Sharp MD-X7 User manual

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/PCcontrolcircuit,andsoonlythesepartsareheredescribed.
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-X7MD-X8
PART NO. PART NO. DESCRIPTIONREF.
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 µH, Choke —
CAPACITORS
C410 VCTYMN1EF223Z J Not used 0.022 µF, 25V —
C411, 412 VCTYMN1CX122K J Not used 0.0012 µF, 16V —
C437, 438 VCTYMN1CX822K J Not used 0.0082 µF, 16V —
C439, 440 VCTYMN1CX222K J Not used 0.0022 µF, 16V —
C441, 442 VCKYMN1HB471K J Not used 470 pF, 50V —
C443, 444 RC-GZA226AF1H J Not used 22 µF, 50V, Electrolytic —
C445, 446 RC-GZA225AF1H J Not used 2.2 µF, 50V, Electrolytic —
C448, 449 VCTYMN1EF223Z J Not used 0.022 µF, 25V —
C639 VCTYMN1EF223Z J Not used 0.022 µF, 25V —
C640, 641 VCQYKA1HM104J J Not used 0.1 µF, 50V, Mylar —
C642 VCTYMN1EF223Z J Not used 0.022 µF, 25V —
C650 VCQYKA1HM104J J Not used 0.1 µF, 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 —

MD-X7
MARK: SPARE PARTS-DELIVERY SECTION
MD-X7MD-X8
PART NO. PART NO. DESCRIPTIONREF.
NO. CODE
RESISTORS
R640 VRD-MN2BD331J J Not used 330 ohms, 1/8W —
R642 VRD-MN2BD331J J Not used 330 ohms, 1/8W —
R643 VRD-MN2BD272J J Not used 2.7 kohms, 1/8W —
R644, 645 VRD-MN2BD331J J Not used 330 ohms, 1/8W —
R650 VRD-MN2BD820J J Not used 82 ohms, 1/8W —
R651 VRD-MN2BD331J J Not used 330 ohms, 1/8W —
R653 VRD-MN2BD224J J Not used 220 kohms, 1/8W —
R654 VRD-MN2BD563J J Not used 56 kohms, 1/8W —
R655 VRD-MN2BD331J J Not used 330 ohms, 1/8W —
R656, 657 VRD-MN2BD151J J Not used 150 ohms, 1/8W —
R706 VRD-MN2BD472J J Not used 4.7 kohms, 1/8W —
OTHER CIRCUITRY PARTS
Bi610/ QCNWN1117AWZZ J QCNWN1155AWZZ J Connector Ass'y, 3/3 Pin AF
CNS610
Bi620/ QCNWN0960AWZZ J Not used Connector Ass'y, 3/3 Pin —
CNS620
CNP905 92LCONEDP53253 J 92LCONE3P53253 J Plug, 3 Pin AB
CNP925 92LCONE3P53253 J Not used Plug, 3 Pin —
JK502 92LJACKL1776A J Not used Jack, Phono Input —
LMP701 RLMPM0247AFZZ J Not used Lamp —
SO601 QSOCZ0001AWZZ J Not used Socket, Keybord Input —
SO602 QSOCZ0002AWZZ J Not used Socket, PC Control —
SW707 QSW-K0005AWZZ J Not used Switch, Key Type [Computer Network] —
CABINET PARTS
201 92LCAB2592AS1 J 92LCAB2678AS1 J Front Panel Ass'y BF
201-1 ———————— ———————— Front Panel (Not Replacement Item) —
201-2 92LCUSN1746A J Same as MD-X8 J Cushion, Leg AA
201-3 HDECP0039AWSA J Same as MD-X8 J Panel, Remote Sensor AD
201-4 HDECQ0194AWSA J Same as MD-X8 J Panel, MD Indicator AD
201-5 HDECQ0195AWSA J Same as MD-X8 J Panel, PC Mode Indicator AC
201-6 HDECQ0211AWSA J Same as MD-X8 J Panel, 3D Surround Indicator AC
201-7 HDECQ0244AWSA J Same as MD-X8 J Panel, MD/CD Display AC
201-8 HDECQ0245AWSA J Same as MD-X8 J Panel, MD Record Display AC
201-9 HDECQ0246AWSA J HDECQ0302AWSA J Panel, MD Display AS
201-10 JKNBK0047AWSA J Same as MD-X8 J Button, Multi Control AE
201-11 JKNBZ0358AWSA J Same as MD-X8 J Button, MD/MD Edit AE
201-12 JKNBZ0359AWSA J Same as MD-X8 J Button, CD/MD Edit AE
201-13 JKNBZ0360AWSA J GCOVA1178AWSA J Button, Square AL
201-14 JKNBZ0361AWSA J Same as MD-X8 J Button, CD Track AE
201-15 JKNBZ0362AWSA J Same as MD-X8 J Button, MD Play/Pause/Stop AF
201-16 JKNBZ0363AWSA J JKNBZ0363AWSB J Button, MD Eject/Record AE
201-17 JKNBZ0365AWSA J Same as MD-X8 J Button, CD MD Edit AF
201-18 JKNBZ0366AWSA J JKNBZ0366AWSB J Button, Power AE
201-19 JKNBZ0367AWSA J JKNBZ0367AWSB J Button, Tuner/AUX AE
201-20 JKNBZ0369AWSA J Same as MD-X8 J Button, Enter AE
201-21 JKNBZ0371AWSA J JKNBZ0371AWSB J Button, 3D Surround/X-BASS/Equalizer AF
201-22 JKNBZ0372AWSA J JKNBZ0372AWSB J Button, Message AF
201-23 JKNBZ0375AWSA J Same as MD-X8 J Button, CD Play/Pause/Stop AF
201-24 JKNBZ0376AWSA J JKNBZ0376AWSB J Button, CD Open/Close AF
201-25 JKNBZ0410AWSA J Same as MD-X8 J Button, CD Play 1 AE
201-26 JKNBZ0411AWSA J Same as MD-X8 J Button, CD Play 2 AE
201-27 JKNBZ0412AWSA J Same as MD-X8 J Button, CD Play 3 AE
201-28 PSHEP0015AWZZ J Same as MD-X8 J Cover, Jack AD
201-29 PSHET0010AWZZ J Same as MD-X8 J Sheet, CD Button AC
– 2 –

MD-X7
MARK: SPARE PARTS-DELIVERY SECTION
MD-X7MD-X8
PART NO. PART NO. DESCRIPTIONREF.
NO. CODE
CABINET PARTS
231 JKNBK0045AWSA J JKNBK0045AWSB J Knob, Mic Volume/Input Level AE
233 GCOVA1143AWSA J GCOVA1143AWSB J Cover, Disc Tray 1 AG
234 GCOVA1144AWSA J GCOVA1144AWSB J Cover, Disc Tray 2 AG
235 GCOVA1145AWSA J GCOVA1145AWSB J Cover, Disc Tray 3 AG
236 92LCAB2530CS1 J 92LCAB2678CS1 J Cabinet BB
239 GiTAR0270AWSA J GiTAR0292AWSA J Rear Panel AS
619 XHBSN30P10000 J Not used Screw, ø3x10mm —
ACCESSORIES
SPAKF0001AWZZ J Not used Pad, Remote Control —
TiNSE0182AWZZ J TiNSE0193AWZZ J Operation Manual AL
TiNSZ0267AWZZ J TiNSZ0286AWZZ J Spanish Tag AL
UDSKM0001AFZZ J Not used Recording Mini Disc —
92L291-0054 J Not used Speaker Cord Ass'y —
RRMCG0101AWSA J RRMCG0136AWSA J Remote Control BB
GFTAB1019AWSA J GFTAB1020AWSA J Battery Lid, Remote Control AT
DISASSEMBLY
STEP REMOVAL PROCEDURE FIGURE
1 Speaker 1. Net........................... (A1) x1 3-1
2. Front Panel ............. (A2) x1
3. Screw ...................... (A3) x2 3-2
4. Screw ...................... (A4) x4
Figure 3-2
PARTS GUIDE
SPEAKER BOX PARTS
901 92L20100MDX710 J AW Net Frame Ass'y
902 92L20000MDX720 J AX Front Panel Ass'y
903 92L23036099000 J AE Catcher, Holder
904 92L10000CPX710 J BD Speaker Box Ass'y
905 92L44210310100 J AD Cushion
906 92L31210MDX710 J AL Speaker Cord Ass'y
907 92L20500XL1000 J Speaker Duct
908 92L43045412100 J Cover, Speaker Duct
909 92L60000MDX700 J AF Panel, Specification
910 92L4118840120P1 J Screw, ø4x12mm
911 92L411P830100P1 J AK Screw, ø3x10mm
SP1,2 VSP0013WB136A J BA Woofer
SP3,4 VSP0050TBK16A J AX Tweeter
C1 92L31410MDX710 J AQ C1 + Cord Ass'y
2.7 µF, 100V, Film Capacitor
– 3 –
Figure 3-1
P.W.B. ASSEMBLY (Not Replacement Item)
PWB-A 92LPWB2592MANS J 92LPWB2678MANS J Main —
PWB-B1~3 92LPWB2592PWRS J 92LPWB2678PWRS J Power/Power Amp. /Power sub —
(Combined Ass'y)
PWB-C1~8 92LPWB2592DPLS J 92LPWB2678DPLS J
Lamp/Switch A,B,C/LED/Display/Mic/CD Servo —
(Combined Ass'y)
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set.
!
!
Net
Speaker Box
Front Panel
(A1)x1
(A2)x1
Driver
Speaker Box
Woofer
(A3)x2
ø3x10mm
(A4)x4
ø4x12mm
Tweeter

MD-X7
Figure 4 SCHEMATIC DIAGRAM (1/7)
A
B
C
D
E
F
G
H
123456
– 4 –
: Eliminated/Change PARTS
P43 12-B P42 1-G
C998 0.1/50
Q998
KRC107M
R966
56K
51
52
53
28
29
30
1 2 3
78
79
80
54321
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
654321
3
21
9
10
2
1516
20
17
21
221819
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
4
3
2
1
6
5
4
3
2
1
14
13
12
11
10
9
8
7
6
5
4
3
2
1
7
6
5
4
3
2
1
3
2
1
8
7
6
5
4
3
2
1
1 2 3 4
5
6
7
8
9
10
11
12
13 14
15
16 17
18
19
20
21
22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
44
45
46
47
48
49
50
51
52
53 54
55
56
57
58 59
60 61
62
63
64
65
66 67 68
69 70
71
72
73 74 75
76
77 78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
+B
0V
0V 4.8V
+B
+B
+B
+B
+B
+B
INPUT SELECTOR
CD_L_OUT
CD_R_OUT
CD_9V
CD_7V
CD_GND
M_GND
CD_A_GND
TRY_SW3
TRY_SW4
TRY_SW2
TRY_SW1
SQOUT
COIN
RWC
CQCK
RES_CD
WRQ
DRF
SL+
SL–
PU_IN
KB CLK IN/OUT
PROTECT
DSTB
AVDD
AVREF0
KEY0
RESET
TEST/VPP
CAM SW1 CAM SW2
NC
S-ID
RESET
LOAD
VSS
TUNER MUTE
NC
CCB-CL
FAN MOTOR
POWER DOWN
RLY_OUT
CCB-DI
CCB-DO
CCB-CE
DIG_A
POWER
L-MUTE
S-MUTE
MIC MUTE
CD-MUTE
PU IN
DRF
SL+
SL–
SKIP+10
PLAY N
SKIP+1
STOP
DUBB MODE
4052A
4052B
SRS PASS/ON
NAME SEL
DATA SEL
NEXT
PLAY 1T
VDD
SW12
SW10
SW11
SW5
SW7
SW8
SW9
VSS
DATA
CLK OE
SW2
SW1
SW3
SW4
SW5
LCK1
MD_ST
SERCH
RESET
RES_CD SQOUT KDATA MDDATA1 RWC SL+
DRF
WRQ
CQCK
COIN SL- DSCK
KEY3 KEY0 KEY1 KEY2
CSB
VDD
RS
232C OUT 232C IN
D1 D2 D3 D4 D5 D6 D7 D0
SYN
DSLK
K-DATA MD-DATA CQCK
COIN
SQOUT
AVREF1
KEY2
VSM
DATA
CLK
LCK1
WRQ
CAM SW4
TRY SW1
TRY SW2
TRY SW3
SUB CLK OUT
SUB CLK IN
AVSS
KEY1
RES
MAIN CLK OUT
KEY3
LCK2
INITIAL AREA 1
KB DATA IN/OUT
NAME IN
TRY SW4
CAM SW3
MAIN CLK IN
RDB
WRB
MIC SW
RDS
RWC SPAN SEL.
KEY4
VDD
VSS
RX IN
P-IN
DIG_B
JOG_1
JOG_2
BL
SD
VLOAD
LCK2 LCK1
DATA
D7 D0 D6 D5 D4 D3 D2 D1
WR
RD
RS
D_GND
RES
+5V
+13R5V
A/D_SW
SRS_PASS/0N
AUX_B AUX_A
A/D_SW
MAIN PWB-A(2/3)
CNS775
CNS752
FROM
DISPLAY PWB
P51 12-A
FROM
DISPLAY PWB
P51 12-B
P47 11-G
FROM
CAM SWITCH
BIM3
CNS980
FROM
CD SERVO PWB
P47 8-H
CNS990
FROM
CD SERVO PWB
P47 9-H
CNS610
P38 1-E
FROM MIC PWB
P38 1-B
P38 1-C
CNS660A
FROM MIC PWB
CNS630
FROM MIC PWB
SYSTEM CONTROLL MICON
LOAD_SW
PIN
OPT
PC
CDC0
C3
C2
C1
B A SEL
LL
LL H
H
HH
MODE
1
2
RES
VPP
PC_IN
D_GND
+5V
PC_OUT
PC_IN PC_OUT
MIC_SW
RES
RESET
VSM
H
AUX_B AUX_A SRS_PASS/0N MIC_L-CH MIC_R-CH
AUX_IN-L
MIC_GND
AUX_IN-R
MIC_GND
AUX_OUT-L
MIC_GND
AUX_OUT-R
MIC_GND
EX_MD-L
MIC_GND
EX_MD-R
RD
CS3
WR
D7
D0
D2
D1
D6
D5
D4
D3
RS
CAM_SW4
CAM_SW3
GND(D)
CAM_SW2
CAM_SW1
GND(D)
A/D_SW
NAME_IN
D_GND
RLY_OUT
MIC_SW
MIC_L-CH
MIC_R-CH
A_GND
A_-11V
A_11V
BL_H
CLK
CS3
43
100
1
2
0V
0V
R942 1K
C912
10P(CH)
R1057
22K
CNP985
R1083
27K
R1084
27K
R1085
27K
R1086
27K
R915
5.6K
R914
5.6K
C924
0.022
R923
22K
R922
22K
R921
22K
R920
12K
R919
L910
100µH
R940 1K
R906
1K
R904
1K
R905
1K
R948
1K
R949
1K
R918
1.8K
R912
2.2K
C903 150P C902 150P
R917
3.3K
R911
2.7K
R931
100K
IC902
BU2092F
C910
0.022
C901
390P
R930
22K
R928
15K
R927
10K
R926 6.8K R925 4.7K
R924 3.9K
R932
39K
C920 100P C919 100P C918 100P C917 100P
R1071
47K
CNP999
TP915
TP912 TP913 TP914
TP911 TP910
TP903 TP904 TP905
TP908 TP907 TP906
TP909
CNP935
CNP975
CNP970
CNP900
CNP980
CNP990
CNP905
CNP915
R903
18K
Q901
2SC1740 SR
R901
470K
R989 1K
R
1
R
1
R958 10K R960 10K
R971
1K
R969 1K
R964 1K R962 1K
R988 1K R990 1K
R1046
10K
C914 100P
C913 100P C911 100P C909 100P C907 100P C906 100P C905 100P C904 100P
R951 10K R953 10K R956 10K
R954
220K
C916 0.022
IC903
PST9140
C915
0.022
R
1
R944 1K
R943 1K
R936 1K
R
1
R
1
R
1
R
1
R1000 1K R1002 1K R991 1K
R934 1K
R
1
R
1
R
1
R
1
R937 1K
R938 1K
R945
1K
R933
1K
R
1
R
1
R998 1K R995 1K R993 1K
R
1
R977 1K
R
1
R
1
R935 1K
R967 1K R968 1K R970 1K R972 1K R975 1K
R978 1K R980 1K R982 1K R984 1K
R987 1K
R973 1K
R941 1K
R950 1K R952 1K R955 1K R957 1K R959 1K R961 1K
R1001 1K
R979 1K
R981 1K R983 1K R985 1K R986 1K
R1003 1K
R992 1K R994 1K R996 1K R999 1K C936
0.022
R
1
R1047
10K
R965
1K
R963 1K
R1062
1K
R1061
1K
IC901
IX2717AF
R913 5.6K
R916
5.6K
R907
5.6K
R908
5.6K
R909
5.6K
R910
5.6K
R1059 47K
R1070 1K
X901
8MHz
C908 15P (CH)
C925 0.022
C923
0.022
C922
0.022
R976
1K
R974
1K
R1005 22K
R1072 1K R1073 1K R1074 1K R1075 1K R1076 1K
R946
1K
C999 0.047
C951 0.047
C949 0.047
R1044
10K
R
4.8V
0V
4.8V
3
2
1
PIN
NO. VOLTAGE
IC903
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0.2V
4.8V
4.7V
0V
0V
0V
9
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC902
4.7V
0.2V
4.3V
4.8V
2.4V
2.4V
0V
0V
0V
4.7V
0.2V
0V
0V
0V
0V
0V
9
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC904
4.8V
0V
17
18
1
2
3
CNS
999A
CNS
999B
P47 12-E
FROM
CD SERVO PWB
CNS960

