Sharp CD-C449W Service Manual page 26

CD-C449W/K449W
10
GND(D)
9
GND(D)
8
+4.6V(D)
7
+12V(M)
6
A
COM1
5
RESET
4
DATA1
3
STB
2
CNSD01
SCK1
1
TO DISPLAY PWB
P30 1-D
CNP11
TO CD SERVO PWB
P23 11-C
B
CD R-CH 1
1
2
2
GND(Au)
3
CD L-CH 3
4 4
GND(CD)
5
5
+7.3V(CD)
6 6
+12V(M)
RWC 1
1
WRQ
2 2
COIN
3 3
SQOUT
4 4
CQCK
5 5
C
RES
6 6
DRF 7 7
D2GND
8 8
SLD+
9 9
SLD–
10 10
PUIN 11 11
OP/CL
12 12
DISC2NO
13 13
UP/DOWN
14 14
CNP12
TO CD SERVO PWB
P23 8-H
D
QG04
KTA1266 GR
3.8V
GND(D)
1 1
CL(µCON SIDE DI) 2
2
DO
3 3
CE(CE1)(µCON SIDE DO) 4 4
DI 5
5
E
+12V(A) 6 6
GND(A) 7
7
8 8
TUN MUTE
L-CH 9 9
R-CH 10 10
CNP303
11 11
TO TUNER PWB
P33 11-H
F
M +12V 1
M_GND 2
TA_FR SPEED
3
TA_MOT_SW 4
TA_SOL 5
T2_A_FP 6
TA_CAM_SW
7
T1_RUN 8
T2_RUN
9
T2_B_FP 10
T1_CRO2
11
T2_CRO2 12
TA_T1/T2 13
G
PB_MUT 14
TA_BIAS 15
HIGH_SP 16
TA_R/P 17
REC_MUT 18
TA_PB-EQ
19
GND(BIAS)
20
+12V(A)
21
GND(A)
22
REC L-CH
23
REC R-CH 24
PRE L-CH
25
PRE R-CH 26
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.
1
GND(CD2)
GND(CD1)
GND(D)
+7.3V(CD)
+12V(M)
+4.6V(D)
+B
+B
CG07
22/25
RG10
47K
RU95
RU96
2.2K
2.2K
0V 0V
0V
CD-C449W
0V
0V
RG24
RG08
+B
+B
RG57
RG58
RG59
4.1V
0V CG08
0.001
+12V(A) +B
GND(A)
RG01
220K
+B
2 3
Figure 24 SCHEMATIC DIAGRAM (3/15)
+B
+B
+B
CD-K449W
ONLY
DG06
RG23
1SS133
10K
RG05
10/100
10K
SWF02
SPAN
SELECTOR
RF80
9/50
1K
80 79 78 77 76 7 5 74 73 72 71 70 69 68 67 66 65
ONLY
RF81 1K MIC_DET
81
10K RF82 1K H/P SW
82
S/N
83
10K SRS_A/NA
84 PL1 (0V)
DOL_A/NA
85 PL2 (4.0V)
S.W_ANA
86
PL3 (4.0V)
87
P30
88 P31
VSS
89
VSS3
VDD
90
VDD3
10K
RF94 1K CD UP/DOWN SW
91 P32
10K RF95 1K
CD DISC No.SW
92 P33 (4.0V)
10K
RF96 1K CD OP/CL SW
93 P34
94 P35
95 P00
96
P01
RF97 1K
CD MUTE
97
P02 (8.8V)
98
99
100
1 2 3 4 5 6 7
+B +12V(A)
–15V
+B +B
CH28
0V
0.022
2
ICH11
NJM4558M
3
MOTOR
CH29
0V
0.022
DRIVER
+B
RH17
CH13
1.5K
330P
CH30
0.0056
+B
CH17
RH20
0.047
1.5K
+B
CH16
1/50
+B
CH20
RH25
0.015
1.5K
CH19
0.47/50
+B
RH30
CH23
1.5K
0.0047
CH22
0.1
+B
CH26
RH35
0.0012
1.5K
CH25
+B
0.027
4
– 24 –
+B
CD-K449W
ONLY
RG11
10K
64 63 62 61 60 59 58 57 56 55 54 53 52 51
PL5 (0V)
81
PL4 (0V)
82
83 PL0 (0V)
ICF01
IX0235AW
SYSTEM CONTROL
MICROCOMPUTER
98 P03 (4.0V)
99 P04
100 P05 (0V)
8
9 10 11 12 13 14 15 16 17 18 19
GND(A)
–B
RH11
22K
RH12
RH13
0V
12.5V
1K
820K
6 –
– 8
0V
(2/2)
(1/2) 1 7
CH10
+ 0V
+ 4
5
47P
-11.9V
0V
DH16
1SS133
RH14
DH11
16KHz
560K 1SS133
SPE-1
RH16
RH15
CH15
470K
33K
0.22/50
DH17
1SS133
RH21 DH12
63Hz
1SS133
560K
SPE-2
RH24
RH22
CH18
33K 470K
0.22/50
DH18
1SS133
RH26 DH13
250Hz
1SS133
560K
SPE-3
RH29
RH27
CH21
470K
33K
0.22/50
DH19
1SS133
RH31
DH14
1KHz
560K 1SS133
SPE-4
RH32
RH34
CH24
33K 470K
0.22/50
DH20
1SS133
RH36
DH15
4KHz
560K 1SS133
SPE-5
RH37
RH39
CH27
33K 470K
0.22/50
GND(A)
REC L-CH
REC R-CH
PRE L-CH
PRE R-CH
5
+4V(µ-C
GND(µ
CG61
0.022
RF61
22K
FRNT_RLY
50
FAN CONT
49
48
AMP
47
(4.0V) PC1
PB_MUT
46
(4.0V) PC0
TA_T1/T2
45
PB7
50 PC4 (4.0V)
REC_MUT
44
(3.8V) PB6
49 PC3
PB5 43
48 PC2
TA_R/P
42
(4.0V) PB4
BEAT_CU
41
(0V) PB3
TA_BIAS
(0V) PB2 40
FR SPEED(
(4.0V) PB1 39
HIGH_SP
38
PB0
TA MOTO
33 PA3 (4.0V) (4.0V) PA7 37
TAPE_SOL
32 PA2 (4.0V) (0V) PA6 36
CAM_SW
31 PA1 (4.0V) (4.0V) PA5 35
T2_CRO S
(4.0V) PA4 34
T1_CRO S
33
T2_B-FP S
32
T2_A-FP S
31
20 21 22 23 24 25 26 27 28 29 30
RF30
1K
RG16
47K
RG19
47K
RG26
10K
RG38
100K
RG25
10K
CH12
10/16
TUN L
TUN R
6