Sharp SD-AS10, Руководство по обслуживанию

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SD-AS10
SERVICE MANUAL
In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
No. SX473SDAS10U/
SHARP CORPORATION
CONTENTS
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CHAPTER 1. GENERAL DESCRIPTION
[1] Specifications ................................................. 1-1
[2] Names of parts............................................... 1-2
CHAPTER 2. ADJUSTMENTS
[1] 1-bit section.................................................... 2-1
[2] DVD/CD section ............................................. 2-1
[3] TEST Mode .................................................... 2-1
[4] Description on the Circuits of the 1-Bit Unit
(See the wiring diagrams on pages 6-21,
6-22.).............................................................. 2-6
[5] Confirming and Canceling the Detection
Line of the Protect Circuit............................... 2-7
[6] Protect Circuit Explanation............................. 2-7
CHAPTER 3. MECHANISM BLOCKS
[1] Caution on disassembly ................................. 3-1
[2] DVD Changer mechanism section ................. 3-5
CHAPTER 4. DIAGRAMS
[1] Block diagram ................................................ 4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Notes on schematic diagram .........................5-1
[2] Types of transistor and LED ..........................5-1
[3] Waveforms of 1-BIT circuit ............................5-2
[4] Waveforms of DVD circuit..............................5-3
[5] Voltage...........................................................5-5
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] Wiring side of PWB........................................6-1
[2] Schematic
diagram...................................... 6-11
CHAPTER 7. FLOWCHART
[1] Troubleshooting .............................................7-1
CHAPTER 8. OTHER
[1] Function table of IC .......................................8-1
Parts Guide
SD-AS10
1-BIT DIGITAL HOME THEATER WITH DVD PLAYER
MODEL
SD-AS10 1-Bit Digital Home Theater with DVD Player consist-
ing of SD-AS10 (main unit and amplifier unit), CP-AS10F (front
speakers), CP-AS10C (center speaker), CP-AS10R (surround
speakers) and CP-AS10W (subwoofer).