The Service Manual is for the SD-NX10, which is a minor-modification model of the SD-SG11. This manual, therefore, describes only the
changed points from the service manual. Please refer to the SD-SG11 service manual (S9165SDSG11//) together with this manual.
SD-SG11
WIRING PROCESS DIAGRAM ........................................................................................................................................................................ 19
ADJUSTMENT .................................................................................................................................................................................................. 19
ERROR MESSAGE LIST .................................................................................................................................................................................. 29
EEPROM WRITING PROCEDURE .................................................................................................................................................................. 30
DESCRIPTION OF CIRCUIT FOR 1-BIT UNIT ................................................................................................................................................ 32
TEST MODE ..................................................................................................................................................................................................... 34
WAVEFORMS OF 1-BIT CIRCUIT ................................................................................................................................................................... 75
WAVEFORMS OF MD CIRCUIT ...................................................................................................................................................................... 76
CD OPTICAL PICKUP LENS CLEANING ........................................................................................................................................................ 78
TROUBLESHOOTING ...................................................................................................................................................................................... 79
FUNCTION TABLE OF IC ................................................................................................................................................................................. 83
FL DISPLAY ...................................................................................................................................................................................................... 96
SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
OPERATION MANUAL ...................................................................................................................................................... 6
DISASSEMBLY ................................................................................................................................................................ 11
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 15
TYPES OF TRANSISTOR AND LED ............................................................................................................................... 15
BLOCK DIAGRAM ........................................................................................................................................................... 16
WIRING SIDE OF P.W.BOARD ....................................................................................................................................... 23
SCHEMATIC DIAGRAM .................................................................................................................................................. 34
VOLTAGE ........................................................................................................................................................................ 48
FUNCTION TABLE OF IC ................................................................................................................................................ 49
PARTS GUIDE/EXPLODED VIEW
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
1-BIT DIGITAL AUDIO SYSTEM
MODEL
SD-NX10 1-bit Digital Audio System consisting of SD-NX10 (MD/
CD/TUNER unit), SD-NX10 (amplifier unit) and CP-NX10 (speaker
system).
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
The power of this unit is supplied from the amplifying unit via the
system connection cable. It does not operate by itself.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SD-NX10
No. S0167SDNX10///
SD-NX10
Page