Kenwood DV-203 Service Manual page 36

BS BT
Q Q
3 7 6 3 1 5 1 5 0
16G
P6 P8 P10 P12
P.B.C. DOLBY DIGITAL MPEG
CD
P7 P9 P11
CHAPTER TRACK CD TEXT
3G 4G 5G 6G 7G 8G
R16 R17 R18 R19
11K 2.7K 3K 5.6K
S10 S11 S12 S13
KARAOKE
R15 R8 R10 R11 R12 R13
11K 2.7K 3K 5.6K 11K 33K
S6
S4 S5 S7 S8 S9
REPEAT
R14 R7 R9
11K 2.7K 3K
T E
L 1 3 9 4 2 2 9 6 5 1 3
S1 S2 S3
R42
D10 D8
220
R2
220
R3
220
+5V
E,T
REMOTE
MPEG
SENSOR
OTHER A1
R56
DTS 4.8V 47K
C
3.7V 3
+5V
R38
4.8V
4.7K 0V 2
1 +
Q7
35V 35V
w w w
BU BV
P15 P20 P23 P28
PCM RANDOM PROG.
L
P14 P19 P22
ANGLE REPEAT ALL
P24
P16 P18
P13
P17 P21
TOTAL A B INDEX
9G 10G 11G 12G 13G
C26
330P
C25
100P
C16 C24
100P 100P
C15 C23
100P 100P
C14 C22
100P 100P
C13 C21
100P 100P
C12 C20
100P 100P
C11 C19
100P 100P
C18
100P
C17
100P
D9
-32.0V
49
G6
50 AM32
G5
-32.0V 51 AM31
G4
-32.0V 52
AM30
G3
-32.0V 53 AM29
G2
-32.0V 54 AM28
G1
0V 55
AM27
35V VFL
56 AM26
TEST IC1
57
AM25
VSS FL DRIVER
+
R1 2.4V 58
AM24
OSCO
10K
2.4V 59 AM23
OSCI
4.9V 60
AM22
+5V VDD
AM21
C7
0.01
4.9V 61 AM20
RES
0.5V 62
AM19
CE
4.6V
63 AM18
CL
0.2V 64 AM17
DI
x a o
y
. i
BW BX
DVF-5010 (X14-483X-XX)
DESTINATION
UNIT No. R17-19
COUNTRY ABB.
GENERAL MARKET M 0-21
GENERAL MARKET M2 0-22
P29 P30 U.K. T
2-71
STEREO
R EUROPE E
P27
KARAOKE DVF-K7010 (X14-483X-XX)
DESTINATION
P25 P26
UNIT No. R17-19
COUNTRY ABB.
GENERAL MARKET M 0-20
CHINA C 3-01
DV-203 (X14-4830-11)
DESTINATION
R17-19
UNIT No.
COUNTRY ABB.
U.S.A. K 0-11
IC1 : LC75712E
IC101,102 : NJM4580ED
Q5-7 : 2SC4081(R,S)
14G 15G
Q101,103,104 : 2SC1740S(Q,R) or
2SC2785(F,E)
Q105 : DTC124ESA
D1-3 : B30-2430-05
C30
D8-10 : DA204U
0.01
D101-104 : 1SS133 or
HSS104
ED1 : 16-ST-20GK
A1 : W02-2571-05
DVF-K7010(M,C) TYPE ONLY
(X14-483X-XX) (B/2)
+12V
-0.6V
Q Q
3 7 6
10u50
WH101
11.2V
A-12V 1
C111
A+12V 2 +12V
0.01
MIC MIX 3
12V
GND 4
MIC SW 5
KARA UP 6
KARA DOWN 7
NC 8
+12V
32 -27.3V
32
31 0V
31
30 -26.6V
30
29 -33.8V
29
28 -26.9V
28
27 0V
27
-24.5V
26
26
25 -24.5V
25
24 0V
24
23 0V
23
22 -24.5V
22
21 -26.9V
21
20 -26.8V
20
19 0V
19
18 -19.7V
18
17 -33.8V
17
u 1 6 3
.
DV-2070 (3/3)
DVF-9010 (3/3)
DVF-5010 (3/3)
DVF-K7010 (3/3)
DV-203 (3/3)
BY BZ
2 4
8 9 9
R59 R60 S10-13 C10 W45-47 C
CAUTION: For continued safety, replace safety critical com-
YES 27K +1.62V
ponents only with manufacturer's recommended parts (refer
NO 0V
NO NO NO NO
56K
to parts list). indicates safety critical components. For
YES +2.5V
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
R59 R60 S10-13 C10 W45-47 C
be carried out (exposed parts are acceptably insulated from
27K +1.62V
YES YES YES NO NO
12K +0.88V
the supply circuit) before the appliance is returned to the
customer.
S10-13 C10 W45-47 C
R59 R60
NO YES 100K NO YES YES +3.2V
The DC voltage is an actual reading measured with a high
impedance type voltmeter with a cassette loaded at play-
back mode. The measurement value may vary depending
SIGNAL LINE
on the measuring instruments used or on the product. Bias
GND LINE
+B LINE
+B
circuit DC voltage is measured while in the record mode.
VR101
IC101
MIC1
11.2V BUFFER (1/2)
MIX C109 R111 3
VOLUME
IC101 2.2u50 1K 1
2
+12V (2/2)
+
0V
C113
4
R117 8 5 0.1
C117 4.7K 7 R109
3 1 5 1 5 0 8 9 2
27K
6
+
Q101 C105
MUTE
R113 120P
22K
0V
Q103
-11.2V
C115 R123
100P
10K
MIC
-11.2V
0.6V AMP
12V 12V
R118 C116
0.6V
4.7K 100P
R114 Q104
C106
22K
120P
11.2V
0V R110
27K
8
6
C114
7
0.1
5
C110 R112 2
2.2u50 1K 1
IC102 VR102
3
(2/2) +
MIC2
D103 4
VOLUME Q105 IC102
12V
(1/2)
-11.2V
D104
MIC JACK
DETECT
3.8V
m
c o
DV-203/2070/DVF-5010/9010/K7010
Y22-7820-00
CA CB
2
8 9 9
MIC1
J101
C101 R101
1u50 220
+
4 9 8 2 9 9
KEY CONTROL
R132
J103
100
R126
100
MIC2
J102
C102 R102
1u50 220
+