NX-MD1
NX-MD1R/NX-MD1
2-1
AB CD E F G
1
2
3
4
5
Block Diagram
LVA10262-A1
LVA10263-B1/C1
LVA10262-A2
TU1
FM RF
L1
TU
J3001
AC IN
SPEAKER
FM
AM
IC1
FM/AM DET
IC302
SELECTOR
IC301
POWER
AMP
IC801
SYSTEM
MICOM
CN601
CN651
CN321CN407CN408CN451
CN901
CN692
REG.
LCD
MD_PB
IC601
RF&SERVO AMP
IC651
DIGITAL SERVO
&
DIGITAL SIGNAL
PROCESSOR
IC801
FOCUS & SPINDLE & FEED
& TRACKING BTL DRIVER
IC310
RF
IC350
DSP
IC390
DRAM
IC410
DRIVER
IC500
MCU
IC450
MAGNETIC
HEAD DRIVER
IC480
ADC/
DAC
CD
PICK UP
MD
PICK UP
SPINDLE
MOTOR
SPINDLE
MOTOR
FEED
MOTOR
FEED
MOTOR
M
M
M
M
M
CN521
CN612
CAM
SW
SW
FRONT
CONTROL
IC590
EEPROM
CN603
REST&OPEN
SW
CN606
CN602
CD
CN991
CN694
CN691
LOADING
MOTOR
CN601
CN611
CN693
LVA10263-B5/C5
LED
BACK LIGHT
STANDBY
LED
IC721
REMOCON
SENSOR
W911
LVA10263-B2
IC2
PLL
IC3
PLL
LINE IN
CD control section
MD control section
USB section
Relay section
Transfomer section
Transfomer section
J1
CF1, Q1
FM IF AMP
CF2
L6101
L6201
DOLBY
FILTER
X1
CN604
IC251
UNIT MICON
CN522
T9101
MAIN TRANS.
CN995
W905
T9102
STANDBY TRANS.
CN512
CN605
Power control section
J9001
LVA10263-B4/C4
(For B/E/EN/UP/UF) (For B/E/EN)
CN921
CN695
J6301
LINE IN
LINE OUT
Main & system control section, tuner section
CN601
W691
IC431
D/A
J4302
USB
J4301
HEAD
PHONE
W391
CN301
CN511
LVA10182-51A1
CN661
CN605
For
CD test
Q8101-Q8103
INH & RESET
Q9901-Q9903
USB +5V/+3.3V REG.
LINE OUT
AC jack section
LF901
F9009
AC IN
J9001
LVA10263-C4
(For UT/US)
CN921
AC jack section
LF901
F9009
S9001
W911
LVA10263-C2
(For US/UB/UF/UP/UT)
W905
LCD/control switch section
DI701
VOL KEY
LED
LVA10262-A3
MD_REC
Power amplifier section
USB
LVA20015-01A
LVA10182-A2
LVA10263-B4/C4
*
For U version only
*
T9101
MAIN TRANS.
NX-MD1R/NX-MD1
2-2
NX-MD1R/NX-MD1
HAB C DE FG
1
2
3
4
5
RADIO SIGNAL
INPUT SIGNAL(LINE IN)
INPUT SIGNAL(USB)
OUTPUT SIGNAL(LINE OUT)
MAIN SIGNAL
LINE
LINE
USB
LINE
LINE
LINE
USB
USB
USB
LINE
USB
LINE USB
USB
USB
LINE
LINE
LINE
LINE
LINE
LINE
LINE
Standard schematic diagrams
System control, LCD/control swith,headphone & USB section
( To B-2 on page 2-7 ) for U serise
( To B-2 on page 2-8 ) for B serise
( To A-5 on page 2-7 ) for U serise
( To A-5 on page 2-8 ) for B serise
( To A-4 on page 2-7 ) for U serise
( To A-4 on page 2-8 ) for B serise
( To G-2 on page 2-6 )
( To G-4 on page 2-5 )
( To G-4 on page 2-7 ) for U serise
( To G-4 on page 2-8 ) for B serise
( To D-1 on page 2-3 ) for U serise
( To D-1 on page 2-4 ) for B serise
PRT
AMUTE
LCDCS
SMUTE
STANDBY
AHB
STEREO
PRT
LCDRESET
RESET
MDRST
INH
CDRST
MDRST
INH
RESET
AHB
CDRST
LCDCS
STEREO
LCDRESET
SMUTE
AMUTE
