Sharp CD-XP700 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
0.082
RBASS
20
R606
C606
3.9K
RTRE 0.082
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
R644
C624
6.8K
1/50
R643
6.8K
+B
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
11.6V
+
56K
-
9 0V
8 10 11 12
C125
22/50
BIAS OSC
Q111
KTC3203 Y
0V
R143
47K
0V
R144
22K
C137
0.047
(ML)
7
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+B
+B
R642
10K
R641
10K
BIAS
Q110
KRC104 M
2 3
0V
R141
4.7K
1
+B
0V
16 20 15
8 9
Figure 23 SCHEMATIC DIAGRAM (2/10)
MAIN PWB-A1 (1/3)
+B
+B
+B
+B
8 9 17 6 12 14 4 5
P26 1 - D~H
TO POWER SECTION
10
– 23 –
CD-XP700/CD-XP7700
JK690
VIDEO/AUX
R693
33K
L-CH
C691
R691
390P
6.8K
VIDEO/AUX
IN
C690
R690
6.8K 390P
R-CH
R692
33K
CE
25
A+10V
8
DGND
17
DI
24
CLK
23
TUN_R
26
AGND
15
TUN_L
27
DO
22
19
19
CE
18
DO
17
CLK
16
DI
15
+B_PROTECT
14
LVL_DET
13
D_GND
12
S_MUTE
11
T_T1/T2
10
REC/PLAY
9
T_BIAS
8
M_+13V
7
A+10V
6
SW_5V
5
UNSW5.6V
4
SP_DET
3
SP_RLY
2
20dB
–
1
1
FFC701
11 12