MD-X7
Figure 5 SCHEMATIC DIAGRAM (2/7)
78 9 10 11 12
– 5 –
FM SIGNAL
CD SIGNAL
P42(1-G) P43(6-A)
80
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
2
1
6
5
4
3
2
1
3
2
1
2
2
1
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
6
5
4
3
2
1
14
13
12
11
10
9
8
7
6
5
4
3
2
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
141312
45
23 2928272524
8776
13
1126
1 2 3 4
5
76
77 78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
+B +B
+B
+B
0V
4.8V
0V
0V
0V
4.8V
0V
4.8V
0V
+B
+B
+B
+B +B
+B
+B
+B
+B
+B
+B
+B
3334
VSS
TUNER MUTE
NC
CCB-CL
FAN MOTOR
POWER DOWN
RLY_OUT
CCB-DI
CCB-DO
CCB-CE
DIG_A
POWER
L-MUTE
S-MUTE
MIC MUTE
CD-MUTE
PU IN
SL–
MD_ST
SERCH
RESET
CD_MUTE
MIC_MUTE
PU_IN
TUNER_MUTE
CCB_CL
CCB_DI
CCB_DO
CCB_CE
JOG_1
JOG_2
DIG_A
DIG_B
POWER
L_MUTE
S_MUTE
RLY_OUT
RES
_
CD
SL+
DRF
WRQ SL-
SYN
DATA
WRQ
RES
DIG_B
JOG_1
JOG_2
DATA
CNP810
P54 1-C
FROM
POWER AMP.PWB
CNP820
P54 1-G
FROM
POWER AMP.PWB
CNP774
P51 12-G
FROM
SWITCH A PWB
P51 12-F
CNP773
FROM
SWITCH A PWB
24
1
MD FLAT CABLE(42)
P65 12-G
CNP1902
TO MD
MAIN PWB
CNS970
FROM
CD SERVO PWB
CNP1904
FROM MD PWB
POWER DOWN
V_LOAD
A_GND(MD)
A_10V(MD)
D_GND(MD)
D_+B(MD)
A_–11V
P_IN
POWER
L_CH_OUT
R_CH_OUT
A_GND
PROTECT
BL
FAN
+5V
(BACK_UP)
A_GND
GND(TUNER)
DSTB1
MDDATA1
LOAD_SW
LOAD_SW
PIN
OPT
PC
CD
MODE
B
1C3
1C2
1C1
1C0
1Y
GND
1G 2G
A
2Y
Vcc
2C3
2C2
2C1
2C0
INVERTER
R_OUT
MD_A_GND
L_OUT
AD_GND
R_IN
MD_A_GND
L_IN
A_10V(MD)
D_+B(MD)
D_+B(MD)
D_GND(MD)
D_GND(MD)
D_GND(MD)
D_GND(MD)
DSTB
MDDATA
KDATA
LOAD_SW
RESET
MD_ST
DSCK
SERCH
AUX DIGITAL 1
INPUT
DIG_GND
CD_DIGI_IN
D_GND
+13R5V
RX_IN
KEY0
KEY3
KEY2
KEY1
JOG1
JOG2
D_GND
CLK
CLK2
DATA
R_CH_OUT L_CH_OUT A_11V A_–11V A_GND CD_L_OUT CD_R_OUT CD_A_GND MD_A_GND CD_MUTE L_MUTE
S_MUTE MIC_MUTE
CCB_CL SD CCB_CE CCB_DO CCB_DI TUNER_MUTE
F
G
L_OUT R_IN R_OUT L_IN
DIG_A DIG_B
CD_7V
CD_GND
CD_9V
A_GND
A_11V
+5R6V
M_GND
M_GND
CD_GND
D_GND
A_GND
D_GND
100
P61 12-D
P47 12-D
4.8V
4.3V
0V
1234567
8 9 10 11 12 13 14
L903
2.2µH
C947
47P
C946
47P
C924
0.022
C950
33P
C928
1000/6.3
D902
1SS133
R1039 470K
C920 100P
100P
C933
1/50
C932
0.022
C938
0.022
IC905
74HCU04
MULTIPLEXER
CNS950
CNS950A
CNS950B
CNP950
CNP940
CNP930
CNP910
TP936 TP937 TP938 TP939 TP940 TP941
TP933 TP934 TP935
TP916 TP917 TP918 TP919
TP920 TP921 TP922 TP923 TP924 TP927 TP928 TP929 TP930 TP931 TP932
R1013 1K
R1021 1K
C934
0.1
L905
2.2µH
R1030 22K
R1055 22K
R1028 22K
R1027 330K
R1026 22K
R1025 22K
R1024 22K
C921 0.022
R1023 22K
L902
2.2µH
R1036
10K
Q903
2SC1740 SR
R1038 470K
Q902
2SC1740 SR
R1037
10K
R1034
10K
R1033
10K
R1018 1K
R1016 1K
R1008 1K
R1007 1K
R1004 1K
R1000 1K R1002 1K
R1006 1K
R1009 1K
R1010 1K
R1011 1K
R1015 1K
R1014 1K
R998 1K R995 1K
R993
1K
R1012 1K
R1020 1K
R1019 1K
UNA901
R1001 1K R1003 1K
R994
1K
R996 1K R999 1K
C937
1/50
R1053
82
C1009
150p
L906
2.2µH
C936
0.022
IC904
74HC153P
R1054 1K R1056 22K
C926
1/50
C927
220/10
R1040 100
SW901 RESET
R1058
680
L904
2.2µH
CNP995
D905
1SS133
CNP961
CNP920
Q904
2SC1740 SR
R1063
10K
R1064
10K
R1067
470K
C942
0.022
R1077 22K
R1092
2.7K
R1091
2.7K
R514
3.3K
R513
3.3K
R512
18K
R511
18K
R1017 1K
T
AGE
4
0V
4.8V
4.8V
0V
4.8V
0V
1.5V
0V
0V
0V
0V
4.3V
0V
0V
4.7V
4.5V
4.5V
4.8V
4.7V
4.7V
0.2V
3.8V
0V
0V
4.8V
0V
4.8V
0V
0V
4.8V
0V
4.6V
4.8V
0V
0V
4.4V
4.6V
4.6V
4.6V
4.6V
0.2V
0.2V
0.2V
0.2V
0.2V
0.2V
4.8V
4.8V
4.8V
2.7V
2.4V
4.8V
0.1V
4.8V
4.8V
4.2V
4.8V
4.8V
4.8V
4.8V
4.8V
0V
0V
4.8V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
51
64
63
62
61
60
59
58
57
56
55
54
53
52
IC901
0V
0V
0V
4.7V
4.7V
4.8V
0V
0V
0V
4.8V
4.8V
4.8V
0V
4.8V
4.8V
4.7V
4.8V
0V
4.8V
0V
0V
0V
4.7V
4.7V
0V
0V
4.8V
4.8V
0.3V
0V
0V
0V
4.8V
0V
4.7V
0V
73
72
71
70
69
68
67
66
65
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
100
99
98
97
96
95
PIN
NO. VOLTAGE
IC901
R1048
330
R1052
56K
C939
0.01
R1049
82 ZD901
UZ5.1BSB
JK902
AUX DIGITAL 2
INPUT
C945
0.047
R1051
2.7K R1050
220K

