Page 1
SERVICE MANUAL
COMPACT COMPONENT SYSTEM
MX-J300
RM-SMXJ300V REMOTE CONTROL
CLOCK TIMER
1
–+
4 5 6
ECHO
7 8 9
10+10
REC PAUSE
SHIFT
SOUND
MODE
MX-J300
A
U
US
UT
UP
UY
UZ
CD
STANDBY
COMPACT
DIGITAL AUDIO
PLAY & EXCHANGE
1 BIT
DUAL D/A CONVERTER
2 3
SELECT
SLEEP
SET
AUX
FM MODE
FM/AM
PLAY MODE
CD3CD2CD1
C D
/CLEAR
TAPE
A – TAPE - B
ACTIVE
VOLUME
BASS EX.
PHONES
PANEL OPEN / CLOSE
TAPE
MIC LEVEL
MIN MAX
AUX
MIC
EJECT
PLAY
FULL - LOGIC CONTROL
MX-J300
POWERED ROLLING PANEL
AUTO REVERSE
3
CD
2
CD
3
CD
2
CD
1
CD
1
VOLUME
+
–
CD
FM /AM
EJECT
REC/PLAY
Area Suffix
Australia
Other Areas
Singapore
Taiwan
Korea
Argentina
Production country mark
COMPACT
DIGITAL A UDIO
Contents
Safety Precautions
Important for laser products
Preventing static electricity
Disassembly method
Adjustment method
COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD.
1-2
1-3
1-4
1-5
1-24
Flow of functional
operation until TOC read
Maintenance of laser pickup
Replacement of laser pickup
Description of major ICs
1-27
1-28
1-28
1-29
No.20864
Aug. 2000
Page 2
Main section
MX-J300
J301
AUX-L
L301
CN301
3
6
CN307
1
2
4
5
7
8
9
1
2
3
4
5
AUX-R
C319
16V1000
R357 4.7K
+
ECHO
F.B
C203 50V1
C103 50V1
L303
10uH
D311
1SS133
R358
4.7K
+
+
J1
C301 1000P
FLAME GND
5
4
REC-L
A.G
REC-R
PB-L
A.G
PB-R
SW9V
M.B
SHEET 4/6
M.G
To CASSETTE UNIT
MIC
A.G
9V
ECHO
D.G
To Mic-Amp,
SHEET 6/6
R101 39K
C101
100P
C201
100P
R201 39K
1N4003
D312
C358 16V22
R102 6.8K
R202 6.8K
C209 25V4.7
50V1
R359
220
+
C359
1
2
3
MIC
VCC
LOUT
+
16
1K
R360
+
R362
C361
50V1
R361 10K
3
C17 12P
R17 1.5K
L2 AM BLOCK COIL
2
ANT-TERMINAL
FLAME GND
C65
10P
J302
L10 2.2uH
AM
GND
GND
FM
1SS133D31SS133
D4
1SS133
D7
LC1 BPF
D8 1SS133
C4 0.01
C15 10P
R15
C14 0.047
C16
0.047
3
OUT
GND
IN
1
100K
1K
1SS133
D1
C1 0.01
2
D2 1SS133
C20 0.01
C5 0.01
C19 10V100
D5 SVC203
R70 100K
R19 470
L8 100uH
C49
0.01
R1 100K
+
CF1 10.7MHz
C3 0.001
C2
4.7P
R2 47K
IC1 TA2104BN
3.5T
L1 FM-RF
C18 0.01
T2 VQT7A21-111
Q1 2SC1923(O)
C12 0.01
R12 470K
R13 56
R11 330
R71 47K
D6 SVC203
C22 0.001
24
22
23
RFVCC
AM_RFIN
FM_RFOUT
AM_FIL3MIX_OUT4VCC5AM_IFIN6FM_IFIN
FM_RFIN
RFGND
2
1
R14 330
C13 0.01
C21 12P
C109 25V4.7
C151
25V10
5
FK4TK
22K
2.5T
L6 FM-OSC
R72 22
20
21
FM_OSC
AM_OSC
C36
CF2
10.7MHz
C102 50V1
C202 50V1
+
+
6
LIN
C362 0.33
D9 1SS133
D10 1SS133
19
OSC_OUT
C35
0.01
+
10V100
C33 0.0015
C34
JP101
7
BIAS
