Kenwood CD-203 Service Manual page 9

K L
+B
R101
10K
IC5
2.1V
1bit IC12
MUTE
C45 R122
DAC (1/2)
100u10 10K 2 C51 R103 DRIVE
- 47u16 470
1
+
W69 R93 R95 3
+
+
4 4.2V
2.2K 7.5K
2.1V
C49 Q6
Q7 R109
1600P
1K
C106 C56 0.01
D17
0.047
C120
220u16
+
-B
+B
C50 Q8 R110
1600P 1K
2.1V
IC12
R94 R96 8
2.2K 7.5K 5 (2/2) C52 R104
+ 47u16 470
R121 6
7 +
-
10K
4.2V
R102
2.1V
10K
20KHz L.P.F
X1
16.9344
MHz
W92
B
+8V
+11V
-28V
+5V
R71 4.7K
R70 4.7K
R65
47K R69 4.7K
0V
0V CLS
25 0V
-M
4.7V 0V 26
0V
RTRAYRM
4.8V
27
0V
RTRAYLM 27
28
0V
RTRAYSM 28
29 4.8V
AVDD +5V
30
REF
IC3 31 R72
0V
NC
32 47K
u-COM
XT2
33
(BOTTOM VIEW)
VSS
34
X1
35 R73
2.3V
X2
100K
36
4.8V
DSENSE 36
37
0V
PSENSE 37
38
0V
LDC
39
4.4V
FOK
40
D.R.I.V.E
0V
+5V
+
M N
C (X32- ) (C/8)
0V
IC7
(2/2) L3
2 C61 R119 E2 E1
0V WH2
1uH
C59 R115 220u6.3 8.2
- 1 1 1
W67 2.2u50 10K 3
+
+
+ 8
2 2
C117
W117 330u16
3 3
W133 W132 W112
-12.2V
-B
IC7
(1/2)
C60 R116
W65 2.2u50 10K 5 4
+ 7 C62
+
+
6
0V
-
220u6.3
0V
R174
100
+10V
1/4W
B
( 42 )
R136
100K
( 43 )
D20
+11V
-28V
R179
100
+5V +5V
R98
1.8K 1/4W
R99
1.8K 1/4W
XS8 SL16
R100
+5V
1.8K 1/4W
R75
-10.2V
10K
+5V
R131 180 2W
R132 180 2W
R171 180 2W
-28V AVR
R172 180 2W
R111
Q13
R173 180 2W 100
-28V -B
1/4W
+
+
8.3V
R170
Q14 X
1 1/4W W122 STAND-BY: 12.4V
+11V PLAY : 11.3V
IC6
D13
R165 11.3V
Q9
1 1/4W
8.1V
+11V OUT IN +B + ~
- ~
8.3V
IC PROTECT
+
+
P3
O P
2SA1534A 2SC2785
2SA954
2SA992
2SC2878
J3
HEADPHONE
NJM4565D TA8409S
P2
J1
R107
330
1 Lch CD-203 (X32-3630-11)
DESTINATION
UNIT No.
COUNTRY ABB.
LINE
U.S.A. K
OUTPUT 0-11
CANADA P
R108
330
DPF-R3010(X32-363X-XX)
2 Rch
DESTINATION
UNIT No.
R133 COUNTRY ABB.
D19
330
PX Y
0-22
J2 GENERAL MARKET M
R135 AUSTRALIA X
100K
U.K. T 2-72
SYSTEM
EUROPE E
CONTROL
CD-204 (X32-3630-11)
R134
DESTINATION
330 UNIT No.
COUNTRY ABB.
U.S.A. K
0-10
CANADA P
J6
DPF-R4010(X32-363X-XX)
DESTINATION
CN8
UNIT No.
COUNTRY ABB.