MD-X7
Figure 6 SCHEMATIC DIAGRAM (3/7)
A
B
C
D
E
F
G
H
123456
– 6 –
1
2
3
4
5
6
7
8
9
10
11
12
13
14
+B
+B +B
23 24 25 26 27 28 29
28 27 26 25 24 23 22 21 20 19 18 17 16 15
14
13
12
11
10
9876543
2
1
8
7
6
5
4
3
21
10
9
8
7
6
5
4
3
2
1
16
15
14
13
12
11
CD SIGNAL
FM SIGNAL
MAIN PWB-A(3/3)
R_CH_OUT
–B –B
VOLTAGE REGULATOR
–B
SRS
IC451
SRS5250S
–B
MIC AMP.
IC552
NJM4565D
Q
C
CD_L-CH
CD_A_GND
CD_R-CH
0V
3.7V 3.7V
0V0V
0V
CD_MUTE
REC_L-CH REC_R-CH
R
2
1
3
2
1
3
3
1
2
GND
CR1
R_OUT
L_OUT
S_OUT PN_IN
L_IN
Vref
CL1 CL2 CL3 CL4
C_IN
C_OUT
MODE
R_IN
CR2 CR3 CR4 S_IN C6 C5 C4 C3 C2 C1 PN_OUT
VCC
SRS_PASS
MIC_MUTE
L_MUTE
A_12V
–15V
DI
CE
CL
L_CH_OUT
AUX_A
AUX_B
A_GND
S_MUTE
R
R
R
R
R
R
R
R
R
R
R
R
R
R
–
+
–
A_GND
+
5.2V
0V 0V 10.4V11.2V
11V
2.4V
0V 0V
2.4V
0V
5.2V
5.2V
0V
0V
0V
2.6V
3.8V
3.8V
0.6V
0V 0V
0V
11
2
2
33
CNS1000A CNS1000B
C467
0.47/50
+B
+B
0V
0V
0V
0V
0V 0V
R498
330
R499
330
Q910 KTC3203Y
R1080
1K
C948
0.1
+B
+B
+B+B
+B
+B
TP36
TP5
TP38
TP4
TP37 TP35
C540
10/16
C538
1/50
C536
0.0047(ML)
C534
0.0022
(ML)
C532
0.015
(ML)
C530
0.027(ML)
C528
0.22/50
C526
0.1
C524
0.22/50
C522
0.1/50
C520
0.25/50
R572
100K
R571
100K
C591 10/50
Q551
KRA107 M
C460
0.47/50
R481
3.9K
Q542 DTC363 TS
Q541 DTC363 TS
C555
0.001
C556
0.001
R522
5.6K
R521
5.6K
R526
47K C557
22/25
D557
1SS133
C593
0.022
C592
0.022
R565
8.2K
R466
1K
R469
1K
C474
0.47/50
R482
33K
C458 0.047(ML)
C457 100/16
C456
100/16
TP22
TP21
TP20
TP19
TP18
TP16
TP15
TP14
TP13
TP12
TP11
TP10
TP9
TP8
Q553
KTC3199 G
RMIC MUTE
C549
2.2/50
R550
47K
R551
5.6K
C518
1/50
C550
100/16
C454
2.2/50
Q466 KRC107 M
Q469
KTC3199 GR
Q468
KTC3199 GR
R458
3.9K
R483
100K
C471
470/16
C469
0.22(ML)
C475
0.22(ML)
C465
0.47/50
C453
2.2/50
VOLTAGE
REGULATOR
Q461
KTC3203Y
R454
2.2K
R452
4.7K
Q467
KRA107 M
R484
1.5K
R470
1K
C461
0.0047(ML)
R479
22K
R480
47K
R453
2.2K
C472
0.33/50
R475
2.2K
R459
10K
R598
2.2K
R597
2.2K
R510
47K
R509
47K
Q501
KTC3199 GR
Q502
KTC3199 GR
R505
47K
R506
47K
R456
3.9K
C515
2.2/50
C5
1
2.2
/
C594
10/50
C573
82P
R570
18K
C574
82P
R569
18K
R455
3.9K
R457
3.9K
R586
3.9K
C576
22/50
C575
22/50
C452
4.7/25
C451
4.7/25
R585
3.9K
R566
8.2K
R465
1K
R467
2.2K
R468
2.2K
R587
100K
C
1
0
C
1
0
R541
47K
C541
22/25
R460
47K
Q465
KRC107 M
R489
22K
R471
10K
R464
100K
R463 100K
P
4
P40(1-6) P41(7-12)
3
2
1
3
2
1
0V
0V
0V
0V
0V
–10V
0V
10V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC522
C473
0.47/50

