System Control - Sharp CD-K477W Service Manual

TO CD UNIT
TUNER SD
TUNER MUTE
73 70 87 88 1 2 3 4 5
94 95 96 99
74
19
SPE1~5
23
T1_RUN
29
T2_RUN
30
T2_A-FP
31
T2_B-FP
32
T1_CrO2
33
T2_CrO2
IX0235AW
34
CAM_SW
35
SOLENOID

SYSTEM CONTROL

36
PE MOTOR
37
GH SPEED MICROCOMPUTER
38
_SPEED(M)
39
TA_BAIS
40
BEET CUT
41
TA R/P
42
TA_PB-EQ
43
REC_MUTE
44
TA_T1/T2
45
PB MUT
46
72 71 69 68 97 61 81 67 79 47
+B7
24 23 25
OUT IN
L
L
31
17
R R
L R
ICU01
E
LC75396N
DIO PROCESSOR
ICP71-1
NJM4565M
EQUALIZER
BUFFER AMP.
IN
5
1 47 12
IN OUT
8 44 9
5 41 6 48 63 30 18 20 28
2 3
38
L R
R L R
IN
R L
OUT 23 24 9 22
AMP
ICS01
DATA
IN
37
LV1035M
L
CLK
45
DOLBY 38
R 46
PRO LOGIC POWER
36
ENABLE
DECORDER
33 42 8 18
QP17
Q907
POWER
ON/STB
SWITCHING
+B7
11 13 14 91 92 93 98 100 64 66 83 84 54 85 86 80
ICF01
VDD
VSS
24 26 27 49 50 51 52 75 76 82
77 78
ICP11
NJM4565M
+B7
BUFFER AMP.
8 OUT
ICR15
L
5 7
3 1
NJM4558M
R
4
BUFFER AMP.
-B6
6 (1/2) 7 2
OUT
+B7
17 18 19 8
L1dB
ICP70
IN
8
LC7536 6 2
IN
ELECTRIC
1
7
VOLUME
5 3
4
L5dB
ICP71-2
VEE VDD VCC
OUT
10 13 21 NJM4565M
–B6
BUFFER AMP.
–B6
QR11
QR12
+B7
VOLTAGE
+B7
REGURATER
8
OUT
5
7 QP13
CENTER
SURROUND
1 QP16
3
4
ICP12
NJM4565D
LOW BOOST
–B6
AMP.
VOLTAGE
REGURATER
–12V
–B6 Q913
Q914
SWITCHING
VOLTAGE
REGULATOR
+4.6V
+B2 Q903
UN-SWITCHED
+12V(MOTOR)
+B6
VOLTAGE
REGULATOR
+12V(ANALOG)
+B7
+7.3V(CD)
+B9
TO CD UNIT
Figure 21 BLOCK DIAGRAM (3/3)
RXD01
REMOTE
SENSOR
+B3
2 9
STB
1
RES
SWF02
1 2
SPAN SELECTOR.
DAT1
9 5
COM1
9 6
COM
SCK
9 7
6
DAT
7 3
SCK
79
8
91
STB
9
DS RES
LEDD01~
10
LEDD21
XF01
16
4.19MHz
17
53
55
58
+B3
59
60
+B4 (4V BACK UP)
18
56
90
15
+B4
57
MEMORY
RESET
89 BACK UP
RESET IN
12 QG01
QG02
SYSTEM STOP
+B3
28 QG03
ZDF01
P.FAIL DET
SYSTEM SUB
POSISTOR
MUTE WOOFER
MUTE
QP11
QR13
QP12
QR21
IN
L 7
16
ICV01
12
R
+B7
STK407-270
–B
POWER AMP.
8
19 10
OUT
+B 3 4
(2/2) 1 18
5
IN
11
4 SUB
6
WOOFER
–B
–B6
AMP QV16 +B
QV17
1
CENTER POSISTOR
SURROUND
MUTE
5
IN
ICX01
CENTER
SURROUND STK407-040
14 7
6
10 POWER AMP.
15
–B
8
+B 2
1
3
9
AMP QX17
QX18
+B
–B
D990
VOLTAGE
REGULATOR
Q901
Q902
Q905
Q906
D992~D995
Q904
SWITCHING
VOLTAGE
REGULATOR
Q908
Q909
F999
T500mA L 250V
– 21 –
FLD01
FL DIPLAY
5 ~ 43 44 45
~ ~ ~ ~
45 47 71 73
33 50 52 75
14
13
ICD01
IX0234AW
28
SYSTEM
27
MICROCOMPUTER
21
VSS VDD VEE
26
KEY IN
, 4 15 89 18 46 72 90 51 17 16
88
~
~
94
XD01
4.19MHz
+B2
+B6
–VP
+4.6V
UNSWITCH
+B2
FAN SW
FAN CONT
H/P SW
PROT
FRONT
QV19
RELAY
QV22
QV13
QV14
QV18
QY11
RELAY
RLYV11
L
9
8
R
20
SUB
WOOFER
OUT
QV22
SUB
WOOFER
RELAY
RELAY
RLYY11
PROT
CENTER
QX15
SURROUND
(REAR)
RELAY
QX13
@ @ @ @
QX14
QX20
QX16
OUT
CENTER
SURROUND
RELAY
RLYX11
F995
T6.3A L 250V
D991
T991
POWER
F996
TRANSFORMER
T6.3A L 250V
F993
T3.15A L 250V
F994
T3.15A L 250V
F997
T2.5A L 250V
Q951
VOLTAGE
REGULATOR
T.F
VF1 VP VF2
(AC)
(AC)
CD-K477W
F1
1
VF2
F1
2
(AC)
F2
46
VF1
F2
47
(AC)
SWD01
JOG SW
SWD02 JOG SW
KEY MATRIX
SWD03,SWD04
SWD12~SWD17
SWD19,SWD20
SWD24,SWD25
SWD27~SWD43
SWD48~SWD54
M901
+B6 FAN
MOTOR
QV20
M
QV21
JV91
HEADPHONES
+ L-CH
– GND
–
GND
+
R-CH
SUB
+
WOOFER
–
GND
TMV01
SPEAKER
TERMINAL
+ CENTER
GND
–
SURROUND
+
L-CH
– GND
SURROUND
+
R-CH
–
GND
TMV11
SPEAKER
TERMINAL
230-240V
F991
220V
T2.5A L 250V
SW991
VOLTAGE
SELECTOR
127V
110V
F990
T5A L250V
AC POWER SUPPLY CORD
AC 110/127/220
/230-240V
50/60HZ