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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
PART NO.
REF.
NO.
MD-X8
INTEGRATED CIRCUITS
IC440
VHiNJM4558D-1
IC602~604
VHGPC910///-1
IC605
VHiTC7WU04F-1
IC901
RH-iX2679AFZZ
TRANSISTORS
Q603
VSKTA1266GR-1
Q702
VSKRA107M//-1
DIODE
ZD601
VHEUZ5R1BSB-1
COILS
L411~413
VP-DH2R2M0000
CAPACITORS
C410
VCTYMN1EF223Z
C411, 412
VCTYMN1CX122K
C437, 438
VCTYMN1CX822K
C439, 440
VCTYMN1CX222K
C441, 442
VCKYMN1HB471K
C443, 444
RC-GZA226AF1H
C445, 446
RC-GZA225AF1H
C448, 449
VCTYMN1EF223Z
C639
VCTYMN1EF223Z
C640, 641
VCQYKA1HM104J
C642
VCTYMN1EF223Z
C650
VCQYKA1HM104J
RESISTORS
R415, 416
VRD-MN2BD272J
R417, 418
VRD-MN2BD473J
R435, 436
VRD-MN2BD394J
R437, 438
VRD-MN2BD333J
R439, 440
VRD-MN2BD392J
R441, 442
VRD-MN2BD102J
R445, 446
VRD-ST2EE331J
R447, 448
VRD-MN2BD102J
MARK: SPARE PARTS-DELIVERY SECTION
SERVICE MANUAL
PART NO.
MD-X7
J
Not used
J
Not used
J
Not used
J
RH-iX2717AFZZ
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
J
Not used
SHARP CORPORATION
• 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.
US and foreign patents licensed from Dolby Laboratories Licensing
Corporation.
DESCRIPTION
Input Selector, NJM4558D
PC Controll, PC910
PC Controll, TC7WU04F
J
System Control Micon, IX2717AF
Silicon, PNP, KTA1266 GR
Digital, PNP, KRA107 M
Zener, 5.1V, UZ5.1BSB
2.2 µH, Choke
0.022 µF, 25V
0.0012 µF, 16V
0.0082 µF, 16V
0.0022 µF, 16V
470 pF, 50V
22 µF, 50V, Electrolytic
2.2 µF, 50V, Electrolytic
0.022 µF, 25V
0.022 µF, 25V
0.1 µF, 50V, Mylar
0.022 µF, 25V
0.1 µF, 50V, Mylar
2.7 kohms, 1/8W
47 kohms, 1/8W
390 kohms, 1/8W
33 kohms, 1/8W
3.9 kohms, 1/8W
1 kohm, 1/8W
330 ohms, 1/4W
1 kohm, 1/8W
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
MD-X7
No. SX787MDX7////
MD-X7
CODE
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Related Manuals for Sharp MD-X7
Summary of Contents for Sharp MD-X7
- Page 1 SERVICE MANUAL No. SX787MDX7//// MD-X7 This new model MD-X7 has almost the same structure as the former model MD-X8 except for some outer parts, Keyboard • 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.
-
Page 2: Cabinet Parts
MD-X7 PART NO. PART NO. REF. DESCRIPTION CODE MD-X8 MD-X7 RESISTORS R640 VRD-MN2BD331J Not used 330 ohms, 1/8W — R642 VRD-MN2BD331J Not used 330 ohms, 1/8W — R643 VRD-MN2BD272J Not used 2.7 kohms, 1/8W — R644, 645 VRD-MN2BD331J Not used 330 ohms, 1/8W —... -
Page 3: Parts Guide
MD-X7 PART NO. PART NO. REF. DESCRIPTION CODE MD-X8 MD-X7 CABINET PARTS JKNBK0045AWSA JKNBK0045AWSB Knob, Mic Volume/Input Level GCOVA1143AWSA GCOVA1143AWSB Cover, Disc Tray 1 GCOVA1144AWSA GCOVA1144AWSB Cover, Disc Tray 2 GCOVA1145AWSA GCOVA1145AWSB Cover, Disc Tray 3 92LCAB2530CS1 92LCAB2678CS1 Cabinet GiTAR0270AWSA... - Page 4 MD-X7 : Eliminated/Change PARTS CNP999 MAIN PWB-A(2/3) B A SEL MODE INPUT SELECTOR IC902 IC902 R931 BU2092F C901 100K IC904 NO. VOLTAGE 390P R905 R932 NO. VOLTAGE DATA 4052A 0.2V R1071 SW12 4.7V R906 4052B 4.8V LCK1 SW11 0.2V DUBB MODE...
- Page 5 MD-X7 R1050 R1052 R1051 2.7K 220K IC901 MODE NO. VOLTAGE C939 R1048 INVERTER 0.01 JK902 IC904 AUX DIGITAL 2 74HC153P INPUT R1049 4.8V ZD901 9 10 11 12 13 14 UZ5.1BSB R1053 0.2V L905 C945 2.2µH 4.7V 4.8V 0.047 4.7V IC905 4.6V...
