MD-R3H
– 1 –
• 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.
MD-R3H
CONTENTS
Page
SAFETY PRECATION FOR SERVICE MANUAL .................................................................................................................. 2
IMPORTANT SERVICE NOTES (FOR UK ONLY) ................................................................................................................ 3
SPECIFICATIONS ................................................................................................................................................................. 3
NAMES OF PARTS ............................................................................................................................................................... 4
OPERATION MANUAL .......................................................................................................................................................... 5
DISASSEMBLY ...................................................................................................................................................................... 8
REMOVING AND REINSTALLING THE MAIN PARTS ....................................................................................................... 11
ADJUSTMENT ..................................................................................................................................................................... 14
EXPLANATION OF ERROR DISPLAY ................................................................................................................................ 29
EXPLANATION OF MECHANISM ERROR ......................................................................................................................... 30
NOTES ON SCHEMATIC DIAGRAM .................................................................................................................................. 33
BLOCK DIAGRAM ............................................................................................................................................................... 34
SCHEMATIC DIAGRAM/WIRING SIDE OF P.W.BOARD ................................................................................................... 40
VOLTAGE (MD MAIN PWB) ................................................................................................................................................ 58
WAVEFORMS OF CD CIRCUIT .......................................................................................................................................... 59
WAVEFORMS OF MD CIRCUIT .......................................................................................................................................... 60
TROUBLE SHOOTING ........................................................................................................................................................ 62
FUNCTION TABLE OF IC .................................................................................................................................................... 71
PARTS GUIDE/EXPLODED VIEW
PACKING METHOD (FOR UK ONLY)
SERVICE MANUAL
SHARP CORPORATION
No. S1803MDR3H///
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
• Note for users in UK
Recording and playback of any material may require consent
which SHARP is unable to give. Please refer particularly to the
provisions of Copyright Act 1956, the Dramatic and Musical
Performers Protection Act 1956, the Perfmers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.