JVC MX-K1 Service Manual page 38

Main amp. and power supply section
7
VERSION
C391 C393
SUB.POWER INHIBIT
VERSION CN981 JP901
C392 C394
BOARD CIRCUIT
J USA NIL YES 0 1 NIL NIL
C CANADA NIL YES 0 1 NIL NIL
E EUROPE YES NIL 1 0 3300P 0.001
B UK YES NIL 1 0 3300P 0.001
EN NORDIC YES NIL 1 0 3300P 0.001
EE RUSSIA YES NIL 1 0 3300P 0.001
3300P 0.001
EV EAST EUROPE YES NIL 1 0
6
CN901
FFC-12P
1
FL2
2
-35V
3
FL1
4
DG
5
SMUTE
6
PCNT
7
SPK
8
PRT
9
INH
10
SFTY
11
6V
12
(ACSW)
5
CN902
CON-11P
1
R-OUT
2
A.G
3
L-OUT
4
5.6V
5
D.GND
6
M.GND
7
B.CTL
8
SFTY
9
CDA.GND
10
9V
11
TU.GND
4
MAIN AMP BOARD
(MAIN AMP COMBINE)
3
CN981
2
1
A B
MX-K1
C1053
C1054
NIL
NIL
!
0.001
0.001
0.001 C115
50V2.2(BP)
0.001 R120 3.3K
R151
0.001 1K
C121
Q104
KTC3199
R125 56K
R121
C119 27P
10K
+
F2
-35V
F1
SMUTE
PCNT
SPK
PRT
INH
SFTY
ACSW
C219 27P
R221
10K
56K
R225
C221
C215
R220
50V2.2(BP)
3.3K
R251
1K
Q301
C390 DTA114YS
R390 6.3V220
560
+ +
R391
2.2K
C322
!
50V2.2
SMUTE
!
Q907 2SB1375
Q911
KTC3199
ACSW
INH
Q909
DTA114YS
+
Q912
DTC114YS
C D E
2-8
MX-K1
JP101
TDA7295
IC101
RY901
D101
JP102
NOMT
R132 0
L101
R147 1K NOMT
50V22
1.2K R128 0
R127 R133
R233
+
+
Q307 Q308
R319
R228
1.2K
R227
0
50V22
1K NOMT
R247 R320
Q309
L201
R232
+
0
D201
NOMT
IC201 TDA7295
2.2-1/4W UNF.F
!
Q904
R914 1 2SB1375
R909
R915 1
47K
R916 1
+
Q905
KTC3199
Q908
KTA1267Y
+ Q906
KTC3199
Q910
DTC114YS
INHIBIT CIRCUIT
INH
Q903
DTC114YS
Q902
DTC114YS
CD/TAPE PLAY SIGNAL
F G
NO MOUNTED J104
FLAME GND
J103
*
*
SP-L +
SP-L -
*
SP-R -
SP-R +
*
L1051
47uH
R325 Q310 C1051
1000P
R327 CN101
5 5
Q311 4 4
3 3
2 2
1 1
C1052
1000P
C314 D304
1SS133
R131 25V10
10K L1052
47uH
L1053
+
R231 10K
* C1053
* C1054
+
4
SW
R135
3
L
2
GND
1
R
R235
Q105 Q205
CN101
!
!
!
R908
! !
!
!
EP901
! !
1
S1
2
! S1-GND
3
S1
+
4
S2
5
S2
6
S3
7
S3
8
S4
9
! ! S4
+
+ +
Q901
D906
!
1N4001
R902
2SA934
100 1/4W UNF.F
D909 1SS133
R906 10K
R904 100
R918 10K
+
R905 100
D908 MTZ6.2J
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
H I
R238
680
J101
9
8
7
3
2
4
5
6
1
HD-PHJ_4(M.S.)
F.B
0.001
0.001
J