18
ST_IND
7
+
+
C363 0.068
10K
R26
50V1
C360
25V10
8
GND
RIN9LP10LP11LP12ROUT13A14B15C
+
17
IF_REQ
GND8AGC
+
+
+
BA3837
IC351
C251 25V10
R18 100
16
DET_OUT
9
+
C108
25V4.7
C208
25V4.7
JP201
Q351
DTC114YS
C29 0.0068
+
C27
25V4.7
R21 3.3KR16
13
14
15
MPX_IN
LPF2/M_ST
QUAD
R_OUT
10
12
11
CF3 CDA10.7MG80A
25V10
C37
+
+
C210
0.082-M
KOK
Q5
DTC114YS
C25
330P
LPF1/BAND
L_OUT
Q6
DTC114YS
C39 0.015-M
C38 0.015-M
C41
50V2.2
+
+
C40
50V2.2
C211 0.082-M
C30 50V1
C31 0.1
Q8
DTC114YS
C64
1000P
C32 0.1
1
2
3
4
5
6
7
8
9
10
11
12
13
0.082-M
R209 5.6K
+
R23
5.6K
R22
5.6K
IC301 TDA7442D
RIN3
RIN2
RIN1
LIN1
LIN2
LIN3
LIN4
MUXO-L
IN(L)
MUXO-R
IN(R)
BIN(R)
BOUT(R)
BIN(L)14BOUT(L)
C110
D11
1SS133
5.6K
R109
+
C104 50V1
RIN4
LOUT
ROUT
AGND
VS
CREF
SDA
SCL
DGND
TRE(R)
TRE(L)
PS1
LP
C111
0.082-M
+
1000P
1000P
R24 2.2K
D12
1SS133
+
R235
R234 10K
+
Q309
R912
470
D910
MTZ6.2J
+
10K
R315 2.2K
C318
16V22
PCNT
C915
R242 10K
C328
0.01
C323 0.01
+
C324 10V220
C325 0.01
50V22
+
+8V
RY301
12V
R321 10
R322 15
+
-35V
C205
R241
C228
25V4.7
+8V
2SC945
D309
PRT
!
+
50V1
1K
M.GND
Q310
R323 2.2K
D308
1SS133
1SS133
R236 1K
R136 1K
Q305 DTA114ES
Q306
DTA114ES
C904
+
C906
50V3300
+
C905
50V3300
0.1
+
C908
R901 4.7K
C911 25V4700
C910 0.1
D907
MTZ33J
0.01
C914
C916 25V10
+
D908
MTZ6.2J
D909 1SS133
F.B
L302
R141
1K
C128
25V4.7
+
+
OUT.L
OUT.R
A.GND
A.GND
D.GND
M.GND
SHEET 5/6
D307 1SS133
Q311
DTC114ES
+
C322
D305
1SS133
0.068-M
C903
0.068-M
D903
1N4003
D905
1N4003
+
C913
50V22
R903
2.2K
Q901
2SA934
+
R142 10K
R332 220
TX
BU5V
BU5V
D.GND
MRESET
R324 10K
25V10
SMUTE
D901
TS6B02G
C902
0.068-M
D902
1N4003
D904
1N4003
+
C912
D906
1N4003
R904 100
R905
R906
50V1
C105
C320 10V100
R330 220
R331 220
MCS
MCLK
MRDY
SPK
63V47
R902
100
10K
+
C364
0.01
C321
0.01
11421531641751861978910111213
MSTAT
C901
C907 0.1C909 0.1
150
R327
R329 220
CN303
MCMD
1
2
3
4
0.068-M
1
2
3
4
5
6
7
8
9
100 1/4W UNF.F
F1
F2
L304 F.B
Q312
2SC3576
220
R328
J303
CN302
CN901A(1/2)
CN901B(2/2)
SP-L +
SP-L SP-R SP-R +
SW
L
GND
R
S1
S1-GND
S1
S2
S2
S3
S3
S4
S4
SPEAKER OUTPUTTo HEADPHONE
SHEET 6/6
To SECONDARY
MAIN signal
TAPE P.B. signal
AM signal
FM / TUNER signal
CD signal
Q102
2SC2785
R116 10K
R112 6.8K
120K
MTZ5.1J
R54 1.8KR55 4.7K
17
1K
R62
SDI
4
G
+
-
567
R212
R342
C330
25V4.7
R340
R341
16
VCC
-
+
R281
10K
C215 10V100
6.8K
Q202
2SC2785
820
+
33
R343 10K
220
C26 470P
C56 0.01
