Service manual

CD-DV999W
SERVICE MANUAL
NTSC/PAL
No. S6447CDDV777W
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] Mechanism section ........................................ 2-1
[2] Tuner section ................................................. 2-1
[3] DVD/CD section ............................................. 2-2
[4] TEST Mode .................................................... 2-2
[5] CD Changer mechanism section ................. 2-10
CHAPTER 3. MECHANISM BLOCKS
[1] Caution on diassembly................................... 3-1
[2] Removing and reinstalling the main parts ........ 3-4
CHAPTER 4. DIAGRAMS
[1] Block diagrams............................................... 4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Notes on schematic diagram .........................5-1
[2] Types of transistor and LED ..........................5-1
[3] Waveforms of DVD circuit..............................5-2
[4] Voltage...........................................................5-3
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] Schematic diagram........................................6-1
[2] Wiring side of PWB......................................6-16
CHAPTER 7. FLOWCHART
[1] Troubleshooting .............................................7-1
CHAPTER 8. OTHERS
[1] Function table of IC .......................................8-1
[2] FL Display....................................................8-16
Parts Guide
In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
MINI COMPONENT SYSTEM
CD-DV777W
MODEL
CD-DV777W DVD Mini System consisting of CD-DV777W (main unit)
and CP-DV777 (speaker system).
DVD MINI SYSTEM
CD-DV999W
MODEL
CD-DV999W DVD Mini System consisting of CD-DV999W (main unit)
and CP-DV999 (speaker system).
DVD MINI SYSTEM
Illustration: CD-DV777W
Illustration: CD-DV999W