JVC MX-J270V Service Manual page 48

Main section
1
+B
2
MIC
3
AG
R101 43K
L-CH
C151 47P
R102 27K
JA301
L301
AUX INPUT
F.B
C204 25V10
C251 47P
27K
R-CH Q307
43K
5 R201 R202 DTC114ES
JA302
R103 220 R104
L-CH
2.2K
D301 Q101
1SS133 2SC3576
R105
4.7K
R205
D302
4.7K
1SS133
Q306
GND DTC114ES
Q201
C301
2SC3576
0.001
R204 2.2K
D310
1SS133
R-CH
Q301
R203 220
Q305
REC-OUT DTA114ES
R301 100K DTC114ES
+
D332 D303
1SS133 1SS133
+
D304 1SS133
R106 1K
1
REC-L
2
NC 1K
3 R206
REC-R
4
C102
SW8V
5
PB-L
4 6
AG
7 50V1
PB-R
8
MSI L302 Q102 R108 47K
9
MB 2SC3576
10
R110 15K C103
MG 10uH R109 4.3K R111
25V10
+
R208
47K
Q202 C203
R210
R209 R211
2SC3576
4.3K 15K
25V10 Q303
DTA114ES
C202 50V1
+ +
AM-IN
AM-G
3
FM-IN
FM-G
TU1 FM FRONT END
+
C1
0.1
C24 47PF
FLAME GND
0.01
C54
C64
1-TF
+ C55 C57 C58
0.001
0.0039
0.01
C59
10V100
R6
C51
2
12P
R58
10K
C60
C52
150P
12P
C62 150P
C63
100P
Q51
DTA114YS
1
A
SHEET 7/8
SHEET 7/8
TO DSP PCB
TO DSP PCB
CN304
CN303
R118 470
C104 25V10
R117 47K
C105 25V10
R123 4.3K
R122 22K
C106 25V10
C209
R116
R115 4.3K 11K
C107 25V10
25V10 +
R114
47K
+
+ + +
R216 R222 22K
11K
R223 4.3K
+
Q308
DTC114ES
+
+ +
+
470
R344 47K
Q103
2SC3576 Q314
KTC3199
R113
4.7K R342 2.2M
R213
C332
4.7K
+
0.0018
C331
Q203
33P
2SC3576
470
Q313
KTC3199
R304
1K
+
L2 MW Block Coil
+
R18 27K
CF1 R17
270
VCF2L3B-113
+
R19 27K
C11
25V10
C5 0.01 0.033
R5 330 C20
C6 0.001 C30
470P
CF4
C10
0.047 CMU2-456A05
470K R23 3.9K
C25 C29
470P
0.039
C27 50V1
R7 56
CF2
C16 0.047
C28 50V1
VCF2L3B-113
C26
0.039
R16 1K R22
3.9K
+ +
C31 0.01
L1 F.B
B C
TP-GND
TP-L
C119 0.12-M
C118 470P
R124
4.7K
R127
2.2K
R128
C112 C120
R317 220K C121
470P
0.12-M 10V100
R318
120K R126
120K
IC306 BH3854
R226
C212
120K
470P
C220
+ +
R224 4.7K
0.12-M
+
C221
10V100
C219
R227 2.2K R228
0.12-M
C320
C218 470P
0.022
TP-R
+
Q315 KTC3199
Q913
2SA1175
Q914
+ KTC3199
R348 3.3K
+ +
C337
+
50V47
PERIOD
R67 2.2K
MPX D53 1SS133
SCK R66 2.2K
SDATA
R65 1K
CN306 CN307
SHEET 3/8 SHEET 3/8 SHEET 5/8
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified.
D E
D317
1SS133
R327
120K
1SS133 IC101 TDA7295
+
R130
10K
D101
1SS133
Q104
KTC3199
0.22 UNF.M.F. (1/2W)
2.2K
R133 50V2.2(BP) R145
4.7K
C122 C129 L101
25V10
C123
1K
R140
50V22
R137 82K R142
R139 1.2K
C127 10P 10 UNF.C (1/4W)
+
R138 C128
+
100K 0.015-M
R238 C228
C222 100K 0.015-M
25V10
10P
C227
C347 R239
10 UNF.C (1/4W)
16V47
82K
R237 1.2K R242
2.2K
C229 R240
50V22 1K L201
R230 10K
C223 0.22 UNF.M.F. (1/2W)
50V2.2(BP)
Q204
R245
KTC3199
+
D201
1SS133
IC201
TDA7295
1
Q904 R908
2SB1375
R909 1
39 UNF.RES (1/4W)
1
R910
R927
+
Q316
DTA114ES
Q906
DTA144TS
R919 4.7K
C916
Q905
+
2SA1175
220P
C336
R911 820
25V10
Q909 Q908
KTC3199
KTC3199
R920
Q907
2.2K
+
DTC144TS
Q915
DTC114ES
C918
0.01
Q916
R936 2SB1375
IC901 7805
3.3 UNF.RES (1/4W)
Q910
2SB1375
L304 F.B
C340 C343
10V470 6.3V4700
C341
C344 0.01
10V1000
L306
C348
0.047
CN308 CN309 CN310
SHEET 6/8
SHEET 5/8
CD/AUDIO signal
FM/TUNER signal
MAIN signal
VIDEO/CD signal
F
MX-J270V
D319 C325
RELAY
50V0.47 RY901
L +
L -
R -
R +
D321 MTZ24C
1K UNF.C (1W)
R246 100K
R338
R339
R146 1K UNF.C (1W)
+
100K
KTA1267
Q312
R341 10K
R333
C328
100K Q318
DTC114TS
16V22
D331
1SS133
R334
10K D320 4
1SS133 SPK-SW
3
R-OUT
C329 50V1 2
GND
1
L-OUT
Q106
2SC3576
R335
22K
Q311
KTC3199
L307
F.B
EP901
GND
+
+
10
S4
9
S4
8
S4
7
S2/S3
6
S3
5
S3
+ 4
S2
3
D906 1N4003
S1
2
S1
1
S1
D905 1N4003
C910
D908
63V47 1N4003 R901
FL2
C911 120 UNF.RES (1/4W)
50V22
R903
2.2K
D909
C912
MTZ33JCT
50V4.7
C913
R904 100K D910
0.01
MTZ6.2JAT
C909 50V22 -35V
C345 6.3V470 JA304
1 1
F.B
VIDEO
2 2
V.GND
GND
DSP signal
TAPE P.B. signal
MIC signal
AM signal
SHEET 2/8
G 2-3