15
FMIN
AMIN
IC2 LC72136
R67 22K
R58 10K
1K
R68 1K
R69
R63 47K
R111
1.2K
+
C115 10V100
R115
2.2K
10K
R181
123
IC303
VCC
8
R215
2.2K
+
R211
1.2K
R216 10K
D316
1SS133
R344 100K
4.7K
R57 330
R56
14
13
NC
IFCNT
12
IFIN
11
C113 0.12-M
28
C213
C309 16V47
27
0.12-M
26
25
C308 0.01
24
C306
C307
+
23
22
21
20
19
18
17
16
15
Q7
C204 50V1
C43
C42
R25
2.2K
10V22
C212
0.0056-M
C112
0.0056-M
DTA114YS
C44 1000P
C304 0.0012-M
C230
R251
100P
C305 0.1-M
+
+
50V1
C130
22K
22K
R151
C329
50V1
R336 1K
+
C53 50V47
C51
12P
R51 1K
X1
C52
12P
L9 F.B
R110 2.7K
R114 2.2K
R113
+
C114 0.1-M
+
C310 10V100
R304 47
C214
1K
0.1-M
R302 1K
R303
R213 120K
R214 2.2K
R210 2.7K
VCK
VDATA
D301
R334 1K
50V1
15K
R339
Q314
2SC2785
Q313
2SC2785
+
390
R338
R337
100K
C54 1-TF
C55
0.0039
R52 3.3K
R53 4.7K
22
18
21
20
19
PD
XT
LPFI
GND
LPFO
XTI1FM2CE3DI4CLOCK5DO6VCOSTOP7AM/FM8LW9MW10SDIN
VCX5044-001
R60 1K
R61 1K
R59 1K
C62
100P
100P
C63
MPX
SCK
SDO
TUCE
BA15218
D314
1SS133
+
C57 0.01
C331 50V1
C59
10V100
1000P
R27
10K
D303 1SS133
C117
25V4.7
R117 2.2K
R217 2.2K
C217
25V4.7
D302 1SS133
C313
16V47
470
R308
R307 22K
+
C118
25V4.7
R118
4.7K
+
Q103
2SD2144
R119
10K
R219
10K
Q203
2SD2144
+
R218
4.7K
+
R306 10K
C312 25V4.7
AHB
+
LVL
IN 2
NF 2
SUB G
PRE-VSS
OUT 2 -
OUT 2 +
STK402-120
VSS
VCC
IC304
OUT 1 -
OUT 1 +
BIAS
PRE-VCC
N.C
NF-1
IN-1
C218
25V4.7
D315 1SS133
(J/C/E= 13-Pin Ux=15-Pin)
10K
R140
+
C311 16V47
R305 220
R240 10K
Q301
2SC2785
C58
0.001
+
L51
220uH
C60
+
R326 3.3K
470P
C119
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
470P
C219
R325 6.8K
56K
R120
C120
220P
R126
0.1-2W UNF.MF
0.1-2W UNF.MF
R125
R226
0.1-2W UNF.MF
R225
0.1-2W UNF.MF
D318
R335 10k
C223
10P
C220
220P
R220
Q916
2SC2785
+
C923 16V100
R121 680
C122
0.018-M
10P
R123 82K
C123
D317 1SS133
1.5K
R224
1SS133
82K
R223
C222
0.018-M
R221 680
56K
Q915 2SB1375
R918 6.8K
+
C922
D916 MTZ9.1J
100K
R333
114215345678910111213
CN305
FL1
-35V
50V100
R124
R222 100K
25V10
FL2
C121
50V47
R122 100K
C221
50V47
+
C124
1.5K
C224
50V100
+
C921
DG
R227
+
16V100
C925 10V22
C327 0.01
SDO
Q304
DTC114ES
Q302
+
Q104
2SA1175
150-1/4W
Q907 2SB1375
Q911
2SC2785
+
D912 MTZ13J
+
C920 25V10
+
D914 1SS133
SDI
SCK
VCK
TUCE
R309 100K
2SC2785
R138 1K
Q204
2SA1175
R239 10K
DTC114YS
D913 MTZ12J
PCNT
Q913 2SA1175
6V
MPX
SFTY
VDATA
To CTRL P C BOARD To CD UNIT
SHEET 3/6
R312
R311 47K
10K
R310 22K
R127
L101 5uH