MD-X7
Figure 7 SCHEMATIC DIAGRAM (4/7)
78 9 10 11 12
– 7 –
: Eliminated PARTS
29
30 31 32 33 34
22
21
20
19
18
17
16
15
15
14
13
12
11
10
9
16
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
323130292827262524232221
20191817
16
15
14
13
12
11
(1/2W)
–B
–B
INPUT
SELECTOR
BU4052BC
IC511
Q541, Q542 :
CD MUTE
MD/CD_R-CH
MD/CD_L-CH
TUN_GND
TUN_L-CH TUN_R-CH
CD_L-CH
0V AUX2 IN
L-CH
R-CH
AUX OUT
DI
CL
VREF LVREF
CE
VSS
LTOUT
LFIN LFS
LF4C3
LF4C2
LF1C1
LF1C2
LF1C3
LF2C1
LF2C2
LF2C3
LF3C1
LF3C2
LF3C3
LF4C1
RTIN
LSELO
LTIN
RF1C1
RINVIN1
R1 R2 R3 R4 R5
VDD
L1 L2 L3 L4 L5
LINVIN1
L-CH
R-CH
OUT
RF1C2
RF1C3
RF2C1
RF2C2
RF2C3
RF3C1
RF3C2
RF3C3
RF4C1
RF4C2
RF4C3
RF5
RTOUT
RFIN
RFCOM
RFOUT
RRIN
RRCOM
RROUT
RVREF
LROUT
LRCOM
LRIN
LFOUT
LFCOM
Y0
Y2
Y
Y3
Y1
INH
Vee Vss Vdd
B
A
X3
X0
X
X1
X2
(OS-CON)
EX_MD-R
MIC_L-CH
0.7V
0.7V
0V
0V
3.7V 3.4V
0V
0V
0V
AUX_IN-R
AUX_IN-L
AUX_VOL-L
AUX_VOL-R
EX_MD-L
MIC_GND
16 33
48
1
C547
2.2/50
+B +B
+B
TP35 TP31
TP3
TP32
TP2
TP33
C403
0.022 C404
0.022
R413
33K
C408
10/50
C407
10/50
R430
2.2K
R420
5.6K
R419
5.6K
R429
2.2K
R433
47K
Q421
KRA107 M
R428
100K
R427
100K
C435
2.2/50
R431
1K
JK501
ANALOG
IN/OUT
C517
1/50
C519
0.22/50
C521
0.1/50
C523
0.22/50
C525
0.15/50
C527
0.22/50
C529
0.027(ML)
C531
0.015(ML)
C533
0.0022(ML)
C537
1/50
C535
0.0047
(ML)
C551
33/6.3
R529
1K
R528
1K
R530
1K
C543
1/50
C540
10/16
4
2
2
L
)
C
520
25/50
Q5
DTC363 TS
C401 47/25
ZD402
UZ7.5BSB
C402
47/25
R404
47K
C518
1/50
R501
2.2K
C506 1/50 C504 1/50 C503 1/50 C505 1/50
C510 1/50
C508 1/50
C429
330P
L421 2.2µH
L423
2.2µH
L422
2.2µH
D422
1SS133
D421
1SS133
R432
1K
GND
R403
47K
R412
22K
R411
22K
L401
2.2µH
L410
2.2µH
L402
2.2µHC406
390P
C405 390P
R414
33K
R407
100K
R408
100K
C430
330P
IC501
LC75396E
AUDIO PROCESSOR
7
K
C507 1/50 C509 1/50
C511
47/16
C502 1/50 C501 1/50
R502
2.2K
C512
47/16
C515
2.2/50
C516
2.2/50
ZD401
UZ7.5BSB
R402
560
R401
560(1/2W)
R410
47K
C548
2.2/50
C544
1/50
C546
1/50
C545
1/50
C553
47/16
TP29
TP28
TP27
TP26
TP25
TP24
TP23
R409
47K
TP34
TP39
C552
33/6.3
C493
10/16
C494
10/16
Q423
KTC3199 GR
Q424
KTC3199 GR
C539
10/16
R504
18K R503
18K
P40 10-H
P40
2-H
–7.3V
0V
0V
0V
0V
0V
0V
0V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC511
0V
0V
7.3V
7.3V
0V
0V
0V
7.3V
16
15
14
13
12
11
10
9
4.8V
4.8V
4.7V
4.6V
4.5V
4.8V
4.8V
0V
4.8V
4.8V
4.8V
4.8V
4.7V
4.8V
4.6V
4.8V
4.5V
4.6V
4.5V
4.6V
4.8V
4.7V
4.7V
4.7V
4.7V
4.7V
9.6V
4.5V
4.8V
4.6V
4.8V
4.8V
4.5V
4.7V
4.7V
4.7V
0V
0V
0V
4.8V
4.7V
4.7V
4.8V
4.7V
4.7V
4.8V
4.5V
4.6V
4.8V
4.5V
4.7V
4.6V
4.7V
4.7V
4.8V
4.8V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.8V
4.7V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
51
64
63
62
61
60
59
58
57
56
55
54
53
52
IC501
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
10.4V
5.2V
5.2V
5.2V
5.1V
5.2V
0V
5.2V
5.2V
5.2V
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC451
5.2V
5.2V
5.2V
0V
28
27
26
25
C409
0.022

