Kenwood KDC-316S Service Manual page 9

A B
IC1 : UPD780058GC232 D1 : S2V20 A
IC2 : TDA7407D D2,40,50,101,103,104,251-253
IC4 : TDA7386 : 1SS133
IC7 : BA4911-V4 D4 : SA-C2012-101TB or
IC8 : HD74HC27FP IMSA-6801
IC11 : S-80830ANNP D10,20,70,201,202,401,402
IC12 : BR24CO1AF : MA4068(N)-M
D13,14,261-263,265,266
: AM01Z or
DSM1SD2 or
ERA15-02
1 REQ H 7 RST
13 11 12 8 4 3 2
2 GND 8 Rch
3 B.U 9 REQ C
9 10 6 7 5 1
4 CHCON 10 DATA C
5 MUTE 11 DATA H
6 A GND 12 Lch
13 CLK
∗
D
REAR FRONT
J5 CN2
1 2 3
R227 R228 R225 R226
30K 30K 30K 30K
Q223 Q224 Q221 Q222
MUTE
REAR FRONT
Q40
5.0V
IC8
60
MUTE DRIVE
18
61
∗ ∗
CN3 R173
Q102
1K
1
63
47K
2
10K
ILL+B
KEY
15 13 11 9 7 5 3 1
14 12 10 8 6 4 2
J3
C D
D51 : MA4082(N)-L or Q10,20,70 : 2SC4081 or Q102 : DTA114YUA or
HZS9A1L 2SD1819A UN5114
D102 : B30-1567-05 Q40 : DTA124EUA or Q221-224 : DTC143TUA or
D106,107,403,404,409-411 UN5112 UN5216
: MA4062-L or Q50 : 2SA1036K Q251 : DTC114YUA or
HZS6C1 Q51,53 : UMC2N UN5214
D264,267,268 : D1F60 Q55 : 2SD2375 or
2SD2396
(X25-8690-XX)
J4
1 5 9
2 6 10
13
3 7 11
4 8 12
D268
D264
D266
D262
41
R256
1K
Q251
10K
40
47K
BU5V
SW5V
43
+5V
5.0V
0V
CP1
10K
CP3 CP2
IC11
1K 2.2K
RESET
R264
47K
0V
5V
0V
R127
61
REMO
2.2K
5V
0V
62 5V
0V or 5.0V
R-CLK 5V
0V
0V
5V
5V
or 0V
63 0V
0V
CH-REQC
5V
5V
0V
0V
5V
R129 64
5V
0V
64 CD-SW1
2.2K 5V 0V
65
KEY-REQ 0V
R130
66
66 CD-SW2
67
2.2K
0V
VSS 0 5V
5.0V 68 0V
VDD 1
C104 R131
69
X2
15P 6.8K
IC2 TYPE0
X1
C105 4.19MHz 70 IC2 TYPE1
IC1
X1
0V
15P R120 71
IC 0V
u-COM
10K 72
0V or 5.0V
XT2
73
XT1 5.0V
74
VDD 0
0V or 5.0V
5V
75
0V 0V or 5.0V
AVREF0
76
5.0V TYPE REF
S-METER 0-4.0V
5V
0V
77
PHONE
78 5V 5V
NOISE
0V 5V 0V
79
5V 0V
N.C
5V
80 0V
0V 5.0V
AV CONT
5V 0V 5V
5V
5V
0V 0V
0V 0V
76
ILL+B
E F
(X25-8690-XX)
UNIT
MODEL NAME D CN3 R135 R136 R173
No.
KDC-316S 0-11 YES NO NO YES NO
KDC-37MR 0-12 NO YES NO YES YES
KDC-316V 0-13 NO NO YES NO NO
SIGNAL LINE
B LINE
J2
16 15 14 13 12 11
POWER
IC4 1 2 3 4 5 6
AMP
3.4V D267
D261
D263
D265
ACC DET
Q20
D20
43
R261 R260 C258
430 750 1u50
+
D251 TH1
38
5.0V
IC12
1 8
Q101
VCC
2 7
WP
3
0V
6
4
SCL
VSS
5
SDA
L201
4.7uH
5.0V
0V
E.VOL
IC2
28 1
C203
AC OUT L VREF
5.0V 27 2 2.2u50
40 4.1V
0V AC OUT R CREF
SVR +
C205
3 2.2u50
26
4.0V L 3
FL OUT FL
39 4.1V +
P-MUTE 25
R119 47K FR OUT FR
38
24
MUTE C204
RL OUT RL
4 2.2u50
37 R117 1K R118 10K 23
CLK RR OUT RR R 4
+
R115 1K R116 10K
36
DATA
5
22
VDD CDR 5
8.2V
6
21
GND CD GND 6
0V
7
CDL 7
8
PH-
R114 47K
35 9
AFS
34 R113 47K C206 R201
10 0.015 2.7K
33
20 AM AM
VSS 1
SDA SDA
5.0V
19
32
0V
SCL SCL
TYPE0
C207 R202
11
18
R137 MPX FM
18 S MUTE 3.5V
31 47K 0.47 4.7K
TYPE1
30
∗ ∗
TYPE2 12
R135 R136 LEVEL
29
17
QUAL
47K 47K
28
16 13 4.7V
CH-CON
OUT R MP IN
27 R110
15 14 1.0V
SD 27 OUT L MP OUT
26 4.7K
N.C
25
N.C
24
N.C
23
N.C
22
LO/DX
21 R58
AFS 21
4.7K
1 3
2 4
P1 CN1
28
G H
10 9
FUSE
7 8
AM+B
SURGE FM+B
DET
POWER
SUPPLY
Q70 R71
D70
82K
IC7
1
0V
GND
D13
2
14.0V
P-CON
R10
D10
30K 3
P-ANT
R21
33K
8.1V
4
Q10 FM +B
BU DET
7.9V
5
AM +B
AUDIO+B
8.1V
6
AUDIO +B
SW5
14.3V
49 7
VCC
Q50
5.0V 8
Q53
BU 5V
5.0V
9
V BU 7
5
3 VDD
1
D50
10
47 SW 1
4
42
3 VDD
1
11
52 SW 2
10.3V
12
ILLUM
Q51
SW14V
Q55
SERVO
L4
52mH
D4
TUNER
A1
(X86-3300-10)
C302
0.01
1
C301 RF GND
100u10
2
+ FM ANT
3
AM ANT
L303 4.7uH
4
FM +B
L304 4.7uH
5
AM +B
6
AM LO/DX
7
FM LO/DX
8
IF SELECT
9
RDS OUT
10
21 REQUEST
11
K2I-VTH
12
VCO GND
13
27 FM SD OUT
14
76 FSD OUT
15
FM FM DET OUT
16
AM AM DET OUT
R301 L305 17
COMMON +B
4.7uH
2.2
18
IF GND
19
HI UP ADJ
20
20 PLL CE
21
9 PLL DATA
22
10 PLL CLK
L306
23
P-ON 5V
4.7uH 24
DIG GND
R145
R141
R144 2.2K
100K
100K
R143
2.2K
5 7 9 11 13 15 17 19 21
6 8 10 12 14 16 18 20 22
to CD MECHANISM
1/2
KDC-316S/316V/37MR
I
1
2
DC CORD 3
(E30-4783)
J1
4
5
6
X13-
J1
2/2
A
7