R128 22
R129 22
L201
R228
R229 22
R238 1K
R139 10K
R914 1
R915 1
R916 1
R917 1K
Q909
DTA114TS
Q912
R928 33
Q914
2SC2785
+
R931 1K
114215345678910111213
N.C
LVL
FTU
AHB
(KOK)
(ECHO)
To CTRL P C BOARD
SHEET 3/6
Q303
2SA1175
150-1/4W
5uH
22
C125
0.1-M
C126
0.1-M
22
R150
R13022R250
Q908
2SA1175
DTC114TS
100K
R930
C924 16V47
PRT
SPK
PCNT
SMUTE
Q910
R929 2.2K
MCLK
MRESET
R131 10K
10K
R134
R132
390 UNF.C
R232
390 UNF.C
R137 100K
R237
C225
C226
R230
R913 470
MRDY
MCMD
MSTAT
R231 10K
2SD2144
0.1-M
0.1-M
22
8V
M.G
Q105
D304
C314
25V10
+
10K
R135
Q106
2SD2144
R133
390 UNF.C
R233
390 UNF.C
100K
Q307
2SC2785
22
R908
2.2-1/4W UNF.F
Q904
R909
2SB1375
47K
D911
MTZ5.6J
D915
C919 10V100
Q903
DTC114YS
INH
R907
1K
C326
1000P
CN304
1SS133
Q308
2SC2785
C381
0.022
Q905
2SC2785
R910 22K
R911 6.8K
MTZ6.8J
+
Q902 DTC114YS
R314 470K
C315 50V1
R313 470
Q206
2SD2144
Q205
2SD2144
C316 16V47
R316 100K
2SC2785
Q906
2SC2785
0.01
C918
C917
50V2.2
1
MIC signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified.
ABCD E F G
SHEET 2/6
2-3
Page 3
Control section
MX-J300
CLOSE
OPEN
SW PWB (4)
680
R1028
680
R1029
820
R1030
1K
R1031
1.5K
R1032
2.2K
R1033
2.7K
R1034
5.6K
R1035
Note3
R1036
S1001
FL701
KHz
5G
R748 2.2K
KEY4
R752 4.7K
MHz
3
REC
AB
35
38
7G
8G
9G
11G
12G
10G
13G
220K
RA721 220K
RA722 220K
RA723 220K
RA724 220K
RA725 220K
RA726 220K
RA727
7G
8G
52
G953G854G755G656G557G458G359G260G1
G1151G10
50
G12
49
G13
48
TULED
47
CDLED
46
FTU
45
TUCE
44
VOL-
43
VOL+
42
MPX
41
VCK
40
PRT
39
VDAT
38
MODL
37
RDCK
36
INH
35
DETB
34
DETA
33
REM
32
PCNT
31
RDATA
30
BCNT
29
LOAD
28
CLSW
27
OPSW
26
RESET
25
2.2K
R756 2.2K
R755 2.2K
R754 2.2K
R753
TPA
SFTY
TPB
LVL
1K
R757
R759 10K
R761 47K
R1043 47K
R1041 56K
R1042 56K
MRDY
R758 2.2K
NPNPF2
RA728 220K
DTA114ES
R791 2.2K
R789
R788
R785 2.2K
R784
R782 2.2K
R780 1K
R775 2.2K
R778 1K
R773 2.2K
R772
R771 2.2K
R770
R769 1K
R760 2.2K
R764 47K
RA729 220K
Q707
R790 2.2K
R762 10K
Q706
2SA1175
R766
2.2K
R765
2.2K
39
1K
1K
2.2K
2.2K
2.2K
F2
IC702
IR-UNIT
R1049 10K
R1050 10K
FTU
TUCE
MPX
VCK
PRT
VDAT
INH
DETB
DETA
PCNT
+
C723 50V1
D704
1SS133
R763 47K
DTA114ES
GND1VCC2OUT
+
C716
6.3V47
R783 47K
R781
R776
R779 10K
R774 1.8K
R1051 47K
R767 10K
R768 10K
C714 0.01
G9
DTA114ES
Q708
3
10K
10K
Q713
BASS
R707 2.2K
R708 2.2K
R709 2.2K
R710 2.2K
R711
R712 1K
R714
R716 2.2K
R717 1K
R719 2.2K
R720 1K
R722 1K