STANDBY
LCDRESET
LCDCS
J6301J6301
C4331
R6201
R4315
R4314
R6101
D6304D6303
CN605
IC431
R6203
K4316
K4315
R8051
X8061
K4317
R6103
Q6101
Q6201
R6206
R6106
R6204
R6104
Q6301
R8106
K4303
IC801
CN694
Q7401
R8052
R8053
R8071
R8020
R8021
CN991
R8070
DI701
R8011
R8014
R8022
K4304
R8017
R8018
C4301
CN604
R8024
R8025
R8026
R8027
R8028
R8029
R8030
R8031
R8032
C4302
R8048
K4301
R8049
R8023
R8045
R8046
Q8061 Q8062
R8050
R8081
Q7402
X8071
K4305
K4311
K4312
R6114
R6214
R8083
K4302
L6101
L6201
R6111
R6211
C6201
Q7403
C6101
D8001
D8002
D8003
C6202
C6102
R7103R7104R7105R7106
IC721
S7102S7103S7104S7105S7106
R7102
CN603
S7101
R8019
R8015
R8082
R8084
K4313
R4313C4316
C4315
R4312
X4301
R8016
C4312C4313
C4322
C4320
C4323
C4325
C4326
R4317
R4318
Q6311
Q6312
R6311
D6311
Q8093
C4321
C4324
R6232
R6132
J4301
R4201
R4101
K4318
Q7404
R7412
R7411
R7003R7004R7005R7006
S7002S7003S7004S7005S7006
R7002
S7001
R9901
C7501
CN602
C8003
CN692
Q7507
C7502
Q8094
R8092
S7107
R7107
R7007
S7007
CN691
CN512
Q7508
Q7509
R7504
R7505
R7506
Q7501
Q7502
Q7503
Q8101
Q8102
Q8103
D8102
R9902
Q9903
R9903
Q9901
Q9902
Q6320
Q6321
R6320
R8093
R8095
Q8095
J4302
R8039
R6205R6105
C7503
CN601
R7304
R7305
D7403
D7402
D7401
C8001
R8001
R8002
R8003
R8004
C8009
R8006
R8007
R8008
R8009
C8064
R8033
R8034
R8035
R8040
R8036
R8037
R8038
C8065
R8041
R8042
R8043
R8044
R8063
R8062
C8063
C8066
C8062
C8061
C8071
C8072
R8061
C6111C6211
R6112R6212
R8064
C8067
R7402
R7405
R7408
R7401
R7404
D8011
D8012
C7201
D8019
W691
C7401
R7410
D7305
R7302
K4310
C4311
D7302
C4314
Q7302
K5008
K5007
C6311
R6312
D6312D6313
C6312
R6313
C8008
R7407
D7404
D7405
C6231
C6131
K5006
K5005
K5004
K5003
K5002
K5001
C6302
D7406
R7413
R7301
C4310
R7303
D7301
D7303
W391
Q7301
Q7303
C8005
C8006
R8072
R8065
D8018
D8017
R8005
D8016
D8015
D8013
D8014
C8002
R8074
C8007
R7403
R7512R7513R7514VR761R7511
R7508
R7509
R7501
R7507
R7502
R7503
D8101
C8101
R8102
R8101
R8103
C8102
D8103
R7406
R7409
R9908
R9906R9907 D9901
R9905
R9904
R8054
R6321
R8094
C8091
QNN0018-002QNN0018-002
330P/50
100
22
22
100
1SS1331SS133
QGF1205F1-21
PCM2702ED-X
1K
NQR0269-004XNQR0269-004X
2.2K
QAX0416-001Z
NQR0269-004X
1K
2SD2114K/VW/
2SD2114K/VW/2.2K
2.2K
3.9K
3.9K
DTA144EKA
120
MN101C49GJJ1
QGB2016J1-11
2SC2412K/RS/
1.5
1K
10K
10K
100
100
QGB2016J1-11
10K
QLD0180-001
2.2K
1K
100
1K
1K
QGB2016K1-11
2.2K
1K
1K
100
100
100
100
100
100
2.2K
2.2K
2.2K
2.2K
2.2K
2SC2668/O/-T2SC2668/O/-T
1.2K
2SC2412K/RS/
QQR0779-001ZQQR0779-001Z
220
220
QQR0590-001
QQR0590-001
1K
1K
2SC2412K/RS/
1SS133
1SS133
1SS133
1.5K1.8K2.2K3.3K
GP1U271X
QSW0651-001ZQSW0651-001ZQSW0651-001ZQSW0651-001ZQSW0651-001Z
