Kenwood KDC-216S Service Manual page 9

A B
REAR
J5
R227 R228
30K 30K
Q223 Q224
MUTE
DC CORD
(E30-4783)
KDC-216S
REAR
Q40
5.0V
IC8
60
IC11
RESET
MUTE DRIVE
18
5V
0V
Q102
R127
61
47K
2.2K
10K
R129
64
2.2K
ILL+B
KEY
R130
66
2.2K
5.0V
15 13 11 9 7 5 3 1
C104 R131
14 12 10 8 6 4 2
J3
15P 6.8K
X1
C105 4.19MHz
15P R120
10K
C D
(X25-8690-XX)
D268
D264
D266
D262
41
R256
1K
Q251
10K
40
DC CORD
47K
(E30-4784)
KDC-2018
BU5V
43
+5V
5.0V
0V
CP1
10K
CP3 CP2
1K 2.2K
R264
47K
0V
5.0V
5V
0V
0V
5V SVR
0V or 5.0V
5V
0V
0V
5V
or 0V 5V
61
0V
REMO 0V P-MUTE
62
R-CLK MUTE
5V
63
0V
CH-REQC
CLK
5V
64
5V
CD-SW1 0V
5V 0V
DATA
65
KEY-REQ 0V
66
CD-SW2
67
VSS 0 0V
5V
68 0V
VDD 1 IC2 TYPE0
69
X2 IC2 TYPE1
0V VSS 1
70 IC1
0V or 5.0V TYPE0
X1
71
IC 0V u-COM
72
XT2
73
5.0V
XT1
74 0V or 5.0V TYPE1
VDD 0
5V
75
AVREF0 0V 0V or 5.0V TYPE2
76
5.0V TYPE REF
S-METER
0-4.0V
77
CH-CON
PHONE
5V
78
0V SD
NOISE
79
N.C
N.C
80
5V 5V N.C
AV CONT
0V 0V
5V N.C
5V
0V
0V 5V
N.C
0V
5V 5V
LO/DX
5V
0V 0V
0V
AFS
76
ILL+B
E F
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
R21
D20
33K
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
27 2 2.2u50
40
AC OUT R 4.1V CREF
+
C205
2.2u50
26 3
4.0V L 3
FL OUT FL 4.1V
39 +
25
R119 47K FR OUT FR
38
24
C204
RL OUT RL
2.2u50
R117 1K R118 10K 4
37 23
R 4
RR OUT RR
+
36 R115 1K R116 10K
22 5
CDR
VDD 8.2V
21 6
CD GND
GND 0V
35 R114 47K
7
CDL
8
34 R113 47K
PH-
33 9
AFS
C206 R201
32
0.015 2.7K
10
∗ ∗ 20 AM AM
R139 R140 SDA SDA
5.0V
19
47K 47K
0V
SCL SCL
R138
11 C207 R202
18
31 47K 18 S MUTE 3.5V MPX FM
0.47 4.7K
R136
30 47K
12
LEVEL
29
17
QUAL
28
16 13 4.7V
OUT R MP IN
R110
27
15 14 1.0V
27
OUT L MP OUT
26 4.7K
25
24
23
22
21 R58
21
4.7K
R141
100K
R143
2.2K
1 3 5
2 4 6
P1 CN1
G H
(X25-8690-XX)
UNIT D3, R25,
MODEL NAME C51 R139
No. 11,12 140
KDC-216S 0-14 NO NO NO YES
KDC-2018 0-22 YES YES YES NO
10 9
FUSE
7 8
AM+B
SURGE FM+B
DET
POWER
SUPPLY
Q70 R71
D70
82K
IC7
1
0V
GND
D13
14.0V 2
P-CON
∗ ∗
R10
D10 D3 D11
30K 14.0V 3
P-ANT
8.1V
4
FM +B
Q10
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
RF GND
C301
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
2.2 4.7uH
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
R144
2.2K
100K
7 9 11 13 15 17 19 21
8 10 12 14 16 18 20 22
to CD MECHANISM
1/2
KDC-216S/2018
I
1
IC1 : UPD780058GC232
IC2 : TDA7407D
IC4 : TDA7386
IC7 : BA4911-V4
IC8 : HD74HC27FP
IC11 : S-80830ANNP
IC12 : BR24CO1AF
D1 : S2V20 A
D2,3,40,50,101,103,104,251-253
: 1SS133
D4 : SA-C2012-101TB or
IMSA-6801
D10,20,70,201,202,401
: MA4068(N)-M
D11-14,261-263,265,266
: AM01Z or
DSM1SD2 or
2
ERA15-02
D51 : MA4082(N)-L or
HZS9A1L
D102 : B30-1567-05
D106,107
: MA4062-L or
HZS6C1
D264,267,268 : D1F60
Q10,20,70,101 : 2SC4081 or
2SD1819A
Q40 : DTA124EUA or
UN5112
Q50 : 2SA1036K
Q51,53 : UMC2N
Q55 : 2SD2375 or
2SD2396
Q102 : DTA114YUA or
UN5114
Q223,224 : DTC143TUA or
UN5216
Q251 : DTC114YUA or
UN5214
3
SIGNAL LINE
B LINE
J1
4
5
6
X13-
J1
2/2
A
7