Service manual

CD-BK260V/CD-BK2700V/CD-BK280V
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A
B
C
D
E
F
G
H
1
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• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
Figure 24 SCHEMATIC DIAGRAM (3/13)
+B2
2
1
3
1
2
3
3
2
1
3
2
1
–15V
M_+12V
P_IN
GND(CD_GND)
R-CH
L-CH
A+10V
GND(D_GND)
GND(A_GND)
GND(M_GND)
VF1
VF2
–VP
SP_RLY
SP_DET
SW_5V
CD_+B
A_+B
GND(A_GND)
P22 1 - C, D
TO MAIN SECTION
8
9
6
5
4
3
2
7
1
10
15
14
13
121110
9
8
7
6
5
4 3 2
1
CH1 OUT OUT CH2
CH2
CH1
–
–
+
+
+VCC –VCC
R-CH
L-CH
1
2
4
3
6
20
7
9
17
18
19
13
8
21
5
14
10
12
11
1
7
2
3
4
5
6
9
8
10
IC901
STK4029S
POWER AMP.
R934
1K
C938
820P
C936
15P
R930
100K
C932
0.001
R932
56K
C930
0.22/50
R938
56K
R936
820
C934
4.7/50
R940
1K
R948
0.22
(2W)
R946
0.22
(2W)
C942
0.22
R942
22K
C940
100/50
R944 100
(1/4W) Fusible
R950
0.1(1W)
R952
1K
C948
0.022
R954
1.5K
Q902
KTC3199 GR
D912
DS1SS133
C946
10/50
C945
10/50
C941
100/50
R945
0.22(2W)
R943
100(1/4W)
Fusible
R935
1K
R941
1K
C937
15P
C939
820P
R939
56K
R937
820
C935
4.7/50
R947
0.22(2W)
Q904
KTC3199 GR R956
56K
R955
56K
C952
0.047
(ML)
R958
4.7
C953
0.047
(ML)
R959
4.7
R988
R986
R981
R982
D914
DS1SS13
3
R949
0.1(1W)
C947
0.022
Q903
KTC3199 GR
R951
1K
R953
1.5K
Q905
KTC3199 GR
D911
DS1SS133
R931
100K
C931
0.22/50
R933
56K
C915
0.022
C916
22/50
R909
22K
ZD904
DZ130BSB
ZD905
DZ2.4BSB
R908
560
IC902
KTC2026
C920
47/25
IC903
KIA7810AP
IC903
KIA7810AP
VOLTAGE
REGULATOR
C918
0.1
(ML)
C907
2200/35
C970
6800/16
C921
0.1
(ML)
D916
DS1SS133
C923
47/25
C904
2200/63
C903
2200/63
R902
22K
R903
3.3K
CNS902
BI902
Q914
KTC3199
R901 22K
C949
47/50
Q908
KRA107 M
C969
3.3/50
Q907
KRC107 M
C933
0.001
D913
DS1SS133
IC904
KIA7805AP
IC904
KIA7805AP
CONSTANT VOLTAGE REGULATOR
R957
56K
D917
DS1N404S
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B