MD-X7
Figure 8 SCHEMATIC DIAGRAM (5/7)
A
B
C
D
E
F
G
H
123456
: Eliminated PARTS
4
3
2
1
8
7
6
5
4
3
2
1
2
1
8
7
6
5
4
3
2
1
4
3
2
1
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
+B
+B
+B
+B
+B
34
33
32
BACK LIGHT
DISPLAY PWB-
C
TUNING/
CURSOR DOWN
TUNER(BAND)
TUNING/
CURSOR UP
CD DISC1
OPEN/CLOSE
CD DISC2
OPEN/CLOSE
CD DISC3
OPEN/CLOSE
REMOTE SENSOR
RX701
13
LED PWB-C4
SWITCH B PWB-C3
31
SWITCH C PWB-C5
AUX
MESSAGE
NAME/TOC-EDIT
TIMER/DELETE
DISPLAY
CHARACTER
CNS830
FROM
POWER AMP. PWB
P55 9-G
LCD751
FROM
DISPLAY
LAMP PWB-C1
MD-REC
MD-EJECT
CD>MD EDIT
TRACK
POWER
MD>MD EDIT
1
2
3
BL_GND
BL+B(HIGH)
RS
CS3
RESET
V0
V1
V2
V3
V4
VSS-TEST
RESB
CSB
RS
M/S
M86
P/S SDA SCL
WRB
RDB
D0
D1
D2
D3
D4
D5
D6
D7
VSS
OSC1
OSC0
VSS CK CKS
VDD PMODE EXA
VOUT
VR1
VR2
VSS(VD)
VC
VB
VA
D7
RD
D0
D2
D1
D6
D5
D4
D3
WR
LED706
SLR325MG
R712
1K
FW701
CNP721
R729
4.7K
R727
8.2K
SW721
SW722
SW723
SW724
SW725
SW726
SW727
SW728
R721
1.2K
R722
1.5K
R723
1.8K
R724
2.2K
R725
3.3K
R726
4.7K
SW729
SW731
R730
8.2K
R731
18K
LED721
SLR325MG
LCD751
LMP744LMP743LMP742
C702
1/50
CNP701
CNP741
CNP771
CNP772
SW776
CD DISC3 PLAY
SW775
CD DISC2 PLAY
SW774
CD DISC1 PLAY
SW773
CD STOP
SW772
CD PLAY/PAUSE
SW771
ENTER
CNP751
R701
1.2K SW702
R702
1.5K SW703
R703
1.8K SW704
R704
2.2K SW705
R705
3.3K SW706
R713
1K
C703 100P
SW701
R771
1.2K
R773
1.8K
R774
2.2K R772 1.5K
R775
3.3K
R751
680K
LMP741
C701
100P R714
100
LED705
R342VRC7
R711
1K
SW730
– 8 –

MD-X7
Figure 9 SCHEMATIC DIAGRAM (6/7)
78 9 10 11 12
12
11
10
9
8
7
6
5
4
3
2
1
4
3
2
1
6
5
5
6
6
5
8
7
6
5
4
3
2
1
6
5
4
3
2
1
8
7
4
3
2
1
8
7
4
3
2
1
8
7
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
+B
+B
+B
+B
+B
+B
+B
+B
+B+B
+B
+B
+B+B+B
+B +B
SW781 ~ SW784 : MULTI CONTROL
CNP975
TO MAIN PWB
P40 1-B
TO MAIN PWB
CNP970
P40 1-C
IC751 ~ IC753 : LCD AMP.
Y
PWB-C6
SWITCH A PWB-C2
MD-PLAY
/PAUSE
M REC
INTER NET
MD PLAY
DISC2 P
DISC3 P
MD IN DISC1 P
CD PLAY
SRS
SW9
SW8
SW7
SW5
VDD
SW10
SW11
SW12
LCK1
SW5
SW4
SW3
SW1
SW2
OE
CLK
DATA
VSS CNP940
FROM MAIN PWB
P41 12-D
VOLUME
FROM MAIN PWB
P41 12-E
CNP930
LCK2
CLK
DATA
D_GND
JOG2
RS
CS3
RESET
+13R5V
+5V
D GND
RESET
CS3
D0
D1
D2
D3
D4
D5
D6
D7
RS
WR
RD
–
–
+
+
C
L
S
E
EXA
+
–
+
–
+
–
+
–
D7
RD
D0
D2
D1
D6
D5
D4
D3
WR
JOG1
RX_IN
D_GND
+13R5V
+5V
KEY3
KEY2
KEY1
KEY0
R754 270K
TP701
THERMISTOR
+B
BI752 BI755
CNS752
+B
R794
1K
R792
1K
LED771
R342MGF7
LED772
R342MGF7
LED773
SLR325MG
LED774
SLR325MG
LED775
SLR325MG
R791
1K
R793
1K
R795
1K
CD STOP
SW772
CD PLAY/PAUSE
SW771
ENTER
R778
1K
C773 150P C772 150P
C771
390P
R776
1K
R777
1K
CNP773
CNP774
C775
1/50
IC771
BU2092F
C774
150P
SW788
MD-STOP
SW785
PRE-EQ
SW786
X-BASS
SW787
3D SURROUND
SW789
SW78
MULTI-LEFT3
SW782
MULTI-RIGHT
SW784
MULTI-UP
R788
18K R781 1.2K
R783
1.8K R782 1.5K
R787
8.2K R784 2.2K
R785
3.3K
R786
4.7K SW781
MULTI-DOWN
R771
1.2K
R
772
1
.5K
L752
4.7µH
L751
4.7µH
C762 1/50 C761 470P
R759
150K
R758 150K
IC753
BA10358
R755
39K
R757 39K R756
39K
R753 120K R752
100K
R760
220
C752
2.2/50
C754
2.2/50
C756
2.2/50
C758
2.2/50
C760
2.2/50
JOG701
C763
47/16
R761 100K
IC751
BA10358
IC752
BA10358
R732
1K
INPUT SELECTOR
10.6V
0V
0V
0.1V
4.7V
4.6V
0V
0.4V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC771
10.4V
10.4V
11.9V
0.5V
10.4V
10.4V
10.4V
0V
16
15
14
13
12
11
10
9
4.3V
4.3V
5.1V
5.1V
5.1V
0V
4.3V
12V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC751
18
17
0V
4.8V
2.8V
2.8V
3.6V
3.6V
3.6V
0V
2.8V
12V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC752
10.8V
1V
8V
8V
8V
0V
0.2V
12V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC753
CNS755
– 9 –

MD-X7
Figure 10 SCHEMATIC DIAGRAM (7/7)
A
B
C
D
E
F
G
H
123456
: Eliminated/Change PARTS
8
7
6
4
5
3
2
1
4
3
2
1
11
10
9
8
7
6
4
5
3
2
1
11
10
9
8
7
6
4
5
3
2
1
12
11
10
9
8
7
6
4
5
3
2
1
1
3
21
3
2
84
7
1
6
5
3
2
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
CNP935
HEADPHONES
HP_GND
MIC PWB-C7
P40 1-H
TO MAIN PWB
CNP915
P40 1-G
TO MAIN PWB
TO POWER AMP.
CNP210
P55 12-D
CNP905
TO MAIN PWB
MIC_SW
RELAY1
A_GND
MIC_L-CH
–10V
+10V
RELAY
HP_OUT-R
HP_OUT-L
A_GND
A_GND
AUX_IN-L
AUX_IN-R
AUX_OUT-L
AUX_OUT-R
EX_MD-L
EX_MD-R
P40 1-G
A/D_SW
NAME_IN
D_GND
D_GND
D_GND
MICROPHONE
NC
NC
MIC VOLUME
–
+
–
+
JACK PWB-E
MD IN/AUX1
INPUT LEVEL
A_GND
R_IN
L_IN
D_GND
+B
+B
D-GND
+5V
R636
4.7K
R623
100(1/2W)
R624
100(1/2W)
JK901
L601
2.2µH
L603
330
L602
330
CNS600B
CNS600A BI600 BI630
CNS630
BI610
CNS610
JK601
R603
68K
IC601
NJM4558D
MIC AMP.
R611
1K
C621
10/50
VR601
20K(B)
Q601
KTC3199 GR
R615
1.5K
R621
1K
R620
1.5K
D615
1SS133
C615
10/50
R609
1K
R617
1K
R601
1K C601
10/50
C603
220P
R613 100K
C607 1/50
C605
220P R607
330
BI151
C633
0.022 JK151
CNP151
CNS151
R151
1K
VR602
20K(B)
J644
1K
J675
1K
C613
0.022
C612 0.022
C632
100P
L631
2.2µH
C631
100P
R632
3.3K
R631
3.3K
R634
22K
R633
22K
R605
22
C611
10/50 C614
10/50 C609
3.3/50
C626
100P
R635
4.7K
0V
0V
0V
0V
0V
–11.1V
0V
10.8V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC601
4.8V
0V
–
–
–
–
4.8V
4.8V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC602
4.7V
0V
–
–
–
–
4.7V
4.7V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC603
C625
100P
C646
0.022
C627
0.022
– 10 –

