Sharp CD-XP500A Service Manual page 19

601
C601
C602
5341
220/16
0.022
ROCESSOR
24
CLK
VDD 23
C603
22/50
VREF
CE – +
22
C610
1/50
ROUT
21
C606 C608
RBASS
20
R606
RTRE 2.7K
19
C612
C614 1/50 0.0027
RIN
18
C616 4.7/50
RSEL0
17
R4 C618 1/50
UX
16
C620 1/50
CK
15
R3
C622
R2
NER
14
1/50
R1
CD
13
C624
1/50
R149
150
REC_R
R138
R139
10K 10K
0.7V
0.7V
Q107
0V
0V
KTC3199 GR
MUTING
R128 C126
6.8K 22/50
+B
18 17 16 15 14 13
56K
–
+
Hich=CHROME
+
–
56K
7 8 9 10 11 12
C125
22/50
C131
47/25
7
R603
1K
R604
10K
C606,C608:
0.22 [CD-XP500A]
0.15 [CD-XP500W]
R642
C630
10K
0.001
R644
12K
R643
R641
12K
10K
+B
R158
220
+B
R140
BIAS
47K
Q110
KRC104 M
R141
4.7K
2
0V
3
11.6V
0V
0V 1
BIAS OSC
Q111
KTC3203 Y
R143
0V
47K
0V
R144 0V
22K
C138
0.0082
(PP)
8
Figure 19 SCHEMATIC DIAGRAM (2/11)
P28 6 - C
TO MIC PWB
CNPK1
CNSK1 1 2 3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9 10 11
BIK1
+B
+B
+B
+B
+B
15 19 14 8 9 16 6 12
P22 1 - D~G
TO POWER SECTION
9 10
– 19 –
CD-XP500A/CD-XP500W
MAIN PWB-A1(1/3)
R693
33K
R691 C691
10K 390P
R692
C690
R690
33K
390P
10K
CHASSIS
CE
A+10V
DGND
DI
CLK
TUN_R
AGND
TUN_L
DO
SPAN
MIC IN
KARAOKE LATCH
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
SP_DET
SP_RLY
–20dB
4 5
11
JK690
VIDEO/AUX
L-CH
VIDEO/AUX
IN
R-CH
23
8
16
21
26
25
14
24
22
SW601
SPAN
SELECTOR
50 kHz/9 kHz
100 kHz/10 kHz
FFC701
21
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
12