Sharp CD-BP1450V Service Manual page 21

C604
CLK
24
100/16
+B
23
VDD
C605
C606 22/50
0.022
VREF
22
C608 10/50
ROUT
21
C610 0.1(ML)
R616
3.9K
RBASS
20
C612 0.1(ML)
RTRE
19
C614 0.0027
RIN
18
C618 1/50
RSEL0
17
C630 1/50
R4
16
C624 1/50
R3
15
R618
C626 1/50
3.3K
R2
14
C628 1/50
R1
13
C634
0.0033
+B
R142
220K
MUTING
Q110
KTC3199 GR
R140 R141
0V
10K
10K
0.7V
0.7V
0V Q111
KTC3199 GR
MUTING
C128
22/25
18 17 16 15 14
-
56K
+
IC101
Hich=CHROME
AN7345K
+
56K
-
7 8 9 10 11
C129
C139
22/25
3.3/50
C135
47/25
R135
10K
7
+B
+B
+B
R143
220K
0V
0V
+B
C138
220/10
IC101: PLAYBACK AND
RECORD/PLAYBACK AMP.
R139
220
(1/4W)
+B
+B
13
11.7V
11.6V
Q112
KTA1266 GR
0V
SWITCHING
12
11.6V
R146
82
(1/2W)
R147
47K
Q114
R148
KTC3203 Y
22K
BIAS OSC.
C140
C148
0.0082(PP)
0.047
C141
0.039
(ML)
8
Figure 21 SCHEMATIC DIAGRAM (8/11)
+B
R144
47K
R145
4.7K
1
0V
3
2
0V
+B
Q113
+B
KRC104 M
BIAS
0V
0V
0V
R149
4.7
C142
47/25
L104
330µH
34 35
9 10
– 21 –
MAIN PWB-A1(1/3)
(D_GND)
GND
(A_GND) GND
A_10V
CE
DI
CLK
TUN_R
TUN_L
DO
DO
DI
CLK
T_BIAS
T_T1/T2
REC/PLAY
M_GND
+B
M_10V
SMUTE
VF1
-VP
VF2
UN_SW5V
+B
D_GND
SW_5V
+B
POWER
SPN
SWOUT
SW601
SPAN
SELECTOR
50/9kHz
100/10kHz
36 37 38 39 40 41 42 43
TO POWER SECTION
P22 1-G
11
CD-BP1450V
25
26
27
28
29
30
31
32
33
FFC21
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21
CNP701
12