HR-MB3
SERVICE MANUAL
No. XXXXXXXXXXXXX
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
Mode .................................................... 2-1
[2] Error History Display ...................................... 2-2
[3] Error Code List ............................................... 2-3
[4] Updating the firmware .................................... 2-4
[5] Replacing the HDD unit.................................. 2-4
[6] Downloading the latest firmware .................... 2-4
diassembly................................... 3-1
diagram ................................................ 4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Notes on schematic diagram.......................... 5-1
[2] Types of transistor.......................................... 5-1
[3] Waveforms
circuit....................................... 5-2
[4] Voltage ........................................................... 5-3
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
diagram........................................6-1
[2] Wiring side of PWB......................................6-13
[1] Troubleshooting .............................................7-1
[1] Function table of IC .......................................8-1
PORTABLE JUKEBOX
MODEL
HR-MB3(S)
Summary of Contents for HR-MB3
Page 13: ...HR MB3 5 4 MEMO ...
Page 38: ...HR MB3 8 9 MEMO ...