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· TYPE: U
MD / CD STEREO SYSTEM
XR-MD90
XR-MD95
S/M Code No
. 09-987-270-5C2
CORRECTION
· BASIC MD MECHANISM: 7ZG-9 A1
· BASIC CD MECHANISM: KSM-542 ABA
XR-MD90
XR-MD95
This Service Manual is replaces "CORRECT" Manual (S/M Code No. 09-987-270-4R1).
IC,TMP87CM23F-2336 and IC,TMP87CM40AF-4A78 is "SUPPLEMENT" Item.


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2
REF. NO
PART NO.
KANRI
DESCRIPTION
NO.
REF. NO
PART NO.
KANRI
DESCRIPTION
NO.
MECHANICAL PARTS LIST 2/2
1
S8-CL1-350-010
KEY,SOUND
2
S8-CL1-340-010
KEY,SET-EDIT
3
S8-CL1-390-010
KEY,SET-FUNCTION
4
S8-CL1-380-100
KEY,SET-F.F
5
S8-CL1-370-100
KEY,SET-CD(GRY)
6
S8-CL1-360-100
KEY,SET-REC
7
S8-CL1-800-000
BADGE AIWA
8
S8-CL1-200-010
PANEL,TOP CONTROL
9
S8-CL1-710-100
PLATE CONTROL PANEL
10
S8-CL1-230-010
KEY,JOG GREY
11
S8-CL1-280-100
CAB,TOP AMP
12
S8-CL1-760-100
PLATE PANEL FRONT AMP
13
S8-CL1-190-100
LENS,DISPLAY
14
S8-CL1-210-000
TRAY,PANEL CONTROL
15
S8-CL1-020-010
PANEL,FRONT AMP
16
S8-CL1-400-010
KNOB,POWER(GRY)
17
S8-CL1-060-010
CAB,BOTTOM AMP
18
S0-041-380-000
LCD DISPLAY
19
S8-CL1-680-000
BKT DISPLAY LCD
20
S8-CL1-640-000
FOOT,RUBBER 10-10-3
!
21
S5-866-361-400
POWER TF EI-66/36
22
S0-900-120-000
COOLING FAN DC12V 0.08A
23
S8-CL1-240-010
BRACKET FAN
24
S0-408-000-020
CORD AC BUSHING
!
25
S2-201-200-000
CORD,POWER 6.5 VDE
26
S8-CL1-220-000
CHASSIS PANEL CONTROL
27
85-ZG1-616-010
MOTOR,FF-050SH-11190
28
S8-CL1-410-000
PULLEY MOTOR TRAY
29
S8-CL1-620-000
BELT,PULLEY AMP
30
S8-CL1-420-000
GEAR,TRAY
31
S8-CL1-430-000
CENTER GEAR TRAY
32
S8-CL1-660-000
BRACKET CORD AC
33
S0-000-010-010
SW,MIRCO MLS-1
34
S8-CL1-890-000
PLATE SUPPOTR X`FORMER
A
87-357-036-010
SCREW ST 2-8
B
87-268-508-310
SCREW,ST1.4-3.5
C
87-352-095-010
SCREW,ST3-8
D
87-741-097-410
SCREW,ST3-12
E
87-261-075-010
SCREW,ST2.6-10MM
BB
F
87-255-169-410
SCREW,4-6
G
87-261-094-410
SCREW,M3-6
H
87-352-097-210
SCREW,ST3-12
I
87-261-074-010
SCREW,ST2.6-8MM
BB
J
87-067-911-010
SCREW,ST1.7-10
K
87-078-157-010
SCREW,ST3-16
L
87-253-095-410
SCREW 3-8
M
87-751-096-410
SCREW,3-10
N
87-251-094-410
SCREW,ST3-6
O
S0-000-305-000
NUT,M3.5-0.5
P
87-078-044-010
FW,3.2-8-1


