MD-X7H
MD-X7H
SERVICE MANUAL
SHARP CORPORATION
No. SX786MDX7H///
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-X7H has almost the same structure as the
former model MD-X8H except for some outer parts, Keyboard
Input/PC control circuit, and so only these parts are here described.
When servicing the MD-X7H, please refer to the already issued
service manual for MD-X8H (S0779MDX8H///) as well as this
service manual.
DIFFERENCE BETWEEN MD-X8H AND MD-X7H
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-X7H
MD-X8H
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
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
—
Содержание MD-X7H
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