Sharp CD-C2900, Service Manual

Page: 26 / 72

CD-C622/C2900
– 26 –
Figure 26 SCHEMATIC DIAGRAM (7/10)
A
B
C
D
E
F
G
H
1
2 3 4 5 6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
D821
1SS133
D820
1SS133
C909
2200/50
R830
680 (2W)
C910
2200/50
C918 47/50
C93
0.
(M
R93
4.7
D904
1SS133
D903
1SS133
D906
1SS133
Q907
2SC3331
Q906 2SC3331
R928 1K
R930
10K
Q904 2SC3331
R936
56K
C938
47/50
R925
0.1(1W)
D833
1SS133
D832
1SS133
C828
0.1 (ML)
C827
0.1
(ML)
C833
0.1 (ML)
Q822
KIA7806P
3 1
Q821
AN78L05
1
Q824
KIA7812P
3 1
R827 22K
C826 47/25
C829
3300 R825
33
R832 22K C825 22/25
C824 0.047(ML)
IC901
STK4074B
POWER AMP
Q823
KTD2058 Y
R831
3.3(1/2W)
C904 10/50
R912
100(1/4W)
C907
10/50
R916
1K
R917
56K
C916
15P
C915
47P
C917
47/50
R918
820
R921
22K
R922
820
R923
56K
C924
15P
R924
1K
C923
47P
D803
1N4004S
D806
1N4004S
D805
1N4004S
D804
1N4004S
Z
M
Q80
KTA127
1 2 3 4 5 6 7 8 9
10 11 12 13
14
15
Q905
2SC3331
R931
10K
R929
1K
C921
0.022
R938 56K
R939 56K
C920
0.022
R926
0.1 (1W)
R803
47K
C802 100/35 ZD801
MTZJ6.2A
C803 47/50
R802 47
2
C830 47/25
C821
0.047(ML)
R837 10K
C832
0.1(ML)
C831 47/25
2
C911
100/50
C912
100/50
R913
100 (1/4W)
Fusible
R966
22K
C905 220P
C902 220P
R903 100K
R901
100K
C903
1/50
C901
1/50
R904
68K
R902
68K
R905
1K
R907
1K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
2
3
CN
R801
12K
NC NC
A_GND
D_GND
M_12V
–15V
SP_RLY
A_GND
L
R
SP_DET
CD_GND
M_GND
A_12V
+5V
–VF
VF2
VF1
CD_+B
(2Ch)
+
+
–
–
–Vcc –Vcc +Vcc
Ch1
Ch2
Ch1 Ch2 Out Out
+B1
+B2
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
–B
–B
A
CNS806
P29 12 - E
TO DISPLAY PWB
MAIN PWB-A1(3/3)
FM SIGNAL
P24 2 - D, P25 12 - G
TO MAIN SECTION
4
3
2
1
D801
TS6B04
Fusible
VOLTA
REGULA
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR