Sharp CD-PC1881V Service Manual page 28

CD-PC1881V
A
C2PO
10
LRCK
13
BCLK
12
DATAD
11
+7V
+B
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
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VOLTAGE REGULATOR
QV1
UPC29M33 T
CV3
0.22
QV2
KTA1298 Y
+B
RV1
10K
DV4
RV2
KDS193
2
4.7K
1
RV16 1.2K
RV17 1.2K
RV18 1K
RV19 1K
RV11
1K
RV86
4.7K
1 7
RV12 1K
1 8
RV13 1K
1 9
RV14 1K
2 0
RV93 10K
2 1
RV15 1K
2 2
RV94 10K
2 3
2 4
CV2
2 5
0.022
2 6
2 7
2 8
2 9
3 0
3 1
3 2
2 3
Figure 28 SCHEMATIC DIAGRAM (11/12)
– 28 –
+B
CV1
47/6.3
+B
QV3
KRC104 S
3
6 1 1 5 4 1 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1
6 4
HD7
MDI 6 3
HD6
MDO HD5 6 2
MCK
HD4 6
HD3 6 0
1
VOCAL CANCEL
HD2
59
MBUSY
HD1 5 8
VDD1
HD0 5 7
ICV1
AVSS
HA 5
MPEG CONTROLLER
HDAK 5 5
5 4
HWR
IX0313AW
5 3
HRD
5 2
HCS
MPEG RESET 5 1
5
4 9
3 3 3 4 3 5 3 6 7 3 3 8 3 9 40 4 1 4 2 4 3 44 4 5 4 6 4 7 4 8
XV1
4.19MHz
RV59
3.9K
4
QV4
DV5
KTA1298 Y
KDS193
RV84
4.7K
RV85
10K
RV36 270
RV35 270
RV34 270
RV33 270
1
RV32 270
RV31 270
RV30 270
RV29 270
RV28 270
6
RV27 270
RV26 270
RV25 270
RV24 270
RV23
0
270
5 6
CV
47