristics. These are often not evident from visual
inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for a
higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this
Service Manual. Electrical components having such features are identified by marking with a A on the schematics and
the parts list in this Service Manual. The use of a substitute replacement component which does not have the same
safety characteristics as the HITACHI recommended replacement one. shown in the parts list in this Service Manual, may
create shock, fire. or other hazards. Product safety is continuously under review and new instructions are issued from
time to time. For the latest information, always consult the current HITACHI Service Manual. A subscription to, or
additional copies for. HITACHI Service Manual may be obtained at a nominal charge from HITACHI SALES
LASER RADIATION
CLASS 1
LASER PRODUCT