R724
R726
R727 1K
R728 1K
R729 1K
R730 1K
R731 1K
R733 4.7K
R734 4.7K
MCMD
MSTAT
MCK
SDO
SDI
SCK
L702
10uH
REC
SLEEP
DAILY
2
1
F1
F1
2.2K
1K
1K
1K
R735 1K
R736 1K
R737 1K
R738 1K
R739
R740 220
C702 6.3V220
R741 330
D701
1SS133
D702
1SS133
D703
1SS133
NP
+
P16
NP
220K
RA701
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1K
C703
6.3V220
C704
6.3V220
L703 F.B
P15
P14
P13
220K
RA702
RA703 220K
RA704 220K
75
P15
P16
PLED
AXLED
TALED
RESERVE
OPN
CLS
AHB
SMUTE
ECHO
SPK
KOK
CDRST
RECM
PBM
SOLA
SOLB
MOT
AB
BIAS
RPHD
BC1
BC2
VPP
MDO1MDI2MCK3SDO4SDI5SCK6SHFT7VDD8OSC29OSC110VSS11XI12XO13MMOD14VREF-15KEY116KEY217KEY318KEY419TPA20TPB21LVL22SFTY23VREF+24MRDY
+
+
5
4
FL1
-35V
FL2
DG
SDO
SDI
SCK
TUCE
VCK
VDATA
6V
SHEET 2/6
TO MAIN PWB
SFTY
MPX
(ECHO)
(KOK)
FTU
LVL
INH
AHB
SMUTE
PCNT
SPK
PRT
MRESET
MCLK
SHEET 2/6
MRDY
TO MAIN PWB
MSTAT
MCMD
8V
M.G
J/C/E/EE=13Pin
Ux=15Pin
CN701
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN702
IC703 TA8409S
IN1VCC2OUT3NC4GND5VS6OUT7VR8IN
3
C721 10v100
L704
1
2
CN703
2
CN703
1
2
+
M
-
SW5V
BC2
BC1
RECM
RPHD
BIAS
AB
PBM
VREF+
TPA
TPB
SHEET 4/6
DETA
DETB
TO CASSETTE UNIT
SOLA
SOLB
MOT
1
R799
150
+
R798 390
F.B
MO701
PANEL MOTOR
+
C719 50V22
C718 50V22
L708 10uH
R794 10K
R797 3.3
C722
6.3V220
+
CN704
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
82K
R1039
R795
R796
+
C717 0.1
C720 25V10
Q712
KTC3199
Q714
DTC114YS
DETA
L707 10uH
R1044 10K
R1045 10K
R1046 10K
R713 47K
R715 47K
R718 10K
R721
R723 47K
R725 47K
R732 10K
R1047 47K
R1048 47K
R1038 22K
DETB
47K
PLED
AXLED
TALED
OPN
CLS
AHB
SMUTE
ECHO
SPK
KOK
CDRST
RECM
PBM
SOLA
SOLB
MOT
AB
BIAS
RPHD
BC1
BC2
Q715 DTC114YS
R792 330
R793 10K
9
3.3K
+
18K
R1037 22K
R1040 82K
EON TA
R.D.S
S. MODE
PRGM
98765
P12
220K
RA705
R742 2.2K
C705
ALL
1 CD
RANDOM
10111213141516171819202122232425262728293031323334
P11
P10P9P8P7P6
RA706 220K
RA707 220K
RA708 220K
RA709 220K
RA710 220K
RA711 220K
70
P1071P1172P1273P1374P14
C701
C707
39P
X701
8.0MHz
C709 33P
Q704
2SC2668
0.001
NEWS
RA712 220K
0.1
ST
REPEAT
P5
P4
RA713 220K
MN101C35DYA
C708
33P
MONO
P3
RA714 220K
IC701
2SC2668
C710 33P
INFO
P2
RA715 220K
X702
32.768KHz
C711
Q705
1
P1
N.C
N.C1G2G3G4G5G6G
RA716 220K
RA717 220K
61
P162P263P364P465P566P667P768P869P9
R744
220K
KEY1
22P
22P
C712
R743 2.2K
C706 0.001
2.2K
R745
4.7K
R749
220K
RA718
3G1G2G6G4G
R746 2.2K
KEY2
R750 4.7K
C713 0.01
