Sharp SD-AT1000, Service Manual

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SD-AT1000
No. S4336SDAT1000
CONTENTS
Page
IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) ....................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
DISASSEMBLY .................................................................................................................................................................. 6
ADJUSTMENT ................................................................................................................................................................... 9
DESCRIPTION OF CIRCUIT FOR 1-BIT UNIT ................................................................................................................. 9
TO CHECK AND CANCEL PROTECT CIRCUIT DETECTION LINE .............................................................................. 10
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 11
TYPES OF TRANSISTOR AND LED ............................................................................................................................... 11
BLOCK DIAGRAM ........................................................................................................................................................... 12
WIRING SIDE OF P.W.BOARD / SCHEMATIC DIAGRAM ............................................................................................. 22
VOLTAGE ........................................................................................................................................................................ 41
WAVEFORMS OF 1-BIT CIRCUIT .................................................................................................................................. 42
FUNCTION TABLE OF IC ................................................................................................................................................ 43
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING OF THE SET (FOR U.S.A. ONLY)
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
1-BIT DIGITAL HOME THEATER
MODEL
SD-AT1000
SD-AT1000 1-Bit Digital Home Theater consisting of
SD-AT1000 (main unit), CP-AT1000F (front speakers),
CP-AT1000C (center speaker), CP-AT1000R (surround
speakers) and CP-AT1000SW (subwoofer).