JVC MX-J270V

ABCD E F G
1
2
3
4
5
2-3
MX-J270V
TAPE P.B. signal
DSP signal
MIC signal
FM/TUNER signal
CD/AUDIO signal
MAIN signal
AM signal
VIDEO/CD signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified.
SHEET 2/8
SHEET 7/8
SHEET 7/8
SHEET 8/8
SHEET 4/8
SHEET 8/8
SHEET 1/8
SHEET 3/8
SHEET 3/8
SHEET 5/8
SHEET 5/8
SHEET 6/8
L2 MW Block Coil
R116
11K
+
C208 25V10
Q312
KTA1267
R211 470
JA301
AUX INPUT
R-CH
R110 15K
R106 1K
Q101
2SC3576
Q201
2SC3576
D302
1SS133
D303
1SS133
R206
1K
R109
4.3K
Q301
DTA114ES
1 2 3
G
4
5 6 7
VCC
8
+
-
+
-
IC301
BA15218N
GND
Q202
2SC3576
R209
4.3K
R111
470
R119 3.3K
R301 100K
R314
10K
R305 220
R204 2.2K
R313
100K
1 2 3
G
4
5 6 7
VCC
8
+
-
+
-
IC307
BA15218N
1 14 2 15 3 16 4 17 5 18 6 19 7 8 9 10 11 12 13
CN309
R114
47K
+
C304
10V100
C301
0.001
+
C203
25V10
C201
220P
+
C105
25V10
+
C307 10V100
+
C319
16V47
+
C207
25V10
+
C308
16V47
+
C205 25V10
R225 10K
R125
10K
C215 0.047-M
C216 0.039-M C217 0.01-M
C115 0.047-M
C116 0.039-M C117 0.01-M
C320
0.022
+
C306 16V47
+
C103
25V10
C316 150P
+
C315
50V4.7
+
C314
50V4.7
+
C313
50V4.7
+
C312
25V10
+
C339
50V0.22
R319
2.2K
R320
1K
R321
1K
R316 330K
R315
180K
+
C317 10V100
C118 470P
C218 470P
+
C114 25V10
+
C214
25V10
LATCH DATA SCK
R226
120K
R126
120K
C219
0.12-M
C119 0.12-M
C120
0.12-M
C220
0.12-M
+
C221
10V100
+
C121
10V100
R128
2.2K
R129
8.2K
R131 8.2K
R127
2.2K
R227
2.2K
R228
2.2K
R231 8.2K
R229
8.2K
Q204
KTC3199
Q104
KTC3199
R130
10K
R230 10K
R324 100
R325 1.5K
D315
MTZ5.1JA
+
C322 16V47
D317
1SS133
D316
1SS133
+
C110 25V10
R326 22K
R330
3K
R323 5.6K
+
C122
25V10
+
C222
25V10
C101 220P
R208
47K
R115 4.3K
1 2 3 4 5 6
CN310
1 2 3 4 5
CN308
1
2
3
4
5
6
7
8
9
10
CN302
R221
4.7K
R121
4.7K
R216
11K
R215
4.3K
+
C107
25V10
R214
47K
L302
10uH
+
C204 25V10
+B
MIC
AG
REC-OUT
TO TAPE PCB
REC-L
NC
REC-R
SW8V
PB-L
AG
PB-R
MSI
MB
MG
D306
1N4003
L303
F.B
+
C341
10V1000
C344 0.01
+
C340
10V470
+
C240
50V3.3
L304
F.B
R354
100K
D.GND
SCK
SDATA
DSPSTB DSPRESET FTU
R132
2.2K
R232
2.2K
R342
2.2M
R344
47K
R343 22 R345
100K
C330
0.015-M
C333
680P
C332
0.0018
C331
33P
+
C334 50V1
Q313
KTC3199
Q314
KTC3199
D322
1SS133
R346 470
+
C335
10V100
Q315 KTC3199
Q916
2SB1375
+
C337
50V47
C925
0.01
+
C922 16V22
+
C921 25V4.7
Q914
KTC3199
Q913
2SA1175
D916
MTZ3.9JAT
R930
1K
R929 100K R928
100
TO SPEAKERS