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3
1
2
3-6
7
8
9
10
11
12-14
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
43
44-47
48
49
IC, TMP87CM40AF-4A85
PRO
DRC/P77
BUSO-BUS3
BUCK
CCE
PUIN
MUTE
HOLD
NC
RMONO
M.SENSOR
CDDR-CLOSE
CDDR-OPEN
STOP
TEST
XTIN
XTOUT
RESET
XIN
XOUT
VSS
CLKSFT
MD-SRST
MD-SREQ
MD-MREQ
MD-ARDY
NC
MRESET
MSTANDBY
MCMD
SCMD
SCK
MSI
MSO
MD-ACLK
MD-SOUT
MD-SIN
REMOTE
NC
VASS
VAREF
O
O
I/O
O
O
I
I/O
I
--
O
I
I
I
I
I
I
O
I
I
O
--
O
O
O
I
O
--
O
O
I
O
I/O
I
O
I/O
O
I
I
--
--
I
Pin No.
Pin Name
I/O
Description
CD door open control output.
CD door close control output.
Data bus.
Data bus clock output.
Chip enable output.
Inside limit switch input.
Mute input/output.
Hold input.
Not used.
Mono rec signal output.
CD door sensor output.
CD door close control input.
CD door open control input.
Connected to power supply.
Test pin.
Connected to 32.768kHz resonator.
Reset input.
Connected to 8.0MHz resonator.
GND.
Clock shift output.
MD reset signal output.
Serial data transfer request for MD control.
Serial data transfer request for MD control.
Serial data send/receive ready output for MD control.
Not used.
Master reset output.
Master standby output for TMP87CH47.
Serial data input for TMP87CH47.
Serial clock output for TMP87CH47.
SIOI serial clock input/output.
SIOI serial data input.
SIOI serial data output.
serial clock input/output for MD.
Serial data output for MD.
Serial data input for MD.
Remote signal input.
Not used.
GND.
Analog reference voltage input.


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4
Pin No.
Pin Name
I/O
Description
50
51
52
53-55
56, 57
58
59
60
61
62
63, 64
KEY5
KEY6
HASMD
BAND0-2
NC
VCC
INH
B
A
CD ON
NC
I
I
I
I
--
--
O
O
O
O
--
Key detect.
Key detect.
Not used.
Tuner band setting.
Not used.
Power supply.
Function switch output.
Function switch output.
Function switch output.
CD power on.
Not used.


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5
SCK
R/W
RS
E
DB7-0
TEST
RESET
XIN
XOUT
VSS
VAREF
CKSFT
KEY1-4
JOG A, B
TRAY
CK
LATCH
INTO
STANDBY
DATA
STEREO
CLK
T-DATA
PERIOD
MUTE
HOLD
XTIN
XTOUT
VDD
MCMO
SCMO
SQ
SI
SIO serial clock input/output .
Read/write select signal output.
Register select signal output.
Read/write enable signal output.
LCD Driver Data Bus.
Test pin.
Reset input.
Connected to 8MHz resonator.
GND.
Analog reference voltage input.
Clock shift output.
Key detect.
Jog detect.
Tray detect.
Clock output for volume IC interface.
Latch output for volume IC interface.
HOLD signal input.
STANDBY INDICATION signal output.
Data output for volume IC interface.
STEREO/MONO select.
Clock output for TC9257 interface.
Data input/output for TC9257 interface.
PERIOD output for TC9257 interface.
Mute signal input/output.
Connected to Power supply.
Connected to 32.768kHz resonator.
+5V.
Serial data output for TMP87CM40.
Serial clock input for TMP87CM40.
SIO serial data output.
SIO serial data input.
I/O
O
O
O
I/O
I
I
I
O
--
--
O
I
I
I
O
O
I
O
O
I
O
I/O
O
I/O
I
I
O
--
O
I
O
I
1
2
3
4
5-12
13
14
15
16
17
18
19
20-23
24, 25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
IC, TMP87CH47U-4A90
Pin No.
Pin Name
I/O
Description