Schematic Diagram - Kenwood CT-401 Service Manual

A B
PC BOARD(Component side view)
Q Q
3 7 6 3 1 5 1 5 0
MAIN PCB
1
F301
T200 AL/250V
FUSE USED ONLY
ASIA VERSION.
DUAL VOLTAGE
USED M AREA
J327
2
J326
SINGLE VOLTAGE
2 USED K,P,E,E2,T AREA
1
2
LIVE
AC CORD
1 NEUTRAL
CN304
MICOM & EEPROM PART
J341~J390
3
LED-A REW
LED-A FWD
B CrO2 SW
A CrO2 SW
K1 J346
T E
L 1 3 9 4 2 2 9 6 5 1 3
J348
GND
CN602
4
LED-A REW
5
LED-A FWD
CN603
+5V
GND 2 GND
K1
1 1 K1
ONLY CT403 ONLY CT401
R370
R371
R366
R389
R367
5
FRONT2 PCB
(CT401) (CT403)
A-FWD A-FWD
S600 S601
GREEN
(CT403)
LED613
R614
6
R613
w w w
(CT403)
1 5
CN602
(CT401) CT401 ONLY
1 2
FRONT2
CT403 ONLY
CN603
.
7
Refer to the schematic diagram for the value of resistors and capacitors.
C D
REGULATOR & RESET PART
J301
J301~J323,J328
J302
SW301
C329
AC 230V AC 115V
C328
J328 J303
D317
C332
D311
SEC-AC~
AC IN PART
J326~J327,329
CN301
CN302
C327
3 1 TRANS
R01
C316
D316
C311
C309
J308
Q302
C310
IC303
EEPROM
24C01
+5V
J371
SCL
J372
RESET
J368
DATA
R355
J367
J342
D305
J343
GND
J366
J344
J345
D307
J375
CF301
LED-B-RVS
64
1
BAR CODE
49 MOTOR B+ SOL-A
16
IC302
C308
MICOM
48 17
SOL-A J362
SOL-B J361
33
32
J360
MOTOR ON
DO J352
CLK J353 R369
R375
LCK J354
DE J355 R374
2 CN607 16
R368
J357
1 15
R393
MAIN PCB
CT401(KXF1030)
CT403(KXF3030)
FRONT1 PCB
(CT401)
(CT403) (CT403)
A-STOP
A-STOP A-REV
S604 S603 S602
GREEN
(CT403)
R623
LED614
R626
A-FF A-REW
S618 S617
x a o
y
R610
i
E F
SYSTEM
8
CONTROL
D301
LEVEL METER PART
D302
J209~J210
C315
J325
C335
JK301
R381
DATA
C301 R392
R305
SL16
J324
GND
IC305 PART
J324~J325
REGULATOR
D331
R308
D329
R382
REGULATOR D328
R384
J210
D330
J319
+12V
C306
J320
IC306
GND
C318 C319 J318
R340
D327
J321 IN-MUTE
J322 MUTE
R378
J323 MUTE B+
C325
R241
R385 D324 J251
C324
C326
C322 R209
R203
I G O IC307
REGULATOR R202
R208
C323
R201
R207
J317
MUTE B+ C180
J257
C194 C192
J254
DOLBY
J258
J255
REC/PB
J385
J256
DOLBY PB E Q
C163
R181
1 9
Q Q
1
3 7 6 3
CN601
R171
MECHA CONTROL PART J281~J294 J277
GND
SPEED ADJ
L105
SFR301 BLUE
BIAS L-CH
CMP103
SOL-B
R176
C160
SFR105
L107
C170
REC OSC
RED
CN102
OSC CNT
C166
J273
C171
C333 REC B+
Q122
Q121
E B E B
R173
NOR :H GND
CrO2 :L C167 C168
J272
+12V
J271
R174
R175
J271~J274
OSC PART
VOLUME PCB
VR101
R615
L IN
R IN
GND
K3 L OUT
K2 R OUT
5V
VOLUME
R608 LED607
GND
OE
C606
DO
20 1
CLK
LED608
LCK
(CT403) LED602
RED GREEN
11 10
LED603
RED
S614
NR
J605
J600
LED604
RED
u 1 6 3
J607
J608 LED605
RED
.
S613
LED612
RED
FRONT1
CT403 ONLY
CT401 ONLY
5
G H
LINE OUT LINE IN
2 4
9 9 8
PLAY REC
LINE OUT J201~J208 R166 LINE IN PART
J160~J163
R164
R160A
C154
Q118 JK101
E B
C337 C156
R160 J207 REC-L
MUTE C152 L R179
R162
R383
R167
C153 R170 R169
R165
C196
R307 C155
Q112 E
C339 R156
R155 R163 E B
Q111
C338
C150
C195 R180
R154
C149 E B Q117 R184
R158
C147 R159
J202
R157
R161
GND
R183
C148
R159A
C191
R153
C307
R390 Q116 R217
R145
R151 R152
E B
Q115
DOLBY LEVEL
TP104
C136
J159
R-CH
J158
L-CH C137
J157
R148
J156
R147 REC-R J153 J154
R198 R139 REC-R
C138
C139 C135
R126 C134
C133 R137
Q141 C131 J150
E B
J268
J152
R138
R199
R142
C140
C193
C158
R140
R234
C145
C179 R-CH
J262
1 2 R124
GND
TP106 GND
TP105
REC LEVEL C125
REC-L
1 2 L101
C164 C175
C178 C129
C127
C176
C177
R192 E B
Q105
R182 R193 R123
3
1 5 1 5 0 8 9 2 4
R119
R172 R113
R194
A/B
J118
J276
SFR103
GND
PB A
B DECK L-CH J117 DECK
L106 SFR107 SFR108 SFR101
BLUE
L-CH
C109
C111
BIAS L
R105
TP101 C123
BIAS R-CH
C119
1 2
SFR106
J104 R101
R118
RLY101
REC-L
J103
C122
REC-R
8 1
R103
C116
IC101
PB EQ IC
1 2
9 16
J116
C108
C103 C124
1 2
C114
TP103
R108
OSC
BIAS R
CMP101
R106
Q103 D102
C169 A DECK CNT
C110 J112
E B
SFR102
C112
B RECK R-CH CMP102
POWER SW PCB
CN108
5
POWER
1
m
c o
I J
2
9 9
J163
J162
R129 R130
Q113 Q114
B E B E B
R131
R132
J161
C141
C142
+12V
R128
R127
L103 L104
BLACK
BLACK
C182
C181
R134
J160
REC-L
REC-R
REC-L
REC-L
REC-R
R133
C130
C132
R122
J150~159
DOLBY B NR PART
PB EQ PART
J101~J123
J123
R117
C126
L102
C128
E B
9 Q106 8 2 9 9
R120
R114
SFR104
PB A
DECK
R-CH
R104A
J120
GND
R125
C121
C120
C101
C106
R245
GND2
REC VOLUME CNT
5 1
CN104
CN103
6