Sharp CD-PC1881V Service Manual page 28

CD-PC1881V
A
C2PO
10
LRCK
13
BCLK
12
DATAD
11
+7V
4
GND(D)
9
+12V(A)
B
5
GND(A)
19
+12V(A)
C
GND(A)
GND(D)
AUDSW
SDATA
SCK
STROBE
KEYCON
D
CNPV2
MDI
1
MDO
P22 1 - B
2
CNSV2 MDCK
3
MBUSY
FROM
4
DISPLAY
PWB
E
+5V
18
LD_M-
15
LD_M+
14
SOL
17
MO_SPEED
16
F
RESET
20
SBUSY
22
AUCLK
21
G
AUBCK
8
AULRCK
6
AUDO
7
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 38.
1
VOLTAGE REGULATOR
QV1
UPC29M33 T
CV3
+B
0.22
QV2
KTA1298 Y
+B
RV1
10K
DV4
RV2
KDS193
4.7K
RV16 1.2K
RV17 1.2K
RV18 1K
RV19 1K
RV86
4.7K
RV12
RV13
RV14
RV93
RV15
RV94
CV2
0.022
2 3
Figure 28 SCHEMATIC DIAGRAM (11/12)
+B
CV1
47/6.3
+B
QV3
2
KRC104 S
3
1
RV11
1K
1 1 5 4 1 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 6
1 7
1K
1 MDI
8
1K
1 9 MDO
1K
MCK
2
0
10K
2 1
1K
1 VOCAL CANCEL
2 2
MBUSY
10K
2 3
VDD1
2 4
ICV1
AVSS
2 5
MPEG CONTROLLER
2 6
2 7
IX0313AW
2 8
2 9
3 0
3 1
3 2
3 3 3 4 3 5 3 6 7 3 3 8 3 9 40 4 1 4 2 4 3 44
XV1
4.19MHz
RV59
3.9K
4
– 28 –
DV5
KDS193
RV84
4.7K
RV36 270
6 4
HD7
RV35 270
6 3
HD6
RV34 270
HD5 6 2
RV33 270
HD4 6 1
RV32 270
HD3 6 0
RV31 270
HD2
59
RV30 270
HD1 5 8
RV29 270
HD0 5 7
RV28 270
HA 5 6
RV27 270
HDAK 5 5
RV26 270
5 4
HWR
RV25 270
5 3
HRD
RV24 270
5 2
HCS
MPEG RESET 5 1
RV23
5 0
270
4 9
4 5 4 6 4 7 4 8
5
QV4
KTA1298 Y
RV85
10K
CV
47
6