Kenwood KDC-MP925 Service Manual page 24

U
KDC-MP925/W8027
CN3
LX-BUS
1 5 9
2 6 10
13
3 7 11
4 8 12
2 CN3
1 2 15 13 11
16 14 12 10
TP111
TP110
6
5
5V
0V
8.4V
18
19
L201
C215
4.7uH
47u16
+
C214
Q202
0.01
E-VOL
MUTE SW
22
OUTLR
C217 1
21
FREEL 21
C216 1
20
4.2V FREER 20
19
SCL 19
5V
18
0V
SDA 18
17 0V or 2.7V or 3.7V
SMUTE
5V
16
AFS
0V
IC2
Q201
E-VOL&N.C.&MPX
15 0-2.6V
QUAL
NOISE
BUFFER
C213
14 0V
MPOUT
0-5.0V
13
MPIN
R203 4.7K
12 0-5.0V
LEVEL
C212 150P
C211
0.47 R202 4.7K
C209 R201 10K
0.022
C210 0.01
24
X34-303x-xx (5/5)
V
H
1 2
4 3
9 7 5 3 1
8 6 4 2
D501
D503
D504
D502
R303
1K
Q303
22K
22K
COMPOSITE
SIGNAL
BUFFER
for RDS
R306 2.2K
87
R307 2.2K
92
R308 2.2K
93
Q202
22K
22K
L307
TP134 4.7uH
8
4.7K
TP131
83
IC16
0.1
7.6V 1
VCC
2
NC2
3
82 64 IN1
C199 0.1
4
63 IN2
0V 5
SGND
MOTOR DRIVER
IC for
PANEL MECHA
W
EXTERNAL DISPLAY &
STEERING REMOTE CORD
IC1 : UPD703030GC041 IC10-13 : NJM4565M-TE2
IC2 : TDA7411 IC14
IC3 : M5237ML IC15,16
IC4 : TDA7560 IC18
IC5 : TDA7401 IC19
IC6 : NJM2195FJ1 IC20
IC7 : ICL7660SIBA
IC9 : TC74HCO2AF
L7
D301
TP2
L303
4.7uH
L304
4.7uH
Q304
Q303,304
84
AM +B
R304
SW
22K
1
100
L305
TP11
4.7uH
TP12
TP13
L306
TP14
4.7uH
Q305
4.7K
R305
4.7K
IC14
16
1
RDCL
QUAL
5V
2
RDDA
0V
15
C309
T57
10P
14
2.4V 3 OSCOUT
VREF
2.4V 4
MPX
C310
5.0V 5
10P
13
OSEL
OSCIN
5.0V
12
VCC
0V 6 11 0V
GND EXTRES
7 10
ARI TM
8 9 RDS
FILOUT FSEL
DECODER IC
TP112
TP113
IC15
10 7.6V 1
0V or
NC10 VCC NC10
9 7.0V 2
OUT1 NC2 OUT1
8 3
0V or
NC8 66 IN1 NC8
7 7.0V
5V 5V
4
OUT2 OUT2
65 IN2
0V 0V
6 0V 0V 5
PGND SGND PGND
MOTOR DRIVER
IC for
PANEL MECHA
X
Q1,8,9,13 : 2SA2057
: TDA7479D Q2,14,16,17,20,22,
: LB1930M 27,29,210,602
: L9820D013TR : 2SC4081
: LM2672M-ADJ Q3,18,19,21 : 2SA1576A
: TC7W66FK Q4,7,12,30,31,501
: DTA124EUA or
UN5112
Q5,11,202,303,503,601,603
: DTC124EUA or
ANT. UN5212
Q6,26 : DTC144EUA or
W2
UN5213
3
Q15 : 2SB1443
Q23 : DTC114YUA or
2
UN5214
1 Q24 : 2SB1240
Q25 : DTA123JK or
KRA105S
Q201,203-208,305
: DTC143TUA or
A1
TP1
UN5216
Q304 : 2SB1188(Q,R)
1
RF GND Q502 : 2SB1427
2
FMANT IN
3
D1 : 1N5393G-M5
AMANT IN
4 D2 : RB160L-40
OSC GND
D3,9 : MA8056-M
TP3
D4 : MA8082-L
5
FM +B D5 : SFPB-54V
D6 : MA8100-L
TP4
6
D7 : MA4062(N)-L
AM +B
7 D8 : MA8110-M
OSC GND1
D10-13,15,209-216
8
OSC GND2
: ISR154-400 or
9
OSC GND3 S1J
10
D16 : MA3056-M
OSC GND4
11
D17 : MA3047-M
VT
TP6
D18 : MA8068-M
12
PLL +B D19 : MA8062-M
D20,21,101,207,208
TP7
13
: DAP202U or
IFC OUT
MA142WA
TP8
D201,202,204,205
14
SDA
: RD6.8M(B2)
TP9
D203,206 : RD6.8MW
15
SCL D217,506-509,601
16
: DA204K
DIG GND
D301 : IMSA-6801
D501-505 : MA3062WA
17
VDD5V
18
IF2 GND
19
IF2+B
20
AUDIO OUT
21
SD
22
S-METER
23
PANEL MECHA ASSY
IF1+B
24
IF1GND
M
TUNER
S-MOTOR
M
F
P-MOTOR
RLED
(1K)
CN7
1 MOTOR+
2 MOTOR-
CN6
15 MOTOR-
10
0V or
TP114 14 MOTOR-
9 7.0V
13 MOTOR-
8
0V or
12 MOTOR-
7 7.0V
11 MOTOR+
10 MOTOR+
6 0V
9 MOTOR+
TP115 8 MOTOR+
TP116
81 7 PH-OUT
6 SW5V
TP118
77 5 SW4
4 D GND
TP128
TP119
78 3 SW1
TP129
TP117 79 2 SW2
TP130
80 1 SW3
KDC-MP925/W8027 (1/3)
Y
1
2
3
SIGNAL LINE
GND LINE
B LINE
B LINE
4
1 MOTOR+
2 MOTOR-
15 MOTOR-
14 MOTOR-
13 MOTOR-
12 MOTOR-
11 MOTOR+
10 MOTOR+
9 MOTOR+
8 MOTOR+
7 PH-OUT
6 SW5V
5 SW4
5
4 D GND
3 SW1
2 SW2
1 SW3
6
7