Schematic Diagram - Sharp CD-PC1881V Service Manual

CD-PC1881V
TO TUNER PWB
P21 12-A
CNP303
CNS303
A
9 8 7
B
FFC701 CNP502
1
1
2
POWER
3
SR_MUTE
C MUTE 4
S_MUTE 5
T1/T2
6
TAPE BIAS
7
REC/PLAY 8
H/PSW 9
TUN SM 10
D_GND
11
C
D_GND
12
SPEANA3 13
SPEANA2
14
SPEANA1 15
M_+12V
16
CLK 17
R522 1K
CE
18
R521 1K
DI
19
DO
20
Q11
21
ENA
22
A_GND
23
SUB_VOL_IN 24
SUB_VOL_OUT 25
25
D
CNP701
TO DISPLAY PWB
P22 1-E
E
F
G
MAIN PWB-A1(1/2)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 38.
1
TO DECK SECTION
P20 2-A
6 5 4 3 2 1 11 12 13 14 15 16 17 18 19 20 21
+B
+B
C545
220P
2
Figure 18 SCHEMATIC DIAGRAM (1/12)
+B
R516 1K
R523 1K
R517 1K
R501
100K
R502 100K
C501
0.1
(ML)
48 47 46 45 44 43 42
49
C510 0.47/50
DC_OUT3
50
C512 4.7/50
R_RECT
51
C511 0.47/50
49 L_BPF3
DC_OUT4
52
C513 4.7/50
L_RECT
53
C516 0.15/50
VLR_TH
54
C518 3.3/50
VLR_1
55
LV1035M
C520 0.15/50
VLR_2
56
C522 0.15/50
DOLBY PRO LOGIC
57 VCS_2
C525 3.3/50
VCS_1 DECORDER
58
C526 0.15/50
VCS_TH
59
C528 4.7/50 R_BPF3
64
L+R_RECT
60
C529 0.47/50
DC_OUT2
61
C530 4.7/50
L-R_RECT
62
C533 0.47/50
DC_OUT1
63
64
1 2 3 4 5 6 7 8 9
C543
0.1(ML)
+B
R513
3.3K
R514
330
3 4
– 18 –
R371
1K
R518 1K
R519 1K
C549 100P
C551 100P
R520 22K
C550 100P
X501
8MHz
41 40 39 38 37 36 35 34 33
R504
R503
1K 1M
OSC 32
C541
31
OSC
220/16
30
VDD
C514 0.082(ML)
29
A/D
C515 0.0033(ML)
28
NS
C517 0.082(ML)
D/A 27
IC501
C519 0.47/50
26
DC_OUT
C521 0.33/50
25
DC_OUT
C523 10/50
24
L_OUT
C524 10/50
23
R_OUT
C527 10/50
S_OUT 22
D_GND
21
R508 39K
IREF
20
C531 2.2/50
DET 19
VCC 18
NC 17
10 11 12 13 14 15 16
R510
18K
C542
220/16
R511
C546 1K
0.022
R515
3.3K
5
TO CD VIDEO PWB
P27 12-C
CNP11
1 2 3 4 5 6
CNS11
BI401
1 2 3 4 5 6
+B
C4
0.22
C
C547
0.18(
0.022
C4
0.068(M
C
0.2
C
0.027(M
0
R505 4.7K
C
R506 4.7K
0.0
R507 1K
0.004
R509 4.7K
R512 4.7K
C4
1/
C532 220/16
C563 0.022
+B
+B
+B
D40
DS1SS
0V
0V
3 2
4V
1 Q405
KRC104
6