Sharp CD-BP90W Service Manual page 21

CLK
24
C619
220P
VDD 23
+ –
C606
22/50 C608
VREF
+ 22
– 10/50
E
ROUT
21
C612
– C610
0.1(ML)
0.1(ML)
20
RBASS
C614
0.0027(ML)
–
19
RTRE
C618
1/50
18
RIN
C630
RSELO 1/50
17
– R4
AUX
16
C624
1/50
DECK
15
R3
C626
1/50
TUN
14
R2
C628
1/50
CD
13
R1
C421
1/50
KCD-R
R432
41
22K
50
D
108
R142
0/16
220K
MUTING
R150
MUTING
1K
R140
R141
10K 10K
D101 D102
1N4148 1N4148
R122
5.6K
C122
1/50
18
33
C120
L)
560P
8 R120
0K 3.9K
21 20 19 18 17 16 15 14 13
RIPPLE VCC
IC101
AN7345K
ALC GND
10 11 12
4 5 6 7 8 9
C121
560P
C123
1/50
R123
5.6K
25
K
C147
R129
0.001
3.9K
7
+B
R616
3.9K
A_10V
+B
R618
3.3K
A_10V
+B
R143
220K
R151
D103
1K
1N4148
C138
220/10
+B A_10V
R139
Q112
C109
180
KTA1266 GR
0.001
SWITCHING
+B
L103
100µH
R146
82
R147
47K
BIAS OSC
KTC3203 Y
R148
22K
C148
C140
0.047
0.0082(P.P.)
C141
0.039(ML)
8
Figure 21 SCHEMATIC DIAGRAM (2/12)
C603
R625
22/50
22K
C110
10/50
+B
R144
47K
R145
4.7K
1
BIAS
2 3
Q113
KRC104 M
Q114
R149
4.7
C142
47/50
L104
330µH
1
9 10
– 21 –
CD-BK100W/CD-BP90W
MAIN PWB-A (1/3)
MIC PWB-C
(CD-BK100W ONLY)
GND(D_GND)
GND
+B
+B
+B
+B
2 3 4 5 6 7 9 11 12
P24 1 - G,H (CD-BK100W)
P26 1 - G,H (CD-BP90W)
TO POWER SECTION
11
A_10V
20
CE
21
DI
22
CLK
23
TUN_R
24
TUN_L
25
DO
26
27
GND(A_GND)
28
CNP701 1
1
CE
2
DO
3
DI
4
CLK
5
T_BIAS
6
T_T1/T2
7
REC/PLAY
8
M_GND
9
M_10V
10
SMUTE
11
VF1
12
–VP
13
VF2
14
15
UN_SW 5V
16
D_GND
17
SW 5V
18
POWER
19
SPAN
20
21
21
FFC701
SW601
SPAN
SELECTOR
12