Sharp CD-XP300 - Compact Stereo System Service Manual page 23

C602
C601
0.022
220/16
SOR
R603
1K
CLK
24
VDD
23
C603
22/50
VREF
22
C610 R604
1/50
10K
ROUT
21
C608
0.12
RBASS
20
R606
C606
3.9K
0.12
RTRE
19
C612
RIN 0.0022
18
C614
1/50
RSEL0
17
C616
4.7/50
R4
16
C618
R3
1/50
15
C620
1/50
R2
14
C622
1/50
R1
13
C624
1/50
R137
R136
220K
220K
REC_R
R138
R139
10K 10K
0.7V
0.7V
Q107
0V
KTC3199 GR
Q108
MUTING
KTC3199 GR
MUTING
R158
C126
220
22/50
17 16 15 14 13
-
56K
+
h=CHROME
+
56K
-
0V
8 9 10 11 12
C125
22/50
R143
47K
R144
22K
C137
0.047
(ML)
7
R642
10K
R644
6.8K
R643
6.8K
R641
10K
+B
BIAS
Q110
KRC104 M
2 3
11.6V
0V
R141
4.7K
1
BIAS OSC
Q111
KTC3203 Y
0V
0V
0V
8
Figure 23 SCHEMATIC DIAGRAM (2/10)
+B
+B
+B
+B
+B
+B
+B
16 20 15 8 9 17 6 12 14
P26 1 - D~H
TO POWER SECTION
9 10
– 23 –
CD-XP300/CD-XP3300
MAIN PWB-A1 (1/3)
R693
33K
C691
R691
390P
6.8K
R690 C690
6.8K 390P
R692
33K
CE
A+10V
DGND
DI
CLK
TUN_R
AGND
TUN_L
DO
CE
DO
CLK
DI
+B_PROTECT
LVL_DET
D_GND
S_MUTE
T_T1/T2
REC/PLAY
T_BIAS
M_+13V
A+10V
SW_5V
UNSW5.6V
SP_DET
SP_RLY
20dB
–
4 5
11
JK690
VIDEO/AUX
L-CH
VIDEO/AUX
IN
R-CH
25
8
17
24
23
26
15
27
22
19
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
FFC701
12