Sharp MD-X7, Service Manual

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MD-X7
MD-X7
SERVICE MANUAL
SHARP CORPORATION
No. SX787MDX7////
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
This new model MD-X7 has almost the same structure as the
former model MD-X8 except for some outer parts, Keyboard
Input/PC control circuit, and so only these parts are here described.
When servicing the MD-X7, please refer to the already issued
service manual for MD-X8 (S0778MDX8////) as well as this
service manual.
DIFFERENCE BETWEEN MD-X8 AND MD-X7
MARK: SPARE PARTS-DELIVERY SECTION
• 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-X7 MD-X8
PART NO. PART NO.
DESCRIPTION REF.
NO.
CODE
INTEGRATED CIRCUITS
IC440 VHiNJM4558D-1 J Not used Input Selector, NJM4558D —
IC602~604 VHGPC910///-1 J Not used PC Controll, PC910 —
IC605 VHiTC7WU04F-1 J Not used PC Controll, TC7WU04F —
IC901 RH-iX2679AFZZ J RH-iX2717AFZZ J System Control Micon, IX2717AF BH
US and foreign patents licensed from Dolby Laboratories Licensing
Corporation.
TRANSISTORS
Q603 VSKTA1266GR-1 J Not used Silicon, PNP, KTA1266 GR —
Q702 VSKRA107M//-1 J Not used Digital, PNP, KRA107 M —
COILS
L411~413 VP-DH2R2M0000 J Not used 2.2
µ
H, Choke —
CAPACITORS
C410 VCTYMN1EF223Z J Not used 0.022
µ
F, 25V —
C411, 412 VCTYMN1CX122K J Not used 0.0012
µ
F, 16V —
C437, 438 VCTYMN1CX822K J Not used 0.0082
µ
F, 16V —
C439, 440 VCTYMN1CX222K J Not used 0.0022
µ
F, 16V —
C441, 442 VCKYMN1HB471K J Not used 470 pF, 50V —
C443, 444 RC-GZA226AF1H J Not used 22
µ
F, 50V, Electrolytic —
C445, 446 RC-GZA225AF1H J Not used 2.2
µ
F, 50V, Electrolytic —
C448, 449 VCTYMN1EF223Z J Not used 0.022
µ
F, 25V —
C639 VCTYMN1EF223Z J Not used 0.022
µ
F, 25V —
C640, 641 VCQYKA1HM104J J Not used 0.1
µ
F, 50V, Mylar —
C642 VCTYMN1EF223Z J Not used 0.022
µ
F, 25V —
C650 VCQYKA1HM104J J Not used 0.1
µ
F, 50V, Mylar —
RESISTORS
R415, 416 VRD-MN2BD272J J Not used 2.7 kohms, 1/8W —
R417, 418 VRD-MN2BD473J J Not used 47 kohms, 1/8W —
R435, 436 VRD-MN2BD394J J Not used 390 kohms, 1/8W —
R437, 438 VRD-MN2BD333J J Not used 33 kohms, 1/8W —
R439, 440 VRD-MN2BD392J J Not used 3.9 kohms, 1/8W —
R441, 442 VRD-MN2BD102J J Not used 1 kohm, 1/8W —
R445, 446 VRD-ST2EE331J J Not used 330 ohms, 1/4W —
R447, 448 VRD-MN2BD102J J Not used 1 kohm, 1/8W —
DIODE
ZD601 VHEUZ5R1BSB-1 J Not used Zener, 5.1V, UZ5.1BSB —