Sharp CD-E88 Service Manual page 13

C602
C653 C601
0.022
220/16
220P
OR
24
CLK
R603
1K
+B
23
VDD
C603
22/50
VREF
22
C610
1/50
ROUT
21
C608
R606
R604
0.12
3.9K
10K
RBASS
20
C606
0.1
RTRE
19
C612
0.0022
C614 1/50
RIN
18
RSEL0 C616 4.7/50
17
C618 1/50
R4
16
R3
C620 1/50
15
C622 1/50
R2
14
R1
13
C624
1/50
49
0
R136
R137
220K
220K
REC_R
R138 R139
10K 10K
0.7V
0.7V
Q107
0V
0V
Q108
KTC3199 GR
KTC3199 GR
MUTING
MUTING
C126
22/50
R158
220
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
+B
BIAS
Q110
R140
KRC104 M
47K
11.6V
0V
2 3
R141
4.7K
0V
Q109
1
KTA1266 GR
SWITCHING
0V
0V
0V
C138
0.0082
8
Figure 13 SCHEMATIC DIAGRAM (2/10)
+B
+B
+B
19 20 21 22 23 24 25 26
TO POWER SECTION
P16 1-F
9 10
– 13 –
MAIN PWB-A1(1/3)
CE
DO
CLK
DI
+B_PROTECT
D_GND
S_MUTE
T_T1/T2
REC/PLAY
T_BIAS
+B A+10V
+B M_+13V
+B SW_5V
SP_DET
SP_RLY
–20dB
CNP701B
27 28
11
CD-E88
R693
33K
L-CH
C691
R691
JK690
390P
6.8K
VIDEO/
AUX IN
R690 C690
6.8K 390P
R-CH
R692
33K
CHASSIS
CE
1
+B
A+10V
2
DGND
3
DI
4
CLK
5
TUN_R
6
AGND
7
TUN_L
8
DO
9
FFC701
16
16
15
14
13
12
11
10
CNP701A
9
TO
8
DISPLAY PWB
P18 1-F
7
6
5
4
3
2
1
1
12