TO HEADPHONE PCB
AM-IN
FM-G
FM-IN
AM-G
D.GND D.GND
5V 5V
Y.OUT
C.OUT
VIDEO
V.GND
PERIOD
LATCH
PRI
SPK FTU
MRDY
SMUTE
POUT
DSPSTB
MRESET
OSD
OSCS
OSCK
OSDATA
MPX
MSIN
FAUX
SAFETY
6V NC
MCMD
MSTAT
SCK
SDATA
DG
FL1
FL2
-35V
MCLK
D327
1N4003
R924 680
R926
5.6K
R347 10K
D325 1SS133
D324 1SS133
TO MIC SECTION
L-CH
+
C347
16V47
+
C202
50V1
R348
3.3K
ST-BY GND
1
IN -
2
IN +
3
IN + MUTE
4
N.C
5
BOOST
6
VDD-PRE
7
VSS-PRE
8
ST-BY
9
MUTE
10
N.C
11
N.C
12
VDD-OUT
13
OUTPUT
14
VSS-OUT
15
IC101
TDA7295
ST-BY GND
1
IN -
2
IN +
3
IN + MUTE
4
N.C
5
BOOST
6
VDD-PRE
7
VSS-PRE
8
ST-BY
9
MUTE
10
N.C
11
N.C
12
VDD-OUT
13
OUTPUT
14
VSS-OUT
15
IC201
TDA7295
RY901
RELAY
JA303
SP-TERMINAL
1
2
3
4
CN305
1
2
3
4
5
6
7
8
9
10
CN901
D903 1N5401
D901
1N5401
D902
1N5401
D904
1N5401
D905
1N4003
D906
1N4003
C904 0.068-M
C901
0.068-M
C903
0.068-M
C902
0.068-M
C907 0.1-M
+
C905
50V2200
+
C906
50V2200
+
C908
25V3300
R932
10K
D911
1SS133
D912
MTZ5.1JA
D909
MTZ33JCT
D910
MTZ6.2JAT
D908
1N4003
+
C912
50V4.7
+
C926 6.3V470
+
C911
50V22
C913
0.01
+
C910
63V47
Q901 2SA934(R)
R903
2.2K
R904 100K
+
C914
50V1
Q903
DTC114YS
Q902
DTC114YS
R905
10K
R906
1K
Q316
DTA114ES
+
C336
25V10
L101
R137 82K
R139
1.2K
R136
560
R138
100K
R135 100K
R329
1K
R328
22K
C128
0.015-M
C127 10P
C125
100P
C124
100P
C131 0.1-M
C130
0.1-M
+
C129
50V22
+
C126 16V47
+
C324
50V10
R242
10 UNF.C (1/4W)
L201
R237
82K
R236
560
R239
1.2K
R235 100K
R238
100K
C225 100P
C228
0.015-M
C227
10P
C224 100P
C230 0.1-M
C231
0.1-M
+
C229
50V22
+
C226
16V47
+
C323 50V10
D318
1N4003
D321
MTZ24C
Q206
2SC3576
R234
4.7K
R148
680 UNF.C (1/4W)
R248680 UNF.C (1/4W)R249
820
R149 820
Q106
2SC3576
R250
10K
R150
10K
+
C915 25V10
R147
56K
R331
470K
L +
L -
R +
R -
SPK-SW
R-OUT
GND
L-OUT
D913 1SS133
Q905
2SA1175
Q904
2SB1375
Q906
DTA144TS
Q909
KTC3199
Q908
KTC3199
Q907
DTC144TS
Q205 2SC3576 Q105
2SC3576
R134 4.7K
R907 470
R910
1
R909
1
R908
1
R911
820
R918
1K
R913
910
R917
470
R914 750
R912
6.8K
R921
4.7K
R919 4.7K
R920
2.2K
C916
220P
R922
4.7K
+
C917
50V22
+
C920
16V22
D914
MTZ9.1JA
R339
1K UNF.C (1W)
R341 10K
S4
S4
S4
S2/S3
S3
S3
S1
S1
S1
EP901
GND
R133
4.7K
R233
4.7K
R146
100K
R246
100K
R333
100K
R336
10K
R334
10K
R335
22K
R337 1.2K
+
C328
16V22
+
C329
50V1
Q310
KTC3199
Q311
KTC3199
Q309
KTA1267
D320
1SS133
D201
1SS133
D101
1SS133
+
C327
16V47
R332
100K