MD-X7
A
B
C
D
E
F
G
H
123456
Figure 11 WIRING SIDE OF P.W.BOARD (1/3)
– 11 –
R615
J675
R611
R621 R609
C612 R601 R603
C603
R605
C605
C613
R613 R617 R620
R607
C633
R633R631
R635C631
R636C632
R632 R634
C646
L602 L603 L601
BI600/CNS600A/B
C621
C625
C626C627
R624
R623
C615
J644
D615
C614
C601
C611
IC601
1
1234567891011
1234567891011 321
654321
12
C609
C607
Q601
BI630/CNS630
L631
BI151/CNS151
BI610/CNS610
234
8765
E
C
B
235
4
MIC PWB-C7
JK601
MICROPHONE
JK901
HEADPHONES
VR602
INPUT
LEVEL
VR601
MIC
VOLUME
R705
R713
R711
R704 R703 R702
R701
R714
C701
3
REMOTE SENSOR
21
C703
SW706
MD EJECT SW705
MD REC
LED705
CNP701
FW701
SW704
CD/MD MD EDIT
CD MD
1
2
3
4
5
6
7
8
C702
SW701
POWER
RX701
R712
LED706
FW701
SW702
CD/MD MD EDIT
MD MD
SW703
CD/MD MD EDIT
TRACK
13 31
SWITCH B PWB-C3 LED PWB-C4

MD-X7
Figure 12 WIRING SIDE OF P.W.BOARD (2/3)
A
B
C
D
E
F
G
H
123456
14
5
8
B
BCE
BCE
CE
BCE
B
BCE
C
E
B
BCE
BCE
3
3
2
1
2
1
2
1
3
C
E
C354
C39
R353
R352
C399
CF351
R355
C358
C357
R363
R393
R364
C370
C356
R359
R354
R367
C376
R1
0
R1017
R1020
R1056
R1055
R1054
R1018
R1028
C915
IC903
R954
C916
CNP970
CNP920
R521
C556
Q501
Q502
R597
R509
R598
R510
C472
R460
C473
C576
C594
C593
R566
R585
R565
C573 R569
C592
R551
Q553
R964
R962
R942
R943R920
R921 R944
R945
R922
R923 R946
R965
R1034
R951 R950
R952
R953
R956 R955
R957
R959
R958
R1046 R961
R960
R966
R941
R940
C927
R907
R908
R910
R1070
R1044 R909
R1005
CNP905
R976
R974
Q901
R901
R903
R969
C555
R522 R526
C557
C541
R541
Q541
Q542
C
C540
CNP990
64
60
55
50
45
40
35
33
32 30 25 20
1716
1510 51
4948
C518
R503
C515
R505
R464
C517
R463
C519
C521
IC501
R529
R530
R528
C543 C545
C551
C548
C535
C539
C533
C529
C527
R452
R475
Q461
C457
R459
R482
R479 C456
R484
R471
R483
R480
C461
C458
C460
C547
C544
C454
C453
C525
C523
Q468
Q469
Q465
R469
R455
R467
R457
C451
R468
R465
C452
R458 R456
R466
C465
C469
1
510
14
15
20 25
28
C467
R572
R571
R470
C471
C475
C474
C910
C903
IC902
15
9
10
15
18
R511
R512
R1039
R1033
R1036
R1064
R1067
13579
1113151719212325
2
B
BCE
12
1
8
C
E
B
C
EB
C
E
B
C
E
468 101214161820222426
R1063
R1037 R1038
R366
R362
R365
R361
R356
C353
C366
C351
C355
C920 C919 C918
R1059
C917
R978
R975
R970
R967
R963
R1024
C902
R1023
C901
R587
C942
R913
R914
R915
R916
C907
C906
C905
C904
C911
C909
1
2
3
4
5
6
7
8
1
2
3
4
5
61
2
3
4
5
6
7
1
2
3
4
5
6
8
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
C913
C914
C912
C919
C908
C923
C922
IC901
C925
R994
R988
R986
R996R999
R1019
R550
R586
C574
R570
IC451
R948
R949
R912
R911
R905
R906
R904
R931
R932
R930
R928
R927
R926
R925
R924
R917
R514 R513
CNS950
CNP960
Q902
R1091
R1092
Q904
CNP950
Q903
C302
Q354
Q353
C372
C371
R368
D353
C374
C373 C368
X351
R357
IC303
510
12
13
15
20
C365
C367
R391
R392
C396
ZD351
CNS1000A
C375
R377
R1011
R1009 R1008
R1004
R1010
R1013 R1012
R1006
C924
C950
R1002
R1000
R998 R995
R993
R991
R989
R987
R1072
R1073
R1074
R1075
R1076
R980
R972
R968
R977
R973
R982
R984
CNP985
R1083
R1084
R1085
R1086
CNP975
CNP930
CNP940
CNP915
CNP900
R935
R936
R937
R938
R933
R934
R1061
R1062
R1057
1100
5
10
15
20
25
35 40 45 55 60 65 70 75 80
81
85
90
95
5051
30
31
X901
R979 R981 R983
R1001
R990
R992
R1003
R1021
CNP980
R1030
C546
C553
L903
R985
R918
R971
C493
C494
R498 R499
C591 C549
C575
Q551
IC552
R481
R454 R453 R489
Q467
Q466
C531
C552
C537
1234
2
3
14131211109876543
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
321 14
B
C
E
1234567
CNS999B
C951
MAIN PWB-A
PK
BK WH
WH
PK
WH
– 12 –

