Kenwood KDC-348U Service Manual page 32

U
KDC-348U/4751SD/BT41U/BT648U
/U4549/U4549SD/U549BT/X395/X695
BU
TP315
TP316
D801
08
112
21
R117
12K
C102
0.1
MUTE
D105
CONT
R118
68K
Q104
134
21
24
SWREG5V
24
21
24
BU3.3V
D4
R2
26 60
1K
D6
∗
A
Q8
∗
W7
Q7
FER
58
∗
Q6
905
26
5 TP420
∗
Q5
0.1
59
906
7
0.1
Q10 11
25kHz
Q9
28
57
CONTROL SW for IC1
AM+B
BU5V
BU
EG5V
28
55
28
K
51
R915
C908 0
0u35 R917
0
∗
C909
0.1
∗
A901
1 GND
2 GND
3 GND
∗
R914
4 GND
28
47K
28
∗
C912
0.1
4 5 6 7 8 9 10 11 12 13 14
D SLOT
32
X34-696x-xx (5/6), X15-1552-70 (1/1)
V
to DC CORD
J1
9 10 11 12 13 14 15
8 7 6 5 4 3 2
27
BU
R103
TP17 1K
R110 R109
47K 68K
TP18
R112
R107
100K
10K
Q102 Q101
C101
R114
0.01
10K
Q103
R115
10K
BU DET
BU3.3V
Q3
C6
0.1 TP924
14.4V
∗
C7
0V
0.1
TP920
TP921
TP922
A8V
TP25
TP27
AM+B
14.4V
BU
A8V
BU5V BU5V
TP26
0V,2.4V,4.8V,10.3V
10
11
TP31
TP30
ILL+B
SERVO+B
SYNTHESIZER UNIT
(X15-1552-70)
C3 220P
CN1
C1 220P
NC 14
C2 220P
NC 13
TP1
SD CS 12
TP2
SCLK 11
NC 10
TP3
VSS 9
TP4
SD CD 8
TP5
NC 7
NC 6 TP6
NC 5 TP7
VSS 4
TP8
VCC 3
SD DI(RXD) 2
TP9
SD DO(TXD) 1
TP10
P1
W
F1 10A
(F52-0023-05)
16
FUSE
1
TP16
D1 TP9
C1
TP10
3300u16
D101
∗
D103
C
R101
R102
4.7K
4.7K
C106
0.022
∗
D
Q105
∗
R152 C105
0 1
24
BU
IC1 : BD49131-V4
CONTROL SW
IC21 : R1114N331B-TR
for SERVO +B
Q4 IC51 : MP2562DS-X
IC71 : BD2224G
IC201 :
∗
IC202 : XC6119N28AN-G
IC203 :
∗
IC261 : MFI341S2162
SERVO
IC301 : TC7SET125FU-F
C4 0.1
+B AVR
Q1
IC401 : E-TDA7415CB
D2
IC501 :
∗
IC601 : TC74VHCT08AFT
Q2 IC602 : TC7SET08FU-F
IC801 : E-TDA7851A
IC1
IC802 : 74HCT2G08DP
0V
IC901 : NJM4565V-ZB
1
GND IC902 : NJM2845DL133B
2
IC921 : TC4053BFT(N)
P-CON
3
P-ANT
Q1 : KTA1046-P
4
AUDIO
Q2,91,101-104
8.5V
: 2SC4081
8.1V
0V
0V
Q3 : RT1N241M-T111
5
AM Q4,6,8,10,93
: RT1P241M-T111
6
VCC1
Q5,7,9,51,94,921
: RT1N436M-T111
13.7V 7
Q92 : 2SC5053
VCC2
Q105 : RT1N441M-T111
5.0V 8
VDD
Q301,302 : RT1P237M-T111
9
SW5V
Q701-706 : RT1N430M-T111
10
Q707,708 : RT1P144M-T111
SEL1
11
Q951 : 2SB1689
SEL2
12
5V
ILM
0V
TP28
POWER
SUPPLY IC
D1 : S2V60-5009F46
D2 : HZS9-E(A1)
10.3V
D3,91,101-104
: 1SR154-400
D4,6 : HSS4148
D51 : CMS14
SERVO+B
D52 : 1SS355
D92,93 : UDZW5.6(B)
D105,401-403,701,702,
801 : MC2846-T111
D106-108 : UDZW6.8(B)
D201 : RB521S-30
D301,308,502
J1
: MC2850-T111
D302-304,601-605,611
1
CD / DAT3
: RKZ6.8KG(B2)
2
CMD
D305,306 : LVS10C270S030
3
VSS1 D307 : HZM6.8ZMWA-E
4
D921,922
VDD
5
: RKZ4.7KG(B2)
CLK
7
DAT0
8
DAT1
9
DAT2
6
VSS2
10
CARD DET
11
COMMON
12
WP DET
KDC-348U/4751SD/BT41U/BT648U
/U4549/U4549SD/U549BT/X395/X695 (1/2)
X
SIGNAL LINE
GND LINE
B LINE
Y