R247
56K
+
C326
50V1
D319
1SS133
+
C325
50V0.47
R935
4.7K
D301
1SS133
D304
1SS133
Q910
2SB1375
Q912
KTC3199
Q911
KTC3199
R925
2.2K
R923
47K
D915
MTZ5.6JAT
C918
0.01
+
C919
10V100
MSIN
FL1
FL2
-35V
SMUTE
SCK
FTU
SPK
PRI
C346
47P
R66 2.2K
R65 1K
D53
1SS133
D326
1N4003
Q915
DTC114ES
SDATA
MPX
RIN LIN 5V A.GND
DSPR
FTU
PERIOD
POUT
FTU
FAUX
P.ON
OSD
OSDATA
SCK DSPSTB
MIC
OSCS OSCK
TAPE
-LED
TO DSP PCB
TO DSP PCB
SDATA
DSPL
A.GND
D323
1SS133
+
C302
10V100
R327
120K
C318
0.022
+
C303
16V1000
+
C111 25V10
+
C109
25V10
+
C210
25V10
+
C311 10V100
+
C206 25V10
R220
2.4K
R312 220
R219 3.3K
+
C211
25V10
+
C104 25V10
+
C102
50V1
+
C305
10V100
R322
100K
+
C209
25V10
RF-IN
1
GND
2
GND
3
+B
4
VT
5
OSC-OUT
6
GND
7
IF-OUT
8
TU1 FM FRONT END
AMRF
1
AMSENS
2
FMSENS
3
AMOSC
4
OSCAM
5
VCC
6
AGC
7
GND
8
IFOUT
9
TUIND
10
STIND
11
ROUT
12
FMIFIN
24
MIXOUTAM
23
LPF1
16
VST
22
MPXIN
17
AMIFIN
21
QUAD
20
FMOUT
19
AMOUT
18
LPF2
15
VCO
14
LOUT
13
IC1
TA2057N
XTI
1
FM
2
CE
3
DI
4
CLOCK
5
DO
6
VCOSTOP
7
AM/FM
8
LW
9
MW
10
SDIN
11
IFIN
12
FMIN
16
XT
22
VCC
17
GND
21
LPFI
20
LPFO
19
PD
18
AMIN
15
NC
14
IFCNT
13
IC2 LC72136
D1
1SS133
D3
1SS133
D4 1SS133
D2
1SS133
C1
0.1
X1
VCX5044-001
C51
12P
C52
12P
C54
1-TF
C55
0.0039
C56
0.01
C57
0.01
C58
0.001
C60
150P
L51
220uH
R60 1K
R61
1K
R51
1K
R59
1K
R64
100K
R63
47K
R57
330
R54
1.8K
R55 4.7K
R56
2.2K
R52
3.3K
R53
4.7K
R58
10K
+
C53
16V47
+
C59
10V100
Q51
DTA114YS
D51
1SS133
FLAME GND
R2 27
R1 1K
C2 0.1
+
C3
10V100
CF1
VCF2L3B-113
R14 10K
R13 100K
R12 5.6K
R11
10K
R22
3.9K
R23 3.9K
R15
10K
R16 1K
R6
470K
R7
56
R5 330
R8
330
R20 22K
R19 27K
R17
270
+
C18
50V3.3
+
C11
25V10
+
C22
50V0.1
+
C23
50V0.47
+
C14
25V10
+
C12
10V100
C21 0.01
C20
0.033
C10
0.047
C13
0.01
C5 0.01
C25
0.039
C26
0.039
+
C27
50V1
+
C28 50V1
R26
2.2K
R27 2.2K
CF4
CMU2-456A05
C19
0.01
CF3
VQF1Z2Z-115
C16 0.047
C17
68P
C15
150P
Q1
2SC1923(O)
CF2
VCF2L3B-113
R28 1.5K
R9
100K
R10
1K
C8
0.047
C7
10P
C9
0.047
C6 0.001
R25 5.6K
R24
5.6K
L1 F.B
C31
0.01
SCK SDATA
PERIOD
T2
VQT7A21-111
C30
470P
C29
470P
R251
10K
R151
10K
JA1
ANT-TERMINAL
C62 150P
C63
100P
C34
15P
R70 10K
R18
27K
1 2 3 4 5 6 7 8 9 10 11 12 13
CN306
1 14 2 15 3 16 4 17 5 6 7 8 9 10 11 12 13
CN307
TAPE LED
S2
MPX
+
C108
25V10
+
C106
25V10
D6
1SS133
D5
1SS133
R223
4.3K
C4
0.01
D8
1SS133
D7
1SS133
C36
0.001
