Kenwood KDC-1028 Service Manual page 4

F
S12
a
S13
4b
S15
g
S14
4j
S13
4c
d
(1GB)
1GA
KS3
KS1
KS2
128
NC
127
NC
126
SEG73 KS4
125
S33
SEG72
124
SEG71 S34
123
SEG70
122
SEG69
121
SEG68
120
SEG67
119
SEG66
118
SEG65
117
SEG64
116
SEG63
115
SEG62
114
SEG61
113
SEG60
112
SEG59
111
SEG58
110
SEG57
109
SEG56
108
SEG55
107
SEG54
106
SEG53
105
SEG52
∗
104
C
NC
103
NC
G
a
f
b
S16
g
e c
d
S12
FM+
AM-
S31 S26 S22
S32 S27 S23
2 4 6
S24 S28 S37
S25 S29 S38
5 3 ATT
S35 S21
S36 S39
1 Q DISP
∗
D
H
KDC-1028/128/128CR/128/L4/129/129S/229
ANODE CONNECTION
PIN
3G 2G 1GA,1GB
NAME
P1 2b 2b —
P2 1b 1b —
P3 4a 4a —
P4 3a 3a —
P5 2a 2a —
P6 1a 1a —
P7 — 4m
P8 3m
P9 2m
P10 1m
P11 3b 3b
P12 4b 4b
P13 — 1h S1
P14 — 3h S2
P15 — 4h S3
P16 1f 1f S4
P17 2f 2f S5
P18 3f 3f S6
P19 4f 4f S7
P20 1g 1g S8
P21 2g 2g S9
P22 3g 3g S10
P23 4g 4g
P24 1e 1e
P25 2e 2e S11
P26 3e 3e a
P27 4e 4e b
P28 1c 1k f
P29 2c 1j g
P30 3c 2j c
P31 4c 4j e
P32 1d 1c d
P33 2d 2c
P34 3d 3c S12
P35 4d 4c S13
P36 col 1d S14
P37 — 2d S15
P38 — 3d S16
P39 — 4d —
P40 — 1n —
P41 — 2n —
P42 — 3n —
P43 — 4n —
6
S1
RESET
S41
S42
CP11 10K
3
SRC
IC3
S43
13
S44
EJECT
ESD GND
ED1
IC3
IC4
Q21
Q22-24
Q25
D31-33,37-39,43-45,49-51,70
D34-36,40-42,46-48,52-54
D61-65
D71-77
D96
KDC-1028/128/128CR/128/L4/129/129S/229
KDC-2031SA/SAY/SG/SGY(OKI) (2/2)
I
KDC-2031SA/SAY/SG/SGY
CAUTION : For continued
safety, replace safety critical
c o m p o n e n t s o n l y w i t h
manufacturer's recommended
parts (refer to parts list).
Indicates safety critical com-
ponents. To reduce the risk of
electric shock, leakage-current
or resistance measurements
shall be carried out (exposed
parts are acceptably insulated
from the supply circuit) before
the appliance is returned to the
customer.
• DC voltages are as mea-
sured with a high impedance
voltmeter. Values may vary
slightly due to variations be-
tween individual instruments
or/and units.
S11
VOL
VOL
AUDIO
: 3-BT-223N
DTA114EE
: PNA4S22M
: ML9228GAZ-A
: DTA114EE
: 2SA1774
: 2SC4081
2SA1774
: B30-1567-05 (COLOR:RED)
2SC4081
∗
:
∗
:
: UDZS5.6B
: DA204U
GND LINE
DA204U
B LINE
X16-327x-xx (2/2)
J
1
2
3
4
5
6
7
4