37 REM PX Y
0-21
GENERAL MARKET M
36 POW
AUSTRALIA X
35 GND U.K. T 2-71
EUROPE E
34 +5V
( 61 ) 33 Sp
IC1 : CXA1782BQ 1 X
( 62 ) 32 So
IC2 : CXD2507AQ 1 X
( 63 ) 31 Sn
IC3 : UPD78044FGF023
( 64 ) 30 Sm IC4 : LA6541D
IC5 : TC9293AF
( 65 ) 29 Sl
IC6 : ICP-N20
66 28 Sk
( )
IC7 : NJM4580D
( 67 27 Sj
)
IC8,9 : TA8409S
( 68 26 Si
)
IC12 : NJM4565D
( 69 25 Sh
)
Q1 : 2SC2785(F,E) or
( 70 24 Sg
)
X32-B/2
2SC1740S(Q,R)
( 72 ) 23 Sf
-CN9
Q2,12 : UN4112 or DTA124ESA
( 73 ) 22 Se
Q3 : 2SA954(L,K)
2/2
( 74 ) 21 Sd
Q4,5 : UN4219 or DTC113ZSA
( 75 ) 20 Sc Q6 : UN4212 or DTC124ESA
A Q7,8 : 2SC2878(B)
( 76 ) 19 Sb
Q9,14 : 2SD2012
( 77 ) 18 Sa
Q10 : 2SA1534A
( 78 ) 17 10G
Q13 : 2SA992(F,E)
( 79 ) 16 9G
( 80 ) 15 8G D1-10,19-22,28,201-207,209
: 1SS133 or HSS104
14 NC
D13 : D3SBA20F03
( 1 ) 13 7G
D14 : S5688B or 1SR139-400
( 2 ) 12 6G
D15 : UZ-30BS or MTZJ30(B)
( 3 ) 11 5G
D16,18 : UZ-5.6BSB or MTZJ5.6(B)
( 4 ) 10 4G D17 : UZ-4.7BSB or MTZJ4.7(B)
R130
100 D23 : UZ-8.2BSB or MTZJ8.2(B)
( 5 ) 9 3G
D26 : UZ-10BSB or MTZJ10(B)
( 6 ) 8 2G
D208 : SIR-33ST3
R129
( 7 ) 7 1G
100
( 15 ) 6 KR0
PH1 : T95-0145-05
( 14 ) 5 KR1 PH2 : RPT-38PT3F
-B
( 13 ) 4 KR2
C68 ( 12 ) 3 KR3
0.01
2
F2
C69
+
1 F1
0.01
C85
0.01 P1
(X32- ) (G/8)
E10 E9
WH7
1
F1 1
2
F2 2
T.F
3 2
-30V 3 10
-30V
4
GND 4 9
AC
110-120V
8
(M) 3
7
AC 120V(K)
5
+B 5 6 230V(E)
220-240V
6 5 4
+B 6 (M)
X
S1
CD-203/204(K) (1/2)
DPF-R3010/R4010(M) (1/2)
Y22-7540-10
Q R
DTA124ESA UN4212
DTC124ESA UN4219
UN4112
2SC1740S
NJM4580D TC9293AF
W122,
C IC6 S1 E12
187
CXA1782BQ*1 CXD2507AQ*1
NO NO NO NO YES
C IC6 S1 E12 W122 W187
YES NO
NO YES NO NO
NO YES
W122,
C IC6 S1 E12
187
YES NO NO YES YES
ICP-N20
C IC6 S1 E12 W122 W187
YES NO
YES YES YES NO
NO YES
CAUTION: For continued safety, replace safety critical components only with
manufacturer's recommended parts (refer to parts list).
cal components. For continued protection against risk of fire, replace only with
same type and rating fuse(s). 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.
The DC voltage is an actual reading measured with a high impedance type
voltmeter. The measurement value may vary depending on the measuring
instruments used or on the product. Refer to the voltage during PLAY unless
otherwise specified; The value shown in (
moment of STOP.
CN7
1 1
2 2
110-
(K,P) : AC120V 60Hz
120V
(Y,M) : AC110-120V/220-240V~
50/60Hz
(X) : AC240V~ 50Hz
220-
(T,E) : AC230V~ 50Hz
230V
CD-203/204/DPF-R3010/R3010E/R4010/R4010E
S T
2SD2012
UPD78044FGF023
LA6541D
indicates safety criti-
) is the voltage measured at the