2K
QGB2016K1-06
QSW0651-001Z
QQR0779-001ZQQR0779-001Z
1.5K0.1/25
0.1/25
1M
QAX0320-001Z
100
22P/5022P/50
10/50
0.1/25
0.1/25
0.1/25
0.1/25
220
220
QQR0621-001ZQQR0621-001Z
2SA1037AK/R/
2SC2412K/RS/
39
MTZJ3.9B
2SC2412K/RS/
10/50
10/50
100
100
QQR0621-001ZQQR0621-001Z
QNS0030-001
QQR0621-001ZQQR0621-001Z
150
150
QQR0621-001ZQQR0621-001Z
QQR0779-001Z
2SC2412K/RS/
2.2K
2.2K
1.5K1.8K2.2K3.3K
QSW0651-001ZQSW0651-001ZQSW0651-001ZQSW0651-001ZQSW0651-001Z
2K
QSW0651-001Z
68
1/10
QGF1205F1-19
0.01/50
QGF1205F1-19
2SK209/G/
1/10
2SC2412K/RS/
100K
QSW0651-001Z
5.1K
5.1K
QSW0651-001Z
QGF1016C1-08
QGF1016C1-08
QVP0008-503Z
2SK209/G/
2SK209/G/
4.7M
4.7M
4.7M
2SA1037AK/R/
2SA1037AK/R/
2SA1037AK/R/
1SS133
68
2SC2412K/RS/
68
2SA1037AK/R/
2SA1037AK/R/
DTC114EKA
10K
100K
1K
DTC114YKA
QNZ0522-001
2.2K
18K18K
1/10
QGA2501C3-05Z
220
220
NSPW510BS/BRS/
NSPW510BS/BRS/
NSPW510BS/BRS/
2.2K
2.2K
1K
1K
100P/50
1K
1K
1K
1K
27P/50
1K
1K
2.2K
2.2K
2.2K
2.2K
2.2K
33P/50
2.2K
2.2K
2.2K
2.2K
8.2K
8.2K
47P/50
47P/50
0.001/50
0.001/50
QAX0401-001
22P/50
22P/50
10K
0.0056/500.0056/50
5.1K5.1K
10K
0.001/50
390
390
390
390
390
1SS133
1SS133
100/10
1SS133
QJK005-051601
1/50
10K
MTZJ7.5C
180
100/10
SLA-360MT3F
100/10
2SC2412K/RS/
100/16
1K
1SS1331SS133
4.7/50
27K
100P/50
390
MTZJ7.5C
MTZJ7.5C
0.01/50
0.01/50
0.01/50
MTZJ7.5C
1K
820
0.001/50
220
SLI-343URC3F
NSPB320BS/VQRS/
QJK008-051600
2SC2412K/RS/
2SC2412K/RS/
100/10
1000/6.3
47
2.2K
1SS1331SS133
1K
1SS1331SS133
1SS133
1SS133
0.01/50
10K
100/10
390
4.7K10K20K15K
4.7M
4.7M
10K
4.7M
10K
10K
MTZJ5.1C
2.2/50
DTC144EKA
DTC114YKA
10K
10K
100K
4.7/50
DTC144EKA
1SS133
390
390
1K
5602.7K
1SS133
1K
10K
DTC114EKA
1K
1K
10K
0.01/50
FTU
LCDSDA
TRSW
AUXR
SW+9V
AUXL
BLCTL
MRDY
TUR
BAND0
BAND1
TUDATA
USBL
AUXR
TUST
TUCK
FCD
FAN
MDSTAT
MDCMND
CE
CL
DI
POWER
SAFETY1
SAFETY2
SAFETY3
KCMND
MSTAT
KCLK
TUL
ARECR
ARECL
GND
AUXL
ARECL
TUL
ARECR
USBR
KEY1
REM
USBR
TUR
KEY2
FTU
USBL
RDSDA
RDSCK
RDSCK
RDSDA
CONTRAST1
CONTRAST2
CONTRAST3
MDSTAT
FAN
LCDSCL
REM
MRDY
LCDRS
FCD
MDCMNDS-IND
TUDATA
P-IND
VOLIND
USB
KEY1
KEY2
SAFETY1
SAFETY2
KCMND
CE
CONTRAST2
P-IND
S-IND
BLCTL
MSTAT
KCLK
LCDSDA
TUCK
TUST
LCDSCL
LCDRS
VOLIND
CL
DI
POWER
TRSW
LCDRS
LCDSCL
LCDSDA
CONTRAST3
CONTRAST2
CONTRAST1
REM
KEY2
KEY1
BLCTL
P-IND
S-IND
MDRECIND
VOLIND
CONTRAST1
CONTRAST3
SAFETY3
USB
NX-MD1R/NX-MD1
2-3
AB CD E F G
1
2
3
4
5
AM/RADIO signal
FM signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Tuner section (A/US/UB/UP version)
( To G-4 on page 2-2 )
STEREO
QAU0161-001
100/10
0.27/50
QAX0610-001Z
56
QAX0677-001Z
470P/50
0.001/50
