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 R220
RA34
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
2.2/50
R503
15K
C511
100P
C535–C536:
2.2/50
C535
C507
C505
C503
C501
C502
C504
C506
C508
C536
C546
1/50
C512
100P
R506
3.3K
C510
10/50
78 79 80
VIDEO IN
TO AMP SECTION
P26 3-H
7
RESET
Q201
KRC102 M
+B
4.0V
2
R237
1
1K 0V
C204 D205
0.01 1SS133
8
8
+B
+12V(A)
–15V
C545
1/50
C557
2.2/50
48 47 46 45 44 43 42 41
49
LSELO
(5.0V)
50 LINVIN1
(5.0V)
51
L5 (5.0V)
52 L4 (5.0V)
53 L3 (5.0V)
54 L2 (5.0V)
IC501
55 L1 (5.0V)
LC75396N
56 VDD (10.1V)
AUDIO PROCESSOR
57 R1 (5.0V)
58 R2 (5.0V)
59 R3 (5.0V)
60 R4 (5.0V)
61 R5 (5.0V)
RINVIN1 (5.0V)
62
63 RSERO
(5.0V)
64 RTIN
(5.0V)
1 2 3 4 5 6 7 8
R504
15K
C578
C579
0.022
100/16
PLAYBACK SIGNAL
RECORD SIGNAL
FM SIGNAL
8
Figure 23 SCHEMATIC DIAGRAM (2/15)
D203
1SS133
+B
R233
R235
10K
1K
0V
4.0V R232
3 4.0V
R234
C203
100
10K
3.3/50
0V
0.4V
0V
0V
Q203
R231
KTC3199 GR
R239
1K
82 P.FAIL DET
+B
+4V
+B
–B
1
FW201
1
+B
–B
R521 1K
R522 1K
R518 1K
R517 1K
C533
0.0047 (ML)
C539
10/50
40 39 37 34 33
38 36 35
C542
10/50
32
(5.0V) LFCOM
31
(5.0V) LFOUT
C581
30
(5.0V) LRIN
10/50
29
(5.0V) LRCOM
C552
28
(5.0V) LROUT
10/50
27
(5.0V) LVref
26
(0V) VSS
R509 1K
25
(0V) CE
R510 1K
24
(0V) DI
R511 1K
23
(4.0V) CL
22
(0V)Vref
C543
21
(5.0V) RVref
47/16
20
(5.0V) RROUT
(5.0V) RRCOM 19
18
RRIN
(5.0V)
17
RFOUT
(5.0V)
C582
10/50
12 13 14 16
9 10 11 15
C541
C540
10/50
10/50
+B
D502 D501
R502
1SS133 1SS133
470K
9 10
– 23 –
CD-C1W,CP-C1W
CD GND(D2)
CD GND(D1)
GND(D)
+7.3V(CD) +B
+B
+12V(M)
+4.6V(D) +B
+B
–B
RESET
POINT
R230 R229
C201
150 150
470/10
+B
C547 4.7/50
C548 4.7/50
+B
C550
1/50
C555
47/16
C556
47/16
C551
10/50
C549
1/50
+B
MAIN PWB-B(1/4)
67 68 69 70 71 72
VOLUME
OUT
TO POWER SECTION
P26 5-H
11
CD GND(D2)
32
CD GND(D1)
33
GND(D)
34
+7.3V(CD)
35
+12V(M)
36
+4.6V(D)
37
+12V(A)
38
–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 –15V
55
OUT(L)
56
OUT(R)
57
IN(L)
58
IN(R)
59
GND(A)
60
+12V(A)
61
SRS PASS
62
SRS A
63
SRS B
64
SRS INH
65
PASS
66
12