MD-X7
Figure 13 WIRING SIDE OF P.W.BOARD (3/3)
78 9 10 11 12
– 13 –
9
16
81
E
E
BCE
R1071
R1069
Q371
B
B
BCE
WH
GY CE
BCE
C
E
R360
R371 R372
1
51
2
3
4
5
6
10
11
12
15 20
22
R373
R374
L401
R419
R429
R427
Q423
R430
Q424
R420
R433
C435
R409
D421
D422
SW901
R1047
C928
R1058
R1040
CNP910
C926 C921
R1027
C391
C998
R384
3
2
1
B
C
E
R385
ZD352
R383
Q360
C354
C398
R353
R352
C399
CF351
R355
358
3
57
C370
C356
R359
R354
R367
R1007
R1014
R1015
R1016
R1017
R
1020
R1056
R1055
1054
R1018
R1028
C915
IC903
R954
C916
CNP970 L902
D902
D905
CNP920
41
4
2
C532
C528
C530
C526
C522 C520
C524
C536
C534
C538
CNS1000B
C540
CNP990 L906
CNS950B
C503
C504 PK
WH
C389
R397
R398
C390
Q910 C948
C501
C506
C505
IC511
1
1
2
3
5
8
910 15
5
15 10
16
ZD401
ZD402 C402
C404
R407
R403
R404
L905
C938
C939
C934
C937
C933
R1053
L904
C407
R1025
R1026
C932
C936
IC904
IC905
CNP995
C403
C401 C408 R408
C502
C510
C507
C509
C516
C512
R506
R501
C511
C550
R504
64
60
55
50
45
40
35
33
32 30 25 20
1716
1510 51
4948
C518
R503
C515
R505
5
19
IC501
R
529
R
530
R528
5
29
3
2
1
R356
C353
C366
R351
C351
C350 C361 C363
R358C343
C333
C334
C332
C330
R319
C341
1
R348 R347
R346
C301
R399
C346
R369
C348
C349
C397
R381
C381
C382
C392
C387
R379
R378
R380
C347
C345
R345
R344
R301
C385
C383
C386
R376
C384
R387
C342
C395
C355
R1019 R428
R412
C406
R411
C430
C429
C405
R432
L422
L423
L421
L402
R414
L410
R431
R414
R413
C368
X351
R357
IC303
1
510
12
13
321
15
20 24
C365
C367
R350
C364
C352
CF302
C362
L353
R324
T302
C331
C336
D301 D302
FE301
D303
R349
D304
L342
C338
C340
CNP999
C394
X352
C380
IC302
C393
L351
R1077
R382
D352
D351
VR351
FM
MUTE
LEVEL
R395
T351
L352
Q361
CF352
R391 R392
C396
ZD351
R1030
Q421
R402
R401
C537
R502
D557
C508
CNP935
1234
2
3
1413121110987654321 1211109876543211415 13
1
1234567
11 22
2 34
BCE
5 6 7 8
1
2
3
4
5
6
7
8
9
10
11
12
3
Q998
R417
C411
R415
L413
R416
C412
R418
L412
L411
R1048
C945
R1052 R1051 R1050
ZD901
R1049
C1009
JK902
AUX DIGITAL 2 INPUT
R1080
7 6 5 4
8 9 10 11
3 2 1
12 13 14
CNS999A
CNS950A
Q301
C409
L-CH
R-CH
JK501
ANALOG
IN/OUT
AUX OUT
AUX2 IN
L-CH
R-CH
UNA901
AUX DIGITAL 1
INPUT
RESET
SO301
ANTENNA
TERMINAL
AM
GND
GND
FM75 ohms
BR
COLOR TABLE
RD(R)
OR
YL
GR
BL
VL
GY
WH(W)
BK
PK
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
PINK

MD-X7
Figure 14 CABINET EXPLODED VIEW
A
B
C
D
E
F
G
H
123456
609
266
272
608
255
275
CD Changer
Block
PWB-B1
PWB-C8
PWB-B2
PWB-A
PWB-C7
PWB-C2
PWB-C3 PWB-C4
PWB-C6
PWB-C1
MD Mechanism Unit
PWB-C5
PWB-E
236
611x5
611x2
611x2
604x7
604x6
244
271
602x2 609 609 610x2 M971
258
279 259
602x2
609x2
604x3
257 257
604x2
604x2
615
604
243
242
LCD751
241
240
604x10
618
JOG701
(With
JOG701)
267
239
616x13
617x2
265
264
268
603x2
204
202 203247
615x1
201-17
201-11
201-19
201-18 201
-5 201
-8
201
-7
201-13
201-6
201-9
201-3
201-1 609x2
609
615 605
245
231x2
201-22201
-23
201
-16
201
-15
201
-21
201-10
201
-20
201
-25
201-7 201-
29x3
201
-26
201-24201-27
613x4
273x8
201
-2
201-2
609
609x3
232
609x2 T801
252 252
253
253
609
609
609x2
609x2
609x2
617x2
607x2
254
609x3
609
609x2
610x2
233
234
235
248
249x2
609x3
608 609 609 270x2
251
614x4
609
Silicon
Grease
Silicon
Grease
Silicon
Grease
260
281
280
601x2
201
201-28
250
IC201
Q861
Q880
Q841
Q821
Q831
278
201-14
269
277
606x2
261x2
263x2
262x2
UNA
901
(With
UNA901)
620 PWB-B3
272
201-4
201-12
: Eliminated/Change PARTS
– 14 –

MD-X7
– 15 –
Figure 15 SPEAKER EXPLODED VIEW
A
B
C
D
E
F
G
H
123456
C1
2.7µF, 100V, Film Capacitor
TWEETER
SP3 (L-CH)
SP4 (R-CH)
WOOFER
SP1 (L-CH)
SP2 (R-CH)
BK
RED BK
RED
TWEETER
SP3 (L-CH)
SP4 (R-CH)
WOOFER
SP1 (L-CH)
SP2 (R-CH)
SHARP
901
907
908
904
911x2
910x4
903x4
905
902
909
906
SP3 (L-CH)
SP4 (R-CH)
SP1 (L-CH)
SP2 (R-CH)
RED
BK
C1
C1+Cord
Ass'y
BK

MD-X7 PACKING OF THE SET
FRONT
Speaker
Mirror Mat
MAIN UNIT
FRONT
FRONT
TOP
L Mark
R Mark
2(Right)
SSAKH0022AWZZ
Polyethylene Bag, Unit SPAKA0161AWZZ
Packing Add., Left/Right
SPAKC0600AWZZ
Packin Case
92L61000MDX700
Label, Feature
Speaker
REAR
92L70032000910
Polyethylene Bag,
Speaker
92L72000MDX700
Packing Add.,
Top/Bottom,
Speaker
92L72000MDX700
Packing Add.,
Top/Bottom,
Speaker
92L74231001500
Pad, Speaker
TLABN0001AWZZ
Label, Serial Month
TLABR0933AWZZ
Label, Bar Code
DFZKN0001AW01
Label, VM/ No.
Remote
Control
: Not Replaceable Items
Front
92LBAG1460C1
Polyethylene Bag,
Accessories
Batteries
Spanish
Tag
Operation
Manual
FM Antenna
AM Loop Antenna
92L71525002800
COPYRIGHT 1997 BY SHARP COPORATION
ALL RIGHTS RESERVED.
No part of this publication may be reproduced,
stored in a retrieval system, or transmitted in
any from or by any means, electronic, mechanical,
photocopying, recording, or otherwise, without
prior written permission of the publisher. A9711-1779NS•HA•M
SC•LAG
SHARP CORPORATION
Communication Systems Group
Quality & Reliability Control Center
Higashihiroshima, Hiroshima 739-01, Japan
Printed in Japan
©