1/50
LC72136N
0.047
0.1/16
3.3k
68
12P
12P/50
4.7K
0.047/50
12P/50
10K
3.3K
5.6K
10K
0.047/16
10K
LA1838
QAX0677-001Z
10/16
56K
10/16
22/16
0.0015/50
56K
0.0015/50
10K
0.022/50
1/50
1K
100/16
1K
0.47/50
QQR0793-001
1SS133-T2
1SS133-T2
22/16
0.001/50
1000P/50
QQR0796-002
DTA114YKA-X
0.0022/50
QNB0014-001
0.0039
330
220K
330
330
0.01/50
1.8k
330
100K
QAX0402-001
10K
2.2K
2.2K
0.027/25
1/50
47
0.022/16
0.047/50
22/16
10/16
0.047/16
3.3K
1/50
0.22/50
5.6k
1/50
1K
10/16
0.047/50
1K
1K
4.7k
0.047/50
1SS133-T2
1SS133-T2
0.01/50
0.022/50
10K
2SC2814/4-5/-X
24K
10/16
24
0
56
5V
LOUT
ROUT
TUST
9V
TUCK
TUDATA
GND
TU1
C25
C52
CF3
R5
CF1
C49
C6
C51
C12
C11
R15
R17
C15
C13
L1
R16
C58
C16
R29
R41
R21
R28
C54
R27
CF2
C45
R38
C44
C50
C42
R39
C43
R37
C21
C36
R31
C30
R32
C18
D1
T1
D2
D3
D4
C53
C57
C20
Q5
Q1
C48
J1
C17
R33
R3
R4
R2
C2
R23
R25
IC2
R14
X1
R24
R26
IC1
R10
C46
C47
R34C34
C32
C31
C40
C35
R36
C39
C38
R35
C37
R18
C41
C33
R19
R20
R22
C19
C4
C1
R13
R40
C3
R6
R60
R1
NX-MD1R/NX-MD1
2-4
NX-MD1R/NX-MD1
HAB C DE FG
1
2
3
4
5
AM/RADIO SIGNAL
FM SIGNAL
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Tuner section (B/E/EN version)
( To G-4 on page 2-2 )
STEREO
TU1
Q4
C52
CF3
R5
CF1
C10
Q2
C51
IC3
C74
C12
C11
R15
R17
C15
C13
R16
C75
L70
L3
C16
R29
R41
R21
R28
C54
C72
R27
C25
C6
CF2
C55
C56
C45
R38
C44
C50
C42
R39
C43
R37
C21
C36
R31
C73
C48
C30
R32
C76
C26
C27
C18
D1
R30
T1
C71
C70
D2
D3
L2
D4
C53
C57
C20
Q3
Q5
Q1
L1
C58
C49
J1
C17
R33
R3
R4
R2
C2
R23
R25
IC2
R14
X1
R24
R26
R71
R72
IC1
R73
R10
C46
C47
R34C34
C32
C31
C40
C35
R36
R12
C39
C38
R35
C37
R18
C41
C33
R19
R20
R22
C19
X70
R70
C4
C1
R11
R13
R40
C3
R6
C9
R60
QAU0160-001
DTA114YKA-X
0.27/50
QAX0610-001Z
56
QAX0420-001
12P/50
2SC1623/5-6/-X
1/50
LC72723
0.1/50
LC72136N
0.047
0.1
3.3K
68
12P
12P
4.7K
10/50
100
4.7
12P/50
10K
3.3K
5.6K
10K
0.047/16
560P/50
10K
LA1838
100/10
0.001
QAX0458-001Z
33P/50
10P/50
10/16
39K
10/16
22/16
0.0018/50
39K
0.0018/50
10K
0.022/16
1/50
1K
0.1/50
0.0022/50
100/16
1K
330P/50
0.01/50
0.01/50
0.47/50
1SS133-T2
1.2K
QQR0793-001
22P/50
22P/50
1SS133-T2
1SS133-T2
33
1SS133-T2
22/16
0.001
1000P/50
QQR1094-001
2SC1623/5-6/-X
DTA114YKA-X
0.047/50
470P/50
QNB0014-001
0.0039/50
330
220K
330
330
0.01/50
1.8K
330
100K
QAX0402-001
10K
2.2K
1K
1K
1K
2.2K
0.022/50
1/50
47
0.022/16
0.047/16
22/16
10/16
0.047/16
3.3K
4.7k
1/50
0.22/50
5.6k
1/50
1K
10/16
0.047/16
1K
1K
4.7K
0.047/16
QAX0263-001Z
10K
0.01/50
0.022/16
4.7k
10K
2SC2814/4-5/-X
39k
10/16
12
0.001/50
0
RDSDA
5V
ROUT
LOUT
RDSCK
TUST
D.GND
9V
TUCK
TUDATA
GND
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