Sharp BD-HP90S, Service Manual, Page: 1 / 42

SERVICE MANUAL
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.
SAFETY PRECAUTION
IMPORTANT SERVICE NOTES .........................i
Precautions for using lead-free solder .............. iii
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS ......................................... 1-1
CHAPTER 2. OPERATION MANUAL
[1] PARTS NAMES.............................................. 2-1
CHAPTER 3. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS ................... 3-1
[2] IMPORTAMT SERVICE NOTICE................... 3-3
[3] SOFTWARE UPDATE FROM USB MEMO-
RY DEVICE.................................................... 3-3
CHAPTER 4. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE (MAIN
PWB).............................................................. 4-1
CHAPTER 5. BLOCK DIAGRAM
[1] BLOCK DIAGRAM ......................................... 5-1
CHAPTER 6. PRINTED WIRING BOARD ASSEM-
BLIES
[1] MAIN PWB ..................................................... 6-1
[2] LED/OPERATION PWB ................................. 6-5
CHAPTER 7. SCHEMATIC DIAGRAMS
[1] MAIN (1) CIRCUIT SCHEMATIC DIA-
GRAM............................................................7-1
[2] MAIN (2) CIRCUIT SCHEMATIC DIA-
GRAM............................................................7-2
[3] MAIN (3) CIRCUIT SCHEMATIC DIA-
GRAM............................................................7-3
[4] MAIN (4) CIRCUIT SCHEMATIC DIA-
GRAM............................................................7-4
[5] MAIN (5) CIRCUIT SCHEMATIC DIA-
GRAM............................................................7-5
[6] LED CIRCUIT SCHEMATIC DIAGRAM ........7-6
[7] OPERATION CIRCUIT SCHEMATIC DIA-
GRAM............................................................7-7
Parts Guide
TopPage
CONTENTS
BD-HP90S
No. S90K6BDHP90S/
BLU-RAY DISC/DVD PLAYER
MODEL
BD-HP90S
In the interests of user-safety (Required by safety regulation in some countries) the set should be restored to its
original condition and only parts identical to those specified should be used.