D313 1SS133 D314 1SS133
R318
120K
R317
220K
1 2 3
G
45
6 7
VCC
8
+
-
+
-
IC305
BA15218N
R124
4.7K
C112
470P
C212
470P
+
C213 25V10
+
C113 25V10
R122
22K
R123
4.3K
R222 22K
R224
4.7K
R120 2.4K
R349
1.5K
D330
MTZ5.1JA
+
C321
10V47
I/O A
1
O/I A
2
O/I B
3
I/O B
4
CNT B
5
CNT C
6
VSS
7
I/O C
8
O/I C
9
O/I D
10
I/O D
11
CNT D
12
CNT A
13
VDD
14
IC304
4066
1 2 3
G
4
5 6 7
VCC
8
+
-
+
-
IC303
BA15218N
Y0
1
Y2
2
Y
3
Y3
4
Y1
5
INHI
6
VEE
7
VSS
8
CNT B
9
CNT A
10
X3
11
X0
12
X
13
X1
14
X2
15
VDD
16
IC302 4052
1 2 3 4 5 6 7
CN304
1 2 3 4 5 6 7
CN303
Q308
DTC114ES
1
2
3
CN301
R117 47K
R118 470
R217
47K
R218 470
Q305
DTC114ES
Q306
DTC114ES
Q304
DTC114ES
Q307
DTC114ES
JA302
L-CH
R-CH
R103 220
R203
220
R101
43K
R205
4.7K
R105
4.7K
R104
2.2K
Q302
DTA114ES
R102 27K
R202
27K
R201
43K
L301
F.B
R306 10K
R307 10K R309 10K R308 10K R310
1K
D310
1SS133
D3111SS133
D309 1SS133
D308 1SS133
D305 1SS133
Q102
2SC3576
Q103
2SC3576
Q203
2SC3576
Q303
DTA114ES
R107
4.7K
R207 4.7K
R303
1.5K
R108
47K
R210
15K
D307 MTZ5.1JA
R302 220
R212
100K
R113
4.7K
R304
1K
R213
4.7K
R112 100K
MCMD
MSTAT
+8V +8V
M.GND
MRDY
M.GND
OUT.R
A.GND A.GND
OUT.L
D.GND D.GND
BU5V BU5V
TX
MCS
MCLK
MRESET
R942
220
R941
220
R940
220
R939 220
R261 4.7K
R160
27K
R260
27K
R161
4.7K
R351
220
R350 220
R352 220
R353
220
C24
0.01
+
C140 50V3.3
+
C342
6.3V470
1
2
CN311
1
2
CN312
JA304
VIDEO OUT
+
C345
6.3V470
GND
D329
MTZ6.8
D328
MTZ6.8
+
C343
6.3V4700
L305 F.B
IN
1
GND
2
OUT
3
IC901 7805
C927
1-MLC
+
C923
50V2.2
TP-L
TP-GND
TP-R
+
C360
25V10
Q317 DTA114ES
R140
1K
R240
1K
R338
1K UNF.C (1W)
R933
820
+
C909 50V22
R915
330
R934
4.7K
Q318
DTC114TS
R355 22K
D331
1SS133
R67
2.2K
C251
47P
C151
47P
R311 220
R916 330
GND
1
IN1
2
NF1
3
BVN1
4
BIN1
5
BVO1
6
TIN1
7
TVO1
8
OUT1
9
VCC
10
SC
11
PORT1
12
PORT2
13
PORT3
14
BIN2
28
BVO2
27
TIN2
26
TVO2
25
OUT2
24
VC
23
TC
22
BC
21
CLK
20
DATA
19
LATCH
18
VREF
17
PORT4
15
VSS
16
BVN2
29
NF2
30
IN2
31
RIP
32
IC306 BH3854
R262
2.7K
R1622.7K
C64
47PF
R936
3.3 UNF.RES (1/4W)
R927
39 UNF.RES (1/4W)
R901
120 UNF.RES (1/4W)
R245
0.22 UNF.M.F. (1/2W)
R145
0.22 UNF.M.F. (1/2W)
R142
10 UNF.C (1/4W)
R144
10 UNF.C (1/4W)
R244
10 UNF.C (1/4W)
C123
50V2.2(BP)
C223
50V2.2(BP)
D332
1SS133
C37
0.001
C348
0.047
L306
F.B
L307
F.B
+
C336A 25V10
L901 10uH C930 120P
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