Schematic Diagram - Sharp CD-PC1881V Service Manual

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