Sharp CD-C1W Service Manual page 23

+4.6V(µ-CON) +B
GND(µ-CON)
+4.6V
+B
L201
2.2µH
RA49–RA31:1K
0V
3.8V
50
TA_T1/T2 RA49
49
REC_MUT RA48
48
REC-EQ RA47
47
TA_PB-EQ RA46
46
TA_R/P RA45
45
BEAT_CUT RA44
44
TA_BIAS RA43
43
HIGH_SP RA42
R217
42
10K
T1_PLAY RA41
41
T1_RUN RA40
40
T1_SOL RA39 R218
39
47K
T2_SOL RA38
38
MOTOR RA37
37
VOL SW RA36 R219
36
10K
T2_PLAY RA35
35
T2_RUN RA34 R220
34
47K
T1_CROM RA33
R221
33
10K
T2_CROM RA32
32
R222
T2_A-FP RA31
10K
31
4.0V
R215
10K
A30 +B
K
R216
10K
R258
10K
+B
C558
C545
2.2/50
1/50
R503
15K
C511
100P
49 LSELO
(5.0V)
C535–C536:
50 LINVIN1
2.2/50
(5.0V)
51 L5 (5.0V)
C535
52
L4 (5.0V)
C507
53 L3 (5.0V)
C505
54 L2 (5.0V)
C503
55 L1 (5.0V)
C501
56 VDD (10.1V)
57
R1 (5.0V)
C502
58 R2 (5.0V)
C504
59 R3 (5.0V)
C506
60 R4 (5.0V)
C508
61 R5 (5.0V)
C536
RINVIN1 (5.0V)
62
63 RSERO
(5.0V)
C546
64 RTIN
1/50
(5.0V)
C512
100P
R504
15K
R506
3.3K
C510
10/50
78 79 80
VIDEO IN
TO AMP SECTION
P26 3-H
7
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RESET
Q201
KRC102 M
+B
4.0V 0V
2 3
R237
C203
1K 1 0V
3.3/50
C204 D205
0.01 1SS133
8 1
FW201
8 1
+B
+12V(A)
–15V
R521 1K
R522 1K
R518 1K
R517 1K
C557
2.2/50
48 47 46 45 44 43 42 41 40 39 38 37
IC501
LC75396N
AUDIO PROCESSOR
11 12
1 2 3 4 5 6 7 8 9 10
D502 D501
1SS133 1SS133
C578
C579
0.022
100/16
PLAYBACK SIGNAL
RECORD SIGNAL
FM SIGNAL
8 9
Figure 23 SCHEMATIC DIAGRAM (2/15)
D203
1SS133
+B
R233
R235
RESET
10K
1K
POINT
4.0V R232
4.0V
R234
100
10K
0V
0.4V
0V
0V
Q203
R231
R230 R229
KTC3199 GR C201
R239
1K
150 150
470/10
82 P.FAIL DET
+B
+4V
+B
–B
+B
–B
C533
0.0047 (ML)
C539
10/50
36 35 34 33
C542
10/50
32
(5.0V) LFCOM
31
(5.0V) LFOUT
C581
30
(5.0V) LRIN
10/50
29
(5.0V) LRCOM
C552 C555
28
(5.0V) LROUT
10/50 47/16
27
(5.0V) LVref
26
(0V) VSS
R509 1K
25
(0V) CE
R510 1K
24
(0V) DI
R511 1K
23
(4.0V) CL
C556
22
(0V)Vref
47/16
C543
21
(5.0V) RVref
47/16
(5.0V) RROUT 20
C551
19
(5.0V) RRCOM 10/50
C549
18
RRIN
1/50
(5.0V)
17
RFOUT
(5.0V)
C582
10/50
13 14 15 16
C541
C540
10/50 10/50
+B
R502
470K
70 71 72
67 68 69
VOLUME
OUT
TO POWER SECTION
P26 5-H
10
– 23 –
CD-C1W,CP-C1W
CD GND(D2)
CD GND(D2)
32
CD GND(D1)
CD GND(D1)
33
GND(D)
GND(D)
34
+7.3V(CD)
+7.3V(CD) +B
35
+B +12V(M)
+12V(M)
36
+4.6V(D)
+4.6V(D) +B
37
+12V(A)
+B
38
–B –15V
39
GND(D3)
40
H/P SW
41
LINE-MUTE
42
S-MUTE
46
POWER
47
POSISTOR
48
SP DET
49
FUN CONT
50
SP PROT
51
SP RELAY
52
VOL SW
53
PROTECT
54
+B
–B –15V
55
OUT(L)
56
C547 4.7/50
OUT(R)
57
C548 4.7/50
IN(L)
58
IN(R)
59
GND(A)
60
+B +12V(A)
61
SRS PASS
62
SRS A
63
SRS B
64
SRS INH
65
PASS
66
C550
1/50
+B
MAIN PWB-B(1/4)
11 12