- Page 6 MD-X7 23 24 25 MAIN PWB-A(3/3) IC522 FM SIGNAL NO. VOLTAGE CD SIGNAL C541 22/25 –10V R587 100K C573 MIC AMP. R569 IC552 R585 C575 NJM4565D 3.9K 22/50 Q553 0.6V – KTC3199 G R551 RMIC MUTE 5.6K C576 22/50 R586 3.9K...
- Page 7 MD-X7 P40 10-H : Eliminated PARTS 33 34 D421 1SS133 D422 1SS133 R431 R429 L421 2.2µH 2.2K L-CH C429 0.7V 330P R427 AUX OUT L423 100K R419 Q423 2.2µH 5.6K R-CH KTC3199 GR Q541, Q542 : CD MUTE C430 TP39 R428 0.7V...
- Page 8 MD-X7 DISPLAY PWB-C VSS(VD) VOUT LCD751 VDD PMODE EXA VSS CK CKS DISPLAY OSC1 OSC0 R751 680K FROM LCD751 P/S SDA SCL LAMP PWB-C1 BACK LIGHT LMP741 LMP742 LMP743 LMP744 RESB RESET VSS-TEST FROM POWER AMP. PWB BL+B(HIGH) BL_GND CNS830...
- Page 9 MD-X7 Y PWB-C6 IC751 ~ IC753 : LCD AMP. IC751 BA10358 – TO MAIN PWB – CNP975 E EXA P40 1-B IC752 BA10358 R759 150K L751 – 4.7µH RESET TO MAIN PWB D GND CNP970 +13R5V P40 1-C IC753 BA10358 L752 4.7µH...
- Page 10 MD-X7 MIC PWB-C7 MIC VOLUME VR601 20K(B) IC601 R611 C621 10/50 NO. VOLTAGE D615 R620 R609 1SS133 1.5K –11.1V C615 R615 Q601 10/50 1.5K KTC3199 GR R603 10.8V MICROPHONE C603 EX_MD-R JK601 220P EX_MD-L C605 R607 220P – AUX_OUT-R TO MAIN PWB...
- Page 11 MD-X7 VR602 JK601 VR601 MICROPHONE INPUT LEVEL VOLUME JK901 HEADPHONES C646 Q601 D615 2 3 4 IC601 J644 8 7 6 5 C615 C614 R624 BI151/CNS151 R623 BI630/CNS630 C611 BI600/CNS600A/B BI610/CNS610 MIC PWB-C7 SWITCH B PWB-C3 LED PWB-C4 R712 FW701...
- Page 12 MD-X7 MAIN PWB-A R1091 R949 R931 R1092 R932 R930 R928 CNP950 R1067 R927 IC902 R1063 R926 R1039 Q902 C372 C367 R925 R924 R362 R1033 R917 C366 R365 C353 IC303 R1064 CNP960 C357 R364 C399 C351 R393 R905 R355 R363 C358...
- Page 13 MD-X7 C331 R350 T302 C367 R349 C366 C353 IC303 R399 R348 L342 R347 C333 3 2 1 C399 C351 C348 CF302 Q301 B C E C346 C334 C340 SO301 C349 R355 C352 R369 R346 C342 CF351 ANTENNA R344 C347 R353...
- Page 14 MD-X7 PWB-B3 : Eliminated/Change PARTS MD Mechanism Unit 610x2 602x2 M971 611x5 604x6 PWB-C4 606x2 PWB-C3 604x3 261x2 263x2 601x2 609x2 262x2 PWB-C6 602x2 604x7 604x2 JOG701 604x10 PWB-C5 LCD751 611x2 PWB-C1 611x2 PWB-C2 604x2 603x2 201-17 201-11 201-19 201-14...
- Page 15 MD-X7 TWEETER SP3 (L-CH) SP4 (R-CH) 2.7µF, 100V, Film Capacitor WOOFER SP1 (L-CH) SP2 (R-CH) SP3 (L-CH) SP4 (R-CH) 911x2 910x4 903x4 SP1 (L-CH) SP2 (R-CH) TWEETER C1+Cord SP3 (L-CH) Ass'y SP4 (R-CH) WOOFER SP1 (L-CH) SP2 (R-CH) Figure 15 SPEAKER EXPLODED VIEW...
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Page 16: Packing Of The Set
TLABR0933AWZZ Packin Case Label, VM/ No. Label, Bar Code © COPYRIGHT 1997 BY SHARP COPORATION ALL RIGHTS RESERVED. SHARP CORPORATION Communication Systems Group No part of this publication may be reproduced, Quality & Reliability Control Center stored in a retrieval system, or transmitted in...