Kenwood DDX3028, Service Manual

Page: 39 / 72

39
DDX3028/3048/3058/318/4038/4038M
DDX4028BT/4038BT/4038BTM/4048BT/4058BT/418
SUB UNIT (1/1)
F1003
FUSE
PATTERN
GND
1.5V 1.5V
0V
1.5V 2.0V
4.9V 0V 0V
0.7V 4.9V 0V 1.5V
1.7V 1.7V
0V 0.7V 4.9V 1.7V
1.5V 2.3V
0V
4.9V
0V
0.9V
0V
IC201
IC211 IC231
IC241
F
B
C
G
SUB UNIT
CN231
VA201
P202 P201
CN201 CN202
CN241 J261 J201
VIDEO
SW
OUT
SW
PANEL
OUT
6dB
AMP
D243
D244
FRONT
VA221
MIC IN
J2000
5/5
BT-
CN341
1/5
MAIN-
CN104
MAIN-
1/5
CN108
4/5
PANEL-B-
CN654
R-CAM VIDEO
FRONT
VIDEO IN
IC201 : NJM2561F1-X
IC211,231 : NJM2535V-ZB
IC241 : NJM2505AF-ZB
D243,244,296,297
: HSU119TRF-E
VA201,210,220,221,251,252,
GND LINE
SIGNAL LINE
VIDEO LINE
B LINE
AV OUT
NAVI
VA281 VA271 VA261 VA291
IN AMP
VIDEO
D297
D296
VA251
VA252
VA220
VA210
VA295
NAF0034-270X :
261,271,281,291,295
TP212
NC
VGND
DGND
1 2 3 4 5 6 7 8 9 10 11 12
NAVI AL
NAVI AG NAVI AR
VGND VGND
VIDEO M SW1
VIDEO M SW2
VOUTSW1
VOUTSW2
NAVI TX
NAVI RX
NAVI REMO
1 2 3 4 5 6 7 8 9 10 11 12
CV OUT
SW5V VGND VGND
DVD CV
VGND VGND
B
G R
VGND
NAVI CSYNC
1 2
GND F-VIDEO
6 5 4
V+
GND
IN
1
2 3
PS OUT SAG
8 7 6 5
GND
VOUT
+B
VIN3
1
2 3 4
VIN1 SW1 VIN2 SW2
8 7 6 5
GND
VOUT
+B
VIN3
1
2 3 4
VIN1 SW1 VIN2 SW2
5 4
1
2 3
GND VCC
4
8
12
SH GND
REMO
A GND
Lch
Rch
2
6
3
7
1
5
10 11
13
9
RED
GREEN
CSYNC
BLUE
TX
RX
15 14
100
R2201
100
R2101
R295 100
1
C2202
1
C2102
1
C2302
75
R288
75
R278
75
R268
0.1
C281
100
R281
0.1
C271
100
R271
0.1
C261
100
R261 R291
L/H H VIN3
L VIN2 H
VIN1 L L
SW1 SW2 OUT
1M
R213
0
R216
0.1
C214
1
C212
1
C211
0.1
C234
1
C231
TP231 TP232
0.1
C201
0
R203
470u10
C202
0.1
C203
10u25
C241
10u25
C242
470
R241
470
R242
1000P
C243
0
R224
0.1
C244
100K R246
0
R239
100P C245
75
R201
L R
6 9 8 7
4
TX RX
75
R228
100
R219
0
R227
1
C233
100K
R245
1M
R235
10u25
C200
22uH
L200
TP211
G B R
1
3
2
1
2
R244
39
TX
RX
4
L
R
B
G
R
B G R
R
B
G
6 7
9
8
10
0.047
C296
R296
470
R251 100
R252 100
DDX3028/3048/3058/318/4038/4038M
DDX4028BT/4038BT/4038BTM/4048BT/4058BT/418 (2/5)
AE AF AG AH AI
1
2
3
4
5
6
7
CAUTION :
For continued safety, re place safe ty critical com po nents
only with manufacturer’s rec om mend ed parts (refer to parts list).
Indicates safety critical com po nents. To reduce the risk of electric
shock, leakage-cur rent or re sis tance mea sure ments shall be carried
out (ex posed parts are ac cept ably in su lat ed from the supply cir cuit)
be fore the ap pli ance is returned to the customer.
• DC voltages are as measured with a high impedance volt me ter.
Val ues may vary slight ly due to vari a tions between in di vid u al in stru-
ments or/and units.