2
RA719 220K
RA720 220K
R747 2.2K
KEY3
4.7K
R751
Q701
KTC3199
R704
R701
Q709
TALED
C715
0.001
DTC114YS
10K
220K
9G
Q702
KTC3199
G10
DTA114ES
Q710
AXLED
R787 10K
R786 10K
CONTROL PWB
R705
R702
10K
220K
10G
DTA114ES
Q711
PLED
KEY1
KEY2
KEY4
KEY3
Q703
KTC3199
G11
R706
R703
10K
220K
11G
L701 22uH
SW PWB (2)
CN708
CN707
CN706
CN705
W1001
W1005
C1001
CN709
R1019
R1020
R1021
R1022
R1023
R1024
R1025
R1026
R1027
1
2
3
4
5
1
2
3
4
1
2
3
1
2
3
4
5
POWER
1
2
3
4
5
R1008 330
1
2
3
0.01
1
2
3
4
5
S1013
STOP
S1014
680
TUN -
680
S1015
TUN +
S1016
820
REPEAT
1K
S1017
RANDOM
1.5K
S1018
PROGRAM
S1019
2.2K
S.MODE
S1020
2.7K
CANCEL
S1021
5.6K
SET
S1022
12K
TIM/CLK
123
123
R1001
R1002
R1003
R1004
R1007
330
R1006
680
W1002
W1002
LED13
1
2
3
C1002
SW PWB (1)
LED11
red
S1002
680
PANEL
680
S1003
TAPE
S1004
820
AUX
R1005
Note2
Note2
LED12
grn
grn
SW101
JOG
0.01
SW PWB (5)
SW PWB (6)
S1002
S1003
S1023
REC
S1024
DUBBING
S1025
CD REC
S1026
REV MODE
S1027
PRESET -
S1028
PRESET +
S1029
DECK A/B
S1030
DISPLAY
S1031
A.BASS
JW1001
Note3
Note3: Display Test
All Segments of FL is turn On.
All LED is Flashing.
Use only PWB check R1036/JW1001=Non
R1010 680
2
2
W1003
1
2
3
4
1
1
Note2
820
R1011
1K
R1012
1.5K
R1013
2.2K
R1014
2.7K
R1015
R1016
Note2
W1004
W1004
SW PWB (3)
680
R1009
R1017
330
R1018
330
LED15
R1004
Non
J/C
E
18K
12K
A
6.8K
EE
4.7K
U
UR/UX
Non
Non
UX
12K
DOM
18K
E/RDS
EE/RDS 6.8K
S1007
CD1
S1008
CD2
S1009
CD3
S1010
EJE1
S1011
EJE2
S1012
EJE3
S1006
CD
S1005
BAND
LED14
grn
grn
R1005
Non
8.2K
1.5K
820
JW
Non
Non
1.5K
8.2K
820
R1016
Non
Non
Non
Non
Non
18K
5.6K
18K
18K
18K
2-4
SHEET 3/6
HABC DE FG
Page 4
MX-J300
Cassette amplifier section
+
M
-
REC-REV
HALF-SW
REC-FWD
HIGH
Q366
DTC114YS
3.3K
MOTSOLBSOLA
Q367
2SA934
HEAD SW
R388 1K
CASS. GND
114215345678910111213
70uS-A
70uS-B
F-REC
HALF-A
GND
HDP-A
HALF-B
PDET-A
R-REC
SOL-A
SOL-BM+PDET-B
+5V
HDP-B
D354 1SS133
R392 3.3K
1142153456789
D353 1SS133
3.3K
R389
Q368
2SA934
C370
R390 4.7K
Q369 KTC3199
150
R391
16V100
C369
25V4.7
+
+
R387
C371 0.01
Q370
2SA934
C372 0.01
Q371 KTC3199
150
R394
R393 4.7K
101112
13
22K
R375 47K
R376
R378 10K
+
C519 33P
R507 68K
16
REC_OUT2
R407 68K
C419 33P
+
C408 25V4.7
2SA1175
C510 0.0033
C508 25V4.7
15
REC_NF2
C410 0.0033
Q358
+
14
REC_IN2
Q362
DTC144ES
BIAS
R352 100
C352
16V100
C512
R509 150K
C511 25V10
13
ALC
12
C411 25V10
R408 3.3K
R409 150K
+
