Sharp CD-C449W Service Manual page 23

TUNER MUTE
TUNER SD
70
58 23
T1 RUN
29
T2 RUN
30
T2 A FP
31
T2 B FP
32
T1 CrO
2
33
T2 CrO
2
34
CAM-SW
35
TAPE SOL
36
TA MOT
37
HIGH SP
38
FR SP
39
BIAS
B6
40
BEAT–CUT
41
TA R/P
SYSTEM CONTROL
42
REC MUT MICROCOMPUTER
44
T1/T2
45
PB MUTE
46
TA–PB–EQ
43
72 71 69 68 87
34 24 23 25
ICU01
LC75396N
UDIO PROCESSOR
GRAPHIC EQUALIZER VOLUME
Vss
45 10 46 11 47 12 12
RVref 42 7 43 8 9 OUT VDD
44
21 39 4 40 5 41 6 63 55
48
37 2 38 3 L R
L R L R
+B7
Q631
+B7
VOLTAGE
REGULATOR
19 18
CD-K449W
VCC GND
26
IN
ONLY
27
IC601
IN
M65845FP
33
AUD SW
MIC AMP.
34
SW
L
29
MIC2
MIC1 ECHO OUT
28
VOL IN R
VOL IN VOL IN
10 25
02 VR601 VR603
C2 MIC2 DIGITAL ECHO
ME VOLUME VOLUME
ICS01 R
28
SRS5250AS 27
L
SRS
PASS/SRS STEREO/SRS MONO
26
SWITCHING
11 25
10 24
SRS PASS/3D
QS14
SRS A/SRS B
QS17
QS16
QS18
SWITCHING
SRS IN H
SWITCHING
LEDD01~LEDD21
~ 8 6 7 9
19
ICF01
IX0235AW
61 81 64 63 65 62 82 24 45 27 75 79 47 49 50
ICP11
NJM4565M
BUFFER AMP.
+B7
OUT IN
OUT
8
L L
31 5
L
7 QP11
17 R R 3
1
QP12
R
4
26
–B6
VOLTAGE
REGULATER
–15V
–B6
+4.6V
+B2
UN-SWITCHED
+12V(MOTOR)
+B6
VOLTAGE
REGULATOR
+12V(ANALOG)
+B7
+7.3V(CD)
+B9
TO CD UNIT
Figure 21 BLOCK DIAGRAM (3/3)
LEDD23~LEDD28 +B6
RXD01
REMOTE
CONTROL
SENSOR
33 ~
1
29
DATA1
95
COM1
96
SCK1
97
STB
1
10 7 8 9
RES
99
CQCK
5
COIN
3
SQ OUT
4
WRQ
11
RWC
100
CD SL+
2
CD SL-
1
CD-PUIN
14
CD-DRF
13
+B3
18
+B4 (5V BACK UP)
VDD 56
90
+B4
15
VSS
57 RESET
89
RESET IN
QG01 MEMORY
12
OSC
16
XF0201
4.19MHz
17
QG02
SYSTEM STOP
27
QG03
ZDF01
CD O/C
93
CD U/D P.FAIL DET
91
CD DNO
92
POWER ON/STB
SWITCHING
Q907
5
L-IN
14
ICV01
10
R-IN
STK40709
POWER AMP.
15
QV16
VH+
QV17
VH-
3 9
1 2
Q914
VOLTAGE
REGULATER
Q903
VOLTAGE
REGULATOR
Q902
Q901
Q906
Q905
D991
Q904
SWITCHING
VOLTAGE
REGULATOR
F999
T5mA L 250V
Q908
Q908
– 21 –
CD-C449W/K449W
FD01 FL DISPLAY
5 ~
43
45 47 ~ 50 51 ~ 71 73 ~ 75
ICD01
IX0243AW
FL DRIVER &
CONTROLLER
21
26
VSS VDD
14
15 89 18 46 72 90 27
+B2 SWD01 SWD02
JOG DIAL
JOG DIAL
TO CD UNIT
+5V
UNSWITCH
+B2
+B3
FAN
H/P SW
FAN CONT
RELAY
PROTECTION
PROT
PROTECTION
QV13
QV18 QV19
QV14
L-OUT
7
6
R-OUT
F997
T2A L 250V
D992~D995
Q951
VOLTAGE
REGULATOR
VF1 VP VF2
(AC) (AC)
1
F2
2 VF1 (AC)
3
62
VF2 (AC)
F1 63
64
KEY MATRIX
SWD01~SWD03
SWD07~SWD18
SWD21~SWD22
SWD30~SWD43
KEY IN
SWD48
SWD50~SWD54
SWD49(CD-K449W ONLY)
+B6
FAN
FAN MOTOR MOTOR
CONTROL
QV20
M
QN21
RELAY DRIVER
QV22
J901
HEADPHONES
RLYV11
RELAY
+ L-CH
TMV01
– GND
SPEAKER
TERMINALS
–
GND
+ R-CH
T991
POWER
TRANSFORMER
230~240V
SW991
VOLTAGE
220V
SELECTOR
127V
110V
F990
T3.15A L 250V
AC POWER
SUPPLY CORD
AC 110/127/220
T.F
230–240V
50/60HZ