IC402 TA8189
+
0.056-M
R508 3.3K
C412 0.056-M
R364 10K
Q501
DTC114TS
R521 1.8K
R353 1M
R421 1.8K
R410 1.2k R510 1.2K
Q401
DTC114TS
R365 10K
Q363
DTC114YS
6.8K
R416
( U ONLY)
R517 22K
R420 2.2K
HEAD SW
HALF SW
HIGH
22K
R417
DETA
DETB
Q503
2SD2144S
2SD2144S
( U ONLY)
Q504
R518
2.2K
180P
R380 2.2K
R381 2.2K
R383 56K
R382 6.8K
TPA
C9003
2.2K
R519
( U ONLY)
Q403
2SD2144S
2SD2144S
( U ONLY)
Q404
R371 2.2K
R372 2.2K
R373 2.2K
R374 2.2K
C373
0.01
VREF
2.2K
R418
C9004
180P
CN353
R379 4.7K
TPB
( U ONLY)
R419 2.2K
Q502
2SD2144S
2.2K
R511
R512 3.3K
+
C514 1000P
C513 0.01-M
C516 50V0.22
+
R513
C515
22K
25V4.7
+
C353 10V47
C415
R413
25V4.7
22K
+
+
C413 0.01-M
C416 50V0.22
C414 1000P
2.2K
2SD2144S
R411
R412 3.3K
D351
1SS133
R369 10K
R366 4.7K
D355
1SS133
Q364
DTC114YS
R367 10K
D352
C9102 0.01
Q402
RECM
1SS133
10K
R368
R414 4.7K
R514 4.7K
R370 4.7K
0.0022
C518
0.0022
Q365 DTC144ES
C418
L9001 F.B
R516 6.8K
( U ONLY)
R520 2.2K
L9002 F.B
5
R9001 1K
R504
100
C504
10
R359
C506 220P
C406 220P
C362
+
C501 560P
C401 560P
C363
0.0056-M
R360 10
0.0056-M
C505
+
C405
R404
Q356
2SC2001
0.018-M
10V100
10V100
C404
0.018-M
100
R358 18K
C502 560P
C402 560P
Q357
2SC2001
R501 100K
C403 33P
R401 100K
L501 27mH
C520 150P
R505 15K
C509 0.0033
PB-HD
4
3
2
PB-HD
RP-HD
RP-HD
E-HD
Q355
( E ONLY)
DTA114YS
( E ONLY)
Q353
KTC3200
R356 10K
C417 470PR415 47K
( E ONLY)
BC2
C517 470P
R515 47K
C356
0.0012-M
KTC3200
R355 10K
REC PB
123
( E ONLY)
Q352
IC401 BA3126N
CTL4GND5VCC
C9001
0.001
R386 1K
C420 150P
L401 27mH
RPHD
C355 820P
C357
Q354
DTA114YS
BC1
6
BIAS-COIL
0.015-M
PB REC
789
R354 220
+
C354
L351
C359
16V100
16V47
+
C409
0.0033
R405 15K
C361 0.0068-M
0.01
C360
18K
R357
C507
R502 6.8K
R503 9.1K
C503 33P
24
23
22
21
NF2
CH2_B
CH2_A
CH1_A1CH1_B2NF13EQ14PREOUT15MIX_OUT6GND17EQSW8REC_OUT19REC_NF110REC_IN111GND
R403 9.1K
R402 6.8K
C407
R362 120
Q359
R363 56
2SA1175
R396
4.7
R361
+
25V4.7
20
EQ2
25V4.7
1K
Q361
DTC144ES
19
A/B_SW
PREOUT2
+
R351 10K
0.001
C9002
C351 50V2.2
18
VCC
Q360
+
17
CG
1K
R399
DTC144ES
C9005
C365
C9007
0.01
0.01
FLAME GND
C9006
+
10V100
0.01
CN352
SW5V
13
BIAS
BC2
BC1
AB
RPHD
RECM
PBM
VREF
114215316456789101112
TPB
TPA
DETB
DETA
MOT
SOLA
SOLB
TO CRTL.PWB
SHEET 3/6
C364
0.047
CN351
123456789
REC-L
A.G
REC-R
PB-L
A.G
PB-R9VM.B
TO MAIN PWB
SHEET 2/6
M.G
CASS. GND
TAPE P.B. signal
1
: C356,R356,Q353,Q355 FOR E VERSION ONLY.
: R419 & R519 ,R420 & R520 ,Q404 & Q504 FOR U VERSION ONLY.
RECORDING signal
SHEET 4/6
ABCD E F G
2-5
Page 5
MX-J300
CD Servo & CD Mechanism control section
5
CD CHANGER
CONTROL
4
SHEET 2/6
3
2
RF & SERVO AMP.
DIGITAL SERVO
&
DIGITAL SIGNAL
PROCESSER
1
CD signal
SHEET 5/6
2-6
HABC DE FG
Page 6
MX-J300
Mic & headphone section (Ver. U/US/UT/UP/UY/UZ) Headphone section (Only Ver. A)
J1053
VMJ4026-001
+
+
D851
1SS133
R867 1.5K
R881 2.2K
9
10
11
12
13
14
15
16
G
-
MIXI
ADLPFI
ADLPFO
ADINTO
ADINTI
VCC
MUTE
CR
C871 0.047
4
3
2
1
R869 560
C876 50V1
IC851
BU9253FS
DALPFO
DALPFI
DAINTI
DAINTO
ECHO VR
MIXO
BIAS
GND
R868 4.7M
+
C868 50V4.7
+
8
7
6
5
4
3
2
1
R875 22K
R878 100K
C859
0.01-M
C872 390P
47K
R876
C873 390P
R860
15K
R859
C861
0.0033
4.7K
R858
10K
C858
R882
12K
C1052
Q852
2SC2785
+
C874
16V10
C875 0.01
HEAD PHONE JACK
FW852
1
2
3
4
5
EWR350-30LS
MIC
AG
+B 9V
ECHO
DG
TO MAIN PCB
R879 4.7K
C862
0.01
R861 330
D852
MTZ5.1JB
C860 0.47-M
+
16V22
SHEET 2/6
IC852
+
5
6
7
8
R872
220
50V4.7
+
R866
390
22K
22K
8.2K
C852
C854
0.01-M
BA15218F
-
VCC
0.0047
5
Q851
1K
R862
2SC2785
50V2.2
+
C863
J851
HTJ-064-07AG
4
3
MIC JACK
J850
YKB21-5101A
HEAD PHONE
JACK
10K-A
VR840
L844
L843
L845 4.7uH
FW-4P-L300
FW851
4.7K
R840
C870
10V220
R843 150
R842 150
R863 4.7K
R873
LOUT
R874 10K
GND
12K
123
ROUT
+
4
SW
R871
4.7K
150P
C864
R864 47
R865 27K
R870 4.7K
C853
0.012-M
C855
10V100
C856 0.01
C865
+
150P
C867
+
50V1
C869
C851
R880
R851
R852
R853
10K
C866 330P
10V100
SHEET 2/6
R855 39K
1000P
L1051 47uH
L1052 47uH
C1051
1000P
L1053 F.B
1
2
3
4
W1051
FW-4P-L300
ROUT
GND
LOUT
SW
TO MAIN PCB
SHEET 2/6
C857 100P
Q853
R857 33K
DTA114YS
R856 82K
2
MIC signal
1
SHEET 6/6
ABCD E F G
2-7
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